Motor detection device

Abstract

The utility model discloses a motor detection device, which comprises a bottom plate, a controller, a magnetic stagnation device installed on the bottom plate and a motor clamp, the motor clamp comprises an upper base and a pressing piece, the upper base and the bottom plate are arranged in parallel, and the upper base is provided with a through hole for a main shaft of a motor to pass through. The end, away from the bottom plate, of the upper base is provided with a supporting rod used for being connected with a connecting hole of the motor in a matched and inserted mode, the pressing piece is installed on the upper base, the pressing piece, the upper base and the bottom plate are connected through connecting pieces, and the controller is electrically connected with the motor. The motor is internally provided with a Hall sensor used for detecting the rotating speed of the motor, the Hall sensor is electrically connected with the controller, the motor is not prone to toppling or loosening in the detection process, the safety and accuracy of follow-up detection are guaranteed, and performance detection of the motor under different load working conditions is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor detection, and particularly relates to a motor detection device. Background Art

[0002] Before the motor is used, various data of the motor usually need to be detected, and the detection conditions include no-load operation and load operation. At present, there are the following problems in motor detection: it is not easy to fix during detection at high speeds, and the motor cannot detect performance under different load conditions. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one problem of the prior art and propose a motor detection device.

[0004] To achieve the above purpose, the utility model proposes a motor detection device, which includes a bottom plate, a controller, a magnetic hysteresis controller and a motor fixture installed on the bottom plate. The motor fixture includes an upper base and a pressing member. The upper base is arranged parallel to the bottom plate. The upper base is provided with a through hole for the main shaft of the motor to pass through. One end of the upper base away from the bottom plate is provided with a support rod for plugging and matching with the connection hole of the motor. The pressing member is installed on the upper base, and the pressing member, the upper base and the bottom plate are connected by a connecting member. The controller is electrically connected to the motor. When detecting the motor load, the main shaft of the motor is connected to the magnetic hysteresis controller through a coupling. The motor is internally provided with a Hall sensor for detecting the motor speed, and the Hall sensor is electrically connected to the controller.

[0005] Preferably, the motor detection device further includes a regulated power supply, which is electrically connected to the controller and is used to supply power to the electrical components of the device.

[0006] Preferably, the motor detection device further includes a support plate, which is connected to the bottom plate by a plurality of pillars. The controller and the regulated power supply are installed on the support plate.

[0007] Preferably, the motor is internally provided with a temperature sensor for detecting the motor temperature, and the temperature sensor is electrically connected to the controller.

[0008] Preferably, an air pump is installed on the bottom plate. The air pump is connected to the magnetic hysteresis controller by a pipeline to cool the magnetic hysteresis controller. The air pump is electrically connected to the controller.

[0009] Preferably, the upper end of the support rod is a tapered portion.

[0010] Preferably, the connecting member is a connecting bolt and a nut. A counterbore for installing the connecting bolt is provided at one end of the bottom plate away from the upper base.

[0011] Advantages of the present utility model: The present utility model tightly fastens the motor at multiple points through the motor fixture, making it difficult for the motor to tip over or become loose during the detection process, ensuring the safety and accuracy of subsequent detections; the main shaft of the motor is connected to the magnetic hysteresis brake through a coupling, and the load condition of the motor is changed by controlling the current input to the magnetic hysteresis brake, thereby realizing the performance detection of the motor under different load conditions.

[0012] The features and advantages of the present utility model will be described in detail through embodiments in conjunction with the accompanying drawings. Brief Description of the Drawings

[0013] Figure 1 is a schematic structural diagram of an embodiment of the present utility model.

[0014] Figure 2 is a bottom view of an embodiment of the present utility model.

[0015] Figure 3 is an exploded view of an embodiment of the present utility model.

[0016] In the figure: 1 - bottom plate, 2 - magnetic hysteresis brake, 3 - upper base, 4 - pressing member, 5 - controller, 6 - motor, 7 - regulated power supply, 8 - support plate, 11 - air pump, 21 - coupling, 31 - support rod. Detailed Embodiments

[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. Usually, the components of the embodiments of the present application described and illustrated in the drawings here can be arranged and designed in various different configurations. In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of this application is usually placed, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application. In addition, terms such as "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0018] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0019] The utility model is described in detail below in conjunction with the accompanying drawings.

[0020] See also Figure 1 , Figure 2 , Figure 3 The present embodiment provides a motor detection device, including a base plate 1, a controller 5, a magnetic damper 2 installed on the base plate 1, and a motor fixture. The motor fixture includes an upper base 3 and a clamping member 4 installed on the upper base 3. The upper base 3 and the base plate 1 are arranged in parallel. A through hole is provided at the center of the upper base 3 for the main shaft of the power supply motor 6 to pass through. An end of the upper base 3 away from the base plate is provided with a support rod 31 for mating with the connecting hole of the motor 6. The clamping member 4 is installed on the upper base 3. The clamping member 4, the upper base 3 and the base plate 1 are connected by a connecting member. The controller 5 is electrically connected to the motor 6. When the motor 6 is under load detection, the main shaft of the motor 6 is connected to the magnetic damper 2 through a coupling 21. The motor 6 is equipped with a Hall sensor for detecting the motor speed. The Hall sensor and the magnetic damper 2 are electrically connected to the controller 5. The controller 5 is connected to a host computer, and the host computer includes but is not limited to a computer or an intelligent cloud.

[0021] The support rod 31 and the upper base 3 may be fixedly connected or detachably connected. Preferably, the support rod 31 and the upper base 3 are connected by screws, and the main body of the pressing member 4 is L-shaped.

[0022] The number of the pressing members 4 and the supporting rods 31 is 3, and the three pressing members 4 and the three supporting rods 31 are evenly arranged on the upper base 3. Of course, the number of the pressing members 4 and the supporting rods 31 can also be set to 4 or 5 under the premise of satisfying the clamping and fixing of the motor 6.

[0023] In this embodiment, the motor detection device further includes a voltage-stabilized power supply 7 , which is electrically connected to the controller 5 , and is used to supply power to the electrical components of the device.

[0024] Furthermore, the motor detection device also includes a support plate 8 , which is arranged parallel to the base plate 6 and connected with a plurality of pillars and screws, and the controller 5 and the voltage-stabilized power supply 7 are mounted on the support plate 8 .

[0025] In this embodiment, the motor 6 is internally provided with a temperature sensor for detecting the temperature of the motor, and the temperature sensor is electrically connected to the controller.

[0026] In this embodiment, an air pump 11 is installed on the bottom plate 1. The air pump 11 is connected to the magnetic hysteresis brake 2 through a pipeline to cool the magnetic hysteresis brake 2. The air pump 11 is electrically connected to the controller 5.

[0027] In this embodiment, the upper end of the support rod 31 is a conical part, and the conical part is provided to better plug and fix with the connecting part outside the motor 6.

[0028] In this embodiment, the connecting piece is a connecting bolt and a nut. A counterbore for installing the connecting bolt is provided at one end of the bottom plate 1 away from the upper base 3, so that the distance between the bottom plate 1 and the upper base 3 can be adjusted according to requirements, and the overall disassembly and assembly are also relatively convenient.

[0029] The working process of the present utility model:

[0030] During the working process of this motor detection device, when clamping the motor, the bottom plate 1 is horizontally placed on the table, and the upper base 3, the bottom plate 1, and the pressing member 4 are fixed with connecting bolts and nuts. The main shaft of the motor 6 to be tested is inserted into the through hole of the upper base 3. The upper end of the support column 11 is plugged and fixed with the connection hole of the connecting part provided on the outer side of the motor 6. The bent edge of the pressing member 4 presses the connecting part provided on the side of the motor 6 to complete the fixation of the motor 6. When performing no-load detection on the motor 6, after the motor 6 is powered on, the main shaft rotates. The Hall sensor and the temperature sensor detect the speed state and temperature state of the motor 6 and transmit the detection data to the controller 5, and then transmit it to the upper computer. The controller 5 can also control the working state of the motor 6. When performing load detection on the motor 6, the main shaft of the motor 6 is connected to the magnetic hysteresis brake 2 through a coupling 21. The excitation current input to the magnetic hysteresis brake 2 is controlled. The magnetic hysteresis brake 2 uses the magnetic hysteresis principle to generate different torques (the shaft of the motor is connected to the shaft of the magnetic hysteresis brake 2 through a coupling, and the torque of the magnetic hysteresis brake is equivalent to providing resistance to the motor to achieve the purpose of increasing the load on the motor). Combining the controller 5 to control different speeds of the motor 6, so as to meet the simulation test of the operating state of the motor under different working conditions. The Hall sensor and the temperature sensor detect the speed state and temperature state of the motor and transmit the detection data to the controller, and then transmit it to the upper computer. To ensure that the magnetic hysteresis brake 2 can operate for a long time, the magnetic hysteresis brake 2 is connected to the air pump 11 through an air pipe, and starting the air pump 11 can perform air cooling inside the magnetic hysteresis brake 2.

[0031] The above embodiments are descriptions of the present utility model, not limitations on the present utility model. Any simple transformation of the present utility model belongs to the protection scope of the present utility model.

Claims

1. A motor detection device, characterized in that: It includes a base plate, a controller, a magnetic brake installed on the base plate, and a motor fixture. The motor fixture includes an upper base and a clamp. The upper base and the base plate are arranged in parallel. The upper base is provided with a through hole through which the main shaft of the power supply motor passes. The end of the upper base away from the base plate is provided with a support rod for plugging with the connecting hole of the motor. The clamp is installed on the upper base. The clamp, the upper base and the base plate are connected by a connecting piece. The controller is electrically connected to the motor. When the motor load is detected, the main shaft of the motor is connected to the magnetic brake through a coupling. The motor is equipped with a Hall sensor for detecting the motor speed. The Hall sensor is electrically connected to the controller.

2. A motor detection device as claimed in claim 1, characterized in that: It also includes a voltage-stabilized power supply, which is electrically connected to the controller.

3. A motor detection device as claimed in claim 2, characterized in that: It also includes a support plate, which is connected to the base plate by a plurality of pillars, and the controller and the voltage-stabilized power supply are mounted on the support plate.

4. A motor detection device as claimed in claim 1, characterized in that: The motor is internally provided with a temperature sensor for detecting the temperature of the motor, and the temperature sensor is electrically connected to the controller.

5. A motor detection device as claimed in claim 1, characterized in that: The bottom plate is equipped with an air pump, which is connected to the magnetic brake by a pipeline to cool the magnetic brake, and the air pump is electrically connected to the controller.

6. A motor detection device as claimed in claim 1, characterized in that: The upper end portion of the support rod is a tapered portion.

7. A motor detection device as claimed in claim 1, characterized in that: The connecting parts are connecting bolts and nuts, and a countersunk hole for installing the connecting bolts is provided at one end of the base plate away from the upper base.

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