CN222379736U

CN222379736U - TOF sensor testing arrangement

Info

Publication number: CN222379736U
Application number: CN202323532520.0U
Authority: CN
Inventors: 熊维强; 姚浩东; 黄伟文
Original assignee: Optical Micro Information Technology Hefei Co ltd
Current assignee: Optical Micro Information Technology Hefei Co ltd
Priority date: 2023-12-22
Filing date: 2023-12-22
Publication date: 2025-01-21
Anticipated expiration: 2033-12-22

Abstract

The utility model provides a TOF sensor testing device which is used for testing the performance of a TOF sensor and comprises a base fixing table, a sliding component and a probe PCB, wherein the TOF sensor is fixed on the base fixing table and comprises a connecting arm, extension arms, grooves and support plates, the extension arms extend from two ends of the connecting arm to the vertical direction, the connecting arm and the extension arms are connected to form a containing space, the support plates are arranged in the middle of the inner side of the base fixing table to separate the containing space into an upper side and a lower side, the grooves are arranged on the upper side of the containing space in a surrounding mode, the bottom surfaces of the grooves are flush with the top surface of the support plates, the sliding component is arranged on the upper side of the base fixing table in a sliding mode and used for locking the TOF sensor on the support plates of the base fixing table, and the probe PCB is arranged on the lower side of the base fixing table and used for connecting the TOF sensor and a peripheral testing circuit. The technical scheme of the utility model effectively solves the problems of high cost, complex operation and low efficiency of the traditional test clamp, is flexible to assemble and improves the usability of products.

Description

TOF sensor testing arrangement

Technical Field

The application relates to the field of TOF sensor testing, in particular to a TOF sensor testing device.

Background

According to the performance test of the TOF sensor in the prior art, the TOF sensor and a PCB test circuit are required to be welded, and then the TOF sensor is fixed on test equipment through fixing pieces such as a clamp. When another TOF sensor needs to be replaced, the current clamp is detached firstly, then the welding is detached, and the previous welding and clamping steps are repeated, so that the new TOF sensor can be tested. The method makes the testing process complex and tedious, has low efficiency, and the repeated welding can cause damage to the TOF sensor or the PCB board, thereby causing potential loss to enterprises. If a large number of TOF sensors are to be tested, a significant amount of time and cost will be wasted.

Disclosure of utility model

The utility model aims to at least solve the technical problems that the working efficiency is low and the TOF sensor is easy to damage due to the complex process of detecting the TOF sensor in the prior art. Therefore, the utility model provides the TOF sensor testing device which can realize practical application value.

The TOF sensor testing device comprises a base fixing table, a TOF sensor, a probe PCB and a sliding component, wherein the TOF sensor is fixed on the base fixing table, the TOF sensor comprises a connecting arm, extension arms, grooves and support plates, the extension arms extend from two ends of the connecting arm to the vertical direction, the connecting arm and the extension arms are connected to form a containing space, the support plates are arranged in the middle of the inner side of the base fixing table to separate the containing space into an upper side and a lower side, the grooves are arranged on the upper side of the containing space in a surrounding mode, the bottom surfaces of the grooves are flush with the top surfaces of the support plates, the sliding component is arranged on the upper side of the base fixing table in a sliding mode and used for locking the TOF sensor on the support plates of the base fixing table, and the probe PCB is arranged on the lower side of the base fixing table and used for connecting the TOF sensor and a peripheral testing circuit.

Preferably, the base fixing table further comprises a limiting part arranged at one end of the extension arm far away from the connecting arm so as to limit the sliding component to slide out of the groove, the sliding component is arranged in the groove in a matching mode, and when the sliding component slides to the limiting part, the sliding component locks the TOF sensor on the supporting plate.

The sliding component is matched with the groove shape of the base fixing table, and comprises a first connecting piece and a second connecting piece which is arranged at two ends of the first connecting piece and extends out in the vertical direction, an inserting part is arranged at one side of the bottom of the second connecting piece, sliding guide rails are arranged at the inserting part corresponding to the first sliding rail and the second sliding rail, and the inserting part stretches into the sliding space to enable the sliding guide rails to move along the groove to drive the sliding component to slide in the sliding space.

Preferably, the sliding assembly further comprises an elastic piece and a locking piece, the locking piece is arranged on the first connecting piece of the sliding assembly, and the sliding assembly is in butt joint with the inner side of the connecting arm through the elastic piece.

The locking piece comprises a pin and a handle ring connected with the pin, an inserting hole is formed in the position, close to the connecting arm, of the groove, one end of the pin penetrates through the first connecting piece to be inserted into the inserting hole, the other end of the pin is connected with the handle ring, when the TOF sensor needs to be locked and fixed, the handle ring is lifted to enable the pin to be separated from the inserting hole, the sliding component slides to the limiting portion along the first sliding rail under the pushing action of the elastic piece, and when the TOF sensor needs to be loosened, the sliding component is pushed to the position close to the connecting arm and is inserted into the inserting hole through the pin to be locked.

Preferably, the elastic piece is a spring, the first connecting piece and the connecting arm of the base fixing table are respectively provided with a fixing hole corresponding to the spring, and two ends of the spring extend into the fixing holes.

Preferably, the cover plate is arranged to match the shape of the base fixing table, and is fixed on the top of the base fixing table by screws.

Preferably, the probe PCB is fixed on the lower side of the base fixing table through screws.

Preferably, the bottom of the base fixing table is also provided with a foot pad.

Preferably, the support plate is provided with a positioning hole, and the TOF sensor is inserted into the positioning hole through a pin to be positioned on the support plate.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an exploded view of a TOF sensor testing apparatus in the present embodiment;

FIG. 2 is an exploded view of another angle of the TOF sensor testing device in this embodiment;

FIG. 3 is a schematic structural diagram of the TOF sensor testing device of FIG. 1;

FIG. 4 is a schematic illustration of the slide assembly of FIG. 1 unclamping a TOF sensor;

fig. 5 is a schematic diagram of the slide assembly locking TOF sensor of fig. 1.

Reference numerals indicate that the base fixing table 10 is connected with the arm 11, the extension arm 12, the groove 13, the support plate 14, the limit part 15, the cover plate 16, the first slide rail 17, the second slide rail 18, the slide assembly 20, the first connecting piece 21, the second connecting piece 22, the insertion part 23, the slide rail 24, the elastic piece 26, the pin 261, the pull ring 262 and the probe PCB 30 and the foot pad 40.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 2, the application provides a TOF sensor testing apparatus for testing the performance of a TOF sensor, which includes a base fixing table 10, a sliding assembly 20, and a probe PCB 30.

The base fixing table 10, the TOF sensor is fixed on the base fixing table 10, and comprises a connecting arm 11, an extension arm 12 extending from two ends of the connecting arm 11 to the vertical direction, a groove 13 and a supporting plate 14, wherein the connecting arm 11 and the extension arm 12 are connected to form a containing space, the supporting plate 14 is arranged in the middle of the inner side of the base fixing table 10 to separate the containing space into an upper side and a lower side, the groove 13 is arranged on the upper side of the containing space around the supporting plate 14, and the bottom surface of the groove 13 is level with the top surface of the supporting plate 14. A sliding assembly 20 slidably disposed on the upper side of the base fixing table 10 for locking the TOF sensor on the support plate 14 of the base fixing table 10. The probe PCB board 30 is disposed at the lower side of the base fixing table 10, and is used for connecting the TOF sensor and the peripheral test circuit.

In this embodiment, the base fixing table 10 further includes a limiting portion 15 disposed at an end of the extension arm 12 away from the connection arm 11 to limit the sliding assembly 20 from sliding out of the groove 13, wherein the sliding assembly 20 is disposed in the groove 13 in a shape matching with the shape of the groove 13, and when the sliding assembly 20 slides to the limiting portion 15, the sliding assembly 20 locks the TOF sensor on the support plate 14.

In this embodiment, the support plate 14 is provided with a positioning hole, and the TOF sensor is positioned on the support plate 14 by inserting a pin into the positioning hole.

In this embodiment, a first sliding rail 17 is disposed in the groove 13 along the direction of the extension arm 12, the base fixing table 10 further includes a cover plate 16, the cover plate 16 is provided with a second sliding rail 18 corresponding to the first sliding rail 17, and the cover plate 16 is disposed on the top surface of the base fixing table 10 and forms a sliding space with the groove 13. Wherein the cover plate 16 is fixed to the base fixing table 10 by screws (not shown).

In this embodiment, the sliding assembly 20 is configured to match the shape of the recess 13 of the base fixing table 10, and includes a first connecting member 21 and a second connecting member 22 extending in a vertical direction at two ends of the first connecting member 21. The bottom side of the second connecting piece 22 is provided with an inserting part 23, the inserting part 23 is provided with a sliding guide rail 24 corresponding to the first sliding rail 17 and the second sliding rail 18, and the inserting part 23 stretches into the sliding space so that the sliding guide rail 24 moves along the groove to drive the sliding assembly 20 to slide in the sliding space.

In this embodiment, the sliding assembly 20 further includes an elastic member 25 and a locking member 26, the locking member 26 is disposed on the first connecting member 21 of the sliding assembly 20, and the first connecting member 21 of the sliding assembly 20 abuts against the inner side of the connecting arm 11 through the elastic member 25.

The locking member 26 includes a pin 261 and a handle ring 262 coupled to the pin 261, an insertion hole is formed in a position of the groove 13 near the coupling arm 11, one end of the pin 261 is inserted into the insertion hole through the first coupling member 21, and the other end of the pin 261 is coupled to the handle ring 262. When the TOF sensor needs to be locked and fixed, the pull ring 262 is lifted to enable the pin 261 to be separated from the insertion hole, the sliding component 20 slides to the limiting portion 15 along the first sliding rail 17 under the pushing action of the elastic piece 25, and when the TOF sensor needs to be loosened, the sliding component 20 is pushed to be close to the connecting arm 11, and the pin 261 is inserted into the insertion hole to lock the sliding component 20.

The elastic member 25 is a spring, and the first connecting member 21 and the connecting arm 11 of the base fixing table 10 are provided with fixing holes (not labeled) corresponding to the spring, and two ends of the spring extend into the fixing holes.

The cover plate 16 is provided to match the shape of the base fixing table 10, and is fixed to the top of the base fixing table 10 by screws (not shown).

The probe PCB 30 is fixed to the underside of the base fixing table 10 by screws. In this embodiment, the probe PCB 30 includes a PCB and PIN PINs. Because the wiring and the soldering of the probes are well performed on the probe PCB, the wire arrangement seat is arranged on the probe PCB, the probe PCB 30 is fixed on the base fixing table 10 by four screws, and the probes are elastically contacted with the PCB on the TOF sensor.

The bottom of the base fixing table 10 is also provided with a foot pad 40. In this embodiment, the base of the base fixing table 10 is attached with an anti-slip foot pad.

The working principle of the present application will be described with reference to fig. 1 to 5.

After the test device is assembled, the slide assembly 20 is slid to a position close to the connection arm 11, the pull ring 262 is pressed down, the pin 261 is inserted into the insertion hole, and the TOF sensor is mounted on the support plate 14 and connected with the probe PCB 30.

After the TOF sensor is installed, the bracelet 262 is pulled upwards, the pin 261 is withdrawn from the insertion hole, the sliding component 20 is pushed by the elastic force of the spring 25, the sliding component 20 moves through the first sliding rail 17 and the second sliding rail 18 and is gradually changed from loose to tight, and the sliding component 20 and the probe PCB 30 compress the TOF sensor.

After the TOF sensor is assembled, the functions of burning, testing, calibrating, ranging and the like can be performed through the probes of the probe PCB 30.

Because the sliding component 20 is provided with the upper sliding groove and the lower sliding groove and the limiting part, the sliding component can slide without too large force, and is convenient and labor-saving. The probes on the probe PCB 30 can be connected with the outside through the flat cable for testing, thus forming a small, convenient and easy-to-use module test board. The multifunctional test board for the TOF sensor utilizes the characteristics of the small module, the probe and the sliding component are combined, the functions of module burning, calibration, testing, distance measurement and the like can be performed without welding, the installation is simple and convenient, the risk caused by repeated welding is reduced, and a lot of precious time and cost are saved for mass production.

The technical scheme of the application has the following technical effects:

1. This scheme accomplishes functions such as this series of burns record calibration range finding through simple and easy testboard device, need not the weld line, and the installation is simple convenient moreover, and the cost is lower, and equipment is simple, and a spy has broken, can take off to trade, installs and removes all very conveniently.

2. The utility model effectively solves the problems of high cost, complex operation and low efficiency of the traditional test clamp, is flexible to assemble and improves the usability of the product.

3. The structure design can be prolonged to a plurality of products, can completely meet the requirements of research and development and production, has a simple structure, is convenient to install, effectively reduces the cost of die sinking and assembly labor, and greatly improves the production efficiency.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A TOF sensor testing apparatus for testing TOF sensor performance, comprising:

The TOF sensor is fixed on the base fixing table and comprises a connecting arm, extension arms, a groove and a supporting plate, wherein the extension arms extend to the vertical direction from two ends of the connecting arm, the connecting arm and the extension arms are connected to form a containing space, the supporting plate is arranged in the middle of the inner side of the base fixing table so as to separate the containing space into an upper side and a lower side, the groove is arranged on the upper side of the containing space around the supporting plate, and the bottom surface of the groove is flush with the top surface of the supporting plate;

The sliding component is arranged on the upper side of the base fixing table in a sliding manner and used for locking the TOF sensor on a supporting plate of the base fixing table;

The probe PCB is arranged on the lower side of the base fixing table and is used for connecting the TOF sensor and the peripheral test circuit.

2. The TOF sensor testing device of claim 1, wherein the base mount further comprises a stop portion disposed at an end of the extension arm remote from the connection arm to limit the sliding assembly from sliding out of the recess, the sliding assembly being configured to match a shape of the recess and slide within the recess, the sliding assembly locking the TOF sensor on the support plate when the sliding assembly slides to the stop portion.

3. The TOF sensor testing device of claim 2, wherein a first sliding rail is disposed in the groove along the direction of the extension arm, the base fixing table further comprises a cover plate, a second sliding rail is disposed on the cover plate corresponding to the first sliding rail, and the cover plate is disposed on the top surface of the base fixing table and forms a sliding space with the groove;

The sliding assembly is matched with the groove shape of the base fixing table, the sliding assembly comprises a first connecting piece and a second connecting piece which is arranged at two ends of the first connecting piece and extends out along the vertical direction, an inserting portion is arranged on one side of the bottom of the second connecting piece, a sliding guide rail is arranged on the inserting portion corresponding to the first sliding rail and the second sliding rail, and the inserting portion stretches into the sliding space so that the sliding guide rail moves along the groove to drive the sliding assembly to slide in the sliding space.

4. The TOF sensor testing apparatus of claim 3, wherein the slide assembly further comprises an elastic member and a locking member, the locking member being disposed on the first connecting member of the slide assembly, the slide assembly being in abutment with an inner side of the connecting arm via the elastic member.

5. The TOF sensor testing apparatus according to claim 4, wherein the locking member comprises a pin and a handle ring connected to the pin, an insertion hole is formed in a position, close to the connecting arm, of the groove, one end of the pin passes through the first connecting member and is inserted into the insertion hole, and the other end of the pin is connected to the handle ring;

When the TOF sensor needs to be locked and fixed, the handle ring is lifted to enable the pin to be separated from the insertion hole, the sliding component slides to the limiting part along the first sliding rail under the pushing action of the elastic piece, and when the TOF sensor needs to be loosened, the sliding component is pushed to be close to the connecting arm, and the pin is inserted into the insertion hole to lock the sliding component.

6. The TOF sensor testing device of claim 5, wherein the elastic element is a spring, the first connecting element and the connecting arm of the base fixing table are respectively provided with a fixing hole corresponding to the spring, and two ends of the spring extend into the fixing holes.

7. The TOF sensor testing device of claim 3, wherein the cover plate is arranged to match the shape of the base fixture, which is fixed to the top of the base fixture by screws.

8. The TOF sensor testing apparatus of claim 1, wherein the probe PCB is secured to the underside of the base fixture by screws.

9. The TOF sensor testing device of claim 1, wherein the bottom of the base fixture further comprises a foot pad.

10. The TOF sensor testing device of claim 1, wherein the support plate is provided with a locating hole, and the TOF sensor is located on the support plate by inserting a pin into the locating hole.