Detection device for detecting shaking condition of electric appliance

Abstract

The utility model discloses a detection device for detecting the shaking condition of an electric appliance. The detection device comprises a detection platform, a laser detection mechanism and a control mechanism, the detection platform is provided with a table top for placing an electric appliance; the detection end of the laser detection mechanism is arranged opposite to the table top; and the control mechanism is electrically connected with the laser detection mechanism. The device can improve the accuracy and the detection efficiency of the detection result of the shaking condition of the electric appliance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric appliance detection, especially a detection device for detecting electric appliance shaking. BACKGROUND

[0002] Part of household appliances is prone to abnormal sound in the production process, and the abnormal sound is usually caused by the loosening of parts. For example, the fan, when the fan is tested before leaving the factory, the motor shaft may jump, the fan blade may deform, or the fan rotating joint support may be insufficient, resulting in shaking of various parts after assembly into finished products. The fan shaking not only produces noise, but also affects the heat dissipation effect, and in severe cases, it may even cause the fan to be damaged, affecting the quality and service life of the fan. The traditional fan shaking detection method mainly relies on manual observation or sound listening to judge, which has strong subjectivity, low efficiency and poor precision. In order to solve the above problems, a vibration instrument is fixed on the fan in the field to detect the shaking condition of the fan, but due to the large weight of the vibration instrument, when the vibration instrument is connected with the fan, it will interfere with the shaking of the fan to some extent. Therefore, although this detection method is more objective and has improved efficiency, the precision is insufficient. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a detection device for detecting the shaking condition of an electric appliance, which improves the detection efficiency and precision.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme that:

[0005] A detection device for detecting the shaking condition of an electric appliance, comprising a detection platform, a laser detection mechanism and a control mechanism.

[0006] The detection platform has a table top for placing the electric appliance.

[0007] The detection end of the laser detection mechanism is arranged opposite to the table top.

[0008] The control mechanism is electrically connected with the laser detection mechanism.

[0009] Further, the laser detection mechanism comprises a fixed support and a laser sensor.

[0010] The laser sensor is connected with the control mechanism on the side facing the table top through the fixed support, and the laser sensor and the fixed support are connected in relative rotation.

[0011] Further, the fixed support comprises a lifting assembly, a front-rear translation assembly, a left-right translation assembly and a rotation assembly.

[0012] The left-right translation assembly is connected with the movable end of the front-rear translation assembly and the lifting assembly, and the fixed end of the lifting assembly is connected with the control mechanism.

[0013] The rotation assembly is connected with the movable end of the left-right translation assembly, and the laser sensor is connected with the movable end of the rotation assembly.

[0014] Further, the rotation assembly comprises a rotating disc and an angle fixing assembly.

[0015] The rotating disc is connected with the angle fixing assembly in a relative rotation manner, and the laser sensor is connected with the rotating disc.

[0016] Further, the angle fixing assembly comprises an angle adjusting seat and a limiting rod.

[0017] The rotating disc is provided with a sliding groove distributed along the circumference of the rotating disc, and the sliding groove is concentric with the rotating disc.

[0018] The limiting rod is slidably embedded in the sliding groove, and the limiting rod is threadedly connected with the angle adjusting seat, so that the limiting rod presses or releases the rotating disc.

[0019] Further, the length of the sliding groove is at least one-half of the circumference.

[0020] Further, the lifting assembly comprises a lifting rod and a lifting seat.

[0021] The lifting rod is connected with the control mechanism, and the lifting seat is slidably connected with the lifting rod.

[0022] The front-rear translation assembly is connected with the lifting seat.

[0023] Further, the platform is provided with a limiting assembly for limiting the electric appliance.

[0024] Further, the limiting assembly comprises a positioning groove and at least two limiting rods.

[0025] The positioning groove is provided on the table top.

[0026] All the limiting rods are uniformly distributed around the axis of the positioning groove.

[0027] Further, the positioning groove is provided with a positioning member.

[0028] The utility model discloses a beneficial effect lies in: adopt laser detection mechanism and detection platform cooperation, and the measured appliance is placed in the specified area on the mesa, and the laser detection mechanism tests the jitter condition of the measured appliance, and the data after laser detection mechanism collection will send to control mechanism and carry out analysis, improve the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the structural diagram of detection device and electric appliance in the utility model;

[0030] Figure 2 It is Figure 1 The enlarged view of part A in

[0031] Figure 3 It is the test principle diagram of detection device in the utility model;

[0032] Figure 4 It is the structural diagram of laser detection mechanism in the utility model;

[0033] Figure 5 It is the structural diagram of detection device in the utility model.

[0034] Label explanation:

[0035] 1, detection platform, 11, mesa;

[0036] 2, laser detection mechanism, 21, fixed support, 211, lifting assembly, 2111, lifting rod, 2112, lifting seat, 212, front and back translation assembly, 213, left and right translation assembly, 2131, left and right adjusting rod, 2132, left and right adjusting seat, 214, rotation assembly, 215, turntable, 2151, sliding slot, 216, angle fixing assembly, 2161, angle adjusting seat, 2162, limit rod, 22, laser sensor;

[0037] 3, control mechanism;

[0038] 4, limiting component, 41, positioning groove, 42, limit post, 43, positioning piece;

[0039] 5, electric appliance. DETAILED DESCRIPTION

[0040] To explain the technical content of the utility model, the purpose and effect realized in detail, the following will be explained in conjunction with the drawings.

[0041] Please refer to Figures 1-5The utility model provides a detection device for detecting the shaking condition of electric appliances, which comprises a detection platform 1, a laser detection mechanism 2 and a control mechanism 3; the detection platform 1 has a table top 11 for placing electric appliances 5; the detection end of the laser detection mechanism 2 is arranged opposite to the table top 11; and the control mechanism 3 is electrically connected with the laser detection mechanism 2.

[0042] It can be understood that the laser detection mechanism 2 is used in cooperation with the detection platform 1 to make the electric appliances 5 to be tested placed in the designated area on the table top 11, and the shaking condition of the electric appliances 5 to be tested is tested by the laser detection mechanism 2; the data collected by the laser detection mechanism 2 is sent to the control mechanism 3 for analysis, thereby improving the detection efficiency. Since the detection mode of the laser detection mechanism 2 is non-contact, the detection result is more accurate and objective.

[0043] In some embodiments, the laser detection mechanism 2 comprises a fixed support 21 and a laser sensor 22; the laser sensor 22 is connected to the side of the control mechanism 3 facing the table top 11 through the fixed support 21, and the laser sensor 22 is connected to the fixed support 21 in a rotatable manner. The laser sensor 22 is used for emitting a laser beam and receiving reflected light, detecting the displacement change when the fan shakes, and then judging the shaking condition of the fan.

[0044] In some embodiments, the fixed support 21 comprises a lifting assembly 211, a front-rear translation assembly 212, a left-right translation assembly 213 and a rotating assembly 214; the left-right translation assembly 213 is connected to the movable end of the lifting assembly 211 through the front-rear translation assembly 212, the fixed end of the lifting assembly 211 is connected to the control mechanism 3; the rotating assembly 214 is connected to the movable end of the left-right translation assembly 213, and the laser sensor 22 is connected to the movable end of the rotating assembly 214. By arranging the lifting assembly 211, the front-rear translation assembly 212, the left-right translation assembly 213 and the rotating assembly 214, the position and the detection angle of the laser sensor 22 can be adjusted in multiple dimensions, and the versatility is improved by adapting to various electric appliances 5 or different specifications of the same electric appliance 5.

[0045] In some embodiments, the rotating assembly 214 comprises a rotating disc 215 and an angle fixing assembly 216; the rotating disc 215 is rotatably connected to the angle fixing assembly 216, and the laser sensor 22 is connected to the rotating disc 215. Through the cooperation of the rotating disc 215 and the angle fixing assembly 216, the rotating disc 215 can be rotated to drive the laser sensor 22 to rotate, thereby realizing the angle adjustment of the laser sensor 22.

[0046] In some embodiments, the angle fixing assembly 216 comprises an angle adjusting base 2161 and a limiting rod 2162; the rotating disc 215 is rotatably connected with the angle adjusting base 2161, and the rotating disc 215 is provided with a sliding groove 2151 distributed along the circumference of the rotating disc 215, and the sliding groove 2151 is concentrically arranged with the rotating disc 215; the limiting rod 2162 is slidably embedded in the sliding groove 2151, and the limiting rod 2162 is threadedly connected with the angle adjusting base 2161, so as to press or release the rotating disc 215. Preferably, the limiting rod 2162 is a bolt. Specifically, by rotating the rotating disc 215, the limiting rod 2162 is relatively slid in the sliding groove 2151, and after the rotating disc 215 is rotated to the position, the limiting rod 2162 is tightened, so that the rotating disc 215 is clamped between the limiting rod 2162 and the angle adjusting base 2161, that is, the limiting rod 2162 and the angle adjusting base 2161 play a limiting role.

[0047] In some embodiments, the length of the sliding groove 2151 is at least one half of the circumference, so as to expand the angle adjusting range of the laser sensor 22.

[0048] In some embodiments, the lifting assembly 211 comprises a lifting rod 2111 and a lifting base 2112; the lifting rod 2111 is connected with the control mechanism 3, and the lifting base 2112 is slidingly connected with the lifting rod 2111; the front-back translation assembly 212 is connected with the lifting base 2112. By changing the relative position of the lifting base 2112 and the lifting rod 2111, the height of the front-back translation assembly 212, that is, the height of the sensor, can be changed.

[0049] In some embodiments, the front-back translation assembly 212 comprises a front-back adjusting rod, and the front-back adjusting rod is slidingly connected with the lifting base 2112; the left-right translation assembly 213 comprises a left-right adjusting rod 2131 and a left-right adjusting base 2132; the upper and lower ends of the left-right adjusting base 2132 are respectively slidingly connected with the front-back adjusting rod and the left-right adjusting rod 2131, and the axis of the left-right adjusting rod 2131 is perpendicular to the axis of the front-back adjusting rod; the end of the left-right adjusting rod 2131 away from the left-right adjusting base 2132 is connected with the angle adjusting base 2161. By the front-back adjusting rod and the left-right adjusting rod 2131, the position of the laser sensor 22 is adjusted in two directions respectively, so as to adapt to different detection objects or detection.

[0050] In some embodiments, the tabletop 11 is provided with a limiting assembly 4 for limiting the electric appliance 5, and the limiting assembly 4 is arranged to limit the electric appliance 5 to be tested in a specified area of the tabletop, so as to improve the accuracy of the measurement result.

[0051] In some embodiments, the limiting component 4 comprises a positioning groove 41 and at least two limiting columns 42; the positioning groove 41 is arranged on the table top 11; all the limiting columns 42 are uniformly distributed around the axis of the positioning groove 41. Specifically, the limiting columns 42 and the positioning groove 41 have a spacing therebetween to form a containing space for containing the electrical appliance 5. The positioning groove 41 is arranged to be matched with the electrical appliance 5 to be detected, and functions as a positioning and limiting component.

[0052] In some embodiments, the positioning groove 41 is provided with a positioning member 43. The positioning member 43 is arranged to function as a positioning component for the electrical appliance 5.

[0053] Embodiment one of the utility model discloses:

[0054] A detection device for detecting the shaking condition of an electrical appliance, comprising a detection platform 1, a laser detection mechanism 2 and a control mechanism 3; the detection platform 1 has a table top 11 for placing the electrical appliance 5; the detection end of the laser detection mechanism 2 is arranged opposite to the table top 11; the control mechanism 3 is electrically connected with the laser detection mechanism 2. Wherein, the detection platform 1 is connected with the control mechanism 3 through a supporting rod, so that the detection platform 1 and the control mechanism 3 are arranged opposite to each other, and the laser detection mechanism 2 is arranged on the side of the control mechanism 3 opposite to the table top 11.

[0055] In this embodiment, the laser detection mechanism 2 comprises a fixed support 21 and a laser sensor 22; the laser sensor 22 is connected with the control mechanism 3 through the fixed support 21 towards the side of the table top 11, and the laser sensor 22 and the fixed support 21 are connected in a rotatable manner.

[0056] In this embodiment, the fixed support 21 comprises a lifting assembly 211, a front-rear translation assembly 212, a left-right translation assembly 213 and a rotating assembly 214; the left-right translation assembly 213 is connected with the movable end of the lifting assembly 211 through the front-rear translation assembly 212, and the fixed end of the lifting assembly 211 is connected with the control mechanism 3; the rotating assembly 214 is connected with the movable end of the left-right translation assembly 213, and the laser sensor 22 is connected with the movable end of the rotating assembly 214.

[0057] In this embodiment, the rotating assembly 214 comprises a rotating disc 215 and an angle fixing assembly 216; the rotating disc 215 is connected with the angle fixing assembly 216 in a rotatable manner, and the laser sensor 22 is connected with the rotating disc 215.

[0058] In the embodiment, the angle fixing assembly 216 comprises an angle adjusting seat 2161 and a limiting rod 2162; the rotating disc 215 is rotatably connected with the angle adjusting seat 2161, the rotating disc 215 is provided with a sliding groove 2151 distributed along the circumference of the rotating disc 215, and the sliding groove 2151 is coaxially arranged with the rotating disc 215; the limiting rod 2162 is slidably embedded in the sliding groove 2151, and the limiting rod 2162 is threadedly connected with the angle adjusting seat 2161 so as to press or release the rotating disc 215. Preferably, the limiting rod 2162 is a bolt.

[0059] In the embodiment, the length of the sliding groove 2151 is at least one half of the circumference.

[0060] In the embodiment, the lifting assembly 211 comprises a lifting rod 2111 and a lifting seat 2112; the lifting rod 2111 is connected with the control mechanism 3, and the lifting seat 2112 is slidably connected with the lifting rod 2111; the front-rear translation assembly 212 is connected with the lifting seat 2112.

[0061] In the embodiment, the front-rear translation assembly 212 comprises a front-rear adjusting rod, and the front-rear adjusting rod is slidably connected with the lifting seat 2112; the left-right translation assembly 213 comprises a left-right adjusting rod 2131 and a left-right adjusting seat 2132; the upper and lower ends of the left-right adjusting seat 2132 are respectively slidably connected with the front-rear adjusting rod and the left-right adjusting rod 2131, and the axis of the left-right adjusting rod 2131 is perpendicular to the axis of the front-rear adjusting rod; one end of the left-right adjusting rod 2131, which is away from the left-right adjusting seat 2132, is connected with the angle adjusting seat 2161.

[0062] In the embodiment, the tabletop 11 is provided with a limiting assembly 4 for limiting the electric appliance 5.

[0063] In the embodiment, the limiting assembly 4 comprises a positioning groove 41 and two limiting columns 42; the positioning groove 41 is arranged on the tabletop 11; all the limiting columns 42 are uniformly distributed around the axis of the positioning groove 41; the positioning groove 41 is provided with a positioning member 43, and the positioning member 43 is coaxially arranged with the positioning groove 41, and the outer wall of the positioning member 43 has a spacing with the inner wall of the positioning groove 41. Specifically, the limiting column 42 has a spacing with the positioning groove 41.

[0064] In the embodiment, the control mechanism 3 comprises a sensing controller, a PLC and an indicating lamp; the sensing controller and the PLC are respectively provided with an RS232 communication port, and the sensing controller and the PLC transmit signals through the communication port. The indicating lamp is electrically connected with the PLC, and the PLC is also electrically connected with the touch screen and the alarm.

[0065] The working principle of the utility model is as follows:

[0066] Taking a fan as an example;

[0067] The fan is placed on the table top 11 and is limited by the limiting assembly 4;

[0068] The position of the laser sensor 22 is adjusted by the fixing support 21, so that the detection end of the laser sensor 22 is opposite to the measured part of the fan, and the laser sensor 22 emits laser;

[0069] The maximum value and the minimum value of the amplitude collected by the sensing controller are taken as the shaking amount of the fan, the maximum value and the minimum value of the amplitude are taken as the shaking amount of the fan, and the PLC is sent through the RS232 communication port, the data received by the PLC is compared with the preset standard value of the fan shaking, if the data is in the qualified range, the control mechanism 3 sends a prompt, the green indicator light is on, and it is prompted that the shaking is qualified, if the data is not in the qualified range, the red indicator light is on and an alarm sound is sent, and it is prompted that the shaking of the fan is unqualified.

[0070] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, any equivalent transformation, direct or indirect application in related technical fields by using the content of the present application specification and drawings are also included in the patent protection range of the present application.

Claims

1. A detection device for detecting a shaking condition of an electrical appliance, characterized by comprising: The utility model relates to an electric appliance detection device, including detection platform, laser detection mechanism and control mechanism, The detection platform has a table top for placing electric appliances; The detection end of the laser detection mechanism is arranged opposite to the table top; The control mechanism is electrically connected with the laser detection mechanism.

2. The detection device for detecting a shaking condition of an electric appliance according to claim 1, wherein The laser detection mechanism includes a fixed support and a laser sensor; The laser sensor is connected to one side of the table top through the fixed support and the control mechanism, and the laser sensor is rotatably connected with the fixed support.

3. The detection device for detecting a shaking condition of an electric appliance according to claim 2, wherein The fixed support includes a lifting assembly, a front-back translation assembly, a left-right translation assembly, and a rotating assembly; The left-right translation assembly is connected to the movable end of the front-back translation assembly and the lifting assembly, and the fixed end of the lifting assembly is connected to the control mechanism; The rotating assembly is connected to the movable end of the left-right translation assembly, and the laser sensor is connected to the movable end of the rotating assembly.

4. The detection device for detecting a shaking condition of an electric appliance according to claim 3, wherein The rotating assembly includes a rotating disc and an angle fixing assembly; The rotating disc is rotatably connected with the angle fixing assembly, and the laser sensor is connected to the rotating disc.

5. The detection device for detecting a shaking condition of an electric appliance according to claim 4, wherein The angle fixing assembly includes an angle adjusting seat and a limiting rod; The rotating disc is provided with a sliding groove distributed along the circumference of the rotating disc, and the sliding groove is concentrically arranged with the rotating disc; The limiting rod is slidably embedded in the sliding groove, and the limiting rod is threadedly connected with the angle adjusting seat to press or release the rotating disc.

6. The detection device for detecting a shaking condition of an electric appliance according to claim 5, wherein The length of the sliding groove is at least half of the circumference.

7. The detection device for detecting a shaking condition of an electric appliance according to claim 3, wherein The lifting assembly includes a lifting rod and a lifting seat; The lifting rod is connected to the control mechanism, and the lifting seat is slidably connected to the lifting rod; The front-back translation assembly is connected to the lifting seat.

8. The detection device for detecting a shaking condition of an electric appliance according to claim 1, wherein The table top is provided with a limiting assembly for limiting electric appliances.

9. The detection device for detecting a shaking condition of an electric appliance according to claim 8, wherein The limiting assembly includes a positioning groove and at least two limiting columns; The positioning groove is formed in the table top; All the limiting columns are uniformly distributed around the axis of the positioning groove.

10. The detection device for detecting a shaking condition of an electric appliance according to claim 9, wherein The positioning groove is provided with a positioning member.

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