Please select the most similar patent number from A, B, C and D. Which number is?
An ultraviolet fluid treatment device, comprising a tube body (11), two or more than two ultraviolet lamps (6, 7) of different types and/or power, quartz sleeve tubes (8, 9), an ultraviolet intensity sensor assembly (12), and a control system; the ultraviolet lamps of different types and/or power comprise a medium-pressure multi-spectral ultraviolet lamp (7), a low-pressure ultraviolet lamp (6), or an excimer ultraviolet lamp; the ultraviolet intensity sensor assembly (12) monitors the intensity of the emitted light of the ultraviolet lamps in real time and feeds back same to the control system; on the basis of the feedback signals, the control system automatically regulates the power of the ultraviolet lamps and raises an alarm when the intensity is insufficient, and can also automatically regulate the power when the flow is insufficient or in special usages, or switch off a specific lamp to adaptively adjust the system power, greatly increasing working efficiency.
A: An ultraviolet disinfection lamp, comprising a lamp holder (1) and a lampshade (2) connected to each other, and a plurality of ultraviolet lamp tubes (3) provided in the lampshade (2). The end of the lamp holder (1) connected to the lampshade (2) is provided with a protrusion (4). A communication hole (10) communicating with the interior of the lamp holder (1) is provided in the protrusion (4). A plurality of positioning holes (5) are arranged on the protrusion (4) around the circumference of the communication hole (10). The end of the lampshade (2) connected to the lamp holder (1) is provided with a bottom cover (6) covering the protrusion (4). The bottom cover (6) is provided with a first through hole (12) correspondingly communicating the communication hole (10) and a plurality of penetrating holes (7) correspondingly communicating with the positioning holes (5). The ultraviolet lamp tubes (3) extend into the lamp holder (1) through the first through hole (12) and the communication hole (10). The bottom cover (6) is provided with a plurality of support rods (8) arranged around the ultraviolet lamp tubes (3). One end of the support rods (8) extends into the positioning holes (5) through the penetrating holes (7) and is connected to the protrusion (4), and the other end is connected to a top cover (9) covering the tops of the ultraviolet lamp tubes (3). The end of the top cover (9) facing the ultraviolet lamp tubes (3) is provided with a protective ring (11) disposed around the ultraviolet lamp tubes (3). According to the ultraviolet disinfection lamp, the lampshade is easy to install, the bulb replacement is very convenient, and the overall structure of the lamp is simple.
B: Provided are an ultraviolet sterilization lamp device (200) and a sterilization apparatus. The ultraviolet sterilization lamp device (200) comprises a housing (10) having an installation cavity and a ventilation opening (13), an ultraviolet lamp (30) provided in the installation cavity, a TEC module (81) for actively absorbing heat of the ultraviolet lamp (30), a heat dissipation module (82) for heat dissipation of the TEC module (81), a fan (83) for ventilation for the installation cavity through the ventilation opening (13), and a light-transmitting cover (60) for encapsulating the ultraviolet lamp (30) in the installation cavity. Light emitted from the ultraviolet lamp (30) is transmitted outwards through the light-transmitting cover (60). By means of providing the TEC module (81), the heat dissipation module (82) and the fan (83), heat dissipation can be effectively carried out for the high-power ultraviolet lamp (30). Moreover, the heat dissipation structure is very simple, and the ultraviolet lamp (30) can be dimensioned to be smaller than that in the prior art, so that the ultraviolet sterilization lamp device (200) is compact and small in overall structure, thereby satisfying requirements for the application thereof in some structures with limited space.
C: A floor-type ultraviolet germicidal lamp, comprising a movable base (1) and a lamp body (2) provided on the movable base (1). The lamp body (2) comprises an ultraviolet lamp tube and a main control board electrically connected to the ultraviolet lamp tube; a plurality of human body sensors (21) electrically connected to the main control board are provided in the circumferential direction of the lamp body (2); the ultraviolet lamp tube is vertically provided in the lamp body (2); an upper cover (22) and a lower cover (23) are respectively provided at the upper and lower ends of the ultraviolet lamp tube; the movable base (1) comprises a base (11) and a connection rod (12) that are connected; the connection rod (12) is connected to the lower cover (23); a plurality of supporting legs (13) that are radially arranged are provided on the base (11); and universal wheels (15) are respectively provided at the ends of the supporting legs (13) distant from the base (11). The floor-type ultraviolet germicidal lamp can slide along each direction, and the human body sensors (21) are arranged, thereby being capable of preventing a human body from being damaged by ultraviolet rays.
D: A seawater treatment system, comprising a sea chest valve box (1), a ballast water valve box (2), a ballast pump (3), an ultraviolet treatment device (5), a control device (4), a constant current output device (6), and a metal electrode (7). The ballast pump (3) is used for outputting an operation signal. The control device (4) is used for controlling, when receiving the operation signal, the ultraviolet treatment device (5) to be connected to an external power supply (9). The ultraviolet treatment device (5) is used for generating ultraviolet to kill marine organisms. The control device (4) is further used for cutting a connection between the ultraviolet treatment device (5) and the external power supply (9) when the operation signal is interrupted, and controlling the constant current output device (6) to be connected to the external power supply (9). The constant current output device (6) is used for outputting a current signal to the metal electrode (7). The metal electrode (7) is used for releasing metal ions to kill or expel the marine organisms. Also disclosed is a seawater treatment control method.
Answer: D