High-efficiency motor capable of automatically detecting temperature of bearing and prolonging life cycle

Abstract

The utility model discloses a high-efficiency motor capable of automatically detecting the temperature of a bearing and prolonging the life cycle, which comprises a motor main body, the motor main body comprises an outer shell, a front end cover and a rear end cover are respectively arranged at the front end and the rear end of the outer shell, a stator and rotor structure is arranged in the outer shell, and a rotating shaft of the rotor structure is connected to the front end cover and the rear end cover through the bearing. Temperature detection structures are arranged at the front end cover and the rear end cover and comprise reinforcing ribs distributed on the end covers, through grooves are formed in the reinforcing ribs and communicated with the outside and the bearings, hoses are arranged in the through grooves, detection probes are arranged at one ends of the hoses, electric wires are further arranged in the hoses, and the electric wires are connected with an external junction box. The temperature detection structures are arranged on the front end cover and the rear end cover of the motor to measure the temperature of the front bearing and the rear bearing, so that the motor is monitored and protected, meanwhile, the fan work can be adjusted according to the detection result to realize cooling, and the service life of the motor is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a high-efficiency motor equipped with a function of automatically detecting bearing temperature and extending the life cycle. Background Art

[0002] The existing invention patent with application number 201010230597.0 discloses a device and method for detecting the temperature of a motor bearing, wherein the detection equipment includes a double-layer sleeve and a temperature sensor. The double-layer sleeve is inserted into the bearing chamber by drilling a hole on the end cover, and the temperature sensor is in contact with the bearing to realize temperature detection. However, the outer tube of the above structure is in contact with the bearing, and the detection of the temperature sensor on the inner tube is realized by heat transfer, which has the problem of inaccurate detection. On the other hand, there is no subsequent heat dissipation and cooling measures after the bearing temperature is detected, and there is still room for improvement overall. Utility Model Content

[0003] The purpose of the utility model is to provide a motor that can effectively and accurately detect the bearing temperature and extend the life of the motor in view of the shortcomings of the above-mentioned background technology.

[0004] To achieve the above purpose, the utility model is a high-efficiency motor equipped with automatic bearing temperature detection to extend the life cycle, which adopts the following technical solutions:

[0005] A high-efficiency motor equipped with a device for automatically detecting bearing temperature and extending the life cycle, comprises a motor main body, the motor main body comprises an outer shell, the front and rear ends of the outer shell are respectively provided with a front cover and a rear cover, the outer shell is provided with a stator and a rotor structure, the rotating shaft of the rotor structure is connected to the front cover and the rear cover through a bearing, the front cover and the rear cover are provided with a temperature detection structure with the same structure, the temperature detection structure comprises a reinforcing rib arranged on the end cover, the reinforcing rib is provided with a through groove, the through groove connects the outside with the bearing, a thread is provided at one end of the through groove close to the outside, a hose is provided in the through groove, a detection probe is provided at one end of the hose, an electric wire is also provided in the hose, a threaded portion is provided at the other end of the hose, the threaded portion is connected to the threaded portion of the through groove, the electric wire extends out of the threaded portion and is connected to an external junction box.

[0006] A further improvement of the utility model is that a high-efficiency motor equipped with automatic bearing temperature detection to extend the life cycle is that a variable frequency wind cover assembly is also provided at the rear end of the motor body. The variable frequency wind cover assembly includes a wind cover, a fan is provided inside the wind cover, and the fan is rotatably connected to the fan blades. A mesh is provided on the rear end surface of the wind cover.

[0007] A further improvement of the utility model, which is equipped with a high-efficiency motor with automatic detection of bearing temperature to extend the life cycle, is that a junction box is arranged on the outside of the wind hood, the wires in the through slot on the front end cover are connected to the junction box through a metal hose, the metal hose is connected to the outer shell through a buckle, an opening is provided at the junction box at the connection with the wind hood, and the wires in the through slot on the rear end cover are directly connected to the junction box.

[0008] A further improvement of the high-efficiency motor equipped with an automatic bearing temperature detection device for extending the service life of the utility model is that a spring is arranged between the detection probe and the screw connection part, and the hose passes through the spring.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model provides temperature detection structures on the front and rear end covers of the motor to measure the temperature of the front and rear bearings, thereby monitoring and protecting the motor. At the same time, the fan operation can be adjusted according to the detection result to achieve cooling, thereby extending the service life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a front view structural schematic diagram of the utility model;

[0012] Figure 2 for Figure 1 A right view structural diagram of ;

[0013] Figure 3 for Figure 1 Schematic diagram of the left view structure;

[0014] Figure 4 for Figure 3 AA direction cross-sectional view.

[0015] In the figure: 1 outer shell, 2 front cover, 3 rear cover, 4 stator structure, 5 rotating shaft, 6 reinforcing ribs, 7 bearings, 8 hoses, 9 detection probes, 10 screw connection parts, 11 metal hoses, 12 junction boxes, 13 wind hoods, 14 fans, and 15 fan blades. DETAILED DESCRIPTION

[0016] 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.

[0017] like Figures 1 to 4As shown, a high-efficiency motor equipped with automatic bearing temperature detection to extend the life cycle includes a motor body, the motor body includes an outer shell 1, and the front and rear ends of the outer shell are respectively provided with a front cover 2 and a rear cover 3, and the outer shell is provided with a stator structure 4 and a rotor structure, and the rotating shaft of the rotor structure is connected to the front cover and the rear cover through a bearing 7. The above structure is a conventional structure of an existing motor. Further, the front cover and the rear cover are provided with a temperature detection structure of the same structure. Specifically, the temperature detection structure includes a reinforcing rib 6 arranged on the end cover, and a through groove is opened on the reinforcing rib, and the through groove is connected to the outside and the bearing, and a thread is provided at one end of the through groove close to the outside, and a hose 8 is provided in the through groove, and a detection probe 9 is provided at one end of the hose, and an electric wire is also provided in the hose, and a threaded portion 10 is provided at the other end of the hose, which is connected to the threaded portion of the through groove, and the electric wire extends out of the threaded portion and is connected to an external junction box 12.

[0018] Furthermore, a variable frequency wind shield assembly is provided at the rear end of the motor body, and the variable frequency wind shield assembly includes a wind shield 13, which is connected to the outer shell. A fan 14 is provided in the wind shield, and a fan blade 15 is connected to the fan for rotation. A mesh is provided on the rear end surface of the wind shield. The fan is provided to achieve heat dissipation and cooling.

[0019] Furthermore, the junction box is arranged on the outside of the wind hood, and the wires in the through slot on the front cover are connected to the junction box through a metal hose 11, and the metal hose is connected to the outer shell through a buckle. An opening is provided at the connection between the junction box and the wind hood, and the wires in the through slot on the rear cover are directly connected to the junction box through the opening.

[0020] Furthermore, a spring (not shown in the figure) is provided between the detection probe and the screw connection portion, and the hose passes through the spring. The design of the spring ensures the contact between the detection probe and the bearing, thereby ensuring the accuracy of the detection structure.

[0021] The working principle of the utility model is as follows: the detection probe is extended into the through groove to contact the bearing, and the screw connection part is screwed into the through groove to ensure the stable connection of the detection structure. At this time, the detection probe detects and monitors the bearing temperature; at the same time, the fan can be started as needed to dissipate heat and cool the rear end bearing and the entire motor.

[0022] 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 high-efficiency motor equipped with an automatic bearing temperature detection device to extend the life cycle, comprising a motor body, the motor body comprising an outer shell, the front and rear ends of the outer shell are respectively provided with a front cover and a rear cover, the outer shell is provided with a stator and a rotor structure, the rotating shaft of the rotor structure is connected to the front cover and the rear cover through a bearing, characterized in that: The front end cover and the rear end cover are provided with temperature detection structures of the same structure, and the temperature detection structure includes reinforcing ribs arranged on the end covers, and the reinforcing ribs are provided with through grooves, and the through grooves are connected to the outside and the bearing. A thread is provided at one end of the through groove close to the outside, and a hose is provided in the through groove. A detection probe is provided at one end of the hose, and an electric wire is also provided in the hose. A threaded portion is provided at the other end of the hose, which is connected to the threaded portion of the through groove, and the electric wire extends out of the threaded portion and is connected to an external junction box.

2. According to claim 1, a high-efficiency motor equipped with automatic bearing temperature detection to extend the life cycle is characterized in that: The rear end of the motor body is also provided with a variable frequency wind cover assembly, which includes a wind cover, a fan is arranged inside the wind cover, and the fan is rotatably connected with fan blades, and a mesh is arranged on the rear end surface of the wind cover.

3. A high-efficiency motor equipped with automatic bearing temperature detection to extend the life cycle according to claim 2, characterized in that: The junction box is arranged on the outside of the wind hood, the wires in the through slot on the front cover are connected to the junction box through a metal hose, the metal hose is connected to the outer shell through a buckle, an opening is provided at the junction box and the wind hood connection, and the wires in the through slot on the rear cover are directly connected to the junction box.

4. A high-efficiency motor equipped with automatic bearing temperature detection to extend the life cycle according to claim 3, characterized in that: A spring is arranged between the detection probe and the threaded connection portion, and the hose passes through the spring.

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