Portable water heater

A portable water heater, comprising:

• an inner bracket;
• a controller;
• and
• a thermostatic chamber;
• wherein a burner and a heat exchanger are arranged in the inner bracket;
• an upper end of the heat exchanger is provided with a fume collecting hood;
• the burner comprises a plurality of fire rows arranged side by side;
• the plurality of fire rows are connected to each other through a gas distributing rod;
• the gas distributing rod is provided with a segmented valve and an inlet connector connected to a gas inlet pipe;
• a gas-regulating valve is provided on the gas inlet pipe;
• and an end of the gas inlet pipe is connected with a portable gas cylinder;
• the controller is electrically connected with the segmented valve and the gas-regulating valve;
• a water inlet end of an internal heat-exchanging pipe of the heat exchanger is communicated with a cold water feeding pipe;
• an outer side of the heat exchanger is provided with a hot water delivering pipe connected to an outlet end of the internal heat-exchanging pipe;
• the thermostatic chamber is provided with a water inlet connected to the hot water delivering pipe and a water outlet connected to a hot water discharging pipe;
• and a connecting pipe is provided between the cold water feeding pipe and the hot water delivering pipe;
• and
• two sides of the inner bracket are each screwedly provided with a side panel;
• a front side of the inner bracket is provided with a front panel, and a back side of the inner bracket is provided with an air-inlet rear cover;
• a top of the inner bracket is provided with a top cover;
• two sides of a lower end of the top cover are each screwedly connected with an upper air-inlet grille;
• a lower side of the inner bracket is provided with a base, and two sides of an upper end of the base are each screwedly connected with a lower air-inlet grille;
• the side panel is provided with a plurality of slots;
• and the front panel, the air-inlet rear cover, the upper air-inlet grille, and the lower air-inlet grille are each provided with a clamping plate on a side towards the inner bracket, and the clamping plate is configured to be inserted into a corresponding one of the plurality of slots for clamping connection.