WO2021147154A1 - Air water-making machine capable of ultraviolet sterilization - Google Patents

Abstract

Disclosed is an air water-making machine capable of ultraviolet sterilization. The air water-making machine comprises a housing, a water-making system and a control circuit, wherein the water-making system comprises ultraviolet sterilization lamps and liquid level sensors; the control circuit comprises a water-making machine controller and water quality sensors; a control end of each of the ultraviolet sterilization lamps, a signal output end of each of the liquid level sensors and a signal output end of each of the water quality sensors are respectively connected to the water-making machine controller; a first ultraviolet sterilization lamp, a first liquid level sensor and a first water quality sensor are arranged in a water storage tank, and a second ultraviolet sterilization lamp, a second liquid level sensor and a second water quality sensor are arranged in a water purification tank; and the water-making machine controller switches on or switches off the ultraviolet sterilization lamp in a corresponding water tank according to water quality data provided by the water quality sensors and/or water level data provided by the liquid level sensors. According to the present invention, the ultraviolet sterilization lamps are provided in both the water storage tank and the water purification tank, such that water in the water tanks can be sterilized in a timely manner according to requirements; and the amount of sterilization load of a secondary water quality filtering apparatus is relatively small, and the system sterilization effect is good.

Description

Ultraviolet light sterilized air water maker [Technical Field]

The invention relates to air water making equipment, in particular to an air water making machine sterilized by ultraviolet light.

[Background technique]

my country is one of the countries lacking water resources. In some remote, arid and poor areas where it is extremely difficult to obtain clean and lack of water sources, it is difficult to lay long-distance water supply pipelines to provide drinking water, or to transport drinking water to and from transportation vehicles without calculating transportation costs. , Or installing a large-scale water purification system, the cost of safe water becomes very high; in addition to the high cost of water, long-distance transportation or transportation may cause changes in water quality or secondary pollution, making it impossible for people to drink directly and safely.

The application number is CN201611206113.2. The invention discloses an air purification and purification water making machine, which includes a casing, a water making system, a refrigeration system and a control circuit. The refrigeration system includes a first evaporator, a fan, a compressor, a first condenser and The second condenser, the casing includes an air inlet and an air outlet, the second condenser is connected in parallel with the first condenser, and the second condenser is arranged between the air inlet and the first evaporator; the outside air enters from the air inlet and passes through the first evaporator. After the second condenser, it passes through the first evaporator, and then is discharged from the air outlet through the first condenser; the control circuit includes a controller, a first electronic control valve, a temperature sensor and a humidity sensor; the first electronic control valve is arranged in the second At the entrance of the condenser, the control end of the first electronic control valve, the output end of the temperature sensor of the first electronic control valve and the output end of the humidity sensor are respectively connected to the controller. The water filter device of air purification and purification water maker includes PP fiber filter, activated carbon filter, magnetized filter, RO water treatment device and UV sterilization system, PP fiber filter, activated carbon filter, magnetized filter, RO water treatment device It is connected in series with the UV sterilization system; the inlet of the PP fiber filter is connected to the raw water tank through a water pump, and the outlet of the UV sterilization system is connected to the water purification tank.

In this invention, there is no sterilization device in the front of the water quality filtering device, and the sterilization load of the water quality filtering device is too large, which affects the sterilization effect of the system.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a secondary water filter device with a small sterilization load and an ultraviolet light sterilization air water maker with good system sterilization effect.

In order to solve the above technical problems, the technical solution adopted by the present invention is an ultraviolet light sterilized air water maker, including a casing, a water system, a refrigeration system, a water supply system, and a control circuit. The water system includes a water storage tank. , Water purification tank, high-pressure water pump, primary water quality filtering device, secondary water quality filtering device, multiple ultraviolet light sterilization lamps and multiple liquid level sensors, the original water tank is connected to the water storage tank and water storage tank through the primary water quality filtering device Connected to the inlet of the high-pressure water pump, the outlet of the high-pressure water pump is connected to the water purification tank through the secondary water quality filter device, and the outlet of the water purification tank is connected to the water supply system; the control circuit includes the water maker controller and multiple water quality sensors, and the ultraviolet light sterilization lamp The control terminal, the signal output terminal of the liquid level sensor and the signal output terminal of the water quality sensor are respectively connected to the water maker controller; the first ultraviolet light sterilization lamp, the first liquid level sensor and the first water quality sensor are arranged in the water storage tank, The second ultraviolet light sterilization lamp, the second liquid level sensor and the second water quality sensor are arranged in the water purification tank; the water maker controller opens and closes according to the water quality data provided by the water quality sensor and/or the water level data provided by the liquid level sensor Corresponding to the UV sterilization lamp in the water tank.

In the above-mentioned air water maker, the control circuit includes a water quality controller, which is communicatively connected with the water maker controller; the solenoid valve connects the outlet of the water purification tank and the inlet of the high pressure water pump, the control end of the solenoid valve and the high pressure water pump The control ends of the are respectively connected to the water quality controller.

In the above-mentioned air water maker, the water maker controller informs the water quality controller to turn on the high-pressure water pump to supply water to the water purification tank according to the amount of water in the water purification tank; the controller according to the water quality data of the water purification tank fed back by the second water quality sensor , Notify the water quality controller, turn on the solenoid valve and high-pressure water pump, and reprocess the purified water stored in the water purification tank; when the water consumption of the water purification tank is lower than the set value during the set time period, the water maker controller Notify the water quality controller to turn on the solenoid valve and the high-pressure water pump to process the purified water stored in the water purification tank again.

The above-mentioned air water maker includes an air filter and anion purifier. The refrigeration system includes an evaporator, a fan and a condenser. The casing includes an air inlet and an air outlet. The air filter is arranged at the air inlet and the evaporator. In the air duct between, the raw water tank of the water system is arranged in the lower part of the casing, under the evaporator, the control circuit includes an anemometer, the control end of the negative ion purifier is connected to the water generator controller, and the anemometer is arranged at the air inlet and In the air duct between the evaporators, the output end is connected to the water generator controller; the negative ion purifier is arranged in the air duct between the air inlet and the air filter, and the water generator controller controls the negative ion purifier according to the data output by the anemometer The opening and closing.

In the above-mentioned air water maker, the control circuit includes two temperature sensors, two humidity sensors and two anemometers. The first temperature sensor, the first humidity sensor and the first anemometer are arranged at the air inlet and the air In the air duct between the filters; the second temperature sensor, the second humidity sensor and the second anemometer are arranged in the air duct between the air filter and the evaporator; the fan is arranged between the evaporator and the condenser It is a frequency conversion fan, and the control end of the frequency conversion fan is connected to the water generator controller; the water generator controller performs complex analysis on the data output by the two temperature sensors, two humidity sensors and two anemometers to control the negative ion purifier The opening and closing and the speed of the fan.

The above-mentioned air water maker includes an air inlet heater, which is arranged in the air duct between the air inlet and the air filter, and the control end of the air inlet heater is connected to the water maker controller; The machine controller controls the opening and closing of the air inlet heater according to the data output by the temperature sensor and the humidity sensor.

In the above-mentioned air water maker, the control circuit includes a control panel for setting control parameters and displaying the operating status of the equipment, and the control panel is connected to the water maker controller.

Both the water storage tank and the water purification tank of the air water maker of the present invention are equipped with ultraviolet light sterilization lamps, which can sterilize the water in the water tank in time according to needs. The sterilization load of the secondary water filter device is relatively high. Small, good system sterilization effect.

[Explanation of drawings]

The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

Fig. 1 is a schematic cross-sectional structure diagram of an air water maker according to an embodiment of the present invention.

Fig. 2 is a block diagram of an air water maker system according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a control circuit of an air water maker according to an embodiment of the present invention.

Fig. 4 is a schematic block diagram of a secondary water quality filtering device according to an embodiment of the present invention.

Fig. 5 is a control flow chart of an air water maker according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a water storage tank according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a water purification tank according to an embodiment of the present invention.

[Detailed ways]

The structure and principle of the air water maker in the embodiment of the present invention are shown in Figures 1 to 7, including a casing, an air filter, an air inlet heater, an ion purifier, a water system, a refrigeration system, a water supply system, and a control Circuit.

The refrigeration system includes assembly parts such as evaporator, fan, compressor and condenser.

As shown in Figure 1, the casing includes an air inlet and an air outlet, and the air inlet and the air outlet are respectively equipped with metal shutters. The air inlet, evaporator, fan, condenser and air outlet form an air passage. The air filter is arranged in the air passage between the air inlet and the evaporator. The air filter includes an electrostatic air filter and an activated carbon air filter.

As shown in Figure 2, the raw water tank, the water storage tank, the water purification tank, the solenoid valve, the high-pressure water pump, the primary water quality filter device, the secondary water quality filter device, multiple ultraviolet light sterilization lamps and multiple liquid level sensors.

As shown in Figure 2, the control circuit includes a central control system, a water quality controller, two temperature sensors, two humidity sensors, two water quality sensors and two anemometers.

The central control system includes a water machine controller (PLC), a control panel and an AD/DA converter. The control panel communicates with the water maker controller and is used to set control parameters and display the operating status of the equipment. The AD/DA converter is connected with the water maker controller, the AD receiving module of the AD/DA converter is used to receive analog signals, and the DA command sending module of the AD/DA converter is used to send commands to each system or unit.

Work is done through default parameters or instructions, such as the switch of the water maker, the switch of the user's request for drinking water, and so on. In addition, the signal of the receiving system has been used to unify all system operating conditions and fault signals, and the phase parameters of the central control system are effectively monitored in real time. The entire system data, operating status and fault signals can also be monitored through the PLC through the transceiver, so that the central control system can monitor multiple main systems at the same time, which can improve the monitoring and maintenance.

The PLC controller uses the software program computer as the control parameters, and receives the operation status and fault signals through the AD converter to monitor and issue instructions, so that the air can be used to make water under automatic and self-monitoring.

As shown in Figure 1, the anemometer is arranged in the air duct between the air inlet and the evaporator, and the output terminal is connected to the water generator controller. The negative ion purifier is arranged in the air duct between the air inlet and the air filter, and the water maker controller controls the opening and closing of the negative ion purifier according to the data output by the anemometer.

The first temperature sensor, the first humidity sensor and the first anemometer are arranged in the air duct between the air inlet and the air cleaner. The second temperature sensor, the second humidity sensor and the second anemometer are arranged in the air duct between the air cleaner and the evaporator. The frequency conversion fan is arranged between the evaporator and the condenser, and the control end of the frequency conversion fan is connected to the water maker controller. The water maker controller performs complex analysis on the data output by the two temperature sensors, two humidity sensors and two anemometers, and controls the opening and closing of the negative ion purifier and the rotation speed of the fan.

The water maker controller compares the efficiency of the air filtration system and whether the system is clogged or the air quality is poor. The central control system analyzes and finds that the wind speeds before and after the air filtration system are quite different, and then issues instructions to turn on the negative ion purifier to purify the air. If there is still a big difference in wind speed after a period of time, the water maker controller will send an alarm to notify the technicians to maintain the filter and repair. The water maker controller automatically records and stores data.

The air inlet heater is arranged in the air duct between the air inlet and the air filter, and the control end of the air inlet heater is connected to the water generator controller. The water maker controller controls the opening and closing of the air inlet heater according to the data output by the temperature sensor and the humidity sensor.

The raw water tank is arranged in the lower part of the casing, under the evaporator and the water collector. As shown in Figure 2, the outlet of the original water tank is connected to the inlet of the water storage tank through the primary water filter device, the outlet of the water storage tank is connected to the inlet of the high pressure water pump, and the outlet of the high pressure water pump is connected to the inlet of the water purification tank through the secondary water filter device. , The outlet of the water purification tank is connected to the water supply system. The solenoid valve is connected to the outlet of the water purification tank and the inlet of the high-pressure water pump, and the control end of the solenoid valve and the control end of the high-pressure water pump are respectively connected to the water quality controller.

As shown in Figure 3, the water quality controller communicates with the water maker controller. The control end of the negative ion purifier, the control end of the frequency conversion fan, the control end of the air inlet heater, the control end of the ultraviolet light sterilization lamp, and the control end of the solenoid valve are respectively connected to the water maker controller through the AD/DA converter. The output terminal of the temperature sensor, the output terminal of the humidity sensor, the output terminal of the anemometer, the output terminal of the water quality sensor, and the output terminal of the liquid level sensor are respectively connected to the water maker controller through the AD/DA converter.

As shown in Figure 4, the secondary water quality filter device includes a secondary filter controller and a secondary filter controller, a cartridge filter, an ultraviolet light sterilizer, an electrolyzer, and a RO reverse osmosis filter. Communication and connection with the water maker controller.

Ultraviolet light sterilizer, electrolyzer, cartridge filter and R0 reverse osmosis filter are connected in series in sequence.

The ultraviolet light sterilizer includes a shell, a glass water tube and an ultraviolet light sterilization lamp. The glass water pipe and the ultraviolet light sterilization lamp are installed in the shell. The glass water pipe is connected to the water inlet and outlet of the ultraviolet light sterilizer housing, and the ultraviolet light is off. The bacteria lamp sterilizes the water flowing through the glass water pipe, and the control end of the ultraviolet light sterilization lamp is connected to the secondary filter controller.

The secondary water filtration device also includes 9 solenoid valves, and the control ends of all solenoid valves of the ultraviolet light sterilizer are connected to the secondary filter controller. The first solenoid valve is arranged at the water inlet of the ultraviolet light sterilizer, that is, the water inlet of the secondary water filter device. The second solenoid valve is arranged between the water outlet of the ultraviolet light sterilizer and the water inlet of the electrolyzer. The fourth solenoid valve and the fifth solenoid valve are connected in series between the water outlet of the electrolyzer and the water inlet of the filter element. The nine solenoid valve is arranged between the water outlet of the filter element filter and the water inlet of the RO reverse osmosis filter. One end of the third solenoid valve is connected to the water outlet of the ultraviolet light sterilizer, and the other end is connected to the fourth solenoid valve and the fifth through a three-way The solenoid valve is connected to the waterway, and the eighth solenoid valve is connected to the water outlet of the cartridge filter and the water outlet of the RO reverse osmosis filter.

The filter element filter includes three filter elements, the inlet of the first filter element is connected to the fifth solenoid valve, the outlet of the first filter element is divided into two ways, one way is connected to the inlet of the second filter element through the sixth solenoid valve, and the other way is connected through the seventh solenoid valve. The outlet of the third filter element, the second filter element and the third filter element are connected in series, and the outlet of the third filter element is divided into two ways, one way is connected to the eighth solenoid valve, and the other way is connected to the ninth solenoid valve.

The secondary filter controller of the secondary water filter device receives the instructions of the water generator controller, controls the opening and closing of different solenoid valves according to the water quality, and selects different water quality treatment units to achieve the best water treatment effect.

As shown in Figure 6, the first ultraviolet light sterilization lamp, the first liquid level sensor and the first water quality sensor are arranged in the water storage tank. As shown in Figure 7, the second ultraviolet light sterilization lamp, the second liquid level sensor And the second water quality sensor is arranged in the water purification tank.

The control end of the ultraviolet light sterilization lamp, the signal output end of the liquid level sensor and the signal output end of the water quality sensor are respectively connected to the water maker controller.

According to the water quality data provided by the water quality sensor and the water level data provided by the liquid level sensor, the water maker controller opens and closes the UV sterilization lamp in the corresponding water tank to ensure that the water quality in the water storage tank and the water purification tank is in the best condition .

As shown in Figure 7, the water maker controller informs the water quality controller to turn on the high-pressure water pump according to the amount of water in the water purification tank to supply water to the water purification tank. According to the water quality data of the water purification tank fed back by the second water quality sensor, the controller notifies the water quality controller to turn on the solenoid valve and the high-pressure water pump to process the purified water stored in the water purification tank again. In a set period of time, such as 4 hours, when the water purification tank is basically not used, the water maker controller informs the water quality controller to turn on the solenoid valve and the high-pressure water pump to perform the purification of the water stored in the water purification tank again. Treatment to ensure that the purified water in the water purification tank is fresh and sterile, while avoiding waste of purified water and energy.

Claims (7)

1. An ultraviolet light sterilized air water maker, including a casing, a water system, a refrigeration system, a water supply system, and a control circuit. The water system includes a water storage tank, a water purification tank, a high-pressure water pump, a first-stage water quality filter device, and Secondary water quality filtering device, the raw water tank is connected to the water storage tank through the primary water quality filtering device, the water storage tank is connected to the inlet of the high pressure water pump, the outlet of the high pressure water pump is connected to the water purification tank through the secondary water quality filtering device, and the outlet of the water purification tank is connected to the water supply System; the control circuit includes a water maker controller, characterized in that the control circuit includes a plurality of water quality sensors, the water system includes a plurality of ultraviolet light sterilization lamps and a plurality of liquid level sensors, the control end of the ultraviolet light sterilization lamp, The signal output end of the liquid level sensor and the signal output end of the water quality sensor are respectively connected to the water maker controller; the first ultraviolet light sterilization lamp, the first liquid level sensor and the first water quality sensor are arranged in the water storage tank, and the second ultraviolet light The light sterilization lamp, the second liquid level sensor and the second water quality sensor are arranged in the water purification tank; the water maker controller opens and closes the corresponding water tank according to the water quality data provided by the water quality sensor and/or the water level data provided by the liquid level sensor UV sterilization lamp in the.
2. The air water maker according to claim 1, wherein the control circuit comprises a water quality controller, the water quality controller is communicatively connected with the water maker controller; the solenoid valve connects the outlet of the water purification tank and the inlet of the high-pressure water pump, and the electromagnetic valve is connected to the outlet of the water purification tank and the inlet of the high-pressure water pump. The control end of the valve and the control end of the high-pressure water pump are respectively connected to a water quality controller.
3. The air water maker according to claim 2, wherein the water maker controller informs the water quality controller to turn on the high-pressure water pump and supply water to the water purification tank according to the amount of water in the water purification tank; the controller according to the second water quality sensor The feedback water quality data of the water purification tank inform the water quality controller, open the solenoid valve and the high-pressure water pump, and reprocess the purified water stored in the water purification tank; during the set time period, the water consumption of the water purification tank is lower than the set value When the time, the water maker controller informs the water quality controller to turn on the solenoid valve and the high-pressure water pump to process the purified water stored in the water purification tank again.
4. The air water maker according to claim 1, characterized in that it comprises an air filter and an ion purifier, the refrigeration system includes an evaporator, a fan and a condenser, the casing includes an air inlet and an air outlet, and an air filter Arranged in the air duct between the air inlet and the evaporator, the raw water tank of the water making system is arranged in the lower part of the casing, below the evaporator, the control circuit includes an anemometer, and the control terminal of the negative ion purifier is connected to the water making machine controller. The anemometer is arranged in the air duct between the air inlet and the evaporator, and the output end is connected to the water machine controller; the negative ion purifier is arranged in the air duct between the air inlet and the air filter, and the water machine controller is based on the anemometer The output data controls the opening and closing of the negative ion purifier.
5. The air water maker according to claim 4, wherein the control circuit includes two temperature sensors, two humidity sensors, and two anemometers, a first temperature sensor, a first humidity sensor, and a first wind speed sensor. The meter is arranged in the air duct between the air inlet and the air filter; the second temperature sensor, the second humidity sensor and the second anemometer are arranged in the air duct between the air filter and the evaporator; the arrangement of the fan Between the evaporator and the condenser, there is a frequency conversion fan. The control end of the frequency conversion fan is connected to the water maker controller; the water maker controller replicates the data output by two temperature sensors, two humidity sensors and two anemometers. Integrate analysis and control the opening and closing of the negative ion purifier and the rotation speed of the fan.
6. The air water maker according to claim 5, characterized in that it comprises an air inlet heater, the air inlet heater is arranged in the air duct between the air inlet and the air filter, and the control terminal of the air inlet heater is connected to the air duct. Water machine controller: The water machine controller controls the opening and closing of the air inlet heater according to the data output by the temperature sensor and the humidity sensor.
7. The air water maker according to claim 1, wherein the control circuit includes a control panel for setting control parameters and displaying the operating status of the device, and the control panel is connected to the water maker controller.

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