CN210431383U

CN210431383U - Be suitable for light touch dimmer switch of many mounting means

Info

Publication number: CN210431383U
Application number: CN201921100444.7U
Authority: CN
Inventors: 羊红军; 施浩
Original assignee: Shenzhen Shenchuan Technology Co ltd
Current assignee: Shenzhen Shenchuan Technology Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-04-28
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a light-touch dimmer switch suitable for multiple installation modes, which comprises a shell, an inner rubber shell, a PCBA board and a bottom cover; a plurality of fixing columns are arranged on the bottom cover, and first through holes are formed in the inner rubber shell and the PCBA board corresponding to the fixing columns; the PCBA board and the inner rubber shell are sleeved on the fixed columns through first through holes in sequence and are connected with the bottom cover into a whole; a metal spring and an LED indicator lamp D2 are arranged between the inner rubber shell and the PCBA, and the metal spring and the LED indicator lamp D2 are respectively and electrically connected with the PCBA; the top of the inner rubber shell is also provided with an elastic pressing part, the other end of the metal spring is arranged at the lower end of the elastic pressing part, and the brightness of the LED indicator lamp D2 can be diffused outwards through the pressing part; the shell is of a hollow structure, the shell is fixedly connected with the bottom cover in a buckling mode, and the inner rubber shell, the PCB and the bottom cover are sleeved inside the shell.

Description

Be suitable for light touch dimmer switch of many mounting means

Technical Field

The utility model relates to a switch field especially relates to a be suitable for touching light modulating switch of many mounting means.

Background

The touch switch is used as a product for scientific and technological development and intelligent household promotion, and has the advantages that the traditional mechanical key switch is changed, and an intelligent household article realized by applying a touch sensing chip principle is replaced; however, most of the existing touch switches have low working reliability and anti-interference performance on structures and circuits, are often complex in structure and large in size, adopt an integrally embedded installation mode during installation, and once a product is damaged and needs to be overhauled, the integral disassembly and assembly are needed, so that the appearance is influenced, and time and labor are wasted; and there is a similar problem with the conventional push button switch in that it is not easy to find in dark environment.

Therefore, with the deep development of intellectualization, products which are more intelligent, have stronger functions, are practical and more beautiful become the development trend and target of each research and development team, and the products are certainly popular in the market.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a switch, especially a light touch dimmer switch suitable for multiple installation modes is provided.

The technical scheme of the utility model as follows: a light-touch dimmer switch applicable to multiple mounting modes comprises a shell, an inner rubber shell, a PCBA board and a bottom cover; a plurality of fixing columns are arranged on the bottom cover, and first through holes are formed in the inner rubber shell and the PCBA board corresponding to the fixing columns; the PCBA board and the inner rubber shell are sleeved on the fixed columns through first through holes in sequence and are connected with the bottom cover into a whole; a metal spring and an LED indicator lamp D2 are arranged between the inner rubber shell and the PCBA, one end of the metal spring is electrically connected with the PCBA, and the LED indicator lamp is electrically connected with the PCBA; the top of the inner rubber shell is also provided with an elastic pressing part, the other end of the metal spring is arranged at the lower end of the elastic pressing part, and the brightness of the LED indicating lamp can be diffused outwards through the pressing part; the shell is of a hollow structure, a plurality of clamping grooves are formed in the outer side of the shell, a plurality of buckles are arranged on the bottom cover corresponding to the clamping grooves, and the inner rubber shell, the PCB and the bottom cover are sleeved in the shell and are fixed in the clamping grooves through the buckles.

Preferably, a touch cover is further arranged in the housing, and the touch cover is arranged above the pressing part; the touch cover is provided with a convex block which is used for pressing the pressing part; the pressing part is made of plastic materials.

Preferably, the bottom cover is further provided with a second through hole; the circuit input end of the PCBA board is electrically connected with an external power supply wiring terminal through the second through hole.

Preferably, a touch control circuit is arranged on the PCBA board; the touch control circuit comprises a voltage stabilizing circuit, a main control circuit and an LED control circuit; the input end of the voltage stabilizing circuit is electrically connected with the power supply wiring terminal, and the output end of the voltage stabilizing circuit is used for providing working voltage for the main control circuit and the LED control circuit.

Preferably, the main control circuit is connected with one end of the metal spring; the main control circuit presses the metal spring through the pressing part to generate a touch signal and outputs control voltage through the LED control circuit; and the output end of the LED control circuit is electrically connected with an external LED lamp.

Preferably, the voltage stabilizing circuit comprises a voltage input end Vin, a voltage output end Vin-, a resistor R1, a resistor R3 and a voltage stabilizing diode D1; the voltage input end Vin is connected with 12/24V voltage, and the voltage output end Vin-is grounded; the cathode of the voltage stabilizing diode D1 is connected with a voltage input end Vin, and the anode of the voltage stabilizing diode D1 is connected with a voltage output end Vin-; a resistor R1 is connected in series between the voltage input terminal Vin and the zener diode D1.

Preferably, the main control circuit comprises a touch IC and a capacitor C2; the metal spring is electrically connected with the TSP end of the TOUCH IC through the TOUCH input end TOUCH; the CS end of the touch IC is connected with a capacitor C2 in series and then grounded; and the PWM1 end of the touch IC is electrically connected with the input end of the LED control circuit.

Preferably, the model of the touch IC is SJT 8003.

Preferably, the LED control circuit comprises a bleeder resistor R2, two parallel NMOS transistors Q1, Q2; the PWM1 end of the touch IC at the input end of the bleeder resistor R2 is electrically connected, and the output end of the bleeder resistor R2 is grounded; the input ends of the two parallel NMOS transistors Q1 and Q2 are connected with the PWM end of the touch IC, and the output ends Vout-of the two parallel NMOS transistors Q1 and Q2 are connected with an external load; the bleeder resistor R2 is used for preventing the NMOS tube from electrostatic breakdown and discharging to the inner junction capacitor of the NMOS tube, so that the NMOS tube is protected; the mode of connecting two NMOS tubes in parallel is adopted, mainly to increase the capacity with load.

Preferably, the light-touch dimmer switch suitable for multiple mounting modes further comprises a mounting plate and a mounting seat; all be equipped with a mounting hole on mounting panel, the mount pad, the shell cover is in the mounting hole of mounting panel or mount pad, just mount pad and shell are threaded connection.

Adopt above-mentioned scheme, the utility model discloses beneficial effect is:

the utility model has simple and compact integral structure, beautiful appearance and strong practicability; by arranging the LED indicating lamp, a user can quickly find the touch switch in a dark environment and can play a role of a night lamp; the mounting mode of the concealed installation of the utility model can be realized by directly installing the shell on the mounting plate or the wall surface, and the damage of the mounting plate or the wall surface can be effectively reduced, thus the concealed installation is more beautiful; the mounting mode of the open installation of the utility model can be realized through the matching mounting of the shell and the mounting seat, and the appearance is elegant; the installation operation is simple, the device can be arranged in various scenes, and the device is convenient to disassemble and assemble and easy to maintain;

in the circuit structure, the circuit structure is simple, but the functions and the modes are complete, and meanwhile, the circuit structure is integrated on a smaller PCBA board, so that the occupied space is small, and the reduction of the product volume is facilitated; by arranging the two NMOS tubes and the bleeder resistor which are connected in parallel, the load intensity of the circuit is effectively enhanced, the NMOS tubes are effectively protected, and the NMOS protection circuit has the advantages of long service life, high working stability, strong anti-interference capability and strong reliability.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is an assembly view of the structure of the present invention;

FIG. 3 is an exploded view of another embodiment of the present invention;

FIG. 4 is an assembly view of another structure of the present invention;

FIG. 5 is an assembly view of another structure of the present invention;

fig. 6 is a circuit diagram of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;

as shown in fig. 1 to 6: the embodiment provides a light-touch dimming switch applicable to multiple mounting modes, which comprises a shell 1, an inner rubber shell 3, a PCBA (printed circuit board assembly) board 5 and a bottom cover 6; a plurality of fixing columns 62 are arranged on the bottom cover 6, and first through holes 62a are formed in the inner rubber shell 3 and the PCBA board 5 corresponding to the fixing columns 62; the PCBA board 5 and the inner rubber shell 3 are sequentially sleeved on the fixing columns 62 through first through holes 62a and are connected with the bottom cover 6 into a whole; a metal spring 4 and an LED indicator lamp D2 are further arranged between the inner rubber shell 3 and the PCBA board 5, one end of the metal spring 4 is electrically connected with the PCBA board 5, and the LED indicator lamp is electrically connected with the PCBA board; the top of the inner rubber shell 3 is also provided with an elastic pressing part 31, the other end of the metal spring 4 is arranged at the lower end of the elastic pressing part 31, and the brightness of the LED indicator light can be diffused outwards through the pressing part; the outer shell 1 is of a hollow structure, a plurality of clamping grooves 11 are formed in the outer side of the outer shell 1, a plurality of buckles 61 are arranged on the bottom cover corresponding to the clamping grooves 11, the inner rubber shell 3, the PCB and the bottom cover 6 are sleeved in the outer shell 1 and are clamped in the clamping grooves 11 through the buckles 61 to be fixed.

A touch cover 2 is further arranged in the shell 1, and the touch cover 2 is arranged above the pressing part 31; the touch cover 2 is provided with a convex block 21, and the convex block 21 is used for pressing the pressing part 31; the pressing portion 31 is made of plastic material.

The bottom cover 6 is also provided with a second through hole 62; the circuit input end of the PCBA board 5 is electrically connected with an external power supply wiring terminal 7 through the second through hole 62.

The PCBA board 5 is provided with a touch control circuit 10; the touch control circuit 10 comprises a voltage stabilizing circuit 101, a main control circuit 102 and an LED control circuit 103; the input end of the voltage stabilizing circuit 101 is electrically connected with the power supply wiring terminal 7, and the output end of the voltage stabilizing circuit 101 is used for providing working voltage by using the main control circuit 102 and the LED control circuit 103.

The main control circuit 102 is connected with one end of the metal spring 4; the main control circuit 102 presses the metal spring 4 through the pressing part 31 to generate a touch signal, and outputs a control voltage through the LED control circuit 103; the output end of the LED control circuit 103 is electrically connected with an external LED lamp.

The voltage stabilizing circuit 101 comprises a voltage input end Vin, a voltage output end Vin-, a resistor R1, a resistor R3 and a voltage stabilizing diode D1; the voltage input end Vin is connected with 12/24V voltage, and the voltage output end Vin-is grounded; the cathode of the voltage stabilizing diode D1 is connected with a voltage input end Vin, and the anode of the voltage stabilizing diode D1 is connected with a voltage output end Vin-; a resistor R1 is connected in series between the voltage input end Vin and the voltage stabilizing diode D1; the voltage stabilizing circuit 101 is used for stabilizing the voltage of 12V/24V at the voltage input end to 5V.

The main control circuit 102 comprises a touch IC and a capacitor C2; the metal spring 4 is electrically connected with the TSP end of the TOUCH IC through the TOUCH input end TOUCH; the CS end of the touch IC is connected with a capacitor C2 in series and then grounded, the CS end serves as a sensitivity adjusting end, and the touch sensitivity is controlled and adjusted by a capacitor C2; the PWM1 terminal of the touch IC is electrically connected to the input terminal of the LED control circuit 103, and the PWM1 terminal is electrically connected to the input terminal of the LED control circuit 103.

The type of the touch IC is SJT 8003.

The LED control circuit 103 comprises a bleeder resistor R2, two NMOS tubes Q1 and Q2 which are connected in parallel; the PWM1 end of the touch IC at the input end of the bleeder resistor R2 is electrically connected, and the output end of the bleeder resistor R2 is grounded; the input ends of the two parallel NMOS transistors Q1 and Q2 are connected with the PWM end of the touch IC, and the output ends Vout-of the two parallel NMOS transistors Q1 and Q2 are connected with an external load; the bleeder resistor R2 is used for preventing the NMOS tube from electrostatic breakdown and discharging to the inner junction capacitor of the NMOS tube, so that the NMOS tube is protected; the mode of connecting two NMOS tubes in parallel is adopted, mainly to increase the capacity with load.

The light-touch dimmer switch applicable to multiple mounting modes further comprises a mounting seat 8 and a mounting plate 9; all be equipped with a mounting hole on mount pad 8, the mounting panel 9, shell 1 cover is in the mounting hole of mount pad 8 or mounting panel 9, just mounting panel 9 is threaded connection with shell 1.

The working principle of the utility model is as follows:

as shown in fig. 1 to 6, the present invention can be installed on the installation base 8 to realize open installation according to the actual use requirement; can also be arranged in the mounting plate 9 or the wall surface for concealed installation; the use requirements under different scenes can be met, and the practicability is strong;

the SJT8003 serving as the touch IC has six working modes which can be selected; in this embodiment, the OPT1, OPT2, and OPT3 are respectively set to 0, 1, and 0, and then the operation mode of the touch IC is: when the touch is clicked (the touch duration is less than 550ms), the on-off control of the lamplight can be realized: clicking touch for the first time, and lighting; clicking again, and turning off the lamp; the circulation is carried out; the lighting and closing of the lamplight have no brightness buffer, and the initial brightness of the lighting of the lamplight is fixed to be the highest brightness;

when long press touch (the touch duration is more than 550ms), electrodeless brightness adjustment of lamplight can be realized: the first long-time pressing touch is performed, the brightness of the lamplight is gradually increased, the brightness of the lamplight stops at the corresponding brightness when the lamplight is loosened, and if the long-time pressing touch exceeds 2 seconds, the brightness of the lamplight does not change after reaching the maximum brightness; the light brightness is gradually reduced by long-time pressing touch again, the light brightness stops at the brightness corresponding to the loosening moment when the light brightness is loosened, and if the long-time pressing touch exceeds 2 seconds, the light brightness does not change after reaching the minimum brightness; and the process is circulated.

As shown in fig. 5, after the voltage input terminal Vin and the voltage output terminal Vin-are connected to the external power supply, the voltage regulator circuit 101 processes the external voltage of 12V or 24V through the zener diode D1, regulates the regulated voltage to 5V, and outputs 5V to the main control circuit 102 and the LED control circuit 103, where the main control circuit 102 and the LED control circuit 103 are both in the power-on standby state; at this time, the LED indicator D2 is in a normally on state, and in a dark environment, a user can easily find the pressing portion 31 of the touch switch for switching operation by the guidance of the LED indicator D2 through the light emitted from the pressing portion 31.

When a user presses the pressing part 31, the metal spring 4 is pressed and touched at the same time, the metal spring 4 transmits a received signal to a TSP pin end in the TOUCH IC through a TOUCH end of the TOUCH IC, changes a change of capacitance in the TSP pin, transmits the change signal to the LED control circuit 103 through a PWM1 end of the TOUCH IC after internal processing of the TOUCH IC, and transmits a control signal to an external LED lamp connected to an output end of the LED control circuit 103 after processing of the LED control circuit 103, thereby realizing on-off control of the LED lamp.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a be suitable for touching dimmer switch of many mounting means which characterized in that: comprises a shell, an inner rubber shell, a PCBA board and a bottom cover; a plurality of fixing columns are arranged on the bottom cover, and first through holes are formed in the inner rubber shell and the PCBA board corresponding to the fixing columns; the PCBA board and the inner rubber shell are sleeved on the fixed columns through first through holes in sequence and are connected with the bottom cover into a whole; a metal spring and an LED indicator lamp D2 are arranged between the inner rubber shell and the PCBA, one end of the metal spring is electrically connected with the PCBA, and the LED indicator lamp D2 is electrically connected with the PCBA; the top of the inner rubber shell is also provided with an elastic pressing part, the other end of the metal spring is arranged at the lower end of the elastic pressing part, and the brightness of the LED indicator light D2 can be diffused outwards through the pressing part; the shell is of a hollow structure, a plurality of clamping grooves are formed in the outer side of the shell, a plurality of buckles are arranged on the bottom cover corresponding to the clamping grooves, and the inner rubber shell, the PCB and the bottom cover are sleeved in the shell and are fixed in the clamping grooves through the buckles.

2. The light-touch dimmer switch applicable to multiple installation modes according to claim 1, wherein: the shell is also internally provided with a touch cover which is arranged above the pressing part; the touch cover is provided with a convex block which is used for pressing the pressing part; the pressing part is made of plastic materials.

3. The light-touch dimmer switch applicable to multiple installation modes according to claim 1, wherein: the bottom cover is also provided with a second through hole; the circuit input end of the PCBA board is electrically connected with an external power supply wiring terminal through the second through hole.

4. The light-touch dimmer switch applicable to multiple installation modes according to claim 1, wherein: the PCBA board is provided with a touch control circuit; the touch control circuit comprises a voltage stabilizing circuit, a main control circuit and an LED control circuit; the input end of the voltage stabilizing circuit is electrically connected with the power supply wiring terminal, and the output end of the voltage stabilizing circuit is used for providing working voltage for the main control circuit and the LED control circuit.

5. The light-touch dimmer switch applicable to multiple installation modes according to claim 4, wherein: the main control circuit is connected with one end of the metal spring; the main control circuit presses the metal spring through the pressing part to generate a touch signal and outputs control voltage through the LED control circuit; and the output end of the LED control circuit is electrically connected with an external LED lamp.

6. The light-touch dimmer switch applicable to multiple installation modes according to claim 5, wherein: the voltage stabilizing circuit comprises a voltage input end Vin, a voltage output end Vin-, a resistor R1, a resistor R3 and a voltage stabilizing diode D1; the voltage input end Vin is connected with 12/24V voltage, and the voltage output end Vin-is grounded; the cathode of the voltage stabilizing diode D1 is connected with a voltage input end Vin, and the anode of the voltage stabilizing diode D1 is connected with a voltage output end Vin-; a resistor R1 is connected in series between the voltage input terminal Vin and the zener diode D1.

7. The light-touch dimmer switch applicable to multiple mounting modes as claimed in claim 6, wherein the main control circuit comprises a touch IC, a capacitor C2; the metal spring is electrically connected with the TSP end of the TOUCH IC through the TOUCH input end TOUCH; the CS end of the touch IC is connected with a capacitor C2 in series and then grounded; and the PWM1 end of the touch IC is electrically connected with the input end of the LED control circuit.

8. The light-touch dimmer switch applicable to multiple installation modes according to claim 7, wherein: the type of the touch IC is SJT 8003.

9. The light-touch dimmer switch applicable to multiple installation modes according to claim 6 or 7, wherein: the LED control circuit comprises a bleeder resistor R2, two NMOS tubes Q1 and Q2 which are connected in parallel; the PWM1 end of the touch IC at the input end of the bleeder resistor R2 is electrically connected, and the output end of the bleeder resistor R2 is grounded; the input ends of the two parallel NMOS transistors Q1 and Q2 are connected with the PWM end of the touch IC, and the output ends Vout-of the two parallel NMOS transistors Q1 and Q2 are connected with an external load; the bleeder resistor R2 is used for preventing the NMOS tube from electrostatic breakdown and discharging to the inner junction capacitor of the NMOS tube, so that the NMOS tube is protected; the mode of connecting two NMOS tubes in parallel is adopted, mainly to increase the capacity with load.

10. The light-touch dimmer switch applicable to multiple installation modes according to claim 1, wherein: the device also comprises a mounting plate and a mounting seat; all be equipped with a mounting hole on mounting panel, the mount pad, the shell cover is in the mounting hole of mounting panel or mount pad, just mount pad and shell are threaded connection.