Water heater and control method thereof

A control method and water heater technology, applied in the field of kitchen and bathroom appliances, can solve the problems of inability to self-recover, the user cannot use the WIFI function of the water heater, the link is disconnected, etc., and achieves the effect of a simple and reliable control method.
CN104101100AInactive Publication Date: 2014-10-15WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD
Publication Date
2014-10-15
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a water heater which comprises a controller, an interface and a WIFI (Wireless Fidelity) module, wherein the controller at least comprises a sending pin, a receiving pin, an enabling pin, a power supply pin and a grounding pin; the WIFI module comprises a power supply end, a grounding end, a data sending end and a data receiving end; the data sending end is connected with the receiving pin by a first end of the interface; the data receiving end is connected with the sending pin by a second end of the interface; the grounding end is grounded by a third end of the interface; the power supply end is connected with the enabling pin by a fourth end of the interface; the WIFI module sends heartbeat data packets to the controller at intervals of preset time; the controller judges whether the heartbeat data packets are received and outputs a control signal to control the WIFI module to be reset by the enabling pin if the heartbeat data packets are not received. According to the invention, power supply of the WIFI module is controlled by the enabling pin of the controller, so that under the condition that the WIFI module is crashed, the WIFI module can be controlled to be reset. The invention also discloses a control method of the water heater.
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Description

technical field

[0001] The invention relates to the technical field of kitchen and bathroom appliances, in particular to a water heater and a control method thereof. Background technique

[0002] At present, generally, the interface connection mode between the main control chip of the water heater and the WIFI module is a 4-core connection, which are respectively power supply, ground, sending data line, and receiving data line. like figure 1 As shown, among them, TXD is the sending data line, RXD is the receiving data line, and 5V is the power supply. That is to say, the power supply of the WIFI module is synchronized with that of the main control chip. If the main control chip has power, the WIFI module has power.

[0003] Generally speaking, the WIFI module board uses an ARM chip and a wireless transmission module, and a small operating system usually runs inside the ARM chip. The disadvantage of the existing connection method is: once the WIFI module fails in the norma...

Claims

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