CN215449508U - Key detection device - Google Patents

Abstract

The application discloses button detection device, including examining test table, relocation mechanism, detection mechanism and controller. The detection table is used for placing the key structure; the detection mechanism is arranged on the detection table and used for bearing the keys; the floating mechanism comprises a base, a floating piece and a plurality of probes, the base is arranged on the detection platform, the floating piece can be arranged on the base in a floating mode and used for placing the flat cables, the floating piece is provided with an avoiding hole, and the probes are arranged in the avoiding hole and are communicated with the connector; the controller is electrically connected with the probe and the detection mechanism and used for controlling the detection mechanism to apply acting force on the key so as to acquire conduction information of the key and the connector and judge whether the key structure is normal or not according to the conduction information. The winding displacement in this application is placed and can be followed the floating member and float behind the floating member, can not take place to bend, and it is less to wear and tear after the repetitious usage, need not often change, and the probe contacts the connector and realizes switching on with the connector under the floating effect of floating member.

Description

Key detection device

Technical Field

The application relates to the technical field of detection, in particular to a key detection device.

Background

With the advancement of technology, electronic products, such as mobile phones, tablets, computers, and wearable smart devices, have become more powerful. Each electronic product has tiny keys, such as a volume key, a power-on key, and a mute key, connected through a flat cable, which require multiple functional checks before being installed on the electronic product.

At present, a flat cable is directly inserted into a detection device through a socket during detection, and after a key is pressed or stirred, whether the key is abnormal in function is judged according to response conditions. However, in the above detection method, the flat cable may be bent and easily damaged, and the socket may be worn seriously after being used for many times, and the socket needs to be replaced periodically.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a key detection device to solve the above problems.

An embodiment of the present application provides a key detection device for detect a key structure, the key structure includes a key, a connector, and a connection the key with a flat cable of the connector, when being pressed, the key can be conducted with the connector, including:

the detection table is used for placing the key structure;

the detection mechanism is arranged on the detection table, is connected with the key and is used for applying force to the key;

the floating mechanism comprises a base, a floating piece and a plurality of probes, the base is arranged on the detection platform, the floating piece can be arranged on the base in a floating mode and used for placing flat cables, the floating piece is provided with an avoiding hole, the probes are arranged on the base and located in the avoiding hole, and the probes are conducted with the connector under the floating action of the floating piece; and

the controller is electrically connected with the probe and the detection mechanism and used for controlling the detection mechanism to apply acting force on the key so as to acquire conduction information of the key and the connector and judge whether the key structure is normal or not according to the conduction information.

In some embodiments, the key comprises a second structure, the detection mechanism comprising:

the second detection assembly comprises a second detection piece, a first pressing piece and at least one second detection driving piece, the second detection piece is rotatably arranged in the detection table and used for bearing the second structure, the first pressing piece is used for pressing the second structure, and at least one second detection driving piece is arranged on the side edge of the second detection piece and used for driving the second detection piece to rotate so as to stir the second detection piece.

In some embodiments, the second detection assembly further comprises:

three magnet, one of them magnet is located in the second detects in the piece, two other magnet is located detect in the platform, and be located in the second detects in the relative both sides of magnet, so that the second detects the piece and auto-recovery to initial position after detecting.

In some embodiments, the second detection mechanism further comprises:

the elastic supporting assembly comprises a fixed plate and an elastic piece, the fixed plate is rotatably arranged in the detection platform, the second detection piece penetrates through the fixed plate, the elastic piece is located below the fixed plate, one end of the elastic piece is abutted to the detection platform, and the other end of the elastic piece is abutted to the fixed plate.

In some embodiments, the second detection mechanism further comprises:

the first guide piece is arranged on the detection table, and at least part of the first guide piece extends into the fixed plate to guide the movement of the fixed plate in the vertical direction.

In some embodiments, the second structure is a concave structure, and the second detecting member has a bearing portion, which has a shape similar to that of the second structure, and is configured to support and accommodate the second structure.

In some embodiments, the key comprises a first structure, the detection mechanism comprising:

the first detection assembly comprises a first detection piece and a first detection driving piece, and the first detection driving piece is connected with the first detection piece and used for driving the first detection piece to move towards the first structure and press the first structure.

In some embodiments, the float mechanism further comprises:

the probe board is arranged on the base and provided with an accommodating groove, and a plurality of probes are arranged in the accommodating groove;

the second guide piece is arranged on the probe board and extends into the floating piece so as to guide the movement of the floating piece in the vertical direction.

In some embodiments, the float mechanism further comprises:

the limiting part is arranged on the probe board and sleeved outside the floating part to prevent the floating part from shaking when moving.

In some embodiments, the float mechanism further comprises:

the second pressing piece is arranged on one side of the floating piece and used for pressing the floating piece.

The button detection device is used for placing the flat cable through the floating piece and realizing the conduction of the probe and the connector under the floating action of the floating piece, so that the controller controls the detection mechanism to apply acting force on the button, obtains the conduction information of the button and the connector and judges whether the button structure is normal or not according to the conduction information. Because the floating part is unsteady from top to bottom, the winding displacement is placed and can be followed the floating part and float behind the floating part, can not take place to bend, and life is longer, and the probe contacts the connector and realizes switching on with the connector under the floating effect of floating part, and for the connected mode of direct cartridge, the probe of this kind of mode is worn and torn lessly after repetitious usage, does not need often to change, and use cost is lower.

Drawings

Fig. 1 is a schematic perspective view of a key detection device according to an embodiment of the present application.

Fig. 2 is an exploded schematic view of a key detection device according to an embodiment of the present application.

Fig. 3 is a perspective view of the floating mechanism in fig. 2.

Fig. 4 is a perspective view of the detection mechanism in fig. 2.

Fig. 5 is a sectional structural view of the three magnets in fig. 2.

Fig. 6 is a schematic diagram of a detection flow of the second structure in fig. 2.

Description of the main elements

Key detecting device 100

Key structure 200

Key 210

First structure 212

Second structure 214

Connector 220

Flat cable 230

Test table 10

Housing 12

Carrier plate 14

Cover plate 16

Detection mechanism 20

First detection assembly 22

First detecting member 222

First detection driving member 224

Second sensing assembly 24

Second detecting member 241

Crossbar 2412

Vertical rod 2414

Bearing part 2416

First press-fit member 242

Second detection driving member 243

Magnet 244

Resilient support assembly 245

Fixing plate 2452

Elastic member 2454

Connecting rod 2456

First guide 246

Floating mechanism 30

Base 31

Float member 32

Dodging hole 322

Notch 324

Probe 33

Probe card 34

Second guide 35

Position limiter 36

Receiving cavity 362

Second press-fitting member 37

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1 and fig. 2, an embodiment of the present application provides a key detection apparatus 100 for detecting a key structure 200. The key structure 200 includes a key 210, a connector 220, and a flat cable 230 connecting the key 210 and the connector 220, wherein the key 210 is provided with a conductive structure, such as a metal dome, and the conductive structure is electrically connected to the flat cable 230 when the key 210 is pressed, so as to achieve the conduction between the conductive structure and the connector 220, wherein the key 210 may be a volume key structure, a mute key structure, or a power-on key structure. In the embodiment, the key 210 includes two first structures 212 and one second structure 214, the first structure 212 is a power-on key structure, and the second structure 214 is a mute key structure. That is, in the present embodiment, the first structure 212 has a circular structure, and the second structure 214 has a concave structure.

The key detecting device 100 includes a detecting table 10, a detecting mechanism 20, a floating mechanism 30, and a controller (not shown). The test station 10 is used to place the key structure 200. The detecting mechanism 20 is disposed on the detecting table 10, and connected to the button 210 for applying a force to the button 210. Referring to fig. 3, the floating mechanism 30 includes a base 31, a floating member 32 and a plurality of probes 33, the base 31 is disposed on the testing platform 10, the floating member 32 is floatably disposed on the base 31 for placing the flat cable 230, the floating member 32 has an avoiding hole 322, the plurality of probes 33 are disposed on the base 31 and located in the avoiding hole 322, and the probes 33 are electrically contacted with the connector 220 under the floating action of the floating member 32 to achieve conduction. The controller is electrically connected to the probe 33 and the detecting mechanism 20, and is configured to control the detecting mechanism 20 to apply a force, such as pressing or toggling, to the key 210, so as to obtain the conduction information between the key 210 and the connector 220, and determine whether the key structure 200 is normal according to the conduction information. In this embodiment, the controller may be an electric cabinet, an industrial personal computer, a computer, or a microcomputer, but is not limited thereto.

The detection platform 10 is substantially rectangular, the detection platform 10 includes a housing 12, a bearing plate 14 disposed on the housing 12, and a cover plate 16, the floating mechanism 30 and the detection mechanism 20 are both disposed on the bearing plate 14, and the cover plate 16 is rotatably disposed on one side of the bearing plate 14 through a hinge and is used for covering the detection platform 10 during detection or idling. It can be understood that the detection table 10 is further provided with a handle, a switch button, a display panel, and the like, which are not described in detail in this embodiment.

Referring to fig. 4, the detection mechanism 20 includes a first detection assembly 22 and a second detection assembly 24.

There are two first sensing assemblies 22 and, correspondingly, two first structures 212. Each first detecting assembly 22 includes a first detecting element 222 and a first detecting driving element 224, the first detecting driving element 224 is connected to the first detecting element 222, and is configured to drive the first detecting element 222 to move toward the first structure 212 and press the first structure 212, when the first detecting element 222 presses the first structure 212, the controller obtains the conduction information between the key 210 and the connector 220, and determines whether the key structure 200 is normal according to the conduction information, a display lamp (not shown) is disposed in a circuit of the controller and the connector 220, and whether the first structure 212 is conducted according to a change of the display lamp, and it can be understood that in other embodiments, other electronic components may be disposed in the circuit of the controller and the connector 220 to obtain the conduction information, such as a speaker. In this embodiment, the first detecting member 222 is a flexible press block, and the first detecting driving member 224 is an air cylinder.

The second detecting assembly 24 includes a second detecting member 241, a first pressing member 242 and two second detecting driving members 243. The second detecting member 241 is rotatably disposed in the detecting table 10, the second detecting member 241 includes a cross rod 2412 and a vertical rod 2414, the vertical rod 2414 is disposed above the cross rod 2412 and vertically connected to the middle portion of the cross rod 2412, one end of the vertical rod 2414 away from the cross rod 2412 has a bearing portion 2416, the bearing portion 2416 is two convex blocks disposed at an interval, the bearing portion 2416 is similar to the second structure 214 in shape and is used for bearing and accommodating the second structure 214. In this embodiment, the edges of the two bumps are provided as arc-shaped surfaces. The first pressing member 242 is substantially a block-shaped structure, and the first pressing member 242 is disposed on the cover plate 16 and is used for pressing the second structure 214 after the cover plate 16 is pressed on the loading plate 14, so that the second structure 214 is pressed on the loading portion 2416. The two second detecting driving members 243 are respectively disposed on two opposite sides of the second detecting member 241, and are configured to drive the second detecting member 241 to rotate in opposite directions, so as to toggle the second detecting member 241 to rotate clockwise or counterclockwise, and toggle the second structure 214 to move left or right, a display lamp is disposed on a circuit of the controller and the connector 220, and whether the second structure 214 is turned on or not can be determined according to a change of the display lamp. In the present embodiment, the second detection driver 243 is a cylinder.

The second sensing assembly 24 further includes three magnets 244, a resilient support assembly 245, and a first guide 246.

One magnet 244 of the three magnets 244 is embedded in the second detecting member 241, and the other two magnets 244 (shown in fig. 5) are disposed in the detecting table 10 and located at opposite sides of the magnet 244 in the second detecting member 241, so that the second detecting member 241 can be always kept at the middle position after the detection is completed by the principle that the magnets repel each other at the same level.

The elastic supporting assembly 245 includes a fixing plate 2452 and an elastic member 2454, the fixing plate 2452 is substantially rectangular, the fixing plate 2452 is rotatably disposed in the detecting table 10, and the vertical rod 2414 of the second detecting member 241 is inserted into the fixing plate 2452 and connected to the fixing plate 2452 through a connecting rod 2456. The direction of the connecting rod 2456 is perpendicular to the rotation direction of the second detecting member 241, so that the second detecting member 241 can rotate around the connecting rod 2456 by a small amount to shift the second structure 214, in this embodiment, the connecting rod 2456 is a rotating pin. The elastic member 2454 is located below the fixing plate 2452, one end of the elastic member 2454 abuts against the detection table 10, and the other end abuts against the fixing plate 2452. Specifically, the elastic member 2454 includes a bolt and a spring, one end of the bolt is connected to the fixing plate 2452, the spring is sleeved on a screw of the bolt, one end of the spring abuts against a head of the bolt, and the other end abuts against the fixing plate 2452. It will be appreciated that in other embodiments, the bolts may be omitted.

The first guiding member 246 is disposed on the testing table 10, and at least a portion of the first guiding member 246 extends into the fixing plate 2452 to guide the movement of the fixing plate 2452 in the vertical direction. In this embodiment, the first guide 246 is a guide pin.

The base 31 is provided with a conductive wire connected to the plurality of probes 33, and the conductive wire is electrically connected to the controller, thereby realizing conduction between the probes 33 and the controller. It is understood that the conductive wire can be disposed on the surface of the base 31 or embedded inside the base 31. The float member 32 is generally rectangular parallelepiped in shape. The surface of the float member 32 facing away from the base 31 is provided with a notch 324 communicating with the relief hole 322, and a portion of the flat cable 230 is disposed at the notch 324. In this embodiment, a spring is disposed between the floating member 32 and the base 31, and a part of the spring is embedded in the floating member 32, so as to ensure that the floating member 32 floats in the vertical direction, each probe 33 is made of a metal material, and the plurality of probes 33 are in contact with the connector 220 to achieve conduction.

The floating mechanism 30 further includes a probe card 34, two second guiding members 35, a limiting member 36 and a second pressing member 37.

Probe card 34 is generally square. The probe card 34 is detachably connected to the base 31 by bolts, the probe card 34 has a receiving groove with a rectangular cross section, and the plurality of probes 33 are arranged in the receiving groove in an array.

The two second guiding members 35 are disposed on the probe board 34 and located at two opposite sides of the receiving slot, and the second guiding members 35 are disposed in the floating member 32 in a penetrating manner to guide the movement of the floating member 32 in the vertical direction. In the present embodiment, the second guide 35 is a guide pin.

The limiting member 36 is substantially rectangular parallelepiped, the limiting member 36 is detachably connected to the probe card 34 by a bolt, the limiting member 36 has a receiving cavity 362, the size of the receiving cavity 362 is larger than that of the floating member 32, so that the limiting member 36 can be sleeved outside the floating member 32, a receiving hole communicated with the receiving cavity 362 is further provided on the top surface of the limiting member 36, the shape of the receiving hole is adapted to the shape of the floating member 32 to prevent the floating member 32 from shaking during movement, and the top surface of the limiting member 36 is flush with the carrier plate 14.

A second press-on member 37 is provided on one side of the float member 32, in particular, the second press-on member 37 is provided on the cover plate 16 for press-on of the float member 32. In the present embodiment, the second pressing member 37 is a pressing piece, and it is understood that in other embodiments, the second pressing member 37 may also be a pressing piece or a pressing strip. Of course, the second press 37 can also be a cylinder.

When the flat cable 230 of the key structure 200 is placed on the floating member 32, the connector 220 is located above the probe 33, and then the cover plate 16 is covered on the carrier plate 14, and the second pressing member 37 is directly pressed on the connector 220, so as to achieve the conduction between the connector 220 and the probe 33.

It is understood that in other embodiments, the floating mechanism 30 may further include an air cylinder connected to the second pressing member 37 for driving the second pressing member 37 to move after the cover plate 16 is covered on the bearing plate 14, so that the second pressing member 37 is pressed on the floating member 32, further ensuring the connection stability of the connector 220 and the probe 33.

The implementation process of the application is as follows: firstly, the key structure 200 is placed on the bearing plate 14 of the inspection table 10, wherein the bearing plate 14 bears the first structure 212, the bearing part 2416 of the second inspection piece 241 bears the second structure 214, and the flat cable 230 is partially placed at the notch 324; then, the cover plate 16 is covered on the carrier plate 14, at this time, the first pressing piece 242 presses the second structure 214, so that the second structure 214 is pressed on the carrier portion 2416, and the second pressing piece 37 is pressed on the connector 220, thereby realizing conduction between the connector 220 and the probe 33; then, the first detection driving member 224 is controlled to drive the first detection member 222 to move towards the first structure 212 and press the first structure 212, the controller obtains the conduction information of the first structure 212 and the connector 220, and judges whether the key structure 200 is normal or not according to the conduction information; next, referring to fig. 6, the upper diagram is an initial position diagram of the supporting portion 2416 and the second structure 214, at this time, the supporting portion 2416 abuts against and accommodates the second structure 214, and the interval between the two bumps corresponds to the second structure 214; then, a second detecting driving member 243 drives the second detecting member 241 to move rightward (fig. 6 shows on the right side), so as to drive the second structure 214 in the supporting portion 2416 to move rightward to shift the second structure 214 rightward; then, the other second detecting driving element 243 drives the second detecting element 241 to move leftward (shown in the left side of fig. 6), so as to drive the second structure 214 in the supporting portion 2416 to move leftward to shift the second structure 214 leftward; finally, the second detecting driving element 243 drives the second detecting element 241 to move rightward, so that the supporting portion 2416 returns to the initial position, and during the process of moving the second detecting element 241 leftward and rightward, the conducting information between the second structure 214 and the connector 220 can be respectively obtained, and whether the key structure 200 is normal or not can be determined according to the conducting information.

The button detection apparatus 100 described above places the flat cable 230 through the floating member 32, and the probe 33 is conducted with the connector 220 under the floating action of the floating member 32, so that the controller controls the detection mechanism 20 to apply an acting force to the button 210, obtain the conduction information of the button 210 and the connector 220, and judge whether the button structure 200 is normal according to the conduction information. Because the floating piece 32 can float up and down, the flat cable 230 can float along with the floating piece 32 after being placed on the floating piece 32, bending cannot occur, the service life is long, the probe 33 contacts the connector 220 under the floating action of the floating piece 32 and is conducted with the connector 220, and compared with a direct plug-in connection mode, the probe 33 in the mode is less worn after being used for multiple times, frequent replacement is not needed, and the use cost is low.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims (10)

1. The utility model provides a button detection device for detect button structure, button structure includes button, connector and connects the button with the winding displacement of connector, the button can switch on with the connector when being exerted pressure, its characterized in that, button detection device includes:

the detection table is used for placing the key structure;

the detection mechanism is arranged on the detection table, is connected with the key and is used for applying force to the key;

the floating mechanism comprises a base, a floating piece and a plurality of probes, the base is arranged on the detection platform, the floating piece can be arranged on the base in a floating mode and used for placing flat cables, the floating piece is provided with an avoiding hole, the probes are arranged on the base and located in the avoiding hole, and the probes are conducted with the connector under the floating action of the floating piece; and

the controller is electrically connected with the probe and the detection mechanism and used for controlling the detection mechanism to apply acting force on the key so as to acquire conduction information of the key and the connector and judge whether the key structure is normal or not according to the conduction information.

2. The key detection device of claim 1, wherein the key includes a second structure, the detection mechanism comprising:

the second detection assembly comprises a second detection piece, a first pressing piece and at least one second detection driving piece, the second detection piece is rotatably arranged in the detection table and used for bearing the second structure, the first pressing piece is used for pressing the second structure, at least one second detection driving piece is arranged on the side edge of the second detection piece and used for driving the second detection piece to rotate so as to stir the second detection piece.

3. The key detection apparatus of claim 2, wherein the second detection component further comprises:

and one of the three magnets is arranged in the second detection piece, and the other two magnets are arranged in the detection table and are positioned on two opposite sides of the magnet in the second detection piece.

4. The key detection device of claim 2, wherein the second detection mechanism further comprises:

the elastic supporting assembly comprises a fixed plate and an elastic piece, the fixed plate is rotatably arranged in the detection platform, the second detection piece penetrates through the fixed plate, the elastic piece is located below the fixed plate, one end of the elastic piece is abutted to the detection platform, and the other end of the elastic piece is abutted to the fixed plate.

5. The key detection device of claim 4, wherein the second detection mechanism further comprises:

the first guide piece is arranged on the detection table, and at least part of the first guide piece extends into the fixed plate to guide the movement of the fixed plate in the vertical direction.

6. The apparatus according to claim 2, wherein the second structure is a concave structure, and the second detecting member has a carrying portion, the carrying portion has a shape similar to the second structure, and is configured to support and accommodate the second structure.

7. The key detection device of any one of claims 2-6, wherein the key includes a first structure, the detection mechanism comprising:

the first detection assembly comprises a first detection piece and a first detection driving piece, and the first detection driving piece is connected with the first detection piece and used for driving the first detection piece to move towards the first structure and press the first structure.

8. The key detection device of claim 1, wherein the float mechanism further comprises:

the probe board is arranged on the base and provided with an accommodating groove, and a plurality of probes are arranged in the accommodating groove;

the second guide piece is arranged on the probe board and extends into the floating piece so as to guide the movement of the floating piece in the vertical direction.

9. The key detection device of claim 8, wherein the float mechanism further comprises:

the limiting piece is arranged on the probe board and sleeved outside the floating piece to prevent the floating piece from shaking when moving.

10. The key detection device of claim 1, wherein the float mechanism further comprises:

the second pressing piece is arranged on one side of the floating piece and used for pressing the floating piece.

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