Positive and negative rotation high-frequency low-voltage direct-current brushless motor for high-precision industrial control
By introducing heat dissipation flat tubes and fin structures, as well as water-cooled coolers into the brushless motor, the problem of poor heat dissipation caused by dust ingress is solved, achieving efficient heat dissipation and extending motor life.
Patent Information
- Application Number
- CN202520468549.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing brushless motors are prone to dust accumulation, leading to poor heat dissipation, which affects motor performance and lifespan, and may cause electrical faults and mechanical wear.
It adopts a structure of multiple heat dissipation flat tubes and heat dissipation fins, combined with a water-cooled cooler, and uses a fan and coolant to cool the hot air and prevent dust from entering the casing.
It achieves efficient heat dissipation, extends the service life of the motor, avoids dust damage to the stator, and improves transmission accuracy and operating performance.
Smart Images

Figure CN223912353U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to brushless motor technical field, especially, relate to a high precision industrial control with positive and negative rotation high frequency low voltage DC brushless motor. BACKGROUND
[0002] The high precision industrial control with positive and negative rotation high frequency low voltage DC brushless motor is powered by DC power supply, has no mechanical brush and commutator, can work at low voltage, realize positive and negative rotation high frequency switching and have high precision control performance, is composed of motor main body and driver, and is remarkable in the fields of automatic production line, numerical control machine tool, robot and printing and packaging machinery, can accurately control mechanical movement, realizes material conveying, part assembly and complex processing, and improves production efficiency and product quality.
[0003] The existing brushless motor is usually provided with heat dissipation holes for heat dissipation, which is easy to cause dust to enter the motor, and the dust accumulation will hinder heat dissipation, cause the motor temperature to rise, accelerate the aging of insulating materials, reduce the motor performance and service life, and may cause electrical faults such as short circuit and electric leakage, damage electronic components, aggravate mechanical part wear, reduce mechanical efficiency, produce noise, affect transmission accuracy and operation performance.
[0004] Therefore, the utility model provides a high precision industrial control with positive and negative rotation high frequency low voltage DC brushless motor to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a kind of high precision industrial control with positive and negative rotation high frequency low voltage DC brushless motor, the heat air in the heat dissipation flat pipe can be cooled down by multiple heat dissipation flat pipes and its external heat dissipation fins, and then the air after cooling is backflow into the shell, solve the problem that the existing brushless motor is easy to enter ash inside, affect service life.
[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:
[0007] The utility model discloses a high-precision industrial control uses forward and reverse rotation high frequency low voltage direct current brushless motor, including the casing, the inside fixed connection of casing has the central sleeve, the outside fixed sleeve of central sleeve has the stator, the inside rotation of central sleeve is connected with the rotor, the front end fixed connection of casing has the apron, the rear end fixed connection of casing has the fan and the cooling warehouse, and the fan is linked together with the casing, and the inside of cooling warehouse is provided with water cooling radiator, the back of apron is fixedly connected with the air deflector, and the outside movable sleeve of air deflector has the radiator, and the air deflector includes the front air cover fixedly connected on the back of apron and the rear air cover linked together with the rear end of cooling warehouse, and a plurality of radiating flat pipes that are evenly distributed along the circumference of apron are fixedly connected between the front air cover and the rear air cover, and a plurality of radiating flat pipes are all linked together with the front air cover and the rear air cover.
[0008] The utility model further sets up, the outside of casing is close to the front end place and evenly is seted up with a plurality of first air holes along the circumference, and the inside of front air cover evenly is seted up with a plurality of second air holes corresponding with first air hole along the circumference.
[0009] The utility model further sets up, and water cooling radiator includes the first main pipe and the second main pipe that are parallel to each other, and a plurality of heat exchange pipes are evenly arrayed along the axis between the first main pipe and the second main pipe, and the middle part of first main pipe is connected with inlet pipe, and the middle part of second main pipe is connected with outlet pipe.
[0010] The utility model further sets up, and a plurality of heat exchange pipes are all corrugated bending pipes, and a plurality of heat exchange plates are evenly fixed on the outside of a plurality of heat exchange pipes from top to bottom.
[0011] The utility model further sets up, and the inner chamber of cooling warehouse is seted up with a plurality of installation slot corresponding with heat exchange plate on the opposite side, and the outside of first main pipe and second main pipe is fixedly connected with fixed base, and the outside of fixed base is fixedly connected with fixed screw that penetrates the rear end of cooling warehouse.
[0012] The utility model further sets up, and the front end of front air cover is fixedly connected with a plurality of mounting screws along the circumference, and a plurality of mounting screws all penetrate the front end of casing and apron.
[0013] The utility model further sets up, and the radiator includes a plurality of U-shaped groove plates inserted on the outside of radiating flat pipe, and a plurality of radiating fins are evenly fixed on the outside of a plurality of U-shaped groove plates along the axis direction of casing.
[0014] The utility model has the following beneficial effects:
[0015] 1. The utility model discloses a fan is started to blow into multiple radiating flat tubes in the hot air in the casing through multiple first air holes and second air holes, then can carry out the cooling of the hot air in the radiating flat tube through multiple radiating flat tubes and the radiating fin outside it, after that, the air after cooling flows into the casing, thereby can realize the quick cooling of the stator, and can avoid the foreign matter of outside to enter the casing inside and cause the damage of stator, prolongs the service life of motor.
[0016] 2. The utility model discloses cooling liquid is passed to the liquid inlet pipe, then the cooling liquid passes through the first main pipe and enters multiple heat exchange pipes, then the air after preliminary cooling can be further cooled when passing through the gap of multiple heat exchange pipes, thereby can further improve the heat dissipation efficiency of the stator.
[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to use the drawing of the embodiment to introduce briefly, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.
[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0020] Figure 2 It is the overall cross-sectional structure schematic diagram of the utility model.
[0021] Figure 3 It is the overall explosion schematic diagram of the utility model.
[0022] Figure 4 It is the structure schematic diagram of the casing of the utility model.
[0023] Figure 5 It is the structure schematic diagram of the cooling bin of the utility model.
[0024] Figure 6 It is the structure schematic diagram of the water cooling cooler of the utility model.
[0025] Figure 7 It is the structure schematic diagram of the wind scooper of the utility model.
[0026] Figure 8 It is the structure schematic diagram of the radiator of the utility model.
[0027] In the drawings, the component list represented by each sign is as follows:
[0028] 100, housing; 101, center sleeve; 102, first air hole; 200, stator; 300, rotor; 400, cover plate; 500, fan; 600, cooling bin; 601, mounting groove; 700, water cooling cooler; 701, first main pipe; 702, second main pipe; 703, liquid inlet pipe; 704, liquid outlet pipe; 705, heat exchange pipe; 706, heat exchange plate; 707, fixing seat; 708, fixing screw; 800, air guide cover; 801, front air cover; 802, rear air cover; 803, heat dissipation flat pipe; 804, mounting screw; 805, second air hole; 900, radiator; 901, U-shaped groove plate; 902, heat dissipation fin. DETAILED DESCRIPTION
[0029] 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.
[0030] Embodiment 1
[0031] Please refer to Figures 1 to 4 and Figures 7 to 8 The utility model discloses a kind of high-precision industrial control with positive and negative rotation high frequency low voltage direct current brushless motor, including housing 100, the inside fixed connection of housing 100 is connected with center sleeve 101, the outside fixed sleeve of center sleeve 101 is connected with stator 200, the inside rotation connection of center sleeve 101 is connected with rotor 300, the front end fixed connection of housing 100 is connected with cover plate 400, the rear end fixed connection of housing 100 is connected with fan 500 and cooling bin 600, and fan 500 is communicated with housing 100, the inside of cooling bin 600 is provided with water cooling cooler 700, the back of cover plate 400 is fixedly connected with air guide cover 800, the outside movable sleeve of air guide cover 800 is connected with radiator 900;Air guide cover 800 includes front air cover 801 fixedly connected to the back of cover plate 400 and rear air cover 802 communicated with the rear end of cooling bin 600, a plurality of heat dissipation flat pipes 803 are fixedly connected between front air cover 801 and rear air cover 802 and evenly distributed along the circumference of cover plate 400, and the plurality of heat dissipation flat pipes 803 are communicated with front air cover 801 and rear air cover 802, hot air in housing 100 can be blown into the plurality of heat dissipation flat pipes 803 by fan 500, so that hot air can be cooled, and then the cooled air is returned to housing 100, so that rapid cooling can be realized, and foreign matter can be prevented from entering the inside of housing 100, to avoid damaging stator 200, prolonging the service life of motor.
[0032] Specifically, a plurality of first air holes 102 are evenly arranged on the outer side of the shell 100 near the front end, and the inner side of the front air cover 801 is evenly arranged with a plurality of second air holes 805 corresponding to the first air holes 102. The first air holes 102 and the second air holes 805 can communicate the shell 100 and the front air cover 801. The radiator 900 includes a plurality of U-shaped groove plates 901 inserted into the outer side of the heat dissipation flat tube 803. The outer side of the plurality of U-shaped groove plates 901 is evenly fixed with a plurality of heat dissipation fins 902 along the axis direction of the shell 100. The plurality of heat dissipation fins 902 can increase the heat dissipation area and improve the heat dissipation efficiency of the heat dissipation flat tube 803.
[0033] Further, the front end of the front air cover 801 is fixedly connected with a plurality of mounting screws 804, and the plurality of mounting screws 804 penetrate the front end of the shell 100 and the cover plate 400.
[0034] The operation process of the embodiment is as follows: when the stator 200 needs to be cooled, the fan 500 is started first, so that the hot air in the shell 100 can be blown into the plurality of heat dissipation flat tubes 803 through the plurality of first air holes 102 and the plurality of second air holes 805. The plurality of heat dissipation flat tubes 803 and the plurality of heat dissipation fins 902 outside the plurality of heat dissipation flat tubes 803 can cool the hot air in the plurality of heat dissipation flat tubes 803. Then the cooled air flows back into the shell 100, so that the stator 200 can be quickly cooled, and foreign matter can be prevented from entering the shell 100 to damage the stator 200, thereby prolonging the service life of the motor.
[0035] Embodiment 2
[0036] Please refer to Figure 2 、 Figure 3 、 Figure 5 and Figure 6 On the basis of the specific embodiment one, the water-cooled cooler 700 includes a first main pipe 701 and a second main pipe 702 parallel to each other. A plurality of heat exchange pipes 705 are evenly arranged between the first main pipe 701 and the second main pipe 702 along the axis. The middle part of the first main pipe 701 is connected with a liquid inlet pipe 703, and the middle part of the second main pipe 702 is connected with a liquid outlet pipe 704. By introducing cooling liquid into the liquid inlet pipe 703, the backflow air can be further cooled, thereby further improving the cooling efficiency of the stator 200.
[0037] Specifically, the plurality of heat exchange pipes 705 are corrugated bent pipes, and the outer side of the plurality of heat exchange pipes 705 is evenly fixed with a plurality of heat exchange plates 706 from top to bottom. The heat exchange plates 706 can improve the heat exchange efficiency.
[0038] Further, the inner cavity of the cooling bin 600 is provided with a plurality of installation grooves 601 adapted to the heat exchange plates 706 on two opposite sides, and the first main pipe 701 and the second main pipe 702 are fixedly connected with a fixing seat 707 outside, and the fixing seat 707 is fixedly connected with a fixing screw 708 penetrating through the rear end of the cooling bin 600.
[0039] The operation process of the embodiment is as follows: when the stator 200 needs to be further cooled, first, cooling liquid is fed into the liquid inlet pipe 703, then the cooling liquid enters the plurality of heat exchange pipes 705 through the first main pipe 701, and then the air after preliminary cooling can be further cooled when passing through the gaps between the plurality of heat exchange pipes 705, so as to further improve the cooling efficiency of the stator 200, and then the cooling liquid after absorbing heat is collected through the second main pipe 702 and discharged through the liquid outlet pipe 704.
[0040] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0041] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application.
Claims
1. A high-precision industrial control forward and reverse high-frequency low-voltage DC brushless motor, comprising a housing (100), characterized in that: The inside of the shell (100) is fixedly connected with a center sleeve (101), the outside of the center sleeve (101) is fixedly sleeved with a stator (200), the inside of the center sleeve (101) is rotatably connected with a rotor (300), the front end of the shell (100) is fixedly connected with a cover plate (400), the rear end of the shell (100) is fixedly connected with a fan (500) and a cooling bin (600), and the fan (500) is communicated with the shell (100), the inside of the cooling bin (600) is provided with a water cooling radiator (700), the back of the cover plate (400) is fixedly connected with a wind deflector (800), and the outside of the wind deflector (800) is movably sleeved with a radiator (900). The wind deflector (800) comprises a front air outlet cover (801) fixedly connected to the back of the cover plate (400) and a rear air outlet cover (802) communicated with the rear end of the cooling bin (600), a plurality of heat dissipation flat pipes (803) are fixedly connected between the front air outlet cover (801) and the rear air outlet cover (802) and uniformly distributed along the circumference of the cover plate (400), and the plurality of heat dissipation flat pipes (803) are communicated with the front air outlet cover (801) and the rear air outlet cover (802).
2. The high-precision industrial control forward-reverse high-frequency low-voltage DC brushless motor according to claim 1, characterized in that, A plurality of first air holes (102) are uniformly formed on the outside of the shell (100) near the front end in the circumferential direction, and a plurality of second air holes (805) corresponding to the first air holes (102) are uniformly formed on the inside of the front air outlet cover (801) in the circumferential direction.
3. The high-precision industrial control forward-reverse high-frequency low-voltage DC brushless motor according to claim 1, characterized in that, The water cooling radiator (700) comprises first and second main pipes (701) and (702) parallel to each other, a plurality of heat exchange pipes (705) are uniformly arranged along the axis between the first and second main pipes (701) and (702), the middle part of the first main pipe (701) is communicated with a liquid inlet pipe (703), and the middle part of the second main pipe (702) is communicated with a liquid outlet pipe (704).
4. The high-precision industrial control forward-reverse high-frequency low-voltage DC brushless motor according to claim 3, characterized in that, The plurality of heat exchange pipes (705) are corrugated bent pipes, and a plurality of heat exchange plates (706) are uniformly fixed on the outside of the plurality of heat exchange pipes (705) from top to bottom.
5. The high-precision industrial control forward-reverse high-frequency low-voltage DC brushless motor according to claim 4, characterized in that, A plurality of mounting grooves (601) matched with the heat exchange plates (706) are formed on the opposite two sides of the inner cavity of the cooling bin (600), the outside of the first and second main pipes (701) and (702) is fixedly connected with a fixing seat (707), and the outside of the fixing seat (707) is fixedly connected with a fixing screw (708) penetrating through the rear end of the cooling bin (600).
6. The high-precision industrial control forward-reverse high-frequency low-voltage DC brushless motor according to claim 1, characterized in that, A plurality of mounting screws (804) are fixedly connected to the front end of the front air outlet cover (801) in the circumferential direction, and the plurality of mounting screws (804) penetrate through the front end of the shell (100) and the cover plate (400).
7. The high-precision industrial control forward-reverse high-frequency low-voltage DC brushless motor according to claim 1, characterized in that, The radiator (900) comprises a plurality of U-shaped groove plates (901) inserted into the outside of the heat dissipation flat pipes (803), and a plurality of heat dissipation fins (902) are uniformly fixed on the outside of the plurality of U-shaped groove plates (901) in the axial direction of the shell (100).