CN213937866U

CN213937866U - Electronic touch key and electronic equipment

Info

Publication number: CN213937866U
Application number: CN202022334673.4U
Authority: CN
Inventors: 孙吉成; 曾广辉
Original assignee: Shenzhen Raysgem Electronic Science And Technology Co ltd
Current assignee: Shenzhen Raysgem Electronic Science And Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-10-20
Publication date: 2021-08-10
Anticipated expiration: 2030-10-20

Abstract

The utility model relates to a mirror technical field especially relates to an electron touch button and electronic equipment. The electronic touch key comprises a touch control panel; the light-emitting element is arranged on the touch control board and is electrically connected with the touch control board; the light guide piece is arranged on the touch control panel and is matched with the light-emitting element; and the first installation layer is arranged between the light guide piece and the touch control panel. Electronic equipment comprises any electronic touch key. The embodiment effectively reduces the process requirement for installation between the light-emitting element and the touch control panel in the production process, reduces the requirement for a producer, effectively prevents the gap problem between the light-emitting element and the touch control panel, and reduces the defective rate.

Description

Electronic touch key and electronic equipment

Technical Field

The utility model relates to a touch button technical field specifically, relates to electron touch button and electronic equipment.

Background

With the economic development and the improvement of living standard of people, as is well known, touch keys have the characteristics of slight and quick induction, scratch resistance, water or oil stain resistance and the like, and with the technical progress, more and more household appliances begin to adopt the touch keys to replace traditional mechanical keys or electrical keys so as to adapt to relatively severe use environments, such as washing machines, water heaters, smoke exhaust ventilators, refrigerators and other household appliances used in relatively humid bathrooms or kitchens polluted by oil smoke and the like.

Generally, an electric appliance using a capacitive touch key control panel is provided, and an indicator lamp is generally arranged at the position of a touch key to indicate the working state of the key, so that a backlight lamp is used for prompting when the key is touched, and a user can clearly understand what functional state the electric appliance is in after the key is pressed down.

The utility model discloses the inventor is realizing the utility model discloses an in-process discovers: at present, the indicator light and the light guide plate are usually arranged together, namely the indicator light and the light guide plate body are molded, and the indicator light PCB is welded together during production, but the requirement on processing is strict in the production process. If the production process is not strictly executed during production, a gap between the light guide plate and the PCB is easy to appear, so that the touch key is insensitive, and a defective product is produced.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention provides an electronic touch key, which includes a touch control panel;

the light-emitting element is arranged on the touch control board and is electrically connected with the touch control board;

the light guide piece is arranged on the touch control panel and is matched with the light-emitting element; and a process for the preparation of a coating,

the first installation layer is arranged between the light guide piece and the touch control panel.

It is understood that the embodiment is to separate the light emitting element from the light guide member and to connect the light emitting element to the touch control panel. And the light guide is directly arranged on the touch control panel through the first installation layer. Therefore, the process requirements for installation between the light-emitting element and the touch control panel in the production process are effectively reduced, the requirements for manufacturers are reduced, the problem of gaps between the light-emitting element and the touch control panel is effectively prevented, and the defective rate is reduced.

Further, the light-emitting element is connected with the touch control panel through surface assembly technology.

Further, the light guide member is provided with a mounting groove corresponding to the light emitting element.

Further, a certain gap is formed between the inner wall of the mounting groove and the light-emitting element.

Furthermore, the side of leaded light spare setting up the mounting groove evenly is provided with reflection of light point

Further, the light guide member includes an acrylic plate, tempered glass, or a PVC plate.

Furthermore, the side face of the light guide piece, which is far away from the installation groove, is provided with a groove.

Furthermore, the electronic touch key further comprises a second installation layer, and the second installation layer is arranged on the side face, far away from the installation groove, of the light guide piece.

Further, the first installation layer is an adhesive layer.

Furthermore, the touch control panel is used for detecting a touch signal, changing light rays emitted by the light emitting element according to the signal and emitting a switch instruction.

Another aspect discloses an electronic device, which includes any one of the electronic touch keys.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of a first mounting assembly of an embodiment of the present invention;

fig. 2 is a schematic view of another perspective of fig. 1 of the present invention;

fig. 3 is a cross-sectional view a-a of fig. 2 in accordance with the present invention;

fig. 4 is a cross-sectional view a-a in another embodiment of the invention;

fig. 5 is a schematic view of a light guide according to another embodiment of the present invention.

The following are marked in the figure:

10. a light guide; 101-groove, 102-second installation layer and 103-installation groove; 20. a touch control panel; 30. a first mounting layer; 40. a light emitting element.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

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," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. 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. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, 2 and 3, an electronic touch key includes a touch control panel 20;

a light emitting element 40 disposed on the touch control panel 20 and electrically connected to the touch control panel 20;

a light guide 10 disposed on the touch control panel 20 and disposed in cooperation with the light emitting element 40; and a process for the preparation of a coating,

a first installation layer 30 disposed between the light guide 10 and the touch control panel 20.

It is understood that the embodiment is to separate the light emitting element 40 from the light guide 10 and to connect the light emitting element 40 to the touch control panel 20. And the light guide 10 is directly provided to the touch control panel 20 through the first installation layer 30. Therefore, the process requirements for installation between the light-emitting element 40 and the touch control panel 20 in the production process are effectively reduced, the requirements for manufacturers are reduced, the gap problem between the light-emitting element 40 and the touch control panel 20 is effectively prevented, and the defective rate is reduced.

In actual production, the light-emitting element 40 and the touch control board 20 are connected and mounted in advance, and the light-emitting element 40 and the touch control board 20 are electrically connected. Then, the light guide 10 is disposed on the touch panel 20, and the light guide 10 and the light emitting element 40 are required to be installed in a matching manner, so that the light emitted from the light emitting element 40 can be emitted through the light guide 10. In an embodiment, the light guide 10 is disposed on the touch panel 20, and specifically, the first installation layer 30 connects the two for installation. And the first installation layer 30 can realize the quick assembly and disassembly of the light guide part 10 arranged on the touch control panel 20, thereby reducing the assembly requirement in the production process.

Further, the light emitting element 40 is mounted and connected to the touch control panel 20 by a surface mounting technology.

It is understood that the light emitting elements 40 are mounted and connected to the touch control board 20 by using a well-established technology, that is, the touch control board 20 is ensured to control the light emitting elements 40 to emit light. Thus, the light-emitting element 40 and the touch control panel 20 are installed together manually by a producer during production, so that the phenomenon that the gap between the light guide plate and the touch control panel 20 is caused by improper operation is prevented, the problem that touch keys are insensitive is caused, namely, manual errors are reduced through a chip mounting technology, and the yield is improved.

It should be noted that Surface mount Technology (Surface Mounted Technology), is the most popular Technology and process in the electronic assembly industry. Surface Mount Technology (SMT) is known as Surface Mount or Surface Mount Technology. The surface-mounted component (SMC/SMD, chip component in Chinese) with no pins or short leads is mounted on the surface of a Printed Circuit Board (PCB) or other substrates, and is soldered and assembled by means of reflow soldering, dip soldering and the like.

In a further embodiment, referring to fig. 5, the light guide 10 is provided with a mounting groove 103 corresponding to the light emitting element 40.

It can be understood that, in order to realize the matching of the light emitting element 40 and the light guide 10, the gap between the light emitting element 40 and the touch control panel 20 is prevented, and the problem of poor contact is prevented. In an embodiment, the mounting groove 103 corresponding to the position of the light emitting element 40 is disposed on one side of the light guide 10, that is, when the light guide 10 is mounted and connected to the touch panel 20, the light emitting element 40 protruding on the touch panel 20 does not cause a gap problem between the touch panel 20 and the light guide 10.

Further, referring to fig. 3, a gap is formed between the inner wall of the mounting groove 103 and the light emitting element 40.

It can be understood that, in order to facilitate the installation of the light guide plate, in an embodiment, the width and the depth of the installation groove 103 are both set to be a certain distance from the light emitter, so as to reduce the requirement on the installation process.

Further, the light guide member 10 is uniformly provided with reflective dots on the side surface where the mounting groove 103 is provided.

It will be appreciated that, in order to allow the light emitted by the light emitting panel to be uniformly emitted by the light guide 10, uniformly distributed reflective dots are provided on the side of the light guide 10 corresponding to the light emitting elements 40.

During the in-service use, when light emitting component 40 circular telegram sends light, partial light is direct to be passed through the light guide plate distributes away, and partial light can process simultaneously distribute away again after the luminous point on the light guide plate launches, so can guarantee that light passes through the light guide plate is more even.

Further to the embodiments, the light guide 10 includes an acrylic plate, a tempered glass or a PVC plate.

It can be understood that the light guide member 10 of the embodiment is made of a light-transmitting material, such as an acrylic plate, a tempered glass, or a PVC plate, and different materials of the light guide member 10 are selected according to actual production requirements during production.

In a further embodiment, referring to fig. 1, a groove 101 is further disposed on a side surface of the light guide 10 away from the mounting groove 103.

It can be understood that, the side of the light guide 10 away from the mounting groove 103 is provided with the groove 101 as a light-transmitting region, and the rest of the region is provided with the second mounting layer 102. Light emitted from the light emitting element 40 may be emitted outward through the region of the groove 101.

Further to the embodiment, the first mounting layer 30 is an adhesive layer. The sticking layer comprises double-sided adhesive, structural adhesive or waterproof adhesive and the like.

It can be understood that, the light guide member 10 and the touch control panel 20 are quickly mounted together by using a quick mounting manner, so that the quick mounting of the light guide member and the touch control panel can be realized, the difficulty of production is reduced, and defective products caused by improper operation of a producer are reduced. The embodiment, quick mounting means includes adhesion mode, buckle mode, and the mandrel adhesion mode of embodiment effectively reduces manufacturing cost, makes the operation more simple and convenient simultaneously. In a specific embodiment, the light guide member 10 and the touch control panel 20 are mounted together by a double-sided adhesive tape.

In a further embodiment, referring to fig. 4, the electronic touch key further includes a second mounting layer 102, and the second mounting layer 102 is disposed on a side surface of the light guide 10 away from the mounting groove 103.

It should be noted that the second mounting layer 102 is an adhesive layer, and in a specific embodiment, the adhesive layer is a double-sided tape, and the electronic touch key can be quickly mounted and set to a desired position through the double-sided tape, and meanwhile, the maintenance is also facilitated.

Further, the touch control board 20 is used for detecting a touch signal, changing light emitted from the light emitting element 40 according to the signal, and emitting a switch command.

It can be understood that the touch control panel 20 includes a substrate and touch control key circuits disposed on two sides of the substrate, the touch control key circuits include a touch sensing key module, a touch signal processing module, an analog switch module, an indicator light module, a voltage reduction and stabilization module, and a socket connector, the touch sensing key module is connected with an input interface of the touch signal processing module, different output interfaces of the touch signal processing module are respectively connected with an input end of the analog switch module and the indicator light module, and an output end of the analog switch module is connected with the socket connector; the voltage reduction and stabilization module supplies direct current power supplies of other modules.

It will be appreciated that a capacitance exists between any two conductive objects, the magnitude of the capacitance being related to the conductive properties of the medium, the size and conductive properties of the plates, the presence or absence of conductive material around the plates, etc. The inductive pads of the substrate are typically the plates of a capacitor. When the fingers of the human body approach the induction disc of the substrate, the size of the capacitor can be changed due to the conductivity of the human body, and the touch processing chip outputs an instruction signal after detecting the large-amplitude change of the capacitance value. Through the induction disc on the human body touch substrate, the touch chip integrated circuit detects the change of the capacitance value, sends an instruction to the negative electrode of the light-emitting element 40 of the corresponding channel to be at a low level, so that the light-emitting element 40 (indicator lamp) is lightened, and simultaneously sends a signal to the analog switch module to control the analog switch module to make a communication action for the corresponding channel, so that the corresponding channel is communicated with the ground, and a communication function is realized; when the contact between a finger and the induction disc is released, the capacitance value is recovered, the touch chip integrated circuit detects the change of the capacitance value, sends an instruction to the negative electrode of the luminous element 40 of the corresponding channel to be a high level, so that the luminous element 40 (indicator lamp) is not lightened, and simultaneously sends a signal to the analog switch module, controls the analog switch module to make a disconnection action for the corresponding channel, so that the corresponding channel is not communicated with the ground, and realizes a disconnection function; thus, the function of touch control on/off is basically realized.

It can be understood that the electronic touch key is electrically connected to the electronic device and is used as a touch switch of the electronic device, and a user can control the on-off state of the electronic device through the electronic touch key.

The electronic devices referred to herein include household appliances, portable electronic devices, commercial electronic devices, and the like, and mainly include computers, air conditioners, refrigerators, washing machines, microwave ovens, printers, facsimile machines, all-in-one machines, advertisement machines, mobile phones, and the like.

The following is illustrated by way of an example of a smart mirror:

the electronic touch key is electrically connected with the intelligent mirror, is used as a switch of the intelligent mirror, and is adhered to the mirror glass through the second installation layer 102 (double-sided adhesive tape). When the intelligent mirror needs to be started, a user touches the electronic touch key, the touch control panel 20 senses a trigger signal, a starting signal is sent to the intelligent mirror, and meanwhile the touch control panel 20 controls the light emitting element 40 to emit light, so that the starting state of the intelligent mirror is directly reflected. That is, the state of the intelligent mirror is reflected by changing the brightness of the light emitting element 40 or the color of the emitted light.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. An electronic touch key is characterized by comprising a touch control panel;

2. The electronic touch key of claim 1, wherein the light emitting element is mounted to the touch control panel by surface mount technology.

3. The electronic touch key of claim 1, wherein the light guide is provided with a mounting groove corresponding to the light emitting element.

4. The electronic touch key of claim 3, wherein a gap is provided between the inner wall of the mounting groove and the light emitting element.

5. The electronic touch key according to claim 1 or 3, wherein the light guide member is uniformly provided with light reflecting points on the side surface where the mounting groove is provided.

6. The electronic touch key of claim 5, wherein the light guide comprises an acrylic sheet, tempered glass, or PVC sheet.

7. The electronic touch key of any of claims 1-4, further comprising a second mounting layer disposed on a side of the light guide away from the mounting slot.

8. The electronic touch key of claim 1, wherein the first mounting layer is an adhesive layer.

9. The electronic touch key of claim 1, wherein the touch control board is configured to detect a touch signal, change light emitted from the light emitting device according to the touch signal, and issue a switch command.

10. An electronic device comprising an electronic touch key as claimed in any one of claims 1 to 9.