A multifunctional central suction system capable of remote monitoring, comprising a flow measurement device and a controller, wherein a negative pressure port of the flow measurement device is connected to a negative pressure air nozzle of the controller via a gas pipe, the flow measurement device comprises a measurement mechanism and a liquid bottle, the negative pressure port is arranged on the liquid bottle;
- the measurement mechanism is provided with a first BLUETOOTH® communication module, a communication module comprising a second BLUETOOTH® communication module and a Wi-Fi® communication module is provided in the controller;
- the first BLUETOOTH® communication module on the measurement mechanism is in communication connection with the second BLUETOOTH® communication module in the controller;
- wherein the controller comprises a housing, a pressure detection control module, a second CPU, a second display module and a key module for operating the controller;
- a negative pressure inlet and an oxygen inlet are provided sequentially on a wall of a rear housing of the housing;
- and an oxygen outlet and a negative pressure outlet are provided sequentially on a bottom of the housing;
- the pressure detection control module is provided in the housing, various corresponding electromagnetic valves of the pressure detection control module are connected to the negative pressure inlet, the oxygen inlet, the negative pressure outlet and the oxygen outlet via a pipe, respectively;
- the pressure detection control module, the second display module and the key module are respectively connected to the second CPU arranged inside the housing, the second display module is embedded into a front end surface of a front housing of the housing, the key module is arranged below the second display module on the front housing;
- wherein the central suction system further comprises an electronic overflow-proof module, the electronic overflow-proof module comprises an overflow-proof device, an electrode circuit board, electrodes, and an overflow-proof bottle, the overflow-proof device is arranged at the negative pressure outlet, two electrodes are mounded on the overflow-proof device and connected with the electrode circuit board, the electrode circuit board is connected to the second CPU, and the overflow-proof bottle covering an exterior of the electrodes is arranged at the negative pressure outlet, a negative pressure air nozzle is provided on a bottle body of the overflow-proof bottle via a sealing device;
- wherein the central suction system further comprises a second alarm module, the second alarm module comprises an LED light covered by the overflow-proof bottle and a buzzer in the housing, and the LED light and the buzzer are both connected to the second CPU;
- wherein the measurement mechanism of the flow measurement device comprises a base, a weighing monitoring unit, a bracket and a battery, the weighing monitoring unit is powered by the battery arranged in the base, a weighing sensor of the weighing monitoring unit is provided on the base, the bracket is provided above the weighing sensor, and baffle plates are evenly and circumferentially disposed at an interval on an upper end surface of a bracket body of the bracket, an area surrounded by the baffle plates forms a mounting area for the liquid bottle, the liquid bottle is mounted in the mounting area;
- and
- wherein the base is a groove-type base, a guard plate protruding upward is provided at a first side in a groove of the groove-type base, the weighing sensor is provided at a second side opposite to the first side in the groove and is arranged perpendicularly to the guard plate in a plane, and a height of the weighing sensor is higher than a height of the guard plate.