A kind of automobile sensor performance testing equipment

Abstract

The present invention relates to the technical field of detection equipment, and discloses an automobile sensor performance detection equipment, including a bottom plate, two support plates are symmetrically fixedly installed on the upper surface of the bottom plate, a turntable is rotatably installed between the two support plates, a plurality of placement openings are equidistantly penetrated through the circumferential outer surface of the turntable, an air flow sensor is arranged between the inner walls of the placement openings, a bracket is fixedly installed on the top of the two support plates, two T-shaped slide grooves are symmetrically penetrated through the upper surface of the bracket, a T-shaped slider is slidably installed on the inner walls of the two T-shaped slide grooves, and a slide plate is fixedly installed on the lower surface of the two T-shaped sliders. When the air inlet and air outlet of the air flow sensor are connected to the external detection air inlet pipe and detection return air pipe, the present invention does not need to be connected manually one by one, which greatly improves the detection efficiency during batch detection.

Description

Technical Field

[0001] The present invention relates to the technical field of detection equipment, and in particular to an automobile sensor performance detection device. Background Art

[0002] The air flow sensor, also known as the air flow meter, is one of the important sensors of the electronic fuel injection engine. It converts the inhaled air flow into an electrical signal and sends it to the electronic control unit as one of the basic signals for determining fuel injection. It is a sensor for measuring the air flow inhaled into the engine. Therefore, before installing it to the engine, the air flow sensor needs to be tested to determine whether its performance is intact.

[0003] When using the existing detection device, the operator needs to manually connect the air inlet and outlet of the air flow sensor to the external detection air inlet duct and detection return air duct, and manually remove it after the detection is completed. The manual operation method is slow and reduces the detection efficiency during batch detection. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an automobile sensor performance detection device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An automobile sensor performance detection device comprises a bottom plate, two support plates are symmetrically fixedly installed on the upper surface of the bottom plate, a turntable is rotatably installed between the two support plates, a plurality of placement openings are equidistantly penetrated through the circumferential outer surface of the turntable, an air flow sensor is arranged between the inner walls of the placement openings, a bracket is fixedly installed on the top of the two support plates, two T-shaped slide grooves are symmetrically penetrated through the upper surface of the bracket, a T-shaped slider is slidably installed on the inner walls of the two T-shaped slide grooves, a slide plate is fixedly installed on the lower surface of the two T-shaped slide plates, and the bottom ends of the two slide plates are opposite to each other. A cap is fixedly installed on the outer surface of each side, a trachea joint is fixedly installed on the outer surface of one end of the cap, the trachea joint passes through the outer surface of the slide plate, the inner diameter of the cap matches the outer diameter of the two ends of the air flow sensor, two support blocks are symmetrically fixedly installed on the upper surface of the bracket, a rotating shaft is rotatably installed between the two support blocks, two rotating rollers are symmetrically fixedly installed on the outer surface of the rotating shaft, guide grooves are provided on the circumferential outer surfaces of the two rotating rollers, guide pillars are fixedly installed on the upper surfaces of the two T-shaped sliders, and the two guide pillars are respectively slidably installed on the inner walls of the two guide grooves.

[0007] As a further solution of the present invention, one end of the rotating shaft passes through the outer surface of the support block and is fixedly installed with a second pulley, the outer surface of the support plate close to the second pulley is fixedly installed with a shell, the outer surface of one side of the shell is fixedly installed with a driving motor, and the output end of the driving motor passes through the inner wall of the shell and is fixedly installed with a first pulley, and the outer surfaces of the first pulley and the second pulley are sleeved with belts.

[0008] As a further solution of the present invention, the output end of the driving motor passes through the outer surface of the support plate and is fixedly installed with a transmission shaft, the other end of the transmission shaft is fixedly installed with an active dial, and the outer surface of the turntable near the rotation center of the active dial is fixedly installed with a driven groove wheel, and the active dial is meshed with the driven groove wheel.

[0009] As a further solution of the present invention, an annular groove is provided on the circumferential outer surface of the turntable, and a plurality of groups of L-shaped rotating rods are equidistantly installed in the annular groove in groups of two in the circumferential direction of the inner walls on both sides, and a group of two L-shaped rotating rods are inclined, and a chuck is fixedly installed on the top end of a group of two L-shaped rotating rods, and the chuck is abutted against the outer surface of the air flow sensor, and a driving groove is provided through the outer surface of the L-shaped rotating rod near the bottom end.

[0010] As a further scheme of the present invention, a plurality of sliding rods are fixedly installed at equal intervals in the circumferential direction of the bottom wall of the annular groove, and a driving plate is slidably installed on the outer surfaces of the plurality of sliding rods, and a spring is sleeved on the outer surface of the sliding rod, and the spring is arranged between the driving plate and the bottom wall of the annular groove, and two limit blocks are symmetrically fixedly installed on the outer surfaces of the opposite sides of the driving plate, and a plurality of limit grooves are equidistantly penetrated in the circumferential direction of the outer surface of the turntable, and the two limit blocks penetrate the limit grooves and are slidably installed with their inner wall, and two openings are symmetrically provided on the outer surfaces of the opposite ends of the driving plate, and a driving column is fixedly installed between the inner walls of the two openings, and the driving column is slidably installed with the inner wall of the driving groove, and a protrusion is fixedly installed on the lower surface of the cap near the bottom, and the bottom end of the protrusion is provided with an oblique angle, and the end of the limit block near the protrusion is provided with a chamfer matching the oblique angle, and the oblique angle is abutted against the outer surface of the chamfer.

[0011] As a further solution of the present invention, two telescopic columns are symmetrically and slidably inserted on the upper surface of the bracket, and the bottom ends of the two telescopic columns pass through the lower surface of the bracket and are fixedly installed with a mounting block, and a plurality of electrode sleeves are equidistantly and slidably inserted on the upper surface of the mounting block, and a plurality of electrodes are provided on the outer surface of the air flow sensor, and the electrodes are inserted inside the electrode sleeve, and a retaining ring is provided on the top end of the electrode sleeve, and a tension spring is provided on the outer surface of the electrode sleeve, and the top end of the tension spring is fixedly installed on the lower surface of the retaining ring, and the bottom end of the tension spring is fixedly installed on the upper surface of the mounting block, and wires are fixedly installed on the top ends of the plurality of electrode sleeves.

[0012] As a further solution of the present invention, a driving wheel is fixedly mounted on the outer surface of the rotating shaft, and the end surfaces of the driving wheel at opposite ends are provided with profiling grooves, and the outer surfaces of the tops of the two telescopic columns close to the driving wheels are fixedly mounted with guide rods, and the guide rods are slidably mounted on the inner walls of the profiling grooves.

[0013] As a further solution of the present invention, a plurality of radial grooves are equidistantly provided on the outer surface of the driven sheave in the circumferential direction, the number of the radial grooves is the same as the number of the placement openings, and the number of the sliding rods is the same as the number of the placement openings.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The T-shaped slider drives the two caps to move close to the air flow sensor through the slide plate, so that the two caps are respectively mounted on the two ends of the air flow sensor, and the inner wall of the caps abuts against the end faces of the two ends of the air flow sensor and stays for a short period of time. A constant flow of air is introduced into the interior of the air flow sensor through an external air pump. When the air inlet and outlet of the air flow sensor are connected with the external detection air inlet pipe and detection return air pipe through this device, there is no need to manually connect them one by one, which greatly improves the detection efficiency during batch detection;

[0016] 2. When the electrode sleeve is correctly mounted on the outside of the electrode, the air flow sensor is electrically connected to the external data analysis host through the wire, and the air flow passing through the inside is detected by the air flow sensor. Then the data is compared with the existing data to determine the accuracy of the air flow sensor data monitoring. When the electrode sleeve is not correctly mounted on the outside of the electrode, the electrode will lift up the electrode sleeve. At this time, the operator can intuitively see the bulge of the electrode sleeve. At this time, the data analysis host has no data to display. Through this device, it is possible to detect whether the position of the electrode on the air flow sensor is deviated, thereby avoiding poor contact of the connector during subsequent use and ensuring safe use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of an automobile sensor performance testing device proposed by the present invention;

[0018] Figure 2 A rear view structural diagram of an automobile sensor performance detection device proposed by the present invention;

[0019] Figure 3 This is a left-side structural schematic diagram of an automobile sensor performance detection device proposed by the present invention;

[0020] Figure 4 A schematic diagram of a driven sheave of an automobile sensor performance testing device proposed by the present invention;

[0021] Figure 5 A cross-sectional schematic diagram of a turntable of an automobile sensor performance testing device proposed by the present invention;

[0022] Figure 6 A schematic diagram of a slide plate of an automobile sensor performance testing device proposed by the present invention;

[0023] Figure 7 A schematic diagram of a T-shaped slideway of an automobile sensor performance testing device proposed by the present invention;

[0024] Figure 8 A schematic diagram of a driving board of an automobile sensor performance detection device proposed by the present invention;

[0025] Fig. 9 A schematic diagram of a bump of an automobile sensor performance testing device proposed by the present invention;

[0026] Fig.10 A schematic diagram of a telescopic column of an automobile sensor performance testing device proposed by the present invention;

[0027] Fig.11 A schematic diagram of an air flow sensor of an automobile sensor performance detection device proposed by the present invention;

[0028] Fig.12 A schematic diagram of a cap of an automobile sensor performance testing device proposed by the present invention;

[0029] Fig.13 A schematic diagram of a rotating roller of an automobile sensor performance testing device proposed by the present invention;

[0030] Fig.14 A schematic diagram of a driving wheel of an automobile sensor performance testing device proposed by the present invention;

[0031] Fig.15 This is a schematic diagram of the unfolding of a rotating roller of an automobile sensor performance testing device proposed by the present invention.

[0032] In the figure: 1, bottom plate; 2, support plate; 3, turntable; 4, placement port; 5, air flow sensor; 6, bracket; 7, drive motor; 8, housing; 9, first pulley; 10, belt; 11, second pulley; 12, support block; 13, rotating shaft; 14, driving wheel; 15, rotating roller; 16, slide plate; 17, guide groove; 18, contour groove; 19, guide rod; 20, guide column; 21, T-type slide groove; 22, telescopic column; 23, mounting block; 24, electrode sleeve; 25, wire; 26, tension spring; 27, annular groove; 28, L-shaped rotating rod; 29, chuck; 30, slide rod; 31, spring; 32, driving plate; 33, driven groove wheel; 34, active dial; 35, cap; 36, electrode; 37, bump. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0034] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Reference Figure 1-Figure 15, an automobile sensor performance detection device, comprising a bottom plate 1, two supporting plates 2 are symmetrically fixedly installed on the upper surface of the bottom plate 1, a turntable 3 is rotatably installed between the two supporting plates 2, a plurality of placement openings 4 are equidistantly penetrated on the circumferential outer surface of the turntable 3, an air flow sensor 5 is arranged between the inner walls of the placement openings 4, a bracket 6 is fixedly installed on the top of the two supporting plates 2, two T-shaped slide grooves 21 are symmetrically penetrated on the upper surface of the bracket 6, T-shaped slide blocks are slidably installed on the inner walls of the two T-shaped slide grooves 21, a slide plate 16 is fixedly installed on the lower surface of the two T-shaped slide blocks, a cap 35 is fixedly installed on the outer surface of the opposite side of the bottom end of the two slide plates 16, an air pipe joint is fixedly installed on the outer surface of one end of the cap 35, the air pipe joint penetrates the outer surface of the slide plate 16, and the inner diameter of the cap 35 is the same as the air flow sensor 5 The outer diameters of the two ends match each other, two support blocks 12 are symmetrically fixedly installed on the upper surface of the bracket 6, a rotating shaft 13 is rotatably installed between the two support blocks 12, two rotating rollers 15 are symmetrically fixedly installed on the outer surface of the rotating shaft 13, guide grooves 17 are provided on the circumferential outer surfaces of the two rotating rollers 15, guide columns 20 are fixedly installed on the upper surfaces of the two T-shaped sliders, and the two guide columns 20 are respectively slidably installed on the inner walls of the two guide grooves 17, one end of the rotating shaft 13 passes through the outer surface of the support block 12 and a second pulley 11 is fixedly installed, a shell 8 is fixedly installed on the outer surface of the support plate 2 close to the second pulley 11, a driving motor 7 is fixedly installed on the outer surface of one side of the shell 8, and a first pulley 9 is fixedly installed on the output end of the driving motor 7 through the inner wall of the shell 8, and a belt 10 is sleeved on the outer surfaces of the first pulley 9 and the second pulley 11.

[0037] The first pulley 9 is driven to rotate by the driving motor 7, the first pulley 9 drives the second pulley 11 to rotate through the belt 10, the second pulley 11 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the two rotating rollers 15 to rotate, the rotating rollers 15 drive the guide groove 17 to move, the guide groove 17 drives the two T-shaped sliders to move close to each other through the guide column 20, the T-shaped slider drives the two caps 35 to move close to the air flow sensor 5 through the slide plate 16, so that the two caps 35 are respectively set on the two ends of the air flow sensor 5, and the inner wall of the cap 35 is close to the air flow sensor 5. The end faces of the two ends of the sensor 5 are abutted against each other and stay for a short period of time. One of the two caps 35 is connected to the external air inlet pipe through the air pipe joint and the air pipe, and the other cap 35 is connected to the external air return pipe through the air pipe joint and the air pipe. A constant flow of air is introduced into the interior of the air flow sensor 5 through an external air pump. When the air inlet and air outlet of the air flow sensor 5 are connected to the external detection air inlet pipe and detection return air pipe through this device, there is no need to manually connect them one by one, which greatly improves the detection efficiency during batch detection.

[0038] In this embodiment, the output end of the driving motor 7 passes through the outer surface of the support plate 2 and is fixedly installed with a transmission shaft, and the other end of the transmission shaft is fixedly installed with a driving dial 34. The outer surface of the turntable 3 near the rotation center of the driving dial 34 is fixedly installed with a driven groove wheel 33. The driving dial 34 is meshed with the driven groove wheel 33. The driving motor 7 drives the transmission shaft to rotate, so that the transmission shaft drives the driving dial 34 to rotate, the driving dial 34 drives the driven groove wheel 33 to rotate intermittently, the driven groove wheel 33 drives the turntable 3 to rotate intermittently, and the turntable 3 drives the air flow sensor 5 to move intermittently between the two caps 35.

[0039] In this embodiment, an annular groove 27 is provided on the circumferential outer surface of the turntable 3. A plurality of groups of L-shaped rotating rods 28 are equidistantly installed in a group of two in the circumferential direction of the inner walls on both sides of the annular groove 27. A group of two L-shaped rotating rods 28 are tilted. A clamp 29 is fixedly installed on the top of each group of two L-shaped rotating rods 28. The clamp 29 abuts against the outer surface of the air flow sensor 5. A driving groove is provided on the outer surface of the L-shaped rotating rod 28 near the bottom end. A plurality of sliding rods 30 are equidistantly fixedly installed in the circumferential direction of the bottom wall of the annular groove 27. A driving plate 32 is slidably installed on the outer surface of the plurality of sliding rods 30. A spring 31 is sleeved on the outer surface of the sliding rod 30. The spring 31 is provided Between the driving plate 32 and the bottom wall of the annular groove 27, two limit blocks are symmetrically fixedly installed on the outer surfaces of the opposite sides of the driving plate 32, and a plurality of limit grooves are equidistantly penetrated in the circumferential direction of the outer surface of the turntable 3. Both limit blocks penetrate the limit grooves and are slidably installed with the inner walls thereof. Two openings are symmetrically opened on the outer surfaces of the opposite ends of the driving plate 32, and a driving column is fixedly installed between the inner walls of the two openings. The driving column is slidably installed with the inner wall of the driving groove. A protrusion 37 is fixedly installed on the lower surface of the cap 35 near the bottom, and a bevel is opened at the bottom end of the protrusion 37. A chamfer matching the bevel is opened at one end of the limit block near the protrusion 37, and the outer surfaces of the bevel and the chamfer are against each other.

[0040] By moving the two caps 35 closer to the air flow sensor 5, the protrusion 37 at the bottom of the cap 35 moves closer to the limit block, so that the outer surfaces of the bevel and the chamfer are abutted against each other, and the drive plate 32 is driven downward by the protrusion 37. The drive plate 32 drives the two L-shaped rotating rods 28 to rotate closer to each other through the driving groove and the driving column. The L-shaped rotating rod 28 aligns and fixes the position of the air flow sensor 5 through the clamp 29. The device makes it easy to quickly fix the position of the air flow sensor 5, which is convenient for subsequent detection.

[0041] In this embodiment, two telescopic columns 22 are symmetrically and slidably inserted on the upper surface of the bracket 6, and the bottom ends of the two telescopic columns 22 pass through the lower surface of the bracket 6 and are fixedly installed with a mounting block 23. A plurality of electrode sleeves 24 are equidistantly and slidably inserted on the upper surface of the mounting block 23. A plurality of electrodes 36 are provided on the outer surface of the air flow sensor 5, and the electrode 36 is inserted inside the electrode sleeve 24. A retaining ring is provided at the top of the electrode sleeve 24, and a tension spring 26 is provided on the outer surface of the electrode sleeve 24. The top of the tension spring 26 is fixedly installed with the lower surface of the retaining ring, and the bottom end of the tension spring 26 is fixedly installed with the upper surface of the mounting block 23. A wire 25 is fixedly installed on the top of the plurality of electrode sleeves 24, and a driving wheel 14 is fixedly installed on the outer surface of the rotating shaft 13. The end faces of the driving wheel 14 at opposite ends are provided with profiling grooves 18. A guide rod 19 is fixedly installed on the outer surface of the top of the two telescopic columns 22 close to the driving wheel 14, and the guide rod 19 is slidably installed with the inner wall of the profiling groove 18.

[0042] The driving wheel 14 is driven to rotate by the rotating shaft 13, and the driving wheel 14 drives the profiling groove 18 to move. The profiling groove 18 drives the telescopic column 22 to move up and down intermittently through the guide rod 19. When the telescopic column 22 moves downward, after the position of the air flow sensor 5 is corrected and fixed, the mounting block 23 is driven to move downward. The mounting block 23 drives multiple electrode sleeves 24 to be sleeved on the outside of the electrode 36. When the electrode sleeve 24 is correctly sleeved on the outside of the electrode 36, the air flow sensor 5 is electrically connected to the external data analysis host through the wire 25, and the air flow passing through the inside is detected by the air flow sensor 5, and then the data is compared with the existing data, so as to judge the accuracy of the data monitoring of the air flow sensor 5. When the electrode sleeve 24 is not correctly sleeved on the outside of the electrode 36, the electrode 36 will lift the electrode sleeve 24. At this time, the operator can intuitively see that the electrode sleeve 24 is raised. At this time, the data analysis host has no data to display. Through this device, it can be detected whether the position of the electrode 36 on the air flow sensor 5 is deviated, so as to avoid poor contact of the joint during subsequent use, thereby ensuring the safety of use.

[0043] In this embodiment, a plurality of radial grooves are equidistantly formed in the circumferential direction of the outer surface of the driven sheave 33 , the number of the radial grooves is the same as the number of the placement openings 4 , and the number of the slide bars 30 is the same as the number of the placement openings 4 .

[0044] In this embodiment, in order to prevent the clamp 29 from clamping the outer surface of the air flow sensor 5, the clamp 29 is made of rubber material.

[0045] It should be noted that when the present invention is in use, the operator manually places the air flow sensor 5 inside the placement opening 4 at the upper oblique position. Since the air flow sensor 5 is provided with limiting convex rings on the circumferential outer surfaces near the two ends, the limiting convex rings are clamped at the two end surface positions of the turntable 3, and the position of the air flow sensor 5 on the axis of the turntable 3 can be limited by the two limiting convex rings. After the air flow sensor 5 is placed, the drive shaft is driven by the driving motor 7 to rotate, so that the drive shaft drives the active dial 34 to rotate, and the active dial 34 drives the driven groove wheel 33 to rotate intermittently, and the driven groove wheel 3 3 drives the turntable 3 to rotate intermittently, and the turntable 3 drives the air flow sensor 5 to move intermittently between the two caps 35; at the same time, the first pulley 9 is driven to rotate by the driving motor 7, the first pulley 9 drives the second pulley 11 to rotate through the belt 10, the second pulley 11 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the two rotating rollers 15 to rotate, the rotating rollers 15 drive the guide groove 17 to move, the guide groove 17 drives the two T-shaped sliders to move close to each other through the guide column 20, and the T-shaped slider drives the two caps 35 to move close to the air flow sensor 5 through the slide plate 16, so that the two caps 35 are separated. The two caps 35 are respectively mounted on the two ends of the air flow sensor 5, and the inner wall of the cap 35 abuts against the end faces of the two ends of the air flow sensor 5 and stays there for a short period of time. One of the two caps 35 is connected to the external air inlet pipe through the air pipe joint and the air pipe, and the other cap 35 is connected to the external air return pipe through the air pipe joint and the air pipe. A constant flow of air is introduced into the air flow sensor 5 through an external air pump. When the air inlet and air outlet of the air flow sensor 5 are connected to the external detection air inlet pipe and detection return air pipe, there is no need to manually connect them one by one. The efficiency of the inspection is greatly improved during batch inspection; at the same time, the two caps 35 move close to the air flow sensor 5, so that the protrusion 37 at the bottom of the cap 35 moves close to the limit block, so that the outer surface of the bevel and the chamfer are against each other, and the drive plate 32 is driven to move downward by the protrusion 37, and the drive plate 32 drives the two L-shaped rotating rods 28 to rotate close to each other through the driving groove and the driving column. The L-shaped rotating rod 28 aligns and fixes the position of the air flow sensor 5 through the clamp 29. The device is convenient for quickly fixing the position of the air flow sensor 5, which is convenient for subsequent inspection;The driving wheel 14 is driven to rotate by the rotating shaft 13, and the driving wheel 14 drives the profiling groove 18 to move. The profiling groove 18 drives the telescopic column 22 to move up and down intermittently through the guide rod 19. When the telescopic column 22 moves downward, it will drive the mounting block 23 to move downward after the position of the air flow sensor 5 is corrected and fixed. The mounting block 23 drives multiple electrode sleeves 24 to be sleeved on the outside of the electrode 36. When the electrode sleeve 24 is correctly sleeved on the outside of the electrode 36, the air flow sensor 5 is electrically connected to the external data analysis host through the wire 25. The air flow sensor 5 detects the air flow passing through the inside, and then compares the data with the existing data to determine the accuracy of the data monitoring of the air flow sensor 5. When the electrode sleeve 24 is not correctly sleeved on the outside of the electrode 36, the electrode 36 will lift the electrode sleeve 24. At this time, the operator can intuitively see that the electrode sleeve 24 is raised. At this time, the data analysis host has no data display. Through this device, it can be detected whether the position of the electrode 36 on the air flow sensor 5 is deviated, avoiding poor contact of the joint during subsequent use, and ensuring the safety of use. ;

[0046] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An automobile sensor performance testing device, comprising a base plate (1), characterized in that: Two support plates (2) are symmetrically fixedly mounted on the upper surface of the bottom plate (1), a turntable (3) is rotatably mounted between the two support plates (2), a plurality of placement openings (4) are equidistantly penetrated on the circumferential outer surface of the turntable (3), an air flow sensor (5) is arranged between the inner walls of the placement openings (4), a bracket (6) is fixedly mounted on the top of the two support plates (2), two T-shaped slide grooves (21) are symmetrically penetrated on the upper surface of the bracket (6), a T-shaped slider is slidably mounted on the inner walls of the two T-shaped slide grooves (21), a slide plate (16) is fixedly mounted on the lower surface of the two T-shaped sliders, a cap (35) is fixedly mounted on the outer surface of the opposite side of the bottom end of the two slide plates (16), and the cap (35) is fixedly mounted on the outer surface of the cap (35) ) is fixedly mounted on the outer surface of one end of the T-shaped slide block (16), the trachea joint passes through the outer surface of the slide plate (16), the inner diameter of the cap (35) matches the outer diameter of the two ends of the air flow sensor (5), two support blocks (12) are symmetrically fixedly mounted on the upper surface of the bracket (6), a rotating shaft (13) is rotatably mounted between the two support blocks (12), two rotating rollers (15) are symmetrically fixedly mounted on the outer surface of the rotating shaft (13), the circumferential outer surfaces of the two rotating rollers (15) are provided with guide grooves (17), the upper surfaces of the two T-shaped slide blocks are fixedly mounted with guide posts (20), the two guide posts (20) are slidably mounted on the inner walls of the two guide grooves (17), one end of the rotating shaft (13) passes through the support block (1 A second pulley (11) is fixedly mounted on the outer surface of the support plate (2), a shell (8) is fixedly mounted on the outer surface of one side of the support plate (2) close to the second pulley (11), a driving motor (7) is fixedly mounted on the outer surface of one side of the shell (8), an output end of the driving motor (7) passes through the inner wall of the shell (8) and a first pulley (9) is fixedly mounted thereon, a belt (10) is sleeved on the outer surfaces of the first pulley (9) and the second pulley (11), a transmission shaft is fixedly mounted on the output end of the driving motor (7) passes through the outer surface of the support plate (2), a driving dial (34) is fixedly mounted on the other end of the transmission shaft, a driven groove wheel (33) is fixedly mounted on the outer surface of the turntable (3) close to the rotation center of the driving dial (34), the driving The dial (34) is meshed with the driven groove wheel (33), and the outer circumferential surface of the rotating disk (3) is provided with an annular groove (27). The annular groove (27) is provided with a plurality of groups of L-shaped rotating rods (28) equidistantly rotatably mounted in pairs in the circumferential direction of the inner walls on both sides, and the two L-shaped rotating rods (28) in a group are tilted, and the top ends of the two L-shaped rotating rods (28) in a group are fixedly mounted with a chuck (29), and the chuck (29) abuts against the outer surface of the air flow sensor (5). The outer surface of the L-shaped rotating rod (28) near the bottom end is provided with a driving groove, and the bottom wall of the annular groove (27) is provided with a plurality of sliding rods (30) equidistantly fixedly mounted in the circumferential direction, and the outer surfaces of the plurality of sliding rods (30) are slidably mounted with a driving plate (32).The outer surface of the slide bar (30) is sleeved with a spring (31), and the spring (31) is arranged between the drive plate (32) and the bottom wall of the annular groove (27). Two limit blocks are symmetrically fixedly installed on the outer surfaces of the drive plate (32) at opposite sides. A plurality of limit grooves are equidistantly penetrated in the circumferential direction of the outer surface of the turntable (3). Both of the two limit blocks penetrate the limit grooves and are slidably installed on the inner wall thereof. Two openings are symmetrically provided on the outer surfaces of the drive plate (32) at opposite ends, and a drive column is fixedly installed between the inner walls of the two openings. The driving column is slidably mounted on the inner wall of the driving groove, a protrusion (37) is fixedly mounted on the lower surface of the cap (35) near the bottom, a bevel is provided at the bottom end of the protrusion (37), a chamfer matching the bevel is provided at one end of the stop block near the protrusion (37), the bevel abuts against the outer surface of the chamfer, a plurality of radial grooves are equidistantly provided in the circumferential direction of the outer surface of the driven groove wheel (33), the number of the radial grooves is set to be the same as the number of the placement openings (4), and the number of the sliding rods (30) is set to be the same as the number of the placement openings (4).

2. The automobile sensor performance testing device according to claim 1, characterized in that: Two telescopic columns (22) are symmetrically and slidably inserted on the upper surface of the bracket (6); the bottom ends of the two telescopic columns (22) penetrate the lower surface of the bracket (6) and are fixedly mounted with a mounting block (23); a plurality of electrode sleeves (24) are equidistantly and slidably inserted on the upper surface of the mounting block (23); a plurality of electrodes (36) are arranged on the outer surface of the air flow sensor (5); the electrodes (36) are inserted inside the electrode sleeve (24); a retaining ring is arranged at the top end of the electrode sleeve (24); a tension spring (26) is sleeved on the outer surface of the electrode sleeve (24); the top end of the tension spring (26) is fixedly mounted on the lower surface of the retaining ring; the bottom end of the tension spring (26) is fixedly mounted on the upper surface of the mounting block (23); and a plurality of wires (25) are fixedly mounted on the top ends of the electrode sleeves (24).

3. The automobile sensor performance testing device according to claim 2, characterized in that: A driving wheel (14) is fixedly mounted on the outer surface of the rotating shaft (13), and the end surfaces of the driving wheel (14) at opposite ends are provided with profiling grooves (18). A guide rod (19) is fixedly mounted on the outer surface of the top of the two telescopic columns (22) on a side close to the driving wheel (14), and the guide rod (19) is slidably mounted on the inner wall of the profiling groove (18).

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