Electrolytic water making machine

Abstract

The utility model relates to an electrolytic water maker which comprises a WIFI (Wireless Fidelity) control module and a TDS (Total Dissolved Solids) temperature detection circuit, wherein the key control circuit is used for setting a water outlet mode, the TDS temperature detection circuit is used for detecting the TDS value and the temperature value of purified water, the water flow sensor is used for detecting whether the faucet is opened or not, and after the faucet is opened, the WIFI control module controls the switch control circuit to output water corresponding to the water outlet mode according to the water outlet mode. When the TDS value or the temperature value of the purified water exceeds a corresponding rated range, the WIFI control module controls the switch control circuit to stop working; wherein the electrolytic bath inputs purified water for electrolysis and then outputs alkaline water and acidic water, the water inlet solenoid valve controls the input of the purified water to the electrolytic bath, the alkaline water outlet solenoid valve controls the output of the alkaline water of the electrolytic bath, the acidic water outlet solenoid valve controls the output of the alkaline water of the electrolytic bath, and the purified water outlet solenoid valve controls the direct output of the purified water; therefore, the alkaline water and the acidic water are output after the purified water is electrolyzed through the electrolytic bath, the purified water is directly output, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of control circuits of electrolyzed water machines, and more specifically, to an electrolyzed water machine. Background Art

[0002] Most of the existing water purifiers filter water through the cooperation of filters and RO membranes to reduce impurities and TDS values in the water. However, they cannot effectively change the PH value of the water and cannot meet people's usage requirements. Therefore, there is an urgent need for an electrolyzed water machine to change the PH value of the water and output alkaline water and acidic water to meet different usage requirements. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an electrolyzed water machine with a simple circuit, low cost, small volume, high intelligence level, and supporting the output of alkaline water and acidic water, aiming at the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0005] Construct an electrolyzed water machine, including a WIFI control module and a TDS temperature detection circuit; wherein, the WIFI control module is connected to the TDS temperature detection circuit, and the WIFI control module is also connected to a plurality of key control circuits, a plurality of switch control circuits, and a water flow sensor;

[0006] A plurality of the switch control circuits are used to control the start or stop of the electrolytic cell, the inlet solenoid valve, the alkaline water outlet solenoid valve, the acidic water outlet solenoid valve, and the purified water outlet solenoid valve; the electrolytic cell inputs purified water and outputs alkaline water and acidic water after electrolysis, the inlet solenoid valve controls the input of the purified water to the electrolytic cell, the alkaline water outlet solenoid valve controls the output of the alkaline water from the electrolytic cell, the acidic water outlet solenoid valve controls the output of the alkaline water from the electrolytic cell, and the purified water outlet solenoid valve controls the direct output of the purified water;

[0007] The output of the alkaline water, the output of the alkaline water, and the direct output of the purified water all pass through a faucet, and the water flow sensor detects whether the faucet is opened;

[0008] A plurality of the key control circuits are used to set the water output mode, the TDS temperature detection circuit detects the TDS value and temperature value of the purified water, and the WIFI control module is used to connect to a remote server or a mobile terminal on the Internet through a WIFI router or a wireless AP;

[0009] After the faucet is turned on, the WIFI control module controls the switch control circuit to output water corresponding to the water outlet mode, and when the TDS value or temperature value of the purified water exceeds the corresponding rated range, the WIFI control module controls the switch control circuit to stop working.

[0010] For the electrolyzed water machine of the present utility model, wherein, the WIFI control module is further connected to a display screen;

[0011] The display screen displays the TDS value and temperature value of the purified water, as well as the water outlet mode, water outlet status, and networking status;

[0012] The D0 end of the display screen is connected to the IO22 end of the WIFI control module and the D1 end is connected to the IO21 end of the WIFI control module.

[0013] For the electrolyzed water machine of the present utility model, wherein, the water outlet mode includes: discharging one of the alkaline water, acidic water, and purified water;

[0014] The water outlet status includes: whether the faucet is turned on;

[0015] The networking status includes: whether the WIFI control module is connected to the remote server or the mobile terminal.

[0016] For the electrolyzed water machine of the present utility model, wherein, the model of the WIFI control module is ESP32-S.

[0017] For the electrolyzed water machine of the present utility model, wherein, the TDS temperature detection circuit includes: a TDS temperature detection chip and a TDS temperature sensor;

[0018] The 1 pin of the TDS temperature sensor is connected to the NTC1+ end of the TDS temperature detection chip and the 2 pin is connected to a first resistor, and the other end of the first resistor is connected to the NTC1 end of the TDS temperature detection chip; the 3 pin of the TDS temperature sensor is connected to the TDS1+ end of the TDS temperature detection chip and the 4 pin is connected to a third resistor and a fourth resistor, the other end of the third resistor is connected to the TDS1 end of the TDS temperature detection chip, and the other end of the fourth resistor is connected to the TDS1- end of the TDS temperature detection chip;

[0019] The model of the TDS temperature detection chip is NXP201, and the model of the TDS temperature sensor is TDS-07.

[0020] For the electrolyzed water machine of the present utility model, wherein, the switch control circuit includes: a first field effect transistor and a light emitting diode;

[0021] The drain of the first field-effect transistor is the input end of the switch control circuit, and its gate is connected to a fifth resistor, a sixth resistor, and a seventh resistor. The other end of the fifth resistor is connected to the positive electrode of the light-emitting diode, the negative electrode of the light-emitting diode is grounded, the other end of the sixth resistor is the control end of the switch control circuit, the other end of the seventh resistor is grounded with the negative electrode of the light-emitting diode, and the source of the first field-effect transistor is grounded.

[0022] In the electrolyzed water machine of the present utility model, among them, the multiple switch control circuits at least include: the first switch control circuit, the second switch control circuit, the third switch control circuit, the fourth switch control circuit, and the fifth switch control circuit;

[0023] The control end of the first switch control circuit, the control end of the second switch control circuit, the control end of the third switch control circuit, the control end of the fourth switch control circuit, and the control end of the fifth switch control circuit are connected one-to-one to the IO25 terminal, IO26 terminal, IO19 terminal, IO28 terminal, and IO5 terminal of the WIFI control module;

[0024] The input end of the first switch control circuit, the input end of the second switch control circuit, the input end of the third switch control circuit, the input end of the fourth switch control circuit, and the input end of the fifth switch control circuit are connected one-to-one to the negative electrode of the electrolytic cell, the negative electrode of the water inlet solenoid valve, the negative electrode of the alkaline water outlet solenoid valve, the negative electrode of the acidic water outlet solenoid valve, and the negative electrode of the purified water outlet solenoid valve;

[0025] The positive electrode of the electrolytic cell, the positive electrode of the water inlet solenoid valve, the positive electrode of the alkaline water outlet solenoid valve, the positive electrode of the acidic water outlet solenoid valve, and the positive electrode of the purified water outlet solenoid valve are all connected to the positive electrode of the 24V DC power supply.

[0026] In the electrolyzed water machine of the present utility model, among them, the 1-pin of the water flow sensor is connected to the positive electrode of the 5V DC power supply and the 2-pin is grounded. The 3-pin of the water flow sensor is connected to the eighth resistor and the drain of the second field-effect transistor. The other end of the eighth resistor is connected to the positive electrode of the 5V DC power supply. The gate of the second field-effect transistor is connected to the positive electrode of the 3.3V DC power supply and its source is connected to a ninth resistor. The other end of the ninth resistor is connected to the positive electrode of the 3.3V DC power supply. The source of the second field-effect transistor is connected to the IO35 terminal of the WIFI control module;

[0027] The model of the water flow sensor is YF-S402B.

[0028] For the electrolyzed water machine of the present utility model, the key control circuit includes: a tenth resistor and a momentary switch;

[0029] The tenth resistor is connected to the positive pole of the 3.3V DC power supply and the other end is connected to the momentary switch. The other end of the momentary switch is grounded, and the other end of the tenth resistor is the control end of the key control circuit;

[0030] Multiple said key control circuits at least include: the first said key control circuit, the second said key control circuit, and the third said key control circuit. The control end of the first said key control circuit, the control end of the second said key control circuit, and the control end of the third said key control circuit are connected to the IO32 end, the IO33 end, and the IO27 end of the WIFI control module in a one-to-one manner;

[0031] The first said key control circuit is used to set the alkaline water, the first said key control circuit is used to set the acidic water, and the first said key control circuit is used to set the purified water.

[0032] The beneficial effects of the present utility model are as follows: The key control circuit is used to set the water outlet mode. The TDS temperature detection circuit detects the TDS value and temperature value of the purified water. The water flow sensor detects whether the faucet is opened. After the faucet is opened, the WIFI control module controls the switch control circuit to output water corresponding to the water outlet mode according to the water outlet mode. When the TDS value or temperature value of the purified water exceeds the corresponding rated range, the WIFI control module controls the switch control circuit to stop working; Among them, the electrolytic cell inputs purified water and outputs alkaline water and acidic water after electrolysis. The inlet solenoid valve controls the input of purified water to the electrolytic cell. The alkaline water outlet solenoid valve controls the output of the alkaline water of the electrolytic cell. The acidic water outlet solenoid valve controls the output of the alkaline water of the electrolytic cell. The purified water outlet solenoid valve controls the direct output of the purified water; Thus, it realizes the electrolysis of purified water by the electrolytic cell to output alkaline water and acidic water, and directly output purified water, meeting different usage requirements, and has a simple circuit, low cost, small volume, high degree of intelligence, and convenient use. Description of the Drawings

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will further illustrate the present utility model in conjunction with the drawings and embodiments. The drawings in the following description are only partial embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings:

[0034] Figure 1 It is the circuit schematic diagram of the WIFI control module of the electrolyzed water machine in the preferred embodiment of the present utility model;

[0035] Figure 2It is the circuit schematic diagram of the display screen of the electrolyzed water machine of the preferred embodiment of the present utility model;

[0036] Figure 3 It is the circuit schematic diagram of the TDS temperature detection circuit of the electrolyzed water machine of the preferred embodiment of the present utility model;

[0037] Figure 4 It is the circuit schematic diagram of the switch control circuit of the electrolyzed water machine of the preferred embodiment of the present utility model;

[0038] Figure 5 It is the circuit schematic diagram of the water flow sensor of the electrolyzed water machine of the preferred embodiment of the present utility model;

[0039] Figure 6 It is the circuit schematic diagram of the key control circuit of the electrolyzed water machine of the preferred embodiment of the present utility model. Specific embodiments

[0040] In order to make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are partial embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0041] The electrolyzed water machine of the preferred embodiment of the present utility model is as Figure 1 shown, and also refer to Figures 2 to 6 ; It includes a WIFI control module U1 and a TDS temperature detection circuit 100; wherein, the WIFI control module U1 is connected to the TDS temperature detection circuit 100, and the WIFI control module U1 is also connected to a plurality of key control circuits 200, a plurality of switch control circuits 300 and a water flow sensor E2;

[0042] Multiple switch control circuits 300 are used to control the start or stop of an electrolytic cell (not shown in the figure), a water inlet solenoid valve (not shown in the figure), an alkaline water outlet solenoid valve (not shown in the figure), an acidic water outlet solenoid valve (not shown in the figure), and a purified water outlet solenoid valve (not shown in the figure); the electrolytic cell inputs purified water and outputs alkaline water and acidic water after electrolysis. The water inlet solenoid valve controls the input of purified water into the electrolytic cell. The alkaline water outlet solenoid valve controls the output of alkaline water from the electrolytic cell. The acidic water outlet solenoid valve controls the output of acidic water from the electrolytic cell. The purified water outlet solenoid valve controls the direct output of purified water; among them, the water pressure value of the purified water should be greater than 2.5 kg to meet the working requirements of the electrolytic cell and the water flow sensor E2; further, the anode of the electrolytic cell outputs acidic water + oxygen, which is separated by a first water-gas separator (not shown in the figure) and then outputs pure acidic water. The cathode of the electrolytic cell outputs alkaline water + hydrogen, which is separated by a second water-gas separator (not shown in the figure) and then outputs pure alkaline water;

[0043] The output of alkaline water, the output of acidic water, and the direct output of purified water all pass through a faucet. The water flow sensor E2 detects whether the faucet is opened;

[0044] Multiple button control circuits 200 are used to set the water outlet mode. The TDS temperature detection circuit 100 detects the TDS value and temperature value of the purified water. The WIFI control module U1 is used to connect to a remote server or a mobile terminal on the Internet through a WIFI router or a wireless AP to achieve remote monitoring and control;

[0045] After the faucet is opened, the WIFI control module U1 controls the switch control circuit 300 to output water corresponding to the water outlet mode according to the water outlet mode. When the TDS value or temperature value of the purified water exceeds the corresponding rated range, the WIFI control module U1 controls the switch control circuit 300 to stop working, so as to realize over-temperature protection of the electrolytic cell and protection against too high TDS value of water, and extend the service life;

[0046] The button control circuit 200 is used to set the water outlet mode. The TDS temperature detection circuit 100 detects the TDS value and temperature value of the purified water. The water flow sensor E2 detects whether the faucet is opened. After the faucet is opened, the WIFI control module U1 controls the switch control circuit 300 to output water corresponding to the water outlet mode according to the water outlet mode. When the TDS value or temperature value of the purified water exceeds the corresponding rated range, the WIFI control module U1 controls the switch control circuit 300 to stop working; among them, the electrolytic cell inputs purified water and outputs alkaline water and acidic water after electrolysis. The inlet solenoid valve controls the input of purified water to the electrolytic cell. The alkaline water outlet solenoid valve controls the output of alkaline water from the electrolytic cell. The acidic water outlet solenoid valve controls the output of alkaline water from the electrolytic cell. The purified water outlet solenoid valve controls the direct output of purified water; thus, it realizes the electrolysis of purified water by the electrolytic cell to output alkaline water and acidic water, and directly output purified water, meeting different usage requirements, and the circuit is simple, with low cost, small volume, high intelligence, and convenient use.

[0047] As Figure 1 and Figure 2 shown, the WIFI control module U1 is also connected with a display screen OLED1;

[0048] The display screen OLED1 displays the TDS value and temperature value of the purified water, as well as the water outlet mode, water outlet status, and networking status; it is convenient to view the status;

[0049] The D0 end of the display screen OLED1 is connected to the IO22 end of the WIFI control module U1 and the D1 end is connected to the IO21 end of the WIFI control module U1; among them, the display screen OLED1 is an OLED customized for I2C communication.

[0050] As Figure 1 shown, the water outlet mode includes: one of outputting alkaline water, outputting acidic water, and outputting purified water;

[0051] The water outlet status includes: whether the faucet is opened;

[0052] The networking status includes: whether the WIFI control module U1 is connected to the remote server or the mobile terminal; improving the intelligence level.

[0053] As Figure 1 shown, the model of the WIFI control module U1 is ESP32-S; with low cost and small volume.

[0054] As Figure 1 and Figure 3 shown, the TDS temperature detection circuit 100 includes: a TDS temperature detection chip U15 and a TDS temperature sensor TDS / NTC1;

[0055] Pin 1 of the TDS temperature sensor TDS / NTC1 is connected to the NTC1+ terminal of the TDS temperature detection chip U15, and a first resistor R32 and a second resistor R33 are connected to pin 2. The other end of the first resistor R32 is connected to the NTC1 terminal of the TDS temperature detection chip U15, and the other end of the second resistor R33 is grounded; Pin 3 of the TDS temperature sensor TDS / NTC1 is connected to the TDS1+ terminal of the TDS temperature detection chip U15, and a third resistor R36 and a fourth resistor R37 are connected to pin 4. The other end of the third resistor R36 is connected to the TDS1 terminal of the TDS temperature detection chip U15, and the other end of the fourth resistor R37 is connected to the TDS1- terminal of the TDS temperature detection chip U15;

[0056] The model of the TDS temperature detection chip U15 is NXP201, and the model of the TDS temperature sensor TDS / NTC1 is TDS-07; The use of a two-in-one function sensor reduces hardware, shrinks the volume, and reduces costs.

[0057] As Figure 4 shown, the switch control circuit 300 includes: a first field effect transistor Q2 and a light emitting diode S2_LED;

[0058] The drain of the first field effect transistor Q2 is the input terminal of the switch control circuit 300, and a fifth resistor R5, a sixth resistor R6, and a seventh resistor R4 are connected to the gate. The other end of the fifth resistor R5 is connected to the positive electrode of the light emitting diode S2_LED, the negative electrode of the light emitting diode S2_LED is grounded, the other end of the sixth resistor R6 is the control terminal of the switch control circuit 300, and the other end of the seventh resistor R4 is grounded with the negative electrode of the light emitting diode S2_LED. The source of the first field effect transistor Q2 is grounded; The use of a field effect transistor for control has a small volume and high stability.

[0059] As Figure 1 and Figure 4 shown, multiple switch control circuits 300 include at least: a first switch control circuit 300, a second switch control circuit 300, a third switch control circuit 300, a fourth switch control circuit 300, and a fifth switch control circuit 300;

[0060] The control terminals of the first switch control circuit 300, the second switch control circuit 300, the third switch control circuit 300, the fourth switch control circuit 300, and the fifth switch control circuit 300 are connected one-to-one to the IO25 terminal, IO26 terminal, IO19 terminal, IO28 terminal, and IO5 terminal of the WIFI control module U1;

[0061] The input terminals of the first switch control circuit 300, the second switch control circuit 300, the third switch control circuit 300, the fourth switch control circuit 300, and the fifth switch control circuit 300 are connected one-to-one with the negative electrode of the electrolytic cell, the negative electrode of the water inlet solenoid valve, the negative electrode of the alkaline water outlet solenoid valve, the negative electrode of the acidic water outlet solenoid valve, and the negative electrode of the purified water outlet solenoid valve;

[0062] The positive electrode of the electrolytic cell, the positive electrode of the water inlet solenoid valve, the positive electrode of the alkaline water outlet solenoid valve, the positive electrode of the acidic water outlet solenoid valve, and the positive electrode of the purified water outlet solenoid valve are all connected to the positive electrode of the 24V DC power supply; the circuit is simple and the cost is low.

[0063] As Figure 1 and Figure 5 shown, the pin 1 of the water flow sensor E2 is connected to the positive electrode of the 5V DC power supply and the pin 2 is grounded. The pin 3 of the water flow sensor E2 is connected to the eighth resistor R9 and the drain of the second field effect transistor Q3. The other end of the eighth resistor R9 is connected to the positive electrode of the 5V DC power supply. The gate of the second field effect transistor Q3 is connected to the positive electrode of the 3.3V DC power supply and the source is connected with a ninth resistor R8. The other end of the ninth resistor R8 is connected to the positive electrode of the 3.3V DC power supply. The source of the second field effect transistor Q3 is connected to the IO35 terminal of the WIFI control module U1; the model of the water flow sensor E2 is YF-S402B; further, the water flow sensor E2 is replaced with a water pressure sensor to meet different usage requirements, for example: in the case of having a water storage pressure bucket.

[0064] As Figure 1 and Figure 6 shown, the key control circuit 200 includes: a tenth resistor R26 and a momentary switch T9;

[0065] The tenth resistor R26 is connected to the positive electrode of the 3.3V DC power supply and the other end is connected to the momentary switch T9. The other end of the momentary switch T9 is grounded. The other end of the tenth resistor R26 is the control terminal of the key control circuit 200;

[0066] Multiple key control circuits 200 at least include: a first key control circuit 200, a second key control circuit 200, and a third key control circuit 200. The control terminals of the first key control circuit 200, the second key control circuit 200, and the third key control circuit 200 are connected one-to-one with the IO32 terminal, the IO33 terminal, and the IO27 terminal of the WIFI control module U1;

[0067] The first key control circuit 200 is used to set the output of alkaline water, the first key control circuit 200 is used to set the output of acidic water, and the first key control circuit 200 is used to set the output of purified water; the circuit is simple, the cost is low, and the volume is small.

[0068] It should be understood that those of ordinary skill in the art can make improvements or modifications based on the above description, and all such improvements and modifications shall fall within the protection scope of the appended claims of this utility model.

Claims

1. An electrolytic water making machine, comprising a WIFI control module and a TDS temperature detection circuit; characterized in that: The WIFI control module is connected to the TDS temperature detection circuit, and the WIFI control module is also connected to multiple button control circuits, multiple switch control circuits and a water flow sensor; The plurality of switch control circuits are used to control the start or stop of the electrolytic cell, the water inlet solenoid valve, the alkaline water outlet solenoid valve, the acidic water outlet solenoid valve and the clean water outlet solenoid valve; the electrolytic cell inputs clean water and outputs alkaline water and acidic water after electrolysis, the water inlet solenoid valve controls the input of the clean water into the electrolytic cell, the alkaline water outlet solenoid valve controls the output of the alkaline water from the electrolytic cell, the acidic water outlet solenoid valve controls the output of the alkaline water from the electrolytic cell, and the clean water outlet solenoid valve controls the direct output of the clean water; The output of the alkaline water and the output of the alkaline water and the direct output of the purified water are all through a faucet, and the water flow sensor detects whether the faucet is turned on; The plurality of button control circuits are used to set the water outlet mode, the TDS temperature detection circuit detects the TDS value and temperature value of the purified water, and the WIFI control module is used to connect to a remote server or mobile terminal on the Internet through a WIFI router or wireless AP; After the faucet is turned on, the WIFI control module controls the switch control circuit to output water corresponding to the water outlet mode according to the water outlet mode. When the TDS value or temperature value of the purified water exceeds the corresponding rated range, the WIFI control module controls the switch control circuit to stop working.

2. The electrolytic water making machine according to claim 1, characterized in that: The WIFI control module is also connected to a display screen; The display screen displays the TDS value and temperature value of the purified water, as well as the water outlet mode, water outlet status, and networking status; The D0 terminal of the display screen is connected to the IO22 terminal of the WIFI control module, and the D1 terminal is connected to the IO21 terminal of the WIFI control module.

3. The electrolytic water making machine according to claim 2, characterized in that: The water outlet mode includes: outlet of the alkaline water, outlet of the acidic water, outlet of the purified water; The water output status includes: whether the faucet is turned on; The networking status includes: whether the WIFI control module is connected to the remote server or the mobile terminal.

4. The electrolytic water making machine according to claim 2, characterized in that: The model of the WIFI control module is ESP32-S.

5. The electrolytic water making machine according to claim 4, characterized in that: The TDS temperature detection circuit comprises: a TDS temperature detection chip and a TDS temperature sensor; Pin 1 of the TDS temperature sensor is connected to the NTC1+ terminal of the TDS temperature detection chip and pin 2 is connected to a first resistor, the other end of the first resistor is connected to the NTC1 terminal of the TDS temperature detection chip; Pin 3 of the TDS temperature sensor is connected to the TDS1+ terminal of the TDS temperature detection chip and pin 4 is connected to a third resistor and a fourth resistor, the other end of the third resistor is connected to the TDS1 terminal of the TDS temperature detection chip, and the other end of the fourth resistor is connected to the TDS1- terminal of the TDS temperature detection chip; The model of the TDS temperature detection chip is NXP201, and the model of the TDS temperature sensor is TDS-07.

6. The electrolytic water making machine according to claim 1, characterized in that: The switch control circuit comprises: a first field effect transistor and a light emitting diode; The drain of the first field effect transistor is the input end of the switch control circuit and the gate is connected to the fifth resistor, the sixth resistor and the seventh resistor. The other end of the fifth resistor is connected to the positive electrode of the light-emitting diode, and the negative electrode of the light-emitting diode is grounded. The other end of the sixth resistor is the control end of the switch control circuit, the other end of the seventh resistor and the negative electrode of the light-emitting diode are grounded, and the source of the first field effect transistor is grounded.

7. The electrolytic water making machine according to claim 6, characterized in that: The plurality of switch control circuits include at least: a first switch control circuit, a second switch control circuit, a third switch control circuit, a fourth switch control circuit and a fifth switch control circuit; The control end of the first switch control circuit, the control end of the second switch control circuit, the control end of the third switch control circuit, the control end of the fourth switch control circuit and the control end of the fifth switch control circuit are connected one-to-one with the IO25 end, IO26 end, IO19 end, IO28 end and IO5 end of the WIFI control module; The input end of the first switch control circuit, the input end of the second switch control circuit, the input end of the third switch control circuit, the input end of the fourth switch control circuit, and the input end of the fifth switch control circuit are connected one-to-one with the negative electrode of the electrolytic cell, the negative electrode of the water inlet solenoid valve, the negative electrode of the alkaline water outlet solenoid valve, the negative electrode of the acidic water outlet solenoid valve, and the negative electrode of the purified water outlet solenoid valve; The positive electrode of the electrolytic cell, the positive electrode of the water inlet solenoid valve, the positive electrode of the alkaline water outlet solenoid valve, the positive electrode of the acidic water outlet solenoid valve and the positive electrode of the purified water outlet solenoid valve are all connected to the positive electrode of the 24V DC power supply.

8. The electrolytic water making machine according to claim 1, characterized in that: Pin 1 of the water flow sensor is connected to the positive electrode of the 5V DC power supply and pin 2 is grounded, pin 3 of the water flow sensor is connected to the eighth resistor and the drain of the second field effect tube, the other end of the eighth resistor is connected to the positive electrode of the 5V DC power supply, the gate of the second field effect tube is connected to the positive electrode of the 3.3V DC power supply and the source is connected to the ninth resistor, the other end of the ninth resistor is connected to the positive electrode of the 3.3V DC power supply, and the source of the second field effect tube is connected to the IO35 terminal of the WIFI control module; The model of the water flow sensor is YF-S402B.

9. The electrolytic water making machine according to claim 8, characterized in that: The key control circuit comprises: a tenth resistor and a jog switch; The tenth resistor is connected to the positive electrode of the 3.3V DC power supply and the other end is connected to the inching switch, the other end of the inching switch is grounded, and the other end of the tenth resistor is the control end of the key control circuit; The plurality of key control circuits at least include: a first key control circuit, a second key control circuit and a third key control circuit, and the control end of the first key control circuit, the control end of the second key control circuit and the control end of the third key control circuit are connected one-to-one with the IO32 end, the IO33 end and the IO27 end of the WIFI control module; The first button control circuit is used to set the alkaline water, the first button control circuit is used to set the acidic water, and the first button control circuit is used to set the purified water.

Images