CN216565105U - touch electronic switch - Google Patents

Abstract

The utility model provides a touch-type electronic switch. A first circuit board, a first isolation board and a control module of the touch-type electronic switch are located in a casing, the first circuit board is electrically connected with the control module; There is at least one touch sensing module, the first circuit board receives the touch signal transmitted by the touch sensing module and transmits the touch signal to the control module; the isolation plate is arranged between the first circuit board and the control module; on the control module The induction processing circuit of the device receives the touch signal, and sends the switch control signal generated according to the touch signal to the switch control circuit. The utility model reduces the occupied area by means of separate arrangement and snap-on structure, and does not need to make a lot of changes to the circuit of the control module for switches with different numbers of channels, reduces the design cost, reduces the consumption of manpower and material resources, and can avoid The interference of the control module to the touch sensing module improves the working stability and effectiveness of the switch.

Description

touch electronic switch

technical field

The utility model relates to the field of electronic switches, in particular to a touch-type electronic switch.

Background technique

Touch switch is a new product with the development and progress of science and technology. This product generally refers to a wall switch designed by applying the principle of touch sensing chip, which is a replacement product of traditional mechanical button wall switch. The touch switch can realize more intelligent and more convenient operation. The touch switch has the incomparable advantages of traditional switches, and is a very popular decorative switch for household products.

In the prior art, the touch switch sets the touch sensing area on the main control board, and uses the main control board to collect the touch signal of the touch sensing area and control the on-off of the circuit. However, this method occupies the area of the main control board, and it is difficult to add control circuits and switches to control multiple circuits. Moreover, when controlling different numbers of circuits, it is necessary to control the position of the touch sensing area, the connected circuit and the control circuit. A large number of adjustments are made to the setting method, the design cost is high, and the consumption of manpower and material resources is increased. In addition, there are crystal oscillator circuits and high-frequency circuits on the main control board, and the touch sensing area is placed on the main control board, which is susceptible to signal interference from the main control board, resulting in false touches, which reduces the working stability and effectiveness of the touch switch.

Utility model content

In order to overcome the deficiencies of the prior art, the present invention proposes a touch-type electronic switch. The first circuit board on which the touch-sensing module is placed is set separately from the control module, and an isolation board is set between the two to isolate electromagnetic interference. The separate arrangement and the snap-fit structure reduce the occupied area, and there is no need to make a lot of changes to the circuit of the control module for switches with different numbers of channels, which reduces the design cost, reduces the consumption of manpower and material resources, and can prevent the control module from being sensitive to touch. The interference of the module improves the working stability and effectiveness of the switch.

In order to solve the above problems, a technical solution adopted by the present invention is: a touch-type electronic switch, the touch-type electronic switch includes: a casing, a first circuit board, a first isolation board and a control module, the first The circuit board, the first isolation board and the control module are in the casing, the first circuit board is electrically connected with the control module; at least one touch sensing module is arranged on the first circuit board, and the first circuit board is provided with at least one touch sensing module. A circuit board receives the touch signal transmitted by the touch sensing module and transmits the touch signal to the control module; the isolation plate is arranged between the first circuit board and the control module, and is used to realize Electromagnetic isolation between the first circuit board and the control module; an induction processing circuit and a switch control circuit are arranged on the control module, and the induction processing circuit receives the touch signal, and responds to the touch signal according to the touch signal. The generated switch control signal is sent to the switch control circuit, so that the switch control circuit controls the on-off of the controlled circuit according to the switch control signal.

Further, the touch electronic switch further includes a connector, one end of the connector is connected to the first circuit board, and the other end is connected to the inductive processing circuit in the control module through the isolation plate, and the isolation plate It is fixed on the bottom case by means of snaps.

Further, the number of the touch sensing modules is the same as the number of the connectors, and they are connected in one-to-one correspondence.

Further, the control module includes a second circuit board, an induction processing circuit is disposed on the second circuit board, and the control module is connected to the first circuit board through the induction processing circuit.

Further, a communication circuit is further provided on the second circuit board, and the second circuit board is connected to the network through the communication circuit.

Further, the control module further includes a third circuit board, and the third circuit board is disposed on one side of the second circuit board and is away from the first circuit board relative to the second circuit board.

Further, the control module further includes an insulating plate, the insulating plate is disposed between the second circuit board and the third circuit board, and the shape of the insulating plate matches the third circuit board.

Further, the switch control circuit includes a relay, the relay is disposed on the side of the third circuit board away from the second circuit board, and the on-off of the controlled circuit is controlled by the relay.

Further, a power supply circuit is further provided on the third circuit board, the third circuit board is electrically connected to the second circuit board, and supplies power to the second circuit board through the power supply circuit.

Further, the housing includes a face case and a bottom case, the face case is snap-connected with the bottom case, and the bottom of the control module is snap-connected with the bottom case.

Compared with the prior art, the beneficial effect of the present invention is that the first circuit board on which the touch sensing module is placed and the control module are arranged separately, and an isolation plate is arranged between the two to isolate electromagnetic interference. The way of the structure reduces the occupied area, does not need to make a lot of changes to the circuit of the control module for switches of different numbers, reduces the design cost, reduces the consumption of manpower and material resources, and can avoid the interference of the control module to the touch sensing module, The working stability and effectiveness of the switch are improved.

Description of drawings

FIG. 1 is a structural diagram of an embodiment of the touch electronic switch of the present invention;

2 is an external structural diagram of an embodiment of the touch electronic switch of the present invention;

FIG. 3 is an exploded view of an embodiment of the touch electronic switch of the present invention;

FIG. 4 is a structural diagram of an embodiment of the bottom case of the touch electronic switch of the present invention.

In the figure: 1. Housing; 2. First circuit board; 21. Touch sensing module; 3. Isolation plate; 4. Control module; 121. Heat dissipation hole; shell; 41, the second circuit board; 42, the insulating plate; 43, the third circuit board.

Detailed ways

Hereinafter, the present utility model will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be arbitrarily combined to form new implementations. example.

Please refer to FIGS. 1-4. FIG. 1 is a structural diagram of an embodiment of a touch electronic switch of the present invention; FIG. 2 is an external structural diagram of an embodiment of a touch electronic switch of the present invention; FIG. 3 is a touch electronic switch of the present invention. An exploded view of an embodiment of the electronic switch; FIG. 4 is a structural diagram of an embodiment of the bottom case of the touch electronic switch of the present invention, and the touch electronic switch of the present invention will be described in detail with reference to FIGS. 1-4 .

In this embodiment, the touch electronic switch includes: a casing 1 , a first circuit board 2 , a first isolation plate 3 and a control module 4 , and the first circuit board 2 , the first isolation plate 3 and the control module 4 are located in the casing 1, the first circuit board 2 is electrically connected to the control module 4; at least one touch sensing module is arranged on the first circuit board 2, and the first circuit board 2 receives the touch signal transmitted by the touch sensing module and sends the touch The signal is transmitted to the control module 4; the isolation board 3 is arranged between the first circuit board 2 and the control module 4 to realize electromagnetic isolation between the first circuit board 2 and the control module 4; the control module 4 is provided with an induction processing The circuit, the switch control circuit, and the induction processing circuit receive the touch signal, and send the switch control signal generated according to the touch signal to the switch control circuit, so that the switch control circuit controls the on-off of the controlled circuit according to the switch control signal.

In this embodiment, the housing 1 includes a front case 11 and a bottom case 12 , the front case 11 is snap-connected with the bottom case 12 , and the bottom of the control module 4 is snap-connected with the bottom case 12 .

In a specific embodiment, the surface case 11 is rectangular, the edge extends toward the direction close to the bottom case 12 to form a side wall, the inner side of the side wall is provided with a groove, and the groove and the edge of the bottom case 12 are snapped together to form a accommodating The cavity of the first circuit board 2 and the control module 4 .

In this embodiment, the first circuit board 2 is an FPC (Flexible Printed Circuit, flexible circuit board), and the installability of the touch sensing module 21 is improved by providing a flexible circuit board, which is convenient to adapt to switch control circuits with different numbers of circuits .

In a specific embodiment, the number of touch sensing modules 21 may be one, two, three, four and other numbers.

In this embodiment, in order to facilitate the user to use the touch sensing module 21 and the face case 11 , a light-diffusing sheet 5 is provided, and the light-diffusing sheet 5 improves the light emitting effect of the light emitting device on the face case 11 .

The touch electronic switch further includes a connector, one end of the connector is connected to the first circuit board 2 , and the other end of the connector is connected to the induction processing circuit in the control module 4 through the isolation plate 3 .

In this embodiment, the connector may be an elastic sheet, a Pogo Pin, a wire, or other conductive devices capable of electrically connecting the first circuit board 2 and the second circuit board 41 .

In a specific embodiment, the connector is an elastic thimble. One end of the elastic thimble is connected to the sensing processing circuit, and the other end is inserted into the connection port of the touch sensing module 21. By setting the elastic thimble, the reliability of the connector is improved, and the anti-interference is improved. strong ability.

In this embodiment, the number of touch sensing modules is the same as the number of connectors, and they are connected in one-to-one correspondence.

In a specific embodiment, the number of controlled circuits connected to the touch electronic switch is four, and the number of touch sensing modules 21 and connectors are also four. On-off control.

In this embodiment, the control module 4 includes a second circuit board 41 , the induction processing circuit is disposed on the second circuit board 41 , and the control module 4 is connected to the first circuit board 2 through the induction processing circuit.

In this embodiment, the second circuit board 41 is further provided with a communication circuit, and the second circuit board 41 is connected to the network through the communication circuit.

In a specific embodiment, the second circuit board 41 is provided with a wireless communication circuit, and the wireless communication circuit communicates with the Internet through Zigbee, Bluetooth, Wifi and other wireless protocols to realize remote control.

In this embodiment, the control module 4 further includes a third circuit board 43 , and the third circuit board 43 is disposed on one side of the second circuit board 41 and is far from the first circuit board 2 relative to the second circuit board 41 .

The inner shape of the bottom case 12 matches the planar shape of the third circuit board 43 , and the inner side of the bottom case 12 is further provided with a plurality of protrusions extending away from the bottom case 12 , and the third circuit board is connected to the third circuit board through the protrusions. 43 is fixed in the bottom case 12 in a snap-fit manner.

In this embodiment, the bottom case 12 is further provided with a plurality of heat dissipation holes 121 , the heat dissipation holes 121 communicate with the inside of the bottom case 12 , and heat dissipation is performed through the heat dissipation holes 121 .

The control module 4 further includes an insulating plate 42 disposed between the second circuit board 41 and the third circuit board 43 and matching the shape of the third circuit board 43 , and the second circuit board 41 is protected by the insulating plate 42 . The insulating plate 42 is clamped with the inner side of the bottom case 12 to be fixed in the bottom case 12 .

The switch control circuit includes a relay, and the relay is arranged on the side of the third circuit board 43 away from the second circuit board 41 , and the on-off of the controlled circuit is controlled by the relay. The relay is arranged on the side of the third circuit board 43 away from the second circuit board 41 .

In this embodiment, a power supply circuit is further provided on the third circuit board 43 , the third circuit board 43 is electrically connected to the second circuit board 41 , and supplies power to the second circuit board 41 through the power supply circuit.

In a specific embodiment, in order to protect the touch electronic switch, a chip fuse is provided in the power supply circuit to prevent the electronic switch from being damaged by excessive current or voltage.

In this embodiment, the side of the third circuit board 43 away from the second circuit board 41 is provided with the input port of the external power supply and the connection port of the controlled circuit, and the external power supply and the controlled circuit are connected to the touch through the input port and the connection port respectively electronic switch. Wherein, the power supply circuit is connected with an external power source to obtain electric energy.

In a specific embodiment, the bottom case 12 is provided with a connection hole corresponding to the input port and the connection port, and a fixing hole for fixing the input port and the connection port. The connection holes are arranged side by side on one side of the bottom case 12 .

Beneficial effects: the touch electronic switch of the present invention separates the first circuit board on which the touch sensing module is placed and the control module, and sets an isolation plate between the two to prevent the human body from directly contacting the second circuit board during installation, enhancing the Safety; the occupied area is reduced by the separate setting and the snap-on structure, and there is no need to make a lot of changes to the circuit of the control module for switches with different numbers of channels, which reduces the design cost, reduces the consumption of manpower and material resources, and can avoid The interference of the control module to the touch sensing module improves the working stability and effectiveness of the switch.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A touch electronic switch, comprising: the circuit board comprises a shell, a first circuit board, a first isolation plate and a control module, wherein the first circuit board, the first isolation plate and the control module are arranged in the shell, and the first circuit board is electrically connected with the control module;

the first circuit board is provided with at least one touch sensing module, and receives a touch signal transmitted by the touch sensing module and transmits the touch signal to the control module;

the isolation plate is arranged between the first circuit board and the control module and used for realizing electromagnetic isolation between the first circuit board and the control module;

the control module is provided with an induction processing circuit and a switch control circuit, the induction processing circuit receives the touch signal and sends a switch control signal generated according to the touch signal to the switch control circuit, so that the switch control circuit controls the on-off of a controlled circuit according to the switch control signal.

2. The touch electronic switch of claim 1, further comprising a connector, one end of the connector being connected to the first circuit board, the other end of the connector passing through the isolation board and being connected to the sensing processing circuit in the control module.

3. The touch electronic switch of claim 2, wherein the number of the touch sensing modules is the same as the number of the connectors, and the touch sensing modules are connected in a one-to-one correspondence.

4. The touch electronic switch of claim 1, wherein the control module comprises a second circuit board on which the sensing processing circuit is disposed, the control module being connected to the first circuit board through the sensing processing circuit.

5. The touch electronic switch of claim 4, wherein the second circuit board further comprises a communication circuit, and the second circuit board is connected to a network via the communication circuit.

6. The touch electronic switch of claim 4, wherein the control module further comprises a third circuit board disposed on a side of the second circuit board and remote from the first circuit board relative to the second circuit board.

7. The touch electronic switch of claim 6, wherein the control module further comprises an insulating plate disposed between the second and third circuit boards and shaped to mate with the third circuit board.

8. The touch electronic switch of claim 7, wherein the switch control circuit comprises a relay, the relay is disposed on a side of the third circuit board away from the second circuit board, and the relay controls the controlled circuit to be turned on or off.

9. The touch electronic switch of claim 6, wherein a power supply circuit is further disposed on the third circuit board, and the third circuit board is electrically connected to the second circuit board and supplies power to the second circuit board through the power supply circuit.

10. The touch electronic switch of claim 1, wherein the housing comprises a front shell and a bottom shell, the front shell is snap-fit connected with the bottom shell, and the bottom of the control module is snap-fit connected with the bottom shell.

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