High-temperature-resistant speed-regulating EC motor
By designing a high-temperature resistant speed-regulating EC motor, and adopting a structure including a protective housing, DC motor body, EC control board, and heat dissipation fan blades, the problems of single speed regulation and insufficient high-temperature resistance of EC motors are solved, realizing efficient and flexible application and high-efficiency operation, suitable for a variety of scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-03-27
AI Technical Summary
Existing EC motors have a single speed control method, limited applicability, and generally poor high-temperature resistance. After prolonged operation, the surface temperature rises, affecting performance.
A high-temperature resistant speed-regulating EC motor was designed, comprising a protective housing, a DC motor body, an EC control board, heat dissipation fan blades, and heat insulation columns. It supports wired and remote speed regulation, has diverse speed regulation methods, and improves high-temperature resistance through independent power supply and efficient heat dissipation structure.
It achieves flexible and diverse application scenario adaptation, improves motor efficiency and protection performance, and is suitable for home, industrial and outdoor commercial scenarios. The motor efficiency is 20%-40% higher, it can operate stably in high temperature environments, and has excellent protection performance.
Smart Images

Figure CN224054063U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to EC motor technical field, concretely is a kind of high-temperature-resistant speed-regulating EC motor. BACKGROUND
[0002] EC motor is the DC brushless type maintenance-free motor of built-in intelligent control module, the product has high intelligence, high energy saving, high efficiency, long service life, small vibration, low noise and the characteristics such as continuous uninterrupted work.
[0003] It is found that the EC motor in the prior art is typically as authorized number CN209088713U, a kind of outer rotor EC motor, including motor body and volute, further including the end cap for connecting motor body and volute, end cap includes the end cap body for being connected with motor body, the connecting shaft for being connected with volute, the first boss for installing connecting shaft, and the second boss for connecting end cap body and first boss;End cap is the rotary body structure coaxially arranged with motor body and volute.The outer rotor EC motor provided by the utility model has simple structure, convenient and reliable connection, can ensure that motor body and volute have higher coaxiality, so that the transmission efficiency between motor body and volute can be improved, and starting noise is reduced.
[0004] In summary, the existing EC motor speed-regulating mode is relatively single, the applicable range is limited, and the high-temperature resistance performance is general. When the operation time is too long, the surface temperature will become higher and higher, which affects the use performance. In view of 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 speed-regulating EC motor to solve the problems of the existing EC motor speed-regulating mode being relatively single, the applicable range being limited, and the high-temperature resistance performance being general in the above background art.
[0006] The utility model provides a kind of high-temperature-resistant speed-regulating EC motor, including protective casing and DC motor body, the bottom of protective casing is provided with rear end cap, the upper end surface of rear end cap is fixed with EC control panel, EC control panel extends into protective casing, the output end of DC motor body is connected with motor shaft, motor shaft penetrates front end cap, front end cap is fixed at the top of DC motor body by bolt, DC motor body extends into protective casing, front end cap is located at the top of protective casing, the outer side of motor shaft is fixed with heat dissipation fan blade, the upper end surface of front end cap is fixed with heat insulation column.
[0007] Preferably, the upper end surface of the EC control panel is fixed with a power adapter.
[0008] Preferably, the bottom of the protective shell is provided with a clamping groove, the upper end face of the rear end cover is fixed with a waterproof sealing outlet coil, and the waterproof sealing outlet coil is clamped and connected in the clamping groove.
[0009] Preferably, the protective shell, the rear end cover and the front end cover are fixed together by screws.
[0010] Preferably, the heat insulation column is provided with four, and the four heat insulation columns are uniformly distributed on the front end cover.
[0011] The technical means of the utility model can obtain the technical effects:
[0012] 1. The high-temperature-resistant speed-regulating EC motor can achieve the purpose of flexible and diverse application scene adaptation, is powered by an independent power supply in the shell, has high product standardization, can select power supply specifications as needed, and only needs to replace the power supply when the power supply life expires, without the need to replace the motor, thereby reducing the complexity and cost of equipment operation.
[0013] 2. The high-temperature-resistant speed-regulating EC motor can achieve the purpose of speed regulation by a line control and a remote controller, supports two kinds of adjustment modes, namely wired speed regulation and wireless speed regulation, can be adjusted by gear or stepless, meets the needs of different application scenes, improves the flexibility and efficiency of industry application, and is suitable for home, industry, outdoor commercial and other scenes.
[0014] 3. The high-temperature-resistant speed-regulating EC motor can achieve the purpose of efficient performance optimization, has a motor efficiency 20%-40% higher than that of a traditional industrial or commercial high-temperature-resistant induction motor, greatly saves energy and reduces consumption, and has a harder motor torque characteristic, so that the motor speed is not affected and high-efficiency operation can be maintained under the conditions of external environment and load fluctuation.
[0015] 4. The high-temperature-resistant speed-regulating EC motor can achieve the purpose of excellent protection performance, has a high IP protection level, protects the DC motor and the EC power supply board inside the external shell, can adapt to high and low temperature environments, can meet outdoor waterproof requirements, has a motor power of 5W-400W, a motor outer diameter of 50-120mm, and a motor length of 30-150mm, and can be applied to scenes where conventional motors cannot be applied. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is an explosion structure schematic view of the utility model;
[0017] Figure 2 It is a front view appearance structure schematic view of the utility model;
[0018] Figure 3 It is a top view structure schematic view of the utility model cooling fan blade;
[0019] Figure 4 It is a front view structure diagram of the heat dissipation fan blade of the utility model.
[0020] In the figure: 1, protective casing; 2, clamping groove; 3, rear end cover; 4, EC control panel; 5, waterproof sealing outlet coil; 6, DC motor body; 7, motor shaft; 8, front end cover; 9, bolt; 10, screw; 11, heat dissipation fan blade; 12, heat insulation column. DETAILED DESCRIPTION
[0021] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. EMBODIMENT
[0022] The preferred embodiment of the high-temperature-resistant speed-regulating EC motor provided by the utility model is shown as Figures 1 to 2 The bottom of the protective casing 1 is provided with a rear end cover 3, the upper end surface of the rear end cover 3 is fixed with an EC control panel 4, the EC control panel 4 extends into the protective casing 1, the output end of the DC motor body 6 is connected with a motor shaft 7, the motor shaft 7 penetrates through a front end cover 8, the front end cover 8 is fixed on the top of the DC motor body 6 through a bolt 9, the DC motor body 6 extends into the protective casing 1, the front end cover 8 is arranged on the top of the protective casing 1, the outer side of the motor shaft 7 is fixed with a heat dissipation fan blade 11, and the upper end surface of the front end cover 8 is fixed with a heat insulation column 12.
[0023] In the embodiment, the upper end surface of the EC control panel 4 is fixed with a power adapter, the power adapter is suitable for a variety of range motor application scenarios, and a signal receiver is used for wireless remote control.
[0024] Further, the bottom of the protective casing 1 is provided with a clamping groove 2, the upper end surface of the rear end cover 3 is fixed with a waterproof sealing outlet coil 5, the waterproof sealing outlet coil 5 is clamped and connected in the clamping groove 2, when the protective casing 1 and the rear end cover 3 are installed together, the waterproof sealing outlet coil 5 is clamped into the clamping groove 2, the waterproof sealing outlet coil 5 can be used for threading, and can also play a waterproof sealing role. EMBODIMENT
[0025] On the basis of embodiment 1, the preferred embodiment of the high-temperature-resistant speed-regulating EC motor provided by the utility model is shown as Figures 3 to 4
[0026] In the embodiment, the protective shell 1, the rear end cover 3 and the front end cover 8 are fixed together through the screws 10, the screws 10 can fix the rear end cover 3 and the front end cover 8 on the bottom of the protective shell 1 and the top of the protective shell 1 respectively, and the assembly is convenient and fast.
[0027] Further, the heat insulation columns 12 are arranged in four, and the four heat insulation columns 12 are evenly distributed on the front end cover 8 in the circumferential direction, the heat insulation columns 12 can play the role of heat insulation, and meanwhile, the use of the four heat insulation columns 12 can make the heat insulation effect better.
[0028] In use, first, the EC control panel 4 is installed on the rear end cover 3, then the rear end cover 3 is buckled on the bottom of the protective shell 1, the waterproof sealing coil 5 is clamped into the clamping groove 2, then the front end cover 8 and the DC motor body 6 are fixed together through the bolts 9, the DC motor body 6 is inserted into the protective shell 1, then the front end cover 8 is buckled on the top of the protective shell 1, then the protective shell 1, the rear end cover 3 and the front end cover 8 are fixed together through the screws 10, the motor shaft 7 penetrates through the front end cover 8, the motor shaft 7 rotates to drive the heat dissipation fan blade 11 to rotate, the heat dissipation effect is conveniently realized, the heat insulation columns 12 can play the role of heat insulation, and the whole work is completed.
[0029] It should 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.
[0030] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A high temperature resistant speed-regulated EC motor comprising a protective casing (1) and a DC motor body (6), characterized in that: The bottom of the protective shell (1) is provided with a rear end cover (3), the upper end surface of the rear end cover (3) is fixed with an EC control panel (4), the EC control panel (4) extends into the protective shell (1), the output end of the DC motor body (6) is connected with a motor shaft (7), the motor shaft (7) penetrates through a front end cover (8), the front end cover (8) is fixed on the top of the DC motor body (6) through bolts (9), the DC motor body (6) extends into the protective shell (1), the front end cover (8) is arranged on the top of the protective shell (1), the outer side of the motor shaft (7) is fixed with a heat dissipation fan blade (11), and the upper end surface of the front end cover (8) is fixed with a heat insulation column (12).
2. A high temperature resistant speed regulated EC motor as claimed in claim 1, wherein: The upper end surface of the EC control panel (4) is fixed with a power adapter.
3. A high temperature resistant speed regulated EC motor as claimed in claim 1, wherein: The bottom of the protective shell (1) is provided with a clamping groove (2), the upper end surface of the rear end cover (3) is fixed with a waterproof sealing outlet coil (5), and the waterproof sealing outlet coil (5) is clamped and connected in the clamping groove (2).
4. A high temperature resistant speed regulated EC motor as claimed in claim 1, wherein: The protective shell (1), the rear end cover (3) and the front end cover (8) are fixed together through screws (10).
5. A high temperature resistant speed regulated EC motor as claimed in claim 1, wherein: The heat insulation column (12) is provided with four, and the four heat insulation columns (12) are evenly distributed on the front end cover (8) in circumference.
Citation Information
Patent Citations
Outer rotor EC motor
CN209088713U