CN112050459B - Water purification system, control method thereof and water purifier - Google Patents
Water purification system, control method thereof and water purifier Download PDFInfo
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- CN112050459B CN112050459B CN202010898394.2A CN202010898394A CN112050459B CN 112050459 B CN112050459 B CN 112050459B CN 202010898394 A CN202010898394 A CN 202010898394A CN 112050459 B CN112050459 B CN 112050459B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/0018—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using electric energy supply
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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Abstract
The invention discloses a water purification system, a control method thereof and a water purifier, wherein the water purification system comprises a purification device, a power supply device, a first heating device, a first temperature sensor and a control module; the power supply device comprises a water inlet channel, a water outlet channel and a power supply module; the power supply module is used for generating electric energy according to the temperature difference between the water inlet channel and the water outlet channel; the first temperature sensor is used for acquiring the actual outlet water temperature of the water purification system and sending the actual outlet water temperature to the control module, and the control module is used for controlling the power supply module to provide electric energy for the first water pump or the first heating device according to the actual outlet water temperature. The invention realizes automatic adjustment of the outlet water temperature through the power supply device, and effectively controls the outlet water temperature to be kept in the temperature deviation range; the water inlet temperature in the water inlet channel is controlled by the water inlet temperature control device, so that the control precision of the water outlet temperature is further improved, and the use requirements of users are better met.
Description
Technical Field
The invention relates to the technical field of water purification products, in particular to a water purification system, a control method of the water purification system and a water purifier.
Background
With the increasing popularity of water purification products, the individual water purification functions have not been able to meet the needs of some users, and many people want water purification products to include a hot water outlet function. Under different use scenes, the requirements of users on the outlet water temperature of the water purification product are different, for example, the water temperature is required to be about 90 ℃ when the water purification product is used for making tea or coffee, and the water temperature is required to be about 45 ℃ when the water purification product is normally drunk.
At present, a plurality of drinking water products with heating functions are available on the market, for example, the drinking water products are connected behind a water purifier through a pipeline machine to heat purified water, and some water purification products are provided with hot water through a hot tank. However, these products have the problem that when the difference of the inlet water temperature is large, the prepared hot water has a large difference with the set temperature; in addition, at the initial stage and the middle and later stages of the service life of the product, the prepared hot water has a larger difference with the set temperature, so that the requirement of the outlet water temperature of a user cannot be met.
Disclosure of Invention
The invention aims to overcome the defect that a water purification product in the prior art cannot meet the requirement of the outlet water temperature of a user, and provides a water purification system, a control method thereof and a water purifier.
The invention solves the technical problems through the following technical scheme:
the invention provides a water purification system, which comprises a purification device, a power supply device, a first heating device, a first temperature sensor and a control module, wherein the purification device comprises a water inlet pipe, a water outlet pipe and a water outlet pipe;
the power supply device comprises a water inlet channel, a water outlet channel and a power supply module;
the two ends of the water inlet channel are respectively communicated with the water outlet end of the purifying device and the water inlet end of the first heating device, the two ends of the water outlet channel are respectively communicated with the water outlet end of the first heating device and the water outlet of the water purifying system, and the power supply module is respectively and electrically connected with the first water pump in the main pipeline of the purifying device, the first heating device and the control module;
the first temperature sensor is electrically connected with the control module and arranged on a water outlet pipeline where a water outlet of the water purification system is located;
the power supply module is used for generating electric energy according to the temperature difference between the water inlet channel and the water outlet channel;
the first temperature sensor is used for acquiring the actual water outlet temperature of the water purification system and sending the actual water outlet temperature to the control module, and the control module is used for controlling the power supply module to supply the electric energy to the first water pump or the first heating device according to the actual water outlet temperature.
Preferably, the power supply module comprises a thermoelectric power generation sheet;
the two sides of the thermoelectric power generation piece are respectively arranged on the water inlet channel and the water outlet channel;
the thermoelectric generation piece is used for generating the electric energy according to the temperature difference between the water inlet channel and the water outlet channel.
Preferably, the power supply module comprises a second temperature sensor, a third temperature sensor and a voltage module;
the second temperature sensor is arranged on the water inlet channel, the third temperature sensor is arranged on the water outlet channel, and the second temperature sensor, the third temperature sensor and the voltage module are all electrically connected with the control module;
the second temperature sensor is used for acquiring a first temperature value corresponding to the water inlet channel, and the third temperature sensor is used for acquiring a second temperature value corresponding to the water outlet channel;
the control module is used for controlling the voltage module to output power supply voltage matched with the temperature difference according to the temperature difference between the first temperature value and the second temperature value so as to provide the electric energy.
Preferably, the control module is configured to determine whether the actual outlet water temperature is greater than a first preset temperature, and if so, control the power supply module to provide the electric energy to the first water pump;
wherein the working voltage of the first water pump is positively correlated with the water quantity of the water inlet channel;
the control module is further used for judging whether the actual outlet water temperature is lower than a second preset temperature or not, and if so, controlling the power supply module to provide the electric energy for the first heating device;
wherein, the working voltage of the first heating device is positively correlated with the second temperature value of the water outlet channel.
Preferably, the water purification system further comprises an inlet water temperature control device and a second water pump;
the inlet water temperature control device and the second water pump are sequentially arranged on a pipeline between the purification device and the inlet water channel of the power supply device;
the inlet water temperature control device and the second water pump are electrically connected with the control module;
the inlet water temperature control device is used for controlling the temperature of the water flowing out of the purification device within a set temperature range;
the control module is used for controlling the second water pump to supply the water with the set temperature range to the water inlet channel.
Preferably, the inlet water temperature control device comprises a water tank, a second heating device and a fourth temperature sensor;
the second heating device and the fourth temperature sensor are respectively arranged on the inner wall of the water tank;
the second heating device and the fourth temperature sensor are both electrically connected with the control module;
the control module is used for controlling the second heating device to heat the water in the water tank;
the fourth temperature sensor is used for detecting a third temperature value in the water tank and sending the third temperature value to the control module;
the control module is used for controlling the second heating device to stop heating when the third temperature value reaches a first set threshold value;
the control module is further used for controlling the second heating device to continue heating when the third temperature value is lower than a second set threshold value.
Preferably, the inlet water temperature control device further comprises a first liquid level sensor and a second liquid level sensor;
the first liquid level sensor and the second liquid level sensor are respectively arranged on the inner wall of the water tank;
the first liquid level sensor and the second liquid level sensor are both electrically connected with the control module;
the control module is used for controlling a water inlet valve of the water tank to be opened when a first liquid level value detected by the first liquid level sensor is smaller than a third set threshold value;
the control module is also used for controlling the closing of the water inlet valve of the water tank when the second level value detected by the second level sensor reaches a fourth set threshold value.
The invention also provides a water purifier, which comprises the water purifying system.
The invention also provides a control method of the water purification system, which is realized by adopting the water purification system, and the control method comprises the following steps:
the power supply module generates electric energy according to the temperature difference between the water inlet channel and the water outlet channel;
the first temperature sensor acquires the actual outlet water temperature of the water purification system and sends the actual outlet water temperature to the control module;
the control module controls the power supply module to provide the electric energy for the first water pump or the first heating device according to the actual outlet water temperature.
Preferably, the step of controlling, by the control module, the power supply module to supply the electric energy to the first water pump or the first heating device according to the actual outlet water temperature includes:
the control module judges whether the actual outlet water temperature is higher than a first preset temperature or not, and if so, the control module controls the power supply module to provide the electric energy for the first water pump;
wherein the working voltage of the first water pump is positively correlated with the water quantity of the water inlet channel;
the control module judges whether the actual outlet water temperature is lower than a second preset temperature or not, and if so, the control module controls the power supply module to provide the electric energy for the first heating device;
wherein, the working voltage of the first heating device is positively correlated with the second temperature value of the water outlet channel.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
(1) the water purification system is provided with a heating device to meet the hot water use requirement of a user; (2) generating electric energy through a power generation device according to the temperature difference existing between the cold water channel and the hot water channel; when the actual outlet water temperature is higher than the maximum allowable temperature, the electric energy is provided for a booster pump of the purification device, so that the working voltage of the booster pump is increased, the water flow rate in the pipeline is increased, and the temperature of the heating device after heating water is reduced; when the actual outlet water temperature is lower than the minimum allowable temperature, the electric energy is supplied to the heating device, so that the working voltage of the heating device is increased, the water flow speed in the pipeline is unchanged, the temperature of the heating device after heating water is increased, the outlet water temperature is automatically adjusted, and the outlet water temperature is effectively controlled to be kept within the temperature deviation range; (3) the water inlet temperature in the water inlet channel can be controlled by additionally arranging the water inlet temperature control device, so that the control precision of the water outlet temperature is further improved, and the use requirements of users are better met.
Drawings
Fig. 1 is a schematic structural view of a purification system according to embodiment 1 of the present invention.
Fig. 2 is a first structural schematic diagram of a purification system of embodiment 2 of the present invention.
Fig. 3 is a second schematic configuration diagram of the purification system of embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of a water purifying device in a purification system according to embodiment 2 of the present invention.
Fig. 5 is a flowchart of a control method of the purification system of embodiment 4 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the purification system of the present embodiment includes a purification apparatus 1, a power supply apparatus 2, a first heating apparatus 3, a first temperature sensor 4, and a control module (not shown in the figure).
Wherein, power supply unit 2 includes inhalant canal 6, exhalant canal 7 and power module 8.
Two ends of the water inlet channel 6 are respectively communicated with the water outlet end of the purifying device 1 and the water inlet end of the first heating device 3, two ends of the water outlet channel 7 are respectively communicated with the water outlet end of the first heating device 3 and the water outlet of the water purifying system, and the power supply module 8 is respectively and electrically connected with the first water pump 9, the first heating device 3 and the control module in the main pipeline of the purifying device 1;
the first temperature sensor 4 is electrically connected with the control module, and the first temperature sensor 4 is arranged on a water outlet pipeline where a water outlet of the water purification system is located;
the power supply module 8 is used for generating electric energy according to the temperature difference between the water inlet channel 6 and the water outlet channel 7
In an implementable technical solution, the power supply module 8 is a thermoelectric power generation sheet.
The two sides of the thermoelectric generation piece are respectively arranged on the water inlet channel 6 and the water outlet channel 7, and the thermoelectric generation piece is used for generating electric energy according to the temperature difference of the water temperature between the water inlet channel 6 and the water outlet channel 7. How the thermoelectric generation sheet generates electric energy according to the temperature difference belongs to the mature technology in the field, and therefore, the detailed description is omitted here. Or the like, or, alternatively,
in another embodiment, the power supply module 8 includes a second temperature sensor, a third temperature sensor, and a voltage module.
The second temperature sensor is arranged on the water inlet channel 6, the third temperature sensor is arranged on the water outlet channel 7, and the second temperature sensor, the third temperature sensor and the voltage module are all electrically connected with the control module;
the second temperature sensor is used for acquiring a first temperature value corresponding to the water inlet channel 6 and sending the first temperature value to the control module, and the third temperature sensor is used for acquiring a second temperature value corresponding to the water outlet channel 7 and sending the second temperature value to the control module.
The control module is used for controlling the voltage module to output power supply voltage matched with the temperature difference according to the temperature difference between the first temperature value and the second temperature value so as to provide electric energy.
The corresponding relation between the temperature difference between the cold water in the water inlet channel and the hot water in the water outlet channel and the voltage value to be provided can be predetermined according to practical experience, so that the power supply voltage matched with the temperature difference between the two channels can be timely determined when the temperature difference between the two channels is obtained in real time, the electric energy can be adaptively provided for the purification device or the first heating device according to the temperature difference between the cold water and the hot water, the purification device or the first heating device can be more accurately controlled, and the water outlet temperature of the whole water purification system can be more accurately controlled.
Of course, the outlet water temperature of the water purification system can also be controlled by providing set electric energy (constant voltage) to the purification device or the first heating device, and the control of the outlet water temperature can also be improved.
The first temperature sensor 4 is used for acquiring the actual outlet water temperature of the water purification system and sending the actual outlet water temperature to the control module, and the control module is used for controlling the power supply module 8 to supply electric energy to the first water pump 9 or the first heating device 3 according to the actual outlet water temperature. Wherein, the first water pump 9 is a booster pump.
Specifically, the control module is configured to determine whether the actual outlet water temperature is greater than a first preset temperature, and if so, control the power supply module 8 to supply electric energy to the first water pump 9;
wherein, the working voltage of the first water pump 9 is positively correlated with the water quantity of the water inlet channel 6;
assuming that the outlet water temperature is set to be t and the allowable temperature deviation Deltat, when the first temperature sensor detects that the actual outlet water temperature t1 is greater than t plus Deltat, the actual outlet water temperature is greater than the maximum allowable temperature, and at the moment, the electric energy is supplied to a booster pump of the purification device, so that the working voltage of the booster pump is increased, the water flow speed in a pipeline is increased, the temperature of the heating device after heating water is reduced, and the outlet water temperature is timely and effectively controlled to be kept within the temperature deviation range.
The control module is also used for judging whether the actual outlet water temperature is lower than a second preset temperature or not, and if so, the power supply module 8 is controlled to provide electric energy for the first heating device 3;
wherein, the working voltage of the first heating device 3 is positively correlated with the second temperature value of the water outlet channel 7.
Assuming that the outlet water temperature is set to be t and the allowable temperature deviation Deltat, when the first temperature sensor detects that the actual outlet water temperature t1 is less than t-Deltat, namely the actual outlet water temperature is less than the minimum allowable temperature, the electric energy is supplied to the first heating device at the moment, so that the working voltage of the first heating device is increased, the water flow speed in the pipeline is not changed at the moment, the temperature of the heating device after heating water is increased, and the outlet water temperature is effectively controlled to be kept within the temperature deviation range in time.
In the embodiment, the water purification system is provided with the heating device to meet the hot water use requirement of a user; generating electric energy through a power generation device according to the temperature difference existing between the cold water channel and the hot water channel; when the actual outlet water temperature is higher than the maximum allowable temperature, the electric energy is provided for a booster pump of the purification device, so that the working voltage of the booster pump is increased, the water flow rate in the pipeline is increased, and the temperature of the heating device after heating water is reduced; when the actual outlet water temperature is lower than the minimum allowable temperature, the electric energy is supplied to the heating device, so that the working voltage of the heating device is increased, the water flow speed in the pipeline is unchanged, the temperature of the heating device after heating water is increased, the outlet water temperature is automatically adjusted, and the outlet water temperature is effectively controlled to be kept within the temperature deviation range.
Example 2
As shown in fig. 2, the purification system of the present embodiment is a further modification of embodiment 1, specifically:
the water purification system of the present embodiment further includes an inlet water temperature control device 10 and a second water pump 11.
The inlet water temperature control device 10 and the second water pump 11 are sequentially arranged on a pipeline between the purification device 1 and the inlet water channel 6 of the power supply device 2.
The inlet water temperature control device 10 and the second water pump 11 are electrically connected with the control module;
the inlet water temperature control device 10 is used for controlling the temperature of the water flowing out of the purification device 1 in a set temperature range;
the control module is used for controlling the second water pump 11 to supply water with a set temperature range to the water inlet channel 6.
The water inlet temperature control device is used for providing water flow with a constant temperature range for a water inlet channel of the power supply device, so that the water outlet temperature of the whole water inlet system is controlled within a temperature deviation range more accurately. Wherein, the second water pump draws water in order to guarantee that the flow of the water that flows into among the first heating device does not have great deviation from the water tank to guarantee the stability of the rivers of play water, the user of being convenient for uses, satisfies user's use and experiences.
Specifically, as shown in fig. 3, the incoming water temperature control device 10 includes a water tank 12, a first liquid level sensor 13, a second liquid level sensor 14, a second heating device 15, and a fourth temperature sensor 16.
A first liquid level sensor 13, a second liquid level sensor 14, a second heating device 15, and a fourth temperature sensor 16 are respectively provided on the inner wall of the water tank 12.
The first liquid level sensor 13, the second liquid level sensor 14, the second heating device 15 and the fourth temperature sensor 16 are all electrically connected with the control module.
The control module is used for controlling a water inlet valve of the water tank 12 to be opened when the first liquid level value detected by the first liquid level sensor 13 is smaller than a third set threshold value, and controlling the water tank to start water inlet at the moment;
control module still is used for when the second liquid level value that second level sensor 14 detected reaches the fourth and sets for the threshold value then the inlet valve of control water tank 12 closes, and control water tank stops into water this moment, realizes the automatic control to the intaking or not intaking of water tank through first level sensor and second level sensor promptly, and whole journey need not artifical the participation, and the user of being convenient for uses, satisfies user's use and experiences.
The control module is used for controlling the second heating device 15 to heat the water in the water tank 12;
the fourth temperature sensor 16 is used for detecting a third temperature value in the water tank 12 and sending the third temperature value to the control module;
the control module is used for controlling the second heating device 15 to stop heating when the third temperature value reaches a first set threshold value; the control module is further configured to control the second heating device 15 to continue heating when the third temperature value is lower than a second set threshold.
As shown in fig. 4, the purification apparatus 1 of this embodiment includes a first filtering device 17, a first electromagnetic valve 18, a first water pump 9, and a second filtering device 19, which are sequentially disposed on the main water inlet pipeline, and one water outlet end of the second filtering device is communicated with the water inlet channel of the power supply apparatus or with the water inlet of the water inlet temperature control apparatus; in addition, the other water outlet end of the second filtering device is connected with a waste water valve 20 or a second electromagnetic valve 21, the second filtering device discharges waste water through the waste water valve or the second electromagnetic valve, and the opening degree of the waste water valve is smaller than that of the second electromagnetic valve. Of course, the purification device 1 may have other structures, and only the main pipeline of the purification device 1 needs to be provided with the first water pump, and the first water pump can provide water flow for the water inlet of the power supply device or the water inlet temperature control device.
In the embodiment, the water purification system is provided with the heating device to meet the hot water use requirement of a user; generating electric energy through a power generation device according to the temperature difference existing between the cold water channel and the hot water channel; when the actual outlet water temperature is higher than the maximum allowable temperature, the electric energy is provided for a booster pump of the purification device, so that the working voltage of the booster pump is increased, the water flow rate in the pipeline is increased, and the temperature of the heating device after heating water is reduced; when the actual outlet water temperature is lower than the minimum allowable temperature, the electric energy is supplied to the heating device, so that the working voltage of the heating device is increased, the water flow speed in the pipeline is unchanged, the temperature of the heating device after heating water is increased, the outlet water temperature is automatically adjusted, and the outlet water temperature is effectively controlled to be kept within the temperature deviation range; the water inlet temperature in the water inlet channel can be controlled by additionally arranging the water inlet temperature control device, so that the control precision of the water outlet temperature is further improved, and the use requirements of users are better met.
Example 3
The water purifier of the embodiment comprises the water purifying system of embodiment 1 or 2.
The water purifier of the embodiment is provided with a heating device to meet the hot water use requirement of a user; by additionally arranging the power generation device, the water outlet temperature can be automatically adjusted, and the water outlet temperature can be effectively controlled to be kept within the temperature deviation range; the water inlet temperature in the water inlet channel is controlled by additionally arranging the water inlet temperature control device, so that the control precision of the water outlet temperature is further improved, and the use requirements of users are better met.
Example 4
The control method of the water purification system of the present embodiment is implemented by the water purification system of embodiment 1 or 2.
As shown in fig. 5, the control method of the water purification system of the present embodiment includes:
s101, generating electric energy by a power supply module according to the temperature difference between a water inlet channel and a water outlet channel;
s102, acquiring the actual outlet water temperature of the water purification system by using a first temperature sensor and sending the actual outlet water temperature to a control module;
s103, the control module controls the power supply module to provide electric energy for the first water pump or the first heating device according to the actual water outlet temperature.
Specifically, the control module judges whether the actual outlet water temperature is higher than a first preset temperature, and if so, the control module controls the power supply module to provide electric energy for the first water pump;
wherein, the working voltage of the first water pump is positively correlated with the water quantity of the water inlet channel;
assuming that the outlet water temperature is set to be t and the allowable temperature deviation Deltat, when the first temperature sensor detects that the actual outlet water temperature t1 is greater than t plus Deltat, the actual outlet water temperature is greater than the maximum allowable temperature, and at the moment, the electric energy is supplied to a booster pump of the purification device, so that the working voltage of the booster pump is increased, the water flow speed in a pipeline is increased, the temperature of the heating device after heating water is reduced, and the outlet water temperature is timely and effectively controlled to be kept within the temperature deviation range.
The control module judges whether the actual outlet water temperature is lower than a second preset temperature or not, and if so, the control module controls the power supply module to provide electric energy for the first heating device;
the working voltage of the first heating device is positively correlated with the second temperature value of the water outlet channel.
Assuming that the outlet water temperature is set to be t and the allowable temperature deviation Deltat, when the first temperature sensor detects that the actual outlet water temperature t1 is less than t-Deltat, namely the actual outlet water temperature is less than the minimum allowable temperature, the electric energy is supplied to the first heating device at the moment, so that the working voltage of the first heating device is increased, the water flow speed in the pipeline is not changed at the moment, the temperature of the heating device after heating water is increased, and the outlet water temperature is effectively controlled to be kept within the temperature deviation range in time.
In addition, when water purification system still includes into water temperature control device and second water pump, into water temperature control device and second water pump set gradually on the pipeline between purifier and power supply unit's the passageway of intaking, into water temperature control device and second water pump all with the control module electricity when being connected, the control method of this embodiment still includes:
the inlet water temperature control device controls the temperature of the water flowing out of the purification device within a set temperature range;
the control module controls the second water pump to supply water with a set temperature range to the water inlet channel.
The water inlet temperature control device is used for providing water flow with a constant temperature range for the water inlet channel of the power supply device so as to ensure that the water outlet temperature of the whole water inlet system is controlled within a temperature deviation range more accurately. Wherein, the second water pump draws water in order to guarantee that the flow of the water that flows into among the first heating device does not have great deviation from the water tank to guarantee the stability of the rivers of play water, the user of being convenient for uses, satisfies user's use and experiences.
For other specific control processes, reference may be made to the contents described in embodiment 2, and therefore, the details are not described here.
In the embodiment, the power generation device generates electric energy according to the temperature difference between the cold water channel and the hot water channel; when the actual outlet water temperature is higher than the maximum allowable temperature, the electric energy is provided for a booster pump of the purification device, so that the working voltage of the booster pump is increased, the water flow rate in the pipeline is increased, and the temperature of the heating device after heating water is reduced; when the actual outlet water temperature is lower than the minimum allowable temperature, the electric energy is supplied to the heating device, so that the working voltage of the heating device is increased, the water flow speed in the pipeline is unchanged, the temperature of the heating device after heating water is increased, the outlet water temperature is automatically adjusted, and the outlet water temperature is effectively controlled to be kept within the temperature deviation range; the water inlet temperature in the water inlet channel can be controlled through the water inlet temperature control device, the control precision of the water outlet temperature is further improved, and the use requirements of users are better met.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A water purification system is characterized by comprising a purification device, a power supply device, a first heating device, a first temperature sensor and a control module;
the power supply device comprises a water inlet channel, a water outlet channel and a power supply module;
the two ends of the water inlet channel are respectively communicated with the water outlet end of the purifying device and the water inlet end of the first heating device, the two ends of the water outlet channel are respectively communicated with the water outlet end of the first heating device and the water outlet of the water purifying system, and the power supply module is respectively and electrically connected with the first water pump in the main pipeline of the purifying device, the first heating device and the control module;
the first temperature sensor is electrically connected with the control module and arranged on a water outlet pipeline where a water outlet of the water purification system is located;
the power supply module is used for generating electric energy according to the temperature difference between the water inlet channel and the water outlet channel;
the first temperature sensor is used for acquiring the actual outlet water temperature of the water purification system and sending the actual outlet water temperature to the control module, and the control module is used for controlling the power supply module to supply the electric energy to the first water pump or the first heating device according to the actual outlet water temperature;
the control module is used for judging whether the actual outlet water temperature is higher than a first preset temperature or not, and if so, controlling the power supply module to provide the electric energy for the first water pump;
the control module is further used for judging whether the actual outlet water temperature is lower than a second preset temperature or not, and if yes, the power supply module is controlled to supply the electric energy to the first heating device.
2. The water purification system of claim 1, wherein the power module comprises thermoelectric generation blades;
the two sides of the thermoelectric power generation piece are respectively arranged on the water inlet channel and the water outlet channel;
the thermoelectric generation piece is used for generating the electric energy according to the temperature difference between the water inlet channel and the water outlet channel.
3. The water purification system of claim 1, wherein the power module comprises a second temperature sensor, a third temperature sensor, and a voltage module;
the second temperature sensor is arranged on the water inlet channel, the third temperature sensor is arranged on the water outlet channel, and the second temperature sensor, the third temperature sensor and the voltage module are all electrically connected with the control module;
the second temperature sensor is used for acquiring a first temperature value corresponding to the water inlet channel, and the third temperature sensor is used for acquiring a second temperature value corresponding to the water outlet channel;
the control module is used for controlling the voltage module to output power supply voltage matched with the temperature difference according to the temperature difference between the first temperature value and the second temperature value so as to provide the electric energy.
4. The water purification system of claim 3, wherein the operating voltage of the first water pump is positively correlated with the amount of water in the water inlet channel;
the working voltage of the first heating device is positively correlated with the second temperature value of the water outlet channel.
5. The water purification system of any one of claims 1-4, further comprising an incoming water temperature control device and a second water pump;
the inlet water temperature control device and the second water pump are sequentially arranged on a pipeline between the purification device and the inlet water channel of the power supply device;
the inlet water temperature control device and the second water pump are electrically connected with the control module;
the inlet water temperature control device is used for controlling the temperature of the water flowing out of the purification device within a set temperature range;
the control module is used for controlling the second water pump to supply the water with the set temperature range to the water inlet channel.
6. The water purification system of claim 5, wherein the incoming water temperature control device comprises a water tank, a second heating device, and a fourth temperature sensor;
the second heating device and the fourth temperature sensor are respectively arranged on the inner wall of the water tank;
the second heating device and the fourth temperature sensor are both electrically connected with the control module;
the control module is used for controlling the second heating device to heat the water in the water tank;
the fourth temperature sensor is used for detecting a third temperature value in the water tank and sending the third temperature value to the control module;
the control module is used for controlling the second heating device to stop heating when the third temperature value reaches a first set threshold value;
the control module is further used for controlling the second heating device to continue heating when the third temperature value is lower than a second set threshold value.
7. The water purification system of claim 6, wherein the incoming water temperature control device further comprises a first level sensor and a second level sensor;
the first liquid level sensor and the second liquid level sensor are respectively arranged on the inner wall of the water tank;
the first liquid level sensor and the second liquid level sensor are both electrically connected with the control module;
the control module is used for controlling a water inlet valve of the water tank to be opened when a first liquid level value detected by the first liquid level sensor is smaller than a third set threshold value;
the control module is also used for controlling the closing of the water inlet valve of the water tank when the second level value detected by the second level sensor reaches a fourth set threshold value.
8. A water purification machine, characterized in that it comprises a water purification system according to any one of claims 1-7.
9. A control method of a water purification system, characterized in that the control method is implemented by the water purification system of any one of claims 1-7, the control method comprising:
the power supply module generates electric energy according to the temperature difference between the water inlet channel and the water outlet channel;
the first temperature sensor acquires the actual outlet water temperature of the water purification system and sends the actual outlet water temperature to the control module;
the control module controls the power supply module to provide the electric energy for the first water pump or the first heating device according to the actual outlet water temperature.
10. The control method of the water purification system according to claim 9, wherein the power supply module comprises a third temperature sensor, the third temperature sensor is disposed on the water outlet channel, and the third temperature sensor is used for acquiring a second temperature value corresponding to the water outlet channel;
the step that the control module controls the power supply module to provide the electric energy for the first water pump or the first heating device according to the actual outlet water temperature comprises the following steps:
the control module judges whether the actual outlet water temperature is higher than a first preset temperature or not, and if so, the control module controls the power supply module to provide the electric energy for the first water pump;
wherein the working voltage of the first water pump is positively correlated with the water quantity of the water inlet channel;
the control module judges whether the actual outlet water temperature is lower than a second preset temperature or not, and if so, the control module controls the power supply module to provide the electric energy for the first heating device;
wherein, the working voltage of the first heating device is positively correlated with the second temperature value of the water outlet channel.
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11132557A (en) * | 1997-10-31 | 1999-05-21 | Mitsubishi Electric Corp | Bath water circulation purifying system |
| JP4096471B2 (en) * | 1999-09-29 | 2008-06-04 | 松下電器産業株式会社 | Water heater |
| CN204607789U (en) * | 2015-03-31 | 2015-09-02 | 宁波方太厨具有限公司 | A kind of water purifying plant with disinfecting device |
| CN105413466B (en) * | 2015-12-21 | 2018-07-10 | 日出东方太阳能股份有限公司 | Water purifier and its cryogenic temperature compensation system |
| CN106277407A (en) * | 2016-09-20 | 2017-01-04 | 苏州三体智能科技有限公司 | It is suitable for the water cleaning systems of boreal climate |
| CN207862089U (en) * | 2017-12-08 | 2018-09-14 | 上海贝琪信息科技有限公司 | Solar water purifier |
| CN210286963U (en) * | 2019-07-10 | 2020-04-10 | Tcl家用电器（中山）有限公司 | Reverse osmosis water purifier |
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