Motor wiring structure and motor

Abstract

The utility model relates to the technical field of motors, in particular to a motor wiring structure and a motor, the motor wiring structure comprises a first lead and a second lead, the outer wall of the first lead is connected with a first joint, the outer wall of the second lead is connected with a second joint, and the first joint and the second joint can be plugged; a sealing mechanism is arranged on the second connector and comprises a first annular air bag and a second annular air bag. The second annular air bag can expand and be embedded into the third annular groove when the first connector and the second connector are in butt joint, and when insertion is completed, the third annular groove is filled with the second annular air bag to form a flexible sealing structure, so that external moisture and impurities are effectively prevented from invading from a gap between the first connector and the second connector; and the problem of short circuit or poor contact caused by damp or dust entering at the butt joint part of the first wire and the second wire is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a motor, concretely is a motor wiring structure and motor. BACKGROUND

[0002] The motor is a kind of core power equipment for realizing the mutual conversion of electric energy and mechanical energy, and its development began with the discovery of electromagnetic induction phenomenon in the 19th century, and the invention of Faraday disc generator laid the technical foundation, and then, with the promotion of scientists such as Siemens and Tesla, key types such as direct-current motor and alternating-current asynchronous motor were successively invented, gradually replaced traditional mechanical transmission, and became the core driving component in the fields of industrial production, transportation, household appliances and the like, with the increasing requirements of modern industry on energy efficiency, volume and reliability, as well as the development of new energy vehicles and renewable energy power generation, the limitations of traditional motors in power density, speed regulation performance and energy consumption control are highlighted, which promotes the research and development of new structures such as high-efficiency permanent magnet synchronous motor and brushless direct-current motor, and the technical iteration of motor plays a key supporting role in promoting industrial production.

[0003] The existing motor needs to be connected with the motor lead in actual use, to realize power supply, and part of the motor needs to be operated in the working condition of humidity or heavy dust, therefore, the lead connection part is easily damp or enters dust, and then short circuit or poor contact problem occurs, so a motor wiring structure and motor are proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a motor wiring structure and motor, which solves the problem that part of the motor needs to be operated in the working condition of humidity or heavy dust in the above background technology, so that the lead connection part is easily damp or enters dust, and then short circuit or poor contact problem occurs.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a motor wiring structure, comprising a first lead and a second lead, the outer wall of the first lead is connected with a first connector, the outer wall of the second lead is connected with a second connector, and the first connector and the second connector can be inserted; the second connector is provided with a sealing mechanism, the sealing mechanism comprises a first annular air bag and a second annular air bag, a first annular groove is formed in the end of the second connector close to the first connector, a second annular groove is formed in the outer wall in contact with the inner side of the first connector, the first annular air bag is installed in the first annular groove, the second annular air bag is installed in the second annular groove, a plurality of air pipes are connected between the first annular air bag and the second annular air bag, and a third annular groove is formed in the inner side of the first connector.

[0006] Preferably, the first annular air bag protrudes from the end of the second joint, and when the first joint is inserted into the second joint, the first annular air bag is compressed, and the second annular air bag can be embedded in the third annular groove after expansion.

[0007] Preferably, a plurality of first springs are arranged in the first annular air bag, and the plurality of first springs are used to drive the first annular air bag to expand and reset after the first annular air bag is separated from the first joint.

[0008] Preferably, a clamping mechanism is arranged between the first joint and the second joint, the clamping mechanism comprises two fixed wedges and two movable wedges, two notches are formed in the inner side of the first joint, the two fixed wedges are fixedly connected in the two notches of the first joint respectively, and the two movable wedges are vertically and slidingly connected to the inner wall of the second joint.

[0009] Preferably, the two notches of the first joint and the two movable wedges can play a positioning role through cooperation, the two movable wedges and the two fixed wedges are in contact when they are close to each other, the inclined surface of the fixed wedge and the inclined surface of the movable wedge can drive the movable wedge to shrink towards the inner wall of the second joint when they are in contact, and a second spring is arranged between the movable wedge and the inner wall of the second joint.

[0010] Preferably, a separation mechanism is arranged on the second joint, the separation mechanism comprises a groove disc and two sliding shafts, the two sliding shafts are connected to the two movable wedges respectively, the sliding shafts are vertically and slidingly connected to the inner wall of the second joint, the inner wall of the second joint is provided with a cavity, the groove disc is rotatably installed in the cavity of the second joint, the second wire penetrates through the groove disc, two arc-shaped grooves are formed in the groove disc, the two arc-shaped grooves are centrally symmetrically arranged, the two sliding shafts are slidingly connected to the two arc-shaped grooves respectively, when the groove disc rotates, the two movable wedges can be driven to separate from the two fixed wedges through cooperation of the two arc-shaped grooves and the two sliding shafts, a lever is connected to the outer wall of the groove disc, a through groove is formed between the outer wall of the second joint and the cavity, and the lever and the through groove are slidingly connected through penetration.

[0011] Preferably, a sealing ring is sealingly and rotatably connected outside the through groove of the second joint, the lever and the sealing ring are fixedly connected through penetration, two protrusions are installed in the cavity of the second joint, two leaf springs are connected to the two protrusions respectively, and one end of each leaf spring away from the protrusion is connected to the groove disc.

[0012] A motor comprises an electric motor, a controller is installed on the electric motor, and the first wire is connected to the controller.

[0013] From the above technical scheme can be seen, the embodiment of the present application provides a kind of motor wiring structure and motor, at least have the following beneficial effects:

[0014] 1, the utility model discloses the setting of sealing mechanism makes second annular air bag can be inflated and embedded in third annular groove when first joint and second joint butt joint, when splicing is completed, second annular air bag fills third annular groove, forms flexible sealing structure, to effectively block the moisture and impurities from the gap between first joint and second joint intrusion, avoid the short circuit or contact problem of poor caused by damp or dust in first lead and second lead butt joint part.

[0015] 2, the utility model discloses the setting of clamping mechanism makes first joint and second joint butt joint after completion, the vertical surface of two movable wedge blocks is respectively closely attached with the vertical surface of two fixed wedge blocks, forms rigid locking structure, so that first lead and second lead when being subjected to external pulling force, cannot make fixed wedge block reverse and separate from movable wedge block, to realize the stable connection of first joint and second joint, avoid in power supply process, first lead or second lead is disconnected by pulling apart;Through the setting of separation mechanism, staff can release the locking state of clamping mechanism by actuating lever, at this time, staff can easily separate first joint and second joint. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of this application:

[0017] Figure 1 It is the overall schematic diagram of motor of the utility model;

[0018] Figure 2 It is the overall schematic diagram of motor wiring structure of the utility model;

[0019] Figure 3 It is sealing mechanism structure schematic diagram in the utility model;

[0020] Figure 4 It is clamping mechanism structure schematic diagram in the utility model;

[0021] Figure 5 It is separation mechanism structure schematic diagram in the utility model;

[0022] Figure 6 It is groove disc structure schematic diagram in the utility model.

[0023] In the figure: 1, the first wire; 2, the second wire; 3, the first joint; 4, the second joint; 5, the sealing mechanism; 51, the first annular air bag; 52, the air pipe; 53, the second annular air bag; 6, the clamping mechanism; 61, the fixed wedge; 62, the movable wedge; 7, the separation mechanism; 71, the sliding shaft; 72, the groove disc; 73, the lever; 74, the sealing ring; 75, the protrusion; 76, the leaf spring;

[0024] 8, the motor; 9, the controller. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection scope of the utility model. Embodiment 1

[0026] Please refer to Figures 1-6 As shown in the figure, a motor wiring structure, comprising a first wire 1 and a second wire 2, the first wire 1 outer wall is connected with the first joint 3, the second wire 2 outer wall is connected with the second joint 4, the first joint 3 and the second joint 4 can be inserted; the first wire 1 is connected with the motor, and the end portion is provided with a plug, the second wire 2 is connected with the power supply, and the end portion is provided with a socket, after the plug of the first wire 1 is inserted into the socket of the second wire 2, the circuit conduction of the first wire 1 and the second wire 2 can be realized, the motor power supply is realized, and the adaptive structure of the first joint 3 and the second joint 4 can form physical protection for the connection of the first wire 1 and the second wire 2, so that the plug of the first wire 1 and the socket of the second wire 2 are protected from damage.

[0027] Further, the second connector 4 is provided with a sealing mechanism 5, the sealing mechanism 5 comprises a first annular air bag 51 and a second annular air bag 53, the second connector 4 is provided with a first annular groove at the end close to the first connector 3, the outer wall of the second connector 4 in contact with the inner side of the first connector 3 is provided with a second annular groove, the first annular air bag 51 is installed in the first annular groove, the second annular air bag 53 is installed in the second annular groove, a plurality of air pipes 52 are connected between the first annular air bag 51 and the second annular air bag 53, the inner side of the first connector 3 is provided with a third annular groove, the first annular air bag 51 protrudes from the end of the second connector 4, when the first connector 3 and the second connector 4 are inserted, the first annular air bag 51 is extruded, the second annular air bag 53 can be embedded in the third annular groove after expansion, a plurality of first springs are arranged in the first annular air bag 51, the plurality of first springs are used to drive the first annular air bag 51 to expand and reset after the first annular air bag 51 is separated from the first connector 3; when the first connector 3 and the second connector 4 are inserted, the inner wall of the first connector 3 first contacts the first annular air bag 51 protruding from the end of the second connector 4, with the continuous advancement of the insertion action, the first annular air bag 51 is extruded by the first connector 3, the gas in the first annular air bag 51 is uniformly delivered to the second annular air bag 53 through the plurality of air pipes 52, so that the second annular air bag 53 gradually expands in the second annular groove, because the inner side of the first connector 3 is provided with a third annular groove matched with the second annular air bag 53, the second annular air bag 53 after expansion will be accurately embedded in the third annular groove, when the insertion is completed, the second annular air bag 53 fills the third annular groove, forming a flexible sealing structure, thereby effectively blocking the intrusion of external moisture and impurities from the gap between the first connector 3 and the second connector 4, avoiding the short circuit or poor contact problem of the first lead wire 1 and the second lead wire 2 due to damp or dust, when the first connector 3 and the second connector 4 are separated, the first annular air bag 51 loses the extrusion force, the plurality of first springs will rebound rapidly, driving the first annular air bag 51 to expand and reset, at the same time, the gas in the second annular air bag 53 is sucked back to the first annular air bag 51 through the air pipe 52, so that the second annular air bag 53 shrinks back to the second annular groove, without affecting the separation of the first connector 3 and the second connector 4.

[0028] Moreover, the first joint 3 and the second joint 4 are provided with a clamping mechanism 6, the clamping mechanism 6 comprises two fixed wedges 61 and two movable wedges 62, the inner side of the first joint 3 is provided with two notches, the two fixed wedges 61 are fixedly connected in the two notches of the first joint 3 respectively, the two movable wedges 62 are both vertically and slidingly connected to the inner wall of the second joint 4, the movable wedge 62 and the fixed wedge 61 are respectively provided with a vertical surface and an inclined surface, the positions of the two movable wedges 62 correspond to the two notches of the first joint 3, the two notches of the first joint 3 and the two movable wedges 62 can play a positioning role through cooperation, the two movable wedges 62 and the two fixed wedges 61 are in contact when they are close to each other, the inclined surface of the fixed wedge 61 and the inclined surface of the movable wedge 62 can drive the movable wedge 62 to shrink towards the inner wall of the second joint 4, and the second spring is arranged between the movable wedge 62 and the inner wall of the second joint 4; during the insertion process of the first joint 3 and the second joint 4, the positions of the two movable wedges 62 correspond to the two notches of the first joint 3, the notches can play a guiding and positioning role on the movable wedge 62, and the precise butt joint of the two is ensured, when the insertion action continues, the fixed wedge 61 enters the notch and gradually approaches the movable wedge 62, the inclined surface of the fixed wedge 61 will first contact the inclined surface of the movable wedge 62, due to the guiding effect of the inclined surface, the fixed wedge 61 generates a extrusion force towards the inner wall of the second joint 4 to the movable wedge 62, so that the movable wedge 62 overcomes the elastic force of the second spring and shrinks towards the inner wall of the second joint 4, thereby creating space for the further advancement of the fixed wedge 61, when the first joint 3 and the second joint 4 are inserted in place, the fixed wedge 61 passes over the movable wedge 62, and the movable wedge 62 is quickly reset under the action of the elastic force of the second spring, at this time, the vertical surface of the movable wedge 62 and the vertical surface of the fixed wedge 61 are tightly fitted, forming a rigid locking structure, due to the fact that the vertical surfaces cannot generate a relative sliding guiding force, when the first lead 1 and the second lead 2 are subjected to the pulling force of the outside world, the fixed wedge 61 cannot be reversely separated from the movable wedge 62, thereby realizing the stable connection of the first joint 3 and the second joint 4, avoiding the disconnection of the first lead 1 or the second lead 2 due to the pulling during power supply, the two fixed wedges 61 and the two movable wedges 62 are symmetrically arranged, which can make the locking force of the first joint 3 and the second joint 4 more balanced, avoiding the connection deviation or damage caused by unilateral force.

[0029] It is worth mentioning that the second joint 4 is provided with a separation mechanism 7, the separation mechanism 7 comprises a groove disc 72 and two sliding shafts 71, the two sliding shafts 71 are respectively connected to the two movable wedge blocks 62, the sliding shaft 71 is in perpendicular sliding connection with the inner wall of the second joint 4, the inner wall of the second joint 4 is provided with a cavity, the groove disc 72 is rotatably installed in the cavity of the second joint 4, the second wire 2 penetrates through the groove disc 72, two arc-shaped grooves are formed in the groove disc 72, the two arc-shaped grooves are centrally symmetrically arranged, the two sliding shafts 71 are in sliding connection with the two arc-shaped grooves respectively, when the groove disc 72 rotates, the two movable wedge blocks 62 can be driven to be separated from the two fixed wedge blocks 61 through the cooperation of the two arc-shaped grooves and the two sliding shafts 71, the outer wall of the groove disc 72 is connected with a push rod 73, a through groove is formed between the outer wall of the second joint 4 and the cavity, the push rod 73 is in penetrating sliding connection with the through groove, the outer part of the through groove of the second joint 4 is sealingly and rotatably connected with a sealing ring 74, the push rod 73 is in penetrating and fixed connection with the sealing ring 74, two protrusions 75 are installed in the cavity of the second joint 4, two leaf springs 76 are respectively connected to the two protrusions 75, one end of the two leaf springs 76 away from the protrusions 75 is connected with the groove disc 72; when it is needed to separate the first joint 3 from the second joint 4, the staff pushes the push rod 73, so that the push rod 73 slides along the through groove of the second joint 4 and drives the groove disc 72 to rotate, the sealing ring 74 rotates synchronously with the push rod 73 in this process and seals the through groove, so that water or impurities cannot enter the inside of the cavity through the through groove, when the groove disc 72 rotates, the arc-shaped grooves can guide the sliding shafts 71, when the arc-shaped grooves rotate, the sliding shafts 71 connected thereto slide in the direction perpendicular to the inner wall of the second joint 4, so that the two sliding shafts 71 approach each other and drive the two movable wedge blocks 62 to shrink synchronously towards the inner wall of the second joint 4, so that the perpendicular surface of the movable wedge block 62 is separated from the perpendicular surface of the fixed wedge block 61, the locking state of the clamping mechanism 6 is released, at this time, the staff can easily separate the first joint 3 from the second joint 4, when the groove disc 72 is driven to rotate by the push rod 73, the leaf springs 76 will be elastically deformed and generate reverse elastic force, after the staff separates the first joint 3 from the second joint 4, the push rod 73 is released, the elastic force of the two leaf springs 76 drives the groove disc 72 to rotate reversely and reset, and then the movable wedge blocks 62 are driven to reset under the action of the second spring through the cooperation of the arc-shaped grooves and the sliding shafts 71, so that the separation mechanism 7 returns to the initial state, and the push rod 73 is reset, the two leaf springs 76 are centrally symmetrically arranged, so that the force balance of the groove disc 72 during resetting can be ensured.

[0030] Through the arrangement of the sealing mechanism 5, the second annular air bag 53 can be inflated and embedded in the third annular groove when the first joint 3 and the second joint 4 are connected, the second annular air bag 53 fills the third annular groove when the plug-in is completed, a flexible sealing structure is formed, so that the intrusion of external moisture and impurities from the gap between the first joint 3 and the second joint 4 is effectively blocked, and the problem of short circuit or poor contact caused by damp or dust in the joint part of the first wire 1 and the second wire 2 is avoided.

[0031] Through the setting of the clamping mechanism 6, after the butt joint of the first connector 3 and the second connector 4 is completed, the vertical surfaces of the two movable wedge blocks 62 are tightly fitted with the vertical surfaces of the two fixed wedge blocks 61, forming a rigid locking structure, so that the first wire 1 and the second wire 2 cannot make the fixed wedge blocks 61 reverse and disengage from the movable wedge blocks 62 when subjected to external pulling force, thereby realizing the stable connection of the first connector 3 and the second connector 4, and avoiding that the first wire 1 or the second wire 2 is disconnected due to pulling during power supply. Through the setting of the separation mechanism 7, the staff can release the locking state of the clamping mechanism 6 by rotating the lever 73, at which time the staff can easily separate the first connector 3 and the second connector 4. Embodiment 2

[0032] Please refer to Figure 1 As shown in the figure, a motor adopts the above-mentioned motor wiring structure, further comprising a motor 8, the motor 8 is provided with a controller 9, the first wire 1 is connected with the controller 9, after the plug of the first wire 1 is inserted into the socket of the second wire 2, power supply to the motor 8 can be realized, so that the controller 9 drives the motor to run, and through the setting of the sealing mechanism 5 and the clamping mechanism 6, the safety and stability of power supply are ensured.

[0033] In use, the first connector 3 and the second connector 4 are inserted, in the insertion process, the first annular gas bag 51 protruding in the first annular groove at the end of the second connector 4 is first extruded by the inner wall of the first connector 3, the gas in the first annular gas bag 51 is transported to the second annular gas bag 53 in the second annular groove of the outer wall of the second connector 4 through the plurality of gas pipes 52, so as to make the second annular gas bag 53 swell and embed in the third annular groove at the inner side of the first connector 3 to form a flexible seal, at the same time, the two fixed wedge blocks 61 in the slot at the inner side of the first connector 3 gradually approach the two movable wedge blocks 62 vertically and slidingly connected to the inner wall of the second connector 4 through the insertion action, the inclined surface of the fixed wedge block 61 contacts with the inclined surface of the movable wedge block 62 and drives the latter to overcome the elastic force of the second spring and shrink towards the inner wall of the second connector 4, after the insertion is in place, the movable wedge block 62 is reset under the action of the second spring, the vertical surface thereof is tightly fitted with the vertical surface of the fixed wedge block 61 to form a rigid locking, realizing the circuit conduction of the first wire 1 and the second wire 2 to supply power to the motor 8.

[0034] When it is needed to disconnect, the staff pulls the lever 73 to drive the groove disc 72 to rotate, the groove disc 72 drives the two sliding shafts 71 to approach each other through the two arc-shaped grooves, the two sliding shafts 71 drive the two movable wedge blocks 62 to shrink synchronously, so that the two movable wedge blocks 62 are separated from the fixed wedge block 61 to release the locking of the clamping mechanism 6, in this process, the leaf spring 76 on the protrusion 75 in the cavity of the second joint 4 elastically deforms, the staff can easily separate the first joint 3 from the second joint 4, after separation, the lever 73 is released, the elastic force of the leaf spring 76 drives the groove disc 72 to rotate reversely and reset, the movable wedge block 62 is reset through the cooperation of the arc-shaped groove and the sliding shaft 71, and the plurality of first springs in the first annular air bag 51 drive the first annular air bag 51 to expand and reset, the whole separation mechanism 7 returns to the initial state.

[0035] The above implementation manners are only used for describing the embodiments of the present application, and are not intended to limit the embodiments of the present application. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the embodiments of the present application. Therefore, all equivalent technical solutions belong to the scope of the embodiments of the present application, and the patent protection scope of the embodiments of the present application should be defined by the claims.

Claims

1. An electrical machine connection structure comprising a first conductor (1) and a second conductor (2), characterized in that: The first wire (1) is connected with a first connector (3), the second wire (2) is connected with a second connector (4), and the first connector (3) and the second connector (4) can be inserted; The second connector (4) is provided with a sealing mechanism (5), the sealing mechanism (5) comprises a first annular air bag (51) and a second annular air bag (53), the end of the second connector (4) close to the first connector (3) is provided with a first annular groove, the outer wall of the second connector (4) in contact with the inner side of the first connector (3) is provided with a second annular groove, the first annular air bag (51) is installed in the first annular groove, the second annular air bag (53) is installed in the second annular groove, a plurality of air pipes (52) are connected between the first annular air bag (51) and the second annular air bag (53), and the inner side of the first connector (3) is provided with a third annular groove.

2. An electrical machine connection arrangement according to claim 1, characterised in that: The first annular air bag (51) protrudes from the end of the second connector (4), when the first connector (3) and the second connector (4) are inserted, the first annular air bag (51) is extruded, and the second annular air bag (53) can be embedded in the third annular groove after expansion.

3. An electrical machine connection arrangement according to claim 2, characterised in that: A plurality of first springs are arranged in the first annular air bag (51), and the plurality of first springs are used to drive the first annular air bag (51) to expand and reset after the first annular air bag (51) is separated from the first connector (3).

4. An electrical machine connection arrangement according to claim 3, characterised in that: A clamping mechanism (6) is arranged between the first connector (3) and the second connector (4), the clamping mechanism (6) comprises two fixed wedges (61) and two movable wedges (62), the inner side of the first connector (3) is provided with two notches, the two fixed wedges (61) are respectively fixedly connected in the two notches of the first connector (3), and the two movable wedges (62) are both vertically and slidingly connected to the inner wall of the second connector (4). The movable wedge (62) and the fixed wedge (61) are respectively provided with a vertical surface and an inclined surface, and the positions of the two movable wedges (62) correspond to the two notches of the first connector (3).

5. An electrical machine connection arrangement according to claim 4, characterised in that: The two notches of the first connector (3) and the two movable wedges (62) can play a positioning role through cooperation, the two movable wedges (62) and the two fixed wedges (61) are in contact when they are close to each other, the inclined surface of the fixed wedge (61) and the inclined surface of the movable wedge (62) can drive the movable wedge (62) to shrink towards the inner wall of the second connector (4) when they are in contact, and a second spring is arranged between the movable wedge (62) and the inner wall of the second connector (4).

6. An electrical machine connection arrangement according to claim 5, characterised in that: The second joint (4) is provided with a separation mechanism (7), the separation mechanism (7) comprises a groove disc (72) and two sliding shafts (71), the two sliding shafts (71) are connected on two movable wedge blocks (62) respectively, the sliding shaft (71) is in perpendicular sliding connection with the inner wall of the second joint (4), the inner wall of the second joint (4) is provided with a cavity, the groove disc (72) is rotatably installed in the cavity of the second joint (4), the second wire (2) penetrates through the groove disc (72), two arc-shaped grooves are formed in the groove disc (72), the two arc-shaped grooves are centrally symmetrically arranged, the two sliding shafts (71) are in sliding connection with the two arc-shaped grooves respectively, when the groove disc (72) rotates, the two movable wedge blocks (62) can be driven to be separated from the two fixed wedge blocks (61) through the cooperation of the two arc-shaped grooves and the two sliding shafts (71), the outer wall of the groove disc (72) is connected with a lever (73), a through groove is formed between the outer wall of the second joint (4) and the cavity, the lever (73) is in sliding connection with the through groove in penetration.

7. An electrical machine connection arrangement according to claim 6, characterised in that: The outer part of the through groove of the second joint (4) is sealingly and rotatably connected with a sealing ring (74), the lever (73) is fixedly connected with the sealing ring (74) in penetration, two protrusions (75) are installed in the cavity of the second joint (4), two leaf springs (76) are connected on the two protrusions (75) respectively, the ends, away from the protrusions (75), of the two leaf springs (76) are connected with the groove disc (72).

8. An electric machine characterized by: The motor wiring structure comprises the motor (8), and the motor (8) is provided with the controller (9); the first wire (1) is connected with the controller (9).

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