CN214544157U - Control mechanism of DC brushless motor - Google Patents

Abstract

The utility model relates to a DC motor control device technical field just discloses DC brushless motor control mechanism, including the motor and the control box that is located the motor top, the fixed control connection seat that is provided with in top of motor, the fixed contact piece that is provided with top and control connection seat in the coplanar in inside of control connection seat, the sliding tray has all been seted up to the left and right sides of control connection seat, the fixed drive chip that is provided with of inner chamber roof of control box, the bottom fixed mounting of control box has the connecting plate, the equal fixed mounting of lateral wall has the slide rail, both sides about the inner chamber of control box sliding connection has the fixed plate between the slide rail, the inboard fixed mounting of fixed plate has the contact that runs through and extend to connecting plate below and be connected with the drive chip electricity. This direct current brushless motor control mechanism has possessed can be convenient guarantee its operating stability's advantage when dismantling control mechanism.

Description

Control mechanism of DC brushless motor

Technical Field

The utility model relates to a direct current motor control equipment technical field specifically is direct current brushless motor control mechanism.

Background

The brushless direct current motor is a typical electromechanical integration product, the brushless direct current motor is a motor without a brush and a commutator, also called a commutator-free motor, the brushless direct current motor is composed of a motor body and a driver, and is a typical electromechanical integration product, and a stator winding of the motor is mostly made into a three-phase symmetrical star connection method, which is very similar to a three-phase asynchronous motor.

The traditional brushless motor driver line is usually welded with the main body, and the wireless driver is usually fixed on the motor or near the motor by adopting a fastener when being fixed, and the disassembly is troublesome when parts are damaged or maintained and repaired, so that a direct current brushless motor control mechanism is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a direct current brushless motor control mechanism possesses can be convenient guarantee its operating stability's advantage when dismantling control mechanism, has solved traditional brushless motor driver line and has welded with the main part usually, and takes the fastener to be fixed in near motor or motor usually when wireless driver is fixed, dismantles comparatively trouble problem when part damages or maintenance and repair.

(II) technical scheme

For the purpose of realizing that the aforesaid can be convenient guarantee its operating stability when dismantling control mechanism, the utility model provides a following technical scheme: a direct-current brushless motor control mechanism comprises a motor and a control box located above the motor, wherein a control wire holder is fixedly arranged at the top of the motor, a contact piece is fixedly arranged in the control wire holder, the top of the contact piece and the control wire holder are located in the same plane, sliding grooves are formed in the left side and the right side of the control wire holder, a driving chip is fixedly arranged on the top wall of an inner cavity of the control box, a connecting plate is fixedly arranged at the bottom of the control box, sliding rails are fixedly arranged on the left side and the right side of the inner cavity of the control box, a fixing plate is connected between the sliding rails on the two sides of the inner cavity of the control box in a sliding mode, a contact which penetrates through the connecting plate and extends to the lower side of the connecting plate and is electrically connected with the driving chip is fixedly arranged on the inner side of the fixing plate, a spring is fixedly arranged at the top of the fixing plate and fixedly connected with the top wall of the inner cavity of the control box, sliding blocks which extend to the two sides of the sliding grooves are fixedly arranged on the left side and the left side of the connecting plate, the top movable mounting of connecting plate has and runs through and extend to the inside restriction round pin of control connection terminal, the right side fixed mounting of control box has elastic telescopic rod, the one end fixed mounting that elastic telescopic rod kept away from the control box has the temperature sensor who is connected with the drive chip electricity.

Preferably, the sliding groove is matched with the sliding block at one end inside the sliding groove in shape and size, and the sliding block is L-shaped.

Preferably, the quantity of slide rail is four, and four the slide rail is front and back symmetric distribution respectively and controls lateral wall about the inner chamber of control box, four the slide rail all with fixed plate fixed connection.

Preferably, the number of the springs is two and is in a compression state, and the two springs are symmetrically distributed on the left side and the right side of the driving chip.

Preferably, the length of the slide block is equal to the length of the slide groove, and the contact piece is located below the contact and contacts with the contact.

Preferably, the elastic telescopic rod is L-shaped, and the temperature sensor is in contact with the motor.

(III) advantageous effects

Compared with the prior art, the utility model provides a direct current brushless motor control mechanism possesses following beneficial effect:

the direct current brushless motor control mechanism is characterized in that a contact is arranged, when the device works, a motor is driven by a driving chip through the contact and a contact piece, when the motor is overheated, a temperature sensor transmits a signal to the driving chip to control the motor to stop or reduce the power of the motor, so that the motor is prevented from being damaged due to overheating, meanwhile, if the control box needs to be disassembled, a lower limiting pin can be taken firstly, a connecting plate is not limited at the moment and can slide forwards through a sliding block, the contact is not in contact with the contact piece during sliding, so that the motor is disconnected with the driving chip, when the sliding block is separated from the sliding groove, the disassembly of the control box is completed, the direct current brushless motor control mechanism is convenient, and a spring arranged in the direct current brushless motor control mechanism can push a fixed plate to ensure that the contact is always in contact with the contact piece when the control box is installed, so as to ensure the stability of connection, the advantage that can be convenient guarantee its operating stability when dismantling control mechanism has been possessed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a connection diagram of the slide rail and the fixing plate of the present invention;

fig. 3 is a connection diagram of the limiting pin and the control connection base of the present invention.

In the figure: 1. an electric motor; 2. a control box; 3. a control wire holder; 4. a contact piece; 5. a sliding groove; 6. a driving chip; 7. a connecting plate; 8. a slide rail; 9. a fixing plate; 10. a contact; 11. a spring; 12. a slider; 13. a restricting pin; 14. an elastic telescopic rod; 15. a temperature sensor.

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.

Referring to fig. 1-3, a dc brushless motor control mechanism includes a motor 1 and a control box 2 located above the motor 1, the top of the motor 1 is fixedly provided with a control wire holder 3, the inside of the control wire holder 3 is fixedly provided with a contact piece 4 whose top is in the same plane as the control wire holder 3, the left and right sides of the control wire holder 3 are both provided with sliding grooves 5, the size of the sliding groove 5 is matched with the size of the end of a sliding block 12 located in the sliding groove 5, the sliding block 12 is L-shaped, the top wall of the inner cavity of the control box 2 is fixedly provided with a driving chip 6, the bottom of the control box 2 is fixedly provided with a connecting plate 7, the left and right side walls of the inner cavity of the control box 2 are both fixedly provided with sliding rails 8, the number of the sliding rails 8 is four, the four sliding rails 8 are respectively symmetrically distributed in the front and back direction on the left and right side walls of the inner cavity of the control box 2, the four sliding rails 8 are both fixedly connected with a fixing plate 9, a fixed plate 9 is connected between the slide rails 8 at two sides in a sliding manner, contacts 10 which penetrate through and extend to the lower part of the connecting plate 7 and are electrically connected with the driving chip 6 are fixedly arranged at the inner side of the fixed plate 9, springs 11 which are fixedly connected with the top wall of the inner cavity of the control box 2 at the top part of the fixed plate 9 are fixedly arranged at the top part of the fixed plate 9, the number of the springs 11 is two and are in a compressed state, the two springs 11 are distributed at the left side and the right side of the driving chip 6 in a bilateral symmetry manner, sliding blocks 12 which respectively extend to the inner parts of the two sliding grooves 5 are fixedly arranged at the left side and the right side of the connecting plate 7, the length of each sliding block 12 is equal to that of each sliding groove 5, the contact piece 4 is positioned below the contact 10 and is in contact with the contact 10, a limiting pin 13 which penetrates through and extends to the inner part of the control wire holder 3 is movably arranged at the top part of the connecting plate 7, an elastic telescopic rod 14 is in an L shape, and the temperature sensor 15 contacts with the motor 1, one end of the elastic telescopic rod 14 far away from the control box 2 is fixedly provided with the temperature sensor 15 electrically connected with the driving chip 6, through the arrangement of the contact 10, when the device works, the driving chip 6 drives the motor 1 through the contact 10 and the contact piece 4, when the motor is overheated, the temperature sensor 15 transmits a signal to the driving chip 6 to control the motor to stop or reduce the self power, thereby preventing the motor from being damaged due to overheating, meanwhile, if the control box 2 needs to be disassembled, the lower limiting pin 13 can be taken out firstly, at the moment, the connecting plate 7 is not limited, the sliding block 12 can slide, and then the sliding block can slide to the front side, when the contact 10 does not contact with the contact piece 4 any more during sliding, the motor 1 is disconnected with the driving chip 6, when the sliding block 12 is separated from the inside of the sliding groove 5, the disassembly of the control box 2 is completed, it is comparatively convenient, and inside spring 11 that sets up promotes fixed plate 9 and can guarantee that contact 10 contacts with contact piece 4 all the time when control box 2 is installed, guarantees the stability of connecting, through above setting, has possessed can be convenient guarantee its operating stability's advantage when dismantling control mechanism.

In summary, in the dc brushless motor control mechanism, by providing the contact 10, when the device is operated, the driving chip 6 drives the motor 1 through the contact 10 and the contact piece 4, and when the motor is overheated, the temperature sensor 15 transmits a signal to the driving chip 6 to control the motor to stop or reduce its power, thereby preventing the motor from being damaged due to overheating, and when the control box 2 needs to be disassembled, the lower limiting pin 13 can be taken first, at this time, the connecting plate 7 is not limited, and can slide through the sliding block 12, and then can slide to the front side, when sliding, the contact 10 can not contact with the contact piece 4 any more, so that the motor 1 is disconnected from the driving chip 6, when the sliding block 12 is separated from the sliding groove 5, the disassembly of the control box 2 is completed, which is convenient, and the spring 11 arranged inside can push the fixing plate 9 to ensure that the contact 10 always contacts with the contact piece 4 when the control box 2 is installed, the stability of connection is guaranteed, through above setting, has possessed can be convenient guarantee its operating stability's advantage when dismantling control mechanism, has solved traditional brushless motor driver line and has welded with the main part usually, and takes the fastener to be fixed in near motor or motor usually when wireless driver is fixed, dismantles comparatively trouble problem when part damages or maintenance and repair.

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.

Claims (6)

1. Direct current brushless motor control mechanism includes motor (1) and is located control box (2) of motor (1) top, its characterized in that: the top of the motor (1) is fixedly provided with a control wiring seat (3), the inside of the control wiring seat (3) is fixedly provided with a contact piece (4) with the top and the control wiring seat (3) located in the same plane, the left side and the right side of the control wiring seat (3) are both provided with sliding grooves (5), the inner cavity top wall of the control box (2) is fixedly provided with a driving chip (6), the bottom of the control box (2) is fixedly provided with a connecting plate (7), the left side wall and the right side wall of the inner cavity of the control box (2) are both fixedly provided with sliding rails (8), two sides are slidably connected with a fixing plate (9) between the sliding rails (8), the inner side of the fixing plate (9) is fixedly provided with a contact (10) which penetrates through and extends to the lower part of the connecting plate (7) and is electrically connected with the driving chip (6), the top of the fixing plate (9) is fixedly provided with a spring (11) with the top and the inner cavity top wall of the control box (2), the equal fixed mounting in the left and right sides of connecting plate (7) has and extends to two respectively inside sliding block (12) of sliding tray (5), the top movable mounting of connecting plate (7) has and runs through and extends to inside restriction round pin (13) of control connection seat (3), the right side fixed mounting of control box (2) has elastic telescopic rod (14), the one end fixed mounting that control box (2) were kept away from in elastic telescopic rod (14) has temperature sensor (15) of being connected with drive chip (6) electricity.

2. The direct current brushless motor control mechanism according to claim 1, characterized in that: the shape size of sliding tray (5) and sliding block (12) are located the shape size looks adaptation of the inside one end of sliding tray (5), sliding block (12) are the L type.

3. The direct current brushless motor control mechanism according to claim 1, characterized in that: the quantity of slide rail (8) is four, and four slide rail (8) are front and back symmetric distribution respectively and control the lateral wall about the inner chamber of control box (2), four slide rail (8) all with fixed plate (9) fixed connection.

4. The direct current brushless motor control mechanism according to claim 1, characterized in that: the number of the springs (11) is two and is in a compression state, and the springs (11) are symmetrically distributed on the left side and the right side of the driving chip (6).

5. The direct current brushless motor control mechanism according to claim 1, characterized in that: the length of the sliding block (12) is equal to that of the sliding groove (5), and the contact piece (4) is located below the contact (10) and is in contact with the contact (10).

6. The direct current brushless motor control mechanism according to claim 1, characterized in that: the elastic telescopic rod (14) is L-shaped, and the temperature sensor (15) is in contact with the motor (1).

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