CN215344308U - Control circuit board bin box of permanent magnet motor - Google Patents

Abstract

The utility model relates to the technical field of permanent magnet motor control equipment, in particular to a control circuit board bin box of a permanent magnet motor, which comprises a bin box main body, wherein the bin box main body is arranged on the permanent magnet motor main body, a fixing plate is welded at the upper end of the permanent magnet motor main body, the bin box main body is welded at the upper end of the fixing plate, the upper end of the bin box main body is connected with an upper cover through a bolt, an air inlet pipe penetrates through the front side surface of the bin box main body, and an air outlet pipe penetrates through the rear side surface of the bin box main body, and the control circuit board bin box has the beneficial effects that: utilize the circular through-hole that sets up, make outside air can get into storehouse box main part in, can effectually prevent simultaneously that rainwater etc. from getting into storehouse box main part through circular through-hole in, utilize the dustproof sieve of setting, can effectually keep apart the dust in the dustproof sieve outside, rotate through radiator fan to dispel the heat to storehouse box main part is inside, rotate along dustproof sieve through the cleaning brush, clear up dust etc. on the sieve that will prevent dust, thereby prevent dustproof sieve jam.

Description

Control circuit board bin box of permanent magnet motor

Technical Field

The utility model relates to the technical field of permanent magnet motor control equipment, in particular to a control circuit board bin box of a permanent magnet motor.

Background

The permanent magnet motor adopts a permanent magnet to generate a magnetic field of the motor, does not need an excitation coil or an excitation current, and is developed with the advent of high-performance permanent magnet materials and the rapid development of control technology. The application of permanent magnet motors will become more widespread. Permanent magnet motors have the advantages of high efficiency, high power density, large power factor, large starting torque, wide speed regulation range and the like, and are increasingly widely applied in various fields of industrial production and daily life.

When the existing permanent magnet motor works, a large amount of heat can be generated by high-power current. Because the heat dispersion of permanent-magnet machine is poor, can lead to the circuit to damage because of the local overheat of control circuit board like this for permanent-magnet machine's control circuit board or power supply unit trouble. However, the existing heat dissipation structure cannot achieve good dust prevention and water prevention during heat dissipation, dust and water stains are accumulated on the control circuit board, and the control circuit board is easy to cause short circuit, so that the normal use of the permanent magnet motor is influenced.

Therefore, a need exists for a control circuit board magazine for a permanent magnet motor that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a control circuit board magazine of a permanent magnet motor, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a control circuit board bin box of a permanent magnet motor comprises a bin box main body, wherein the bin box main body is arranged on the permanent magnet motor main body, a fixing plate is welded at the upper end of the permanent magnet motor main body, a bin box main body is welded at the upper end of the fixing plate, an upper cover is connected at the upper end of the bin box main body through a bolt, an air inlet pipe is arranged on the front side surface of the bin box main body in a penetrating manner, an air outlet pipe is arranged on the rear side surface of the bin box main body in a penetrating manner, circular covers are sleeved at the end parts of the air inlet pipe and the air outlet pipe, circular through holes are formed in the side surfaces of the circular covers, a sealing cover is connected to the cylindrical surface of each circular cover through a rubber rope, the inner side of the bin box main body is rotatably connected with a rotating shaft through a supporting plate, one end of the rotating shaft is inserted into the air inlet pipe, the other end of the rotating shaft is inserted into the air outlet pipe, a driven gear is welded on the rotating shaft, and a power gear is meshed below the driven gear, the welding has dustproof sieve in the intake pipe, the one end of pivot is run through dustproof sieve and is welded with the cleaning brush, the cleaning brush sets up in the intake pipe, the other end welding of pivot has radiator fan, radiator fan sets up in the outlet duct.

Preferably, round holes are symmetrically formed in the front side face and the rear side face of the bin box main body, one ends of the air inlet pipe and the air outlet pipe are inserted into the round holes, and the air inlet pipe and the air outlet pipe are welded with the bin box main body.

Preferably, the side surfaces of the air inlet pipe and the air outlet pipe are both provided with external threads, and the two circular covers are respectively in threaded connection with the air inlet pipe and the air outlet pipe.

Preferably, the sealing cover is made of rubber, and the sealing cover is sleeved on the round cover.

Preferably, the circular through holes are arranged on the side surface of the circular cover in a rectangular array, and the circular through holes are obliquely arranged from inside to outside downwards.

Preferably, the dustproof sieve plate is a circular plate, vent holes are formed in the circular plate in a circumferential array, and the cleaning brush is in contact with the dustproof sieve plate.

Compared with the prior art, the utility model has the beneficial effects that: utilize the circular lid that sets up, through the circular through-hole that circular lid side slope set up downwards, make outside air can get into storehouse box main part in, simultaneously can effectually prevent that rainwater etc. from getting into storehouse box main part through circular through-hole in, utilize the dustproof sieve of setting, can effectually keep apart the dust in the dustproof sieve outside, rotate through the pivot, make radiator fan rotate, thereby dispel the heat to storehouse box main part inside, the pivot drives the cleaning brush and rotates simultaneously, make the cleaning brush rotate along dustproof sieve, clear up dust etc. on the dustproof sieve, thereby prevent dustproof sieve jam, influence the heat dissipation of storehouse box main part.

Drawings

FIG. 1 is a schematic view of a permanent magnet motor according to the present invention;

FIG. 2 is a schematic cross-sectional view of the cartridge structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a permanent magnet motor according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is an enlarged view of the structure at B in fig. 3.

In the figure: 1. a permanent magnet motor main body; 11. a fixing plate; 2. a cartridge body; 21. an upper cover; 3. an air inlet pipe; 31. an air outlet pipe; 4. a circular cover; 41. a circular through hole; 42. a sealing cover; 5. a rotating shaft; 51. a driven gear; 52. a power gear; 6. a dustproof sieve plate; 7. a cleaning brush; 8. a heat dissipation fan.

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 to 5, the present invention provides a technical solution: the utility model provides a permanent-magnet machine's control circuit board storehouse box, including storehouse box main part 2, storehouse box main part 2 sets up on permanent-magnet machine main part 1, the upper end welding of permanent-magnet machine main part 1 has fixed plate 11, the upper end welding of fixed plate 11 has storehouse box main part 2, there is upper cover 21 storehouse box main part 2's upper end through bolted connection, the leading flank of storehouse box main part 2 runs through and is provided with intake pipe 3, 2 trailing flanks of storehouse box main part run through and are provided with outlet duct 31, the round hole is seted up to side symmetry around storehouse box main part 2, intake pipe 3 and outlet duct 31's one end is all pegged graft in the round hole, and intake pipe 3 and outlet duct 31 all weld with storehouse box main part 2, through intake pipe 3 and outlet duct 31 cooperation, make the inside gas of storehouse box main part 2 can realize the circulation, thereby dispel the heat to storehouse box main part 2.

The tip of intake pipe 3 and outlet duct 31 all overlaps and is equipped with circular lid 4, and the external screw thread has all been seted up to the side of intake pipe 3 and outlet duct 31, and two circular lids 4 are convenient for dismantle the clearance to circular lid 4 respectively in intake pipe 3 and 31 threaded connection of outlet duct, conveniently clear up intake pipe 3 and 31 insides of outlet duct simultaneously.

Circular through-hole 41 has been seted up to circular lid 4's side, and circular through-hole 41 sets up in circular lid 4's side in rectangular array, and circular through-hole 41 sets up from inside to outside slope downwards, prevents that the rainwater from getting into in the magazine main part 2 through circular through-hole 41.

The face of cylinder of circular lid 4 is connected with sealed lid 42 through the rubber rope, and sealed lid 42 is the lid of rubber material, and sealed lid 42 cover is established on circular lid 4, when permanent-magnet machine main part 1 stop work, overlaps sealed lid 42 at circular lid 4, prevents that rainwater and dust from getting into in storehouse box main part 2 through circular through-hole 41.

The inboard pivot 5 of connecting through the backup pad rotation of storehouse box main part 2, in the intake pipe 3 was inserted to the one end of pivot 5, in the other end of pivot 5 inserted outlet duct 31, the welding had driven gear 51 on the pivot 5, driven gear 51's below meshing has power gear 52, power gear 52 passes through the pin spare with micro motor's output shaft and is connected, micro motor passes through the bolt and is connected with the supporting seat.

The welding has dustproof sieve 6 in intake pipe 3, the one end of pivot 5 is run through dustproof sieve 6 and is welded with cleaning brush 7, pivot 5 rotates with dustproof sieve 6 to be connected, dustproof sieve 6 is the air vent of seting up into the circumference array on a circular slab, cleaning brush 7 contacts with dustproof sieve 6, can effectually keep apart the dust in the outside through dustproof sieve 6, rotate along dustproof sieve 6 through cleaning brush 7, clear up dust etc. on the sieve 6 that will prevent dust, thereby prevent 6 jam of dustproof sieve.

The cleaning brush 7 is arranged in the air inlet pipe 3, the other end of the rotating shaft 5 is welded with the cooling fan 8, the cooling fan 8 is arranged in the air outlet pipe 31, and the cooling fan 8 is an exhaust fan and discharges the heat inside the bin main body 2 through the circular through hole 41.

The working principle is as follows: the circular through hole 41 which is obliquely and downwards arranged on the side surface of the circular cover 4 enables external air to enter the bin main body 2, enables the air inside the bin main body 2 to circulate, and can effectively prevent rainwater and the like from entering the bin main body 2 through the circular through hole 41; after air enters the air inlet pipe 3 through the circular through hole 41, the air passes through the dustproof sieve plate 6, and dust can be effectively isolated outside through the dustproof sieve plate 6, so that the cleanliness of the interior of the bin main body 2 is ensured; the driven gear 51 is driven to rotate through the power gear 52, the driven gear 51 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the cleaning brush 7 and the radiating fan 8 to rotate through the radiating fan 8, so that heat is radiated inside the bin main body 2, and dust and the like on the dustproof sieve plate 6 are cleaned up through the rotation of the cleaning brush 7 along the dustproof sieve plate 6, so that the dustproof sieve plate 6 is prevented from being blocked and the heat radiation of the bin main body 2 is prevented from being influenced; when the permanent magnet motor body 1 stops working, the sealing cover 42 is fitted over the circular cover 4 to prevent rainwater and dust from entering the cartridge body 2 through the circular through hole 41.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a permanent-magnet machine's control circuit board storehouse box, includes storehouse box main part (2), and storehouse box main part (2) set up on permanent-magnet machine main part (1), its characterized in that: the permanent magnet motor is characterized in that a fixing plate (11) is welded at the upper end of a permanent magnet motor main body (1), a bin box main body (2) is welded at the upper end of the fixing plate (11), an upper cover (21) is connected to the upper end of the bin box main body (2) through a bolt, an air inlet pipe (3) penetrates through the front side face of the bin box main body (2), an air outlet pipe (31) penetrates through the rear side face of the bin box main body (2), circular covers (4) are sleeved at the end parts of the air inlet pipe (3) and the air outlet pipe (31), a circular through hole (41) is formed in the side face of each circular cover (4), a cylindrical surface of each circular cover (4) is connected with a sealing cover (42) through a rubber rope, a rotating shaft (5) is rotatably connected to the inner side of the bin box main body (2) through a supporting plate, one end of the rotating shaft (5) is inserted into the air inlet pipe (3), and the other end of the rotating shaft (5) is inserted into the air outlet pipe (31), the welding has driven gear (51) in pivot (5), the below meshing of driven gear (51) has power gear (52), the welding has dustproof sieve (6) in intake pipe (3), the one end of pivot (5) is run through dustproof sieve (6) and is welded with cleaning brush (7), cleaning brush (7) set up in intake pipe (3), the other end welding of pivot (5) has radiator fan (8), radiator fan (8) set up in outlet duct (31).

2. The control circuit board bin of a permanent magnet motor according to claim 1, wherein: round holes are symmetrically formed in the front side face and the rear side face of the bin box main body (2), one ends of the air inlet pipe (3) and the air outlet pipe (31) are inserted into the round holes, and the air inlet pipe (3) and the air outlet pipe (31) are welded with the bin box main body (2).

3. The control circuit board bin of a permanent magnet motor according to claim 1, wherein: the side surfaces of the air inlet pipe (3) and the air outlet pipe (31) are provided with external threads, and the two circular covers (4) are respectively in threaded connection with the air inlet pipe (3) and the air outlet pipe (31).

4. The control circuit board bin of a permanent magnet motor according to claim 1, wherein: the sealing cover (42) is made of rubber materials, and the sealing cover (42) is sleeved on the round cover (4).

5. The control circuit board bin of a permanent magnet motor according to claim 1, wherein: the circular through holes (41) are arranged on the side face of the circular cover (4) in a rectangular array, and the circular through holes (41) are obliquely and downwards arranged from inside to outside.

6. The control circuit board bin of a permanent magnet motor according to claim 1, wherein: the dustproof sieve plate (6) is a circular plate, vent holes are formed in the circular plate in a circumferential array, and the cleaning brush (7) is in contact with the dustproof sieve plate (6).

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