Permanent magnet motor load test damp and hot box

Abstract

The utility model relates to the technical field of permanent magnet motors, and discloses a permanent magnet motor load test damp-heat box, which comprises a box body, two ends of the top of the box body are fixedly connected with ventilation assemblies, and each ventilation assembly comprises a ventilation box, an output motor, a rotating rod, fan blades, an air outlet, an air outlet and a filter screen. According to the permanent magnet motor load test damp and hot box, through mutual cooperative use of the arranged ventilation assemblies, the effect of ventilation of the interior of the box is achieved, an output motor is started to drive a rotating rod to rotate so as to drive fan blades to rotate, and therefore moisture and hot air in the box can be conveniently discharged; therefore, the risk that the motor is damaged due to the fact that the motor is located in the moisture and hot air environment for a long time is avoided as much as possible, the safety of the motor in the experiment is improved as much as possible, meanwhile, the filter screen is arranged to prevent external impurities and dust from entering the interior of the damp-heat box to affect the experiment effect as much as possible, and the practicability of the damp-heat box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet motors, in particular to a permanent magnet motor load test humidity and heat box. Background Art

[0002] Permanent magnet synchronous motors have the advantages of simple structure, small size, high efficiency, high power factor, etc. Permanent magnet synchronous motors have been used in medium and low voltage motors in the metallurgical industry (iron mills and sintering plants, etc.), ceramic industry (ball mills), rubber industry (internal mixers), petroleum industry (pumping units), textile industry (twisters, spinning machines) and other industries, and have gradually accumulated design and operation experience. After the motor is manufactured, it is necessary to test the various data of the motor through a load test, and a wet heat box is needed to test the motor during the test.

[0003] In Chinese utility model patents: such as CN216013599U, a motor load test wet heat box includes a wet heat box body, the wet heat box body includes a box body, a through hole is provided on one side of the top of the box body, a ventilation fan is fixedly installed on the inner side of the through hole, a sealing cover is rotatably installed on one side of the top of the box body close to the through hole, a fixed block is fixedly installed on one side of the top of the box body, a fixed groove is provided on one side of the fixed block, a limiting hole is provided on one side of the fixed block, a fixing bar is fixedly installed on one side of the sealing cover, a limiting component is installed on the fixing bar, one side of the fixing bar is plugged into the inner side of the fixing groove, and one side of the limiting component is plugged into the inner side of the limiting hole. The utility model adds a dissipation mechanism to the structure of the wet heat box. After the motor load test is carried out, the heat and moisture inside the wet heat box are quickly dissipated by using the dissipation mechanism to prevent the test motor from being damaged by long-term treatment in a high temperature and humid environment.

[0004] The existing permanent magnet motor load test heat and humidity box has a poor ventilation effect, so that heat and moisture cannot be discharged from the box, which may cause damage to the motor. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a permanent magnet motor load test wet heat box, which has the advantages of good ventilation effect, etc., and solves the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to achieve the purpose of good ventilation effect mentioned above, the utility model provides the following technical solution: a permanent magnet motor load test wet heat box, including a box body, both ends of the top of the box body are fixedly connected with a ventilation component, and the ventilation component includes a ventilation box, an output motor, a rotating rod, fan blades, an air outlet, an air outlet and a filter.

[0009] An output motor is fixedly connected to the top of the inner wall of the ventilation box, a rotating rod is fixedly connected to the output end of the output motor, a fan blade is fixedly connected to the bottom end of the rotating rod, an air outlet is opened in the middle of the bottom of the inner wall of the ventilation box, and air outlets are evenly spaced on both sides of the outer wall of the ventilation box, and a filter is fixedly connected to the inner wall of the air outlet. After the test is completed, the output motor is turned on to drive the rotation of the rotating rod, thereby driving the rotation of the fan blade, so as to facilitate the suction of moisture and hot air inside the box from the air outlet into the interior of the ventilation box, and discharge the gas through the air outlet, and use the filter to block external dust and impurities, so as to avoid external dust from entering the interior of the humid and hot box as much as possible.

[0010] Preferably, both sides of the outer wall of the box body are threadedly connected with fixing components, and the middle of the bottom of the inner wall of the box body is fixedly connected with a workbench, and the workbench is used to facilitate the placement of the permanent magnet motor, thereby facilitating the testing of the permanent magnet motor.

[0011] Preferably, the fixing assembly includes a handle, a threaded rod, a bearing, a clamping block and a rubber pad, and the fixing assembly is used to facilitate fixing and clamping the permanent magnet motor.

[0012] Preferably, one end of the turning handle is fixedly connected to a threaded rod, and one end of the threaded rod is rotatably connected to a bearing, and the turning handle is rotated to drive the threaded rod to rotate, thereby driving the bearing to rotate.

[0013] Preferably, a clamping block is fixedly connected to one side of the bearing, and a rubber pad is fixedly connected to one side of the clamping block. The rotation of the bearing is utilized to facilitate moving the clamping block to both sides of the permanent magnet motor, thereby facilitating fixing the same. The friction between the permanent magnet motor and the rubber pad is increased to ensure that the permanent magnet motor is fixed as tightly as possible.

[0014] Preferably, feet are fixedly connected to the four sides of the bottom of the box body, and a box door is rotatably connected to the front side of the box body, so that the permanent magnet motor can be easily placed in the wet heat box by opening the box door, thereby facilitating testing.

[0015] Preferably, the feet form a group of two, and the feet are centrally symmetrical with respect to the perpendicular midline of the box body. The symmetrical structure of the feet facilitates the box body to be stably placed.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a permanent magnet motor load test humidity and heat box, which has the following beneficial effects:

[0018] 1. The permanent magnet motor load test wet heat box achieves the effect of ventilating the inside of the box through the coordinated use of the ventilation components. The output motor is turned on to drive the rotation of the rotating rod, thereby driving the rotation of the fan blades, so as to facilitate the discharge of moisture and heat inside the box, thereby minimizing the risk of damage to the motor due to long-term exposure to moisture and heat, thereby improving the safety of the motor during the experiment. At the same time, a filter is set to prevent external impurities and dust from entering the wet heat box to affect the experimental results, thereby improving the practicality of the wet heat box.

[0019] 2. The permanent magnet motor load test wet heat box achieves the effect of fixing the motor through the mutual cooperation of the fixed components. The threaded rod is driven to rotate by turning the handle, thereby driving the rotation of the bearing, so that the clamping block is moved to both sides of the permanent magnet motor, so as to facilitate the clamping and fixing of the permanent magnet motor. The friction between the permanent magnet motor and the rubber pad is increased, so that the permanent magnet motor is fixed more tightly as much as possible, thereby avoiding the problem of collapse of the permanent magnet motor during the experiment as much as possible, and improving the adaptability of the wet heat box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0022] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0023] Figure 4 This is a schematic diagram of the ventilation component structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the fixing component of the utility model.

[0025] In the figure: 1. Box body; 2. Box door; 3. Ventilation assembly; 301. Ventilation box; 302. Output motor; 303. Turning rod; 304. Fan blade; 305. Air outlet; 306. Air outlet; 307. Filter; 4. Fixing assembly; 401. Turning handle; 402. Threaded rod; 403. Bearing; 404. Clamping block; 405. Rubber pad; 5. Foot pad; 6. Workbench. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] The preferred embodiment of the permanent magnet motor load test heat and humidity box provided by the utility model is as follows: Figures 1 to 5 As shown: a permanent magnet motor load test wet heat box, including a box body 1, both ends of the top of the box body 1 are fixedly connected with a ventilation component 3, the ventilation component 3 includes a ventilation box 301, an output motor 302, a rotating rod 303, fan blades 304, an air outlet 305, an air outlet 306 and a filter 307.

[0029] The top of the inner wall of the ventilation box 301 is fixedly connected to an output motor 302, the output end of the output motor 302 is fixedly connected to a rotating rod 303, the bottom of the rotating rod 303 is fixedly connected to a fan blade 304, an air outlet 305 is provided in the middle of the bottom of the inner wall of the ventilation box 301, and air outlets 306 are evenly spaced on both sides of the outer wall of the ventilation box 301, and the inner wall of the air outlet 306 is fixedly connected to a filter 307. After the test is completed, the output motor 302 is turned on to drive the rotation of the rotating rod 303, thereby driving the rotation of the fan blade 304, so as to facilitate the suction of moisture and heat inside the box body 1 from the air outlet 305 into the interior of the ventilation box 301, and discharge the gas through the air outlet 306, and use the filter 307 to block external dust and impurities, so as to avoid external dust from entering the interior of the humid and hot box as much as possible.

[0030] In this embodiment, both sides of the outer wall of the box body 1 are threadedly connected with fixing components 4, and the middle of the bottom of the inner wall of the box body 1 is fixedly connected with a workbench 6. The workbench 6 is used to facilitate the placement of the permanent magnet motor and thus facilitate testing thereof.

[0031] Example 2

[0032] Based on Example 1, the preferred embodiment of the permanent magnet motor load test heat chamber provided by the present invention is as follows: Figures 1 to 5 As shown, the fixing assembly 4 includes a turning handle 401, a threaded rod 402, a bearing 403, a clamping block 404 and a rubber pad 405. The fixing assembly 4 is used to fix and clamp the permanent magnet motor.

[0033] In this embodiment, one end of the turning handle 401 is fixedly connected to the threaded rod 402 , and one end of the threaded rod 402 is rotatably connected to the bearing 403 . The turning handle 401 is rotated to drive the threaded rod 402 to rotate, thereby driving the bearing 403 to rotate.

[0034] Furthermore, a clamping block 404 is fixedly connected to one side of the bearing 403, and a rubber pad 405 is fixedly connected to one side of the clamping block 404. The rotation of the bearing 403 facilitates the movement of the clamping block 404 to both sides of the permanent magnet motor, thereby facilitating its fixation. The friction between the permanent magnet motor and the rubber pad 405 is increased to ensure that the permanent magnet motor is fixed as tightly as possible.

[0035] Furthermore, feet 5 are fixedly connected to the four sides of the bottom of the box body 1, and a box door 2 is rotatably connected to the front of the box body 1. By opening the box door 2, the permanent magnet motor can be easily placed in the wet heat box, thereby facilitating testing.

[0036] In addition, the feet 5 are arranged in groups of two, and the feet 5 are centrally symmetrical with respect to the perpendicular midline of the box body 1. The symmetrical structure of the feet 5 facilitates the box body 1 to be stably placed.

[0037] When in use, first open the box door 2 to place the permanent magnet motor on the workbench 6 inside the box body 1, then turn the handle 401 to drive the rotation of the threaded rod 402, thereby driving the rotation of the bearing 403, so as to facilitate moving the clamping block 404 to both sides of the permanent magnet motor, so as to facilitate fixing it, and increase the friction between the permanent magnet motor and the rubber pad 405, so as to make it as tightly fixed as possible, and perform a load test by fixing it. After the test is completed, turn on the output motor 302 to drive the rotation of the rotating rod 303, thereby driving the rotation of the fan blades 304, so as to facilitate the suction of moisture and hot air inside the box body 1 from the air outlet 305 into the interior of the ventilation box 301, discharge the gas through the air outlet 306, and use the filter 307 to block external dust and impurities.

[0038] In summary, the permanent magnet motor load test wet heat box is convenient for ventilation of the interior of the wet heat box and convenient for fixing the permanent magnet motor during the experiment.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A permanent magnet motor load test humidity and heat box, comprising a box body (1), characterized in that: Both ends of the top of the box body (1) are fixedly connected with a ventilation assembly (3), and the ventilation assembly (3) comprises a ventilation box (301), an output motor (302), a rotating rod (303), fan blades (304), an air outlet (305), an air outlet (306) and a filter (307); An output motor (302) is fixedly connected to the top of the inner wall of the ventilation box (301), a rotating rod (303) is fixedly connected to the output end of the output motor (302), a fan blade (304) is fixedly connected to the bottom end of the rotating rod (303), an air outlet (305) is provided in the middle of the bottom of the inner wall of the ventilation box (301), air outlets (306) are evenly spaced on both sides of the outer wall of the ventilation box (301), and a filter (307) is fixedly connected to the inner wall of the air outlet (306).

2. A permanent magnet motor load test humidity chamber according to claim 1, characterized in that: Both sides of the outer wall of the box body (1) are threadedly connected with fixing components (4), and the middle of the bottom of the inner wall of the box body (1) is fixedly connected with a workbench (6).

3. A permanent magnet motor load test humidity chamber according to claim 2, characterized in that: The fixing assembly (4) comprises a turning handle (401), a threaded rod (402), a bearing (403), a clamping block (404) and a rubber pad (405).

4. A permanent magnet motor load test humidity chamber according to claim 3, characterized in that: One end of the turning handle (401) is fixedly connected to a threaded rod (402), and one end of the threaded rod (402) is rotatably connected to a bearing (403).

5. A permanent magnet motor load test humidity chamber according to claim 3, characterized in that: A clamping block (404) is fixedly connected to one side of the bearing (403), and a rubber pad (405) is fixedly connected to one side of the clamping block (404).

6. A permanent magnet motor load test humidity chamber according to claim 1, characterized in that: The bottom of the box body (1) is fixedly connected with feet (5) on all sides, and the front of the box body (1) is rotatably connected with a box door (2).

7. A permanent magnet motor load test humidity chamber according to claim 6, characterized in that: The two pads (5) form a group, and the pads (5) are centrally symmetrical with respect to the perpendicular midline of the box body (1).

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