CN210608841U

CN210608841U - Controller motor integral type structure

Info

Publication number: CN210608841U
Application number: CN201922093521.7U
Authority: CN
Inventors: 卓文伟; 张雪男; 董文功; 檀义才
Original assignee: Anhui CRRC Ruida Electric Co Ltd
Current assignee: Anhui CRRC Ruida Electric Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-05-22
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a controller motor integral type structure in controller technical field, including motor and controller, the controller is located the inner chamber top center of motor, be equipped with the wiring chamber between the top right side of controller and motor, the outside of motor is equipped with motor housing for supporting motor element, motor housing's inner wall is equipped with motor stator, motor stator's inner wall is equipped with motor rotor, motor rotor's inner wall is vertical to be pegged graft there is motor bearing, and motor bearing's bottom extends to the below of motor housing, motor bearing's top is equipped with resolver, and resolver and motor housing's inner wall spiro union; the utility model discloses a cost is saved in motor and controller integration, reduces the trouble node, and reduce cost, simple structure, save space have reduced the volume, have saved wire and connector, but also because the design of wiring passageway is internal, can effectively avoid the gathering of dust on the electric wire.

Description

Controller motor integral type structure

Technical Field

The utility model relates to a controller technical field, concretely relates to controller motor integral type structure.

Background

The motor controller integrated motor is mainly applied to a monorail crane, and the monorail crane is one of advanced auxiliary devices for conveying materials, equipment and personnel under a coal mine, particularly in a mining area, a mountain and a working face roadway. The monorail cranes are divided into a wire rope traction monorail crane and a locomotive traction monorail crane according to traction equipment, wherein the locomotive traction monorail crane is divided into a diesel engine monorail crane locomotive and a storage battery monorail crane locomotive. In the mining electric drive system, the mining motor needs to be controlled by a motor controller, at present, the mounting modes of the mining motor and the motor controller are mostly split, under the condition, the driving motor and the motor controller need to be connected through three-phase lines, an electric protection device needs to be arranged, the cost is increased, fault nodes are increased, and in addition, the split mounting mode can occupy larger space, so that the whole equipment is larger in size. Based on this, the utility model designs a controller motor integral type structure to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a controller motor integral type structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a controller and motor integrated structure comprises a motor and a controller, wherein the controller is positioned in the center of the top of an inner cavity of the motor, a wiring cavity is arranged between the controller and the right side of the top of the motor, a motor shell is arranged outside the motor and used for supporting a motor element, a motor stator is arranged on the inner wall of the motor shell, a motor rotor is arranged on the inner wall of the motor stator, a motor bearing is vertically inserted into the inner wall of the motor rotor, the bottom of the motor bearing extends to the lower part of the motor shell, a rotary transformer is arranged at the top of the motor bearing and is in threaded connection with the inner wall of the motor shell, a binding post and a high-voltage direct current positive and negative binding post are respectively in threaded connection with the right side of the top of the inner cavity of the motor shell through screws, a heat dissipation purple copper plate is in threaded connection with the outer wall of the top, the utility model provides a power board, the top in wiring chamber has wiring chamber end cover through the screw spiro union, the fixed power board that is equipped with of nylon post is passed through on motor housing's inner wall left side, the fixed main control board that is equipped with of copper post is passed through on the left side of the surface of power board, the welding has current sensor on the main control board, the surperficial central authorities welding of power board has IGBT power module, and the top of IGBT power module passes through the screw and is connected with the red copper board that dispels the heat, the welding of the surperficial right side of power board has.

Preferably, motor housing's inner wall spiro union has motor controller casing, motor controller casing's inner chamber is equipped with motor controller, the spiro union has the terminal box on the motor controller casing, terminal and high-voltage direct current positive and negative terminal are located the top left and right sides of terminal box respectively, be connected with motor controller low pressure pencil connector and resolver on the terminal box respectively, motor housing's outer wall is equipped with front end housing and flange respectively, motor controller includes casing and upper cover, the upper cover is connected with casing detachable, and motor housing's through-hole setting is passed through in positive, negative pole input on motor housing.

Preferably, the binding posts comprise a CANH binding post, a CANL binding post, a low-voltage positive binding post and a low-voltage negative binding post.

Preferably, heat-conducting silicone grease is coated between the heat-radiating copper plate and the contact surfaces of the motor shell and the IGBT power module.

Preferably, the alternating current output terminal of the IGBT power module is electrically connected with a copper sleeve of a stator wire of the motor, the positive input and the negative input are electrically connected with external direct current through an explosion-proof terminal, and the three-phase alternating current output penetrates through the through hole of the main control board.

Preferably, the power board is connected with a signal line led out from the position of a signal driving interface of the main control board, a current sensor is welded on the main control board, and the stator line of the motor passes through the through hole of the main control board.

Preferably, the main control board comprises a central processing unit (MCU) and a peripheral detection circuit, the central processing unit (MCU) is electrically connected with the peripheral detection circuit, the power board is provided with a Pulse Width Modulation (PWM) driving circuit, the Insulated Gate Bipolar Transistor (IGBT) power module is electrically connected with the PWM driving circuit, and a power circuit, a PWM signal logic processing circuit, a PWM signal hardware interlocking circuit, a hardware fault logic processing signal module and an IGBT temperature signal processing circuit are respectively connected between the central processing unit (MCU) and the PWM driving circuit.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model saves cost and reduces fault nodes through the integration of the motor and the controller, greatly increases the space utilization rate due to the compact structural design of the motor and the motor controller, reduces cost, has simple structure and saves space; because the motor, the controller and the electric wires between the motor and the controller are all accommodated in the machine body, the motor and the controller are integrated, compared with the traditional structure, the volume is reduced, the conducting wires and the connecting heads are saved, and the accumulation of dust on the electric wires can be effectively avoided due to the design of the wiring channel in the machine body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the connection structure of the motor and the controller of the present invention.

Fig. 2 is a sectional view of the structure of the present invention.

Fig. 3 is a schematic view of the structure of the motor of the present invention.

Fig. 4 is a schematic diagram of the operation process of the functional system diagram of the controller of the present invention.

Fig. 5 is an electrical schematic diagram of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the high-voltage direct current power supply comprises a direct current joint 1, a wiring terminal 2, a heat dissipation copper plate 3, an IGBT power module 4, a power board 5, a main control board 6, a current sensor 7, a motor rotor 8, a motor stator 9, a wiring cavity end cover 10, a wiring cavity 11, high-voltage direct current positive and negative wiring terminals 12, a bus supporting capacitor 13, a rotary transformer 14, a motor shell 15, a motor bearing 16, a motor 20 and a controller 30.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a controller and motor integrated structure comprises a motor 20 and a controller 30, wherein the controller 30 is positioned in the center of the top of an inner cavity of the motor 20, a wiring cavity 11 is arranged between the controller 30 and the right side of the top of the motor 20, a motor shell 15 is arranged outside the motor 20 and used for supporting motor elements, a motor stator 9 is arranged on the inner wall of the motor shell 15, a motor rotor 8 is arranged on the inner wall of the motor stator 9, a motor bearing 16 is vertically inserted into the inner wall of the motor rotor 8, the bottom of the motor bearing 16 extends to the lower side of the motor shell 15, a rotary transformer 14 is arranged on the top of the motor bearing 16, the rotary transformer 14 is in threaded connection with the inner wall of the motor shell 15, a binding post 2 and a high-voltage direct-current positive and negative binding post 12 are respectively in threaded connection with the right side of the top of the inner cavity of the motor shell 15, the left side intercommunication in wiring chamber 11 is equipped with through festival 1, be used for the inlet wire, wiring chamber end cover 10 has been passed through the screw spiro union in wiring chamber 11's top, the fixed power board 5 that is equipped with of nylon post is passed through on motor housing 15's the inner wall left side, the fixed main control board 6 that is equipped with of copper post is passed through on power board 5's the surface left side, the welding has current sensor 7 on the main control board 6, the welding of power board 5's surperficial central authorities has IGBT power module 4, and the top of IGBT power module 4 is passed through the screw and is connected with heat dissipation copper plate 3, all scribble heat conduction silicone grease between the contact surface of heat dissipation copper plate 3 and motor housing 15 and IGBT power module 4, the welding.

The inner wall spiro union of motor housing 15 has motor controller casing, the inner chamber of motor controller casing is equipped with motor controller, the spiro union has the terminal box on the motor controller casing, terminal 2 and high-voltage direct current positive and negative terminal 12 are located the top left and right sides of terminal box respectively, be connected with motor controller low pressure pencil connector and resolver 14 on the terminal box respectively, motor housing 15's outer wall is equipped with front end housing and flange respectively, motor controller includes casing and upper cover, the upper cover is connected with the casing is detachable, just, the through-hole setting that motor housing 15 was passed through in the negative pole input is on motor housing 15.

The binding post 2 comprises a CANH binding post, a CANL binding post, a low-voltage positive binding post and a low-voltage negative binding post.

An alternating current output terminal of the IGBT power module 4 is electrically connected with a 9-wire copper sleeve of the motor stator, a positive input and a negative input are electrically connected with external direct current through an explosion-proof terminal, and a three-phase alternating current output passes through a through hole of the main control board 6.

The power board 5 is connected with a signal line led out from the signal driving interface position of the main control board 6, a current sensor is welded on the main control board 6, and a stator wire of the motor stator 9 passes through a through hole of the main control board 6.

The main control board 6 comprises a central processing unit MCU and a peripheral detection circuit, the central processing unit MCU is electrically connected with the peripheral detection circuit, a PWM driving circuit is arranged on the power board 5, the IGBT power module 4 is electrically connected with the PWM driving circuit, and a power supply circuit, a PWM signal logic processing circuit, a PWM signal hardware interlocking circuit, a hardware fault logic processing signal module and an IGBT temperature signal processing circuit are respectively connected between the central processing unit MCU and the PWM driving circuit.

Bus bar support capacitance 13: the peak voltage Vce when the IGBT tube is turned off is reduced, the situation that the Vce is too high is prevented, and the IGBT breaks down.

The main control board 6: the DSP chip is used for controlling the controller, current sampling, temperature sampling, motor position detection and PWM wave output.

Power board 5: IGBT and gate drive circuit.

The IGBT power module 4: and inverting the direct current to convert the high-voltage direct current into three-phase alternating current and outputting the three-phase alternating current to the motor.

And all chips of the controller are powered through the controller power supply module.

One specific application of this embodiment is:

the working process is as follows:

and a low-voltage (9-36V) wire harness enters the wiring cavity through the through joint and enters the circuit board through the wiring terminal, and the circuit board converts and stabilizes the low-voltage wire harness at each level of voltage to supply power to the circuit board chip.

After the control panel is electrified, collecting the position and the rotating speed of a motor; judging whether overcurrent, overvoltage and undercurrent, undervoltage exist or not, and if so, protecting; outputting PWM waves to drive the IGBT module; and the related parameters of the controller are interacted with the upper computer through the CAN and the serial port.

High voltage electricity (rated 320V) is connected into a wiring cavity through a direct joint, enters a power board through a wiring terminal, enters an IGBT module through a supporting capacitor, outputs three-phase alternating current through the IGBT, and is connected into a motor stator winding to drive a motor.

The monorail crane is mainly applied to monorail cranes, and is one of advanced auxiliary devices for conveying materials, equipment and personnel under coal mines, particularly in stopes and working face galleries.

The cost is saved, the fault nodes are reduced, and in addition, the space utilization rate is greatly increased due to the compact structural design of the motor and motor controller integrated machine. The motor controller is of an integrated structure, so that the cost is reduced, the structure is simple, and the space is saved; because the motor, the controller and the electric wires between the motor and the controller are all accommodated in the machine body, the motor and the controller are integrated, compared with the traditional structure, the volume is reduced, the conducting wires and the connecting heads are saved, and the accumulation of dust on the electric wires can be effectively avoided due to the design of the wiring channel in the machine body.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the supply also belongs to the common general knowledge in this field, and the utility model discloses mainly used protection architecture, so the utility model discloses no longer explain control mode and circuit connection in detail.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A controller motor integral type structure, includes motor (20) and controller (30), its characterized in that: the controller (30) is located in the center of the top of an inner cavity of the motor (20), a wiring cavity (11) is arranged between the controller (30) and the right side of the top of the motor (20), a motor shell (15) is arranged outside the motor (20) and used for supporting motor elements, a motor stator (9) is arranged on the inner wall of the motor shell (15), a motor rotor (8) is arranged on the inner wall of the motor stator (9), a motor bearing (16) is vertically inserted into the inner wall of the motor rotor (8), the bottom of the motor bearing (16) extends to the lower side of the motor shell (15), a rotary transformer (14) is arranged on the top of the motor bearing (16), the rotary transformer (14) is in threaded connection with the inner wall of the motor shell (15), a terminal (2) and a high-voltage direct current positive and negative terminal (12) are respectively in threaded connection with the right side of the top of the inner cavity of the, the utility model discloses a solar energy power generation device, including motor housing (15), wiring chamber (11), the top outer wall at the top of motor housing (15) has heat dissipation copper plate (3) through the screw spiro union, the left side intercommunication of wiring chamber (11) is equipped with through festival (1) for the inlet wire, the top of wiring chamber (11) has wiring chamber end cover (10) through the screw spiro union, the inner wall left side of motor housing (15) is equipped with power board (5) through the fixed power board (5) that is equipped with of nylon post, the surperficial left side of power board (5) is equipped with main control board (6) through the copper post is fixed, the welding has current sensor (7) on main control board (6), the surperficial central authorities welding of power board (5) has IGBT power module (4), and the top of IGBT power module (4) passes through the screw and is connected with.

2. The controller-motor integrated structure according to claim 1, wherein: the inner wall spiro union of motor housing (15) has motor controller casing, the inner chamber of motor controller casing is equipped with motor controller, the spiro union has the terminal box on the motor controller casing, terminal (2) and high-voltage direct current positive and negative terminal (12) are located the top left and right sides of terminal box respectively, be connected with motor controller low pressure pencil connector and resolver (14) on the terminal box respectively, the outer wall of motor housing (15) is equipped with front end housing and flange respectively, motor controller includes casing and upper cover, the upper cover is connected with the casing is detachable, just, the negative pole input passes through the through-hole setting of motor housing (15) on motor housing (15).

3. The controller-motor integrated structure according to claim 1, wherein: the binding post (2) comprises a CANH binding post, a CANL binding post, a low-voltage positive binding post and a low-voltage negative binding post.

4. The controller-motor integrated structure according to claim 1, wherein: and heat-conducting silicone grease is coated between the heat-radiating red copper plate (3) and the contact surfaces of the motor shell (15) and the IGBT power module (4).

5. The controller-motor integrated structure according to claim 1, wherein: and an alternating current output terminal of the IGBT power module (4) is electrically connected with a wire copper sleeve of the motor stator (9), a positive input and a negative input are electrically connected with external direct current through an explosion-proof terminal, and a three-phase alternating current output penetrates through a through hole of the main control board (6).

6. The controller-motor integrated structure according to claim 1, wherein: the power board (5) is connected with a signal line led out from the signal driving interface position of the main control board (6), a current sensor is welded on the main control board (6), and a stator line of the motor stator (9) penetrates through a through hole of the main control board (6).

7. The controller-motor integrated structure according to claim 1, wherein: the main control board (6) comprises a central processing unit MCU and a peripheral detection circuit, the central processing unit MCU is electrically connected with the peripheral detection circuit, a PWM driving circuit is arranged on the power board (5), the IGBT power module (4) is electrically connected with the PWM driving circuit, and a power supply circuit, a PWM signal logic processing circuit, a PWM signal hardware interlocking circuit, a hardware fault logic processing signal module and an IGBT temperature signal processing circuit are respectively connected between the central processing unit MCU and the PWM driving circuit.