TWM461864U - Capacitive touch switch and housing structure - Google Patents

Description

Capacitive touch switch and body structure

The present invention provides a touch switch and a body structure, and particularly relates to a capacitive touch switch and a body structure.

Press, the opening or closing of the electrical appliance is mostly controlled by the push-button switch. Since the periphery of the push-button switch is likely to form a gap, when foreign matter such as oil, moisture or insects enters, the power supply is short-circuited or the wire is ignited. This will cause serious disasters. The capacitive touch switch can replace the push-button switch and does not have the problem of foreign matter such as oil, moisture or insects. Therefore, it has been gradually applied to various electrical appliances.

However, the conventional capacitive touch switch needs to adhere the glass or transparent plastic material to the light guide plate and the circuit board. If the adhesive is not adhered, the touch sensitivity may be affected, and it is difficult to accurately conduct the operation signal.

In summary, the creator feels that the above-mentioned deficiencies can be improved. He has devoted himself to research and cooperates with the application of academics, and finally proposes a design that is reasonable in design and effective in improving the above-mentioned deficiencies.

The technical problem to be solved by the present invention is to provide a capacitive touch switch and a structure of the body, which can surely transmit the operation signal.

The present invention also provides a capacitive touch switch and a body structure, which is easy to operate, easy to assemble, and can reduce cost.

In order to solve the above technical problem, the present invention provides a capacitive touch switch, comprising: a seat body, the seat body is provided with an opening; a surface covering layer, the surface covering layer Covering the opening of the base; the circuit board is a capacitive touch circuit board, the circuit board is disposed in the body; the spring is electrically connected to the circuit board; and the spring cap is The spring cap is disposed on the spring, and the spring cap is electrically connected to the spring, and the spring cap is located below the surface covering layer.

The present invention further provides a body structure, including: a body; and a capacitive touch switch, the capacitive touch switch is disposed on the body.

This creation has at least the following advantages: the creation of the capacitive touch switch can use the spring as the conduction medium of the button of the capacitive touch circuit board, and there is no problem that the conventional technology does not affect the touch sensitivity, and can be reliably conducted. Operation signal.

This creation can be adapted to the assembly of planes and curved surfaces, and has a wide range of uses.

The creation consists of a seat, a surface covering, a circuit board, a spring and a spring cap, which is easy to operate, easy to assemble, and reduces cost.

The above description of the present invention and the following description of the embodiments are provided to illustrate and explain the principles of the present invention, and to provide further explanation of the scope of the patent application of the present invention.

1‧‧‧ body

11‧‧‧ openings

12‧‧‧Fixed parts

13‧‧‧ Groove

14‧‧‧Fixed column

2‧‧‧Surface overlay

3‧‧‧Circuit board

31‧‧‧Fixed holes

32‧‧‧Light source

4‧‧‧ Spring

41‧‧‧ first end

42‧‧‧second end

5‧‧‧ spring cap

100‧‧‧Capacitive touch switch

200‧‧‧ body

300‧‧‧ body

FIG. 1 is an exploded perspective view of a capacitive touch switch.

FIG. 2 is an exploded perspective view of another perspective of the capacitive touch switch.

FIG. 3 is a perspective view of the capacitive touch switch of the present invention.

FIG. 4 is a perspective view of another perspective of the capacitive touch switch.

FIG. 5 is a cross-sectional view of the capacitive touch switch of the present invention.

FIG. 6 is a schematic view showing that the capacitive touch switch is disposed in the range hood.

FIG. 7 is a schematic view showing the creation of a capacitive touch switch disposed on a drying machine.

[First Embodiment]

Referring to FIG. 1 to FIG. 5 , the capacitive touch switch 100 of the present invention comprises a body 1 , a surface covering layer 2 , a circuit board 3 , at least one spring 4 and at least one spring cap 5 , wherein the seat The body 1 can be made of a plastic material, but the material of the seat body 1 is not limited. The shape of the base 1 is not limited, and the base 1 is provided with an opening 11 which penetrates the outer surface and the inner surface of the base 1.

The base 1 can be provided with a plurality of fixing members 12, and the fixing member 12 can be a component such as a hook, so that the capacitive touch switch 100 can be mounted and fixed on the device such as an electrical appliance by using the fixing members 12. In addition, the fixing member 12 may be replaced by a screw, a rivet, a pin or a glue, and is not limited.

The surface covering layer 2 can be made of glass or a transparent plastic material. The surface covering layer 2 covers the opening 11 of the base body 1. The surface of the surface covering layer 2 can also be printed with a pattern corresponding to the button switch (Fig. slightly). In the present embodiment, the surface covering layer 2 is formed into a flat surface corresponding to the seat body 1, but the surface covering layer 2 and the seat body 1 may be formed into a curved surface or the like.

A recess 13 may be further formed on the base 1, that is, a groove 13 is formed on the outer surface of the base 1, and the recess 13 corresponds to the surface covering layer 2, and the surface covering layer 2 can be accommodated. The surface covering layer 2 is made flush with the outer surface of the seat body 1 in the recess 13. In another embodiment, the seat body 1 may not be provided with a groove 13 which protrudes from the outer surface of the seat body 1.

The circuit board 3 is disposed in the base body 1. The circuit board 3 can be provided with a plurality of fixing holes 31 for the screws (not shown) to be used for fixing the circuit board 3 to the base body 1 by means of screw locking. Corresponding fixed column 14. However, the manner in which the circuit board 3 is fixed to the base 1 is not limited, and the circuit board 3 may be fixed to the base 1 by means of hooks, rivets, pins or adhesives.

The circuit board 3 is a capacitive touch circuit board. The circuit board 3 can be further provided with at least one illuminating light source 32. The illuminating light source 32 can be an LED light source or a bulb light source, and the number of the illuminating light sources 32 is not limited. It can be disposed corresponding to the spring 4 and the spring cap 5, and in the embodiment, a plurality of illuminating light sources 32 are provided, and the illuminating light source is provided. 32 corresponds to the spring 4 and the spring cap 5 and is cylindrical, but the shape of the illuminating light source 32 is not limited and can be changed as needed.

The spring 4 and the spring cap 5 are made of a conductive material such as metal. The number of the spring 4 and the spring cap 5 is not limited, and the shape of the spring 4 and the spring cap 5 is not limited, and may be changed as needed. This embodiment is provided with a plurality of springs 4 and a plurality of spring caps 5. The spring 4 is electrically connected to the circuit board 3, and the spring cap 5 is disposed on the spring 4. The spring 4 is preferably but not limited to a compression spring. In this embodiment, the spring cap 5 forms an annular cover corresponding to the spring 4, and the spring 4 has a first end 41 and a second end 42 respectively, and the first end 41 (lower end) of the springs 4 and the circuit board 3 electrically connected by soldering or the like, so that the springs 4 are electrically connected to the corresponding sensing circuit of the circuit board 3.

The spring caps 5 are disposed at the second ends 42 (upper ends) of the springs 4, and the second ends 42 of the springs 4 are in contact with the corresponding spring caps 5, so that the spring caps 5 and the corresponding springs 4 are electrically Sexual connection. Thereby, the spring cap 5 can be electrically connected to the circuit board 3 through the spring 4 . The spring caps 5 are located below the surface covering layer 2, and the light emitting sources 32 are received in the corresponding springs 4 and the spring caps 5, so that the light generated by the light source 32 can pass through the springs 4 and the spring caps 5. Shoot up.

The capacitive touch switch 100 of the present embodiment is of a light-transmitting type, and the light-emitting source 32 is housed inside the spring 4, and can display a key pattern by light transmission. In another embodiment, the capacitive touch switch 100 is of a non-transmissive type, and the inside of the spring 3 is not permeable to light, and may be additionally displayed by an LED lamp or the like.

When the user touches the surface of the surface covering layer 2, the capacitance change can be generated by the electrostatic combination between the electrode of the circuit board 3 and the human body, so that the spring cap 5, the spring 4 and the circuit board 3 form a conduction loop, so that the user only needs By gently touching the surface covering layer 2, the purpose of the switch and the control circuit can be achieved, and the operation is very precise and simple.

[Second embodiment]

Referring to FIG. 6, the body structure of the present invention includes a body 200 and a capacitive touch switch 100. The body 200 is a body of a range hood, and the body 200 can The utility model is made of a metal material, and a fan unit (not shown) is disposed inside the body 200, so that the soot can be sucked into the body 200 through the oil collecting group (not shown), and then the soot is discharged to the outside to provide the exhaust fumes. The capacitive touch switch 100 is disposed on the body 200 and can be used to control the operation of the range hood.

[Third embodiment]

Referring to FIG. 7 , the body structure of the present invention includes a body 300 and a capacitive touch switch 100. The body 300 is a body of a dishwasher. The body 300 can be made of a metal material, and the body 300 is internally provided with The hot air generating device (not shown) can warm the cold air and then send the hot air to dry the dishes, dishes and the like placed inside the body 300. The capacitive touch switch 100 is disposed on the body 300 and can be used to control the operation of the dryer.

The capacitive touch switch of the present invention can use a spring as a conductive medium of a button of a capacitive touch circuit board, and an internal light space can be installed. The creation can adapt to the assembly of the plane and the surface, and does not have the problem that the sticking does not affect the touch sensitivity, and the operation signal can be surely transmitted. The capacitive touch switch of the present invention can transmit light, and the light is displayed by the operation part. The creation consists of a seat, a surface covering, a circuit board, a spring and a spring cap, which is easy to operate, easy to assemble, and reduces cost.

In addition, the capacitive touch switch of the present invention can be disposed on a body of a range hood and a dish dryer, and the body is usually made of a metal material to provide a better shielding effect to avoid capacitive touch. The switch is subject to outside interference.

However, the above description is only the preferred embodiment of the present invention, and it is not intended to limit the scope of patent protection of this creation. Therefore, the equivalent changes made by using this creation specification and the contents of the schema are all included in the right of this creation. Within the scope of protection, it is given to Chen Ming.

1‧‧‧ body

11‧‧‧ openings

12‧‧‧Fixed parts

13‧‧‧ Groove

2‧‧‧Surface overlay

3‧‧‧Circuit board

31‧‧‧Fixed holes

32‧‧‧Light source

4‧‧‧ Spring

41‧‧‧ first end

42‧‧‧second end

5‧‧‧ spring cap

100‧‧‧Capacitive touch switch

Claims (10)

A capacitive touch switch includes: a seat body; the base body is provided with an opening; a surface covering layer covering the opening of the seat body; and a circuit board, the circuit board is a capacitive touch circuit board The circuit board is disposed in the body; the spring is electrically connected to the circuit board; and the spring cap is disposed on the spring, and the spring cap is electrically connected to the spring, A spring cap is located below the surface covering. The capacitive touch switch of claim 1, wherein the spring is a compression spring, the spring has a first end and a second end, the first end is electrically connected to the circuit board, and the second end is It is in contact with the spring cap. The capacitive touch switch of claim 2, wherein the spring cap forms an annular cover. The capacitive touch switch of claim 3, wherein the circuit board is provided with a light source, and the light source is received in the spring and the spring cap. The capacitive touch switch of claim 1, wherein the base body is provided with a plurality of fixing members. The capacitive touch switch of claim 1, wherein the body forms a recess, and the surface covering layer is received in the recess. The capacitive touch switch of claim 1, wherein the circuit board is fixed to the base. A body structure comprising: a body; and a capacitive touch switch according to any one of claims 1 to 7, wherein the capacitive touch switch is disposed on the body. The body structure as claimed in claim 8, wherein the body is a body of the range hood. The body structure as claimed in claim 8, wherein the body is a body of a dishwasher.