Water dispenser controller

Abstract

The utility model discloses a water dispenser controller, which belongs to the technical field of water drinking equipment and is characterized in that a compressor is electrically connected with the output end of a refrigeration branch circuit, and the driving input end of a heating plate is electrically connected with the output end of a heating branch circuit; the output end of the hot water outlet module is electrically connected with a submersible pump; the output end of the cold water outlet module is electrically connected with an ice water pump; the feedback output end of the ice water probe is electrically connected with the refrigeration temperature feedback input end of the MCU; the temperature feedback end of the heating plate is electrically connected with the heating plate temperature feedback input end of the MCU through serial port communication. The water dispenser controller solves the problems that an existing water dispenser is prone to excessive refrigeration to cause blockage of a water pipe and prone to excessive heating to cause scalding of a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to drinking water equipment technical field, especially a water dispenser controller. BACKGROUND

[0002] In recent years, with the continuous improvement of people's attention to health and life quality, as an important household appliance, water dispenser is increasingly entering our life and workplace, and the intelligent control system of water dispenser as a new technical innovation aims to provide more intelligent, convenient and comfortable drinking water experience.

[0003] But the traditional water dispenser generally only has refrigeration and heating function, but when the refrigeration is excessive, it will cause water icing and lead to the blockage of the outlet pipe, and when the heating is excessive, the overheated water is easy to scald the user. UTILITY MODEL CONTENT

[0004] In order to overcome the defects existing in the prior art, the utility model provides a water dispenser controller to solve the above problems.

[0005] The utility model solves technical scheme that its technical problem adopts: a water dispenser controller, including MCU, refrigeration and heating module, hot water outlet module, cold water outlet module, ice water probe, compressor and heating plate, the ice water probe with the compressor sets up in the cold water tank, the heating plate sets up in the hot water tank,

[0006] The refrigeration and heating module includes refrigeration branch circuit and heating branch circuit, the compressor is electrically connected with the output end of the refrigeration branch circuit, the input end of the refrigeration branch circuit is electrically connected with the compressor drive output end of the MCU, the drive input end of the heating plate is electrically connected with the output end of the heating branch circuit, and the input end of the heating branch circuit is electrically connected with the heating plate drive output end of the MCU.

[0007] The output end of the hot water outlet module is electrically connected with a submersible pump, and the input end of the hot water outlet module is electrically connected with the submersible pump drive output end of the MCU. The output end of the cold water outlet module is electrically connected with an ice water pump, and the input end of the cold water outlet module is electrically connected with the ice water pump drive output end of the MCU. The output port of the submersible pump and the output port of the ice water pump are communicated with the water outlet of the water dispenser.

[0008] The feedback output end of the ice water probe is electrically connected with the refrigeration temperature feedback input end of the MCU, and the temperature feedback end of the heating plate is electrically connected with the heating plate temperature feedback input end of the MCU through serial communication.

[0009] Preferably, the power supply further comprises a DC 24V input, a rectifier bridge DB, an adjustable voltage regulator LM and a three-terminal voltage regulator, the DC 24V input is electrically connected to the input end of the adjustable voltage regulator LM through the rectifier bridge DB, the output end of the adjustable voltage regulator LM forms a 12V voltage output end of the power supply, the output end of the adjustable voltage regulator LM is electrically connected to the input end VIN of the three-terminal voltage regulator, and the output end VOUT of the three-terminal voltage regulator forms a 5V voltage output end of the power supply.

[0010] Optionally, the refrigeration sub-circuit comprises an NPN transistor Q2 and a relay KJ2, the compressor drive output end of the MCU is electrically connected to the base of the NPN transistor Q2, the emitter of the NPN transistor Q2 is grounded, the collector of the NPN transistor Q2 is electrically connected to one end of the electromagnet of the relay KJ2, the other end of the electromagnet of the relay KJ2 is electrically connected to the 12V voltage output end of the power supply, and the compressor is electrically connected to the live wire through the normally open contact of the relay KJ2.

[0011] The heating sub-circuit comprises an NPN transistor Q1 and a relay KJ1, the heating plate drive output end of the MCU is electrically connected to the base of the NPN transistor Q1, the emitter of the NPN transistor Q1 is grounded, the collector of the NPN transistor Q1 is electrically connected to one end of the electromagnet of the relay KJ1, the other end of the electromagnet of the relay KJ1 is electrically connected to the 12V voltage output end of the power supply, and the heating plate is electrically connected to the live wire through the normally open contact of the relay KJ1.

[0012] Specifically, the cold water outlet module comprises an N-channel MOS tube Q5, the G pole of the N-channel MOS tube Q5 is electrically connected to the ice water pump drive output end of the MCU, one end of the ice water pump is electrically connected to the D pole of the N-channel MOS tube Q5, the other end of the ice water pump is electrically connected to the 12V voltage output end of the power supply, and the S pole of the N-channel MOS tube Q5 is grounded.

[0013] The hot water outlet module comprises an N-channel MOS tube Q6, the G pole of the N-channel MOS tube Q6 is electrically connected to the submersible pump drive output end of the MCU, one end of the submersible pump is electrically connected to the D pole of the N-channel MOS tube Q6, the other end of the submersible pump is electrically connected to the 12V voltage output end of the power supply, and the S pole of the N-channel MOS tube Q6 is grounded.

[0014] It is worth noting that the hot water tank water inlet module and the cold water tank water inlet module are further included.

[0015] The hot water tank water inlet module comprises an N-channel MOS tube Q3, the G pole of the N-channel MOS tube Q3 is electrically connected with the hot water electromagnetic valve driving output end of the MCU, the D pole of the N-channel MOS tube Q3 is electrically connected with the first wiring terminal of the hot water electromagnetic valve, the second wiring terminal of the hot water electromagnetic valve is electrically connected with the 12V voltage output end of the power supply, the S pole of the N-channel MOS tube Q3 is grounded, and the hot water electromagnetic valve is arranged at the water inlet of the hot water tank.

[0016] The cold water tank water inlet module comprises an N-channel MOS tube Q4, the G pole of the N-channel MOS tube Q4 is electrically connected with the cold water electromagnetic valve driving output end of the MCU, the D pole of the N-channel MOS tube Q4 is electrically connected with the first wiring terminal of the cold water electromagnetic valve, the second wiring terminal of the cold water electromagnetic valve is electrically connected with the 12V voltage output end of the power supply, the S pole of the N-channel MOS tube Q4 is grounded, and the cold water electromagnetic valve is arranged at the water inlet of the cold water tank.

[0017] Preferably, the hot water level detection module and the cold water level detection module are further included.

[0018] The hot water level detection module comprises resistors R1, R2, R3 and R4, the hot water high water level feedback input end of the MCU is electrically connected with the first end of the resistor R1 and the first end of the resistor R2 respectively, the second end of the resistor R1 is electrically connected with the 5V voltage output end of the power supply, the second end of the resistor R2 is electrically connected with the upper limit position port of the hot water level switch, the hot water low water level feedback input end of the MCU is electrically connected with the first end of the resistor R3 and the first end of the resistor R4 respectively, the second end of the resistor R3 is electrically connected with the 5V voltage output end of the power supply, the second end of the resistor R4 is electrically connected with the lower limit position port of the hot water level switch, and the grounding end of the hot water level switch is grounded; the hot water level switch is arranged in the hot water tank.

[0019] The cold water level detection module comprises resistors R5, R6, R7 and R8, the cold water high water level feedback input end of the MCU is electrically connected with the first end of the resistor R5 and the first end of the resistor R6 respectively, the second end of the resistor R5 is electrically connected with the 5V voltage output end of the power supply, the second end of the resistor R6 is electrically connected with the upper limit position port of the cold water level switch, the cold water low water level feedback input end of the MCU is electrically connected with the first end of the resistor R7 and the first end of the resistor R8 respectively, the second end of the resistor R7 is electrically connected with the 5V voltage output end of the power supply, the second end of the resistor R8 is electrically connected with the lower limit position port of the cold water level switch, and the grounding end of the cold water level switch is grounded; the cold water level switch is arranged in the cold water tank.

[0020] The utility model discloses a beneficial effect lies in: in the water dispenser controller, utilize the ice water probe to obtain the temperature in the cold water tank, cooperate MCU, to avoid the temperature in the cold water tank too low, if the temperature in the cold water tank is too low, through the control of MCU, will adopt the operation of stopping compressor and closing ice water pump, and the water in the cold water tank is further prevented from being refrigerated, and the ice water pump work is prevented and extracts the ice block, avoids the water pipe blockage, utilizes the temperature feedback end of heating plate self to feedback heating plate self's temperature, can feedback the temperature of hot water in hot water tank, to avoid the temperature in the hot water tank too high, if the temperature in the hot water tank is too high, through the control of MCU, will adopt the operation of stopping heating plate and closing submersible pump, and the water in the hot water tank is further prevented from being heated, and the submersible pump work is prevented and extracts the overheated hot water, avoids scalding user. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the circuit diagram of MCU of water dispenser controller in an embodiment of the utility model;

[0022] Figure 2 It is the circuit diagram of power supply of water dispenser controller in an embodiment of the utility model;

[0023] Figure 3 It is the circuit diagram of refrigeration subcircuit and heating subcircuit of water dispenser controller in an embodiment of the utility model;

[0024] Figure 4 It is the circuit diagram of cold water outlet module and hot water outlet module of water dispenser controller in an embodiment of the utility model;

[0025] Figure 5 It is the circuit diagram of hot water tank inlet module and cold water tank inlet module of water dispenser controller in an embodiment of the utility model;

[0026] Figure 6 It is the circuit diagram of hot water level detection module and cold water level detection module of water dispenser controller in an embodiment of the utility model;

[0027] Figure 7 It is the circuit diagram of water leakage detection module of water dispenser controller in an embodiment of the utility model;

[0028] Figure 8 It is the temperature acquisition circuit diagram of ice water probe of water dispenser controller in an embodiment of the utility model;

[0029] Figure 9 It is the circuit diagram of water quality detection module of water dispenser controller in an embodiment of the utility model

[0030] Figure 10The utility model discloses a circuit diagram of the touch module of the water dispenser controller. DETAILED DESCRIPTION

[0031] The utility model discloses further illustrate the specific implementation of the utility model with the drawings. It needs to be explained here that the description of these implementations is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0032] As Figures 1-10 The utility model discloses a water dispenser controller, including MCU, refrigeration and heating module, hot water outlet module, cold water outlet module, ice water probe, compressor and heating plate, the ice water probe with the compressor sets up in the cold water tank, and the heating plate sets up in the hot water tank,

[0033] The refrigeration and heating module includes refrigeration branch circuit and heating branch circuit, the output of compressor with refrigeration branch circuit electricity is connected, and the input of refrigeration branch circuit with MCU's compressor drive output electricity is connected, and the drive input of heating plate with the output of heating branch circuit electricity is connected, and the input of heating branch circuit with MCU's heating plate drive output electricity is connected,

[0034] The output of hot water outlet module is connected with submersible pump, and the input of hot water outlet module with MCU's submersible pump drive output electricity is connected, and the output of cold water outlet module is connected with ice water pump, and the input of cold water outlet module with MCU's ice water pump drive output electricity is connected, and the output of submersible pump with the output of ice water pump all communicate with the water outlet of water dispenser,

[0035] The feedback output of ice water probe with MCU's refrigeration temperature feedback input electricity is connected to gather the temperature in the cold water tank and judges whether the freezing threshold is lower through MCU, and when the temperature in the cold water tank is lower than the freezing threshold, drives the compressor stop through the compressor drive output of MCU and drives the ice water pump to close through the ice water pump drive output of MCU, and the temperature feedback end of heating plate is connected with MCU's heating plate temperature feedback input (heating plate temperature RX1 port and heating plate temperature TX1 port) through serial communication to gather the temperature in the hot water tank and judges whether the set threshold is higher through MCU, and when the temperature of heating plate is higher than the set threshold, drives the heating plate stop through the heating plate drive output of MCU and drives the submersible pump to close through the submersible pump drive output of MCU. In this embodiment, through the setting of a compressor delay start time in MCU, the compressor protection effect can be played, and the compressor is started when MCU receives the trigger signal.

[0036] In the water dispenser controller, the temperature in the cold water tank is obtained by using the ice water probe, and the MCU is used to avoid the temperature in the cold water tank being too low. If the temperature in the cold water tank is too low, the MCU will control the compressor and the ice water pump to stop operating, so as to prevent the water in the cold water tank from being further cooled and the ice water pump from working to extract ice, thereby avoiding the water pipe from being blocked. The temperature of the heating plate itself is fed back by using the temperature feedback end of the heating plate itself, so as to feed back the temperature of the hot water in the hot water tank, thereby avoiding the temperature in the hot water tank being too high. If the temperature in the hot water tank is too high, the MCU will control the heating plate and the submersible pump to stop operating, so as to prevent the water in the hot water tank from being further heated and the submersible pump from working to extract hot water, thereby avoiding the user from being scalded.

[0037] Preferably, as shown in Figure 2 The power supply includes a DC 24V input part, a rectifier bridge DB, an adjustable voltage stabilizer LM, and a three-terminal voltage stabilizer. The DC 24V input part is electrically connected to the input end of the adjustable voltage stabilizer LM through the rectifier bridge DB. The output end of the adjustable voltage stabilizer LM forms a 12V voltage output end of the power supply. The output end of the adjustable voltage stabilizer LM is electrically connected to the input end VIN of the three-terminal voltage stabilizer. The output end VOUT of the three-terminal voltage stabilizer forms a 5V voltage output end of the power supply. In this embodiment, the model of the adjustable voltage stabilizer LM is LM2575, and the model of the three-terminal voltage stabilizer is 7805.

[0038] Optionally, as shown in Figure 3 The refrigeration circuit includes an NPN transistor Q2 and a relay KJ2. The compressor driving output end of the MCU is electrically connected to the base of the NPN transistor Q2. The emitter of the NPN transistor Q2 is grounded. The collector of the NPN transistor Q2 is electrically connected to one end of the electromagnet of the relay KJ2. The other end of the electromagnet of the relay KJ2 is electrically connected to the 12V voltage output end of the power supply. The compressor is electrically connected to the hot wire through the normally open contact of the relay KJ2. When the compressor driving output end of the MCU outputs a high level, the NPN transistor Q2 is turned on, one end of the electromagnet of the relay KJ2 is grounded, so that the electromagnet of the relay KJ2 is powered and attracted, the normally open contact is closed, and the compressor can be powered and work.

[0039] The heating sub-circuit comprises an NPN transistor Q1 and a relay KJ1, a heating plate driving output end of the MCU is electrically connected to a base of the NPN transistor Q1, an emitter of the NPN transistor Q1 is grounded, a collector of the NPN transistor Q1 is electrically connected to one end of an electromagnet of the relay KJ1, the other end of the electromagnet of the relay KJ1 is electrically connected to a 12V voltage output end of a power supply, and the heating plate is electrically connected to a live wire through a normally open contact of the relay KJ1; when the heating plate driving output end of the MCU outputs a high level, the NPN transistor Q1 is turned on, one end of the electromagnet of the relay KJ1 is grounded, so that the electromagnet of the relay KJ1 is electrified and attracted, the normally open contact is closed, and the heating plate can be powered to work.

[0040] Specifically, as shown in Figure 4 The cold water outlet module comprises an N-channel MOS tube Q5, a G pole of the N-channel MOS tube Q5 is electrically connected to an ice water pump driving output end of the MCU, a D pole of the N-channel MOS tube Q5 is electrically connected to one end of the ice water pump, the other end of the ice water pump is electrically connected to a 12V voltage output end of a power supply, and an S pole of the N-channel MOS tube Q5 is grounded; when the ice water pump driving output end of the MCU outputs a high level, the N-channel MOS tube Q5 is turned on, one end of the ice water pump is grounded to form a loop, so that the ice water pump is powered to work.

[0041] The hot water outlet module comprises an N-channel MOS tube Q6, a G pole of the N-channel MOS tube Q6 is electrically connected to a submersible pump driving output end of the MCU, a D pole of the N-channel MOS tube Q6 is electrically connected to one end of the submersible pump, the other end of the submersible pump is electrically connected to a 12V voltage output end of a power supply, and an S pole of the N-channel MOS tube Q6 is grounded; when the submersible pump driving output end of the MCU outputs a high level, the N-channel MOS tube Q6 is turned on, one end of the submersible pump is grounded to form a loop, so that the submersible pump is powered to work.

[0042] It is worth noting that, as shown in Figure 5 The hot water tank water inlet module and the cold water tank water inlet module are further included.

[0043] The hot water tank water inlet module comprises an N-channel MOS tube Q3, a G pole of the N-channel MOS tube Q3 is electrically connected with a hot water electromagnetic valve drive output end of the MCU, a D pole of the N-channel MOS tube Q3 is electrically connected with a first wiring terminal of the hot water electromagnetic valve, a second wiring terminal of the hot water electromagnetic valve is electrically connected with a 12V voltage output end of the power supply, and a S pole of the N-channel MOS tube Q3 is grounded, and the hot water electromagnetic valve is arranged at a water inlet of the hot water tank; when the hot water electromagnetic valve drive output end of the MCU outputs a high level, the N-channel MOS tube Q3 is turned on, the first wiring terminal of the hot water electromagnetic valve is grounded to form a loop, the hot water electromagnetic valve is powered on to open, and water can be injected into the hot water tank;

[0044] The cold water tank water inlet module comprises an N-channel MOS tube Q4, a G pole of the N-channel MOS tube Q4 is electrically connected with an ice water electromagnetic valve drive output end of the MCU, a D pole of the N-channel MOS tube Q4 is electrically connected with a first wiring terminal of the ice water electromagnetic valve, a second wiring terminal of the ice water electromagnetic valve is electrically connected with a 12V voltage output end of the power supply, and a S pole of the N-channel MOS tube Q4 is grounded, and the ice water electromagnetic valve is arranged at a water inlet of the cold water tank; when the ice water electromagnetic valve drive output end of the MCU outputs a high level, the N-channel MOS tube Q4 is turned on, the first wiring terminal of the ice water electromagnetic valve is grounded to form a loop, the ice water electromagnetic valve is powered on to open, and water can be injected into the cold water tank.

[0045] Preferably, as shown in the figure, the hot water tank water inlet module further comprises a hot water level detection module and a cold water level detection module. Figure 6

[0046] The hot water level detection module comprises resistors R1, R2, R3 and R4, hot water high water level feedback input ends of the MCU are respectively electrically connected with a first end of the resistor R1 and a first end of the resistor R2, a second end of the resistor R1 is electrically connected with a 5V voltage output end of the power supply, a second end of the resistor R2 is electrically connected with an upper limit position port of a hot water level switch, hot water low water level feedback input ends of the MCU are respectively electrically connected with a first end of the resistor R3 and a first end of the resistor R4, a second end of the resistor R3 is electrically connected with the 5V voltage output end of the power supply, a second end of the resistor R4 is electrically connected with a lower limit position port of the hot water level switch, and a grounding end of the hot water level switch is grounded; the hot water level switch is arranged in the hot water tank.

[0047] ​The cold water level detection module comprises resistors R5, R6, R7 and R8, the cold water high level feedback input end of the MCU is electrically connected with the first end of the resistor R5 and the first end of the resistor R6 respectively, the second end of the resistor R5 is electrically connected with the 5V voltage output end of the power supply, the second end of the resistor R6 is electrically connected with the upper limit position port of the cold water level switch, the cold water low level feedback input end of the MCU is electrically connected with the first end of the resistor R7 and the first end of the resistor R8 respectively, the second end of the resistor R7 is electrically connected with the 5V voltage output end of the power supply, the second end of the resistor R8 is electrically connected with the lower limit position port of the cold water level switch, and the ground end of the cold water level switch is grounded; the cold water level switch is arranged in the cold water tank.

[0048] The existing water level switch generally comprises a floating ball, an upper limit position trigger end and a lower limit position trigger end, the upper limit position trigger end is arranged on the upper side of the lower limit position trigger end. The floating ball floats with the rise of the water level, when the water level is level with the lower limit position trigger end, the floating ball can trigger the lower limit position trigger end, when the water level is level with the upper limit position trigger end, the floating ball can trigger the upper limit position trigger end; in this way, the water level switch is applied to the hot water tank and the cold water tank, and the water level of the hot water tank and the cold water tank can be monitored. In the embodiment, when the upper limit position port of the hot water level switch is triggered, the upper limit position port is grounded, in this way, the voltage between the two ends of the resistor R2 is added to the hot water low level feedback end, thereby informing the MCU that the water level has not passed the upper limit position trigger end of the hot water tank; when the lower limit position port of the hot water level switch is triggered, the lower limit position port is grounded, in this way, the voltage between the two ends of the resistor R4 is added to the hot water low level feedback end, thereby informing the MCU that the water level has not passed the lower limit position trigger end of the hot water tank; when the upper limit position port of the cold water level switch is triggered, the upper limit position port is grounded, in this way, the voltage between the two ends of the resistor R6 is added to the cold water high level feedback end, thereby informing the MCU that the water level has not passed the upper limit position trigger end of the cold water tank; when the lower limit position port of the cold water level switch is triggered, the lower limit position port is grounded, in this way, the voltage between the two ends of the resistor R8 is added to the cold water low level feedback end, thereby informing the MCU that the water level has not passed the lower limit position trigger end of the cold water tank.

[0049] As shown in FIG. 1, the water level detection system further comprises a water leakage detection module. Figure 7 The water leakage detection module comprises resistors R9 and R10, the water leakage detection input end of the MCU is electrically connected with the first end of the resistor R9 and the first end of the resistor R10 respectively, the second end of the resistor R9 is electrically connected with the 5V output end of the power supply, the second end of the resistor R10 is electrically connected with the feedback port of the water leakage detection sensor, and the ground end of the water leakage detection sensor is grounded; in this way, the function of water leakage detection is realized.

[0050] As shown in FIG. 1, the water level detection system further comprises a water leakage detection module. Figure 8As shown, the feedback output terminal of the ice water probe is electrically connected to the first terminal of resistor R11 and the first terminal of resistor R12 respectively. The ground terminal of the ice water probe is grounded. The second terminal of resistor R11 is electrically connected to the 5V output terminal of the power supply. The second terminal of resistor R12 is electrically connected to the cooling temperature feedback input terminal of the MCU.

[0051] like Figure 9 As shown, it also includes a water quality detection module, which includes an operational amplifier LMV324I and a counter CD4060BMG4. The water quality data input terminal of the MCU is electrically connected to the TDS water quality sensor through the operational amplifier LMV324I and the counter CD4060BMG4. The TDS water quality sensor is installed in the hot water tank and the cold water tank to realize water quality detection and support value correction.

[0052] like Figure 10 As shown, the system also includes a touch control module, which comprises a touch-sensitive microcontroller BF7612DM / SOP28. Touch buttons are electrically connected to the corresponding port input terminals of the BF7612DM / SOP28 to achieve touch control functionality. The touch control module allows for setting timeouts; in this embodiment, two timeout settings are available. The touch control module also allows for custom water temperature settings, enabling the water dispenser to dispense ice water, room temperature water, 45℃ water for making formula, 55℃ water for making honey, 70℃ water for brewing herbal tea, 90℃ water for brewing coffee, and 100℃ boiling water. The touch control module also allows for input of custom water volumes of 150ml, 250ml, 350ml, and 500ml. This solution uses a 5-inch LCD color screen for intuitive and clear display.

[0053] In this solution, the MCU records the cumulative working time of the water dispenser to record the working time of the filter cartridge. When the set threshold is exceeded, a filter cartridge replacement reminder will be issued. This threshold can be customized to set the filter cartridge replacement cycle. After the filter cartridge is replaced, the cumulative working time will be reset to zero and re-accumulated.

[0054] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A water dispenser controller, characterized by: Including MCU, refrigeration and heating module, hot water outlet module, cold water outlet module, ice water probe, compressor and heating plate; The ice water probe and the compressor are arranged in the cold water tank, and the heating plate is arranged in the hot water tank; The refrigeration and heating module includes a refrigeration sub-circuit and a heating sub-circuit, the compressor is electrically connected with the output end of the refrigeration sub-circuit, the input end of the refrigeration sub-circuit is electrically connected with the compressor driving output end of the MCU, the driving input end of the heating plate is electrically connected with the output end of the heating sub-circuit, and the input end of the heating sub-circuit is electrically connected with the heating plate driving output end of the MCU; The output end of the hot water outlet module is electrically connected with a submersible pump, the input end of the hot water outlet module is electrically connected with the submersible pump driving output end of the MCU, the output end of the cold water outlet module is electrically connected with an ice water pump, and the input end of the cold water outlet module is electrically connected with the ice water pump driving output end of the MCU; The output port of the submersible pump and the output port of the ice water pump are in communication with the water outlet of the water dispenser. The feedback output end of the ice water probe is electrically connected with the refrigeration temperature feedback input end of the MCU, and the temperature feedback end of the heating plate is electrically connected with the heating plate temperature feedback input end of the MCU in a serial port communication mode.

2. A water dispenser controller according to claim 1, wherein: Further comprising a power supply, the power supply includes a DC24V input part, a rectifier bridge DB, an adjustable voltage stabilizer LM and a three-terminal voltage stabilizer, the DC24V input part is electrically connected with the input end of the adjustable voltage stabilizer LM through the rectifier bridge DB, the output end of the adjustable voltage stabilizer LM forms a 12V voltage output end of the power supply, the output end of the adjustable voltage stabilizer LM is electrically connected with the input end VIN of the three-terminal voltage stabilizer, and the output end VOUT of the three-terminal voltage stabilizer forms a 5V voltage output end of the power supply.

3. A water dispenser controller according to claim 2, wherein: The refrigeration sub-circuit includes an NPN triode Q2 and a relay KJ2, the compressor driving output end of the MCU is electrically connected with the base of the NPN triode Q2, the emitter of the NPN triode Q2 is grounded, one end of the electromagnet of the relay KJ2 is electrically connected with the collector of the NPN triode Q2, the other end of the electromagnet of the relay KJ2 is electrically connected with the 12V voltage output end of the power supply, and the compressor is electrically connected with the fire wire through the normally open contact of the relay KJ2. The heating sub-circuit includes an NPN triode Q1 and a relay KJ1, the heating plate driving output end of the MCU is electrically connected with the base of the NPN triode Q1, the emitter of the NPN triode Q1 is grounded, one end of the electromagnet of the relay KJ1 is electrically connected with the collector of the NPN triode Q1, the other end of the electromagnet of the relay KJ1 is electrically connected with the 12V voltage output end of the power supply, and the heating plate is electrically connected with the fire wire through the normally open contact of the relay KJ1.

4. A water dispenser controller according to claim 2, wherein: The cold water outlet module comprises an N-channel MOS tube Q5, the G pole of the N-channel MOS tube Q5 is electrically connected with the ice water pump driving output end of the MCU, the D pole of the N-channel MOS tube Q5 is electrically connected with one end of the ice water pump, the other end of the ice water pump is electrically connected with the 12V voltage output end of the power supply, and the S pole of the N-channel MOS tube Q5 is grounded; The hot water outlet module comprises an N-channel MOS tube Q6, the G pole of the N-channel MOS tube Q6 is electrically connected with the submersible pump driving output end of the MCU, the D pole of the N-channel MOS tube Q6 is electrically connected with one end of the submersible pump, the other end of the submersible pump is electrically connected with the 12V voltage output end of the power supply, and the S pole of the N-channel MOS tube Q6 is grounded.

5. The water dispenser controller of claim 2, wherein: Further comprising a hot water tank water inlet module and a cold water tank water inlet module; The hot water tank water inlet module comprises an N-channel MOS tube Q3, the G pole of the N-channel MOS tube Q3 is electrically connected with the hot water electromagnetic valve driving output end of the MCU, the D pole of the N-channel MOS tube Q3 is electrically connected with the first wiring terminal of the hot water electromagnetic valve, the second wiring terminal of the hot water electromagnetic valve is electrically connected with the 12V voltage output end of the power supply, the S pole of the N-channel MOS tube Q3 is grounded, and the hot water electromagnetic valve is arranged at the water inlet of the hot water tank. The cold water tank water inlet module comprises an N-channel MOS tube Q4, the G pole of the N-channel MOS tube Q4 is electrically connected with the ice water electromagnetic valve driving output end of the MCU, the D pole of the N-channel MOS tube Q4 is electrically connected with the first wiring terminal of the ice water electromagnetic valve, the second wiring terminal of the ice water electromagnetic valve is electrically connected with the 12V voltage output end of the power supply, the S pole of the N-channel MOS tube Q4 is grounded, and the ice water electromagnetic valve is arranged at the water inlet of the cold water tank.

6. A water dispenser controller according to claim 2, wherein: Further comprising a hot water level detection module and a cold water level detection module; The hot water level detection module comprises resistors R1, R2, R3 and R4, the hot water high water level feedback input end of the MCU is electrically connected with the first end of the resistor R1 and the first end of the resistor R2 respectively, the second end of the resistor R1 is electrically connected with the 5V voltage output end of the power supply, the second end of the resistor R2 is electrically connected with the upper limit position port of the hot water level switch, the hot water low water level feedback input end of the MCU is electrically connected with the first end of the resistor R3 and the first end of the resistor R4 respectively, the second end of the resistor R3 is electrically connected with the 5V voltage output end of the power supply, the second end of the resistor R4 is electrically connected with the lower limit position port of the hot water level switch, and the ground end of the hot water level switch is grounded; the hot water level switch is arranged in the hot water tank. The cold water level detection module comprises resistors R5, R6, R7 and R8, a first end of the resistor R5 and a first end of the resistor R6 are electrically connected with a cold water high water level feedback input end of the MCU, a second end of the resistor R5 is electrically connected with a 5V voltage output end of a power supply, a second end of the resistor R6 is electrically connected with an upper limit position port of a cold water level switch, a first end of the resistor R7 and a first end of the resistor R8 are electrically connected with a cold water low water level feedback input end of the MCU, a second end of the resistor R7 is electrically connected with the 5V voltage output end of the power supply, a second end of the resistor R8 is electrically connected with a lower limit position port of the cold water level switch, and a grounding end of the cold water level switch is grounded; the cold water level switch is arranged in the cold water tank.

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