▎ 摘　　要

NOVELTY - The module has a third circuit board (5) located at the back end of a housing (1) and located in front of a second circuit board (4) electrically connected with the second circuit board through a second data connecting line. The third circuit board comprises a first light supplementing lamp (52) and a second light supplementing lamp (53). A first lens assembly (31) is arranged in a first lens region (11). A second lens assembly (44) is set in a second lens area. A second lens connector (42) is fixed on the second circuit board. The first light supplementing lamp and the second light supplementing lamp respectively set in a first light supplementing area (13) and a second light supplementing area (14). An aiming component (43) is set in an aiming area (15). The front of the aiming component is provided with a sighting lens (151). The aiming lens is double faced AR film toughened glass. The included angle of the aiming lens and a front panel (2) is 15degrees. USE - Dual-shot bar code reading module. ADVANTAGE - The double-shot bar code reading module uses a double-lens assembly, the readable depth range is enlarged. The space utilization rate is maximized, the volume of the module group is reduced. The heat dissipation efficiency is improved and the overheating of the equipment is avoided. The data transmission and signal control are performed through the data connection line. The problem of over-high temperature of single circuit board load is reduced and the problem of secondary reflection aiming point is solved. The target distance is judged by the proportion value of the aiming pattern in the full image, so as to invoke the corresponding lens to obtain the target image, the distance measuring method is simple and efficient. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a bar code reading method. DESCRIPTION OF DRAWING(S) - The drawing shows a perspective view of the dual-shot bar code reading module. Housing (1) Front panel (2) First circuit board (3) Second circuit board (4) Third circuit board (5) Lens foam (7) Screw (8) First lens area (11) Second lens area (12) First light supplementing region (13) Second light supplementing area (14) Aiming area (15) First lens window (21) Second lens window (22) First light supplementing window (23) Second light supplementing window (24) Aiming window (25) First lens assembly (31) Processor (32) Second lens connector (42) Aiming component (43) Second lens assembly (44) First fill light (52) Second fill light (53) Heat conducting silica gel (61) Graphene radiating film (62) Heat dissipation plate (63) First light supplementing lens (131) Second light supplementing lens (141) Aiming lens (151)