Motor operation temperature detection structure

Abstract

The utility model discloses a motor operation temperature detection structure, which comprises a rotor and a stator core arranged outside the rotor, the inner surface of the stator core is provided with a plurality of stator teeth, a temperature measurement unit is arranged between adjacent stator teeth, one side of each stator tooth close to the rotor is provided with an anti-falling part, and the temperature measurement unit is connected with the rotor. The temperature measuring unit comprises a clamping seat which is fixedly clamped between the adjacent anti-falling parts, one side, far away from the rotor, of the clamping seat is fixedly connected with a temperature sensor, and a detection opening is formed in the clamping seat; compared with the prior art, the clamping seat is fixedly clamped on the anti-falling part of the stator tooth, and the detection port and the temperature sensor are arranged on the clamping seat, so that the temperature of the rotor can be detected when the motor runs, the trouble of opening a hole or a groove on the stator is not needed, the assembly is easy, and the structure of the stator cannot be damaged; stability is good, disassembly and assembly are easy, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor temperature detection technical field, concretely is a motor operation temperature detection structure. BACKGROUND

[0002] Motor drive process can pass through control alternating current or direct current power transmission to motor coil, make motor coil produce rotating magnetic field, thereby motor can rotate. The temperature will rise in the motor rotating process, causes the motor to heat, if can not monitor its operation temperature, should make corresponding cooling and temperature control processing to the temperature rise, will cause the damage of motor.

[0003] And at present, the detection of motor operation temperature is generally to punch or groove on the stator, so it is easy to damage the structure of the stator, and the processing difficulty is big, for this, the utility model provides a motor operation temperature detection structure. UTILITY MODEL CONTENT

[0004] The utility model discloses a motor operation temperature detection structure to solve the problem in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a motor operation temperature detection structure, including rotor and the stator core of being located at the outside of rotor, the inner surface of stator core is equipped with a plurality of stator teeth, and the temperature measuring unit is arranged between adjacent stator teeth, and the side of each stator tooth close to rotor is provided with anti-off part, the temperature measuring unit includes the clamping seat of being fixedly clamped between adjacent anti-off parts, the side of clamping seat away from rotor is fixedly connected with temperature sensor, and is equipped with detection port on clamping seat, the side of clamping seat close to anti-off part is provided with clamping groove, and the side of clamping groove away from rotor is equipped with card convex part, and the outer surface of temperature sensor is sleeved with heat insulation limit sleeve.

[0006] As a preferred technical scheme of the utility model, the side of clamping groove away from card convex part is equipped with locking tab, and the surface of one side of locking tab is in abutment with the surface of anti-off part.

[0007] As a preferred technical scheme of the utility model, the locking tab is rotatably installed on the clamping seat through the hinge piece, and the torsional spring is installed on the hinge piece, one end of the torsional spring is fixedly connected with the clamping seat, and the other end of the clamping seat is fixedly connected with the locking tab.

[0008] As a preferred technical scheme of the utility model, the shielding shell is arranged between the heat insulation limit sleeve and the temperature sensor.

[0009] As a preferred technical scheme of the utility model, the shielding shell is made of non-magnetic shielding material.

[0010] As a preferred technical scheme of the utility model, the outer surface of the stator core is provided with a stator winding, the outer surface of the heat insulation limiting sleeve abuts against the surface of the stator winding, and the heat insulation limiting sleeve is a heat insulation silica gel sleeve.

[0011] As a preferred technical scheme of the utility model, the shielding shell is provided with a wire arranging hole.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The motor operation temperature detection structure of the utility model has the advantages that the clamping seat is fixedly clamped on the anti-falling part of the stator tooth, the detection port and the temperature sensor are arranged on the clamping seat, the rotor temperature during the operation of the motor can be detected, the hole or the groove needs not to be opened on the stator, the stator structure is not damaged during assembly, the stability is good, the stator structure is easy to disassemble and assemble, and the motor is convenient to use.

[0014] Other features and advantages of the utility model will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall structural schematic view of the utility model;

[0016] Figure 2 It is an overall structural schematic view of the utility model; Figure 1 It is an enlarged schematic view of the A structure;

[0017] Figure 3 It is a structural schematic view of the temperature measurement unit of the utility model;

[0018] Figure 4 It is a connecting structural schematic view of the clamping seat and the locking tab of the utility model;

[0019] In the drawing: 1, stator core; 2, stator tooth; 3, anti-falling part; 4, clamping seat; 5, temperature sensor; 6, heat insulation limiting sleeve; 7, stator winding; 8, shielding shell; 9, detection port; 10, clamping convex part; 11, clamping groove; 12, hinged part; 13, locking tab; 14, torsional spring; 15, rotor; 16, wire arranging hole. DETAILED DESCRIPTION

[0020] The technical schemes in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] In the description of the utility model, it needs to explain, the term "vertical", "upper", "lower", "horizontal" and the orientation or position relation indicated in the drawing is based on the orientation or position relation, only for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation of the utility model.

[0022] In the description of the utility model, it also needs to explain that, unless otherwise specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0023] Please refer to Figures 1-4 In the embodiment, a motor running temperature detection structure is provided, which comprises a rotor 15 and a stator core 1 arranged outside the rotor 15, the inner surface of the stator core 1 is provided with a plurality of stator teeth 2, a temperature measuring unit is arranged between adjacent stator teeth 2, each stator tooth 2 is provided with an anti-drop part 3 close to one side of the rotor 15, the temperature measuring unit comprises a clamping seat 4 fixedly clamped between adjacent anti-drop parts 3, a temperature sensor 5 is fixedly connected to one side of the clamping seat 4 away from the rotor 15, a detection opening 9 is formed in the clamping seat 4, a clamping groove 11 is arranged on one side of the clamping seat 4 close to the anti-drop part 3, and a clamping convex part 10 is arranged on one side of the clamping groove 11 away from the rotor 15, a heat insulation limiting sleeve 6 is sleeved on the outer surface of the temperature sensor 5, a stator winding 7 is arranged on the outer surface of the stator core 1, the surface of the heat insulation limiting sleeve 6 is abutted with the surface of the stator winding 7, the heat insulation limiting sleeve 6 is a heat insulation silica gel sleeve, which can not only have good heat insulation effect, but also can have good shock absorption effect, and can protect the temperature measuring unit well, and a wire arranging hole 16 is formed in the shielding shell 8, the clamping seat 4 is fixedly clamped on the anti-drop part 3 of the stator tooth 2, the detection opening 9 and the temperature sensor 5 are arranged on the clamping seat 4, the temperature of the rotor 15 during motor operation can be detected, and the hole or slot on the stator is not needed, the utility model is easy to assemble and will not damage the stator structure, has good stability, is easy to disassemble and use.

[0024] In the embodiment, the locking tab 13 is provided on the side of the card slot 11 away from the card protruding part 10, and the surface of the locking tab 13 on one side is in abutment with the surface of the anti-off part 3. The locking tab 13 is rotatably installed on the clamping seat 4 through the hinge 12, and the hinge 12 is provided with a torsion spring 14. One end of the torsion spring 14 is fixedly connected with the clamping seat 4, and the other end of the clamping seat 4 is fixedly connected with the locking tab 13. In order to further improve the clamping effect of the clamping seat 4 on the anti-off part 3, the locking tab 13 with the torsion spring is used to press the locking tab 13 against the anti-off part 3, thereby achieving further clamping. It should be noted that when the locking tab 13 is not used, the card protruding part 10 on both sides of the temperature sensor 5 and the heat insulation limiting sleeve 6 can limit the positions on both sides thereof, thereby achieving good clamping effect. The locking tab 13 is used for further clamping. When disassembly is required, the locking tab 13 is first pulled open, and then the heat insulation limiting sleeve 6 is taken out from the outside of the temperature sensor 5. At this time, the heat insulation limiting sleeve 6 is not limited, so that the clamping seat 4 can be moved away from the rotor and taken out.

[0025] In the embodiment, the shielding shell 8 is arranged between the heat insulation limiting sleeve 6 and the temperature sensor 5. The shielding shell 8 is made of a non-magnetic shielding material. The shielding shell 8 can effectively shield the electromagnetic interference on the temperature sensor 5 and the signal transmission line in the motor.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements. These changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric motor operating temperature detecting structure characterized by comprising: a temperature sensor; a temperature detecting circuit; and a temperature detecting circuit control circuit. The application relates to a temperature measuring device for a motor, which comprises a rotor (15) and a stator core (1) arranged outside the rotor (15), the inner surface of the stator core (1) is provided with a plurality of stator teeth (2), a temperature measuring unit is arranged between adjacent stator teeth (2), each stator tooth (2) is provided with an anti-falling part (3) on the side close to the rotor (15), the temperature measuring unit comprises a clamping seat (4) clamped between adjacent anti-falling parts (3), a temperature sensor (5) is fixedly connected to the side of the clamping seat (4) away from the rotor (15), a detection opening (9) is formed in the clamping seat (4), the clamping seat (4) is provided with a clamping groove (11) on the side close to the anti-falling part (3), and the clamping groove (11) is provided with a clamping convex part (10) on the side away from the rotor (15), and a heat insulation limiting sleeve (6) is sleeved on the outer surface of the temperature sensor (5).

2. The motor operating temperature detecting structure according to claim 1, wherein The clamping groove (11) is provided with a locking tab (13) on the side away from the clamping convex part (10), and the surface of the locking tab (13) is abutted against the surface of the anti-falling part (3).

3. The motor operating temperature detecting structure according to claim 2, wherein The locking tab (13) is rotatably installed on the clamping seat (4) through a hinge (12), and a torsional spring (14) is installed on the hinge (12), one end of the torsional spring (14) is fixedly connected with the clamping seat (4), and the other end of the clamping seat (4) is fixedly connected with the locking tab (13).

4. The motor operating temperature detecting structure according to claim 1, wherein A shielding shell (8) is arranged between the heat insulation limiting sleeve (6) and the temperature sensor (5).

5. A temperature detection structure for an electric motor according to claim 4, wherein The shielding shell (8) is made of a non-magnetic shielding material.

6. The motor operating temperature detecting structure according to claim 1, wherein The outer surface of the heat insulation limiting sleeve (6) is abutted against the surface of a stator winding (7) arranged on the outer surface of the stator core (1), and the heat insulation limiting sleeve (6) is a heat insulation silica gel sleeve.

7. The motor operating temperature detecting structure according to claim 4, wherein A wire arranging hole (16) is formed in the shielding shell (8).

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