WO2020181632A1

WO2020181632A1 - Method for controlling water dispenser, and water dispenser

Info

Publication number: WO2020181632A1
Application number: PCT/CN2019/084597
Authority: WO
Inventors: 李雄良; 高勇; 黄绵春; 耿纪伟
Original assignee: 佛山市顺德区美的饮水机制造有限公司; 美的集团股份有限公司
Priority date: 2019-03-12
Filing date: 2019-04-26
Publication date: 2020-09-17

Abstract

Disclosed are a method for controlling a water dispenser, and a water dispenser. The method for controlling the water dispenser comprises: S1: obtaining, during a refrigeration process, a first detected water temperature in a cold tank (10); S2: comparing the first detected water temperature with a first preset temperature, and if the first detected water temperature is less than or equal to the first preset temperature, executing step S3; and S3: starting a circulating water pump (20). According to the method, during the refrigeration process of the cold tank (10), namely an operation process of a heat exchanger, when the first detected water temperature obtained by real-time monitoring is less than or equal to the first preset temperature, the circulating water pump (20) is started, thereby enabling water in the cold tank (10) to circularly flow by means of the circulating water pump (20), facilitating the heat transfer of the water in different areas of the cold tank (10), accelerating the overall cooling speed of the water in the cold tank (10), and improving the refrigeration efficiency of same.

Description

Control method of drinking fountain and drinking fountain To

Related application

This application requires "For those applying on March 12, 2019, the application number is 201910188186.0, and the name is'Water dispenser control methods and drinking fountains'", and "For those applying on March 12, 2019, the application number is 201920314945.9, and the name is The priority of the Chinese patent application for'refrigeration device for drinking fountain and drinking fountain' is hereby incorporated by reference in its entirety.

Technical field

This application relates to the technical field of drinking fountains, and in particular to a control method of a drinking fountain and a drinking fountain.

Background technique

At present, the existing refrigerating water dispenser generally includes a cold tank, which is used to For refrigerating evaporators, it usually takes tens of minutes or even an hour to reach the preset refrigeration temperature from starting the refrigeration mode to stopping. The refrigeration time is too long to satisfy the user’s short time after starting. Time out of the demand for cold water. Although the refrigeration time can be shortened by increasing the refrigeration capacity of the compressor, the cost is relatively high and electric energy is wasted.

Application content

The main purpose of this application is to propose a water dispenser control method, which aims to solve the technical problem of how to shorten the cooling cycle of the water dispenser and reduce the cooling energy consumption.

In order to achieve the above-mentioned object, in the drinking fountain control method proposed in this application, the drinking fountain refrigeration system includes:

Cold tank, with circulating water inlet and outlet;

A heat exchanger for heat exchange with the water in the cold tank;

A circulating water pump, the water inlet of the circulating water pump is connected with the water outlet, and the water outlet is connected with the circulating water inlet;

The control method of the drinking fountain includes:

S1: During the cooling process, obtain the first detected water temperature in the cold tank;

S2: Compare the first detected water temperature with a first preset temperature, and if the first detected water temperature is less than or equal to the first preset temperature, perform step S3;

S3: Start the circulating water pump.

Optionally, after the step S1, the control method of the water dispenser further includes:

S4: Compare the first detected water temperature with a second preset temperature, and if the first detected water temperature is less than the second preset temperature, perform step S5; wherein, the second preset temperature is less than the first A preset temperature;

S5: Turn off the circulating water pump.

Optionally, the control method of the water dispenser further includes:

S6: During the refrigeration process, obtain the second detected water temperature in the cold tank;

S7: Compare the second detected water temperature with a third preset temperature, and if the second detected water temperature is less than or equal to the third preset temperature, perform step S8; the third preset temperature is less than the first 2. Preset temperature;

S8: Turn off the heat exchanger.

Optionally, the control method of the water dispenser further includes:

S9: During the refrigeration process, obtain the first operating time length of the heat exchanger;

S10: Compare the first running time with a first preset time, and if the first running time is greater than or equal to the first preset time, execute step S11;

S11: Turn off the heat exchanger.

Optionally, the control method of the water dispenser further includes:

S12: During the heat preservation process, obtain the third detected water temperature in the cold tank;

S13: Compare the third detected water temperature with a fourth preset temperature, and if the third detected water temperature is greater than or equal to the fourth preset temperature, perform step S14; the fourth preset temperature is greater than the first 2. Preset temperature;

S14: Start the heat exchanger and the circulating water pump.

Optionally, after the step S14, the control method of the water dispenser further includes:

S15: Obtain the fourth detected water temperature in the cold tank and the second operating time of the heat exchanger;

S16: Compare the fourth detected water temperature with a fifth preset temperature, and compare the second running duration with a second preset duration, if the fourth detected water temperature is less than or equal to the fifth preset temperature, and If the second operating period is greater than or equal to the second preset period of time, step S17 is executed; the fifth preset temperature is greater than the third preset temperature;

S17: Turn off the heat exchanger.

Optionally, after the step S15, the control method of the water dispenser further includes:

S18: Compare the fourth detected water temperature with a sixth preset temperature, and compare the second operating duration with a third preset duration, if the fourth detected water temperature is less than or equal to the sixth preset temperature, and If the second operating time is greater than or equal to the third preset time, then step S19 is executed; wherein, the sixth preset temperature is greater than the fifth preset temperature, and the third preset time is greater than the second Preset duration

S19: Turn off the heat exchanger.

S20: Obtain the fifth detected water temperature in the cold tank;

S21: Compare the fifth detected water temperature with the second preset temperature; if the fifth detected water temperature is less than or equal to the second preset temperature, perform step S22;

S22: Turn off the circulating water pump;

and / or,

S23: Obtain the sixth detected water temperature in the cold tank;

S24: Compare the sixth detected water temperature with the third preset temperature, and if the sixth detected water temperature is less than or equal to the third preset temperature, perform step S25;

S25: Turn off the heat exchanger.

Optionally, the size of the first preset temperature is 14.5°C to 15.5°C;

And/or, the magnitude of the second preset temperature is 3.5°C to 4.5°C;

And/or, the magnitude of the third preset temperature is 1.5°C to 2.5°C;

And/or, the magnitude of the fourth preset temperature is 5.5°C to 6.5°C;

Or, the size of the first preset duration is 115 minutes to 125 minutes;

And/or, the magnitude of the fifth preset temperature is 7.5°C to 8.5°C;

And/or, the magnitude of the sixth preset temperature is 9.5°C to 10.5°C;

And/or, the size of the second preset duration is 35 minutes to 45 minutes;

And/or, the size of the third preset duration is 115 minutes to 125 minutes.

This application also proposes a water dispenser, including a water dispenser refrigeration system, a memory, a processor, and a computer program stored on the memory and running on the processor, and the computer program is executed by the processor. The steps of a method for controlling a drinking fountain are realized during execution;

The water dispenser refrigeration system includes: a cold tank with a circulating water inlet and a water outlet; a heat exchanger for heat exchange with the water in the cold tank; a circulating water pump, the water inlet of the circulating water pump and the The water outlet is connected, and the water outlet is connected with the circulating water inlet;

The control method of the water dispenser includes: S1: obtaining a first detected water temperature in the cold tank during a cooling process; S2: comparing the first detected water temperature with a first preset temperature, if the first detected If the water temperature is less than or equal to the first preset temperature, step S3 is executed; S3: start the circulating water pump.

The control method of the water dispenser of this application starts the circulating water pump when the first detected water temperature obtained by real-time monitoring is less than or equal to the first preset temperature during the cooling process of the cold tank, that is, during the operation of the heat exchanger, so that The water in the cold tank is circulated through the circulating water pump, which can promote the heat transfer of the water in different areas in the cold tank, accelerate the overall cooling rate of the water in the cold tank, and improve the cooling efficiency.

Optionally, the water dispenser further includes a refrigeration device for the water dispenser, including: a cold tank including a tank body and a top cover provided on the tank body, the top cover is provided with an exhaust hole; The valve is arranged in the exhaust hole; the plugging float is arranged in the cold tank, and the plugging float can float to block the exhaust valve with the water level in the cold tank.

Optionally, the plugging float includes a float and a float rod. One end of the float rod is movably connected to the exhaust valve, and the other end is connected to the float. The float rod can be sealed with the float. Block the exhaust valve.

Optionally, the exhaust valve includes a housing and a valve core, the housing has an exhaust passage, the bottom of the valve core abuts against the floating rod, and the top of the valve core can block the floating rod along with the floating rod.述Exhaust channel.

Optionally, the inner wall of the exhaust passage is convexly provided with a limiting boss extending in the circumferential direction, and the limiting boss encloses an air passage hole communicating with the exhaust passage; the valve core is located at the An exhaust gap is formed in the exhaust passage and between the inner wall of the exhaust passage, the valve core is located below the limiting boss, and the valve core can rise to abut against the limiting position Boss and blocks the air passage.

Optionally, the lower end peripheral edge of the air passage hole protrudes from the lower end wall of the limiting boss.

Optionally, the valve core has a sealing position for blocking the air passage, and in the sealing position, the lower end of the valve core protrudes from the lower end of the exhaust passage.

Optionally, the floating rod is hinged to the housing, and the housing is convexly provided with a limiting protrusion. When the blocking floating body is not affected by buoyancy, the floating rod abuts against the limiting protrusion Up.

Optionally, the connection between the floating rod and the housing is located on a side of the valve core away from the float.

Optionally, the floating rod includes a first rod section connected to the floating body and a second rod section connected to the exhaust valve, the floating rod having a blocking position for blocking the exhaust valve, In the blocking position, the second rod section is located above the first rod section.

The refrigeration device of the water dispenser of the present application is provided with an exhaust valve in the exhaust hole of the cold tank, and a plugging floating body that can be used to block the exhaust valve is set in the cold tank, so that the air in the tank can be It is discharged from the vent to avoid the influence of air pressure on the water volume of the tank and increase the water capacity of the cold tank; when the cold tank is filled with water, that is, the water level rises to a sufficient height, the plugging float will rise to the plugging with the water level The exhaust valve prevents air flow between the tank body and the outside after being filled with water, thereby preventing the growth of bacteria and ensuring the safety of the user's water; thus, it not only increases the water storage capacity of the cold tank, but also ensures the water The safety of the water dispenser effectively improves the practicability of the refrigeration device of the water dispenser.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on the structure shown in these drawings.

Figure 1 is a schematic structural diagram of an embodiment of a water dispenser refrigeration system in this application;

2 is a schematic flowchart of an embodiment of a method for controlling a water dispenser according to the present application;

FIG. 3 is a schematic flowchart of another embodiment of a method for controlling a water dispenser according to the present application;

4 is a schematic flowchart of another embodiment of a method for controlling a water dispenser according to this application;

FIG. 5 is a schematic flowchart of still another embodiment of the method for controlling a water dispenser according to the present application;

FIG. 6 is a schematic flowchart of another embodiment of the method for controlling a water dispenser according to the present application;

FIG. 7 is a mapping diagram of the relationship between the working conditions of the compressor and the circulating water pump and the temperature and time in an embodiment of the control method for the water dispenser of this application;

FIG. 8 is a program schematic diagram of an embodiment of a method for controlling a water dispenser according to the present application;

FIG. 9 is a program schematic diagram of another embodiment of a method for controlling a water dispenser according to this application;

FIG. 10 is a program schematic diagram of another embodiment of a method for controlling a water dispenser according to the present application;

11 is an exploded view of the structure of an embodiment of the refrigeration device of the water dispenser in this application;

FIG. 12 is a schematic cross-sectional view of an embodiment of the refrigeration device of the water dispenser in this application;

Figure 13 is a partial enlarged view of A in Figure 12;

14 is a schematic cross-sectional view of another embodiment of the refrigeration device of the water dispenser in this application;

Fig. 15 is a partial enlarged view of B in Fig. 14.

Description with icon number:

Label	name	Label	name	Label	name
10	Cold pot	11	Circulating water inlet	12	Outlet
20	Circulating pump	321	First stroke	322	Second stroke
10	Cold pot	13	Tank	14	Top cover
121	Vent	200	Vent	30	Blocking the float
31	Float	32	Float	twenty one	case
211	Exhaust channel	twenty two	Spool	212	Limit boss
213	Stomata	214	Exhaust gap	215	Limit bump

The realization, functional characteristics, and advantages of the purpose of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of this application, the directional indication is only used to explain that it is in a specific posture (as shown in the accompanying drawings). Show) the relative positional relationship, movement situation, etc. between the components below, if the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions related to "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes, and cannot be understood as instructions or implications Its relative importance or implicitly indicates the number of technical features indicated. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and/or" in the full text means including three parallel schemes, taking "A and/or B as an example", including scheme A, scheme B, or schemes in which both A and B meet. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by a person of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. , Not within the scope of protection required by this application.

This application proposes a control method for a water dispenser.

In the embodiment of the present application, as shown in FIGS. 1 to 4, the water dispenser refrigeration system includes:

The cold tank 10 has a circulating water inlet 11 and a water outlet 12;

A heat exchanger for heat exchange with the water in the cold tank 10;

A circulating water pump 20, the water inlet end of the circulating water pump 20 is in communication with the water outlet 12, and the water outlet end is in communication with the circulating water inlet 11;

The control method of the drinking fountain includes:

S1: During the refrigeration process, obtain the first detected water temperature in the cold tank 10;

S3: Start the circulating water pump 20.

In this embodiment, the water dispenser refrigeration system also includes a compressor, a temperature sensor, and a controller. The compressor is used to drive the heat exchanger to operate. The heat exchanger is installed on the outer wall of the cold tank 10 and can be controlled by controlling the compressor to start and stop. The heat exchanger is turned on or off to control the cooling process of the water in the cold tank 10. The temperature sensor is used to detect the water temperature in the cold tank 10, and the controller is used to control the start of the circulating water pump 20 according to the detection signal of the temperature sensor. Specifically, during the refrigeration process, the compressor is in the on state, that is, the heat exchanger effectively exchanges heat with the water in the cold tank 10 to cool the water in the cold tank 10, and the temperature sensor monitors the water temperature in the cold tank 10 in real time. , And transmit the detection signal to the controller. The controller compares the first detected water temperature with the first preset temperature to determine whether to start the circulating water pump 20 to circulate the water in the cold tank 10. It should be noted that the detection area of the temperature sensor for the water in the cold tank 10 may be close to the heat exchanger, that is, the lowest water temperature in the cold tank 10 is detected. If the first detected water temperature is less than or equal to the first preset temperature, the controller controls the circulating water pump 20 to start to promote the circulation of water in the cold tank 10, so that the water in the low temperature zone in the cold tank 10 and water in other areas can be processed more efficiently. Heat transfer, so that the overall cooling efficiency of the water in the cold tank 10 is higher, and the cooling cycle is shorter.

The first preset temperature can be 14.5°C to 15.5°C, optionally 15°C. If the first preset temperature is less than 14.5°C, it will take longer for the water temperature in the cold tank 10 to drop to the first preset temperature, ie The compressor needs to work for a longer time, thereby increasing the energy consumption of the compressor; if the first preset time is greater than 15.5°C, the start time of the circulating water pump 20 will be earlier, which means that before the water temperature drops to the next preset temperature , The circulating water pump 20 will work longer, which increases the energy consumption of the circulating water pump 20; therefore, setting the first preset temperature to 14.5°C to 15.5°C can effectively reduce the cooling cycle of the water dispenser refrigeration system Energy consumption of water dispenser refrigeration system.

Further, as shown in FIG. 2, after the step S3, the control method of the water dispenser further includes:

S5: Turn off the circulating water pump 20.

In this embodiment, after step S3, that is, after the circulating water pump 20 is turned on, the compressor continues to work so that the water temperature in the cold tank 10 continues to decrease. At this time, the first detected water temperature is the water temperature after the circulating water pump 20 is turned on. The second preset temperature is less than the first preset temperature. If the first detected water temperature is less than or equal to the second preset temperature, the circulating water pump 20 is turned off, that is, when the water temperature in the cold tank 10 drops to the second preset temperature At this time, the water temperature is already low overall, and the circulation of water in the cold tank 10 can no longer significantly promote the heat transfer of water in different areas. Therefore, the water circulation in the cold tank 10 can no longer be realized, that is, the circulating water pump 20 can be turned off to reduce energy consumption. Therefore, the opening environment of the circulating water pump 20 is that the water temperature in the cold tank 10 is greater than the second preset temperature and less than the first preset temperature.

The second preset temperature can be 3.5°C to 4.5°C, and 4°C is optional. If the second preset temperature is less than 3.5°C, the circulating water pump 20 will work for a longer time, and the circulating water pump 20 cannot be effectively improved at this time The refrigeration efficiency of the cold tank 10 will increase energy consumption; if the second preset temperature is greater than 4.5°C, the circulating water pump 20 will be turned off before it can promote the heat transfer of the water in the cold tank 10, resulting in a decrease in the cooling speed, and The compressor needs to work longer, which increases energy consumption. Therefore, setting the second preset temperature to 3.5°C to 4.5°C can effectively reduce the energy consumption of the water dispenser refrigeration system on the basis of shortening the refrigeration cycle of the water dispenser refrigeration system.

Further, the control method of the drinking fountain further includes:

S6: During the cooling process, obtain the second detected water temperature in the cold tank 10;

S8: Turn off the heat exchanger.

In this embodiment, after step S5, that is, after the circulating water pump 20 is turned off, the compressor first continues to work, that is, the heat exchanger continues to cool the water in the cold tank 10, and the water temperature continues to decrease. At this time, the second detected water temperature is The water temperature after the circulating water pump 20 is turned off. The third preset temperature is less than the second preset temperature, that is, the third preset temperature can be used as the target temperature of the refrigeration process. When the water temperature in the cold tank 10 reaches the target temperature, the heat exchanger can stop working to prevent the water temperature from being too low Or increase energy consumption.

The third preset temperature can be 1.5°C to 2.5°C, and 2°C is optional. If the third preset temperature is less than 1.5°C, the compressor needs to work for a longer time. Since the user does not need colder water, continue The cooling water will not meet the needs of more users, but will increase the energy consumption; if the third preset temperature is greater than 2.5°C, the cooling temperature is not low enough and the cooling effect is not good. Therefore, setting the third preset temperature to 1.5°C to 2.5°C can effectively reduce the energy consumption of the water dispenser refrigeration system on the basis of shortening the cooling effect of the water dispenser refrigeration system.

Further, as shown in FIG. 3, the control method of the drinking fountain further includes:

S11: Turn off the heat exchanger.

In this embodiment, the water dispenser refrigeration system further includes a timing sensor to record the operating time of the compressor, that is, the operating time of the heat exchanger. The timing sensor sends the real-time operating time signal of the compressor to the controller, and the controller compares The compressor is controlled according to the comparison result between the first operating period and the first preset period. In combination with the above embodiments, during the refrigeration process, regardless of whether the water temperature in the cold tank 10 is lowered to the target temperature, as long as the first operating period of the heat exchanger is greater than or equal to the first preset period of time, the compressor is turned off to reduce heat exchange. The ineffective running time of the filter reduces energy consumption.

The size of the first preset time period is from 115 minutes to 125 minutes, and 120 minutes can be selected. If the first preset time period is less than 115 minutes, the water temperature in the cold tank 10 may not be reduced to the target temperature in time, thereby reducing Refrigeration effect; if the first preset time is greater than 125 minutes, the ineffective operation time of the heat exchanger will be lengthened, which will not reduce the water temperature to the target temperature, but will also increase energy consumption; therefore, set the first preset time to From 115 minutes to 125 minutes, it can effectively improve the cooling effect and reduce energy consumption.

Further, as shown in FIG. 4, the control method of the drinking fountain further includes:

S12: During the heat preservation process, obtain the third detected water temperature in the cold tank 10;

S14: Start the heat exchanger and the circulating water pump 20.

In this embodiment, when the water temperature in the cold tank 10 reaches the target temperature, the heat exchanger is closed, the refrigeration process ends, and the refrigeration system enters the heat preservation process. During the heat preservation process, the water in the cold tank 10 will interact with the surrounding environment of the cold tank 10 When the cold water is heated to a fourth preset temperature, the controller controls the circulating water pump 20 to start. At this time, the third detected water temperature is the water temperature after the heat exchanger is closed. It should be noted that at this time, the temperature sensor may include a temperature control part directly electrically connected to the compressor, that is, when the third detected water temperature is greater than or equal to the fourth preset temperature, the temperature control part may directly control the compressor to turn on, that is, not It needs to go through the controller so that the temperature sensor can be independently linked with the compressor under preset conditions, which improves the response speed of the compressor and reduces the processing content of the controller. By monitoring the temperature change of the water in the cold tank 10 in real time during the heat preservation process, and starting the compressor according to the relationship between the third detected water temperature and the fourth preset temperature, that is, the heat exchanger and the circulating water pump 20 are activated to make the refrigeration system again Entering the refrigeration process can effectively ensure that the water temperature in the cold tank 10 is sufficiently low, and improve the overall refrigeration effect of the refrigeration system.

In practical applications, as shown in FIG. 4, after the step S14, the control method of the water dispenser further includes:

S20: Obtain the fifth detected water temperature in the cold tank 10;

S22: Turn off the circulating water pump 20;

and / or,

S23: Obtain the sixth detected water temperature in the cold tank;

S25: Turn off the heat exchanger.

In combination with the above embodiment, after the compressor and the circulating water pump 20 are restarted, when the water temperature of the cold tank 10 reaches the second preset temperature, the circulating water pump 20 is turned off again; when the water temperature of the cold tank 10 reaches the third preset temperature, the compressor, That is, the heat exchanger is closed again; thus, the closed-loop control of the circulating water pump 20 and the heat exchanger can be realized in the switching between the refrigeration process and the heat preservation process, and the overall convenience and practicability of the refrigeration system control method can be improved.

The size of the fourth preset temperature is 5.5°C to 6.5°C, and 6°C is optional. If the fourth preset temperature is less than 5.5°C, the heat exchanger and circulating water pump 20 will be started prematurely, extending the heat exchanger and circulating water pump The operating time of 20 increases energy consumption, and the cooling effect is not obvious; if the fourth preset temperature is greater than 6.5°C, the heat exchanger and circulating water pump 20 will be started too late, causing the heat exchanger and circulating water pump 20 to run longer Time to make the water temperature reach the target temperature, extend the operating time of the heat exchanger and the circulating water pump 20, and increase energy consumption; therefore, setting the fourth preset temperature to 5.5°C to 6.5°C can effectively improve the cooling effect and reduce energy consumption .

Further, as shown in FIG. 4, after the step S14, the control method of the water dispenser further includes:

S17: Turn off the heat exchanger.

In this embodiment, after the heat exchanger runs again during the heat preservation process, if the water temperature in the cold tank 10 is less than or equal to the fifth preset temperature but still greater than the target temperature, and the operating time of the heat exchanger has exceeded the second preset temperature. If the time is set, the heat exchanger is forced to close to reduce the ineffective operation time of the heat exchanger and reduce energy consumption.

The size of the fifth preset temperature is 7.5°C to 8.5°C, and 8°C is optional; the size of the second running time is 35 minutes to 45 minutes, and 40 minutes is optional; if the fifth preset temperature is less than 7.5°C, the first Second, if the operating time is less than 35 minutes, the water temperature in the cold tank 10 may not be reduced to the target temperature in time, thereby reducing the cooling effect; if the fifth preset temperature is greater than 8.5°C and the second operating time is greater than 45 minutes, it will Lengthen the invalid running time of the heat exchanger, which will not only reduce the water temperature to the target temperature, but also increase energy consumption; therefore, set the fifth preset temperature to 7.5°C to 8.5°C, and set the second preset duration to 35 Minutes to 45 minutes can effectively improve the cooling effect and reduce energy consumption.

Further, as shown in FIG. 4, after the step S15, the control method of the water dispenser further includes:

S19: Turn off the heat exchanger.

In this embodiment, after the heat exchanger runs again during the heat preservation process, if the water temperature in the cold tank 10 is greater than the sixth preset temperature, and the operating time of the heat exchanger has exceeded the third preset time, the heat exchanger is forced to close Heater to reduce the ineffective operation time of the heat exchanger and reduce energy consumption.

The fifth preset temperature ranges from 9.5°C to 10.5°C, optionally 10°C; the third preset time period ranges from 115 minutes to 125 minutes, optionally 120 minutes; if the sixth preset temperature is less than 9.5°C, The third preset duration is less than 115 minutes, which may cause the water temperature in the cold tank 10 to fail to drop to the target temperature in time, thereby reducing the cooling effect; if the sixth preset temperature is greater than 10.5°C, the third preset duration is greater than 125 minutes , It will lengthen the invalid operation time of the heat exchanger, which will not only reduce the water temperature to the target temperature, but also increase the energy consumption; therefore, set the sixth preset temperature to 9.5°C to 10.5°C, and set the third preset duration Set it to 115 minutes to 125 minutes, which can effectively improve the cooling effect and reduce energy consumption.

This application also proposes a water dispenser, including a water dispenser refrigeration system, a memory, a processor, and a computer program stored on the memory and running on the processor. When the computer program is executed by the processor, The steps of implementing a control method of a drinking fountain; the specific structure of the cooling system of the drinking fountain and the control method of the drinking fountain refer to the above-mentioned embodiment. Since this drinking fountain adopts all the technical solutions of all the above-mentioned embodiments, it has at least the above-mentioned implementation All the technical effects brought by the technical solutions of the example will not be repeated here.

This application proposes a refrigeration device for a water dispenser.

In the embodiment of the present application, as shown in Figures 11 to 15, the refrigeration device of the water dispenser includes:

The cold tank 10 includes a tank body 13 and a top cover 14 covering the tank body 13, and the top cover 14 is provided with an exhaust hole 121;

The exhaust valve 200 is arranged in the exhaust hole 121;

The plugging float 30 is arranged in the cold tank 10, and the plugging float 30 can float to block the exhaust valve 200 with the water level in the cold tank 10.

In this embodiment, the top cover 14 is sealed and arranged on the top of the tank body 13, and the top cover 14 is provided with a water inlet for water from the water supply tank to enter the cold tank 10; the exhaust valve 200 is used to control the exhaust hole 121 On and off. If the amount of water in the cold tank 10 is small, that is, the water level is low, the plugging floating body 30 opens the exhaust valve 200 so that the gas in the tank body 13 is discharged with the increase of water volume, so that the tank body 13 can hold more water volume . When the water in the tank 13 is full, that is, when the water level rises to a certain level, the plugging floating body 30 floats with the water level under the action of buoyancy. When the water level rises to a preset height, the cold tank 10 stops water intake, that is, it stops exhausting. At this time, the plugging floating body 30 just blocks the exhaust valve 200 to prevent air circulation inside and outside the tank body 13 and prevent bacteria from growing in the tank body 13. The plugging floating body 30 may be connected to the tank body 13 or the exhaust valve 200, as long as it can float up with the water level and block the exhaust valve 200.

In the refrigeration device of the water dispenser of this application, an exhaust valve 200 is provided in the exhaust hole 121 of the cold tank 10, and a plugging float 30 that can block the exhaust valve 200 is installed in the cold tank 10, so that the cold tank 10 is filled with water At this time, the air in the tank 13 can be discharged from the vent 121 to avoid the influence of air pressure on the water storage capacity of the tank 13 and increase the water capacity of the cold tank 10; when the cold tank 10 is filled with water, the water level rises to When the height is sufficient, the plugging float 30 rises with the water level to the plugging exhaust valve 200, which prevents air flow between the tank 13 and the outside after being filled with water, thereby preventing the growth of bacteria and ensuring the safety of the user's water; Therefore, the water storage capacity of the cold tank 10 is increased, the safety of water is ensured, and the practicability of the refrigeration device of the water dispenser is effectively improved.

Further, as shown in FIGS. 12 to 15, the plugging floating body 30 includes a float 31 and a floating rod 32. One end of the floating rod 32 is movably connected to the exhaust valve 200, and the other end is connected to the float 31. Connected, the floating rod 32 can block the exhaust valve 200 along with the floating of the float 31. In this embodiment, the float 31 can be arranged in the form of a hollow sphere or cylinder, as long as it can float with the water level. The floating rod 32 has a connecting part connected to the exhaust valve 200 and a blocking part used to block the exhaust valve 200. The connecting part is articulated or connected with the exhaust valve 200 in an articulated or liftable manner. The float 32 can follow the float. It is sufficient to float 31. For example, the connecting part is hinged with the exhaust valve 200, so that the floating rod 32 can swing around the connecting part as the float 31 rises, and the blocking part approaches the exhaust valve 200 as the floating rod 32 swings upward. And block the exhaust valve 200 at the highest water level. By connecting the floating rod 32 to the exhaust valve 200, it can effectively ensure that the floating rod 32 can accurately block the exhaust valve 200 after it floats to the highest position, which improves the stability of the cooperation between the plugging floating body 30 and the exhaust valve 200.

Further, as shown in FIGS. 12-15, the exhaust valve 200 includes a housing 21 and a valve core 22. The housing 21 has an exhaust passage 211, and the bottom of the valve core 22 abuts against the float. The top of the rod 32 can block the exhaust passage 211 along with the floating of the floating rod 32. In this embodiment, the exhaust passage 211 penetrates the inner and outer sides of the top cover 14, the valve core 22 is used to block the part of the exhaust passage 211 inside the top cover 14, and the bottom end of the valve core 22 abuts against the floating rod 32 The plugging part allows the valve core 22 to rise with the upward swing of the floating rod 32. When the floating rod 32 swings up to the highest position, the valve core 22 rises to block the top of the exhaust channel 211. The movement of the floating rod 32 drives the valve core 22 to block the exhaust passage 211, which can make the fit between the floating rod 32 and the valve core 22 more stable, and the sealing performance of the valve core 22 to block the exhaust passage 211 is also It is stronger and improves the stability of the cooperation between the plugging floating body 30 and the exhaust valve 200.

Further, as shown in FIGS. 13 and 15, the inner wall of the exhaust passage 211 is protrudingly provided with a limiting boss 212 extending in the circumferential direction, and the limiting boss 212 is enclosed to form the exhaust passage 211 communicated through the air hole 213; the valve core 22 is located in the exhaust passage 211 and forms an exhaust gap 214 between the inner wall of the exhaust passage 211, and the valve core 22 is located on the limiting boss Below 212, the valve core 22 can rise to abut on the limiting boss 212 and block the air passage 213. In this embodiment, the valve core 22 is located at the lower end of the inside of the exhaust passage 211, and the bottom of the valve core 22 abuts against the floating rod 32, that is, the valve core 22 is located between the limiting boss 212 and the floating rod 32. When the air hole 213 is not blocked, air can flow from the tank 13 into the exhaust gap 214, then flow through the air hole 213, and finally flow out from the outer end of the exhaust channel 211. When the floating rod 32 swings up to the highest position with the water level, the valve core 22 also rises in the exhaust channel 211 to abut against the limiting boss 212 and block the air hole 213. By moving the valve core 22 in the exhaust passage 211, the valve core 22 can be effectively restricted in the lateral direction, preventing the valve core 22 from being misaligned with the air passage 213, and further improving the cooperation between the plugging float 30 and the exhaust valve 200 The stability.

Further, as shown in FIGS. 13 and 15, the lower end periphery of the air passage hole 213 protrudes from the lower end wall of the limiting boss 212. In this embodiment, the peripheral edge of the air passage hole 213 opposite to the valve core 22 protrudes from the lower end wall of the limiting boss 212, so that the valve core 22 can more fully abut the peripheral edge of the air passage hole 213, which improves the valve core 22. The airtightness of the air hole 213 is blocked. Specifically, the cross-sectional area of the air passage hole is smaller than the cross-sectional area of the valve core, so that the valve core can effectively seal and cover the air passage hole and improve the sealing performance.

Further, as shown in FIG. 5, the valve core 22 has a sealing position for blocking the air passage 213. In the sealing position, the lower end of the valve core 22 protrudes from the lower end of the exhaust passage 211 Exposure. In this embodiment, when the valve core 22 is in the sealing position, the top of the valve core 22 has abutted against the limiting boss 212 and blocked the air hole 213. At this time, the lower end of the valve core 22 still protrudes out of the exhaust passage 211 The lower end of the floating rod 32 is open, so that the floating rod 32 can be effectively supported on the lower end of the valve core 22 and under the action of buoyancy, the valve core 22 is tightly plugged into the air passage 213, which improves the air flow between the floating rod 32 and the exhaust valve 200. Tightness.

Further, as shown in FIGS. 12 and 14, the floating rod 32 is hinged to the housing 21, and the housing 21 is protruding with a limiting protrusion 215. When the blocking floating body 30 is not affected by buoyancy , The floating rod 32 abuts against the limiting protrusion 215. In this embodiment, the floating rod 32 has a limiting portion arranged to abut the limiting protrusion 215, the connecting portion of the floating rod 32 is located between the limiting portion and the blocking portion, and the limiting protrusion 215 is located in the limiting position. Above the upper part, when the plugging float 30 loses buoyancy, the position of the float 31 will drop, and the float 32 hinged to the housing 21 will swing down accordingly, and the plugging part located on the connecting part will drop to allow the valve core 22 to open the air hole 213 , And the limiting portion on the other side of the connecting portion rises and abuts against the limiting protrusion 215 to prevent the floating rod 32 from continuing to swing down to a vertical state, that is, the floating rod 32 that has lost its buoyancy can still remain inclined Therefore, when the plugging floating body 30 is subjected to buoyancy again, the floating rod 32 can effectively swing, which improves the working stability of the plugging floating body 30.

Further, as shown in FIGS. 13 and 15, the connection between the floating rod 32 and the housing 21 is located on the side of the valve core 22 away from the float 31. In this embodiment, the connecting part of the floating rod 32 is located on the side of the blocking part of the floating rod 32 away from the float 31, so that when the float 31 rises to drive the floating rod 32 upward, the blocking part can also swing upward accordingly. In addition, the upward swing amplitude of the plugging portion can satisfy the requirement that the valve core 22 is effectively raised to the sealed position, which further improves the stability of the plugging floating body 30.

Further, as shown in FIGS. 12 and 14, the floating rod 32 includes a first rod section 321 connected to the floating body and a second rod section 322 connected to the exhaust valve 200. The floating rod 32 There is a blocking position for blocking the exhaust valve 200. In the blocking position, the second rod section 322 is located above the first rod section 321. In this embodiment, the floating rod 32 further includes a bending section connecting the first rod section 321 and the second rod section 322. In the blocking position of the floating rod 32, the bending section is from the connecting end of the first rod section 321. Inclined and extended upward, so that when the float 31 drives the second rod section 322 to swing up, the center of the second rod section 322 and the float 31 can maintain a height difference, so that the volume of the float 31 can be increased to compensate for the height Poorly, the float 31 with increased volume can generate greater buoyancy, so that the float rod 32 connected to the float 31 can obtain greater support, so that the float rod 32 has a greater abutment force against the valve core 22, and further improves The air tightness of the valve core 22 to block the exhaust passage 211 is improved.

In practical applications, the tank body 13 is also provided with a flow damper. The flow damper includes a water receiving groove opposite to the water inlet. The side wall of the water receiving groove is provided with a water outlet, so that the level of the water tank can enter the cold tank slowly 10. Avoid excessive impact force of the inlet water from flowing directly to the water outlet at the bottom of the tank 13. The top cover 14 is also provided with a circulating water inlet. The circulating water inlet and the water outlet are connected through a circulating pipe. A circulating water pump is provided on the circulating pipe. The water at the bottom of the tank 13 is circulated to the tank 13 through the circulating water pump and the circulating pipe. At the top, the fluidity of the water in the cold tank 10 is enhanced, thereby improving the overall cooling efficiency of the water in the cold tank 10 and preventing the water near the heat exchanger from freezing.

In addition, a water level detection device can also be provided in the tank body 13, and the water inlet can be set at an inlet valve linked to the water level detection device. When the water level detection device detects that the water in the tank body 13 reaches a preset height, the inlet valve closes the inlet At this time, the exhaust valve 200 is also closed; when the water level detection device detects that the water level in the tank 13 is lowered, the water inlet valve opens the water inlet to maintain the water level at a preset height, so that the exhaust valve 200 can Keep the closed state to prevent gas flow inside and outside the tank 13.

This application also proposes a water dispenser, which includes a refrigeration device of the water dispenser. The specific structure of the refrigeration device of the water dispenser refers to the above-mentioned embodiment. Since the water dispenser adopts all the technical solutions of all the above-mentioned embodiments, at least All the technical effects brought about by the technical solutions of the above-mentioned embodiments will not be repeated here. Among them, the water dispenser also includes a hot tank and a vent pipe connected to the top of the hot tank. The other end of the vent pipe is connected to the top of the cold tank 10; because the water temperature in the cold tank 10 is low, water mist will be formed inside the top of the cold tank 10 Attached to the inner wall, and the vent pipe can guide the hot air in the hot tank to the top of the cold tank 10, so that the water mist on the top of the cold tank 10 heats up and turns into water droplets, which further improves the practicability of the water dispenser.

The foregoing descriptions are only optional embodiments of the application, and do not limit the scope of the patent for this application. Under the application concept of the application, the equivalent structure transformation made by using the content of the specification and drawings of the application, or direct/indirect Applications in other related technical fields are included in the scope of patent protection of this application.

Claims

A method for controlling a drinking fountain, wherein the cooling system of the drinking fountain includes:

Cold tank, with circulating water inlet and outlet;

A heat exchanger for heat exchange with the water in the cold tank;

A circulating water pump, the water inlet of the circulating water pump is connected with the water outlet, and the water outlet is connected with the circulating water inlet;

The control method of the drinking fountain includes:

S1: During the cooling process, obtain the first detected water temperature in the cold tank;

S2: Compare the first detected water temperature with a first preset temperature, and if the first detected water temperature is less than or equal to the first preset temperature, perform step S3;

S3: Start the circulating water pump.
The control method of the water dispenser according to claim 1, wherein:

After the step S1, the control method of the water dispenser further includes:

S4: Compare the first detected water temperature with a second preset temperature, and if the first detected water temperature is less than the second preset temperature, perform step S5; wherein, the second preset temperature is less than the first A preset temperature;

S5: Turn off the circulating water pump.
The control method of the drinking fountain according to claim 2, wherein the control method of the drinking fountain further comprises:

S6: During the refrigeration process, obtain the second detected water temperature in the cold tank;

S7: Compare the second detected water temperature with a third preset temperature, and if the second detected water temperature is less than or equal to the third preset temperature, perform step S8; the third preset temperature is less than the first 2. Preset temperature;

S8: Turn off the heat exchanger.
The method for controlling a drinking fountain according to claim 1, wherein the method for controlling the drinking fountain further comprises:

S9: During the refrigeration process, obtain the first operating time length of the heat exchanger;

S10: Compare the first running time with a first preset time, and if the first running time is greater than or equal to the first preset time, execute step S11;

S11: Turn off the heat exchanger.
The control method of the drinking fountain according to claim 3, wherein the control method of the drinking fountain further comprises:

S12: During the heat preservation process, obtain the third detected water temperature in the cold tank;

S13: Compare the third detected water temperature with a fourth preset temperature, and if the third detected water temperature is greater than or equal to the fourth preset temperature, perform step S14; the fourth preset temperature is greater than the first 2. Preset temperature;

S14: Start the heat exchanger and the circulating water pump.
The method for controlling a drinking fountain according to claim 5, wherein, after the step S14, the method for controlling the drinking fountain further comprises:

S15: Obtain the fourth detected water temperature in the cold tank and the second operating time of the heat exchanger;

S16: Compare the fourth detected water temperature with a fifth preset temperature, and compare the second running duration with a second preset duration, if the fourth detected water temperature is less than or equal to the fifth preset temperature, and If the second operating period is greater than or equal to the second preset period of time, step S17 is executed; the fifth preset temperature is greater than the third preset temperature;

S17: Turn off the heat exchanger.
8. The method for controlling a drinking fountain according to claim 6, wherein after the step S15, the method for controlling the drinking fountain further comprises:

S18: Compare the fourth detected water temperature with a sixth preset temperature, and compare the second operating duration with a third preset duration, if the fourth detected water temperature is less than or equal to the sixth preset temperature, and If the second operating time is greater than or equal to the third preset time, then step S19 is executed; wherein, the sixth preset temperature is greater than the fifth preset temperature, and the third preset time is greater than the second Preset duration

S19: Turn off the heat exchanger.
The method for controlling a drinking fountain according to claim 5, wherein, after the step S14, the method for controlling the drinking fountain further comprises:

S20: Obtain the fifth detected water temperature in the cold tank;

S21: Compare the fifth detected water temperature with the second preset temperature; if the fifth detected water temperature is less than or equal to the second preset temperature, perform step S22;

S22: Turn off the circulating water pump;

and / or,

S23: Obtain the sixth detected water temperature in the cold tank;

S24: Compare the sixth detected water temperature with the third preset temperature, and if the sixth detected water temperature is less than or equal to the third preset temperature, perform step S25;

S25: Turn off the heat exchanger.
The control method of a water dispenser according to claim 4 or 7, wherein:

The magnitude of the first preset temperature is 14.5°C to 15.5°C;

And/or, the magnitude of the second preset temperature is 3.5°C to 4.5°C;

And/or, the magnitude of the third preset temperature is 1.5°C to 2.5°C;

And/or, the magnitude of the fourth preset temperature is 5.5°C to 6.5°C;

Or, the size of the first preset duration is 115 minutes to 125 minutes;

And/or, the magnitude of the fifth preset temperature is 7.5°C to 8.5°C;

And/or, the magnitude of the sixth preset temperature is 9.5°C to 10.5°C;

And/or, the size of the second preset duration is 35 minutes to 45 minutes;

And/or, the size of the third preset duration is 115 minutes to 125 minutes.
A water dispenser, including: a water dispenser refrigeration system, and the water dispenser refrigeration system includes:

Cold tank, with circulating water inlet and outlet;

A heat exchanger for heat exchange with the water in the cold tank;

Circulating water pump, the water inlet of the circulating water pump is connected with the water outlet, and the water outlet is connected with the circulating water inlet.
The water dispenser according to claim 10, wherein the water dispenser further comprises a refrigeration device of the water dispenser, and the refrigeration device of the water dispenser comprises:

The cold tank includes a tank body and a top cover arranged on the tank body, and the top cover is provided with an exhaust hole;

The exhaust valve is arranged in the exhaust hole;

The plugging float is arranged in the cold tank, and the plugging float can float to block the exhaust valve with the water level in the cold tank.
The drinking fountain according to claim 11, wherein the plugging float includes a float and a float rod, one end of the float rod is movably connected to the exhaust valve, and the other end is connected to the float, the float rod The exhaust valve can be blocked with the floating of the float.
The water dispenser according to claim 12, wherein the exhaust valve includes a housing and a valve core, the housing has an exhaust passage, the bottom of the valve core abuts against the floating rod, and the top can follow The floating of the floating rod blocks the exhaust passage.
The water dispenser according to claim 13, wherein the inner wall of the exhaust passage is protrudingly provided with a limiting boss extending in the circumferential direction, and the limiting boss encloses and forms an overpass communicating with the exhaust passage The air hole; the valve core is located in the exhaust passage and forms an exhaust gap with the inner wall of the exhaust passage, the valve core is located below the limiting boss, and the valve core can rise To abut on the limiting boss and block the air passage.
The water dispenser according to claim 14, wherein the lower end peripheral edge of the air passage hole protrudes from the lower end wall of the limiting boss.
The water dispenser according to claim 14, wherein the valve core has a sealing position for blocking the air passage, and in the sealing position, the lower end of the valve core protrudes from the lower end of the exhaust passage. mouth.
The drinking water dispenser according to claim 13, wherein the floating rod is hinged to the housing, and the housing is protrudingly provided with a limiting protrusion, and when the blocking floating body is not affected by buoyancy, the floating rod Abut against the limiting protrusion.
The water dispenser according to claim 13, wherein the connection between the floating rod and the housing is located on the side of the valve core away from the float.
The drinking fountain according to claim 12, wherein the connection between the floating rod and the housing is located on the side of the valve core away from the float.