Heating module for recreational vehicles

A heating module for recreational vehicles, comprising:

• a heat exchanger;
• a heating water inlet of the heating module;
• a heating water outlet of the heating module;
• and
• a cold water inlet of the heating module;
• wherein an inlet end of the heat exchanger communicates with the heating water inlet of the heating module;
• a side of the heat exchanger is provided with a fan;
• the fan is configured to generate an air flow to carry heat generated by the heat exchanger to an interior of a recreational vehicle;
• and the heating water inlet of the heating module communicates with a water outlet of a vehicle-mounted water heater;
• the heating water outlet of the heating module communicates with an outlet end of the heat exchanger, and a water pump is provided on a pipeline between the heating water outlet of the heating module and the outlet end of the heat exchanger;
• and
• the cold water inlet of the heating module is configured to communicate with a tap water source or a water storage tank of the recreational vehicle;
• the cold water inlet of the heating module communicates with the heating water outlet of the heating module;
• the heating water outlet of the heating module communicates with a water inlet of the vehicle-mounted water heater;
• and a water flow sensor is provided on the cold water inlet of the heating module.