Outer rotor electric roller stator turn-back type cooling waterway
By designing a folding cooling water circuit for the stator of the external rotor electric drum, the problem of poor heat dissipation of the stator assembly was solved, achieving more efficient heat dissipation and reliable operation, and improving the performance of the electric drum.
Patent Information
- Application Number
- CN202423148818.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Poor heat dissipation of the external rotor electric drum stator assembly leads to increased temperature, affecting output power and reliability.
A stator folding-back cooling water circuit for an external rotor electric drum is designed. By combining the main shaft, stator steel cylinder, folding-back water circuit bars and baffles, a folding-back cooling water circuit is formed to prevent the mixing of hot and cold water and improve heat dissipation efficiency.
It effectively reduces the temperature rise of the stator assembly, improves heat dissipation capacity, enhances the operating efficiency and reliability of the electric roller, and prevents material structure failure.
Smart Images
Figure CN223567465U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of outer rotor electric roller, especially to an outer rotor electric roller stator turn-back type cooling water path. BACKGROUND
[0002] Coal mine underground belt conveyors are widely used in coal mines and have a large amount of usage. The driving roller is an essential driving component of the coal mine underground belt conveyor. With the continuous progress of technology, a permanent magnet electric roller is developed, which integrates the motor, coupling and roller into one, uses a frequency converter to adjust the speed, has the characteristics of simple structure, maintenance-free, long service life and the like, and is deeply welcomed by users. The working property of the permanent magnet electric roller is basically the same as that of the motor, and a large amount of heat is also generated during operation. A reasonable and effective heat dissipation mode is a key factor for normal operation. For a large-power outer rotor electric roller, the outer rotor electric roller stator assembly is a large heat source, which is not easy to dissipate heat, has a high temperature rise, causes the output power to decrease, cannot meet the design requirements, and even causes the reliability of the electric roller to decrease and even the motor to burn out. SUMMARY
[0003] In order to reduce the temperature rise of the outer rotor electric roller stator assembly and improve the heat dissipation capacity, the utility model provides an outer rotor electric roller stator turn-back type cooling water path.
[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: an outer rotor electric roller stator turn-back type cooling water path, comprising a main shaft, a stator steel cylinder, a left turn-back water path strip, a right turn-back water path strip, a water path blocking strip, a left end portion baffle and a right end portion baffle. A main shaft water inlet and a main shaft water outlet are formed on the outer wall of the main shaft. A steel cylinder water inlet and a steel cylinder water outlet are formed on the stator steel cylinder. The steel cylinder water inlet and the steel cylinder water outlet are respectively connected to the main shaft water inlet and the main shaft water outlet by a water inlet pipeline and a water outlet pipeline.
[0005] The left end portion baffle and the right end portion baffle are welded together with the stator steel cylinder and play a water blocking role. The stator steel cylinder is welded together with the main shaft through the left end portion baffle and the right end portion baffle. The water path blocking strip is welded on the stator steel cylinder, is located between the steel cylinder water inlet and the steel cylinder water outlet, and plays a role of preventing the mixing of cold and hot water. The left turn-back water path strip and the right turn-back water path strip are respectively welded on the stator steel cylinder, a turn-back shaped water flow is formed between the turn-back water path strips, and a plurality of left turn-back water path strips and a plurality of right turn-back water path strips are fixed on the stator steel cylinder to form a turn-back shaped cooling water path.
[0006] Compared with the prior art, the external rotor motorized roller can be effectively cooled, the heat dissipation capacity of the external rotor motorized roller is improved, the efficiency of the external rotor motorized roller is improved, material structure failure caused by excessively high temperature is reduced, and the external rotor motorized roller can be efficiently and reliably operated. BRIEF DESCRIPTION OF DRAWINGS
[0007] Figure 1 It is an overall structure diagram of the external rotor motorized roller.
[0008] Figure 2 It is a structure diagram of the external rotor motorized roller stator turn-back type cooling water path.
[0009] Figure 3 It is a cross-sectional structure diagram of the external rotor motorized roller stator turn-back type cooling water path.
[0010] In the figure, 1 is a main shaft, 2 is a stator steel cylinder, 3 is a left turn-back water path strip, 4 is a right turn-back water path strip, 5 is a water path blocking strip, 6 is a left end baffle, 7 is a right end baffle, 8 is a main shaft water inlet, 9 is a main shaft water outlet, 10 is a steel cylinder water inlet, 11 is a steel cylinder water outlet, 12 is an inlet pipe, 13 is an outlet pipe, 14 is a silicon steel sheet cylinder, and 15 is a rotor assembly. DETAILED DESCRIPTION
[0011] 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 scope of protection of the utility model.
[0012] With reference to Figure 1 , Figure 2 and Figure 3 , an external rotor motorized roller stator turn-back type cooling water path comprises a main shaft 1, a stator steel cylinder 2, a left turn-back water path strip 3, a right turn-back water path strip 4, a water path blocking strip 5, a left end baffle 6, and a right end baffle 7. A main shaft water inlet 8 and a main shaft water outlet 9 are formed on the outer wall of the main shaft 1. A steel cylinder water inlet 10 and a steel cylinder water outlet 11 are formed on the stator steel cylinder 2. The steel cylinder water inlet 10 and the steel cylinder water outlet 11 are respectively connected to the main shaft water inlet 8 and the main shaft water outlet 9 by an inlet pipe 12 and an outlet pipe 13.
[0013] The left end baffle 6 and the right end baffle 7 are welded with the stator steel cylinder 2, and play a role of water blocking. The stator steel cylinder 2 is welded with the main shaft 1 through the left end baffle 6 and the right end baffle 7. The water path blocking strip 5 is welded on the stator steel cylinder 2, and the water path blocking strip 5 is located between the steel cylinder water inlet 10 and the steel cylinder water outlet 11, and plays a role of preventing cold and hot water from mixing. The left turn-back water path strip 3 and the right turn-back water path strip 4 are each several, and are fixed on the stator steel cylinder 2 at intervals. The left turn-back water path strip 3 and the right turn-back water path strip 4 are respectively welded on the stator steel cylinder 2, and form a turn-back-shaped water flow between the turn-back water path strips. The several left turn-back water path strips 3 and the several right turn-back water path strips 4 are fixed on the stator steel cylinder 2 at intervals to form a turn-back-shaped cooling water path. The silicon steel sheet cylinder 14 is installed outside the stator steel cylinder 2. In the working process of the outer rotor electric roller, the rotor assembly 15 generates heat, and the heat is transmitted to the stator steel cylinder 2 through the silicon steel sheet cylinder 14, and the heat is taken away by the turn-back-shaped cooling water path, so that the temperature rise of the outer rotor electric roller can be effectively reduced, the heat dissipation capacity of the outer rotor electric roller is improved, the efficiency of the outer rotor electric roller is improved, the material structure failure due to the excessively high temperature is reduced, and the outer rotor electric roller can be efficiently and reliably operated.
[0014] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. An outer rotor electric drum stator foldback type cooling water path characterized by: The utility model provides a water conservancy device, including main shaft (1), stator steel cylinder (2), left turn back water path strip (3), right turn back water path strip (4), water path barrier strip (5), left end baffle (6), right end baffle (7), the main shaft (1) outer wall forms the main shaft water inlet (8) and main shaft water outlet (9), the stator steel cylinder (2) forms steel cylinder water inlet (10) and steel cylinder water outlet (11), steel cylinder water inlet (10) and steel cylinder water outlet (11) are connected with the main shaft water inlet (8) and main shaft water outlet (9) by water inlet pipeline (12) and water outlet pipeline (13) respectively, left end baffle (6) and right end baffle (7) are fixedly connected with stator steel cylinder (2), stator steel cylinder (2) is fixedly connected with main shaft (1) through left end baffle (6) and right end baffle (7), water path barrier strip (5) is fixedly connected on stator steel cylinder (2), and water path barrier strip (5) is located between steel cylinder water inlet (10) and steel cylinder water outlet (11), left turn back water path strip (3) and right turn back water path strip (4) are fixedly connected on stator steel cylinder (2) respectively.
2. The outer rotor electric drum stator foldback type cooling water path according to claim 1, characterized by: The left end baffle (6) and the right end baffle (7) are welded with the stator steel cylinder (2).
3. The outer rotor electric motor drum stator foldback cooling water path according to claim 1, characterized by: The stator steel cylinder (2) is welded with the main shaft (1) through the left end baffle (6) and the right end baffle (7).
4. The outer rotor electric motor drum stator foldback cooling water path according to claim 1, characterized by: The water path barrier strip (5) is welded on the stator steel cylinder (2), and the water path barrier strip (5) is located between the steel cylinder water inlet (10) and the steel cylinder water outlet (11).
5. The outer rotor electric motor barrel stator foldback type cooling water path according to claim 1, characterized by: The left turn back water path strip (3) and the right turn back water path strip (4) are welded on the stator steel cylinder (2) respectively.
6. The outer rotor motor drum stator foldback type cooling water path according to claim 1 or 5, characterized in that: The left turn back water path strip (3) and the right turn back water path strip (4) are each provided with a plurality of intervals and are fixed on the stator steel cylinder (2).