阅读说明：本技术 一种防尘效果好的永磁直流无刷电机 (Permanent magnet brushless DC motor with good dustproof effect ) 是由 王岭森 张虎涛 于 2020-06-08 设计创作，主要内容包括：本发明涉及无刷电机技术领域,且公开了一种防尘效果好的永磁直流无刷电机,包括固定底板,所述固定底板的顶部螺纹连接有固定螺丝,所述固定底板的顶部固定连接有机座,所述机座的顶部固定连接有无刷机组。该防尘效果好的永磁直流无刷电机,通过第一防尘网和第二防尘网会吸附并阻挡气体中的灰尘,如果第一防尘网和第二防尘网上附着的灰尘较少,水箱内的清洗液少许导入,在风力的作用下对第一防尘网和第二防尘网进行清理,在第一防尘网和第二防尘网上附着的灰尘过多时,旋转外帽拆卸下第二防尘网,拧松螺栓使翻板和外壳分离,露出第一防尘网,不仅可以有效的防止灰尘进入无刷机组的内部,同时也防止灰尘对风口进行堵塞。(The invention relates to the technical field of brushless motors and discloses a permanent magnet brushless direct current motor with a good dustproof effect. This effectual permanent magnetism direct current brushless motor prevents dust, can adsorb and block the dust in the gas through first dust screen and second dust screen, if adnexed dust is less on first dust screen and the second dust screen, the washing liquid in the water tank is leading-in a little, clear up first dust screen and second dust screen under the effect of wind, when adnexed dust is too much on first dust screen and second dust screen, the second dust screen is dismantled to rotatory outer cap, it makes and turns over board and shell separation to unscrew the bolt, expose first dust screen, not only can effectually prevent that the dust from getting into brushless unit's inside, also prevent simultaneously that the dust from blockking up the wind gap.)

1. The utility model provides a dustproof effectual permanent magnetism DC brushless motor, includes PMKD (1), its characterized in that: the top of the fixed base plate (1) is in threaded connection with a fixed screw (2), the top of the fixed base plate (1) is fixedly connected with a base (3), the top of the base (3) is fixedly connected with a brushless unit (4), the top of the brushless unit (4) is fixedly provided with a controller (5), the right side of the brushless unit (4) is fixedly connected with a mounting disc (6), the inside of the mounting disc (6) is spliced with a positioning screw (7), the outside of the positioning screw (7) is in threaded connection with a fixed nut (8) positioned on the left side of the mounting disc (6), the right end of the positioning screw (7) is fixedly connected with a shell (9) positioned on the right side of the mounting disc (6), the top of the shell (9) is fixedly connected with a support frame (10), the inside of the support frame (10) is fixedly connected with a positioning rod (11), and the outside of the positioning rod (, the outer side of the movable frame (12) is fixedly connected with a turning plate (13), the bottoms of the turning plate (13) and the shell (9) are fixedly connected with a fixing plate (14), the inner part of the fixing plate (14) is fixedly connected with a bolt (15), the back of the turning plate (13) is fixedly connected with a lantern ring (16), the inner side of the lantern ring (16) is fixedly provided with a first dustproof net (17), the inner cavity rear side wall of the shell (9) is fixedly connected with a baffle (18), the right side of the shell (9) is fixedly connected with a positioning plate (19), the outer part of the positioning plate (19) is in threaded connection with an outer cap (20), the inner side of the outer cap (20) is fixedly provided with a second dustproof net (21), the top of the shell (9) is fixedly connected with a fixing frame (22), the top of the fixing frame (22) is fixedly connected with a water tank (23), the bottom of the water tank (23, and a control valve (25) is fixedly arranged outside the conduit (24).

2. The permanent magnet brushless dc motor according to claim 1, wherein: the number of the fixing screws (2) is four, and the four fixing screws (2) are distributed on the top of the fixing bottom plate (1) at equal intervals.

3. The permanent magnet brushless dc motor according to claim 1, wherein: brushless unit (4), frame (3), PMKD (1) and mounting disc (6) are a whole, mounting disc (6) are cyclic annular, and a plurality of locating holes have been seted up to the inside equidistance of mounting disc (6).

4. The permanent magnet brushless dc motor according to claim 1, wherein: one section that shell (9) were kept away from in positioning screw (7) runs through mounting disc (6) and extends to the left side of mounting disc (6), circular through-hole has all been seted up to the inside of support frame (10) and adjustable shelf (12).

5. The permanent magnet brushless dc motor according to claim 1, wherein: the shell (9), the supporting frame (10), the baffle (18) and the positioning plate (19) are integrated, the shell (9) is annular, and the front surface of the shell (9) is provided with an opening.

6. The permanent magnet brushless dc motor according to claim 1, wherein: the lantern ring (16) is annular, the diameter of the lantern ring (16) is smaller than that of the shell (9), the baffle (18) is arc-shaped, and the front face of the baffle (18) is provided with an arc-shaped limiting groove.

7. The permanent magnet brushless dc motor according to claim 1, wherein: the number of the positioning plates (19) is two, a gap exists between the two positioning plates (19), and thread grooves are formed in the outer sides of the two positioning plates (19) at equal intervals.

8. The permanent magnet brushless dc motor according to claim 1, wherein: the outer cap (20) is communicated with the shell (9), and the fixing frame (22) is n-shaped.

9. The permanent magnet brushless dc motor according to claim 1, wherein: one end, far away from the water tank (23), of the guide pipe (24) penetrates through the top of the shell (9) and extends into the shell (9), and a liquid level sensor is fixedly mounted in the water tank (23).

Technical Field

The invention relates to the technical field of brushless motors, in particular to a permanent magnet direct current brushless motor with a good dustproof effect.

Background

The brushless DC motor is a typical electromechanical integration product, because the brushless DC motor runs in an automatic control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under heavy load under variable frequency speed regulation, oscillation and step-out can not be generated when load suddenly changes, and the permanent magnet of the brushless DC motor with medium and small capacity is mostly made of rare earth neodymium iron boron (Nd-Fe-B) material with high magnetic energy level at present, so that the volume of the rare earth permanent magnet brushless motor is reduced by one base number compared with a three-phase asynchronous motor with the same capacity.

The brushless direct current motor has the advantages in the field of speed regulation by the characteristics of wide speed regulation, small volume, high efficiency, small error of steady-state rotating speed and the like, the brushless direct current motor is generally provided with a heat dissipation mechanism to prevent overload caused by overhigh temperature, but the existing heat dissipation mechanism can cause dust to enter the brushless motor in the process of cooling the brushless motor, so that the permanent magnet direct current brushless motor with good dustproof effect is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the permanent magnet brushless direct current motor with good dustproof effect, which has the advantages of preventing dust from entering the interior of the brushless direct current motor in the heat dissipation process and the like, and solves the problem that the dust can enter the interior of the brushless direct current motor in the process of cooling the brushless direct current motor by the conventional heat dissipation mechanism.

(II) technical scheme

In order to achieve the purpose of preventing dust from entering the brushless motor in the heat dissipation process, the invention provides the following technical scheme: a permanent magnet brushless DC motor with good dustproof effect comprises a fixed bottom plate, wherein the top of the fixed bottom plate is in threaded connection with a fixed screw, the top of the fixed bottom plate is fixedly connected with a machine base, the top of the machine base is fixedly connected with a brushless unit, the top of the brushless unit is fixedly provided with a controller, the right side of the brushless unit is fixedly connected with a mounting disc, the inside of the mounting disc is inserted with a positioning screw rod, the outer thread of the positioning screw rod is connected with a fixed nut positioned on the left side of the mounting disc, the right end of the positioning screw rod is fixedly connected with a shell positioned on the right side of the mounting disc, the top of the shell is fixedly connected with a support frame, the inside of the support frame is fixedly connected with a positioning rod, the outside of the positioning rod is movably connected with a movable frame, the outer side, the utility model discloses a dustproof device for water treatment, including the fixed plate, the inside fixedly connected with bolt of fixed plate, the back fixedly connected with lantern ring that turns over the board, the inboard fixed mounting of the lantern ring has first dust screen, lateral wall fixedly connected with baffle behind the inner chamber of shell, the right side fixedly connected with locating plate of shell, the outside threaded connection of locating plate has outer cap, the inboard fixed mounting of outer cap has the second dust screen, the top fixedly connected with mount of shell, the top fixedly connected with water tank of mount, the bottom fixedly connected with of water tank is located the inboard pipe of mount, the outside fixed mounting of pipe has the control valve.

Preferably, the number of the fixing screws is four, and the four fixing screws are equidistantly distributed on the top of the fixing base plate.

Preferably, the brushless unit, the base, the fixed bottom plate and the mounting disc are integrated, the mounting disc is annular, and a plurality of positioning holes are formed in the mounting disc at equal intervals.

Preferably, one section that the shell was kept away from to the positioning screw rod runs through the mounting disc and extends to the left side of mounting disc, circular through-hole has all been seted up to the inside of support frame and adjustable shelf.

Preferably, the shell, the supporting frame, the baffle plate and the positioning plate are integrated, the shell is annular, and the front surface of the shell is provided with an opening.

Preferably, the lantern ring is circular, the diameter of the lantern ring is smaller than that of the shell, the baffle is arc-shaped, and the front face of the baffle is provided with an arc-shaped limiting groove.

Preferably, the number of the positioning plates is two, a gap exists between the two positioning plates, and thread grooves are formed in the outer sides of the two positioning plates at equal intervals.

Preferably, the outer cap is communicated with the shell, and the fixing frame is n-shaped.

Preferably, one end of the conduit, which is far away from the water tank, penetrates through the top of the shell and extends to the inside of the shell, and a liquid level sensor is fixedly mounted in the inside of the water tank.

(III) advantageous effects

Compared with the prior art, the invention provides the permanent magnet brushless direct current motor with good dustproof effect, which has the following beneficial effects:

1. this permanent magnetism brushless DC motor that dustproof effect is good, carry out fixed mounting to PMKD through utilizing the set screw, then operation controller starts brushless unit, at the radiating in-process of brushless unit work, outside gas can be by the extroversion in proper order leading-in to outer cap, shell and brushless unit, when gaseous through outer cap and shell, first dust screen and second dust screen can adsorb and block the dust in the gas, if adnexed dust is less on first dust screen and the second dust screen, can make brushless unit reversal by operation controller, outwards derive the inside gas of brushless unit, it guides into a little with the washing liquid in the water tank to open the control valve, clear up first dust screen and second dust screen under the effect of wind power.

2. This dustproof effectual permanent magnetism direct current brushless motor, make outer cap and locating plate separation through rotatory outer cap, thereby second dust screen is dismantled down, the bolt loosening makes turns over board and shell separation, inside the lantern ring breaks away from the baffle simultaneously, the movable frame is rotatory in the outside of locating lever, expose first dust screen, adnexed dust is too much on first dust screen and second dust screen, more convenience is cleared up, not only can effectually prevent that the dust from getting into brushless unit's inside, also prevent simultaneously that the dust from blockking up the wind gap.

Drawings

Fig. 1 is a front view of a permanent magnet brushless dc motor with good dustproof effect according to the present invention;

fig. 2 is a side sectional view of a structural casing of a permanent magnet brushless dc motor according to the present invention, which has a good dustproof effect;

fig. 3 is a side sectional view of an outer cap of a permanent magnet brushless dc motor structure with a good dustproof effect according to the present invention.

In the figure: the device comprises a fixed base plate 1, a fixed screw 2, a machine base 3, a brushless machine set 4, a controller 5, a mounting disc 6, a positioning screw 7, a fixing nut 8, a shell 9, a support frame 10, a positioning rod 11, a movable frame 12, a turnover plate 13, a fixed plate 14, a bolt 15, a lantern ring 16, a first dust screen 17, a baffle 18, a positioning plate 19, an outer cap 20, a second dust screen 21, a fixed frame 22, a water tank 23, a conduit 24 and a control valve 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a permanent magnet brushless dc motor with good dustproof effect comprises a fixed base plate 1, wherein the top of the fixed base plate 1 is in threaded connection with four fixing screws 2, the number of the fixing screws 2 is four, the four fixing screws 2 are distributed on the top of the fixed base plate 1 at equal intervals, the top of the fixed base plate 1 is fixedly connected with a base 3, the top of the base 3 is fixedly connected with a brushless unit 4, the base 3, the fixed base plate 1 and a mounting disc 6 are integrated, the top of the brushless unit 4 is fixedly provided with a controller 5, the right side of the brushless unit 4 is fixedly connected with a mounting disc 6, the mounting disc 6 is annular, a plurality of positioning holes are formed in the mounting disc 6 at equal intervals, positioning screws 7 are inserted in the mounting disc 6, a section of each positioning screw 7, which is far away from a shell 9, penetrates through the mounting disc 6, the outer part of the positioning screw 7 is connected with a fixed nut 8 positioned on the left side of the mounting disc 6 through threads, the right end of the positioning screw 7 is fixedly connected with a shell 9 positioned on the right side of the mounting disc 6, the shell 9, a support frame 10, a baffle plate 18 and a positioning plate 19 are integrated, the shell 9 is annular, the front side of the shell 9 is provided with an opening, the top of the shell 9 is fixedly connected with the support frame 10, the support frame 10 and the movable frame 12 are both provided with circular through holes, the inner part of the support frame 10 is fixedly connected with a positioning rod 11, the outer part of the positioning rod 11 is movably connected with the movable frame 12, the outer side of the movable frame 12 is fixedly connected with a turning plate 13, the bottoms of the turning plate 13 and the shell 9 are both fixedly connected with a fixed plate 14, the inner part of the fixed plate 14, a first dustproof net 17 is fixedly installed on the inner side of the lantern ring 16, a baffle 18 is fixedly connected to the rear side wall of the inner cavity of the shell 9, the baffle 18 is arc-shaped, an arc-shaped limiting groove is formed in the front face of the baffle 18, a positioning plate 19 is fixedly connected to the right side of the shell 9, the number of the positioning plates 19 is two, a gap exists between the two positioning plates 19, thread grooves are formed in the outer sides of the two positioning plates 19 at equal intervals, an outer cap 20 is connected to the outer portion of the positioning plate 19 through threads, the outer cap 20 is communicated with the shell 9, a second dustproof net 21 is fixedly installed on the inner side of the outer cap 20, a fixing frame 22 is fixedly connected to the top of the shell 9, the fixing frame 22 is n-shaped, a water tank 23 is fixedly connected to the top of the fixing frame 22, a liquid level sensor is fixedly installed inside the water tank 23, a conduit 24, the control valve 25 is fixedly installed outside the guide pipe 24, thereby achieving the purpose of preventing dust from entering the interior of the brushless motor during the heat dissipation process.

In summary, in the permanent magnet brushless dc motor with good dustproof effect, the fixing base plate 1 is fixedly installed by using the fixing screw 2, then the controller 5 is operated to start the brushless unit 4, during the working heat dissipation process of the brushless unit 4, the external air is led into the outer cap 20, the housing 9 and the brushless unit 4 from outside to inside in sequence, when the air passes through the outer cap 20 and the housing 9, the first dustproof net 17 and the second dustproof net 21 can adsorb and block the dust in the air, if the dust attached to the first dustproof net 17 and the second dustproof net 21 is less, the controller 5 can be operated to reverse the brushless unit 4, the air in the brushless unit 4 is led out from outside, the control valve 25 is opened to lead in the cleaning liquid in the water tank 23 a little, the first dustproof net 17 and the second dustproof net 21 are cleaned under the action of wind force, the outer cap 20 is separated from the positioning plate 19 by rotating the outer cap 20, thereby second dust screen 21 is dismantled, unscrew bolt 15 and make and turn over board 13 and shell 9 separation, lantern ring 16 breaks away from inside baffle 18 simultaneously, adjustable shelf 12 is rotatory in the outside of locating lever 11, expose first dust screen 17, adnexed dust is too much on first dust screen 17 and second dust screen 21, more convenience is cleared up, not only can effectually prevent that the dust from getting into brushless unit 4's inside, also prevent simultaneously that the dust from blockking up the wind gap, thereby solved present heat dissipation mechanism and carrying out the in-process that cools down to brushless motor, can lead to the dust to get into the inside problem of brushless motor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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