Broadcasting outdoor loudspeaker for building construction site

• Main Authors: LI SHIZHAO, XU JINGCUN, LI SHINING
• Format: Patent
• Language: Chinese; English
• Published: 07.01.2022
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS; PUBLIC ADDRESS SYSTEMS

The utility model relates to the technical field of building construction, and discloses a broadcast outdoor loudspeaker for a building construction site, which comprises a composite box, a movable plate is arranged on the inner side of the bottom of the composite box, reset parts are arranged inside the two sides of the movable plate, and the bottom surfaces of the reset parts are fixedly connected with walking wheels. A pumping part is arranged in one side of the top of the composite box, a hollow cooling box is fixedly mounted at the top of one side of the pumping part, a wireless loudspeaker is arranged on the inner side of the middle of the hollow cooling box, and a sealing plate is fixedly connected to the reverse side of the wireless loudspeaker. According to the utility model, the composite box, the pumping component, the hollow cooling box, the hollow supporting rod, the transition connecting rod piece and the liquid outlet valve pipe are matched to form a circulating cooling device, so that an effic