Cooling and heating all-in-one machine and water purification system

Abstract

The embodiment of the invention provides a cooling and heating all-in-one machine and a water purification system. The cooling and heating all-in-one machine comprises a purified water inlet and a water taking opening. The cold and hot all-in-one machine further comprises a cold water path, a normal-temperature water path, a flow-adjustable pumping device, a hot water path, a control device and a buffer device, wherein the cold water path is provided with a refrigerating device and is connected between the purified water inlet and the water intake; the normal-temperature water path is connected between the purified water inlet and the first water outlet; a water inlet of the flow-adjustable pumping device is connected to the purified water inlet, and the hot water path is connected between a water outlet of the flow-adjustable pumping device and the water intake; the control device is used for determining the output flow of the flow-adjustable pumping device and the heating power of the heating body according to the expected water taking temperature; the buffering device is connected to a water inlet of the flow-adjustable pumping device and used for storing or discharging purified water when the output flow is smaller than the preset input flow. The cold and hot all-in-one machine can be suitable for various water purifiers to output cold water, normal-temperature water and hot water.

Description

Technical Field

[0001] The present invention relates to the technical field of water purification, and in particular to a cold and hot integrated machine, which is particularly suitable for use with a large-flux water purifier, and also relates to a water purification system including the cold and hot integrated machine. Background Art

[0002] As living standards improve, people have higher and higher requirements for water quality. Water purifiers can process raw water such as tap water and well water to obtain high-quality purified water.

[0003] Existing water purifiers usually only have the function of outputting water at room temperature. Such water purifiers can be used in conjunction with a heating faucet to output hot water. By adjusting the heating power of the heating faucet, hot water of different temperatures can be output.

[0004] However, since the flow rate of purified water output by this type of water purifier is usually fixed, if you want to obtain hot water with a higher temperature, you can only increase the power of the heating faucet. However, the rated power of the heating faucet is usually fixed, so the temperature range of hot water output when the two are used together is relatively limited, and it cannot meet the user's demand for higher water temperature. It is also impossible to provide users with cold water with a temperature lower than normal temperature water. Summary of the invention

[0005] In order to at least partially solve the problems existing in the prior art, some embodiments of the present invention provide a hot and cold all-in-one machine, which includes a clean water inlet and a water intake for receiving clean water at a predetermined input flow rate, and also includes: a cold water circuit, a refrigeration device is arranged on the cold water circuit, the water inlet of the cold water circuit is connected to the clean water inlet, and the water outlet of the cold water circuit is connected to the water intake; a normal temperature water circuit, the water inlet of the normal temperature water circuit is connected to the clean water inlet, and the water outlet of the normal temperature water circuit is connected to the water intake; a flow-adjustable pumping device, the water inlet of the flow-adjustable pumping device is connected to the clean water inlet; a hot water circuit, the hot water circuit is connected between the water outlet and the water intake of the flow-adjustable pumping device, and a heating body for heating water in the hot water circuit is arranged on the hot water circuit; a control device, the control device is used to determine the output flow rate of the flow-adjustable pumping device and the heating power of the heating body according to the expected water intake temperature; and a buffer device, the buffer device is connected to the water inlet of the flow-adjustable pumping device, and the buffer device is used to store or discharge clean water when the output flow rate is less than the predetermined input flow rate.

[0006] This all-in-one hot and cold machine can be directly applied to the existing water purifiers on the market to deliver cold water, hot water and normal temperature water to users, thereby meeting their various needs.

[0007] Exemplarily, the buffer device includes a water storage device, the water inlet of the water storage device is connected to the clean water inlet, the water inlet of the cold water circuit is connected to the water outlet of the water storage device connected to the clean water inlet, and the water storage device is used to supply water to the cold water circuit. Supplying water to the cold water circuit through the water storage device can reduce the problem of complex control logic caused by the clean water inlet being connected to the water inlet of the water storage device and the water inlet of the ice tank at the same time. Moreover, when the output flow of the adjustable flow pumping device is less than the predetermined input flow, the water storage device will cache excess water, and supplying water to the cold water circuit through the water storage device can also consume this part of the excess water, which can not only save water, but also enable the hot and cold all-in-one machine to operate as an independent system for a long time.

[0008] Exemplarily, the water outlet of the water storage device is connected to the water inlet of the flow-adjustable pumping device and the water inlet of the cold water circuit, so that the water storage device is connected in series between the clean water inlet, the flow-adjustable pumping device and the cold water circuit. The water storage device is connected in series between the clean water inlet, the flow-adjustable pumping device and the cold water circuit. At this time, both the hot water circuit and the cold water circuit draw water from the water tank, but both have independent pumping devices, and can output hot water and cold water at the same time without interfering with each other.

[0009] Exemplarily, the water outlet of the water storage device is connected to the water inlet of the flow-adjustable pumping device, so that the water storage device and the flow-adjustable pumping device are connected in series between the clean water inlet and the cold water circuit and the hot water circuit. The water storage device and the flow-adjustable pumping device are connected in series between the clean water inlet and the cold water circuit and the hot water circuit, and the flow-adjustable pumping device can provide pressure for the hot water circuit and the cold water circuit at the same time. When outputting hot water, the flow-adjustable pumping device can also adjust the flow rate to adapt the heating power of the heating body. This reduces the number of pumping devices, saves costs, and reduces the volume of the hot and cold all-in-one machine.

[0010] For example, when the water storage device is connected in series between the clean water inlet and the flow-adjustable pumping device and the cold water circuit, a cold water pumping device is provided on the cold water circuit, and the refrigeration device is located below the water storage device. Gravity is directly used to make the water in the water storage device flow into the refrigeration device, and then the cold water is output through the cold water pumping device, so that the cold water can be output separately without interfering with the hot water output.

[0011] Exemplarily, when the water storage device and the flow-adjustable pumping device are connected in series between the clean water inlet and the cold water circuit and the hot water circuit, a cold water solenoid valve is provided on the cold water circuit, and a hot water solenoid valve is provided on the hot water circuit. The control device is also used to control the switch of the cold water solenoid valve and the hot water solenoid valve according to the desired water intake temperature. This can avoid the waste of cold water and energy when cold water or hot water is taken. It can also ensure that only the hot water circuit discharges water and the cold water circuit does not discharge water when hot water intake information is received. It can also ensure that only the cold water circuit discharges water and the hot water circuit does not discharge water when cold water intake information is received.

[0012] Exemplarily, the water storage device includes a water tank, and an automatic water replenishment component is provided at the water inlet of the water tank, and the automatic water replenishment component is used to close the water inlet of the water tank when the liquid level in the water tank reaches a preset upper limit of the liquid level. The automatic water replenishment component can automatically replenish the water in the water tank when the water amount in the water tank is insufficient, and can also timely cut off the water flow and stop replenishing water when the water tank is full.

[0013] Exemplarily, the automatic water replenishment component includes: a liquid level detector for detecting the liquid level information in the water tank; and a water replenishment solenoid valve, which is connected in series between the water purification inlet and the water inlet of the water tank, and the control device is also used to control the water replenishment solenoid valve to open when the liquid level in the water tank is lower than the preset lower limit according to the liquid level information, and control the water replenishment solenoid valve to close when the liquid level in the water tank reaches the preset upper limit according to the liquid level information. By setting the liquid level detector, the liquid level information in the water tank can be accurately obtained, so as to accurately judge when the water tank is short of water and when it is full of water, so that the integrated cold and hot machine can cooperate with the water purifier to work more accurately and efficiently, and avoid repeated start and stop of the water purifier.

[0014] For example, the refrigeration device is located below the water storage device. Water in the water storage device is directly flowed into the refrigeration device by gravity without the need for a pumping device, which not only saves costs, but also reduces the volume of the integrated cooling and heating machine and improves user experience.

[0015] Exemplarily, the water storage device includes a pressure barrel, and the water storage device also includes a first check valve, which is connected in series to the water inlet of the pressure barrel. When the first check valve is set, the pressure in the pressure barrel will not interfere with the water circuit pressure, thereby not causing fluctuations in the output water pressure and flow.

[0016] Exemplarily, the integrated cold and hot machine further includes a first zero-pressure valve, which is connected in series between the water outlet of the pressure barrel and the water inlet of the flow-adjustable pumping device. The first zero-pressure valve is arranged to cooperate with the pressure barrel to solve the problem of changes in the output pressure of the pressure barrel, thereby ensuring the flow accuracy of the flow-adjustable pumping device.

[0017] Exemplarily, the water inlet of the flow-adjustable pumping device is connected to the clean water inlet through the water inlet waterway, the buffer device includes a drainage waterway, the water inlet of the drainage waterway is connected to the water inlet waterway, and a pressure relief valve is provided on the drainage waterway. The pressure relief valve can ensure that the pressure at the clean water inlet is always lower than the pressure at which the water purifier stops making water, so that the water purifier can continuously and stably provide clean water, and can also avoid repeated start and stop of the water purifier, extend the service life of the water purifier, and at the same time ensure a stable and continuous supply of hot water and / or cold water, and improve user experience.

[0018] Exemplarily, the buffer device further includes a second zero-pressure valve, which is arranged on the water inlet waterway and downstream of the water inlet of the drainage waterway. The second zero-pressure valve is arranged upstream of the adjustable flow pumping device, and can make the water pressure upstream of the adjustable flow pumping device approach zero. This avoids the change of the water pressure of the buffer device from affecting the flow control of the adjustable flow pumping device.

[0019] Exemplarily, the hot and cold all-in-one machine also has a raw water inlet and a reflux outlet for connecting to the raw water inlet of the water purifier, the outlet of the drainage waterway is connected to the reflux outlet, and the hot and cold all-in-one machine also includes a pressure reducing valve, the water inlet of the pressure reducing valve is connected to the raw water inlet, and the water outlet of the pressure reducing valve is connected to the reflux outlet. By setting a pressure reducing valve, it is possible to avoid excessive water supply pressure, which causes the pressure relief valve to fail to open in time, causing the water purifier to start and stop repeatedly. Excess purified water re-enters the raw water inlet of the water purifier, which can reduce user operations (such as taking water and pouring water) and reduce the waste of purified water. Moreover, when the water purifier makes water, the raw water can be taken from the raw water inlet. In this way, the existing water purifier can be directly used in conjunction with the hot and cold all-in-one machine.

[0020] For example, a water inlet solenoid valve is also provided on the water inlet circuit, and the water inlet solenoid valve is located upstream of the water inlet of the drainage circuit. The water inlet solenoid valve can prevent the problem that after the user stops taking water, the water purifier continues to make water, causing the purified water to continuously flow back into the water inlet of the water purifier and repeatedly make water, shortening the life of the water purifier and wasting resources and energy.

[0021] Exemplarily, the integrated cold and hot machine further includes a cold water check valve, which is arranged on the cold water circuit and between the water outlets of the refrigeration device and the normal temperature water circuit. The cold water check valve can prevent normal temperature water from entering the refrigeration device, thereby ensuring the stability of the water temperature in the refrigeration device and reducing ineffective refrigeration, which can save energy and improve user experience.

[0022] Exemplarily, the water inlet of the cold water circuit is connected to the water outlet of the flow-adjustable pumping device to be connected to the clean water inlet. The water inlet of the cold water circuit is connected to the water outlet of the flow-adjustable pumping device, which reduces the number of pumping devices, saves costs, and reduces the volume of the cold and hot integrated machine.

[0023] Exemplarily, the cold water circuit is provided with a cold water pumping device. The cold water circuit is provided with a cold water pumping device, which can output hot water and cold water at the same time without interfering with each other.

[0024] For example, the hot and cold all-in-one machine also includes a heating faucet, and the heating body is arranged on the heating faucet. The heating faucet can output hot water immediately, and there is no need to release the cold water in the pipeline before getting hot water. And the heating faucet is easier to maintain and replace than the embodiment in which the heating body is placed in the machine body.

[0025] For example, the refrigeration device includes an ice bladder and a plurality of refrigeration components, and the plurality of refrigeration components are relatively arranged on both sides of the ice bladder along the front-to-back direction. In this way, the size of the refrigeration device along the left-right direction can be reduced while the heat dissipation effect remains unchanged, thereby reducing the thickness of the integrated cold and hot machine, and can better cooperate with the water purifier, reduce the occupied space, and improve the space utilization rate.

[0026] Exemplarily, a normal temperature water solenoid valve is also provided on the normal temperature water circuit, and the control device is further used to control the normal temperature water solenoid valve to open when taking normal temperature water, and control the normal temperature water solenoid valve to close when stopping taking normal temperature water. By providing the normal temperature water solenoid valve, not only can the output of normal temperature water be controlled, but also the cold water in the cold water circuit can be prevented from backflowing into the normal temperature water circuit.

[0027] Exemplarily, the water inlet includes a first water inlet and a second water inlet, the outlet of the cold water circuit and the outlet of the normal temperature water circuit are connected to the first water inlet, and the outlet of the hot water circuit is connected to the second water inlet. In this way, the cold water and hot water of the heating faucet do not interfere with each other, and hot water of the user's desired water temperature can be output. In this way, when the user has just finished taking hot water, if he wants to take normal temperature water next, the hot water remaining in the hot water pipe will not be provided to the user.

[0028] The present invention also provides a water purification system, including a water purifier and a cold and hot integrated machine, wherein the water purifier has a purified water outlet connected to a purified water inlet of the cold and hot integrated machine. The water purifier can provide purified water for the cold and hot integrated machine, and the purified water can be processed into cold water and hot water by the cold and hot integrated machine, while retaining the function of the original water purifier to purify water at normal temperature, thus enriching the user experience.

[0029] A series of simplified concepts are introduced in the summary of the invention, which will be further described in detail in the detailed description. The summary of the invention does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the scope of protection of the claimed technical solution.

[0030] The advantages and features of the present invention are described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The following drawings of the present application are hereby used as part of the present application for understanding the present application. The drawings show the implementation methods of the present application and their descriptions, and are used to explain the principles of the present application. In the drawings,

[0032] Figure 1 A water circuit diagram of a water purification system according to a first exemplary embodiment of the present invention;

[0033] Figure 2 A water circuit diagram of a water purification system according to a second exemplary embodiment of the present invention;

[0034] Figure 3 is a water circuit diagram of a water purification system according to a third exemplary embodiment of the present invention;

[0035] Figure 4 A water circuit diagram of a water purification system according to a fourth exemplary embodiment of the present invention;

[0036] Figure 5 is a water circuit diagram of a water purification system according to a fifth exemplary embodiment of the present invention;

[0037] Figure 6 A schematic diagram of a hot and cold integrated machine according to an exemplary embodiment of the present invention with the side housing removed; and

[0038] Figure 7 for Figure 6 The rear side diagram of the hot and cold all-in-one machine is shown.

[0039] The above drawings include the following reference numerals:

[0040] 10. Cold and hot integrated machine; 101. Main unit; 102. First water inlet; 103. Second water inlet; 11. Purified water inlet; 12. Water inlet; 12a. First water inlet; 12b. Second water inlet; 14. Raw water inlet; 15. Reflux outlet; 20. Water purifier; 30, 30', Heating faucet; 31. Heating element; 100. Cold water circuit; 110. Refrigeration device; 111. Ice tank; 112. Heat dissipation element; 112a. Heat sink; 112b. Fan; 113. Refrigeration element; 120. Cold water check valve; 130. Cold water pumping device; 140. Cold Water solenoid valve; 200, normal temperature water circuit; 210, normal temperature water solenoid valve; 300, flow adjustable pumping device; 310, first zero pressure valve; 400, hot water circuit; 430, hot water solenoid valve; 500, control device; 600, buffer device; 611, water tank; 612a, liquid level detector; 612b, water replenishment solenoid valve; 613, first check valve; 614, mechanical float switch; 615, pressure barrel; 620, drainage water circuit; 621, pressure relief valve; 630, second zero pressure valve; 640, water inlet circuit; 641, water inlet solenoid valve; 700, pressure reducing valve. DETAILED DESCRIPTION

[0041] In the following description, a large amount of details are provided so that the present invention can be thoroughly understood. However, it will be appreciated by those skilled in the art that the following description only exemplarily illustrates a preferred embodiment of the present invention, and the present invention can be implemented without one or more such details. In addition, in order to avoid confusion with the present invention, some technical features well known in the art are not described in detail.

[0042] In order to fully understand the embodiments of the present invention, detailed structures will be presented in the following description. Obviously, the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art. The preferred embodiments of the present invention are described in detail below, but in addition to these detailed descriptions, the present invention may also have other embodiments.

[0043] The present invention provides a cold and hot all-in-one machine 10, which can be used in conjunction with a water purifier, and is particularly suitable for use in conjunction with a large-flux water purifier. According to the water production capacity, a large-flux water purifier refers to a water purifier with a daily water production greater than or equal to 400 gallons. The water purifier 20 can serve as a water source for the cold and hot all-in-one machine 10 to provide purified water for the cold and hot all-in-one machine 10. The cold and hot all-in-one machine 10 can provide the purified water provided by the water purifier 20 to the user after cooling or heating, so that the user can access cold water or hot water. Moreover, the cold and hot all-in-one machine 10 can also directly provide normal temperature water to the user. This cold and hot all-in-one machine 10 can be directly applicable to the existing water purifiers on the market. Based on this, the present invention also provides a water purification system including a water purifier and the cold and hot all-in-one machine.

[0044] like Figure 1 As shown, the hot and cold all-in-one machine 10 may include a clean water inlet 11 and a water intake 12. The clean water inlet 11 can receive clean water at a predetermined input flow rate. Receiving clean water at a predetermined input flow rate means that clean water can be input into the clean water inlet 11 at a relatively stable flow value or flow range. Normally, the clean water inlet 11 can be connected to the clean water outlet of the water purifier 20, and the hot and cold all-in-one machine 10 can continuously obtain clean water from the water purifier 20 at a predetermined input flow rate. In the embodiment involved in the present invention, the predetermined input flow rate can be the output flow rate of the water purifier, and the output flow rate of the water purifier may change due to changes in the pressure in the water circuit and the use time of the filter element, but during one water extraction period of the user, the output flow rate is generally stable.

[0045] The integrated cold and hot machine 10 may further include a cold water circuit 100 , a normal temperature water circuit 200 , a flow-adjustable pumping device 300 , a hot water circuit 400 , a control device 500 and a buffer device 600 .

[0046] The water inlet of the cold water circuit 100 is connected to the clean water inlet 11, and the water outlet of the cold water circuit 100 is connected to the water intake 12. A refrigeration device 110 is provided on the cold water circuit 100. The refrigeration device 110 may include various refrigeration components that are currently available or may appear in the future and can reduce the water temperature in the cold water circuit 100. In the specific embodiment shown in the present application, the refrigeration component may include a refrigeration element 113 and a heat dissipation element 112, and by applying a voltage to the refrigeration element 113, the heat of the water in the cold water circuit 100 can be transferred to the heat dissipation element 112. In other specific embodiments not shown, the refrigeration device 110 may include a compressor and a heat dissipation element, and the refrigerant is phase-changed by the compressor to transfer the heat of the water in the cold water circuit 100 to the heat dissipation element. The cold water is cooled and output by the refrigeration device, and cold water with a temperature lower than that of normal water can be obtained, which is particularly suitable for making beverages such as ice drinks.

[0047] The normal temperature water channel 200 is separately provided, and is directly connected to the water inlet 12 from the water purification inlet 11 of the cold and hot integrated machine 10. If the user needs normal temperature water, the flow rate will not be reduced compared with the original direct use from the water outlet of the water purifier 20.

[0048] The water inlet of the hot water circuit 400 is connected to the water outlet of the flow-adjustable pumping device 300, and the water outlet of the hot water circuit 400 is connected to the water intake 12. A heating body 31 is provided on the hot water circuit 400. The control device 500 can determine the output flow rate of the flow-adjustable pumping device 300 and the heating power of the heating body 31 according to the user's expected water intake temperature, so that the output flow rate of the flow-adjustable pumping device 300 matches the heating power of the heating body 31. Generally, the heating power is generally proportional to the expected water intake temperature, while the output flow rate of the flow-adjustable pumping device 300 is generally inversely proportional to the expected water intake temperature. When the user's expected water intake temperature is not so high, it can be considered to only increase the heating power of the heating body 31 without reducing the output flow rate of the flow-adjustable pumping device 300, so that the user can quickly access the target amount of hot water. However, the heating power of the heating body 31 is limited. If the desired water intake temperature is higher and the heating power of the heating body 31 reaches the rated power, the heating body 31 can only heat the water to the desired water intake temperature by reducing the output flow of the adjustable flow pumping device 300. Of course, the purpose can also be achieved by simultaneously increasing the heating power of the heating body 31 and reducing the output flow of the adjustable flow pumping device 300.

[0049] As mentioned above, in order to cooperate with the water purifier 20, the clean water inlet 11 of the cold and hot integrated machine 10 usually receives clean water at a predetermined input flow rate, otherwise it will affect the normal use of the water purifier 20. For example, if the receiving flow rate of the clean water inlet 11 is less than the output flow rate of the water purifier 20, it will cause a higher pressure to be generated in the water purifier 20, resulting in frequent start and stop of the water purifier 20. Therefore, the present application provides a buffer device 600. The buffer device 600 is connected to the water inlet of the adjustable flow pumping device 300. When the output flow rate of the adjustable flow pumping device 300 is less than the predetermined input flow rate of the clean water inlet 11, the buffer device 600 can store or discharge clean water. Therefore, the use of this cold and hot integrated machine 10 can be directly applicable to the existing water purifiers on the market, delivering cold water, hot water and normal temperature water to users, thereby meeting the various needs of users.

[0050] Exemplarily, the hot and cold integrated machine 10 may include a heating faucet 30, such as Figure 1-2 As shown in FIG. 5 , in this case, the heating body 31 can be arranged on the heating faucet 30 to heat the water in the hot water circuit 400. Generally, the heating faucet 30 exists independently of other parts of the hot and cold all-in-one machine 10, and the other parts of the hot and cold all-in-one machine 10 can be referred to as the host 101, see Figure 6-7 As shown, the host 101 is usually set in a cabinet and enclosed in a relatively closed casing. Compared with the embodiment in which the heating body is placed in the host 101, setting the heating body 31 on the heating faucet 30 has the following advantages: it is closest to the water inlet 12, and the clean water can reach the user's water container immediately after being heated, and there will be no heat loss due to the long transmission process; the heating body 31 will hardly retain room temperature water, and the user will basically receive hot water; if the heating body 31 fails, it is easier to maintain and replace. Figure 1-2 In the embodiment shown in FIG. 5 , the heating faucet 30 is a two-inlet and two-outlet heating faucet, so it can be considered that the water inlet 12 of the hot and cold integrated machine 10 includes a first water inlet 12a and a second water inlet 12b, the outlet of the cold water circuit 100 and the outlet of the normal temperature water circuit 200 can be connected to the first water inlet 12a, and the outlet of the hot water circuit 400 can be connected to the second water inlet 12b. However, in other embodiments, such as Figure 3As shown in FIG. 4 , the heating faucet 30 ′ can be a two-inlet and one-outlet heating faucet. In this case, the heating faucet 30 ′ can include two water inlets and a water inlet 12, and cold water, normal temperature water and hot water all flow out from the water inlet 12. Whether it is a two-inlet and two-outlet heating faucet 30 or a two-inlet and one-outlet heating faucet 30 ′, it can include a cold water pipe and a hot water pipe, and the heating body 31 is arranged on the hot water pipe, which can be considered as a part of the hot water waterway. The host 101 of the hot and cold all-in-one machine 10 can be provided with a first water inlet 102 and a second water inlet 103. The outlet of the cold water circuit 100 and the outlet of the normal temperature water circuit 200 in the host 101 can be connected to the first water inlet 102, and the cold water pipe of the heating faucet can be connected to the first water inlet 102. The hot water circuit 400 in the host 101 can be connected to the second water inlet 103, and the cold water pipe of the heating faucet can be connected to the second water inlet 103.

[0051] In other embodiments not shown, the heating body may be arranged in the main unit 101 of the integrated cold and hot machine. Such an integrated cold and hot machine may have one water inlet or two water inlets. In the case of one water inlet, a common faucet with a single inlet and a single outlet is usually connected. In the case of two water inlets, a common faucet with two inlets and one outlet or a common faucet with two inlets and two outlets may be connected.

[0052] Regardless of whether the heating body is disposed on the heating faucet or in the main unit 101, when the water inlet includes a first water inlet (e.g., 12a) and a second water inlet (e.g., 12b), the water outlet of the cold water circuit 100 and the water outlet of the normal temperature water circuit 200 can be connected to the first water inlet, and the water outlet of the hot water circuit 400 can be connected to the second water inlet. In this way, the cold water and the hot water of the heating faucet do not interfere with each other, and hot water of the water intake temperature desired by the user can be output. In this way, when the user has just finished taking hot water, if he wants to take normal temperature water next, the hot water remaining in the hot water pipe will not be provided to the user.

[0053] Most water purifiers use a high-pressure switch to detect the user's water-drawing action. When the user stops drawing water, pressure will accumulate at the water outlet of the water purifier 20 until the pressure is greater than the action threshold of the high-pressure switch, and the water purifier 20 stops making water. The water purification inlet 11 is connected to the water outlet of the water purifier 20. Since the user is limited by the heating power of the heating body 31 when taking hot water, the hot water output flow of the cold and hot integrated machine 10 may be less than the water production flow of the water purifier 20, resulting in pressure accumulation in the water path of the water purifier 20 until the pressure switch of the water purifier 20 is activated and the supply of purified water is stopped. This will cause the water purifier 20 to start and stop repeatedly, which may not only damage the water purifier 20, but also seriously affect the user's water-drawing experience and generate a lot of noise. This situation is especially for large-flux water purifiers with a daily water output greater than or equal to 400 gallons, because small-flux water purifiers are usually equipped with a water storage device, and excess water can be stored in the water storage device in the water purifier. For a large-flux water purifier, the present invention can ensure the normal use of the water purifier by setting a buffer device 600 to store or discharge excess water. Of course, the present invention does not exclude the use of the integrated cold and hot machine 10 with a small-flux water purifier. The buffer device 600 can be a water tank 611 (see Figure 1-2 The embodiments shown respectively), the pressure tank 615 (see Figure 3-4 The embodiments shown respectively) and other water storage devices; see Figure 5 The embodiment shown may also be a drainage device composed of one or more of a pressure relief valve 621 and a drainage waterway 620. In this way, the number of starts and stops of the water purifier 20 can be reduced, the service life of the water purifier 20 can be extended, and the fluctuation of the output hot water, cold water and normal temperature water flow can be reduced, thereby improving the user experience.

[0054] Exemplarily, as described above, the buffer device 600 may include a water storage device. The water inlet of the water storage device is connected to the clean water inlet 11, and the water inlet of the cold water circuit 100 is connected to the water outlet of the water storage device. In other words, the clean water of the clean water inlet 11 may first enter the water storage device in the buffer device 600, and then the water storage device supplies water to the cold water circuit 100. The water storage device may include a pressure barrel 615, such as Figure 3 As shown, the water outputted by the pressure barrel 615 has a certain pressure, which can directly serve as the pressure source of the cold water circuit 100. It can be understood that the normal temperature water in the pressure barrel 615 can squeeze the cold water in the cold water circuit 100, pushing the cold water to be output to the user. Exemplarily, the water storage device may include a water tank 611, such as Figure 1-2As shown. Exemplarily, the hot and cold all-in-one machine 10 can be set at a high place, and the water in the water tank 611 enters the cold water circuit 100 by gravity, and then continues to be transported to the water intake 12 under the action of gravity, and then delivered to the user. The refrigeration device 110 on the cold water circuit 100 may include an ice tank 111. The ice tank 111 may have a water storage function. The various refrigeration components mentioned above can be used to cool the water in the ice tank 111 so that a sufficient amount of cold water can be stored in the ice tank 111, which can be transported to the water intake 12 when the user takes it. Supplying water to the cold water circuit 100 through a water storage device can reduce the problem of complex control logic caused by the water inlet 11 being connected to the water inlet of the water storage device and the water inlet of the ice tank 111 at the same time. Moreover, as mentioned above, when the output flow of the adjustable flow pumping device 300 is less than the predetermined input flow, the water storage device will buffer excess water, and the excess water can be consumed by supplying water to the cold water circuit 100 through the water storage device, which not only saves water, but also allows the cold and hot integrated machine 10 to operate as an independent system for a long time. In other specific embodiments, the cold water circuit 100 can be connected to the clean water inlet 11 without passing through the buffer device 600. At this time, the cold water circuit 100 provides cold water to the user through the pressure provided at the clean water inlet 11, or an additional pumping device is provided.

[0055] The buffer device 600 may include a water storage device, such as Figure 1-2 The water tank 611 and Figure 3-4 The pressure barrel 615 shown. Exemplarily, the water outlet of the water storage device is connected to both the water inlet of the adjustable flow pumping device 300 and the water inlet of the cold water circuit 100. At this time, the water storage device is equivalent to being connected in series between the clean water inlet 11, the adjustable flow pumping device 300 and the cold water circuit 100. In other words, the clean water inlet 11 first replenishes water into the water storage device, and the water storage device then supplies water to the hot water circuit 400 or directly to the cold water circuit 100 via the adjustable flow pumping device 300. Exemplarily, the water outlet of the water storage device is connected to the water inlet of the adjustable flow pumping device 300. At this time, the water storage device and the adjustable flow pumping device 300 are connected in series, the clean water inlet 11 first replenishes water into the water storage device, and the water storage device then supplies water to the parallel cold water circuit 100 and the hot water circuit 400 through the adjustable flow pumping device 300.

[0056] In one embodiment, Figure 1 As shown, the water storage device may include a water tank 611. The water tank 611 is connected in series between the clean water inlet 11 and the flow-adjustable pumping device 300 and the cold water circuit 100. The flow-adjustable pumping device 300 may be arranged on the hot water circuit 400. A cold water pumping device 130 may be additionally arranged on the cold water circuit 100. At this time, both the hot water circuit 400 and the cold water circuit 100 take water from the water tank 611, but both have independent pumping devices.

[0057] Figure 2 The embodiment of the invention shows that the water storage device includes a water tank 611, and the water tank 611 and the flow-adjustable pumping device 300 are connected in series between the clean water inlet 11 and the cold water circuit 100 and the hot water circuit 400. Figure 2 As shown, the flow-adjustable pumping device 300 draws water from the water outlet of the water tank 611, and then the flow-adjustable pumping device 300 provides pressure for the hot water circuit 400 and the cold water circuit 100. When outputting hot water, the flow-adjustable pumping device 300 is also used to adjust the flow. In other words, at this time, in this embodiment, the hot water circuit 400 and the cold water circuit 100 both share the flow-adjustable pumping device 300.

[0058] In such Figure 3 In the illustrated embodiment, the water storage device may include a pressure barrel 615. The pressure barrel 615 may be connected in series between the clean water inlet 11 and the flow-adjustable pumping device 300 and the cold water circuit 100. The water output by the pressure barrel 615 has a certain pressure and can be directly used as a pressure source for the cold water circuit 100. The hot and cold all-in-one machine 10 may also include a first zero-pressure valve 310. The first zero-pressure valve 310 is connected in series between the water outlet of the pressure barrel 615 and the water inlet of the flow-adjustable pumping device 300. By providing the first zero-pressure valve 310, it is possible to prevent the water pressure change in the pressure barrel 615 from affecting the flow of the flow-adjustable pumping device 300.

[0059] Figure 4 The embodiment of the invention shows that the water storage device includes a pressure tank 615, and the pressure tank 615 and the flow-adjustable pumping device 300 are connected in series between the clean water inlet 11 and the cold water circuit 100 and the hot water circuit 400. Figure 4 As shown, in order to prevent the water pressure change in the pressure barrel 615 from affecting the flow of the adjustable flow pumping device 300, a first zero pressure valve 310 is connected in series between the adjustable flow pumping device 300 and the pressure barrel 615. In this embodiment, the adjustable flow pumping device 300 can provide pressure for the hot water circuit 400 and the cold water circuit 100. When outputting hot water, the adjustable flow pumping device 300 is also used to adjust the flow to adapt the heating power of the heating body 31.

[0060] Of course, in other embodiments not shown, the hot water circuit 400 and the cold water circuit 100 may not share the flow-adjustable pumping device 300. The flow-adjustable pumping device 300 is arranged on the hot water circuit 400, and the cold water circuit 100 draws water from the first zero-pressure valve 310 downstream of the pressure barrel 615, but the cold water circuit 100 has an independent cold water pumping device 130.

[0061] For example, return to Figure 1, the water storage device is connected in series between the clean water inlet 11 and the flow-adjustable pumping device 300 and the cold water circuit 100, that is, the water storage device supplies water to the hot water circuit 400 or directly to the cold water circuit 100 via the flow-adjustable pumping device 300. Since the water tank 611 can be connected to the atmosphere, it cannot provide sufficient pressure for the water therein. At the same time, the flow-adjustable pumping device 300 and the cold water circuit 100 are independent of each other and do not provide pressure for the cold water circuit 100. In some specific embodiments, a cold water pumping device 130 can be provided to pump water into the refrigeration device. In other embodiments, the refrigeration device 110 can also be disposed below the water tank 611, such as Figure 1 As shown, gravity is directly used to make the water in the water tank 611 flow into the refrigeration device 110, without the need for a pumping device, which not only saves costs, but also reduces the volume of the integrated cooling and heating machine 10 and improves user experience. Figure 5 As shown, the water storage device may include a pressure barrel 615 or other devices, and the water is pressed into the refrigeration device 110 by its own pressure. Similarly, there is no need to set up a pumping device, which saves costs.

[0062] For example, Figure 2 As shown, the water storage device 600 may include a water tank 611, or Figure 4 As shown, the water storage device 600 may also include a pressure tank 615. Figure 2 and Figure 4 , when the water storage device 600 and the flow-adjustable pumping device 300 are connected in series between the clean water inlet 11 and the cold water circuit 100 and the hot water circuit 400, a cold water solenoid valve 140 may be provided on the cold water circuit 100. A hot water solenoid valve 430 may be provided on the hot water circuit 400. The control device 500 may also be used to control the corresponding solenoid valves in the cold water solenoid valve 140 and the hot water solenoid valve 430 to open and the other solenoid valve to close according to the desired water intake temperature. Specifically, for example, when cold water is taken, the cold water solenoid valve 140 is opened and the hot water solenoid valve 430 is closed at the same time. In this way, when cold water or hot water is taken, cold water is prevented from being heated by being connected to the hot water circuit 400, resulting in waste of cold water and energy. It is also possible to ensure that only the hot water circuit 400 discharges water and the cold water circuit 100 does not discharge water when receiving hot water intake information. It is also possible to ensure that only the cold water circuit 100 discharges water and the hot water circuit 400 does not discharge water when receiving cold water intake information.

[0063] Exemplarily, in an embodiment where the water storage device includes a water tank 611, an automatic water replenishing component is provided at the water inlet of the water tank 611, and the automatic water replenishing component is used to close the water inlet of the water tank 611 when the liquid level in the water tank 611 reaches a preset liquid level upper limit.

[0064] It is understandable that, since the volume of the integrated cold and hot machine 10 is limited, the volume of the water tank 611 is usually not too large. In order to avoid the water tank 611 overflowing due to excessive water injection, an automatic water replenishment component is provided on the water tank 611. The automatic water replenishment component can automatically replenish the water in the water tank 611 when the water is insufficient, and can also cut off the water flow in time to stop replenishing the water when the water tank 611 is full. In a specific embodiment, the automatic water replenishment component may include a mechanical float switch 614, such as Figure 1-2 When the water level in the water tank 611 is lower than the set water level, the float of the mechanical float switch 614 drops, the water circuit switch opens, and water is stored in the water tank 611. When the water level reaches the set water level, the float of the mechanical float switch 614 rises, the water circuit switch closes, and water is stopped from being stored in the water tank 611. At this time, high pressure is accumulated at the water outlet of the water purifier 20, causing the high pressure switch of the water purifier 20 to be disconnected, thereby stopping the water purifier 20 from making water.

[0065] Exemplarily, the automatic water replenishment component may include a liquid level detector 612a and a water replenishment solenoid valve 612b. The liquid level detector 612a may detect the liquid level information in the water tank 611. The water replenishment solenoid valve 612b is connected in series between the clean water inlet 11 and the water inlet of the water tank 611, and may replenish water to the water tank 611 when opened, and stop replenishing water to the water tank 611 when closed. The control device 500 is also used to control the water replenishment solenoid valve 612b to open when the liquid level in the water tank 611 is determined to be lower than the preset liquid level lower limit according to the liquid level information, and control the water replenishment solenoid valve 612b to close when the liquid level in the water tank 611 reaches the preset liquid level upper limit according to the liquid level information.

[0066] In another specific embodiment, a liquid level detector 612a may also be provided on the water tank 611. The control device 500 may be further used to, upon receiving water intake information input by the user, measure the water level in the water tank 611 through the liquid level detector 612a, determine the trend of the water level change and then determine when to start water replenishment. This can minimize the number of water replenishment times, thereby reducing the start and stop frequency of the water purifier 20 and avoiding shortening the life of the water purifier 20. Optionally, the control device 500 may also control the water replenishment solenoid valve 612b to close when the user takes normal temperature water, so as to avoid affecting the normal temperature water flow and causing a poor user experience. Optionally, in Figure 1 and Figure 2 In the specific embodiment shown, a liquid level detector 612a, a water replenishment solenoid valve 612b and a mechanical float switch 614 can be provided simultaneously. The mechanical float switch 614 serves as a safeguard against overflow of the water tank 611. When the control module is abnormal, such as when the program is stuck, it can avoid the situation where the water tank 611 overflows due to failure to close the water replenishment solenoid valve 612b in time.

[0067] Exemplarily, in an embodiment where the water storage device includes a pressure barrel 615, Figure 3-4As shown, the water storage device may further include a first check valve 613. The first check valve 613 is connected in series to the water inlet of the pressure barrel 615, and the water flow of the clean water inlet 11 enters the pressure barrel 615 after passing through the first check valve 613. The first zero-pressure valve 310 may be connected to the water outlet of the pressure barrel 615. In an optional embodiment, the pressure barrel 615 may have a water inlet and outlet for water inlet and outlet. In this case, the first zero-pressure valve 310 and the first check valve 613 may be connected in series to the water inlet and outlet.

[0068] The pressure barrel 615 is a water storage device with a variable volume, which can store water until its internal pressure is less than the input pressure. When water needs to be output, the pressure barrel 615 can provide pressure for the water therein so that the water therein can be output without a pumping device. The water pressure output by the pressure barrel 615 will change due to the change of its internal pressure. In other words, the output pressure of the pressure barrel 615 is not stable. A first check valve 613 is provided at its front section, and the first check valve 613 can ensure that water is replenished when the water pressure at the clean water inlet 11 is greater than the pressure in the pressure barrel 615. When the water pressure at the clean water inlet 11 drops due to the use of normal temperature water, the water in the pressure barrel 615 will not flow into the normal temperature water circuit 200. The pressure in the pressure barrel 615 will not interfere with the water circuit pressure, will not cause fluctuations in the output water pressure and flow, and improve the user experience.

[0069] In some specific embodiments, the flow rate of the flow-adjustable pumping device 300 may result in inaccurate output flow rate due to changes in the water pressure of the front water circuit. The flow-adjustable pumping device 300 may be a diaphragm pump, which is a positive displacement pump that generates negative pressure by moving the diaphragm to one side to suck in liquid, and then discharges the liquid by moving the diaphragm to the other side. It can be understood that when the pressure of the front water circuit increases, the diaphragm pump will suck in more liquid, and when the pressure of the front water circuit decreases, the diaphragm pump will suck in less liquid. Only when the pressure of the front water circuit is constant can the diaphragm pump accurately control its pumping flow rate.

[0070] The first zero-pressure valve 310 is provided in cooperation with the pressure barrel 615 to solve the problem of changes in the output pressure of the pressure barrel 615, thereby ensuring the flow accuracy of the adjustable flow pumping device 300.

[0071] In another set of embodiments, Figure 5As shown, the water inlet of the flow-adjustable pumping device 300 can be connected to the clean water inlet 11 through the water inlet waterway 640. The buffer device 600 may include a drainage waterway 620, the water inlet of the drainage waterway 620 is connected to the water inlet waterway 640, and a pressure relief valve 621 is provided on the drainage waterway 620. When the pressure at the clean water inlet 11 rises to reach the opening threshold of the pressure relief valve 621, the pressure relief valve 621 automatically opens to discharge the excess water through the drainage waterway 620. In a specific embodiment, the excess water will be discharged into a bucket and can be discarded or reused. Through the pressure relief valve 621 and the drainage waterway 620, the water pressure in the waterway can be maintained at no higher than the above threshold. The opening pressure of the pressure relief valve 621 must be lower than the operating pressure of the high-pressure switch of the water purifier 20, thereby ensuring that the pressure at the purified water inlet 11 is always lower than the pressure at which the water purifier 20 stops making water, so that the water purifier 20 can continuously and stably provide purified water. It can also avoid repeated starting and stopping of the water purifier 20, extend the service life of the water purifier 20, and at the same time ensure a stable and continuous supply of hot water and / or cold water, thereby improving the user experience.

[0072] Exemplarily, the buffer device 600 may also include a second zero-pressure valve 630, which may be disposed on the water inlet waterway 640 and downstream of the water inlet of the drainage waterway 620. As described above, due to the presence of the pressure relief valve 621, the water pressure at the clean water inlet 11 will gradually increase, and after reaching the opening pressure threshold of the pressure relief valve 621, the pressure will be maintained at the opening pressure threshold. Pressure fluctuations may affect the flow rate of the adjustable flow pumping device 300. The second zero-pressure valve 630 is disposed upstream of the adjustable flow pumping device 300, which can allow the water pressure upstream of the adjustable flow pumping device 300 to approach zero. This avoids changes in the water pressure of the buffer device 600 and affects the flow control of the adjustable flow pumping device 300.

[0073] Exemplarily, the integrated cold and hot machine 10 also has a raw water inlet 14 and a reflux outlet 15 for connecting to the water inlet of the water purifier 20. The water outlet of the drainage waterway 620 can be connected to the reflux outlet 15. The integrated cold and hot machine 10 can also include a pressure reducing valve 700. The water inlet of the pressure reducing valve 700 can be connected to the raw water inlet 14, and the water outlet of the pressure reducing valve 700 can be connected to the reflux outlet 15.

[0074] exist Figure 5In the specific embodiment shown, the raw water outlet of the drainage waterway 620 is connected to the reflux outlet 15, and a pressure reducing valve 700 is provided on the waterway from the raw water inlet 14 to the reflux outlet 15 to reduce the raw water pressure. When the water pressure is greater than the threshold of the pressure relief valve 621, the excess clean water will enter the reflux outlet 15 through the pressure relief valve 621, mix with the raw water with lower pressure that has been decompressed by the pressure reducing valve 700, and enter the water inlet of the water purifier 20 together. The pressure reducing valve 700 is provided to avoid excessive water supply pressure, resulting in the pressure relief valve 621 being unable to open in time, causing the water purifier 20 to still start and stop repeatedly. The excess clean water re-enters the raw water inlet of the water purifier 20, which can reduce user operations (such as taking water and pouring water) and reduce the waste of clean water. Moreover, when the water purifier 20 makes water, the raw water can be received by the raw water inlet 14. In this way, the existing water purifier 20 can be directly used in conjunction with the cold and hot all-in-one machine 10.

[0075] Exemplarily, a water inlet solenoid valve 641 is also provided on the water inlet waterway 640, and the water inlet solenoid valve 641 is located upstream of the water inlet of the drainage waterway 620. The water inlet solenoid valve 641 can be closed when the user stops taking water, so that the waterway between the purified water inlet 11 and the pressure relief valve 621 is cut off, and the purified water is no longer discharged through the pressure relief valve 621. The pressure of this section of the waterway gradually increases to the action threshold of the high-pressure switch. The water purifier 20 is shut down. In this way, the problem that after the user stops taking water, the water purifier 20 continues to make water, causing the purified water to continuously flow back into the water inlet of the water purifier 20 to re-make water, shortening the life of the water purifier 20, and wasting resources and energy can be avoided.

[0076] Exemplarily, a normal temperature water solenoid valve 210 may be further provided on the normal temperature water circuit 200, and the control device 500 is further used to control the normal temperature water solenoid valve 210 to open when receiving normal temperature water intake information, and control the normal temperature water solenoid valve 210 to close when receiving normal temperature water intake stop information. By providing the normal temperature water solenoid valve 210, not only can the output of normal temperature water be controlled, but also the cold water in the cold water circuit 100 can be prevented from backflowing into the normal temperature water circuit 200.

[0077] Exemplarily, the integrated cold and hot machine 10 may further include a cold water check valve 120, which is disposed on the cold water circuit 100 and between the outlets of the refrigeration device 110 and the normal temperature water circuit 200. Figure 1In the specific embodiment shown, the normal temperature water circuit 200 and the cold water circuit 100 have the same water outlet, which is the first water intake 12a. A normal temperature water solenoid valve 210 may be provided on the normal temperature water circuit 200, but there is no solenoid valve on the downstream of the cold water circuit 100, that is, on the water circuit downstream of the refrigeration device 110. When normal temperature water is taken, normal temperature water may flow into the refrigeration device 110, causing the water temperature in the refrigeration device 110 to rise. The cold water check valve 120 is provided on the cold water circuit 100 to prevent normal temperature water from entering the refrigeration device 110, thereby ensuring the stability of the water temperature in the refrigeration device 110 and reducing ineffective refrigeration, which not only saves energy but also improves the user experience.

[0078] like Figure 6 As shown, illustratively, the refrigeration device 110 may include an ice container 111 and a plurality of heat dissipation elements 112. Exemplarily and non-limitingly, the refrigeration device 110 may include a refrigeration element 113. The ice container 111 may store a portion of water, and the water temperature may be kept stable to a certain extent when the ice water is taken. The refrigeration element 113 may adopt a semiconductor refrigerator, which transfers heat from its cold surface to the hot surface through the Peltier effect. During the refrigeration process, the heat generated by the refrigeration element 113 and the transferred heat may be dissipated through the heat dissipation element 112. The existing heat dissipation element 112 may include a heat sink 112a and a fan 112b, and the volume of such a heat dissipation element 112 is positively correlated with the heat dissipation effect. By splitting a single heat dissipation element into a plurality of relatively small heat dissipation elements, the plurality of heat dissipation elements may be arranged relatively on both sides of the ice container 111 along the front-to-back direction through a reasonable layout. In this way, the refrigeration device 110 may be arranged along the left-right direction (such as Figure 7 The size of the horizontal direction in the figure is reduced, thereby reducing the thickness of the hot and cold all-in-one machine 10, which can better cooperate with the water purifier 20, reduce the occupied space, and improve space utilization.

[0079] According to another aspect of the present invention, a water purification system is also provided. The water purification system may include a water purifier 20 and any one of the hot and cold integrated machines 10 described above. The water purifier 20 has a purified water outlet, which is connected to the purified water inlet 11 of the hot and cold integrated machine 10. The hot and cold integrated machine 10 can be matched with the water purifier 20 to form a water purification system. The water purifier 20 can provide purified water for the hot and cold integrated machine 10, and the purified water can be processed into cold water and hot water by the hot and cold integrated machine 10, and the function of the original water purifier 20 to purify water at normal temperature is retained to enrich the user experience.

[0080] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by directional words such as "front", "back", "up", "down", "left", "right", "lateral", "vertical", "vertical", "horizontal", "top", "bottom", etc. is usually based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention; the directional words "inside" and "outside" refer to the inside and outside relative to the contour of each component itself.

[0081] For ease of description, regional relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the regional positional relationship between one or more components or features shown in the figure and other components or features. It should be understood that regional relative terms include not only the orientation of the components as described in the figure, but also different orientations in use or operation. For example, if the components in the accompanying drawings are inverted as a whole, the components "above other components or features" or "above other components or features" will include the situation where the components are "below other components or structures" or "below other components or structures". Therefore, the exemplary term "above" may include both "above" and "below". In addition, these components or features may also be positioned at other different angles (e.g., rotated 90 degrees or other angles), and this article is intended to include all of these situations.

[0082] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, parts, components and / or combinations thereof.

[0083] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0084] The present invention has been described by the above embodiments, but it should be understood that the above embodiments are only for the purpose of example and description, and are not intended to limit the present invention to the described embodiments. In addition, it can be understood by those skilled in the art that the present invention is not limited to the above embodiments, and more variations and modifications can be made according to the teachings of the present invention, and these variations and modifications all fall within the scope of the protection claimed by the present invention. The protection scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A hot and cold integrated machine, characterized in that: The heat and cold machine comprises a clean water inlet and a water intake for receiving clean water at a predetermined input flow rate, and the cold and hot machine also comprises: A cold water circuit, wherein a refrigeration device is arranged on the cold water circuit, a water inlet of the cold water circuit is connected to the purified water inlet, and a water outlet of the cold water circuit is connected to a water intake; A normal temperature water circuit, wherein the water inlet of the normal temperature water circuit is connected to the purified water inlet, and the water outlet of the normal temperature water circuit is connected to the water intake; A flow-adjustable pumping device, wherein the water inlet of the flow-adjustable pumping device is connected to the clean water inlet; A hot water waterway, the hot water waterway is connected between the water outlet and the water inlet of the flow-adjustable pumping device, and a heating body for heating the water in the hot water waterway is provided on the hot water waterway: A control device, the control device is used to determine the output flow rate of the adjustable flow pumping device and the heating power of the heating body according to the expected water intake temperature; and A buffer device is connected to the water inlet of the flow-adjustable pumping device, and is used to store or discharge clean water when the output flow is less than the predetermined input flow.

2. The hot and cold integrated machine according to claim 1, characterized in that: The buffer device includes a water storage device, the water inlet of the water storage device is connected to the clean water inlet, the water inlet of the cold water circuit is connected to the water outlet of the water storage device to be connected to the clean water inlet, and the water storage device is used to supply water to the cold water circuit.

3. The hot and cold integrated machine according to claim 2, characterized in that: The water outlet of the water storage device is connected to the water inlet of the flow-adjustable pumping device and the water inlet of the cold water circuit, so that the water storage device is connected in series between the clean water inlet and the flow-adjustable pumping device and the cold water circuit; or The water outlet of the water storage device is connected to the water inlet of the flow-adjustable pumping device, so that the water storage device and the flow-adjustable pumping device are connected in series between the clean water inlet and the cold water circuit and the hot water circuit.

4. The integrated cold and hot machine according to claim 3, characterized in that: When the water storage device is connected in series between the clean water inlet, the flow-adjustable pumping device and the cold water circuit, a cold water pumping device is provided on the cold water circuit, and the refrigeration device is located below the water storage device.

5. The integrated cold and hot machine according to claim 3, characterized in that: When the water storage device and the flow-adjustable pumping device are connected in series between the clean water inlet and the cold water circuit and the hot water circuit, a cold water solenoid valve is provided on the cold water circuit, and a hot water solenoid valve is provided on the hot water circuit. The control device is also used to control the switching of the cold water solenoid valve and the hot water solenoid valve according to the desired water intake temperature.

6. The integrated cold and hot machine according to claim 2, characterized in that: The water storage device comprises a water tank, and an automatic water replenishing component is arranged at the water inlet of the water tank. The automatic water replenishing component is used to close the water inlet of the water tank when the liquid level in the water tank reaches a preset upper limit of the liquid level.

7. The integrated cold and hot machine according to claim 6, characterized in that: The automatic water replenishment component comprises: A liquid level detector, used to detect liquid level information in the water tank; and A water replenishment solenoid valve is connected in series between the clean water inlet and the water inlet of the water tank. The control device is also used to control the water replenishment solenoid valve to open when it is determined according to the liquid level information that the liquid level in the water tank is lower than a preset liquid level lower limit, and to control the water replenishment solenoid valve to close when it is determined according to the liquid level information that the liquid level in the water tank reaches the preset liquid level upper limit.

8. The integrated cold and hot machine according to claim 2, characterized in that: The refrigeration device is located below the water storage device.

9. The integrated cold and hot machine according to claim 2, characterized in that: The water storage device comprises a pressure barrel, The water storage device further comprises a first check valve, which is connected in series to the water inlet of the pressure barrel; and / or The integrated cold and hot machine also includes a first zero-pressure valve, which is connected in series between the water outlet of the pressure barrel and the water inlet of the flow-adjustable pumping device.

10. The integrated cold and hot machine according to claim 1, characterized in that: The water inlet of the flow-adjustable pumping device is connected to the clean water inlet through an inlet waterway, and the buffer device includes a drainage waterway, the water inlet of the drainage waterway is connected to the inlet waterway, and a pressure relief valve is arranged on the drainage waterway.

11. The integrated cold and hot machine according to claim 10, characterized in that: The buffer device also includes a second zero-pressure valve, which is arranged on the water inlet waterway and located downstream of the water inlet of the drainage waterway.

12. The integrated cold and hot machine according to claim 10, characterized in that: The integrated cold and hot machine also has a raw water inlet and a reflux outlet for connecting to the raw water inlet of the water purifier, and the outlet of the drainage waterway is connected to the reflux outlet. The integrated cold and hot machine further includes a pressure reducing valve, a water inlet of the pressure reducing valve is connected to the raw water inlet, and a water outlet of the pressure reducing valve is connected to the reflux outlet.

13. The integrated cold and hot machine according to claim 10, characterized in that: The water inlet waterway is also provided with a water inlet solenoid valve, and the water inlet solenoid valve is located upstream of the water inlet of the drainage waterway.

14. The integrated cold and hot machine according to claim 1, characterized in that: The integrated cold and hot machine further comprises a cold water check valve, which is arranged on the cold water circuit and located between the refrigeration device and the water outlet of the normal temperature water circuit.

15. The integrated cold and hot machine according to claim 1, characterized in that: The water inlet of the cold water circuit is connected to the water outlet of the flow-adjustable pumping device to be connected to the clean water inlet; or The cold water circuit is provided with a cold water pumping device.

16. The integrated cold and hot machine according to claim 1, characterized in that: The hot and cold all-in-one machine also includes a heating faucet, and the heating body is arranged on the heating faucet.

17. The integrated cold and hot machine according to claim 1, characterized in that: The refrigeration device comprises an ice liner and a plurality of refrigeration components, wherein the plurality of refrigeration components are arranged on two sides of the ice liner in a front-to-rear direction in a relative manner.

18. The integrated cold and hot machine according to claim 1, characterized in that: A normal temperature water solenoid valve is also provided on the normal temperature water channel, and the control device is also used to control the normal temperature water solenoid valve to open when taking normal temperature water, and control the normal temperature water solenoid valve to close when stopping taking normal temperature water.

19. The integrated cold and hot machine according to claim 1, characterized in that: The water inlet includes a first water inlet and a second water inlet, the water outlet of the cold water circuit and the water outlet of the normal temperature water circuit are connected to the first water inlet, and the water outlet of the hot water circuit is connected to the second water inlet.

20. A water purification system, characterized in that: It comprises a water purifier and a hot and cold integrated machine as described in any one of claims 1 to 19, wherein the water purifier has a purified water outlet connected to a purified water inlet of the hot and cold integrated machine.

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