Motor overheating protection mechanism

Abstract

The utility model relates to a motor overheating protection mechanism which comprises a box body, the inner side wall of the box body is fixedly connected with a motor body, the inner side wall of the box body is fixedly connected with a fan, the side wall of the box body is provided with an air inlet hole, and the inner side wall of the box body is fixedly connected with a mounting plate. According to the motor overheating protection mechanism, the box body is arranged, when the temperature of the inner side of the box body is too high, a temperature sensor is triggered, a water pump and a semiconductor refrigeration plate are powered on, the water pump pumps cooling liquid in a liquid storage box of the water pump, the pumped cooling liquid is conveyed to the inner side of a condensation pipe through a connecting pipe, a draught fan is started, and the draught fan blows air; according to the motor cooling device, the motor body is cooled by the cold air, and the cooling liquid in the condensation pipe flows back to the inner side of the box body by the backflow pipe, so that the cooling liquid is recycled, and the motor is prevented from being damaged due to overheating; and a filter plate is arranged, so that dust in air holes can be filtered, and the motor body and the fan are prevented from being damaged by the dust.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a motor overheat protection mechanism. Background Art

[0002] A motor is a device that converts electrical energy into mechanical energy. It uses the principle of electromagnetic induction and the effect of electric current in a magnetic field to generate rotational torque, thereby driving mechanical devices. Motors are widely used in various fields, including industrial production, transportation, household appliances, aerospace, etc. According to the working principle and structural characteristics, motors can be divided into two categories: DC motors and AC motors. In DC motors, current flows in one direction, while in AC motors, current changes periodically. In addition, according to different uses and working conditions, there are various types of motors, such as synchronous motors, asynchronous motors, stepper motors, brushless motors, etc. The main components of a motor include a stator (stationary part) and a rotor (rotating part), as well as a winding connected to a power supply, a magnetic field generating device, etc. The performance parameters of a motor include rated power, rated speed, efficiency, torque, etc. These parameters determine the scope of use and applicable scenarios of the motor.

[0003] The existing motors have poor heat dissipation. During operation, the internal stator and rotor generate heat due to friction, which is difficult for users to detect. The heat cannot be effectively dissipated, and the temperature rises. When the overheating situation worsens, the motor will be seriously damaged or scrapped, causing many inconveniences in the use and maintenance of the motor, and increasing the cost of motor maintenance, and shortening the service life of the motor, seriously affecting the efficiency of the motor. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a motor overheating protection mechanism, which has the advantages of being able to protect the motor from overheating, etc., and solves the problem that during operation, the internal stator and rotor generate heat due to friction, which is difficult for the user to detect, the heat cannot be effectively dissipated, and the temperature rises. When the overheating situation worsens, it will cause serious damage or even scrapping of the motor, causing many inconveniences in the use and maintenance of the motor, and increasing the cost of motor maintenance, and shortening the service life of the motor, seriously affecting the use efficiency of the motor.

[0005] To achieve the above object, the utility model provides the following technical solution: a motor overheat protection mechanism, comprising a box, the inner side wall of the box is fixedly connected to the motor body, the inner side wall of the box is fixedly connected to the fan, the side wall of the box is provided with an air inlet hole, and the inner side wall of the box is fixedly connected to the mounting plate;

[0006] A condenser is fixedly installed on the outer side of the mounting plate, a liquid storage tank is fixedly connected to the inner side wall of the box body, a semiconductor refrigeration plate is fixedly connected to the inner side wall of the liquid storage tank, a water pump is installed on the inner side wall of the liquid storage tank, and the output end of the water pump is connected to the condenser.

[0007] Furthermore, a cover plate is installed at the front end of the box body, and the cover plate is fixedly connected to the box body by fixing bolts. The number of the fixing bolts is four and they are symmetrically distributed.

[0008] Furthermore, a heat dissipation hole is opened at the upper end of the box body, a dustproof cloth is fixedly connected to the inner wall of the box body, the dustproof cloth covers the heat dissipation hole, and a temperature sensor is fixedly connected to the inner wall of the box body.

[0009] Furthermore, a mounting groove is provided on the side wall of the air inlet hole, and a filter plate is fixedly connected to the inner side wall of the mounting groove, and the specification of the filter plate is larger than the specification of the air inlet hole.

[0010] Furthermore, the surface of the mounting plate is provided with ventilation holes, the number of the ventilation holes is several, and the several ventilation holes are distributed in a rectangular array.

[0011] Furthermore, the outer side of the liquid storage tank is connected to a reflux pipe, the other end of the reflux pipe is connected to the condenser, the upper end of the liquid storage tank is provided with a liquid adding hole, and the inner side of the liquid adding hole is movably connected to a blocking cover.

[0012] Furthermore, the drainage end of the water pump is connected to a connecting pipe, and the other end of the connecting pipe is connected to the condensation pipe.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The motor overheat protection mechanism is provided with a box body. When the temperature inside the box body is too high, the temperature sensor is triggered, the water pump and the semiconductor refrigeration plate are energized, the water pump extracts the coolant in its liquid storage tank, and the extracted coolant is transported to the inside of the condenser tube through the connecting pipe, the fan is started, and the fan blows air so that the cold air cools the motor body. The reflux pipe is provided so that the coolant in the condenser tube flows back to the inside of the box body so that the coolant is recycled, thereby avoiding the motor from being overheated and damaged. The provision of the waterproof and breathable membrane can prevent moisture from entering the inside of the motor body and causing damage to the motor body. The provision of the filter plate can filter the dust in the air holes to avoid the dust from causing damage to the motor body and the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2It is a schematic cross-sectional view of the structure of the utility model;

[0017] Figure 3 It is a three-dimensional schematic diagram of the structural installation plate of the utility model.

[0018] In the figure: 1. Box body; 101. Cover plate; 102. Fixing bolts; 103. Heat dissipation holes; 104. Dust-proof cloth; 105. Temperature sensor; 2. Motor body; 3. Fan; 4. Air inlet hole; 401. Filter plate; 5. Mounting plate; 501. Air vent; 502. Waterproof breathable membrane; 6. Condenser; 7. Liquid storage tank; 701. Reflux pipe; 702. Liquid adding hole; 703. Cover; 8. Semiconductor refrigeration plate; 9. Water pump; 901. Connecting pipe. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3 In this embodiment, a motor overheat protection mechanism comprises a box body 1, a rotating hole is opened on the side wall of the box body 1, a cover plate 101 is installed at the front end of the box body 1, and the cover plate 101 is fixedly connected to the box body 1 by fixing bolts 102. The number of fixing bolts 102 is four and they are symmetrically distributed;

[0021] A heat dissipation hole 103 is opened at the upper end of the box body 1, and a dustproof cloth 104 is fixedly connected to the inner wall of the box body 1. The dustproof cloth 104 covers the heat dissipation hole 103. The dustproof cloth 104 can prevent dust from entering the inner side of the box body 1 through the heat dissipation hole 103. A temperature sensor 105 is fixedly connected to the inner wall of the box body 1. The temperature sensor 105 can sense and trigger the temperature inside the box body 1. The inner wall of the box body 1 is fixedly connected to the motor body 2, and the output shaft of the motor body 2 is located on the inner side of the rotating hole.

[0022] The inner wall of the box body 1 is fixedly connected with a fan 3, the side wall of the box body 1 is provided with an air inlet hole 4, the air inlet end of the fan 3 is connected with the air inlet hole 4, the side wall of the air inlet hole 4 is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a filter plate 401, the filter plate 401 can filter the incoming air to prevent dust from entering the inner side of the box body 1, and the specification of the filter plate 401 is larger than the specification of the air inlet hole 4;

[0023] The inner wall of the box body 1 is fixedly connected with a mounting plate 5, and a surface of the mounting plate 5 is provided with ventilation holes 501. There are a plurality of ventilation holes 501, and the ventilation holes 501 are distributed in a rectangular array. The arrangement of the ventilation holes 501 enables the heat dissipation of the motor body 2 to be uniform. A waterproof and breathable membrane 502 is fixedly connected to the outer side of the mounting plate 5.

[0024] A condenser 6 is fixedly installed on the outside of the mounting plate 5. The condenser 6 is bent and installed on the outside of the mounting plate 5. A liquid storage tank 7 is fixedly connected to the inner wall of the box body 1. A return pipe 701 is connected to the outside of the liquid storage tank 7. The other end of the return pipe 701 is connected to the condenser 6. The setting of the return pipe 701 allows the coolant in the condenser 6 to be recycled. A liquid adding hole 702 is opened at the upper end of the liquid storage tank 7. The setting of the liquid adding hole 702 allows liquid to be added to the liquid storage tank 7. A blocking cover 703 is movably connected to the inner side of the liquid adding hole 702. The blocking cover 703 can block the liquid adding hole 702.

[0025] A semiconductor refrigeration plate 8 is fixedly connected to the inner wall of the liquid storage tank 7, and the semiconductor refrigeration plate 8 can refrigerate the liquid in the liquid storage tank 7. A water pump 9 is installed on the inner wall of the liquid storage tank 7. The drainage end of the water pump 9 is connected to a connecting pipe 901, and the other end of the connecting pipe 901 is connected to the condenser 6. The output end of the water pump 9 is connected to the condenser 6.

[0026] In this embodiment, by setting up a box body 1, when the temperature inside the box body 1 is too high, the temperature sensor 105 is triggered, the water pump 9 and the semiconductor refrigeration plate 8 are energized, the water pump 9 extracts the coolant in its liquid storage tank 7, and the extracted coolant is transported to the inside of the condenser 6 through the connecting pipe 901, the fan 3 is started, and the fan 3 blows air so that the cold air cools down the motor body 2. The reflux pipe 701 is set to allow the coolant in the condenser 6 to flow back to the inside of the box body 1, so that the coolant is recycled, thereby avoiding overheating and damage of the motor body 2.

[0027] The working principle of the above embodiment is:

[0028] By setting up the box body 1, when the temperature inside the box body 1 is too high, the temperature sensor 105 is triggered, the water pump 9 and the semiconductor refrigeration plate 8 are energized, the water pump 9 extracts the coolant in its liquid storage tank 7, and the extracted coolant is transported to the inside of the condenser 6 through the connecting pipe 901, the fan 3 is started, and the fan 3 blows air, so that the cold air cools down the motor body 2. The reflux pipe 701 is set to make the coolant in the condenser 6 flow back to the inside of the box body 1, so that the coolant is recycled, thereby avoiding the motor body 2 from being overheated and damaged; the setting of the waterproof and breathable membrane 502 can prevent moisture from entering the inside of the motor body 2 and causing damage to the motor body 2; and the setting of the filter plate 401 can filter the dust in the air holes to avoid the dust from damaging the motor body 2 and the fan 3.

[0029] 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. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] 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 motor overheat protection mechanism, comprising a housing (1), characterized in that: The inner wall of the box body (1) is fixedly connected to a motor body (2), the inner wall of the box body (1) is fixedly connected to a fan (3), the side wall of the box body (1) is provided with an air inlet hole (4), and the inner wall of the box body (1) is fixedly connected to a mounting plate (5); A condenser (6) is fixedly mounted on the outer side of the mounting plate (5); a liquid storage tank (7) is fixedly connected to the inner side wall of the box body (1); a semiconductor refrigeration plate (8) is fixedly connected to the inner side wall of the liquid storage tank (7); a water pump (9) is mounted on the inner side wall of the liquid storage tank (7); and an output end of the water pump (9) is connected to the condenser (6).

2. A motor overheat protection mechanism according to claim 1, characterized in that: A cover plate (101) is installed at the front end of the box body (1), and the cover plate (101) is fixedly connected to the box body (1) via fixing bolts (102). The number of the fixing bolts (102) is four and they are symmetrically distributed.

3. A motor overheat protection mechanism according to claim 1, characterized in that: A heat dissipation hole (103) is provided at the upper end of the box body (1), a dustproof cloth (104) is fixedly connected to the inner wall of the box body (1), and the dustproof cloth (104) covers the heat dissipation hole (103), and a temperature sensor (105) is fixedly connected to the inner wall of the box body (1).

4. A motor overheat protection mechanism according to claim 1, characterized in that: A mounting groove is provided on the side wall of the air inlet hole (4), and a filter plate (401) is fixedly connected to the inner side wall of the mounting groove. The specification of the filter plate (401) is larger than that of the air inlet hole (4).

5. The motor overheat protection mechanism according to claim 1, characterized in that: The surface of the mounting plate (5) is provided with ventilation holes (501), the number of the ventilation holes (501) is a plurality, and the plurality of ventilation holes (501) are distributed in a rectangular array.

6. A motor overheat protection mechanism according to claim 1, characterized in that: The outer side of the liquid storage tank (7) is connected to a reflux pipe (701), the other end of which is connected to the condenser (6). The upper end of the liquid storage tank (7) is provided with a liquid adding hole (702), and the inner side of the liquid adding hole (702) is movably connected to a blocking cover (703).

7. The motor overheat protection mechanism according to claim 1, characterized in that: The drainage end of the water pump (9) is connected to a connecting pipe (901), and the other end of the connecting pipe (901) is connected to a condensation pipe (6).

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