High-temperature-resistant EC motor with separated and built-in control panel

Abstract

The utility model relates to a high temperature resistant EC motor with a separated built-in control panel, which comprises a rear end cover and a rotor, the control panel is fixed at the inner bottom of the rear end cover, a middle end cover is arranged at the top of the rear end cover, a front end cover is arranged at the top of the middle end cover, the middle end cover is fixed between the rear end cover and the front end cover through a screw fastener, and the rotor is fixed between the rear end cover and the front end cover through a screw fastener. A stator is connected into the middle end cover in a clamped mode, one end of the rotor is rotationally connected into the middle end cover through a rear bearing, the rotor is arranged on the inner side of the stator, the other end of the rotor is rotationally connected to the front end cover through a front bearing, and the rotor penetrates through the front end cover. According to the high-temperature-resistant EC motor with the built-in control panel separated, the control panel and the motor are installed in an isolated and independent mode, silica gel is directly added to the control panel and the shell to conduct heat and dissipate heat, the product reliability is better, the design mode that the control panel and the shell are separated is adopted, the trouble of replacing parts of defective products is reduced, and the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to EC motor technical field, concretely is a kind of high-temperature-resistant EC motor of control panel separation built-in. BACKGROUND

[0002] EC motor is the digital motor of built-in intelligent control module, with EC motor being gradually recognized by each industry, market also puts forward higher requirement to EC motor, especially the service life requirement of EC motor reaches 15 years or even longer in subway, tunnel and other application occasions.

[0003] It is found that the EC motor in the prior art is typical, such as the public number CN219018594U, a kind of EC motor.The EC motor includes motor main body, control box and fan blade.Motor main body includes shell component, rotating shaft, stator and rotor, shell component is surrounded to form installation cavity, rotating shaft is rotatably arranged in installation cavity, and the both ends of rotating shaft are stretched outside shell component, stator is arranged in installation cavity, rotor is rotatably arranged in the inside of stator, and rotor is fixedly sleeved on rotating shaft;Control box is arranged outside shell component and located at the first end of rotating shaft, first air duct is arranged on control box, first air duct is arranged in control box and extends along the axis direction of rotating shaft;Fan blade is arranged between control box and shell component, fan blade is sleeved on rotating shaft and rotates under the driving of rotating shaft.The present application can solve the problem that the mode for the EC motor of the prior art using the increasing heat dissipation area or increasing external fan is prone to cause the application scene of EC motor to be limited.

[0004] Traditional DC EC motor needs to install control panel on stator, and the high temperature and the change of magnetic field of stator will affect and interfere with the components and chips of control panel, cause unstable performance and low reliability, for the above problems, the existing equipment needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-temperature-resistant EC motor of control panel separation built-in, to solve the problem that traditional DC EC motor needs to install control panel on stator in the above background art, and the high temperature and the change of magnetic field of stator will affect and interfere with the components and chips of control panel, cause unstable performance and low reliability.

[0006] The utility model provides a kind of control panel separates built-in high-temperature-resistant EC motor, including rear end cover and rotor, the inner bottom of rear end cover is fixed with control panel, the top of rear end cover is provided with middle end cover, the top of middle end cover is provided with front end cover, middle end cover is fixed between rear end cover and front end cover by screw fastener, stator is engagedly connected in middle end cover, one end of rotor is rotatably connected in middle end cover by rear bearing, rotor is arranged in the inside of stator, the other end of rotor is rotatably connected on front end cover by front bearing, rotor penetrates front end cover.

[0007] Preferably, the top of the rear end cover is provided with a coil outlet slot, and the bottom of the middle end cover is fixed with a coil outlet buckle corresponding to the coil outlet slot.

[0008] Preferably, the stator adopts a whole-circle iron core concentrated winding.

[0009] Preferably, a first waterproof sealing ring is engagedly connected between the rear end cover and the middle end cover, and a second waterproof sealing ring is engagedly connected between the middle end cover and the front end cover.

[0010] Preferably, an oil seal rubber ring is engagedly connected between the front end cover and the front bearing.

[0011] The technical means of the utility model can obtain the following technical effects:

[0012] 1. The control panel separates built-in high-temperature-resistant EC motor can achieve the purpose of independent installation and isolation of the built-in control panel and the motor body. The control panel and the motor are installed in isolation and independence. The control panel is directly filled with silica gel for heat conduction and heat dissipation, which makes the product more reliable. The separated design reduces the trouble of replacing parts of defective products and improves the operation efficiency.

[0013] 2. The control panel separates built-in high-temperature-resistant EC motor can achieve the purpose of sealing and waterproof. By setting the first waterproof sealing ring and the second waterproof sealing ring in the shell, the motor can be more durable under high temperature and low temperature conditions. The oil seal rubber ring can prevent external water from entering the interior, especially in high humidity conditions, which prolongs the service life and reliability of the motor.

[0014] 3. The control panel separates built-in high-temperature-resistant EC motor can achieve the purpose of adjustable motor speed. By rotating the potentiometer knob on the external speed regulation wire harness, the speed of the motor can be controlled. The running speed can be automatically or manually adjusted according to different load requirements, which not only improves the energy utilization efficiency, but also enhances the flexibility of product use.

[0015] 4、The control panel separates the built-in high-temperature-resistant EC motor, which can achieve the purpose of high-temperature and low-temperature adaptability, and compared with the traditional direct-current EC motor, the motor has a wider temperature range adaptability, and can work stably in different environments, prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is an explosion structure schematic view of the utility model;

[0017] Fig. 2 It is a three-dimensional structure schematic view of the utility model;

[0018] Fig. 3 It is a top view structure schematic view of the utility model;

[0019] Fig. 4 It is a rear end cover and control panel connection structure schematic view of the utility model;

[0020] Fig. 5 It is a middle end cover and wire loop buckle connection structure schematic view of the utility model;

[0021] Fig. 6 It is a front end cover, screw fastener and rotor connection structure schematic view of the utility model.

[0022] In the drawing: 1, rear end cover; 2, control panel; 3, wire loop groove; 4, middle end cover; 5, first waterproof sealing ring; 6, wire loop buckle; 7, stator; 8, front end cover; 9, second waterproof sealing ring; 10, screw fastener; 11, rotor; 12, rear bearing; 13, front bearing; 14, oil seal rubber ring. DETAILED DESCRIPTION

[0023] 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

[0024] The preferred embodiment of the control panel separates the built-in high-temperature-resistant EC motor provided by the utility model, which can achieve the purpose of high-temperature and low-temperature adaptability, and compared with the traditional direct-current EC motor, the motor has a wider temperature range adaptability, and can work stably in different environments, prolonging the service life. Figs. 1 to 3As shown, including rear end cover 1 and rotor 11, the inner bottom of rear end cover 1 is fixed with control panel 2, the top of rear end cover 1 is provided with middle end cover 4, the top of middle end cover 4 is provided with front end cover 8, middle end cover 4 is fixed between rear end cover 1 and front end cover 8 through screw fastener 10, stator 7 is clamped and connected in middle end cover 4, one end of rotor 11 is rotatably connected in middle end cover 4 through rear bearing 12, rotor 11 is arranged on the inner side of stator 7, the other end of rotor 11 is rotatably connected on front end cover 8 through front bearing 13, rotor 11 penetrates front end cover 8, rotor 11 is made of rare earth material, and also made of ferrite material and plastic magnetic material.

[0025] In the embodiment, the top of the rear end cover 1 is provided with a coil outlet slot 3, and the bottom of the middle end cover 4 is fixed with a coil outlet buckle 6, and the coil outlet buckle 6 is correspondingly arranged with the coil outlet slot 3. The use of the coil outlet slot 3 and the coil outlet buckle 6 can ensure that the power cord can withstand sufficient pulling force and sealing performance.

[0026] Further, the stator 7 adopts a whole circle core concentrated winding, which ensures the concentricity and optimizes the noise and vibration. Embodiment

[0027] Based on the embodiment 1, the control panel of the high-temperature-resistant EC motor is separated and built-in. Figs. 4 to 6 As shown,

[0028] In the embodiment, the first waterproof sealing ring 5 is clamped and connected between the rear end cover 1 and the middle end cover 4, and the second waterproof sealing ring 9 is clamped and connected between the middle end cover 4 and the front end cover 8. The first waterproof sealing ring 5 and the second waterproof sealing ring 9 can play a sealing and waterproof role, so that the overall structure is more compact and firm.

[0029] Further, the oil seal rubber ring 14 is clamped and connected between the front end cover 8 and the front bearing 13, and the oil seal rubber ring 14 can play a role in strengthening the sealing.

[0030] In use, the middle end cover 4 is placed on the top of the rear end cover 1, the front end cover 8 is placed on the top of the middle end cover 4, and the rear end cover 1, the middle end cover 4 and the front end cover 8 are fixed together by the screw fastener 10. The first waterproof sealing ring 5 is clamped and connected between the rear end cover 1 and the middle end cover 4, the second waterproof sealing ring 9 is clamped and connected between the front end cover 8 and the middle end cover 4, and the stator 7 is clamped and connected in the middle end cover 4. After the device is powered on, the rotor 11 rotates relative to the stator 7, and the rear bearing 12 and the front bearing 13 play a supporting and assisting role in the process of rotating the rotor 11, which completes the whole work.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant EC motor with built-in control board separation, comprising a rear end cover (1) and a rotor (11), characterized in that: The inner bottom of the rear end cover (1) is fixed with a control board (2), the top of the rear end cover (1) is provided with a middle end cover (4), the top of the middle end cover (4) is provided with a front end cover (8), the middle end cover (4) is fixed between the rear end cover (1) and the front end cover (8) through a screw fastener (10), the middle end cover (4) is clamped and connected with a stator (7) inside, one end of the rotor (11) is rotatably connected in the middle end cover (4) through a rear bearing (12), the rotor (11) is arranged on the inner side of the stator (7), the other end of the rotor (11) is rotatably connected on the front end cover (8) through a front bearing (13), and the rotor (11) penetrates the front end cover (8).

2. A high temperature resistant EC motor with built-in board separation as claimed in claim 1, characterized in that: The top of the rear end cover (1) is provided with a wire outlet groove (3), the bottom of the middle end cover (4) is fixed with a wire outlet buckle (6), and the wire outlet buckle (6) is correspondingly arranged with the wire outlet groove (3).

3. A high temperature resistant EC motor with built-in board separation as claimed in claim 1, wherein: The stator (7) adopts a whole round core centralized winding.

4. A high temperature resistant EC motor with built-in board separation as defined in claim 1, wherein: The first waterproof sealing ring (5) is clamped and connected between the rear end cover (1) and the middle end cover (4), and the second waterproof sealing ring (9) is clamped and connected between the middle end cover (4) and the front end cover (8).

5. A high temperature resistant EC motor with built-in board separation as defined in claim 1, wherein: The oil seal rubber ring (14) is clamped and connected between the front end cover (8) and the front bearing (13).

Images