Water supply device

Abstract

The utility model discloses a water supply device which comprises a heat exchange device, a hot tank and a water outlet device, and the heat exchange device is provided with a water flow channel and a heat exchange medium channel which are isolated from each other; the heat tank is used for containing a heat exchange medium and is connected with a heat exchange power part used for enabling the heat exchange medium to flow through the heat exchange medium channel; the water outlet device is communicated with the water flow channel; and the hot tank is provided with an exhaust hole which is communicated with the water outlet device. Compared with the prior art, the hot tank is arranged, the hot tank is mainly used for preheating the water flow in the water flow channel, the heater conducts secondary heating on the water flow for a short time, and the water flow can be heated to the designated temperature by the heater in the process of flowing to the faucet, so that a user can open the faucet to discharge hot water, and the user experience is improved. And meanwhile, the exhaust hole of the hot tank is connected with the water outlet device, water vapor generated in the hot tank is discharged outwards through the water outlet device, no extra exhaust component needs to be added, and the production cost of the device is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot water device technical field, especially a water supply device. BACKGROUND

[0002] The water heater is a kind of equipment for preparing hot water, with the pursuit of people's life convenience, water heater has become one of the household appliances commonly used in today's family.In daily life, people often need to use hot water, such as washing hands, washing face, etc.With water heater, just open the faucet, can get hot water, without waiting for stove to boil water or from other hot water source to transport hot water, greatly save time.

[0003] The hot tank of the water heater in the prior art is generally used to store hot water for drinking, when heating, water vapor is generated inside, if the water vapor in the hot tank cannot be discharged, with the continuation of heating process, water vapor will be continuously generated, when the pressure exceeds the limit that the hot tank can bear, the hot tank may be deformed and other abnormalities, and serious may cause explosion.The explosion can cause damage to the hot tank, and may cause serious injury to the surrounding people and equipment, and the reliability is poor. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides a water supply device, which can discharge internal water vapor and ensure safe use of the device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A water supply device, comprising a heat exchange device, a hot tank and a water outlet device, the heat exchange device is provided with a water flow channel and a heat exchange medium channel which are isolated from each other;The hot tank is used to contain heat exchange medium, the hot tank is connected with heating element for heating the heat exchange medium, the hot tank is also connected with heat exchange power component for making the heat exchange medium flow through the heat exchange medium channel;The water outlet device is communicated with the water flow channel;Wherein, the hot tank is provided with exhaust hole, the exhaust hole is communicated with the water outlet device.

[0007] As one of the embodiments, the heat exchange power component includes a circulating pump, a first pipeline and a second pipeline, the heat exchange medium channel has an outlet and an inlet, the first pipeline is respectively communicated with the hot tank and the inlet, the second pipeline is respectively communicated with the hot tank and the outlet, the circulating pump and the first pipeline are connected, and the circulating pump is used to make the heat exchange medium flow through the heat exchange medium channel.

[0008] As one of the embodiments, the water outlet device comprises a faucet, an exhaust pipe and a water outlet pipe, the faucet is provided with an exhaust hole, the water outlet pipe and the exhaust pipe are communicated with the faucet respectively, the water outlet pipe is communicated with the water flow channel, and the exhaust pipe is communicated with the exhaust hole and the exhaust port.

[0009] As one of the embodiments, the water outlet device comprises a switch valve and a valve body, the switch valve is connected to the water outlet pipe for opening and closing the water outlet pipe, and the valve body is connected to the exhaust pipe for opening and closing the exhaust pipe.

[0010] As one of the embodiments, the water outlet pipe and the exhaust pipe are independently provided respectively, or the water outlet pipe and the exhaust pipe are connected with each other and not communicated with each other.

[0011] As one of the embodiments, the heating element is arranged inside the heat tank, or the heating element is arranged outside the heat tank.

[0012] As one of the embodiments, the water outlet device comprises a first connecting pipe and a barrier, the first connecting pipe has three connecting ports, two of the connecting ports are communicated with the water flow channel and the exhaust hole respectively, and the other connecting port is communicated with the exhaust pipe and the water outlet pipe simultaneously, the barrier is arranged in the exhaust pipe, and the barrier is used for blocking liquid and conducting gas.

[0013] As one of the embodiments, the barrier is a gas valve, or the barrier adopts a porous structure, or the barrier is made of a hydrophobic membrane material.

[0014] As one of the embodiments, the water outlet device comprises a second connecting pipe, the second connecting pipe has opposite first and second ends, the first end is provided with an upper and lower arranged water inlet and air inlet, the water inlet is communicated with the water flow channel, and the air inlet is communicated with the exhaust hole; the second end is provided with an upper and lower arranged water outlet and air outlet, the water outlet is communicated with the water outlet pipe, and the air outlet is communicated with the exhaust pipe.

[0015] The air inlet is arranged above the water inlet, and the air outlet is arranged above the water outlet.

[0016] As one of the embodiments, the exhaust pipe penetrates through the heat exchange device, and the exhaust pipe is used for heating the water flow channel and / or the heat exchange medium channel.

[0017] The utility model discloses a beneficial effect lies in: the application provides a water supply device, including heat exchange device, hot jar and water outlet device, and heat exchange device is provided with the water flow channel and heat exchange medium channel of mutual isolation, and the hot jar is used for containing heat exchange medium, and the hot jar is connected with the heating piece for heating heat exchange medium, and the hot jar is also connected with the heat exchange power component for making heat exchange medium flow through heat exchange medium channel, and the water outlet device is connected in the water flow channel, wherein, the hot jar is provided with the exhaust hole, and the exhaust hole is connected with the water outlet device. Compared with the prior art, the application sets up the hot jar, and the hot jar is mainly used for heating the water flow of the water flow channel in the heat exchange device, and the time required for the heater to carry out secondary heating to the water flow flowing out of the water flow channel is short (or power is small), and the water flow can be heated to the specified temperature by the heater in the process of flowing to the faucet, therefore, the user can pour out hot water by opening the faucet, realizes the effect that hot water is out, and the exhaust hole of the hot jar is connected with the water outlet device, and the water vapor generated in the hot jar is discharged outward through the water outlet device, so that the water supply device does not need to increase additional exhaust components, and the production cost of the device is saved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure schematic diagram of a water supply device of the utility model is shown.

[0019] Figure 2 The structure schematic diagram of a first connecting pipe of the utility model is shown.

[0020] Figure 3 The structure schematic diagram of a second connecting pipe of the utility model is shown.

[0021] Figure 4 Another structure schematic diagram of a water supply device of the utility model is shown.

[0022] Sign: 1, heat exchange device, 2, hot jar, 3, water outlet device, 4, water inlet pipeline, 5, heater, 21, heat exchange power component, 211, circulating pump, 212, first pipeline, 213, second pipeline, 31, faucet, 32, exhaust pipe, 33, water outlet pipe, 34, first connecting pipe, 35, second connecting pipe, 341, connecting port, 351, air inlet, 352, water inlet, 353, water outlet, 354, gas outlet. DETAILED DESCRIPTION

[0023] In the utility model, the terms "arrange", "have", "connect" should be understood broadly. For example, it can be fixed connection, detachable connection or integral structure, it can be mechanical connection or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, or the internal communication between two devices, elements or components. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0024] The terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "radial", "circumferential", and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0026] Also, in addition to being used to indicate the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific situation.

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and are not used to limit the present application.

[0028] Referring to Figure 1 The embodiment of the present application provides a water supply device, which comprises a heat exchange device 1, a heat tank 2 and a water outlet device 3, the heat exchange device 1 is provided with water flow channels and heat exchange medium channels which are isolated from each other; the heat tank 2 is used for containing heat exchange medium, the heat tank 2 is connected with a heating part for heating the heat exchange medium, and the heat tank 2 is also connected with a heat exchange power component 21 for making the heat exchange medium flow through the heat exchange medium channels; the water outlet device 3 is communicated with the water flow channels; wherein the heat tank 2 is provided with an exhaust hole, and the exhaust hole is communicated with the water outlet device 3.

[0029] In practical applications, the water supply device can further include a water inlet pipeline 4 and a heater 5. The heat exchange medium contained in the heat tank 2 can be hot water or other liquid with a relatively high temperature. The water flow channel is connected to the water inlet pipeline 4 and the water outlet device 3, respectively. The heater 5 can be connected downstream of the heat exchange device 1, that is, the water flow passing through the heat exchange device 1 can be further heated by the heater 5 and then flow to the water outlet device 3. The water flows from the water inlet pipeline 4 to the water flow channel, and then to the water outlet device 3 and is discharged to the outside. The heat tank 2 is connected to the heat exchange medium channel. The heat exchange power component 21 drives the water in the heat tank 2 to circulate in the heat exchange medium channel. Specifically, the heat exchange power component 21 drives the hot water in the heat tank 2 to flow to the heat exchange medium channel. When the hot water (heat exchange medium) flows in the heat exchange medium channel, the hot water (heat exchange medium) exchanges heat with the water in the water flow channel to heat the water in the water flow channel. After the temperature of the hot water (heat exchange medium) is reduced, the hot water (heat exchange medium) returns to the heat tank 2 through the heat exchange medium channel to be heated again, so that the hot water (heat exchange medium) circulates between the heat tank 2 and the heat exchange medium channel, ensuring that the hot water (heat exchange medium) in the heat exchange medium channel always maintains a relatively high temperature. After the water in the water flow channel is heated by the hot water (heat exchange medium) in the heat exchange medium channel, the water flows to the water outlet 353. According to the setting of the water outlet temperature, the water can be heated again by the heater 5, so that the water is heated to a specified temperature and then discharged from the water outlet device 3, realizing the function of the water supply device, that is, the hot water outlet. The heater 5 can be a thick film heater 5 or other structure. Of course, in possible embodiments, the heater 5 can also be arranged upstream of the heat exchange device 1.

[0030] Meanwhile, the heat tank 2 is provided with an exhaust hole for discharging water vapor in the heat tank 2 to avoid excessive pressure in the heat tank 2 and cause abnormal use. The exhaust hole can be connected to the water outlet device 3 through a pipeline to discharge the water vapor from the water outlet device 3, thereby ensuring that the internal pressure of the heat tank 2 is in a normal state.

[0031] Compared with the prior art, the heat tank 2 is arranged to heat exchange the water flow in the heat exchange device 1. The water flow is heated, so that the time required for the heater 5 to heat the water flow to a specified temperature is short (or the power required is small). The water flow can be heated to a specified temperature by the heater 5 during the process of flowing to the water outlet device 3. Therefore, the user can open the faucet to discharge hot water at a specified temperature to achieve the effect of hot water outlet. The exhaust hole of the heat tank 2 is connected to the water outlet device 3 to discharge the water vapor generated in the heat tank 2 to the outside through the water outlet device 3. In this way, the water supply device does not need to increase an additional exhaust component, thereby saving the production cost of the device.

[0032] In an embodiment, the heating element can be arranged inside the hot tank 2, or the heating element can be arranged outside the hot tank 2. The heating element is mainly used to heat the hot water (heat exchange medium) in the hot tank 2, so the heating element can be arranged inside the hot tank 2 to save the space and volume of the whole device; the heating element can also be arranged outside, which is more convenient to install and beneficial to maintenance and replacement.

[0033] Referring again to Figure 1 , the heat exchange power component 21 includes a circulating pump 211, a first pipeline 212 and a second pipeline 213, the heat exchange medium passage has an outlet and an inlet, the first pipeline 212 is respectively communicated with the hot tank 2 and the inlet, the second pipeline 213 is respectively communicated with the hot tank 2 and the outlet, the circulating pump 211 is connected with the first pipeline 212, and the circulating pump 211 is used to make the heat exchange medium flow through the heat exchange medium passage.

[0034] In actual application, the heat exchange medium passage usually has an inlet and an outlet, the first pipeline 212 is communicated with the inlet, the circulating pump 211 pumps the hot water in the hot tank 2 from the inlet into the heat exchange medium passage, after the hot water flows in the heat exchange medium passage and exchanges heat with the water flow passage, the temperature of the hot water is reduced, and then the hot water flows back to the inside of the hot tank 2 from the outlet through the second pipeline 213, is heated by the heating element again, and is pumped into the heat exchange medium passage again to circulate, so as to realize the heating effect of the hot tank 2 on the water inlet passage.

[0035] It should be noted that the circulating pump 211 can adopt a structure such as a water pump.

[0036] Referring again to Figure 1 , the water outlet device 3 includes a faucet 31, an exhaust pipe 32 and a water outlet pipe 33, the faucet 31 is provided with an exhaust port, the water outlet pipe 33 and the exhaust pipe 32 are respectively communicated with the faucet 31, the water outlet pipe 33 is communicated with the water flow passage, and the exhaust pipe 32 is communicated with the exhaust hole and the exhaust port.

[0037] In actual application, the water outlet pipe 33 is respectively communicated with the water flow passage and the faucet 31, and the heater 5 is connected on the water outlet pipe 33, the water in the water flow passage is heated by the hot tank 2, guided to the water outlet pipe 33, and heated again by the heater 5, and then discharged from the faucet 31 for use by the user. The exhaust pipe 32 is respectively communicated with the faucet 31 and the exhaust hole, and the exhaust pipe 32 discharges the water vapor in the hot tank 2 from the exhaust port of the faucet 31 to the outside, reduces the pressure in the hot tank 2, ensures the safety of use of the device, and at the same time, does not need to set an additional exhaust equipment, saving cost.

[0038] The water outlet device 3 further includes a switch valve and a valve body, the switch valve is connected to the water outlet pipe 33 and is used to open and close the water outlet pipe 33, and the valve body is connected to the exhaust pipe 32 and is used to open and close the exhaust pipe 32.

[0039] In practical applications, the on-off valve can be arranged on the faucet 31, so that the faucet 31 can control the on-off of the water flow, facilitating the use of the user. The valve body can also be arranged on the faucet 31, and when it is necessary to exhaust, the valve body is opened, so that the water vapor is discharged from the exhaust port of the faucet 31.

[0040] In an embodiment, the valve body can be a one-way valve or an on-off valve, etc. The one-way valve is a kind of valve that only allows fluid (gas) to flow in one direction, so that the water vapor can only flow to the exhaust port through the exhaust pipe 32, and cannot flow in the opposite direction, achieving the effect of automatic exhaust, without the need to frequently open and close the valve body. Of course, the valve body can also not be arranged.

[0041] In an embodiment, the water outlet pipe 33 and the exhaust pipe 32 are arranged independently, and the water outlet pipe 33 and the exhaust pipe 32 are isolated, the heat exchange medium is completely isolated from the drinking water, and moreover, such arrangement facilitates installation and maintenance, and when one of the pipes is damaged, it can be individually disassembled for replacement and maintenance.

[0042] In an embodiment, the water outlet pipe 33 and the exhaust pipe 32 are connected to each other and not communicated with each other, that is, the water outlet pipe 33 and the exhaust pipe 32 are integrated into a whole pipe body, and the pipe body is provided with two channels not communicated with each other, so that when installed, the installation space inside the device is effectively saved.

[0043] Referring to Figure 2 , the water outlet device 3 further comprises a first connecting pipe 34 and a blocking piece, the first connecting pipe 34 has three connecting ports 341, two of which are respectively communicated with the water flow channel and the exhaust hole, and the other connecting port 341 is simultaneously communicated with the exhaust pipe 32 and the water outlet pipe 33, and the blocking piece is arranged in the exhaust pipe 32, and the blocking piece is used to block the liquid and guide the gas.

[0044] In practical applications, the first connecting pipe 34 can be used as the main connecting pipe, and is respectively communicated with the water flow channel and the exhaust hole, and the water in the water flow channel and the water vapor discharged from the exhaust hole are all flowed into the first connecting pipe 34, and the other interface of the first connecting pipe 34 simultaneously connects the exhaust pipe 32 and the water outlet pipe 33, and since the blocking piece is arranged in the exhaust pipe 32, when the water and the water vapor in the first connecting pipe 34 are simultaneously guided to the exhaust pipe 32 and the water outlet pipe 33, the blocking piece blocks the water flow, so that only the water vapor is discharged from the exhaust pipe 32, and the water is discharged from the water outlet pipe 33, achieving the effect of separating the water and the water vapor, facilitating the exhaust and the drainage. Integrating the exhaust pipe 32 and the water outlet pipe 33 on the first connecting pipe 34 can effectively reduce the length of the exhaust pipe 32 and the water outlet pipe 33, facilitating the installation of the exhaust pipe 32 and the water outlet pipe 33.

[0045] In an embodiment, the barrier can be a gas valve, which is mainly designed for controlling the flow of gas. Gas molecules have large spacing, strong flowability and high compressibility. Liquid molecules have small spacing, weak flowability and almost no compressibility, so the liquid can be effectively blocked from flowing into the exhaust pipe 32.

[0046] In an embodiment, the barrier can have a porous structure, which generally has nanoscale pores. Liquid molecules are difficult to break through the surface tension and enter the pores, thereby achieving the effect of preventing water flow.

[0047] In an embodiment, the barrier can be made of a hydrophobic film material. The hydrophobic film material can block the liquid mainly based on its special surface energy and contact angle characteristics. When the liquid contacts the surface of the hydrophobic film material, a contact angle is formed. For the hydrophobic material, the surface energy is low, so that the liquid forms a large contact angle on the surface, and the contact angle can be close to 180°. The liquid is like a water bead rolling on the surface of the hydrophobic film material and cannot penetrate. At the same time, the hydrophobic film material generally has a certain pore structure, which can provide gas flow.

[0048] It should be noted that the barrier can also have other structures, which are not limited in the present application.

[0049] In an embodiment, the heat exchange device 1 includes a plurality of water flow channels and a plurality of heat exchange medium channels. Each water flow channel and each heat exchange medium channel are isolated from each other. Adjacent two water flow channels can be connected to each other. Adjacent two heat exchange medium channels can be connected to each other, and a water flow channel is clamped between the adjacent two heat exchange medium channels. That is, the water flow channels and the heat exchange medium channels are alternately arranged and are not connected to each other. The water flow channels can be connected to each other, and the heat exchange medium channels can be connected to each other. In this way, the water flow channels are heated on both sides by the heat exchange medium channels, effectively improving the heat exchange efficiency between the heat exchange medium channels and the water flow channels.

[0050] Specifically, the heat exchange device 1 includes a plurality of heat conduction structures. The plurality of heat conduction structures are stacked together. Heat exchange medium channels are formed between adjacent two heat conduction structures. Water flow channels are arranged inside each heat conduction structure. The heat conduction structure has a plate or sheet structure. In this way, the contact area of the water flow channels and the heat exchange medium channels can be increased. The heat conduction structure can be made of a material with high thermal conductivity, such as metal, to achieve efficient heat transfer.

[0051] Referring to Figure 3The water outlet device 3 can further comprise a second connecting pipe 35 having opposite first and second ends, the first end being provided with a water inlet 352 and an air inlet 351 arranged vertically, the water inlet 352 being communicated with the water flow channel, and the air inlet 351 being communicated with the exhaust hole; the second end being provided with a water outlet 353 and an air outlet 354 arranged vertically, the water outlet 353 being communicated with the exhaust pipe 32, and the air outlet 354 being communicated with the exhaust pipe 32; wherein the air inlet 351 is arranged above the water inlet 352, and the air outlet 354 is arranged above the water outlet 353.

[0052] In actual application, the second connecting pipe 35 is respectively provided with the water inlet 352, the air inlet 351, the water outlet 353 and the air outlet 354, and the air inlet 351 and the air outlet 354 are arranged above the water inlet 352 and the water outlet 353, so that when the water flow and the water vapor enter the second connecting pipe 35 at the same time, the water vapor diffuses upward in a gaseous state, and the water flow is always below the water vapor due to gravity in a liquid state, and therefore the air inlet 351 and the air outlet 354 are arranged above the water inlet 352 and the water outlet 353 to automatically form separation of the water flow and the water vapor, the water flow cannot enter the air inlet 351 and the air outlet 354, thereby avoiding the water flow entering the exhaust pipe 32 and wasting water resources. In this way, the separation of the water vapor and the water flow can be realized without a blocking piece, and the structure is simpler and more practical.

[0053] Referring to Figure 4 The exhaust pipe 32 penetrates through the heat exchange device 1, and the exhaust pipe 32 is used for heating the water flow channel and / or the heat exchange medium channel.

[0054] In actual application, since the water vapor has a high temperature, which is higher than that of the liquid water flow, the exhaust pipe 32 can penetrate through the heat exchange device 1, and the exhaust pipe 32 exchanges heat with the water flow channel or the heat exchange medium channel when the water vapor flows through the exhaust pipe 32, so that the water flow is heated by the temperature of the water vapor to realize secondary utilization of heat energy, greatly improve the heating efficiency of the water supply device, and enhance the energy-saving effect of the water supply device.

[0055] In an embodiment, the heat tank can further be provided with a pressure relief valve and a temperature sensor. When the exhaust pipe is blocked, the pressure in the heat tank is too large, and when the pressure exceeds the pressure value set by the pressure relief valve, the pressure relief valve will automatically open to release the excess pressure, so as to ensure that the pressure in the heat tank is always within a safe range. The temperature sensor can be electrically connected to the heating element through a control system. The temperature sensor is used to monitor the temperature in the heat tank. When the temperature exceeds the preset temperature, the temperature sensor transmits the temperature information to the control system, and the control system controls the heating element to stop heating. When the temperature decreases, the temperature sensor transmits the temperature information to the control system, and the control system controls the heating element to start heating. This ensures that the heat exchange medium in the heat tank is always at a specified temperature, and can effectively exchange heat with the water flow in the water flow channel.

[0056] Compared with the prior art, the application provides a water supply device, which comprises a heat exchange device 1, a heat tank 2, and a water outlet device 3. The heat exchange device 1 is provided with a water flow channel and a heat exchange medium channel that are isolated from each other. The heat tank 2 is used to contain heat exchange medium. The heat tank 2 is connected with a heating element for heating the heat exchange medium. The heat tank 2 is further connected with a heat exchange power component 21 for making the heat exchange medium flow through the heat exchange medium channel. The water outlet device 3 is communicated with the water flow channel. The heat tank 2 is provided with an exhaust hole, and the exhaust hole is communicated with the water outlet device 3. Compared with the prior art, the application provides the heat tank 2, which is mainly used to heat the water flow in the water flow channel in the heat exchange device 1, so that the temperature of the water flow is increased. The heater 5 can perform secondary heating on the water flow flowing out of the water flow channel. The time required for heating is short (or the power is small). The water flow can be heated to a specified temperature by the heater 5 during flowing to the faucet 31. Therefore, the user can pour out hot water by opening the faucet 31, so as to realize the effect of immediately pouring out hot water. The exhaust hole of the heat tank 2 is connected with the water outlet device 3, and the water vapor generated in the heat tank 2 is discharged outward through the water outlet device 3. In this way, the water supply device does not need to increase an additional exhaust component, thereby saving the production cost of the device.

[0057] The above is only a specific embodiment of the application. It should be pointed out that, for ordinary skilled persons in the technical field, without departing from the principle of the application, a number of improvements and refinements can be made, which should also be regarded as the protection scope of the application.

Claims

1. A water supply device characterized by comprising: The application relates to a heat exchange device. The heat exchange device comprises a water flow channel and a heat exchange medium channel which are isolated from each other; a heat tank (2) for containing heat exchange medium, wherein the heat tank (2) is connected with a heating element for heating the heat exchange medium, and the heat tank (2) is also connected with a heat exchange power component (21) for making the heat exchange medium flow through the heat exchange medium channel; and a water outlet device (3) which is communicated with the water flow channel. The heat tank (2) is provided with an exhaust hole which is communicated with the water outlet device (3). The heat exchange power component (21) comprises a circulating pump (211), a first pipeline (212) and a second pipeline (213), the heat exchange medium channel has an outlet and an inlet, the first pipeline (212) is respectively communicated with the heat tank (2) and the inlet, the second pipeline (213) is respectively communicated with the heat tank (2) and the outlet, the circulating pump (211) is connected with the first pipeline (212), and the circulating pump (211) is used for making the heat exchange medium flow through the heat exchange medium channel. The water outlet device (3) comprises a faucet (31), an exhaust pipe (32) and a water outlet pipe (33), the faucet (31) is provided with an exhaust port, the water outlet pipe (33) and the exhaust pipe (32) are respectively communicated with the faucet (31), the water outlet pipe (33) is communicated with the water flow channel, and the exhaust pipe (32) is communicated with the exhaust hole and the exhaust port.

2. The water supply device according to claim 1, characterized in that The water outlet device (3) comprises a switch valve and a valve body, the switch valve is connected with the water outlet pipe (33) and is used for opening and closing the water outlet pipe (33), and the valve body is connected with the exhaust pipe (32) and is used for opening and closing the exhaust pipe (32).

3. The water supply device according to claim 1, characterized by The water outlet pipe (33) and the exhaust pipe (32) are respectively independently arranged; or the water outlet pipe (33) and the exhaust pipe (32) are connected with each other and are not communicated with each other.

4. The water supply device according to claim 3, characterized by The heating element is arranged in the heat tank (2) or arranged outside the heat tank (2).

5. The water supply device according to claim 3, characterized by The water outlet device (3) comprises a first connecting pipe (34) and a barrier, the first connecting pipe (34) has three connecting ports (341), two of the connecting ports (341) are respectively communicated with the water flow channel and the exhaust hole, and the other connecting port (341) is simultaneously communicated with the exhaust pipe (32) and the water outlet pipe (33), the barrier is arranged in the exhaust pipe (32), and the barrier is used for blocking liquid and conducting gas.

6. The water supply apparatus according to claim 1, wherein The barrier is a gas valve; or the barrier adopts a porous structure; or the barrier is made of a hydrophobic membrane material.

7. The water supply apparatus according to claim 3, wherein ​ 8. The water supply device according to claim 7, characterized by ​ 9. The water supply apparatus according to claim 3, characterized by The water outlet device (3) comprises a second connecting pipe (35) having opposite first and second ends, the first end is provided with a water inlet (352) and an air inlet (351) arranged in an up-down manner, the water inlet (352) is communicated with the water flow channel, and the air inlet (351) is communicated with the exhaust hole; the second end is provided with a water outlet (353) and an air outlet (354) arranged in an up-down manner, the water outlet (353) is communicated with the water outlet pipe (33), and the air outlet (354) is communicated with the exhaust pipe (32); Wherein, the air inlet (351) is arranged above the water inlet (352), and the air outlet (354) is arranged above the water outlet (353).

10. The water supply apparatus according to claim 3, characterized by The exhaust pipe (32) penetrates through the heat exchange device (1), and the exhaust pipe (32) is used for heating the water flow channel and / or the heat exchange medium channel.

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