CN210954807U - Side button device of sensor module and equipment - Google Patents

Abstract

The utility model provides a side button device of sensor module and equipment. The sensor module includes: the sensor module comprises a connecting device and a plurality of sensors arranged on one side of the connecting device, wherein openings located between adjacent sensors are formed in the connecting device, and the openings are used for enabling isolating blocks fixed to equipment to penetrate through after the sensor module is installed on the equipment. The side key device comprises a substrate and a sensor module, wherein the connecting device is fixedly connected to the substrate, at least one isolating block is fixed on the substrate, and the isolating block penetrates through an opening in the connecting device and is arranged between adjacent sensors. The isolating block can effectively prevent the sensor from being touched by mistake, avoid signal interference between the sensors and improve the operation accuracy of the side key device.

Description

Side button device of sensor module and equipment

Technical Field

The utility model relates to a sensor technology field, more specifically relates to a side button device of sensor module and equipment.

Background

With the development of society, electronic devices such as mobile phones are becoming more and more popular. Touch screens are increasingly widely used in electronic devices because of their ease of operation and their lower and lower prices, but when operating a touch screen, not only the piezoelectric sensors below the touch point of the touch screen respond, but also the adjacent piezoelectric sensors respond, and signal interference between the piezoelectric sensors affects the operation accuracy.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the embodiment of the utility model provides a side button device of sensor module and equipment, its simple structure, it is small, and prevent that the mistake of sensor from touching.

In order to achieve the purpose of the utility model, the utility model discloses the technical scheme who takes as follows:

an embodiment of the utility model provides a sensor module, include: the sensor module comprises a connecting device and a plurality of sensors arranged on one side of the connecting device, wherein openings located between adjacent sensors are formed in the connecting device, and the openings are used for enabling isolating blocks fixed to equipment to penetrate through after the sensor module is installed on the equipment.

According to the sensor module provided by the embodiment of the utility model, a plurality of sensors can be used for detecting the pressing strength information on the touch pad or the shell of the equipment, and the connecting device is used for providing carriers of the sensors; the connecting device is provided with an opening between the adjacent sensors, and the isolating block fixed on the touch pad or the shell of the equipment can pass through the opening and is arranged between the adjacent sensors, so that when the touch pad or the shell of the equipment is pressed, the part of the touch pad or the shell connected with the isolating block deforms less when being stressed, and therefore, the pressing force can be prevented from being transmitted on the touch pad or the shell, and the sensor outputs a response signal due to the transmitted force, and finally mistaken touch is caused.

The embodiment of the utility model provides a side button device of equipment is still provided, include: a substrate and a sensor module group which are arranged on the substrate,

the sensor module comprises a connecting device and a plurality of sensors arranged on one side of the connecting device, and openings between the adjacent sensors are formed in the connecting device;

the connecting device is fixed on the substrate, at least one isolating block is fixed on the substrate, and the isolating block penetrates through the opening and is arranged between the adjacent sensors.

The embodiment of the utility model provides a side button device of equipment, the base plate is used for installing and fixing the sensor module, and the base plate can be fixed to the side shell of the equipment; the plurality of sensors in the sensor module are used for detecting pressing force degree information on a side shell of the equipment, the connecting device is used for providing carriers of the plurality of sensors and transmitting electric signals output by the sensors, the electric signals can be transmitted to the control chip, and the control chip can process the received electric signals output by the sensors and output control instructions. The spacing block sets up between adjacent sensor, and spacing block and the base plate fixed connection who is fixed to the side casing for when pressing the side casing, the position that is connected with the spacing block on the base plate is less when the atress, consequently can prevent to press the pressure to conduct on the side casing, causes the sensor because the power output response signal of conduction, finally leads to the mistake to touch.

This side button device can effectively prevent the mistake of sensor and touch, avoids the signal interference between the sensor, has improved side button device's operation accuracy.

Other features and advantages of the present invention will be set forth in the description that follows.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

Fig. 1 is a schematic structural diagram of a side key device according to an embodiment of the present invention;

FIG. 2 is a side view of the side-view key device shown in FIG. 1;

FIG. 3 is a schematic view of an assembly structure of the connection device, the sensor and the spacer of the side button device shown in FIG. 1;

FIG. 4 is a side view of the assembled structure of the connection device, sensor and spacer shown in FIG. 3;

FIG. 5 is a schematic structural view of an assembled structure of the connection device and the sensor of FIG. 3;

FIG. 6 is a side view of the assembled structure of the coupling device and sensor shown in FIG. 5;

FIG. 7 is a schematic view of the separator of FIG. 3;

FIG. 8 is a side view of the separator shown in FIG. 7;

fig. 9 is a schematic structural diagram of a side key device according to another embodiment of the present invention;

FIG. 10 is a side view of the side button device shown in FIG. 9;

FIG. 11 is a schematic top view of the side button device shown in FIG. 9;

FIG. 12 is a schematic structural view of an assembled structure of a substrate, a connecting device and a sensor of the side key device shown in FIG. 9;

FIG. 13 is a side view of the assembled structure of the substrate, attachment device and sensor shown in FIG. 12;

FIG. 14 is a schematic view of a spacer block in the side-button apparatus shown in FIG. 9;

FIG. 15 is a bottom view of the spacer shown in FIG. 14;

fig. 16 is a schematic view of an assembly structure of a connecting device and a sensor in a side key device according to another embodiment of the present invention.

Reference numerals:

1-substrate, 2-printed circuit board, 21-opening, 3-sensor, 4-partition board, 41-support board, 42-isolation block, 421-first fixed part, 422-second fixed part, 423-screw fixed hole, 424-avoidance concave part, 6-second substrate, 7-soldering tin, 8-adhesive, 9-screw and 10-control chip.

Detailed Description

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The first embodiment is as follows:

as shown in fig. 1 to 8, the present embodiment provides a sensor module and a side key device of an apparatus, where the side key device of the apparatus includes a substrate 1 and the sensor module.

As shown in fig. 5 and fig. 6, the sensor module of the present embodiment includes a connecting device and a plurality of sensors 3 disposed on one side of the connecting device, the connecting device is used to provide a carrier for the plurality of sensors 3, and the sensors 3 can be used to detect pressing force degree information (including the position and magnitude of the pressing force), such as: after the sensor module is installed on the device, the pressing force information on the touch panel or the shell of the device can be detected.

The connection means is provided with openings 21 between adjacent sensors 3, the openings 21 being arranged to allow the spacers 42 fixed to the device to pass through after the sensor module has been mounted to the associated device.

In this embodiment, the isolation block 42 may be fixed to a touch panel or a housing of the device, and the isolation block 42 is disposed between adjacent sensors 3, so that when the touch panel or the housing of the device is pressed, a portion of the touch panel or the housing connected to the isolation block 42 deforms less when a force is applied, and therefore, the pressing force can be prevented from being transmitted on the touch panel or the housing, and the sensor 3 outputs a response signal due to the transmitted force, which eventually causes a false touch.

As shown in fig. 5 and 6, the connection device may be a printed circuit board 2, specifically, a rigid printed circuit board PCB, or a flexible printed circuit board FPC, and the plurality of sensors 3 may be soldered on the printed circuit board 2 by solder 7. Of course, the connecting device can also be a silver paste circuit board, or include a silver paste circuit film, a lead and the like. On the printed circuit board 2, an opening 21 may be provided between every two adjacent sensors 3, in which case one sensor 3 is provided between adjacent openings 21; alternatively, the opening 21 is provided between some adjacent sensors 3, and the opening 21 is not provided between some adjacent sensors 3, in which case one or more sensors 3 may be provided between adjacent openings 21.

The sensor 3 may be an elastic wave sensor. In particular, the elastic wave sensor includes, but is not limited to, a piezoelectric sensor, a strain sensor, etc., and the piezoelectric sensor may include a piezoelectric ceramic sensor, a piezoelectric thin film sensor, a piezoelectric crystal sensor, or other sensors having a piezoelectric effect, etc.

Optionally, a support plate 41 is fixed on the side of the printed circuit board 2 (connecting device) facing away from the plurality of sensors 3, a spacer 42 and the support plate 41 are connected to form an integrated partition plate 4, the spacer 42 protrudes towards the side where the connecting device is located, and the support plate 41 is arranged to be fixedly connected with the equipment;

or, the printed circuit board 2 is provided with a plurality of openings 21, the plurality of openings 21 are configured to allow the plurality of spacers 42 to pass through, and the plurality of spacers 42 are of a split structure;

alternatively, the spacer 42 may be integrally formed on the device, such as on a housing of the device.

The side key device of the equipment of the embodiment comprises a substrate 1 and a sensor module. Wherein the base plate 1 is arranged to be fixed to a side casing of the device. As shown in fig. 1 and 2, the printed circuit board 2 (connecting means) of the sensor module is fixed on the substrate 1, and at least one spacer 42 is fixed on the substrate 1, and the spacer 42 passes through the opening 21 on the printed circuit board 2 and is disposed between the adjacent sensors 3 on the printed circuit board 2. Wherein a spacer 42 may be provided between each adjacent two sensors 3.

Alternatively, the device may be an electronic device. The following description will take a side key device of an electronic device as an example.

The substrate 1 can be arranged to be integrated with a side casing of the electronic device, and in this case, the printed circuit board 2 and the spacer 42 are arranged on an inner surface of the side casing; alternatively, the substrate 1 and the side casing of the electronic device are configured as a split assembly structure, that is, the substrate 1 may be configured as a single plate and fixed (e.g., bonded by an adhesive) to the inner surface of the side casing of the electronic device. Specifically, when the electronic device is a mobile phone, the middle frame of the mobile phone includes side plates forming side shells, and the base plate may be configured as a side plate of the middle frame of the mobile phone or fixed to a side plate of the middle frame of the mobile phone.

In the side key device of the electronic device provided by the embodiment, the substrate 1 is used for mounting and fixing the sensor module, the plurality of sensors 3 in the sensor module are used for detecting pressing force information on a side shell of the electronic device, the printed circuit board 2 is used for providing carriers of the plurality of sensors 3 and simultaneously transmitting electric signals output by the sensors 3, the electric signals can be transmitted to the control chip 10 (detailed description is given below), and the control chip 10 can process the received electric signals output by the sensors 3 and output control instructions. The isolation block 42 is fixed on the substrate 1 and arranged between the adjacent sensors 3, and the thickness of the part of the substrate 1 connected with the isolation block 42 is increased, so that when the side key device arranged on the side shell is pressed, the part of the substrate 1 connected with the isolation block 41 is stressed and then deforms less, the pressing force can be prevented from being conducted on the side shell, and the sensors 3 are caused to output response signals due to the conducted force, and finally the mistaken touch is caused.

This side button device can effectively prevent sensor 3's mistake from touching, avoids the signal interference between the sensor 3, has improved side button device's operation accuracy.

Alternatively, as shown in fig. 1, 2 and 5, the opening 21 provided in the printed circuit board 2 between the adjacent sensors 3 may penetrate the printed circuit board 2 in the thickness direction, and the spacer 42 may extend into between the adjacent sensors 3 after passing through the opening 21. Wherein, an opening 21 may be disposed between each two adjacent sensors 3, such as: one opening 21 can be arranged between every two adjacent sensors 3, and the number of the openings 21 is 1 less than that of the sensors 3; there may be one spacer block 42 in each opening 21, the number of spacer blocks 42 being equal to the number of openings 21.

Specifically, three sensors 3 arranged in sequence can be welded on the printed circuit board 2; the printed circuit board 2 may further have two openings 21, and the two spacers 42 may be disposed and extend into the two openings 21. Both openings 21 may extend towards the left and to the left edge of the printed circuit board 2, so that the spacer 42 protrudes from the left into the opening 21.

Alternatively, as shown in fig. 1, 2, 7 and 8, in the sensor module, the spacer 42 and the support plate 41 are connected to form the integrated partition plate 4, the support plate 41 is fixed on the base plate 1 and located between the base plate 1 and the printed circuit board 2, the spacer 42 protrudes toward the side where the printed circuit board 2 is located, and the printed circuit board 2 is fixed on the support plate 41.

Specifically, as shown in fig. 1 to 4, the support plate 41 and the spacer 42 are of a unitary structure, and the support plate 41 may be adhered to the base plate 1 by an adhesive 8; the printed circuit board 2 may be adhered to the support plate 41 by the adhesive 8, and the spacer 42 on the support plate 41 passes through the opening 21 on the printed circuit board 2 and extends between the two sensors 3. The adhesive 8 may be a double-sided tape, a resin tape, or the like, which is not limited to a specific form and can perform an adhesive function.

Alternatively, front and rear end surfaces (end surfaces at the left and right ends in fig. 1, respectively) of at least one of the support plate 41 and the spacer 42 are disposed to abut against or be fixed to a panel and a rear case of the electronic apparatus, respectively. Wherein the side casing of the electronic device is vertical relative to the back shell and the panel.

Specifically, the front end surface of the supporting plate 41 may be disposed to abut against or be fixedly connected with a panel (e.g., may be a touch panel) of the electronic device, and the rear end surface may be disposed to abut against or be fixedly connected with a rear case of the electronic device; alternatively, the front end surface of the isolation block 42 may be configured to abut against or be fixedly connected to a panel of the electronic device, and the rear end surface may be configured to abut against or be fixedly connected to a rear housing of the electronic device; alternatively, the front end surfaces of the supporting plate 41 and the spacer 42 may be disposed to abut against or be fixedly connected to a panel of the electronic device, and the rear end surfaces may be disposed to abut against or be fixedly connected to a rear case of the electronic device. Elastic materials (such as foam) can be arranged between the front end face of the supporting plate 41 and/or the isolating block 42 and the panel, and elastic materials (such as foam) can be arranged between the rear end face of the supporting plate 41 and/or the isolating block 42 and the rear shell.

In the embodiment shown in fig. 1, the right side of the flexible circuit board (printed circuit board 2) may be bent so as to interfere with the abutting or fixed connection of the front end surface (or rear end surface) of the right side of the support plate 41 with the panel (or rear case).

By arranging the isolation block 42 between the adjacent sensors 3, the problem of mistaken touch of the sensors 3 caused by touching the side key device on the side edge of the shell is solved, and the problem of signal interference between the sensors 3 in the same plane is solved. The front end face and the rear end face of at least one of the supporting plate 41 and the isolation block 42 are respectively abutted against the panel and the rear shell of the electronic equipment, the partition plate 4 plays a supporting role between the rear shell and the panel of the electronic equipment, when a user presses the rear shell and the panel, pressing force is conducted to the side shell through the four sides of the rear shell and the panel, the sensor 3 is caused to output a response signal because of conducted force, mistaken touch is finally caused, and the problem of signal interference between the sensors 3 which are not in the same plane is solved.

Therefore, adopt baffle 4 of this embodiment, the mistake that leads to when can prevent in the coplanar and the interior application of force of different planes touches the problem, has improved sensor 3's detection accuracy for the operation accuracy of side button device is good.

Optionally, as shown in fig. 1, the side key device further includes a control chip 10, and the plurality of sensors 3 are electrically connected to the control chip 10 through the printed circuit board 2. The control chip 10 can receive and process the electric signal output by the printed circuit board 2 and detected by the sensor 3, and output corresponding control instructions.

Alternatively, the electronic device may be an intelligent terminal device such as a mobile phone and a notebook computer.

Example two:

the embodiment provides a sensor module and a side key device of an electronic device, which are different from the first embodiment mainly in the isolation block.

In this embodiment, the sensor module includes a plurality of spacers 42, and the plurality of spacers 42 are split structures, that is, the plurality of spacers 42 are independently disposed therebetween.

As shown in fig. 9 to 11, 14 and 15, the spacer 42 is in a split-type assembly structure with the base plate 1.

Optionally, as shown in fig. 11 and fig. 14, the side key device further includes a second substrate 6 disposed perpendicular to the substrate 1, the spacer 42 is provided with a first fixing portion 421 and a second fixing portion 422, the first fixing portion 421 is fixedly connected to the substrate 1, and the second fixing portion 422 is fixedly connected to the second substrate 6.

Alternatively, the substrate 1 may be a side casing of an electronic device, and the second substrate 6 may be a main board perpendicular to the side casing of the electronic device.

Or, when the electronic device is a mobile phone, the frame includes a side plate forming a side shell and a bottom plate vertically connected with the side plate, and the bottom plate can be connected with the front end of the side plate or connected with the rear end of the side plate. The substrate 1 can be arranged as a side plate of a side shell formed on the middle frame, and the second substrate 6 is arranged as a bottom plate vertical to the side plate on the middle frame; alternatively, the substrate 1 may be configured as a side plate forming a side case on the middle frame, and the second substrate 6 may be configured as a main board of the electronic device. Of course, the base plate 1 and the second base plate 6 may be separately provided plates other than the middle frame or the main plate, the base plate 1 may be fixed to a side plate of the middle frame by an adhesive, and the second base plate 6 may be fixed to a bottom plate or the main plate of the middle frame by an adhesive.

Through the fixing of spacing block 42 and second base plate 6, can further fix spacing block 42 for spacing block 42 can prevent the transmission of power on the side casing better, is favorable to improving the detection precision and the accuracy of sensor 3.

Specifically, as shown in fig. 9-15, the printed circuit board 2 is adhered to the substrate 1 by the adhesive 8, the first fixing portion 421 of the spacer 42 is adhered and fixed to the substrate 1 by the adhesive 8, and the second fixing portion 422 is fixed to the second substrate 6 by the screw 9, wherein the second fixing portion 422 is provided with a screw fixing hole 423 for the screw 9 to pass through.

Of course, the spacer 42 may be fixed only by the first fixing portion 421 to the substrate 1, or the spacer 42 may be fixed only by the second fixing portion 422 to the second substrate 6.

As shown in fig. 9, the second fixing portion 422 is located on the right side of the spacer 42, and when the second fixing portion 422 is fixed to the second substrate 6 (the bottom plate of the middle frame), the right side of the flexible circuit board (the printed circuit board 2) may be bent so as not to interfere with the fixing of the second fixing portion 422 to the second substrate 6. Of course, the second fixing portion 422 may be disposed on the left side of the spacer 42, and in this case, the second fixing portion 422 and the second substrate 6 may be directly fixed.

Alternatively, as shown in fig. 14, an escape recess 424 is provided between the first fixing portion 421 and the second fixing portion 422. Avoiding the recess 424 reduces the volume occupied by the spacer 42 and avoids other components of the electronic device.

Alternatively, the front and rear end surfaces of the spacer 42 are disposed to abut against the front and rear cases of the electronic apparatus, respectively.

The terminal surface supports with electronic equipment's panel and backshell respectively around the spacing block 42, and the spacing block 42 plays the supporting role between electronic equipment's backshell and panel, prevents that the user hand from pressing when on backshell and panel, and the side casing is conducted through backshell and panel four sides to the pressing force, leads to sensor 3 because the power output response signal of conduction, finally leads to the mistake to touch, has solved the signal interference problem between the sensor 3 that is not in same plane.

By arranging the isolation block 42 between the adjacent sensors 3, the problem of mistaken touch of the sensors 3 caused by touching the side key device on the side edge of the shell is solved, and the problem of signal interference between the sensors 3 in the same plane is solved.

Therefore, the isolation block 42 of the embodiment can prevent the problem of mistaken touch of the sensor 3 caused by force application in the same plane and in different planes, improve the detection accuracy of the sensor 3, and ensure that the operation accuracy of the side key device is good.

It should be understood that the spacer 42 may be in other forms besides the structure in the first and second embodiments, such as: the spacer 42 and the substrate 1 may be a unitary structure, such as: the substrate 1 is provided with a protrusion to form a spacer 42, and front and rear end surfaces of the integrated spacer 42 may also abut against a front panel and a rear case of the electronic device, respectively.

It should be understood that the number of sensors 3 may be other than three in the first and second embodiments, such as: as shown in fig. 16, the number of the sensors 3 may be two, and the printed circuit board 2 may be provided with an opening 21; at this time, a spacer 42 may be inserted into the opening 21 to prevent the two sensors 3 from interfering with each other. Of course, other numbers of sensors 3 may be provided as desired.

It should be understood that the spacer 42 in the first embodiment may be fixedly connected to the second substrate 6. Specifically, the spacer 42 may be directly fixedly connected to the second substrate 6; alternatively, the fixed connection of the spacer 42 and the second substrate 6 is realized by the fixed connection of the support plate 41 and the second substrate 6. Through the fixed connection of the support plate 41 of the partition plate 4 or the second substrate 6 of the spacer block 42, the transmission of force on the side shell can be better prevented, which is beneficial to improving the detection precision and accuracy of the sensor 3.

In the description of the present invention, the term "plurality" means two or more than two.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., "fixed" may be direct or indirect via other parts; may or may not be removably secured. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.

Claims (10)

1. A sensor module, comprising: the sensor module comprises a connecting device and a plurality of sensors arranged on one side of the connecting device, wherein openings located between adjacent sensors are formed in the connecting device, and the openings are used for enabling isolating blocks fixed to equipment to penetrate through after the sensor module is installed on the equipment.

2. The sensor module according to claim 1, wherein a support plate is fixed to a side of the connecting device facing away from the plurality of sensors, the spacer block and the support plate are connected to form an integrated partition, the spacer block protrudes toward a side of the connecting device, and the support plate is configured to be fixedly connected to the equipment;

or the connecting device is provided with a plurality of openings, the plurality of openings are arranged to allow the plurality of isolating blocks to pass through, and the plurality of isolating blocks are of split structures;

alternatively, the spacer is integrally formed on the device.

3. A side key assembly for a device, comprising: a substrate and a sensor module group which are arranged on the substrate,

the sensor module comprises a connecting device and a plurality of sensors arranged on one side of the connecting device, and openings between adjacent sensors are formed in the connecting device;

the connecting device is fixed on the substrate, and at least one isolating block is fixed on the substrate and penetrates through the opening and is arranged between the adjacent sensors.

4. A side key device according to claim 3, wherein a support plate is fixed to a side of said connecting means facing away from said plurality of sensors, said spacer and said support plate being connected to form an integral spacer, said support plate being fixed to said base plate and located between said base plate and said connecting means, said spacer projecting toward a side of said connecting means.

5. A side key arrangement according to claim 4, characterised in that the front and rear faces of the support plate are arranged to abut or be fixed to the front and rear housings, respectively, of the device.

6. The side key device of claim 3, wherein the spacer is of unitary construction with the base plate; or the isolation block and the substrate are in a split type assembly structure.

7. A side key arrangement according to any of claims 3-6, wherein the front and rear faces of the spacer are arranged to abut or be fixed to the front and rear housings of the device, respectively.

8. A side key device according to any of claims 3-6, further comprising a second substrate arranged perpendicular to said substrate, wherein said spacer block is provided with a first fixing portion and a second fixing portion, said first fixing portion is fixedly connected to said substrate, and said second fixing portion is fixedly connected to said second substrate.

9. The side key device according to claim 8, wherein an escape recess is provided between the first fixing portion and the second fixing portion.

10. A side key arrangement according to any of claims 3-6, wherein said base plate is arranged in a one-piece construction with a side housing of the device, or in a two-piece assembly construction with a side housing of the device.

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