Permanent magnet motor with good heat dissipation effect

Abstract

The utility model discloses a permanent magnet motor with a good heat dissipation effect, which relates to the technical field of permanent magnet motors and comprises an outer cover, a bracket and an inverted plate, a motor body is mounted at the top end of the bracket, a lubricating oil cooling assembly is arranged on the inner side of the outer cover, the inverted plate is mounted on the inner side of the top of the outer cover, and a coolant storage tank is mounted at the bottom of the inverted plate. According to the utility model, the lubricating oil cooling assembly is arranged on the inner side of the outer cover, when the temperature is higher than a preset value, the coolant discharging valve is opened to enable an antioxidant solution in the coolant storage tank to be added into the motor body through the auxiliary heat dissipation pipe, and the lubricating oil in the motor body reacts with the antioxidant solution, so that the oxidation resistance of the lubricating oil is improved; the oxidation reaction of the lubricating oil at high temperature is reduced, the service life of the lubricating oil is prolonged, the performance of the lubricating oil is kept stable, cooling measures are added to reduce the temperature of the lubricating oil and the motor body, adverse effects of heat accumulation on the use performance of the permanent magnet motor are avoided, and the service life of the permanent magnet motor is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet motors, in particular to a permanent magnet motor with good heat dissipation effect. Background Art

[0002] A permanent magnet motor is a motor that uses permanent magnets for excitation. It is mainly composed of stators, rotors, end covers and other components. It is widely used in industry, agriculture, medical care and aviation. It has the advantages of high energy conversion efficiency, high precision and high stability. Permanent magnet motors can be divided into brushed permanent magnet motors, brushless permanent magnet motors and permanent magnet synchronous motors according to their structural form.

[0003] Patent document CN209200848U discloses a permanent magnet motor structure. The disclosed patent document discloses that the permanent magnet motor can withstand large axial forces and is easy to install and maintain. However, the permanent magnet motor generates heat during operation and does not have a heat dissipation structure. The heat accumulation cannot ensure the good performance of the permanent magnet motor and shortens the service life of the motor. Utility Model Content

[0004] One purpose of the present application is to provide a permanent magnet motor with good heat dissipation effect, which can solve the technical problem that the permanent magnet motor in the prior art does not have a heat dissipation structure and cannot ensure good performance of the motor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a permanent magnet motor with good heat dissipation effect, comprising an outer cover, a bracket and an inverted plate, the bottom wall of the outer cover is equipped with a bracket, the top of the bracket is equipped with a motor body, the inner side of the outer cover is provided with a lubricating oil cooling assembly, the lubricating oil cooling assembly is used for auxiliary cooling of the lubricating oil inside the motor body, the lubricating oil cooling assembly comprises an inverted plate and a heat sink tank, the inverted plate is installed on the top inner side of the outer cover, and the heat sink tank is installed on the bottom of the inverted plate.

[0006] Preferably, an auxiliary heat dissipation pipe is installed on the top of the motor body.

[0007] Preferably, a lower agent valve is installed at the bottom end of the heat dissipation agent storage tank, and the output end of the lower agent valve is connected to the auxiliary heat dissipation pipe through a pipeline.

[0008] Preferably, a control panel is installed on the front of the outer cover, and a temperature sensor is installed on the inner wall of the outer cover.

[0009] Preferably, an assembly cover is installed at the outer end of the outer cover, an output port is penetrated through the outer side of the assembly cover, and the output shaft of the motor body penetrates through the inner side of the output port.

[0010] Preferably, a heat outlet is provided through the front side of the outer cover, and a dust filter is installed on the inner side of the heat outlet.

[0011] Preferably, a square groove is provided on the inner wall of the heat outlet, a square opening is penetrated through the outer side of the assembly cover, a closing handle is installed on the inner side of the square groove, a protective frame is installed on the telescopic end of the closing handle, and the protective frame penetrates the inner side of the square opening and slides on the inner wall of the heat outlet.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model is provided with a lubricating oil cooling assembly on the inner side of the outer cover, and the temperature sensor monitors the internal temperature of the outer cover in real time. When the temperature is higher than a preset value, the lower agent valve is opened to add the antioxidant solution in the heat dissipation agent storage tank into the motor body through the auxiliary heat dissipation pipe. The lubricating oil in the motor body reacts with the antioxidant solution to improve the antioxidant capacity of the lubricating oil, reduce the oxidation reaction of the lubricating oil at high temperature, extend the service life of the lubricating oil and maintain its stable performance, increase cooling measures to reduce the temperature of the lubricating oil and the motor body, avoid the adverse effect of heat accumulation on the performance of the permanent magnet motor, and extend the service life of the permanent magnet motor.

[0014] 2. The utility model has a heat outlet through the front side of the outer cover. When the heat inside the outer cover is high, the hand lever is closed to push the protective frame to slide on the inner wall of the heat outlet, thereby releasing the sealing shielding of the heat outlet by the protective frame. The closed state of the protective frame is changed to adjust the heat dissipation intensity when the electric heating body is working. The heat is discharged through the heat outlet, and the outside air enters the outer cover after being filtered by the dust filter to penetrate and dissipate the heat of the motor body. The combination with the antioxidant further enhances the heat dissipation effect of the permanent magnet motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the front internal structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the motor body of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the heat dissipation agent storage tank of the utility model;

[0019] Figure 5 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0020] In the figure: 1. outer cover; 101. control panel; 102. temperature sensor; 2. bracket; 201. motor body; 202. auxiliary heat dissipation pipe; 3. assembly cover; 301. output port; 302. square port; 4. inverted plate; 401. cooling agent storage tank; 402. lower agent valve; 5. heat outlet; 501. dust filter; 6. square slot; 601. closing handle; 602. protective frame. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection or a movable connection, or a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , an embodiment provided by the utility model: a permanent magnet motor with good heat dissipation effect;

[0025] The motor body 201 includes an outer cover 1, a heat sink tank 401 and a lower valve 402. A lubricating oil cooling assembly is arranged on the inner side of the outer cover 1. The lubricating oil cooling assembly is used to assist in cooling the lubricating oil inside the motor body 201. The lubricating oil cooling assembly includes an inverted plate 4 and a heat sink tank 401. The inverted plate 4 is mounted on the inner side of the top of the outer cover 1. The heat sink tank 401 is mounted on the bottom of the inverted plate 4. An auxiliary heat dissipation pipe 202 is mounted on the top of the motor body 201. A lower valve 402 is mounted on the bottom of the heat sink tank 401. The output end of the lower valve 402 is connected to the auxiliary heat dissipation pipe 202 through a pipeline. The storage tank 401 stores antioxidants, and the temperature sensor 102 monitors the internal temperature of the outer cover 1 in real time. When the temperature is higher than a preset value, the control panel 101 controls the lower agent valve 402 to open so that the antioxidant solution in the heat sink storage tank 401 is added to the motor body 201 through the auxiliary heat dissipation pipe 202. The lubricating oil in the motor body 201 reacts with the antioxidant solution to improve the antioxidant capacity of the lubricating oil, reduce the oxidation reaction of the lubricating oil at high temperature, extend the service life of the lubricating oil and maintain its stable performance, and increase cooling measures to reduce the temperature of the lubricating oil and the motor body 201.

[0026] See also Figure 1 , Figure 2 and Figure 3 , a permanent magnet motor with good heat dissipation effect;

[0027] It includes an outer cover 1, a bracket 2 and an assembly cover 3. The bracket 2 is installed on the bottom wall of the outer cover 1, the motor body 201 is installed on the top of the bracket 2, the control panel 101 is installed on the front of the outer cover 1, and the assembly cover 3 is installed on the outer end of the outer cover 1. The outer side of the assembly cover 3 is penetrated with an output port 301, and the output shaft of the motor body 201 penetrates the inner side of the output port 301. The staff adjusts the working state and heat dissipation intensity of the motor body 201 through the control panel 101. The control panel 101 is electrically connected to the down-dose valve 402 and the closing handle 601. The assembly cover 3 seals the outer cover 1, and the assembly cover 3 is detachably connected to the outer cover 1 with bolts. The bracket 2 supports the motor body 201, and the output port 301 will not hinder or adversely affect the working rotation of the motor body 201.

[0028] See also Figure 1 , Figure 2 and Figure 5 , a permanent magnet motor with good heat dissipation effect;

[0029] The heat outlet 5 and the square groove 6 are included. A temperature sensor 102 is installed on the inner wall of the outer cover 1. The heat outlet 5 is penetrated through the front of the outer cover 1. A dust filter 501 is installed on the inner side of the heat outlet 5. A square groove 6 is opened on the inner wall of the heat outlet 5. A square opening 302 is penetrated through the outer side of the assembly cover 3. A closing handle 601 is installed on the inner side of the square groove 6. A protective frame 602 is installed on the telescopic end of the closing handle 601. The protective frame 602 penetrates the inner side of the square opening 302 and slides on the inner wall of the heat outlet 5. The square groove 6 provides a protective frame for the closing handle 601. In the installation position, when the heat inside the outer cover 1 is high, the hand lever 601 is closed, and the hand lever 601 is closed to push the protective frame 602 to slide on the inner wall of the heat outlet 5, so as to release the sealing shielding of the heat outlet 5 by the protective frame 602, and the open part of the protective frame 602 passes through the inner side of the square opening 302, and the closed state of the protective frame 602 is changed to adjust the heat dissipation intensity of the motor body 201 when it is working, and the heat is discharged through the heat outlet 5, and the outside air enters the inner part of the outer cover 1 after being filtered by the dust filter 501 to penetrate and dissipate the heat of the motor body 201.

[0030] Working principle: When using this device, first, the temperature sensor 102 monitors the internal temperature of the outer cover 1 in real time. When the temperature is higher than the preset value, the control panel 101 controls the lower agent valve 402 to open, so that the antioxidant solution in the heat dissipation agent storage tank 401 is added to the motor body 201 through the auxiliary heat dissipation pipe 202. The lubricating oil in the motor body 201 reacts with the antioxidant solution to reduce the temperature of the lubricating oil and the motor body 201. The hand lever 601 is closed to push the protective frame 602 to slide on the inner wall of the heat outlet 5, and the sealing cover of the heat outlet 5 by the protective frame 602 is released. The heat is discharged through the heat outlet 5, and the outside air is filtered by the dust filter 501 and enters the outer cover 1 to penetrate and dissipate the heat of the motor body 201, so as to dissipate the heat of the motor body 201 inside and outside.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A permanent magnet motor with good heat dissipation effect, comprising an outer cover (1), a bracket (2) and an inverted plate (4), characterized in that: A bracket (2) is mounted on the bottom wall of the outer cover (1), a motor body (201) is mounted on the top of the bracket (2), a lubricating oil cooling assembly is arranged on the inner side of the outer cover (1), the lubricating oil cooling assembly is used to assist in cooling the lubricating oil inside the motor body (201), the lubricating oil cooling assembly comprises an inverted plate (4) and a heat sink tank (401), the inverted plate (4) is mounted on the inner side of the top of the outer cover (1), and the heat sink tank (401) is mounted on the bottom of the inverted plate (4).

2. A permanent magnet motor with good heat dissipation effect according to claim 1, characterized in that: An auxiliary heat dissipation pipe (202) is installed on the top of the motor body (201).

3. A permanent magnet motor with good heat dissipation effect according to claim 2, characterized in that: A lower agent valve (402) is installed at the bottom end of the cooling agent storage tank (401), and the output end of the lower agent valve (402) is connected to the auxiliary cooling pipe (202) through a pipeline.

4. A permanent magnet motor with good heat dissipation effect according to claim 1, characterized in that: A control panel (101) is installed on the front of the outer cover (1), and a temperature sensor (102) is installed on the inner wall of the outer cover (1).

5. A permanent magnet motor with good heat dissipation effect according to claim 1, characterized in that: An assembly cover (3) is installed at the outer end of the outer cover (1), an output port (301) is provided through the outer side of the assembly cover (3), and an output shaft of the motor body (201) passes through the inner side of the output port (301).

6. A permanent magnet motor with good heat dissipation effect according to claim 1, characterized in that: A heat outlet (5) is provided through the front of the outer cover (1), and a dust filter (501) is installed on the inner side of the heat outlet (5).

7. A permanent magnet motor with good heat dissipation effect according to claim 6, characterized in that: A square groove (6) is provided on the inner wall of the heat outlet (5); a square opening (302) is provided through the outer side of the assembly cover (3); a closing handle (601) is installed on the inner side of the square groove (6); a protective frame (602) is installed on the telescopic end of the closing handle (601); and the protective frame (602) passes through the inner side of the square opening (302) and slides on the inner wall of the heat outlet (5).

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