CN212012401U

CN212012401U - Brushless DC energy-saving motor

Info

Publication number: CN212012401U
Application number: CN202021171788.XU
Authority: CN
Inventors: 黄小雄
Original assignee: Dongguan Zhiling Electric Technology Co ltd
Current assignee: Dongguan Zhiling Electric Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-11-24
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a brushless DC energy-saving motor, which comprises a mainboard, the top fixedly connected with of mainboard supports the cover, the fixed surface that supports the cover is connected with the fixed plate, the first electrode block of bottom fixedly connected with of fixed plate, the first riser of top fixedly connected with of fixed plate, the top swing joint that supports the cover has the magnetic conductive plate, the equal fixedly connected with coil in top and the bottom of magnetic conductive plate, the top swing joint of magnetic conductive plate has the clamping ring, and the fixed surface of clamping ring is connected with the connecting plate. The utility model discloses a cooperation that sets up first electrode piece, first riser, magnetic conductive plate, second riser, coil, second electrode piece, PG signal processor, MCU singlechip and PWM signal converter is used, possesses that work sound is little, energy-conserving effectual advantage, and it is big to have solved current brushless DC motor noise, and motor speed is uncontrollable, can not be according to service environment condition motor speed, the poor problem of energy-conserving effect.

Description

Brushless DC energy-saving motor

Technical Field

The utility model relates to a brushless DC motor technical field specifically is a brushless DC energy-saving motor.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. The brushless direct current motor runs in a self-control mode, so that a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under a heavy load under the condition of variable frequency speed regulation, and oscillation and step-out can not be generated when the load suddenly changes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brushless DC energy-saving motor possesses little, the effectual advantage of energy-conservation of work sound, and it is big to have solved current brushless DC motor noise, and motor speed is uncontrollable, can not be according to service environment condition motor speed, the poor problem of energy-conserving effect.

In order to achieve the above object, the utility model provides a following technical scheme: a brushless DC energy-saving motor comprises a main board, a supporting sleeve is fixedly connected with the top of the main board, the surface of the supporting sleeve is fixedly connected with a fixed plate, the bottom of the fixed plate is fixedly connected with a first electrode block, the top of the fixed plate is fixedly connected with a first vertical plate, the top of the supporting sleeve is movably connected with a magnetic conductive sheet, the top and the bottom of the magnetic conductive sheet are both fixedly connected with coils, the top of the magnetic conductive sheet is movably connected with a pressing ring, the surface of the pressing ring is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with a second electrode block, the bottom of the connecting plate is fixedly connected with a second vertical plate, the front side of the bottom of the main plate is fixedly connected with a PG signal processor, the right side fixedly connected with MCU singlechip of mainboard bottom rear side, the left side fixedly connected with PWM signal converter of mainboard bottom rear side.

Preferably, the bottom of the first electrode block is in contact with the top of the main plate, and the first vertical plate and the second vertical plate are in contact with the magnetic conductive sheet.

Preferably, one side of the coil, which is far away from the magnetic conductive sheet, penetrates through the fixing plate and the connecting plate respectively, and the coil is in contact with the fixing plate and the connecting plate.

Preferably, the number of the magnetic conductive sheets is multiple, and the magnetic conductive sheets are mutually overlapped and fixedly connected together.

Preferably, the bottom of the support sleeve is fixedly connected with a fixing rod, the top of the main board is provided with a through hole matched with the fixing rod, and the bottom of the fixing rod extends to the bottom of the main board through the through hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation that sets up first electrode piece, first riser, magnetic conductive plate, second riser, coil, second electrode piece, PG signal processor, MCU singlechip and PWM signal converter is used, possesses that work sound is little, energy-conserving effectual advantage, and it is big to have solved current brushless DC motor noise, and motor speed is uncontrollable, can not be according to service environment condition motor speed, the poor problem of energy-conserving effect.

2. The utility model discloses a set up first electrode piece, can play the effect of support to the fixed plate, the stability of the fixed plate of can being convenient for, through setting up first riser and second riser, can play spacing effect to the magnetic conductive plate, the stability of the magnetic conductive plate of can being convenient for, through setting up fixed plate and connecting plate, can play electrically conductive effect to the coil, the conversion of the coil internal current of can being convenient for, through setting up the magnetic conductive plate, can play the effect of conduction to the magnetic field that the coil formed, the stability in magnetic field of can being convenient for, through setting up dead lever and through-hole, can derive excess current when the electric current is too high.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is an exploded view of the structure of the present invention;

FIG. 4 is an exploded view of the structure of the present invention;

FIG. 5 is a main circuit diagram of the present invention;

fig. 6 is a circuit diagram of the overvoltage protection circuit of the present invention;

fig. 7 is a control circuit diagram of the present invention.

In the figure: 1 mainboard, 2 support cover, 3 fixed plate, 4 first electrode blocks, 5 first riser, 6 magnetic conduction pieces, 7 second riser, 8 coils, 9 clamping rings, 10 connecting plates, 11 second electrode blocks, 12PG signal processor, 13MCU singlechip, 14PWM signal converter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a mainboard 1, support cover 2, fixed plate 3, first electrode block 4, first riser 5, magnetic conductive plate 6, second riser 7, coil 8, clamping ring 9, connecting plate 10, second electrode block 11, PG signal processor 12, parts such as MCU singlechip 13 and PWM signal converter 14 are the general standard or the part that technical staff in the field knows, its structure and principle all can learn through technical manual or learn through conventional experimental approach for technical staff in the field.

Referring to fig. 1-7, a brushless dc energy-saving motor comprises a main board 1, a supporting sleeve 2 is fixedly connected to the top of the main board 1, a fixing rod is fixedly connected to the bottom of the supporting sleeve 2, a through hole matched with the fixing rod is formed in the top of the main board 1, the bottom of the fixing rod extends to the bottom of the main board 1 through the through hole, excessive current can be led out when the current is too high by arranging the fixing rod and the through hole, a fixing plate 3 is fixedly connected to the surface of the supporting sleeve 2, a first electrode block 4 is fixedly connected to the bottom of the fixing plate 3, a first vertical plate 5 is fixedly connected to the top of the fixing plate 3, a plurality of magnetic conductive plates 6 are movably connected to the top of the supporting sleeve 2, the magnetic conductive plates 6 are mutually overlapped and fixedly connected with the magnetic conductive plates 6, and the magnetic conductive plates 6 are arranged to conduct a magnetic field, can be convenient for the stability of magnetic field, the top and the bottom of magnetic conductive sheet 6 are both fixedly connected with coil 8, the top of magnetic conductive sheet 6 is movably connected with clamping ring 9, the fixed surface of clamping ring 9 is fixedly connected with connecting plate 10, one side of coil 8 far away from magnetic conductive sheet 6 runs through fixed plate 3 and connecting plate 10 respectively, coil 8 contacts with fixed plate 3 and connecting plate 10, through setting up fixed plate 3 and connecting plate 10, can play the electrically conductive effect to coil 8, can be convenient for the conversion of current in coil 8, the top of connecting plate 10 is fixedly connected with second electrode block 11, the bottom of connecting plate 10 is fixedly connected with second riser 7, the bottom of first electrode block 4 contacts with the top of mainboard 1, through setting up first electrode block 4, can play the supporting effect to fixed plate 3, can be convenient for the stability of fixed plate 3, first riser 5 and second riser 7 contact with magnetic conductive sheet 6, through setting up first riser 5 and second riser 7, can play spacing effect to magnetic conductive plate 6, the stability of magnetic conductive plate 6 of being convenient for, the front side fixedly connected with PG signal processor 12 of 1 bottom of mainboard, the right side fixedly connected with MCU singlechip 13 of 1 bottom rear side of mainboard, the left side fixedly connected with PWM signal converter 14 of 1 bottom rear side of mainboard, through setting up first electrode piece 4, first riser 5, magnetic conductive plate 6, second riser 7, coil 8, second electrode piece 11, PG signal processor 12, MCU singlechip 13 and PWM signal converter 14's cooperation is used, it is little to possess work sound, energy-conserving effectual advantage, it is big to have solved current brushless DC motor noise, the motor speed is uncontrollable, can not be according to service environment condition motor speed, the poor problem of energy-conserving effect.

During the use, put through the circuit, it makes the motor rotate steadily to guarantee that the interior electric current of coil 8 is stable through first electrode piece 4 conduction to coil 8, first electrode piece 4 adopts the mellow and full linking optimization acoustics noise reduction, MCU singlechip 13 control current is with sine wave form input, switching angle has been optimized, motor efficiency and acoustics have been promoted in order to reach domestic super-silent requirement, control through PG signal processor 12 and PWM signal converter 14, can adjust the rotational speed of motor, can play and use different rotational speeds in different environment in order to reach the function of energy-conservation province, connect surge protection circuit and reversal connection protection circuit in the motor circuit, can effectively reduce the threat of motor start-up surge and back electromotive force to electronic component, protect electronic component.

In summary, the following steps: this brushless DC energy-saving motor through setting up first electrode piece 4, first riser 5, magnetic conduction piece 6, second riser 7, coil 8, second electrode piece 11, PG signal processor 12, MCU singlechip 13 and PWM signal converter 14, has solved current brushless DC motor noise big, and the motor speed is uncontrollable, can not be according to service environment condition motor speed, problem that energy-conserving effect is poor.

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.

Claims

1. The utility model provides a brushless DC energy-saving motor, includes mainboard (1), its characterized in that: the top of the main board (1) is fixedly connected with a support sleeve (2), the surface of the support sleeve (2) is fixedly connected with a fixed plate (3), the bottom of the fixed plate (3) is fixedly connected with a first electrode block (4), the top of the fixed plate (3) is fixedly connected with a first vertical plate (5), the top of the support sleeve (2) is movably connected with a magnetic conductive sheet (6), the top and the bottom of the magnetic conductive sheet (6) are both fixedly connected with coils (8), the top of the magnetic conductive sheet (6) is movably connected with a pressing ring (9), the surface of the pressing ring (9) is fixedly connected with a connecting plate (10), the top of the connecting plate (10) is fixedly connected with a second electrode block (11), the bottom of the connecting plate (10) is fixedly connected with a second vertical plate (7), and the front side of the bottom of the main board (1) is fixedly connected with a PG signal, the right side fixedly connected with MCU singlechip (13) of mainboard (1) bottom rear side, the left side fixedly connected with PWM signal converter (14) of mainboard (1) bottom rear side.

2. A brushless dc energy saving motor according to claim 1, wherein: the bottom of the first electrode block (4) is in contact with the top of the main board (1), and the first vertical plate (5) and the second vertical plate (7) are in contact with the magnetic conductive sheet (6).

3. A brushless dc energy saving motor according to claim 1, wherein: one side of the coil (8) far away from the magnetic conductive sheet (6) penetrates through the fixing plate (3) and the connecting plate (10) respectively, and the coil (8) is in contact with the fixing plate (3) and the connecting plate (10).

4. A brushless dc energy saving motor according to claim 1, wherein: the magnetic conductive sheets (6) are multiple, and the magnetic conductive sheets (6) are mutually overlapped and fixedly connected together.

5. A brushless dc energy saving motor according to claim 1, wherein: the bottom fixedly connected with dead lever of support cover (2), the through-hole that uses with the dead lever cooperation is seted up at the top of mainboard (1), and the bottom of dead lever extends to the bottom of mainboard (1) through the through-hole.