Motor with overtemperature protection

Abstract

The utility model discloses a motor with overtemperature protection, which comprises an outer shell, one side of the outer shell is movably connected with a rotating shaft, the bottom end of the outer shell is fixedly connected with an installation cover, the other side of the outer shell is fixedly connected with a fixed cover, and the inner part of the outer shell is fixedly connected with a metal inner shell. A protection mechanism used for preventing the temperature from being too high is arranged in the mounting cover. The motor with overtemperature protection is provided with the connecting port, the mounting cover, the connecting wire, the wire connector, the conductor wire, the temperature sensor and the controller, a circuit is connected with the connecting port during operation, the connecting port supplies power to the motor through the connecting wire and the conductor wire, and the temperature sensor can monitor the internal temperature in real time during operation, so that the motor is convenient to use. When the temperature is too high, a signal is transmitted to the controller, and the controller turns off the wire connector, so that the connecting wire and the conductive wire are disconnected to stop the motor, the temperature is prevented from continuing to rise, and the problem that the temperature cannot be effectively prevented from being too high is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of household electrical motors, in particular to a motor with over-temperature protection. Background Art

[0002] Motors are installed inside many home appliances to drive the internal mechanisms. The motors in home appliances are generally small in size because of the small installation space. Due to the special nature of home appliances, such motors generally need to run for a long time, which requires the motors to have strong stability.

[0003] However, the small motors used in home appliances still have some defects when they are used. Because they need to run for a long time, the temperature will continue to rise. When the temperature exceeds a certain value, the motor will be worn out faster, thus affecting the service life of the motor.

[0004] Now a new type of motor with over-temperature protection is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a motor with over-temperature protection to solve the problem that the above-mentioned background technology cannot effectively prevent over-temperature.

[0006] To achieve the above object, the utility model provides the following technical solution: a motor with over-temperature protection, comprising a housing, one side of the housing is movably connected to a rotating shaft, the bottom end of the housing is fixedly connected to a mounting cover, the other side of the housing is fixedly connected to a fixing cover, the interior of the housing is fixedly connected to a metal inner shell, and the interior of the mounting cover is provided with a protection mechanism for preventing over-temperature;

[0007] The protection mechanism includes a temperature sensor and a controller. The bottom end of the shell is fixedly connected to the controller, one side of the bottom end of the shell is fixedly connected to the temperature sensor, the bottom end of the controller is fixedly connected to a connector, one side of the connector is fixedly connected to a connecting wire, the other side of the connector is fixedly connected to a conductive wire, and one side of the mounting cover is fixedly connected to a connecting port.

[0008] Preferably, the connecting wire passes through one side of the mounting cover and is electrically connected to the connecting port, and the conductive wire passes through the bottom end of the outer shell and extends to the inside of the outer shell.

[0009] Preferably, the temperature sensor passes through the bottom end of the shell and extends to the inside of the shell, and the temperature sensor is electrically connected to the controller.

[0010] Preferably, a vent is provided on the outside of the fixed cover, a dust screen is fixedly connected to the inside of the vent, a through slot is provided on one side of the outer shell, a heat conducting plate is fixedly connected to one side of the metal inner shell, the heat conducting plate passes through the through slot and extends to the inside of the fixed cover where a heat sink is fixedly connected.

[0011] Preferably, the heat sinks on one side of the heat conducting plate are arranged at equal intervals, and the vents are connected to the interior of the fixed cover.

[0012] Preferably, the top end of the outer shell is movably connected with a positioning cover plate, the interior of the positioning cover plate is fixedly connected with a mounting cover, the interior of the mounting cover is fixedly connected with a metal cover, two groups of fixing cylinders are fixedly connected to both sides of the top of the shell, one side of the interior of the fixing cylinder is fixedly connected with a spring, one side of the spring is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a positioning pin, both ends of both sides of the top of the positioning cover plate are fixedly connected with positioning slots, a movable groove is provided at the top of the fixing cylinder, and a pull plate is fixedly connected to the top of the connecting block.

[0013] Preferably, the pull plate passes through the movable groove and extends to the outside of the fixed cylinder, and the pull plate is slidably connected to the movable groove.

[0014] Preferably, the positioning pin passes through one side of the fixing tube and extends to the interior of the positioning slot, and the positioning pin is movably connected to the positioning slot.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the motor with over-temperature protection not only realizes over-temperature protection, realizes effective heat dissipation and temperature reduction, but also realizes convenient internal maintenance;

[0016] (1) A connection port, a mounting cover, a connection line, a wiring connector, a conductive line, a temperature sensor and a controller are provided. During operation, the circuit is connected to the connection port, and the connection port supplies power to the motor through the connection line and the conductive line. During operation, the temperature sensor can monitor the internal temperature in real time. When the temperature is too high, the signal is transmitted to the controller. The controller closes the wiring connector, thereby disconnecting the connection line and the conductive line, stopping the motor and preventing the temperature from continuing to rise. This realizes that the motor can be protected when the temperature is too high during operation.

[0017] (2) By providing a fixed cover, a heat conducting plate, a heat sink, a vent, a through slot and a dust screen, during the operation of the motor, the heat conducting plate attached to one side of the metal inner shell can exchange heat with the metal inner shell in real time, quickly conduct the internal heat of the motor absorbed by the metal inner shell, and conduct it to the inside of the heat sink, while the vents opened on the outside of the fixed cover can ensure rapid circulation of air inside the fixed cover, and heat can be taken away by heat exchange with the heat sink during the air circulation process, thereby achieving heat dissipation and cooling of the motor, and achieving rapid heat dissipation and cooling during operation;

[0018] (3) By providing a positioning cover plate, a mounting cover, a metal cover, a fixing tube, a positioning slot, a pull plate, a movable slot, a positioning pin, a connecting block and a spring, when it is necessary to inspect the interior, the pull plate is pulled to drive the positioning pin to move to one side through the connecting block, so that the positioning pin is disengaged from the interior of the positioning slot. Then, the positioning cover plate can be pulled to remove the mounting cover and the metal cover from the top of the outer shell, thereby facilitating the inspection of the interior from the top. After the inspection is completed, the positioning cover plate is covered back on the top of the outer shell, and then the positioning pin is inserted into the interior of the positioning slot under the push of the spring, so that the positioning cover plate is positioned through the positioning slot, thereby facilitating the inspection of the interior of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view structural diagram of the fixed cover of the utility model;

[0021] Figure 3 This is a schematic diagram of the top view structure of the positioning cover plate of the utility model;

[0022] Figure 4 For the utility model Figure 1 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1. outer shell; 2. rotating shaft; 3. metal inner shell; 4. positioning cover plate; 5. mounting cover; 6. metal cover; 7. fixing cover; 8. heat conducting plate; 9. heat sink; 10. ventilation port; 11. through slot; 12. connecting port; 13. mounting cover; 14. connecting wire; 15. connector; 16. conductive wire; 17. temperature sensor; 18. controller; 19. dust net; 20. fixing cylinder; 21. positioning slot; 22. pull plate; 23. movable slot; 24. positioning pin; 25. connecting block; 26. spring. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1: Please refer to Figure 1-4 A motor with over-temperature protection comprises a housing 1, a rotating shaft 2 is movably connected to one side of the housing 1, a mounting cover 13 is fixedly connected to the bottom end of the housing 1, a fixing cover 7 is fixedly connected to the other side of the housing 1, a metal inner shell 3 is fixedly connected to the inside of the housing 1, and a protection mechanism for preventing over-temperature is arranged inside the mounting cover 13;

[0026] The protection mechanism includes a temperature sensor 17 and a controller 18. The bottom end of the housing 1 is fixedly connected to the controller 18. One side of the bottom end of the housing 1 is fixedly connected to the temperature sensor 17. The bottom end of the controller 18 is fixedly connected to a connector 15. One side of the connector 15 is fixedly connected to a connecting wire 14. The other side of the connector 15 is fixedly connected to a conductive wire 16. One side of the mounting cover 13 is fixedly connected to a connecting port 12.

[0027] The connection line 14 passes through one side of the mounting cover 13 and is electrically connected to the connection port 12 , and the conductive line 16 passes through the bottom end of the housing 1 and extends to the interior of the housing 1 ;

[0028] The temperature sensor 17 passes through the bottom end of the housing 1 and extends to the interior of the housing 1 . The temperature sensor 17 is electrically connected to the controller 18 .

[0029] Specifically, Figure 1 As shown, during operation, the circuit is connected to the connection port 12, and the connection port 12 supplies power to the motor through the connection line 14 and the conductive line 16. During operation, the temperature sensor 17 can monitor the internal temperature in real time. When the temperature is too high, the signal is transmitted to the controller 18. The controller 18 closes the connector 15, thereby disconnecting the connection line 14 and the conductive line 16, stopping the motor and preventing the temperature from continuing to rise, thereby protecting the motor when the temperature is too high during operation.

[0030] Embodiment 2: A vent 10 is provided on the outside of the fixed cover 7, a dust screen 19 is fixedly connected to the inside of the vent 10, a through slot 11 is provided on one side of the outer shell 1, a heat conducting plate 8 is fixedly connected to one side of the metal inner shell 3, the heat conducting plate 8 passes through the through slot 11 and extends to the inside of the fixed cover 7 and is fixedly connected to a heat sink 9;

[0031] The heat sinks 9 on one side of the heat conducting plate 8 are arranged at equal intervals, and the vents 10 are connected to the interior of the fixed cover 7;

[0032] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, during the operation of the motor, the heat conducting plate 8 attached to one side of the metal inner shell 3 can exchange heat with the metal inner shell 3 in real time, quickly conduct the internal heat of the motor absorbed by the metal inner shell 3, and conduct it to the inside of the heat sink 9, and the vents 10 opened on the outside of the fixed cover 7 can ensure the rapid circulation of air inside the fixed cover 7. The heat can be taken away by heat exchange with the heat sink 9 during the air circulation process, thereby achieving heat dissipation and cooling of the motor, and realizing rapid heat dissipation and cooling during operation.

[0033] Embodiment 3: The top of the outer shell 1 is movably connected with a positioning cover plate 4, the inside of the positioning cover plate 4 is fixedly connected with a mounting cover 5, the inside of the mounting cover 5 is fixedly connected with a metal cover 6, two groups of fixing cylinders 20 are fixedly connected to the two sides of the top of the shell 1, one side of the inside of the fixing cylinder 20 is fixedly connected with a spring 26, one side of the spring 26 is fixedly connected with a connecting block 25, one side of the connecting block 25 is fixedly connected with a positioning pin 24, the two ends of the top of the positioning cover plate 4 are fixedly connected with positioning slots 21, the top of the fixing cylinder 20 is provided with a movable groove 23, and the top of the connecting block 25 is fixedly connected with a pull plate 22;

[0034] The pull plate 22 passes through the movable groove 23 and extends to the outside of the fixed tube 20, and the pull plate 22 is slidably connected with the movable groove 23;

[0035] The positioning pin 24 passes through one side of the fixing tube 20 and extends to the inside of the positioning slot 21. The positioning pin 24 is movably connected to the positioning slot 21.

[0036] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, when it is necessary to inspect the interior, pull the pull plate 22 through the connecting block 25 to drive the positioning pin 24 to move to one side, so that the positioning pin 24 is disengaged from the interior of the positioning slot 21. Then, the positioning cover 4 can be pulled to remove the mounting cover 5 and the metal cover 6 from the top of the outer shell 1, so as to facilitate the inspection of the interior from the top. After the inspection is completed, the positioning cover 4 is covered back on the top of the outer shell 1, and then the positioning pin 24 is inserted into the interior of the positioning slot 21 under the push of the spring 26, so that the positioning cover 4 is positioned through the positioning slot 21, so that the interior of the motor can be easily inspected.

[0037] Working principle: When the utility model is in use, the circuit is connected to the connection port 12, and the connection port 12 supplies power to the motor through the connection line 14 and the conductive line 16. While the motor is running, the temperature sensor 17 can monitor the internal temperature in real time. When the temperature is too high, the signal is transmitted to the controller 18. The controller 18 closes the connector 15, thereby disconnecting the connection line 14 and the conductive line 16, so that the motor stops running to prevent the temperature from continuing to rise. During the operation of the motor, the heat conducting plate 8 attached to one side of the metal inner shell 3 can exchange heat with the metal inner shell 3 in real time, quickly conduct the internal heat of the motor absorbed by the metal inner shell 3, and conduct it to the inside of the heat sink 9, while the fixed cover 7 is opened on the outside. The vent 10 can ensure that the air inside the fixed cover 7 circulates quickly. The heat exchange with the heat sink 9 during the air circulation process can take away the heat, thereby realizing the heat dissipation and cooling of the motor. When it is necessary to inspect the inside, pull the pull plate 22 to drive the positioning pin 24 to move to one side through the connecting block 25, so that the positioning pin 24 is disengaged from the inside of the positioning slot 21. Then, the positioning cover 4 can be pulled to remove the installation cover 5 and the metal cover 6 from the top of the outer shell 1, so as to facilitate the inspection of the inside from the top. After the inspection is completed, the positioning cover 4 is covered back on the top of the outer shell 1, and then the positioning pin 24 is inserted into the inside of the positioning slot 21 under the push of the spring 26, so as to position the positioning cover 4 through the positioning slot 21.

Claims

1. A motor with over-temperature protection, comprising a housing (1), characterized in that: One side of the outer shell (1) is movably connected to a rotating shaft (2), the bottom end of the outer shell (1) is fixedly connected to a mounting cover (13), the other side of the outer shell (1) is fixedly connected to a fixing cover (7), the interior of the outer shell (1) is fixedly connected to a metal inner shell (3), and a protective mechanism for preventing excessive temperature is provided inside the mounting cover (13); The protection mechanism comprises a temperature sensor (17) and a controller (18); the bottom end of the housing (1) is fixedly connected to the controller (18); one side of the bottom end of the housing (1) is fixedly connected to the temperature sensor (17); the bottom end of the controller (18) is fixedly connected to a connector (15); one side of the connector (15) is fixedly connected to a connecting wire (14); the other side of the connector (15) is fixedly connected to a conductive wire (16); and one side of the mounting cover (13) is fixedly connected to a connecting port (12).

2. The motor with over-temperature protection according to claim 1, characterized in that: The connecting wire (14) passes through one side of the mounting cover (13) and is electrically connected to the connecting port (12); the conductive wire (16) passes through the bottom end of the outer shell (1) and extends to the interior of the outer shell (1).

3. The motor with over-temperature protection according to claim 1, characterized in that: The temperature sensor (17) passes through the bottom end of the outer shell (1) and extends to the interior of the outer shell (1); the temperature sensor (17) is electrically connected to the controller (18).

4. The motor with over-temperature protection according to claim 1, characterized in that: The fixed cover (7) is provided with a vent (10) on the outside, a dust screen (19) is fixedly connected to the inside of the vent (10), a through slot (11) is provided on one side of the outer shell (1), a heat conducting plate (8) is fixedly connected to one side of the metal inner shell (3), and the heat conducting plate (8) passes through the through slot (11) and extends to the inside of the fixed cover (7) and is fixedly connected to a heat sink (9).

5. The motor with over-temperature protection according to claim 4, characterized in that: The heat sinks (9) on one side of the heat conducting plate (8) are arranged at equal intervals, and the vents (10) are connected to the interior of the fixed cover (7).

6. The motor with over-temperature protection according to claim 1, characterized in that: The top of the outer shell (1) is movably connected to a positioning cover plate (4), the interior of the positioning cover plate (4) is fixedly connected to a mounting cover (5), the interior of the mounting cover (5) is fixedly connected to a metal cover (6), two groups of fixing cylinders (20) are respectively fixedly connected to the two sides of the top of the shell (1), one side of the interior of the fixing cylinder (20) is fixedly connected to a spring (26), one side of the spring (26) is fixedly connected to a connecting block (25), one side of the connecting block (25) is fixedly connected to a positioning pin (24), both ends of the top of the positioning cover plate (4) are fixedly connected to positioning slots (21), the top of the fixing cylinder (20) is provided with a movable groove (23), and the top of the connecting block (25) is fixedly connected to a pull plate (22).

7. The motor with over-temperature protection according to claim 6, characterized in that: The pulling plate (22) penetrates the movable groove (23) and extends to the outside of the fixed cylinder (20), and the pulling plate (22) is slidably connected to the movable groove (23).

8. The motor with over-temperature protection according to claim 6, characterized in that: The positioning pin (24) passes through one side of the fixing tube (20) and extends to the interior of the positioning slot (21); the positioning pin (24) is movably connected to the positioning slot (21).

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