Direct water dispenser control system

Abstract

The utility model discloses a control system of a direct water dispenser, which relates to the technical field of control circuits and comprises a main control chip used for receiving control signals and detection data and sending out corresponding control instructions; the cold water valve control circuit is used for receiving a control signal of the main control chip and controlling opening and closing of a cold water valve; the hot water valve control circuit is used for receiving a control signal of the main control chip and controlling opening and closing of a hot water valve; the flow control circuit is used for controlling the water flow of the direct water dispenser and adjusting the opening degrees of a cold water valve and a hot water valve to control the output of the water flow; and the display circuit is used for conducting for displaying when the cold water valve control circuit or the hot water valve control circuit is switched on. According to the utility model, the control precision of the cold water valve and the hot water valve can be improved, and the power consumption cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of control circuits, and in particular provides a direct drinking water machine control system. Background Art

[0002] In the prior art, the screen of a direct drinking water machine is usually only used to display basic status information of the water machine, and its function is relatively single, and the screen resources cannot be fully utilized. When no one is using it, the screen usually remains on, resulting in unnecessary energy waste.

[0003] In the existing direct drinking water machine technology, the screen will display whether the user is using the direct drinking water machine or not during the process of getting water. When no one is using it, the screen of the direct drinking water machine usually remains on. This not only affects the life of the equipment, but also causes unnecessary energy waste and increases operating costs. This energy waste problem is particularly prominent when no one is using it for a long time. Utility Model Content

[0004] In order to solve at least one of the technical problems mentioned in the background technology, the purpose of the utility model is to provide a direct drinking water machine control system to improve the control accuracy of the cold water valve and the hot water valve and reduce the power consumption cost.

[0005] In order to achieve the above object, the utility model provides the following technical solutions, including:

[0006] Main control chip: used to receive control signals and detection data, and issue corresponding control instructions;

[0007] Cold water valve control circuit: used to receive the control signal from the main control chip and control the opening and closing of the cold water valve;

[0008] Hot water valve control circuit: used to receive the control signal from the main control chip and control the opening and closing of the hot water valve;

[0009] Flow control circuit: used to control the water flow of the direct drinking water machine, adjust the opening of the cold water valve and the hot water valve to control the output of the water flow;

[0010] Display circuit: used to display when the cold water valve control circuit or the hot water valve control circuit is turned on.

[0011] Further, the cold water valve control circuit is composed of a third diode, a nineteenth resistor, a twentieth resistor, a third MOS tube and an eighth connection terminal;

[0012] The first end of the third diode is connected in parallel with the working voltage input end and the second end of the eighth terminal, and the second end of the third diode is connected in parallel with the drain of the third MOS tube and the first end of the eighth terminal; the gate of the third MOS tube is connected in parallel with the first ends of the nineteenth resistor and the twentieth resistor, the source of the third transistor and the second end of the nineteenth resistor are connected in parallel to the ground, and the second end of the twentieth resistor is connected to the main control chip.

[0013] Further, the hot water valve control circuit is composed of a fourth diode, a twenty-first resistor, a twenty-second resistor, a fourth MOS tube and a ninth terminal;

[0014] The first end of the fourth diode is connected in parallel with the working voltage input end and the second end of the ninth terminal, and the second end of the fourth diode is connected in parallel with the drain of the fourth MOS tube and the first end of the ninth terminal; the gate of the fourth MOS tube is connected in parallel with the first ends of the twenty-first resistor and the twenty-second resistor, the source of the fourth MOS tube and the second end of the twenty-first resistor are connected in parallel to the ground, and the second end of the twenty-second resistor is connected to the main control chip.

[0015] Further, the flow control circuit is composed of a ninth capacitor, a tenth capacitor, a fourteenth resistor, a fifteenth resistor, a thirty-sixth resistor, a fifty-fifth resistor, a seventieth resistor, a triode and a sixth terminal;

[0016] The ninth capacitor is connected in series to the first end of the sixth terminal, the second end of the sixth terminal is grounded, the third end of the sixth terminal and the tenth capacitor are connected in parallel to the first end of the seventieth resistor, the second end of the seventieth resistor is connected in parallel to the first end of the thirty-sixth resistor and the base of the tenth transistor, the collector of the tenth transistor and the fifteenth resistor are connected in series and then connected in parallel to the fourteenth resistor and the fifty-fifth resistor.

[0017] Furthermore, it also includes:

[0018] Key control circuit: used to send corresponding control signals to the main control chip according to the user's key operation.

[0019] Further, the key control circuit is composed of an eighth capacitor, a nineteenth capacitor, a twentieth capacitor, a forty-first resistor, a forty-second resistor, a forty-third resistor, a forty-fourth resistor, a sixty-third resistor, a seventh transistor, an eighth transistor and a fifth terminal;

[0020] The first end of the eighth capacitor is connected in parallel with the fourth end of the fifth wiring terminal and the first end of the sixty-third resistor, the second end of the sixty-third resistor is connected in series with the emitter of the seventh transistor, the base of the seventh transistor is connected in parallel with the nineteenth capacitor and the forty-first resistor, and the collector of the seventh transistor is connected in parallel with the forty-second resistor and the main control chip;

[0021] The collector of the eighth transistor is connected in parallel with the forty-third resistor and the third end of the fifth terminal, the base of the eighth transistor is connected in parallel with the forty-fourth resistor and the twentieth capacitor, the emitter of the eighth transistor is connected in parallel with the main control chip, the first end of the fifth terminal is connected to the working voltage input terminal, and the second end of the fifth terminal is grounded.

[0022] Furthermore, it also includes:

[0023] TDS detection circuit: used to detect the TDS value of the water source and send the detected TDS value to the main control chip.

[0024] Further, the TDS detection circuit is composed of a sixteenth resistor, a seventeenth resistor, an eighteenth resistor, an eleventh capacitor and a seventh wiring terminal;

[0025] The first end of the seventh terminal is connected in series with the sixteenth resistor on the main control chip, the second end of the seventh terminal is connected in parallel with the seventeenth resistor and the eighteenth resistor, and the eighteenth resistor and the eleventh capacitor are connected in parallel to the ground.

[0026] Compared with the prior art, the beneficial effects of the utility model are:

[0027] The utility model can achieve rapid response and accurate adjustment of the cold and hot water valves by precisely controlling the control circuits of the cold water valve and the hot water valve through the main control chip. The flow control circuit can adjust the opening of the cold water valve and the hot water valve as needed, thereby controlling the output of the water flow and meeting the different needs of users. The display circuit can conduct the display when the cold water valve or the hot water valve is turned on, providing the user with intuitive visual feedback and improving the user's experience. By adding the function of dimming the screen after no one uses it for a period of time, energy waste is effectively reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The overall structural block diagram of the direct drinking water machine control system provided by the utility model;

[0029] Figure 2 This is a schematic diagram of the cold water valve control circuit in the direct drinking water machine control system provided by the utility model;

[0030] Figure 3This is a schematic diagram of the hot water valve control circuit in the direct drinking water machine control system provided by the utility model;

[0031] Figure 4 This is a schematic diagram of the flow control circuit in the direct drinking water machine control system provided by the utility model;

[0032] Figure 5 This is a schematic diagram of the key control circuit in the direct drinking water machine control system provided by the utility model;

[0033] Figure 6 This is a schematic diagram of the TDS detection circuit in the direct drinking water machine control system provided by the utility model. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Example

[0036] See also Figure 1 This embodiment provides a direct drinking water machine control system, including:

[0037] Main control chip: used to receive control signals and detection data, and issue corresponding control instructions;

[0038] Cold water valve control circuit: used to receive the control signal from the main control chip and control the opening and closing of the cold water valve;

[0039] Hot water valve control circuit: used to receive the control signal from the main control chip and control the opening and closing of the hot water valve;

[0040] Flow control circuit: used to control the water flow of the direct drinking water machine, adjust the opening of the cold water valve and the hot water valve to control the output of the water flow;

[0041] Display circuit: used to display when the cold water valve control circuit or the hot water valve control circuit is turned on.

[0042] Specifically, the button control circuit is responsible for detecting the user's button operations, such as the water extraction button, the temperature setting button, etc. According to the user's button operations, the corresponding control signal is sent to the main control chip to execute the corresponding function.

[0043] Specifically, the cold water valve control circuit receives the control signal from the main control chip and controls the opening and closing of the cold water valve, ensuring that the cold water valve can be opened accurately and timely to provide cold water supply when cold water is needed.

[0044] Specifically, the hot water valve control circuit also receives the control signal from the main control chip to control the opening and closing of the hot water valve. When the user needs hot water, it ensures that the hot water valve can be opened accurately and provides hot water according to the set temperature.

[0045] Specifically, the flow control circuit is responsible for controlling the water flow of the direct drinking water machine to prevent the water flow from being too large or too small. It can automatically adjust the opening of the water valve according to user needs or preset flow parameters to achieve stable and accurate flow output.

[0046] Specifically, the main control chip: as the core of the entire control system, receives control signals from each circuit. It processes and analyzes the received signals and data, and then issues corresponding control instructions to each circuit. The main control chip can also realize communication and linkage with other smart devices to improve the intelligence level of the direct drinking water machine.

[0047] Specifically, the screen displays the water machine status under normal conditions; when the button is pressed to dispense water, the screen switches to the advertising interface; when the water is dispensed, the screen switches to the water machine status; when no one presses the button to dispense water for 10 minutes, the screen goes dark; when the water dispense button is clicked, the screen activates and switches to the advertising interface; Technical issues and technical effects. When the user is dispensing water, the screen content fails to dynamically adjust according to the usage scenario. The screen fails to save energy effectively when no one is using it.

[0048] See also Figure 2 , wherein the cold water valve control circuit is composed of a third diode, a nineteenth resistor, a twentieth resistor, a third MOS tube and an eighth terminal;

[0049] The first end of the third diode is connected in parallel with the working voltage input end and the second end of the eighth terminal, and the second end of the third diode is connected in parallel with the drain of the third MOS tube and the first end of the eighth terminal; the gate of the third MOS tube is connected in parallel with the first ends of the nineteenth resistor and the twentieth resistor, the source of the third triode and the second end of the nineteenth resistor are connected in parallel to the ground, and the second end of the twentieth resistor is connected to the main control chip.

[0050] See also Figure 3 , wherein the hot water valve control circuit is composed of a fourth diode, a twenty-first resistor, a twenty-second resistor, a fourth MOS tube and a ninth terminal;

[0051] The first end of the fourth diode is connected in parallel with the working voltage input end and the second end of the ninth terminal, and the second end of the fourth diode is connected in parallel with the drain of the fourth MOS tube and the first end of the ninth terminal; the gate of the fourth MOS tube is connected in parallel with the first ends of the twenty-first resistor and the twenty-second resistor, the source of the fourth MOS tube and the second end of the twenty-first resistor are connected in parallel to the ground, and the second end of the twenty-second resistor is connected to the main control chip.

[0052] See also Figure 4 , wherein the flow control circuit is composed of a ninth capacitor, a tenth capacitor, a fourteenth resistor, a fifteenth resistor, a thirty-sixth resistor, a fifty-fifth resistor, a seventieth resistor, a triode and a sixth terminal;

[0053] The ninth capacitor is connected in series to the first end of the sixth terminal, the second end of the sixth terminal is grounded, the third end of the sixth terminal and the tenth capacitor are connected in parallel to the first end of the seventieth resistor, the second end of the seventieth resistor is connected in parallel to the first end of the thirty-sixth resistor and the base of the tenth transistor, the collector of the tenth transistor and the fifteenth resistor are connected in series and then connected in parallel to the fourteenth resistor and the fifty-fifth resistor.

[0054] See also Figure 5 Among them, the key control circuit is used to send corresponding control signals to the main control chip according to the user's key operation.

[0055] Wherein, the key control circuit is composed of an eighth capacitor, a nineteenth capacitor, a twentieth capacitor, a forty-first resistor, a forty-second resistor, a forty-third resistor, a forty-fourth resistor, a sixty-third resistor, a seventh transistor, an eighth transistor and a fifth terminal;

[0056] The first end of the eighth capacitor is connected in parallel with the fourth end of the fifth wiring terminal and the first end of the sixty-third resistor, the second end of the sixty-third resistor is connected in series with the emitter of the seventh triode, the base of the seventh triode is connected in parallel with the nineteenth capacitor and the forty-first resistor, and the collector of the seventh triode is connected in parallel with the forty-second resistor and the main control chip;

[0057] The collector of the eighth transistor is connected in parallel with the forty-third resistor and the third end of the fifth terminal, the base of the eighth transistor is connected in parallel with the forty-fourth resistor and the twentieth capacitor, the emitter of the eighth transistor is connected in parallel with the main control chip, the first end of the fifth terminal is connected to the working voltage input terminal, and the second end of the fifth terminal is grounded.

[0058] See also Figure 6 Among them, the TDS detection circuit is used to detect the TDS value of the water source and send the detected TDS value to the main control chip.

[0059] Specifically, the TDS detection circuit detects the total dissolved solids value of the water source in real time to reflect the water quality. The detected TDS value is sent to the main control chip, which can determine whether the water quality meets the drinking standard or whether it is necessary to remind the user to replace the filter element based on this value.

[0060] Specifically, the main control chip uses GD32F103CB.

[0061] Wherein, the TDS detection circuit is composed of a sixteenth resistor, a seventeenth resistor, an eighteenth resistor, an eleventh capacitor and a seventh wiring terminal;

[0062] The first end of the seventh terminal is connected in series with the sixteenth resistor on the main control chip, the second end of the seventh terminal is connected in parallel with the seventeenth resistor and the eighteenth resistor, and the eighteenth resistor and the eleventh capacitor are connected in parallel to the ground.

[0063] Specifically, according to the user's operating requirements, the opening and closing of the hot and cold water valves are accurately controlled to provide the required drinking water. The water quality is detected in real time to ensure the safety of the water quality for users to drink. The heating state of the heater is accurately controlled to ensure the temperature and quality of the hot water. The water flow is stably controlled to provide a comfortable drinking experience. The intelligent control of the direct drinking water machine and the linkage with other equipment are realized to improve the convenience and satisfaction of users.

[0064] The utility model can achieve rapid response and accurate adjustment of the cold and hot water valves by precisely controlling the control circuits of the cold water valve and the hot water valve through the main control chip. The flow control circuit can adjust the opening of the cold water valve and the hot water valve as needed, thereby controlling the output of the water flow and meeting the different needs of users. The display circuit can conduct the display when the cold water valve or the hot water valve is turned on, providing the user with intuitive visual feedback and improving the user experience. By adding the function of dimming the screen after no one uses it for a period of time, energy waste is effectively reduced.

[0065] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A direct drinking water machine control system, characterized in that: include: Main control chip: used to receive control signals and detection data, and issue corresponding control instructions; Cold water valve control circuit: used to receive the control signal from the main control chip and control the opening and closing of the cold water valve; Hot water valve control circuit: used to receive the control signal from the main control chip and control the opening and closing of the hot water valve; Flow control circuit: used to control the water flow of the direct drinking water machine, adjust the opening of the cold water valve and the hot water valve to control the output of the water flow; Display circuit: used to display when the cold water valve control circuit or the hot water valve control circuit is turned on.

2. The direct drinking water machine control system according to claim 1, characterized in that: The cold water valve control circuit is composed of a third diode, a nineteenth resistor, a twentieth resistor, a third MOS tube and an eighth connection terminal; The first end of the third diode is connected in parallel with the working voltage input end and the second end of the eighth terminal, and the second end of the third diode is connected in parallel with the drain of the third MOS tube and the first end of the eighth terminal; the gate of the third MOS tube is connected in parallel with the first ends of the nineteenth resistor and the twentieth resistor, the source of the third diode and the second end of the nineteenth resistor are connected in parallel to the ground, and the second end of the twentieth resistor is connected to the main control chip.

3. The direct drinking water machine control system according to claim 1, characterized in that: The hot water valve control circuit is composed of a fourth diode, a twenty-first resistor, a twenty-second resistor, a fourth MOS tube and a ninth terminal; The first end of the fourth diode is connected in parallel with the working voltage input end and the second end of the ninth terminal, and the second end of the fourth diode is connected in parallel with the drain of the fourth MOS tube and the first end of the ninth terminal; the gate of the fourth MOS tube is connected in parallel with the first ends of the twenty-first resistor and the twenty-second resistor, the source of the fourth MOS tube and the second end of the twenty-first resistor are connected in parallel to the ground, and the second end of the twenty-second resistor is connected to the main control chip.

4. The direct drinking water machine control system according to claim 1, characterized in that: The flow control circuit is composed of a ninth capacitor, a tenth capacitor, a fourteenth resistor, a fifteenth resistor, a thirty-sixth resistor, a fifty-fifth resistor, a seventieth resistor, a triode and a sixth terminal; The ninth capacitor is connected in series to the first end of the sixth terminal, the second end of the sixth terminal is grounded, the third end of the sixth terminal and the tenth capacitor are connected in parallel to the first end of the seventieth resistor, the second end of the seventieth resistor is connected in parallel to the first end of the thirty-sixth resistor and the base of the tenth transistor, the collector of the tenth transistor and the fifteenth resistor are connected in series and then connected in parallel to the fourteenth resistor and the fifty-fifth resistor.

5. The direct drinking water machine control system according to claim 1, characterized in that: Also includes: Key control circuit: used to send corresponding control signals to the main control chip according to the user's key operation.

6. The direct drinking water machine control system according to claim 5, characterized in that: The key control circuit is composed of an eighth capacitor, a nineteenth capacitor, a twentieth capacitor, a forty-first resistor, a forty-second resistor, a forty-third resistor, a forty-fourth resistor, a sixty-third resistor, a seventh transistor, an eighth transistor and a fifth terminal; The first end of the eighth capacitor is connected in parallel with the fourth end of the fifth wiring terminal and the first end of the sixty-third resistor, the second end of the sixty-third resistor is connected in series with the emitter of the seventh transistor, the base of the seventh transistor is connected in parallel with the nineteenth capacitor and the forty-first resistor, and the collector of the seventh transistor is connected in parallel with the forty-second resistor and the main control chip; The collector of the eighth transistor is connected in parallel with the forty-third resistor and the third end of the fifth terminal, the base of the eighth transistor is connected in parallel with the forty-fourth resistor and the twentieth capacitor, the emitter of the eighth transistor is connected in parallel with the main control chip, the first end of the fifth terminal is connected to the working voltage input terminal, and the second end of the fifth terminal is grounded.

7. The direct drinking water machine control system according to claim 1, characterized in that: Also includes: TDS detection circuit: used to detect the TDS value of the water source and send the detected TDS value to the main control chip.

8. The direct drinking water machine control system according to claim 7, characterized in that: The TDS detection circuit is composed of a sixteenth resistor, a seventeenth resistor, an eighteenth resistor, an eleventh capacitor and a seventh wiring terminal; The first end of the seventh terminal is connected in series with the sixteenth resistor on the main control chip, the second end of the seventh terminal is connected in parallel with the seventeenth resistor and the eighteenth resistor, and the eighteenth resistor and the eleventh capacitor are connected in parallel to the ground.

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