Stepping motor listening mechanism

Abstract

The utility model provides a stepping motor listening mechanism which comprises a positioning plate and a bottom plate, the positioning plate is connected with the bottom plate through a stand column, the positioning plate is used for positioning a motor, a listening probe is installed on the bottom plate, the listening probe is in contact with the motor, a probe is installed on the bottom plate, the probe is connected with a power-on needle of the motor, and the power-on needle is connected with the stand column. According to the sound listening mode, the interference of external environment noise on the sound listening result can be effectively reduced, the sound listening accuracy is high, a tester does not need to be in direct contact with the motor and only needs to sit in a specific place to test the operation sound of the motor through an earphone, and the test efficiency is improved. The labor intensity of testers is reduced, the listening efficiency is improved, the labor cost is saved, meanwhile, the testers do not need to be exposed in a noisy environment for a long time, the hearing health of the testers is protected, and the safety is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor detection technical field, especially step motor listening mechanism of a kind of. BACKGROUND

[0002] In order to judge whether motor has abnormal sound when running, usually need to carry out listening operation to motor. Step motor usually emits continuous and uniform sound when running normally. However, when motor is abnormal, its sound often changes, such as high and low, dull, sharp, etc. By monitoring these sound changes, the motor with abnormal condition can be found in time.

[0003] The existing motor listening mode is usually by artificial close or handheld motor to be measured to listen, whether there is abnormal sound in motor running is judged by experience, whether it is qualified.

[0004] The above motor listening mode has the following shortcomings: first, artificial direct listening is easily disturbed by environmental noise, reducing the accuracy of listening; second, test personnel need to directly contact motor, increasing the labor intensity of personnel, reducing the efficiency of motor listening, and the labor cost is high; third, artificial direct listening needs to be exposed in noisy environment for a long time, which is not conducive to protecting the hearing health of test personnel, and there may be safety hazards such as electric shock and mechanical injury. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the technical deficiency of the above, and provides a step motor listening mechanism.

[0006] Therefore, the utility model provides a step motor listening mechanism, which comprises a positioning plate and a bottom plate, the positioning plate and the bottom plate are connected through a stand column, the positioning plate is used for positioning motor, a listening probe is installed on the bottom plate, the listening probe is in contact with the motor, a probe is installed on the bottom plate, the probe is connected with a power supply needle of the motor, a wire is connected to the listening probe, and the wire is connected with a sound amplifier.

[0007] Preferably, a positioning hole is formed in the positioning plate, and the positioning hole is matched with the shape of the motor.

[0008] Preferably, the probe is vertically installed on the bottom plate through an insulating plate, and the probe corresponds to the power supply needle up and down.

[0009] Preferably, a groove one, a groove two and a groove three are formed on the upper surface of the bottom plate, the groove one and the groove two are communicated, the groove one is used for installing the listening probe, the groove two and the groove three are respectively arranged on the two sides of the groove one, the groove two is used for placing the wire, and the groove three is used for installing the insulating plate.

[0010] Preferably, the lower surface of the bottom plate is provided with a groove four and a through hole, the groove four is used for placing a power supply wire, and the power supply wire is communicated with the probe through the through hole.

[0011] Preferably, the through hole is arranged in the groove three.

[0012] The step motor sound listening mechanism has the following beneficial effects.

[0013] (1) the motor to be tested is positioned in the positioning hole of the positioning plate, so that the bottom of the motor to be tested is in contact with the upper surface of the sound listening probe, at this time, the power supply needle of the motor is inserted into the probe, and then the probe is powered through the power supply wire, the motor starts to operate and transmits the operating sound to the sound listening probe, the sound listening probe converts the sound signal into an electric signal and transmits the electric signal to the external sound amplifier through the wire, and the sound amplifier transmits the amplified audio signal to the conventional earphone, and the tester listens to the sound of the motor operation by wearing the earphone, the above sound listening method can effectively reduce the interference of external environmental noise on the sound listening result, and the accuracy of sound listening is high.

[0014] (2) the tester does not need to directly contact the motor, but only needs to sit in a specific place to test the sound of the motor operation through the earphone, thereby reducing the labor intensity of the tester, improving the efficiency of sound listening, and saving the labor cost.

[0015] (3) the tester does not need to expose to the noisy environment for a long time, which is beneficial to protect the hearing health of the tester, and can also avoid the tester from directly contacting the motor to be tested, thereby avoiding the safety hazards such as electric shock and mechanical injury, and the safety is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structure schematic view of the step motor sound listening mechanism in the embodiment;

[0017] Figure 2 is a structure schematic view of the sound listening probe and the probe in the embodiment;

[0018] Figure 3 is a left view of the step motor sound listening mechanism in the embodiment;

[0019] Figure 4 is a bottom view of the step motor sound listening mechanism in the embodiment;

[0020] Figure 5 is a structure schematic view of the positioning hole in the embodiment;

[0021] Figure 6 is a structure schematic view of the bottom plate in the embodiment;

[0022] Figure 7 This is a schematic diagram of the structure of the energized needle in this embodiment.

[0023] Marked in the diagram: 1. Positioning plate; 2. Base plate; 3. Column; 4. Motor; 5. Listening probe; 6. Probe; 7. Power needle; 8. Wire; 9. Positioning hole; 10. Insulating plate; 11. Groove one; 12. Groove two; 13. Groove three; 14. Groove four; 15. Through hole; 16. Power wire. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0025] Example:

[0026] like Figures 1-7 As shown, this utility model provides a stepper motor listening mechanism, including a positioning plate 1 and a base plate 2. The positioning plate 1 and the base plate 2 are connected by a column 3. The column 3 is fixedly connected to the positioning plate 1 and the base plate 2 by bolts. The positioning plate 1 is located above the base plate 2. The positioning plate 1 is used to position the motor 4. A listening probe 5 is installed on the base plate 2. The listening probe 5 is in contact with the motor 4. A probe 6 is installed on the base plate 2. The probe 6 is connected to the energizing pin 7 of the motor 4. A wire 8 is connected to the listening probe 5. The wire 8 is connected to a sound amplifier.

[0027] Furthermore, the positioning plate 1 has a positioning hole 9, which is adapted to the shape of the motor 4. In actual operation, the motor 4 to be tested can be placed in the positioning hole 9 along the specific shape of the positioning hole 9 using a robotic arm or similar device, so that the bottom of the motor 4 contacts the upper surface of the listening probe 5.

[0028] Furthermore, the probe 6 is vertically mounted on the base plate 2 via the insulating plate 10, and the probe 6 and the energized needle 7 are vertically aligned to ensure that the energized needle 7 can be connected to the probe 6.

[0029] Furthermore, the upper surface of the base plate 2 is provided with a first groove 11, a second groove 12, and a third groove 13. The first groove 11 and the second groove 12 are connected. The listening probe 5 is fixedly installed in the first groove 11. The second groove 12 and the third groove 13 are respectively provided on both sides of the first groove 11. The second groove 12 is used to place the wire 8 for easy storage of the wire 8. The insulating plate 10 is fixedly installed in the third groove 13.

[0030] The listening probe 5, the wire 8 and the insulating plate 10 are respectively arranged in different grooves, so that the listening probe 5, the wire 8 and the insulating plate 10 can be quickly positioned and arranged, the arrangement precision is guaranteed, and the motor listening work can be smoothly carried out.

[0031] Further, the lower surface of the bottom plate 2 is provided with a groove four 14 and a through hole 15, the groove four 14 is used for placing a power wire 16, and the power wire 16 is connected with the probe 6 through the through hole 15.

[0032] The groove four 14 can guide and accommodate the power wire 16, so that the power wire 16 cannot protrude from the bottom plate 2, and the bottom plate 2 cannot be horizontally placed.

[0033] Further, the through hole 15 is arranged in the groove three 13, so that the power wire 16 can be quickly connected with the probe 6, and the probe 6 is powered.

[0034] The working principle is as follows:

[0035] The motor to be tested 4 is positioned in the positioning hole 9 of the positioning plate 1, so that the bottom of the motor to be tested 4 is in contact with the upper surface of the listening probe 5, at this time, the power supply needle 7 of the motor 4 is inserted into the probe 6, and then the probe 6 is powered through the power wire 16, after power supply, the motor 4 starts to operate and transmits the operating sound to the listening probe 5, the listening probe 5 converts the sound signal into an electric signal and transmits the electric signal to an external sound amplifier through the wire 8, the sound amplifier transmits the amplified audio signal to a conventional earphone (noise reduction earphone), and a tester listens to the sound of the motor 4 during operation by wearing the earphone, to judge whether the motor 4 has abnormal sound during operation, if there is abnormal sound, the motor 4 is judged as unqualified, otherwise, if there is no abnormal sound, the motor 4 is judged as qualified.

[0036] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0037] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the range of implementation of the utility model, so that the replacement of equivalent components or equivalent changes and modifications made in the protection range of the utility model patent still belong to the scope covered by the claims of the utility model.

Claims

1. A step motor listening mechanism characterized by, The utility model provides a kind of sound test device, including positioning plate (1) and bottom plate (2), the positioning plate (1) is connected with the bottom plate (2) by column (3), the positioning plate (1) is used to position motor (4), sound probe (5) is installed on the bottom plate (2), the sound probe (5) is contacted with the motor (4), probe (6) is installed on the bottom plate (2), the probe (6) is connected with the energized needle (7) of the motor (4), the sound probe (5) is connected with lead (8), the lead (8) is connected with sound amplifier.

2. The audible click mechanism of claim 1, wherein, Positioning hole (9) is opened in the positioning plate (1), and the positioning hole (9) is matched with the shape of the motor (4).

3. The audible click mechanism of claim 1, wherein, The probe (6) is vertically installed on the bottom plate (2) by insulating plate (10), and the probe (6) is corresponded with the energized needle (7) up and down.

4. A mechanism for listening to a sound of a stepping motor according to claim 3, wherein The upper surface of the bottom plate (2) is provided with groove one (11), groove two (12) and groove three (13), the groove one (11) and the groove two (12) are communicated, the groove one (11) is used for installing the sound probe (5), the groove two (12) and the groove three (13) are respectively arranged on the both sides of the groove one (11), the groove two (12) is used for placing the lead (8), and the groove three (13) is used for installing the insulating plate (10).

5. A mechanism for listening to a sound of a stepping motor according to claim 4, wherein The lower surface of the bottom plate (2) is provided with groove four (14) and through hole (15), the groove four (14) is used for placing the energized wire (16), and the energized wire (16) passes through the through hole (15) and is communicated with the probe (6).

6. A mechanism for listening to a sound of a stepping motor according to claim 5, wherein The through hole (15) is arranged in the groove three (13).

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