Detection equipment for sensor assembly production line

Abstract

The utility model provides a sensor assembly production line detection device comprising a work bench and a duty ratio detector, the work bench is provided with a sensor positioning assembly and a duty ratio warning assembly, and the duty ratio detector and the duty ratio warning assembly are both connected with a detection identification module. The duty ratio warning assembly comprises a normal warning lamp and an abnormal warning assembly which are connected in parallel, the abnormal warning assembly comprises a low-position warning lamp and a high-position warning lamp which are connected in parallel, and the low-position warning lamp and the high-position warning lamp are both connected with the buzzer in series. According to the utility model, the duty ratio warning assembly is additionally arranged, corresponding prompts are given out according to the duty ratio state of the torque sensor, an operator can adjust the state of the torque sensor in time according to the prompts, and waste loss caused by centering errors is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor assembly technical field, especially a kind of sensor assembly production line detection equipment. BACKGROUND

[0002] Torque sensor adopts Hall principle to realize the electric power assist function of automobile steering system, so its installation position on the input shaft and output shaft of pipe column, the position of magnetic pole and gear ring, the direction of magnetic pole and other requirements are strict. In order to ensure the normal and stable operation of steering system, it is necessary to adjust and calibrate torque sensor, and control its duty cycle between 48% and 52%, but the existing adjustment and calibration equipment mainly detects the duty cycle of torque sensor through duty cycle detector, and cannot give corresponding state warning. If the worker is not careful during the adjustment process, the sensor may be calibrated incorrectly, such as causing the sensor to assist in the opposite direction and be scrapped.

[0003] In addition, torque sensor includes rotating assembly and magnet assembly, and positioning notches are arranged on the shaft fixing sleeves of rotating assembly and magnet assembly. How to realize the rapid positioning and installation of torque sensor in the detection equipment according to the positioning notches is also a problem to be solved. SUMMARY

[0004] The utility model provides a kind of sensor assembly production line detection equipment, increase the duty cycle warning component, according to the corresponding prompt of the duty cycle state of torque sensor, operator adjusts the state of torque sensor in time according to prompt, avoid to adjust and calibrate incorrectly, cause waste loss.

[0005] The technical scheme of the utility model is as follows: a kind of sensor assembly production line detection equipment, including workbench and duty cycle detector, sensor positioning component and duty cycle warning component are arranged on workbench, duty cycle detector and duty cycle warning component are connected with detection identification module, duty cycle warning component includes parallel normal warning lamp and abnormal alarm component, abnormal alarm component includes parallel low position warning lamp and high position warning lamp, low position warning lamp and high position warning lamp are connected with buzzer in series.

[0006] Further, the sensor positioning component includes a first positioning rod, the upper end of the first positioning rod is provided with a first positioning block that can stretch and retract, the left side of the first positioning block is provided with a first arc-shaped support groove, and the other side is provided with a second arc-shaped support groove.

[0007] Further, the sensor positioning component further includes a second positioning rod, the second positioning rod is located between the first positioning rod and the second arc-shaped support groove, the lower end of the second positioning rod is connected with the vertical air cylinder, and the upper end of the second positioning rod is provided with a second positioning block that can stretch and retract.

[0008] Further, the lower end of the first positioning block is fixed with a first guide rod, the lower end of the first guide rod passes through the first supporting spring and is slidably arranged in the first positioning rod.

[0009] Further, the lower end of the second positioning block is fixed with a second guide rod, the lower end of the second guide rod passes through the second supporting spring and is slidably arranged in the second positioning rod.

[0010] Further, the normal warning light is a green light, the low position warning light is a yellow light and the high position warning light is a red light.

[0011] Further, the detection and recognition module is a PLC controller.

[0012] The utility model discloses the beneficial effect that:

[0013] The utility model discloses increase the duty cycle warning assembly, and the duty cycle detector and the duty cycle warning assembly are connected with detection and recognition module, and detection and recognition module give corresponding prompt according to the state of duty cycle detector detection, and according to the prompt of duty cycle warning assembly, the state of torque sensor is adjusted in time by operating personnel, avoids the failure of adjustment, and causes the loss of waste product.

[0014] The utility model discloses sensor positioning assembly, and the positioning of the positioning gap on torque sensor is carried out, and the quick positioning installation of torque sensor is convenient, and then the subsequent adjustment calibration detection is convenient, and the efficiency of detection is improved. The vertical elasticity of first positioning block and second positioning block is arranged, and the worker can directly place the two shaft fixed sleeves of torque sensor on the positioning assembly, rotates torque sensor, realizes the automatic insertion positioning of positioning gap and positioning block, and improves the positioning installation rate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0016] Figure 1 It is the top view of the detection equipment of the utility model;

[0017] Figure 2 It is the front view of sensor positioning assembly;

[0018] Figure 3 It is the circuit diagram of duty cycle warning assembly;

[0019] Figure 4 It is the structural schematic diagram of torque sensor;

[0020] Figure 5 Assemble view of the rotating assembly and the magnet assembly;

[0021] Figure 6 Structure schematic view of the first positioning rod;

[0022] Figure 7 Structure schematic view of the second positioning rod.

[0023] Workbench 1, duty cycle detector 2, detection identification module 3, duty cycle warning assembly 4, normal warning lamp 5, low position warning lamp 6, high position warning lamp 7, buzzer 8, rotating assembly 9, magnet assembly 10, shaft fixing sleeve 11, positioning notch 12, output shaft 13, input shaft 14, second positioning block 15, first positioning rod 16, first positioning block 17, first guide rod 18, first supporting spring 19, first arc-shaped supporting groove 20, second arc-shaped supporting groove 21, second positioning rod 22, vertical air cylinder 23, second guide rod 24, second supporting spring 25. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment 1

[0026] As shown in Figure 1 and 3 A sensor assembly production line detection device, comprising a workbench 1, a duty cycle detector 2 and a detection identification module 3, the detection identification module 3 is a PLC controller, the duty cycle detector 2 and the detection identification module 3 are connected, and the duty cycle detector 2 is a UTD2152S-E oscilloscope.

[0027] The workbench 1 is provided with a sensor positioning assembly and a duty cycle warning assembly 4, the duty cycle warning assembly 4 is connected with the detection identification module 3, the duty cycle warning assembly 4 comprises a normal warning lamp 5 and an abnormal alarm assembly connected in parallel, the abnormal alarm assembly comprises a low position warning lamp 6 and a high position warning lamp 7 connected in parallel, the low position warning lamp 6 and the high position warning lamp 7 are connected in series with a buzzer 8, the normal warning lamp 5 is a green lamp, the low position warning lamp 6 is a yellow lamp, and the high position warning lamp 7 is a red lamp.

[0028] As shown in Figure 4 and 5As shown, the torque sensor includes a rotating assembly 9 and a magnet assembly 10. Both the rotating assembly 9 and the magnet assembly 10 have positioning notches 12 on their shaft fixing sleeves 11. The gear ring of the rotating assembly 9 uses its positioning notch 12 as a positioning reference, and the magnetic poles of the magnet ring of the magnet assembly 10 are positioned using its positioning notch 12. The magnet assembly 10 is connected to the output shaft 13, and the rotating assembly 9 is connected to the input shaft 14. Due to the positioning notch 12, the duty cycle of the torque sensor is precisely controlled at 50% during assembly. However, in actual manufacturing and assembly processes, due to various reasons, the duty cycle may still not be controlled at 50%, requiring calibration.

[0029] The method of using the detection equipment is as follows: The torque sensor is positioned using the sensor positioning component, and then the torque sensor is connected to the duty cycle detector 2. The detected duty cycle value is transmitted to the detection and identification module 3. The detection and identification module 3 controls the duty cycle warning component 4 to give corresponding prompts: If the duty cycle value is between 48% and 52%, the normal warning light 5 (green light) will light up; if the duty cycle value is below 48%, the low-position warning light 6 (yellow light) will light up, and the buzzer 8 will sound at the same time; if the duty cycle value is above 52%, the high-position warning light 7 (red light) will light up, and the buzzer 8 will sound at the same time; if the high-position warning light 7 is on + the low-position warning light 6 is on + the buzzer 8 sounds, it indicates that the middle position is reversed.

[0030] Example 2

[0031] This embodiment is basically the same as Embodiment 1, except that: Figure 1 , 2 As shown in Figures 6 and 7, the sensor positioning assembly includes a first positioning rod 16 fixed to the worktable 1. A first positioning block 17 is provided at the upper end of the first positioning rod 16, and a first guide rod 18 is fixed at the lower end of the first positioning block 17. The lower end of the first guide rod 18 passes through a first support spring 19 and slides within the first positioning rod 16. A first arc-shaped support groove 20 is fixed on the worktable 1 to the left of the first positioning block 17, and a second arc-shaped support groove 21 is fixed on the worktable 1 to the other side.

[0032] The sensor positioning assembly also includes a second positioning rod 22, which is located between the first positioning rod 16 and the second arc-shaped support groove 21. The lower end of the second positioning rod 22 is connected to a vertical cylinder 23, the lower end of which is fixed to the worktable 1. A second positioning block 15 is provided at the upper end of the second positioning rod 22. A second guide rod 24 is fixed at the lower end of the second positioning block 15. The lower end of the second guide rod 24 passes through the second support spring 25 and slides within the second positioning rod 22.

[0033] The method for using the sensor positioning assembly is as follows: the torque sensor is placed on the sensor positioning assembly, the first positioning block 17 is matched with the positioning notch 12 of the magnet assembly 10, the second positioning block 15 is matched with the positioning notch 12 of the rotating assembly 9, the output shaft 13 is placed in the first arc-shaped support groove 20, the input shaft 14 is placed in the second arc-shaped support groove 21, the first positioning block 17 and the second positioning block 15 are moved downward, the corresponding support springs are compressed, then the torque sensor is rotated, when the positioning notch 12 corresponds to the corresponding positioning block, the support spring is stretched, the positioning block is driven into the corresponding positioning notch 12, then the torque sensor is connected with the duty cycle detector 2, if the green light is on, the torque sensor is directly taken off, if the abnormal alarm assembly gives a warning, the torque sensor needs to be adjusted, when the vertical air cylinder 23 is retracted, the second positioning block 15 is driven away from the corresponding positioning notch 12, the rotating assembly 9 can be rotated, the relative positions of the rotating assembly 9 and the magnet assembly 10 are adjusted, and the state of the torque sensor is adjusted.

[0034] In addition, the first positioning block 17 can be matched with the positioning notch 12 of the rotating assembly 9, the second positioning block 15 can be matched with the positioning notch 12 of the magnet assembly 10, the output shaft 13 can be placed in the second arc-shaped support groove 21, the input shaft 14 can be placed in the second arc-shaped support groove 21, when the state needs to be adjusted, the magnet assembly 10 is rotated, and the state of the torque sensor is adjusted.

[0035] The above merely describes preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A testing device for a sensor assembly production line, comprising a workbench and a duty cycle detector, characterized in that: The workbench is equipped with a sensor positioning component and a duty cycle warning component. Both the duty cycle detector and the duty cycle warning component are connected to the detection and identification module. The duty cycle warning component includes a normal warning light and an abnormal alarm component connected in parallel. The abnormal alarm component includes a low-level warning light and a high-level warning light connected in parallel. Both the low-level warning light and the high-level warning light are connected in series with a buzzer.

2. The sensor assembly line testing equipment according to claim 1, characterized in that: The sensor positioning assembly includes a first positioning rod, with an elastically telescopic first positioning block at the upper end of the first positioning rod, a first arc-shaped support groove on the left side of the first positioning block, and a second arc-shaped support groove on the other side.

3. The sensor assembly line testing equipment according to claim 2, characterized in that: The sensor positioning assembly also includes a second positioning rod, which is located between the first positioning rod and the second arc-shaped support groove. The lower end of the second positioning rod is connected to the vertical cylinder, and the upper end of the second positioning rod is provided with a second positioning block that can be elastically extended.

4. The sensor assembly line testing equipment according to claim 2, characterized in that: The lower end of the first positioning block is fixed with a first guide rod, the lower end of the first guide rod passes through the first support spring and slides inside the first positioning rod.

5. The sensor assembly line testing equipment according to claim 3, characterized in that: The lower end of the second positioning block is fixed with a second guide rod, the lower end of the second guide rod passes through the second support spring and slides inside the second positioning rod.

6. The sensor assembly line testing equipment according to claim 1, characterized in that: The normal warning light is green, the low-position warning light is yellow, and the high-position warning light is red.

7. The sensor assembly line testing equipment according to claim 1, characterized in that: The detection and identification module is a PLC controller.

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