CN209883943U

CN209883943U - Touch screen module, host computer part and cooking machine

Info

Publication number: CN209883943U
Application number: CN201920237851.6U
Authority: CN
Inventors: 郭祥达; 代松
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2020-01-03
Anticipated expiration: 2029-02-25

Abstract

The application provides a touch-sensitive screen module, host computer part and cooking machine. The touch screen module comprises a single chip microcomputer module, a circuit board electrically connected to the single chip microcomputer module and a touch panel covered on the circuit board. The circuit board is provided with a substrate and at least one sensing piece attached to the substrate, and the sensing piece and the touch panel are separated by a preset distance. When the trigger is attached to the touch panel and forms an induction capacitor with the corresponding induction piece, the single chip microcomputer module outputs a corresponding earth electric signal. The induction piece and the touch panel are arranged at intervals, and an induction capacitor can be formed between the induction piece and the trigger attached to the touch panel, so that the single chip microcomputer module charges the induction capacitor, the single chip microcomputer module outputs corresponding earth electric signals, and the touch screen module is high in operation sensitivity. The induction part is attached to the substrate, the assembly of the induction part is convenient, and the production cost is low. The whole volume of response piece is little, and required installation space is little, and the flattening degree of touch-sensitive screen module is high.

Description

Touch screen module, host computer part and cooking machine

Technical Field

The application relates to cooking device technical field, relates to a touch screen module, host computer part and cooking machine.

Background

The cooking machine comprises a main machine part and a cup body part assembled on the main machine part, wherein the main machine part controls the cup body part to execute corresponding cooking machine functions, such as heating, stirring food materials, making drinks and the like. The host computer part is provided with a corresponding touch screen module for the user to select a corresponding function.

In the related art, the touch screen module includes a single chip module, a circuit board electrically connected to the single chip module, and a touch panel covering the circuit board. The circuit board is fixed with a plurality of springs, and the free end elasticity butt joint of spring is in touch panel, and wherein, the spring can form an electric field after the circular telegram. When the finger of the operator contacts the touch panel, an induction capacitor is formed between the human body and the spring. The resistance-capacitance circuit in the single chip microcomputer can charge the induction capacitor, the voltage of the resistance-capacitance circuit in the single chip microcomputer is reduced, and the single chip microcomputer judges the key state by detecting the change.

However, the existing touch screen module uses the spring as a medium to judge the operation instruction of the operator, and the spring needs to be manually assembled to the substrate of the circuit board one by one, which results in low assembly efficiency. The spring is the columnar structure, and the touch-sensitive screen module needs to have vertical and horizontal installation space, and required installation space is big, leads to the whole bulky of touch-sensitive screen module. And, under transportation and vibration condition, the spring can appear winding phenomenon, leads to the button to realize, seriously influences user experience.

SUMMERY OF THE UTILITY MODEL

In view of this, this application provides a touch-sensitive screen module, host computer part and cooking machine.

Specifically, the method is realized through the following technical scheme:

the application provides a first aspect of the disclosure, which discloses a touch screen module, comprising a single chip microcomputer module, a circuit board electrically connected to the single chip microcomputer module, and a touch panel covering the circuit board, wherein the circuit board is provided with a substrate and at least one sensing piece attached to the substrate, and the sensing piece and the touch panel are separated by a preset distance;

when the trigger is attached to the touch panel and forms an induction capacitor with the corresponding induction piece, the single chip microcomputer module outputs a corresponding earth electric signal.

Optionally, the inductive element is provided as a metal block or a metal foil.

Optionally, the minimum value of the edge distance between two adjacent induction pieces is set as B, and B is larger than or equal to 8 mm.

Optionally, the distance between the sensing element and the touch panel is h, and h is greater than or equal to 3mm and less than or equal to 12 mm.

Optionally, the size of the circumscribed circle of the sensing piece is set to be D, and D is larger than or equal to 6mm and smaller than or equal to 12 mm.

Optionally, the single chip microcomputer module comprises a single chip microcomputer, a capacitor circuit connected to one pin of the single chip microcomputer, and a resistor circuit connected to the other pin of the single chip microcomputer, and the circuit board is electrically connected to the resistor circuit.

Optionally, the capacitance circuit is provided with an adjusting capacitor, two poles of the adjusting capacitor are respectively connected to the pin of the single chip microcomputer and the ground, and the distance between the sensing piece and the touch panel is adjusted according to the capacitance value of the capacitor.

Optionally, the single chip microcomputer module further comprises a blocking capacitor, and the resistance circuit and the circuit board are respectively connected to two poles of the blocking capacitor.

In a second aspect, a host component is disclosed, comprising a base, a functional component mounted on the base, and a touch screen module as described above, wherein the touch screen module is electrically connected to the functional component.

The third aspect that the application provided discloses a cooking machine, including cup part and as above host computer part, host computer part control cup part carries out corresponding material reason function.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

the induction piece and the touch panel are arranged at intervals, and an induction capacitor can be formed between the induction piece and the trigger attached to the touch panel, so that the single chip microcomputer module charges the induction capacitor, the single chip microcomputer module outputs corresponding earth electric signals, and the touch screen module is high in operation sensitivity. The induction part is attached to the substrate, the induction part is convenient to assemble, the processing efficiency is high, and the production cost is low. The whole volume of response piece is little, and required installation space is little, and the flattening degree of touch-sensitive screen module is high.

Drawings

Fig. 1 is a schematic structural diagram of a touch screen module without a touch panel according to an exemplary embodiment of the present application.

Fig. 2 is a schematic cross-sectional structure diagram of a touch screen module according to an exemplary embodiment of the present application.

Fig. 3 is a schematic circuit diagram of a single chip module according to an exemplary embodiment of the present application.

Fig. 4 is a schematic circuit diagram of a single chip module with a blocking capacitor according to an exemplary embodiment of the present disclosure.

Fig. 5 is a schematic structural diagram of a food processor according to an exemplary embodiment of the present application.

In the figure, a wiring board 10; a substrate 11; a sensing member 12; a touch panel 20; a single chip module 30; a single chip microcomputer 31; a capacitance circuit 32; the adjustment capacitor 321; a resistance circuit 33; a blocking capacitor 34; a mounting bracket 40; a base 50; a cup member 60.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

As shown in fig. 1 and fig. 2, in an embodiment, the present disclosure provides a touch screen module including a single chip module 30, a circuit board 10 electrically connected to the single chip module 30, and a touch panel 20 covering the circuit board 10, where the circuit board 10 includes a substrate 11 and at least one sensing element 12 attached to the substrate 11, and the sensing element 12 is spaced from the touch panel 20 by a predetermined distance. When the trigger is attached to the touch panel 20 and forms an inductive capacitance with the corresponding inductive element 12, the single chip module 30 outputs a corresponding ground electrical signal.

The sensors 12 are attached to the surface of the substrate 11 and are spaced apart from each other, so that the touch screen module can output corresponding electrical signals according to different sensors 12. The touch screen module can be applied to electrical equipment, such as household appliances, cooking machines, complementary food machines, juice machines and other household electrical equipment.

The finger of the operator is attached to the corresponding position of the touch panel 20, such as the position of the key of the touch panel 20. An induction capacitor is formed between the finger part and the induction piece 12, and a resistance-capacitance circuit in the single chip microcomputer module 30 charges the induction capacitor, so that the voltage in the single chip microcomputer module 30 is reduced. The single chip module 30 outputs corresponding electrical signals according to the voltage variation to control the electrical equipment to execute corresponding functions. The sensing element 12 and the touch panel 20 are arranged at an interval, and can form a sensing capacitor with a trigger attached to the touch panel 20, so that the single chip microcomputer module 30 charges the sensing capacitor, the single chip microcomputer module 30 outputs a corresponding earth electric signal, and the touch screen module is high in operation sensitivity.

The sensor 12 is attached to the surface of the substrate 11 to improve the processing efficiency. In an alternative embodiment, the inductive element 12 is provided as a metal block or foil. The sensor 12 may be made of metal foil such as aluminum foil, copper foil, or silver foil. The metal block can be iron, aluminum, copper, and other block or plate metals. Wherein the thickness of the metal block is greater than the thickness of the metal foil. The sensing member 12 is attached to the substrate 11, and can be processed by automatic processing equipment, such as welding, surface mounting, and the like. The sensing piece 12 is convenient to assemble, high in machining efficiency and low in production cost. The whole volume of the sensing piece 12 is small, the required installation space is small, and the flattening degree of the touch screen module is high.

Different sensors 12 can control the touch screen module to output different electrical signals. In an alternative embodiment, the minimum value of the edge distance between two adjacent sensing elements 12 is set as B, wherein B is more than or equal to 8 mm. The cross-sectional shape of the sensing elements 12 can be circular, rectangular or other shapes, two or more sensing elements 12 are distributed on the substrate 11, and a predetermined distance is provided between two adjacent sensing elements 12 to avoid mutual interference. For example, the minimum distance between the edges of two adjacent sensing members 12 is set to be 8mm, 10mm, 12mm, 15mm, 16mm, 20mm, 25mm, etc.

The sensing elements 12 are distributed on the substrate 11, so as to improve the utilization rate of the surface of the substrate 11 and improve the compactness of the distribution of the touch keys. In one embodiment, the size of the circumscribed circle of the sensing element 12 is set to be D, and D is more than or equal to 6mm and less than or equal to 12 mm. The sensing element 12 can be designed to be circular, rectangular or other shapes, and the diameter of the circumscribed circle of the sensing element 12 can be adjusted to define the maximum installation area of the sensing element 12, thereby facilitating the adjustment of the distribution position of the sensing element 12 on the substrate 11. For example, the sensing element 12 is circular, and the diameter thereof is the size of the circumscribed circle of the sensing element 12. The diameter of the sensing piece 12 is set to be 6mm, 8mm, 10mm, 12mm and the like so as to accord with the ergonomic design, not only meet the space required by fingertip pressing, but also avoid the waste of the surface space of the substrate 11.

As shown in fig. 3 and 4, in an embodiment, the single chip module 30 includes a single chip 31, a capacitor circuit 32 connected to one pin of the single chip 31, and a resistor circuit 33 connected to another pin of the single chip 31, and the circuit board 10 is electrically connected to the resistor circuit 33.

The single chip 31 is provided with a plurality of pins, each of which is used for connecting a corresponding circuit to detect the change of the voltage and current signals or output corresponding electrical signals through the pins. The capacitor circuit 32 is connected to one of the pins of the single chip 31, so that the single chip 31 detects a capacitor voltage at the pin.

The resistance circuit 33 is connected to the other pin of the single chip 31, and the resistance circuit 33, the single chip 31 and the capacitance circuit 32 form a resistance-capacitance circuit. The circuit board 10 is connected to the resistance circuit 33 so that the sensing element 12 is connected to the single chip 31. When the finger portion of the operator is attached to the touch panel 20, a sensing capacitance is formed between the finger portion and the sensing member 12. The capacitance circuit 32 charges the sensing capacitor through the resistance-capacitance circuit, and accordingly, the voltage of the capacitance circuit 32 decreases and the voltage of the sensing capacitor increases. The single chip 31 identifies the corresponding sensing element 12 according to the built-in program and outputs a corresponding electric signal, so that the electrical equipment executes corresponding functions, and the control effect is good.

The capacitance circuit 32 charges the sensing capacitor, in an optional embodiment, the capacitance circuit 32 is provided with an adjusting capacitor 321, two poles of the adjusting capacitor 321 are respectively connected to the pin of the single chip 31 and the ground, and the distance between the sensing element 12 and the touch panel 20 is adjusted according to the capacitance value of the capacitor.

One electrode of the adjusting capacitor 321 is connected to the pin of the single chip microcomputer 31, and the other electrode of the adjusting capacitor 321 is grounded to keep the voltage at the pin of the single chip microcomputer 31 stable. The sensing element 12 and the touch panel 20 are arranged at an interval, and the sensing range of the sensing element 12 can be correspondingly adjusted by adjusting the capacitance value of the capacitor 321, so as to adjust the distance between the sensing element 12 and the touch panel 20 and the sensitivity of the sensing element 12. The sensing element 12 is attached to the substrate 11, and the touch panel 20 covers the circuit board 10 and is spaced from the sensing element 12 by a predetermined distance. In an alternative embodiment, the distance between the sensing element 12 and the touch panel 20 is h, and h is greater than or equal to 3mm and less than or equal to 12 mm. For example, the distance between the upper surface of the sensor 12 and the inner surface of the touch panel 20 is h, and h is 3mm, 5mm, 6mm, 8mm, 10mm, 12mm, or the like.

In a specific embodiment, the capacitance value of the adjusting capacitor 321 is set to 33uf, and the sensing distance between the sensing element 12 and the touch panel 20 can be set to 3 mm. The capacitance value of the adjusting capacitor 321 is set to 10uf, and the sensing distance between the sensor 12 and the touch panel 20 can be set to 10 mm.

In an optional embodiment, the single chip module 30 further includes a blocking capacitor 34, and the resistor circuit 33 and the circuit board 10 are respectively connected to two poles of the blocking capacitor 34. The sensing element 12 is connected to one of the pins of the single chip 31 through the resistance circuit 33, and the sensing element 12 forms a charged body. The blocking capacitor 34 is disposed on the circuit between the resistance circuit 33 and the circuit board 10 to cut off the power of the sensing element 12, so as to avoid burning the touch panel 20 in a short circuit state of the touch keys and avoid safety problems. The touch panel 20 or the touch keys do not need to be made of flame-retardant materials, so that the cost is reduced. In a particular embodiment, the resistor circuit 33 includes one or more resistors.

In one embodiment, the touch screen module further includes a mounting bracket 40, the circuit board 10 is fixed to the mounting bracket 40, and the touch panel 20 is mounted on the mounting bracket 40 and covers the circuit board 10. The touch panel 20 is fixed to the mounting bracket 40, and is convenient to assemble and good in overall mobility.

As shown in fig. 1, 2 and 5, the touch screen module disclosed in the above embodiment is applied to a host component, so that an operator can operate the touch screen module and control the host component to perform corresponding functions. In one embodiment, the host device includes a base 50, a functional component mounted on the base 50, and a touch screen module as disclosed in the above embodiments, wherein the touch screen module is electrically connected to the functional component.

The touch screen module is installed on the surface of the base 50 and electrically connected to the functional components, which can be a driving motor, a heating element, a temperature control component, etc. The operator can press the key area accordingly through the touch panel 20, so that the single chip module 30 sends an electrical signal accordingly, so that the functional component performs a function accordingly.

The host machine component provided by the embodiment is applied to the food processor. The food processor comprises a cup body part 60 and a host machine part provided in the above embodiment, wherein the host machine part controls the cup body part 60 to execute corresponding food processing functions.

In one embodiment, the functional component includes a driving component installed on the base 50, the driving component is electrically connected to the touch screen module, and the touch screen module controls the driving component to operate according to a built-in program, so that the food processor executes a corresponding food processing function.

In one embodiment, the cup body part 60 includes a mixing cup and a mixing blade set mounted on the mixing cup, the mixing cup is provided with a containing space for containing food material, and the mixing blade set is driven by the driving assembly to rotate so as to mix the food material in the mixing cup. The driving assembly can be set as a motor assembly, and optionally, the driving assembly is directly mounted at the other end of the stirring knife set to drive the stirring knife set to rotate and process the food material in the stirring cup. Optionally, the driving assembly is connected to the stirring cutter set through the clutch assembly in an inserting manner so as to drive the stirring cutter set to rotate and process the food material in the stirring cup.

In an optional embodiment, the food processer further comprises a cup cover assembly covering the opening of the stirring cup, so that the accommodating space of the stirring cup is in a closed state, and the sealing effect is good. In an optional embodiment, the cup cover assembly is further provided with a valve body assembly, and the valve body assembly adjusts the air pressure in the stirring cup in a sealing and pressure relief mode.

In an alternative embodiment, the cup body 60 further includes an upper plug terminal mounted to the mixing cup, the functional assembly includes a heat generating member mounted to the mixing cup, and the cup body 60 is mounted to the base 50. The upper plug-in terminal of the cup body part 60 is electrically connected with the touch screen module, the heating element is electrically connected with the touch screen module, and the touch screen module controls the heating element to generate heat.

The above embodiments are merely preferred embodiments of the present application, which are not intended to limit the present application, and the above embodiments may be combined with each other without conflict. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The touch screen module is characterized by comprising a single chip microcomputer module (30), a circuit board (10) electrically connected to the single chip microcomputer module (30) and a touch panel (20) covered on the circuit board (10), wherein the circuit board (10) is provided with a substrate (11) and at least one induction piece (12) attached to the substrate (11), and the induction piece (12) and the touch panel (20) are separated by a preset distance;

when the trigger is attached to the touch panel (20) and forms an induction capacitor with the corresponding induction piece (12), the single chip microcomputer module (30) outputs a corresponding electrical signal.

2. A touch screen module according to claim 1, wherein the sensor (12) is provided as a metal block or a metal foil.

3. The touch screen module according to claim 1, wherein the minimum value of the edge distance between two adjacent sensing members (12) is set as B, and B is more than or equal to 8 mm.

4. The touch screen module of claim 1, wherein the spacing between the sensor (12) and the touch panel (20) is h, 3mm ≦ h ≦ 12 mm.

5. The touch screen module of claim 1, wherein the sense member (12) has a circumscribed circle dimension D, 6mm ≦ D ≦ 12 mm.

6. The touch screen module according to claim 1, wherein the single chip microcomputer module (30) comprises a single chip microcomputer (31), a capacitor circuit (32) connected to one pin of the single chip microcomputer (31), and a resistor circuit (33) connected to the other pin of the single chip microcomputer (31), and the circuit board (10) is electrically connected to the resistor circuit (33).

7. The touch screen module according to claim 6, wherein the capacitance circuit (32) is provided with an adjusting capacitor (321), two poles of the adjusting capacitor (321) are respectively connected to a pin of the single chip microcomputer (31) and the ground, and the distance between the sensing element (12) and the touch panel (20) is adjusted according to the capacitance value.

8. The touch screen module according to claim 6, wherein the single chip microcomputer (31) module further comprises a blocking capacitor (34), and the resistor circuit (33) and the circuit board (10) are respectively connected to two poles of the blocking capacitor (34).

9. A host part comprising a base (50), a functional component mounted to the base (50), and a touch screen module according to any one of claims 1 to 8, the touch screen module being electrically connected to the functional component.

10. A food processor, comprising a cup part (60) and a main machine part according to claim 9, said main machine part controlling the cup part (60) to perform a corresponding processing function.