CN112241029A

CN112241029A - Multi-point space foreign matter detection device and verification method of product foreign matter detection function

Info

Publication number: CN112241029A
Application number: CN202011187681.9A
Authority: CN
Inventors: 楼建杰; 俞碧君; 姚玉丽
Original assignee: Zhejiang VIE Science and Technology Co Ltd
Current assignee: Zhejiang VIE Science and Technology Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-01-19

Abstract

The invention relates to the technical field of equipment detection, and discloses a multi-point space foreign matter detection device which comprises a rack (1), wherein a first equipment placing platform (2) is arranged in the rack (1), a detection device (3) is arranged on one side of the first equipment placing platform (2), a probe (5) device comprises a first moving platform (4) and a probe (5), and the first moving platform (4) can drive the probe (5) to move in the X-axis direction, the Y-axis direction and the Z-axis direction. The first equipment placing platform (2) comprises a base (6) and a second moving platform (7) installed on a bottom plate, a placing frame (8) is installed on the second moving platform (7), and the second moving platform (7) can drive the placing frame (8) to move in the X-axis direction and the Y-axis direction. The device has the advantages of accurate detection data, high efficiency and the like.

Description

Multi-point space foreign matter detection device and verification method of product foreign matter detection function

Technical Field

The invention relates to the field of equipment detection, in particular to a multi-point space foreign matter detection device.

Background

Some devices have a certain space in themselves, so that foreign matter can enter the device in the actual use process. For example, the wireless charging device for the vehicle comprises a vehicle-mounted end device and a ground end device, wherein the ground end device has a certain space and has a foreign matter identification feedback function, and particularly, when a foreign matter enters the ground end charging device, the foreign matter is detected. Ground end charging equipment can carry out the perception, but exists in the actual production process, and charging device can't respond to the foreign matter and get into the space, leads to charging device can't launch subsequent safety protection measure, has great potential safety hazard. How to verify the foreign object detection capability of the device is a great technical problem in the prior art.

Chinese patent CN201410113698.8 provides a foreign object detection device, but the device cannot be adapted to the technical problem to be solved by the present application. In the prior art, manual detection is mostly adopted. The detection efficiency is low, and the detection reliability is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a multi-point space foreign matter detection device.

In order to solve the technical problem, the invention is solved by the following technical scheme:

multi-point space foreign matter detection device, including the frame, be provided with first equipment place the platform in the frame, one side of first equipment place the platform is provided with detecting device, and probe device includes first moving platform and probe, and first moving platform can drive the probe and carry out the motion of X axle, Y axle and Z axle direction.

Preferably, the first equipment placing platform comprises a base and a second moving platform arranged on the bottom plate, the second moving platform is provided with a placing rack, and the second moving platform can drive the placing rack to move in the X-axis direction and the Y-axis direction.

Preferably, the rack is a rectangular frame formed by assembling sectional materials, the rectangular frame divides the space into a first installation space and a second installation space, the first equipment platform is arranged in the first installation space, and the probe device is arranged in the second installation space; the first moving platform comprises first ball screw devices which are arranged on cross rods on two sides of the second installation space and are arranged along the X-axis direction of the second installation space, each first ball screw device comprises a first driving motor, a first screw rod and a first sliding block, the first screw rod and the first sliding block are driven by the first driving motor, and the first driving motor can drive the first sliding block to move along the X-axis direction through the first screw rod; the first mobile platform further comprises a second ball screw device, the second ball screw device comprises a second driving motor and a second machine shell, the second driving motor is installed on one first sliding block, one end, far away from the second driving motor, of the second machine shell is installed on the other first sliding block, the second machine shell and the first ball screw device are vertically arranged, the second machine shell extends along the Y-axis direction, and a second screw and a second sliding block are arranged in the second machine shell; and a third ball screw device is arranged on the second slide block, the third ball screw device extends along the Z-axis direction, the slide block of the third ball screw device is a third slide block, and a probe extending along the X-axis direction is fixedly arranged on the third slide block.

Preferably, the first equipment placing platform is installed in the first installation space and comprises a base fixed to the bottom of the first installation space, the second moving platform comprises a first X-axis-direction translation mechanism, the first translation mechanism comprises a first installation plate, a second Y-axis-direction translation mechanism is installed on the first installation plate, a second installation plate is arranged above the second translation mechanism, and the placing frame is fixedly installed on the second installation plate.

Preferably, the placing rack comprises a box body at the bottom and a rotary table mechanism arranged at the upper end of the box body, a placing plate is fixedly arranged on the rotary table mechanism, and the probe can move to the upper side of the placing plate through the first moving platform.

Preferably, the placing plate is a non-metal plate, and a limiting frame used for limiting the equipment to be detected is arranged on the placing plate.

Preferably, the rack is provided with a ground end charging equipment placing layer above the placing plate, and a simulated vehicle body metal plate placing layer is arranged above the ground end charging equipment placing layer.

Preferably, the box body is a transparent box body, and storage lattices are arranged in the box body; the turntable mechanism comprises a turntable seat and a rotatable turntable mounting plate arranged in the turntable seat, the edge of the turntable mounting plate is provided with an arc scale, an arc-shaped groove is formed in the turntable mounting plate, a pointer is arranged on the arc scale on the turntable seat, the pointer penetrates out of the arc scale and is located above the arc scale, and the placing plate is fixedly mounted on the turntable mounting plate.

Preferably, a lifting device is arranged between the turntable mechanism and the box body, the lifting device comprises a transmission screw rod, one end of the transmission screw rod drives the lifting screw rod to rotate through a bevel gear seat, the turntable mechanism is in threaded connection with the lifting screw rod, the turntable mechanism is fixedly connected with the box body through a guide shaft, the turntable mechanism can be driven by the lifting screw rod to move up and down, a scale in the vertical direction is fixedly arranged on a turntable base, an upper cover of the box body is provided with a slot, and the scale penetrates through the slot and is inserted into the box body.

The table pillow designed by the invention has the following technical effects:

the detection device designed by the invention has the following advantages: this check out test set overall mechanism of at first design is the cuboid frame type, so whole device wholeness is better, also is convenient for installation and spatial arrangement, and equipment can not receive external interference simultaneously. Secondly, the invention ensures the automation degree of the whole detection process through the structure and the design of the controller, and the detection points can be controlled, thereby ensuring the comprehensiveness of the detection. Moreover, the device can be adapted to equipment to be detected with different sizes, and the detection process is controllable. The defect that the position of placing the foreign matters cannot be accurately placed manually in the prior art, accurate verification cannot be achieved, and the defect that the traditional method for placing the foreign matters in the air easily causes interference to equipment needing verification and cannot accurately feed back the foreign matters is overcome.

Drawings

Fig. 1 is a schematic view of the overall structure of the apparatus.

Fig. 2 is a schematic view of the structure of fig. 1 with the frame removed.

Fig. 3 is a schematic structural view of the first device placement platform.

Fig. 4 is an enlarged view of fig. 3.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-rack, 2-first equipment placing platform, 3-detecting device, 4-first moving platform, 5-probe, 6-base, 7-second moving platform, 8-rack, 9-first installation space, 10-second installation space, 11-first ball screw device, 12-first driving motor, 13-first slide block, 50-second ball screw device, 14-second driving motor, 15-second casing, 16-second slide block, 17-third ball screw device, 18-third driving motor, 19-third slide block, 20-first installation plate, 21-first translation mechanism, 22-second translation mechanism, 23-second installation plate, 24-box body, 25-turntable mechanism, 26-placing plate, 27-limiting frame, 28-vehicle-mounted end charging equipment placing layer, 29-vehicle body metal plate placing layer, 30-turntable seat, 31-turntable installation plate, 31-rotating plate installation plate, 32-arc scale, 33-pointer, 34-drive screw, 35-lifting screw, 36-bevel gear seat, 37-scale, 38-slot, 39-guide shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

Multi-point space foreign matter detection device, including frame 1, be provided with first equipment place the platform 2 in the frame 1, one side of first equipment place the platform 2 is provided with detection device 3, and probe 5 device includes first moving platform 4 and probe 5, and first moving platform 4 can drive probe 5 and carry out the motion of X axle, Y axle and Z axle direction. In this embodiment, the frame 1 is formed by assembling aluminum profiles, and the whole frame 1 is in a rectangular parallelepiped shape. Wherein the first equipment placing platform 2 is arranged at one side in the frame 1, the detecting device 3 is arranged at the other side in the frame 1, and the first equipment placing platform 2 and the detecting device 3 are both arranged in the frame 1.

To further describe the structural and functional features of the first device placement platform 2, this section is explained in detail below;

the first equipment placing platform 2 comprises a bottom plate and a second moving platform 7 installed on the bottom plate, a placing frame 8 is installed on the second moving platform 7, and the second moving platform 7 can drive the placing frame 8 to move in the X-axis direction and the Y-axis direction. The adjusting device can be adapted to verification equipment with different sizes and shapes, so that the equipment has high universality, and the research and development investment in the later stage of the equipment is reduced.

In this embodiment, as described above, the rack 1 is a rectangular frame formed by assembling sectional materials, the rectangular frame divides the space into a first installation space 9 and a second installation space 10, the first equipment platform is disposed in the first installation space 9, and the probe 5 device is installed in the second installation space 10; the first moving platform 4 comprises first ball screw devices 11 which are arranged on cross bars at two sides of the second installation space 10 and are arranged along the X-axis direction of the second installation space, each first ball screw device 11 comprises a first driving motor 12, a first screw rod and a first sliding block 13, the first driving motor 12 drives the first sliding block 13 to move along the X-axis direction through the first screw rod; the first moving platform 4 further comprises a second ball screw device 50, the second ball screw device 50 comprises a second driving motor 4 and a second machine shell 15, the second driving motor 4 is installed on one first sliding block 13, one end, far away from the second driving motor 4, of the second machine shell 15 is installed with the other first sliding block 13, the second machine shell 15 and the first ball screw device 11 are vertically arranged, the second machine shell 15 extends along the Y-axis direction, and a second screw and a second sliding block 16 are arranged in the second machine shell 15; the second slide block 16 is provided with a third ball screw device 17, the third ball screw device 17 extends along the Z-axis direction, the slide block of the third ball screw device 17 is a third slide block 19, and the third slide block 19 is fixedly provided with a probe 5 extending along the X-axis direction. Probe 5 is the carbon fiber pole piece in this embodiment, and the carbon fiber pole piece can avoid other metals except that metallic foreign matter 60 to get into to detecting space, and this embodiment adopts a plurality of unipolar modules to realize the plane removal that needs verification equipment, and this kind of transmission structure cooperation frame 1 is installed fixedly, has that the installation is fixed simply, supports reliable characteristics moreover.

In this embodiment, the first device placement platform 2 is installed in the first installation space 9, the first device placement platform 2 includes a base 6 fixed at the bottom of the first installation space 9, the second moving platform 7 includes a first translation mechanism 21 in the X axis direction, the first translation mechanism 21 includes a first installation plate 20, a second translation mechanism 22 in the Y axis direction is installed on the first installation plate 20, a second installation plate 23 is arranged above the second translation mechanism 22, and the placement frame 8 is fixedly installed on the second installation plate 23. The first translation mechanism 21 and the second translation mechanism 22 in this embodiment both move in a manner that a motor drives a ball screw. The first translation mechanism 21 comprises a first translation driving assembly and a sliding rail arranged on the base 6, the first translation driving assembly is fixedly connected with the base 6 through the sliding rail, the second translation mechanism 22 is arranged on a fixing plate of the first translation mechanism 21, the first translation driving assembly drives the second translation mechanism 22 to slide in the X axial direction by driving the fixing plate, the second translation mechanism 22 comprises a second translation driving assembly, the sliding rail is arranged on the upper end face of the fixing plate of the first translation driving mechanism, the box body 24 is fixedly connected with the second translation driving assembly, the box body 24 is slidably connected with the sliding rail on the fixing plate of the first translation driving assembly, and the second translation driving assembly can drive the box body 24 to perform

In this embodiment, the placing rack 8 includes a box 24 at the bottom and a turntable mechanism 25 disposed at the upper end of the box 24, a placing plate 26 is fixedly disposed on the turntable mechanism 25, and the probe 5 can be moved to the upper side of the placing plate 26 through the first moving platform 4. In order to detect the foreign matter 60 detection capability of the equipment to be detected, the end part of the probe 5 is fixedly provided with the foreign matter 60, and the foreign matter 60 is conveyed to different positions in the internal space of the equipment to be detected, so that the detection capability of the foreign matter 60 of the equipment to be detected is tested.

Owing to treat the great metallic foreign object 60 that is of check out test set influence, and in order to avoid check out test set to treat that the product that detects causes metallic interference and avoid the motor to cause electromagnetic interference to check out test set, so place the board 26 in this embodiment and be nonmetal plate, nonmetal plate can shield external metallic foreign object 60 and electromagnetic interference, it is provided with the restriction frame 27 that is used for restricting the check out test set to place on the board 26, restriction frame 27 is the mounting bracket, a position for fixing the check out test set, and restriction frame 27 can be adjusted, be convenient for realize the location to different products.

In order to ensure simpler and more convenient installation, in the embodiment, the rack 1 is provided with a vehicle-mounted end charging device placing layer 28 above the placing plate 26, and a simulated vehicle body metal plate placing layer 29 is arranged above the ground end charging device placing layer. The vehicle-mounted end charging equipment placing layer 28 is located on the upper side of the ground end charging equipment, the ground end charging equipment cannot be affected in the actual detection process, the metal plate of the placed simulation vehicle body can bring the vehicle-mounted charging equipment into a more real scene, the scene of the charging process can be more accurately simulated, and the detection reasonability and accuracy are guaranteed.

In this embodiment, the box 24 is a transparent box 24, which is rectangular as a whole, and the side of the box 24 is a transparent glass plate. A storage lattice is arranged in the box body 24; carousel mechanism 25 includes carousel seat 30 and the rotatable carousel mounting panel 31 of setting in carousel seat 30, and the border of carousel mounting panel 31 is provided with arc scale 32, is provided with the arc wall on the carousel mounting panel 31, is provided with pointer 33 on the arc scale 32 on the carousel seat 30, and pointer 33 wears out the top that is located arc scale 32 from the arc wall, places board 26 fixed mounting on carousel mounting panel 31. The turntable mechanism 25 in this embodiment is a manually driven turntable, wherein in order to ensure that the rotation can be controlled, the turntable in this embodiment is provided with a scale to realize accurate control of the rotation position. In addition, the pointer 33 in the embodiment cannot rotate, the control of the rotation angle is realized by the rotation of the scale relative to the pointer 33, and compared with the structure that the pointer 33 is fixed on a turntable, the structure has the advantages of long service life and stable fixation of the pointer 33.

In order to realize the position adjustment of the turntable mechanism 25, in this embodiment, a lifting device is arranged between the turntable mechanism 25 and the box body 24, the lifting device includes a transmission screw 34, one end of the transmission screw 34 drives the lifting screw 35 to rotate through a bevel gear seat 36, the turntable mechanism 25 is in threaded connection with the lifting screw 35, the turntable mechanism 25 is fixedly connected with the box body 24 through a guide shaft 39, the turntable mechanism 25 can move up and down under the driving of the rotation of the lifting screw 35, a scale 37 in the vertical direction is fixedly arranged on the turntable base 6, an upper cover of the box body 24 is provided with a slot 38, and the scale 37 passes through the slot 38 and is inserted into the box body 24. The distance between the turntable and the box body 24 can be ensured by arranging the graduated scale 37, so that the distance between the ground wireless charging equipment and the vehicle-mounted wireless charging equipment can be conveniently controlled. This check out test set that this embodiment designed has following characteristics, and this check out test set whole mechanism of at first design is the cuboid frame type, so whole device wholeness is better, also is convenient for installation and spatial arrangement, and equipment can not receive external interference simultaneously. Secondly, the invention ensures the automation degree of the whole detection process through the structure and the design of the controller, and the detection points can be controlled, thereby ensuring the comprehensiveness of the detection. Moreover, the device can be adapted to equipment to be detected with different sizes, and the detection process is controllable. The defect that the position of the foreign body 60 cannot be accurately placed by manual placement in the prior art, accurate verification cannot be achieved, and the defect that interference cannot be accurately fed back to equipment needing verification is easily caused by traditional empty placement is overcome.

The detection equipment verification process is as follows:

1. fixing a ground end wireless charging device and a vehicle end wireless charging device, connecting the ground end wireless charging device, the vehicle end wireless charging device and a CAN communication line of the detection device, and turning on a product power supply; the ground-end wireless charging equipment realizes the position fixation of the vehicle-mounted end through the first translation mechanism 21, the second translation mechanism 22 and the turntable, so that the automation is convenient to realize, and the points to be detected of each product to be detected are fixed points in the product;

2. fixing a metallic foreign substance 60 to an end of the probe 5;

3. opening test software, entering a foreign matter 60 detection test interface, selecting a model to be tested in a product model drop-down box, inputting the model of the software, and clicking a start button after the foreign matter 60 selects the type of the foreign matter 60 in the drop-down box; the first moving platform 4 and the second moving platform 7 move the probe 5 to the original point position;

4. the control system controls the metal foreign body 60 to move to a first test point, receives a signal of whether the foreign body 60 exists or not, and judges and records the foreign body; the metallic foreign object 60 moves to the next test and repeats the reception and recording; until the foreign metal 60 returns to the origin after the last test point.

5. Displaying the existence of the foreign matters 60 on a computer display screen, and judging whether the functions of the equipment need to be verified are normal or not;

6. and exiting the software after the test is finished.

Example 2

This embodiment is different from embodiment 1 in that: the limiting frame 27 provided on the placing plate 26 includes a limiting block 261, a fixing groove 262 and a fixing bolt 263, the limiting block 261 is inserted into the fixing groove 262 through the fixing bolt 263 to fix the limiting block 261, the fixing groove 262 in this embodiment is a strip-shaped groove, so that the limiting block 261 can be conveniently adjusted in position.

Example 3

This embodiment is different from embodiment 1 in that: the magnetic base 51 is fixedly mounted on the turntable mounting plate 31, the magnetic base 51 fixes the placing plate, the magnetic base 51 is fixed to change the plane angle, and different plane deviations and height changes among different parts of equipment to be verified are achieved.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. Multi-point space foreign matter detection device, including frame (1), its characterized in that: be provided with first equipment place the platform (2) in frame (1), one side of first equipment place the platform (2) is provided with detection device (3), and probe (5) device includes first moving platform (4) and probe (5), and first moving platform (4) can drive probe (5) and carry out the motion of X axle, Y axle and Z axle direction.

2. The multi-spot spatial foreign matter detection device according to claim 1, characterized in that: the first equipment placing platform (2) comprises a base (6) and a second moving platform (7) installed on a bottom plate, a placing frame (8) is installed on the second moving platform (7), and the second moving platform (7) can drive the placing frame (8) to move in the X-axis direction and the Y-axis direction.

3. The multi-spot spatial foreign matter detection device according to claim 1, characterized in that: the machine frame (1) is a cuboid frame formed by assembling sectional materials, the cuboid frame divides the space into a first installation space (9) and a second installation space (10), the first equipment platform is arranged in the first installation space (9), and the probe (5) device is arranged in the second installation space (10); the first moving platform (4) comprises first ball screw devices (11) which are arranged on cross rods on two sides of the second installation space (10) and are arranged along the X-axis direction of the second installation space, each first ball screw device (11) comprises a first driving motor (12), a first screw rod and a first sliding block (13) which are driven by the first driving motor (12), and the first driving motor (12) can drive the first sliding block (13) to move along the X-axis direction through the first screw rod; the first moving platform (4) further comprises a second ball screw device (50), the second ball screw device (50) comprises a second driving motor (4) and a second machine shell (15), the second driving motor (4) is installed on one first sliding block (13), one end, far away from the second driving motor (4), of the second machine shell (15) is installed on the other first sliding block (13), the second machine shell (15) and the first ball screw device (11) are vertically arranged, the second machine shell (15) extends along the Y-axis direction, and a second screw and a second sliding block (16) are arranged in the second machine shell (15); a third ball screw device (17) is arranged on the second slide block (16), the third ball screw device (17) extends along the Z-axis direction, the slide block of the third ball screw device (17) is a third slide block (19), and a probe (5) extending along the X-axis direction is fixedly arranged on the third slide block (19).

4. The multi-spot spatial foreign matter detection device according to claim 3, characterized in that: first equipment place the platform (2) and install in first installation space (9), first equipment place the platform (2) including fixing base (6) in first installation space (9) bottom, second moving platform (7) include X axial first translation mechanism (21), first translation mechanism (21) include first mounting panel (20), install Y axial second translation mechanism (22) on first mounting panel (20), the top of second translation mechanism (22) is provided with second mounting panel (23), rack (8) fixed mounting is on second mounting panel (23).

5. The multi-spot spatial foreign matter detection device according to claim 4, characterized in that: the placing rack (8) comprises a box body (24) at the bottom and a rotary table mechanism (25) arranged at the upper end of the box body (24), a placing plate (26) is fixedly arranged on the rotary table mechanism (25), and the probe (5) can be moved to the upper side of the placing plate (26) through the first moving platform (4).

6. The multi-spot spatial foreign matter detection device according to claim 5, characterized in that: the placing plate (26) is a non-metal plate, and a limiting frame (27) used for limiting the device to be detected is arranged on the placing plate (26).

7. The multi-spot spatial foreign matter detection device according to claim 5, characterized in that: a ground charging equipment placing layer is arranged above a placing plate (26) of the frame (1), and a simulated vehicle body metal plate placing layer (29) is arranged above the ground charging equipment placing layer.

8. The multi-spot spatial foreign matter detection device according to claim 5, characterized in that: the box body (24) is a transparent box body (24), and storage lattices are arranged in the box body (24); carousel mechanism (25) are including carousel seat (30) and rotatable carousel mounting panel (31) of setting in carousel seat (30), and the border of carousel mounting panel (31) is provided with arc scale (32), is provided with the arc wall on carousel mounting panel (31), is provided with pointer (33) on carousel seat (30) arc scale (32), and pointer (33) are worn out the top that is located arc scale (32) from the arc wall, places board (26) fixed mounting on carousel mounting panel (31).

9. The multi-spot spatial foreign matter detection device according to claim 1, characterized in that: be provided with elevating gear between carousel mechanism (25) and box (24), elevating gear includes drive screw (34), the one end of drive screw (34) passes through bevel gear seat (36) and drives lifting screw (35) and rotate, carousel mechanism (25) and lifting screw (35) threaded connection, carousel mechanism (25) pass through guiding shaft (39) and box (24) fixed connection, carousel mechanism (25) can carry out the up-and-down motion under lifting screw (35) pivoted drive, fixed scale (37) that are provided with vertical direction on carousel base (6), the upper cover of box (24) is provided with slot (38), scale (37) pass slot (38) and insert in box (24).

10. A method for verifying the foreign matter detection function of a product is characterized in that: the multi-spot space foreign matter detection apparatus according to any one of claims 1 to 9, wherein the verification method comprises:

1. fixing a ground end wireless charging device and a vehicle end wireless charging device, connecting the ground end wireless charging device, the vehicle end wireless charging device and a CAN communication line of the detection device, and turning on a product power supply;

2. fixing a metallic foreign body at an end of the probe (5);

3. opening test software, entering a foreign matter detection test interface, selecting a model to be tested in a product model drop-down box, inputting a software model, and clicking a start button after selecting a foreign matter type in a foreign matter selection drop-down box; the first moving platform (4) and the second moving platform (7) move the probe (5) to the original point position;

4. the control system controls the metal foreign bodies to move to a first test point, receives a foreign body signal, judges and records the foreign body signal; the metal foreign body moves to the next test and repeatedly receives signals and records; returning the metal foreign body to the original point after the last test point;

5. displaying the foreign matter existence record table on a computer display screen, and judging whether the function of the equipment needing to be verified is normal or not;

6. and exiting the software after the test is finished.