| CPC H05B 47/115 (2020.01) [H01H 9/02 (2013.01)] | 14 Claims |

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1. A touch light switch comprising a first assembly (1) and a second assembly (2) that is detachably mounted on the first assembly (1); wherein the first assembly (1) comprises a shell (3), a power supply printed circuit board assembly (4), and a control printed circuit board assembly (5) that are arranged in the shell (3); wherein the shell (3) comprises a base (6) and a mounting pad (7); wherein the power supply printed circuit board assembly (4) comprises a voltage converters unit having two converters (29, 30); wherein the second assembly (2) comprises a touch display panel (11) and a touch printed circuit board assembly (12) that is connected to the touch display panel, and that is electrically connected to the control printed circuit board assembly (4) that is, in turn, electrically connected to the power supply printed circuit board assembly (4); wherein the touch printed circuit board assembly (12) comprises a touch area (13); wherein the second assembly (2) is detachably mounted on the first assembly (1) by a frame (8) that is attached along a circumference of the mounting pad (7) of the shell (3); wherein the mounting pad (7) comprises receiving recesses (18), and the frame (8) comprises attachment tools configured to fix to the touch display panel (11) that comprises touch areas formed as separate buttons; wherein the power supply printed circuit board assembly (4) comprises a power supply commutation relay unit (20) that is configured to change a number and a type of channels, a power supply connection terminals unit (21), an energy accumulation unit having a main energy accumulation module (22) and an additional energy accumulation module (23), a voltage stabilizer (24), a fuse (25), a current shunt (26), a differential amplifier (27), and a transistor (28); wherein the voltage converters unit is provided with two converters for a passive state (29) and for an active state (30) of the relay contacts of the power supply commutation relay unit (20), respectively; wherein the converter (29) for the passive state of the relay of the power supply commutation relay unit (20) is a low-power impulse converter having a designed transformer and a feedback assembly; and the power supply printed circuit board assembly (4) is connected, by means of connectors (31), to the control printed circuit board assembly (5) that comprises a microcontroller unit (32) having an embedded radio module, a balancing device unit (33), an anti-electrostatic interferences unit (34), a memory unit (35), a touch display panel areas adjustment unit (36) and an illumination and indication LEDs unit (37), as well as areas (38) for providing an electrical connection to the touch printed circuit board assembly (12), and recesses (40) that are provided along a circumference of the control printed circuit board (5); wherein the base (6) of the shell (3) is covered with a flat cap (41) having protrusions (42) provided along its circumference, and the protrusions have hooks configured to fix the cap (41) on an inner surface of the base (6) so as to enable clamping of the power supply printed circuit board (4) and the control printed circuit board (5), and protruding lenses (43) for the LEDs and openings (44) are provided in a central part of the cap (41); wherein the second assembly (2) further comprises a light guide (14) having recesses (15), attachment tools (16) configured to attach to the frame (8), and openings (17); wherein the touch printed circuit board assembly (12) that is arranged between the light guide (14) and the touch display panel (11) comprises openings (45), antenna pogo pins (46), and touch area (13) electrodes pogo pins (47) unit; wherein the antenna (48) is configured as a track on the touch printed circuit board (12), while the touch area (13) is configured as most of an area of the touch printed circuit board (12); wherein at least two electrodes pogo pins (47) of the touch area (13) are arranged in a central part of the touch printed circuit board (12), while at least two antenna pogo pins (46) are arranged on a diagonal of the touch printed circuit board (12), and said pogo pins (46, 47) come in contact with corresponding areas (38) of the control printed circuit board assembly (5) via the corresponding openings (17) provided in the light guide (14) and in the cap (41); and wherein the touch display panel (11) comprises attachment tools configured to attach to the frame (8) and attachment tools configured to attach to the mounting pad (7), which pass through said openings (45) provided in the touch printed circuit board assembly (12) and in the light guide (14), and are fixed in the receiving recesses (18).
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