CN218298977U - Dynamics detects module and electronic product - Google Patents

Abstract

This article discloses a strength detection module and electronic products. The strength detection module includes a display component, a sensing component, a mounting bracket and an elastic connector, the mounting bracket is arranged on the back of the display component, and is connected to the display component through the elastic connector, the sensor An assembly is clamped between the mounting bracket and the back of the display assembly and is configured to detect force information on the display assembly. The strength detection module can effectively detect the strength, and the detection results are accurate.

Description

A force detection module and electronic product

technical field

This application involves but is not limited to force detection technology, especially a force detection module and electronic products.

Background technique

On the existing electronic products (such as: the touch panel of the notebook computer), it is more and more inclined to adopt the touch panel module with force detection. In some innovative projects or products, the touchpad is replaced by an LCD screen, which also needs to have a force detection function. However, the LCD screen is usually connected to the subsequent components with double-sided tape. The double-sided tape is not elastic, and the LCD screen cannot be deformed after being touched. It is impossible to arrange a force detection device and perform force detection, which limits the functions of electronic products.

Utility model content

The embodiments of the present application provide a strength detection module and electronic products, which can effectively detect strength and have accurate detection results.

The embodiment of the present application provides a strength detection module, the strength detection module includes a display component, a sensing component, a mounting bracket and an elastic connector, the mounting bracket is arranged on the back of the display component, and through the elastic The connecting piece is connected with the display assembly, the sensing assembly is clamped between the mounting bracket and the back of the display assembly, and is configured to detect force information on the display assembly.

Further, the elastic connecting member includes a fixing frame and a first elastic member, one end of the first elastic member is fixedly connected to the display assembly, and the other end is fixedly connected to the fixing frame, and the mounting bracket is fixed to the fixed frame.

Further, a mounting boss is provided on the side of the fixing frame away from the display assembly, wherein:

The mounting boss is provided with a first connecting hole, the end of the mounting bracket is provided with a second connecting hole, and the hot-melt fastener passes through the second connecting hole and the first connecting hole to The mounting bracket is fixed on the fixing frame; or, the mounting bracket is fixed on the fixing frame by gluing.

Further, the display assembly includes a connected display screen and a cover plate, the edge of the cover plate protrudes from the edge of the display screen;

The elastic connector is ring-shaped and connected to the edge of the cover protruding from the display screen, both ends of the mounting bracket are connected to the elastic connector, and the sensing component is clamped on between the mounting bracket and the back of the display.

Further, the elastic connector is in the shape of a rectangular ring, and there are multiple mounting brackets arranged in sequence along the long sides of the rectangular ring. The sensing component is in the shape of a strip, and The long side of the shape extends, and the sensing assembly includes a plurality of sensors, and the plurality of sensors are respectively pressed against the back of the display assembly by a plurality of the mounting brackets in one-to-one correspondence.

Further, the sensor assembly also includes a circuit board and a reinforcing sheet, the circuit board and the reinforcing sheet are strip-shaped, and a plurality of the sensors are installed on the circuit board, and the circuit board and the The reinforcement sheet is fixed by gluing, and the reinforcement sheet and the display component are fixed by an adhesive layer.

Further, the adhesive layer is provided with an avoidance space at the position below the sensor.

Further, the bracket is provided with a mounting groove recessed toward a side away from the display component, the sensing component is mounted to the mounting groove, and the sensing component protrudes from the mounting groove and is in contact with the display component. The backside offset between the above displays;

The sensor assembly also includes a second elastic member, the second elastic member is disposed between the sensor and the bracket, and the second elastic member is in a compressed state.

The embodiment of the present application also provides an electronic product, the electronic product includes a housing and the aforementioned force detection module, and the elastic connector of the force detection module is connected to the housing.

Further, the fixing frame of the elastic connector is fixed to the housing by hot-melt fasteners, or the fixing frame of the elastic connector is fixed to the housing by gluing;

The housing is provided with an escape groove for avoiding the installation bracket of the force detection module, and there is a gap between the installation bracket and the housing.

Compared with some technologies, the present application has the following beneficial effects:

In the strength detection module provided by the embodiment of the present application, the mounting bracket and the display component are connected through elastic connectors, which solves the disadvantage that the existing LCD screen cannot be deformed and cannot perform force detection. After the display component is pressed by the user, the elastic The connecting piece can be deformed to a certain extent, and then the display component can move as a whole to compress the sensing component, and the sensing component can measure the pressing force. The strength detection module provided by the embodiment of the present application is convenient for overall assembly, without the need to separately assemble each component, which improves the assembly efficiency of the terminal product.

The electronic product provided by the embodiment of the present application has rich functions, accurate and reliable strength detection, and improves user experience.

Additional features and advantages of the application will be set forth in the ensuing description.

Description of drawings

The accompanying drawings are used to provide a further understanding of the technical solution of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the technical solution of the present application, and do not constitute a limitation to the technical solution of the present application.

Fig. 1 is a structural schematic diagram 1 of the strength detection module described in the embodiment of the present application;

Fig. 2 is a structural schematic diagram II of the force detection module described in the embodiment of the present application;

Fig. 3 is a structural schematic diagram 3 of the force detection module described in the embodiment of the present application;

Fig. 4 is a structural schematic diagram 4 of the strength detection module described in the embodiment of the present application;

Fig. 5 is a structural schematic diagram five of the force detection module described in the embodiment of the present application;

Fig. 6 is a schematic diagram of the structure at A in Fig. 5;

Fig. 7 is a schematic structural diagram six of the force detection module described in the embodiment of the present application;

Fig. 8 is a schematic diagram of the structure at B in Fig. 7;

Fig. 9 is a structural schematic diagram of the whole formed by the ends of the installation boss and the installation bracket and the avoidance groove according to the embodiment of the present application;

FIG. 10 is a structural schematic diagram VII of the strength detection module described in the embodiment of the present application;

FIG. 11 is a schematic diagram of an exploded structure of the sensing component described in the embodiment of the present application;

FIG. 12 is a second schematic diagram of the exploded structure of the sensor assembly described in the embodiment of the present application.

Graphical description:

1-display component, 11-display screen, 12-cover plate, 2-sensing component, 21-second elastic member, 22-sensor, 23-circuit board, 24-first adhesive layer, 25-strengthening sheet, 26 -Second adhesive layer, 261-Avoid space, 3-Installation bracket, 31-Installation slot, 4-Elastic connector, 41-Fixer, 411-Installation boss, 42-First elastic piece, 43-Hot melt Fastener, 5-shell, 51-avoidance groove, 52-the third adhesive layer, 6-gap.

detailed description

In order to make the purpose, technical solution and advantages of the application clearer, the embodiments of the application will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

The embodiment of the present application provides a force detection module, as shown in Figure 1 to Figure 12, the force detection module includes a display component 1, a sensing component 2, a mounting bracket 3 and an elastic connector 4, and the mounting bracket 3 is set on The back of the display assembly 1 (that is, the non-display surface of the display assembly 1) is connected to the display assembly 1 through the elastic connector 4, and the sensor assembly 2 is clamped and arranged between the mounting bracket 3 and the back of the display assembly 1, and set The strength information on the display unit 1 is successfully detected.

In actual use, the mounting bracket 3 is fixed, the user presses the display component 1, and the elastic connecting member 4 produces a certain amount of elastic deformation, so that the display component 1 moves a certain distance, and then the sensing component 2 receives the downward force, The sensing component 2 converts the received pressure into an electrical signal for subsequent feedback and interaction.

In the force detection module provided in the embodiment of the present application, the elastic connector 4 is used instead of the traditional double-sided tape, so that the LCD screen can also be used for force detection, so as to enrich the functions of the terminal product. In specific applications, the strength detection module can be assembled first, and then assembled in the end product as a whole after the assembly is completed, which can realize the overall assembly without the need to assemble each component separately, which improves the overall assembly efficiency of the end product.

The connection between the elastic connector 4 and the mounting bracket 3 ensures that after the force detection module is assembled, the sensing component 2 will not be affected by structures other than the display component 1, which improves the reliability and accuracy of the force detection solution.

In an exemplary embodiment, as shown in FIG. 1 to FIG. 4 , the elastic connecting member 4 includes a fixing frame 41 and a first elastic member 42, one end of the first elastic member 42 is fixedly connected with the display assembly 1, and the other end is fixedly connected with the display assembly 1. The frame 41 is fixedly connected, and the mounting bracket 3 is fixed to the fixed frame 41 . The fixing frame 41 can be a plastic part.

The fixing frame 41 can provide a certain supporting force to connect the mounting bracket 3 and the display assembly 1 , and the first elastic member 42 is arranged between the fixing frame 41 and the display assembly 1 to play the role of adhesive fixing.

The fixing frame 41 and the mounting bracket 3 may be connected through other connecting members.

The first elastic member 42 can be an elastic pad, and adhesive glue is arranged on both sides of the elastic pad. While the first elastic member 42 has a good bonding effect, it also has a large amount of elastic deformation, so as to facilitate transmission. The sensing component 2 detects the pressing force of the user.

In an exemplary embodiment, as shown in FIGS. 1 to 4 , a mounting boss 411 is provided on the side of the fixing frame 41 facing away from the display assembly 1 , wherein: the mounting boss 411 is provided with a first connection hole, and the installation The end of the bracket 3 is provided with a second connecting hole, and the hot-melt fastener 43 passes through the second connecting hole and the first connecting hole to fix the mounting bracket 3 on the fixed frame 41; or, the mounting bracket 3 is glued fixed on the bracket 41.

The fixing frame 41 is provided with a mounting boss 411, the mounting boss 411 is provided with a first connecting hole, the end of the mounting bracket 3 is provided with a second connecting hole, and the hot-melt fastener 43 passes through the second connecting hole and enters the first connecting hole. A connecting hole to fix the mounting bracket 3 on the fixing frame 41.

The mounting boss 411 is provided on the fixing frame 41 for installing the mounting bracket 3, which can ensure the overall strength of the fixing frame 41 and avoid the thickness of the fixing frame 41 from being too thick to provide the first connecting hole.

The hot melt fastener 43 may be a hot melt nut. Of course, the mounting bracket 3 can also be directly fixed on the fixing frame 41 by gluing or clamping.

In an exemplary embodiment, as shown in FIG. 3 and FIG. 4 , the display assembly 1 includes a connected display screen 11 and a cover plate 12, the edge of the cover plate 12 protrudes from the edge of the display screen 11; the elastic connecting member 4 is Ring, and connected with the edge of the cover plate 12 protruding from the display screen 11, the two ends of the mounting bracket 3 are connected with the elastic connector 4, and the sensor assembly 2 is clamped on the back of the mounting bracket 3 and the display screen 11 (ie between the non-display surface of the display screen 11).

The back of the display screen 11 is provided with a mounting bracket 3 , and the cover plate 12 is connected to the elastic connector 4 ;

The cover plate 12 may be glass, and the display screen 11 may be an LCD screen. The cover plate 12 can protect the display screen 11 and prevent the display screen 11 from being scratched and damaged.

The size of the display screen 11 is slightly smaller than the cover plate 12. In other words, the size of the cover plate 12 is the same as that of the elastic connector 4, and the elastic connector 4 is connected to the outer edge of the cover plate 12. District location.

In an exemplary embodiment, as shown in FIG. 1 to FIG. 4 , the elastic connector 4 is in the shape of a rectangular ring, and there are multiple mounting brackets 3 arranged in sequence along the long sides of the rectangular ring. The sensor assembly 2 is elongated and extends along the long side of the rectangular ring. The sensor assembly 2 includes a plurality of sensors 22 , and the plurality of sensors 22 are pressed against the back of the display assembly 1 by a plurality of mounting brackets 3 in one-to-one correspondence.

The display assembly 1 can be rectangular, and multiple mounting brackets 3 are arranged along the length direction of the display assembly 1, so that a plurality of sensor assemblies 2 can be correspondingly arranged on the display assembly 1, so as to improve detection accuracy.

In addition, a sensing component 2 is provided at both ends of the mounting bracket 3 , in other words, a mounting slot 31 is provided at both ends of the mounting bracket 3 , and a sensing component 2 is installed in each mounting slot 31 . Of course, the number of installation slots 31 on the installation bracket 3 , that is, the number of sensing components 2 on the installation bracket 3 can also be other numbers.

A plurality of sensing components 2 can be installed along two directions and distributed evenly, so as to increase the number of sensing components 2 and improve detection range and accuracy.

In an exemplary embodiment, as shown in FIG. 11 , the sensor assembly 2 further includes a circuit board 23 and a reinforcing sheet 25, the circuit board 23 and the reinforcing sheet 25 are strip-shaped, and a plurality of sensors 22 are mounted on the circuit board 23 Above, the circuit board 23 and the reinforcing sheet 25 are fixed by glue (the first adhesive layer 24 ), and the reinforcing sheet 25 and the display assembly 1 are fixed by the adhesive layer (the second adhesive layer 26 ), which can be a strip-shaped adhesive layer.

That is, the sensor assembly 2 includes a sensor 22, a circuit board 23, a first adhesive layer 24, a reinforcing sheet 25 and a second adhesive layer 26, the sensor 22 is installed on the circuit board 23, and the circuit board 23 passes through the first adhesive layer 24 and the reinforcing sheet. 25, the second adhesive layer 26 is used for connecting with the display assembly 1, and the second elastic member 21 is used for connecting with the mounting bracket 3.

The entire assembly of the sensor 22 is bonded and fixed to the mounting bracket 3 through the second elastic member 21 , and bonded and fixed to the display screen 11 of the display component 1 through the second adhesive layer 26 . The data measured by the sensor 22 is processed and transmitted through the circuit board 23 . The reinforcing sheet 25 strengthens the strength of the whole sensor assembly 2 .

In practical applications, the second elastic member 21 can be an elastic pad, and adhesive glue is provided on both sides of the elastic pad; the first adhesive layer 24 can be double-sided adhesive tape, the reinforcing sheet 25 can be a steel sheet, and the second adhesive Layer 26 may be a pull glue.

In an exemplary embodiment, as shown in FIG. 12 , an avoidance space 261 is provided on the adhesive layer (the second adhesive layer 26 ) at a position corresponding to the sensor 22 .

The position correspondence between the avoidance space 261 and the sensor 22 means that the avoidance space 261 corresponds to the sensor 22 up and down.

When the display screen 11 is an OLED screen, the OLED screen is hard, and the sensor 22 may not sense the deformation signal. At this time, the corresponding position of the second adhesive layer 26 and the sensor 22 is hollowed out and cut off to form an avoidance space 261, so as to increase the deformable space of the sensor 22, thereby making the sensor 22 easy to deform, so as to sense the deformation signal . In the avoidance space 261 , the stress form of the sensor 22 is close to that of a simply supported beam, so greater deformation can occur.

Certainly, when the display screen 11 is an LCD screen, an avoidance space 261 may also be provided on the second adhesive layer 26 to improve the detection effect of the sensor 22 .

In an exemplary embodiment, as shown in FIG. 6 , the bracket is provided with a mounting groove 31 recessed toward the side away from the display component 1 , the sensor component 2 is installed in the mounting groove 31 , and the sensor component 2 protrudes from the The installation slot 31 is against the back of the display; the sensor assembly 2 also includes a second elastic member 21 disposed between the sensor 22 and the bracket, and the second elastic member 21 is in a compressed state.

The installation bracket 3 is provided with an installation groove 31 , so that after the installation bracket 3 is fixedly connected with the elastic connector 4 , a space for installing the sensing component 2 is formed at the installation groove 31 .

The installation groove 31 on the installation bracket 3 can be realized by bending. In other words, the thickness of the installation groove 31 of the installation bracket 3 is the same as that of other parts.

The second elastic member 21 is in a compressed state, in other words, the sensing component 2 is installed in the installation groove 31 with interference, that is, the mounting bracket 3 presses the sensing component 2, so that the sensing component 2 has a certain prestress, so as to facilitate accurate detection The user's pressure.

The embodiment of the present application also provides an electronic product. The electronic product includes a housing 5 and the aforementioned strength detection module. As shown in FIG. 7 , the elastic connector 4 of the strength detection module is connected to the housing 5 .

The shell 5 can protect the strength detection module and facilitate the assembly between the strength detection module and other subsequent components.

The electronic product may be a notebook computer, and the aforementioned force detection module is used at the touch screen of the notebook computer. The electronic product provided by the embodiment of the present application has rich functions, accurate and reliable strength detection, and improves user experience.

In an exemplary embodiment, the fixing frame 41 of the elastic connecting member 4 is fixed to the housing 5 by hot-melt fasteners, or the fixing frame 41 of the elastic connecting member 4 is fixed to the housing 5 by glue.

The casing 5 is disposed on the outside of the display assembly 1 and sleeved on the outside of the display screen 11 . In terms of connection, the casing 5 and the fixing frame 41 can be bonded and connected through the third adhesive layer 52 . Of course, the housing 5 and the fixing frame 41 can also be connected by hot-melt nuts.

In an exemplary embodiment, as shown in FIG. 9 , the casing 5 is provided with an avoidance groove 51 for avoiding the mounting bracket 3 of the force detection module, and there is a gap 6 between the mounting bracket 3 and the casing 5 .

The ends of the installation boss 411 and the installation bracket 3 extend into the escape groove 51, which is convenient for positioning during assembly and improves assembly efficiency and accuracy.

A gap 6 is provided between the integral body formed by the mounting boss 411 and the end of the mounting bracket 3 and the escape groove 51 , in other words, between the integral body formed by the mounting boss 411 and the end of the mounting bracket 3 and the escape groove 51 Cooperate for the gap 6, improve the assembly efficiency, and avoid the situation that the whole formed by the installation boss 411 and the end of the installation bracket 3 is installed in the avoidance groove 51 due to dimensional errors and other factors that cannot be installed or protrude after installation.

In the description in this application, it should be noted that the orientation or positional relationship indicated by "upper", "one end", "one side", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention. application and simplified description, rather than indicating or implying that the structures referred to have a particular orientation, are constructed in a particular orientation, and operate in a particular orientation, and thus should not be construed as limiting the application.

In the description of the embodiments of this application, unless otherwise specified and limited, the terms "connection" and "installation" should be interpreted in a broad sense. For example, the term "connection" can be a fixed connection or a detachable connection, or Integratively connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

The embodiments described in this application are illustrative rather than restrictive, and it will be obvious to those of ordinary skill in the art that more embodiments are possible within the scope of the embodiments described in this application and implementation plans. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Except where expressly limited, any feature or element of any embodiment may be used in combination with, or substituted for, any other feature or element of any other embodiment.

This application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application can also be combined with any conventional features or elements to form a unique technical solution defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other technical solutions to form another unique technical solution defined by the claims. It is therefore to be understood that any of the features shown and/or discussed in this application can be implemented alone or in any suitable combination. Accordingly, the embodiments are not to be limited except in accordance with the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.

Claims (10)

1. The utility model provides a dynamics detects module, its characterized in that, includes display module, sensing subassembly, installing support and elastic connection spare, the installing support sets up display module's the back, and pass through elastic connection spare with display module connects, the sensing subassembly centre gripping is in the installing support with between display module's the back to set to detect dynamics information on the display module.

2. A force detection module according to claim 1, wherein the elastic connection member includes a fixed frame and a first elastic member, one end of the first elastic member is fixedly connected to the display module, the other end of the first elastic member is fixedly connected to the fixed frame, and the mounting bracket is fixed to the fixed frame.

3. A force detection module according to claim 2, wherein a mounting boss is provided on one side of the mount facing away from the display assembly, wherein:

the mounting boss is provided with a first connecting hole, the end part of the mounting bracket is provided with a second connecting hole, and the hot-melt fastener penetrates through the second connecting hole and the first connecting hole so as to fix the mounting bracket on the fixing frame; or the mounting bracket is fixed on the fixing frame through gluing.

4. A force detection module according to any one of claims 1 to 3, wherein the display assembly includes a display screen and a cover plate connected to each other, and an edge of the cover plate protrudes from an edge of the display screen;

the elastic connecting piece is annular and is connected with the edge of the cover plate protruding out of the display screen, the two ends of the mounting bracket are connected with the elastic connecting piece, and the sensing assembly is clamped between the mounting bracket and the back of the display screen.

5. A force sensing module according to claim 4, wherein the resilient connecting member is in the form of a rectangular ring, the plurality of mounting brackets are sequentially disposed along a long side of the rectangular ring, the sensing element is in the form of an elongated strip and extends along the long side of the rectangular ring, the sensing element includes a plurality of sensors, and the plurality of sensors are respectively pressed against the back surface of the display element by the plurality of mounting brackets in a one-to-one correspondence.

6. A force sensing module according to claim 5, wherein the sensing assembly further includes a circuit board and a reinforcing plate, the circuit board and the reinforcing plate are in the shape of long strips, the plurality of sensors are mounted on the circuit board, the circuit board and the reinforcing plate are fixed by gluing, and the reinforcing plate and the display assembly are fixed by a glue layer.

7. A force detection module according to claim 6, wherein an avoidance space is provided on the adhesive layer at a position corresponding to the sensor.

8. The force detection module of claim 6, wherein the bracket is provided with an installation groove formed by recessing towards a side away from the display assembly, the sensing assembly is installed in the installation groove, and the sensing assembly protrudes out of the installation groove and abuts against the back surface between the displays;

the sensing assembly further comprises a second elastic piece, the second elastic piece is arranged between the sensor and the support, and the second elastic piece is in a compressed state.

9. An electronic product, comprising a housing and the force detection module according to any one of claims 1 to 8, wherein the elastic connection member of the force detection module is connected to the housing.

10. The electronic product according to claim 9, wherein the holder of the elastic connecting member is fixed to the housing by a hot-melt fastener, or the holder of the elastic connecting member is fixed to the housing by gluing;

the casing is provided with dodges the recess of dodging of the installing support of dynamics detection module, the installing support with there is the clearance between the casing.

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