Liquid supply system and liquid supply device thereof

Abstract

The utility model provides a liquid supply system and a liquid supply device thereof, and relates to the field of liquid supply devices.The liquid supply device comprises a heat insulation part, a liquid storage part, a heating part and a driving assembly, the heat insulation part is provided with a first containing cavity, the first containing cavity has a preset vacuum degree, the liquid storage part is arranged in the first containing cavity, and the heating part is arranged in the first containing cavity; the liquid storage part is used for storing liquid, the liquid storage part comprises an exhaust end and a liquid discharge end which are oppositely arranged, an exhaust port is formed in the exhaust end, a liquid inlet and a liquid discharge port are formed in the liquid discharge end, the heating part is arranged in the liquid storage part and makes contact with the liquid, the driving assembly is connected with the liquid storage part, and the liquid storage part is connected with the driving assembly. And the driving assembly is used for driving the liquid to flow in the liquid storage part. According to the liquid supply device provided by the invention, the temperature of liquid in different areas can be uniform, so that the problem that the liquid discharge temperature of the liquid discharge port is not uniform can be solved, the use experience of a user side is improved, and the liquid supply stability is improved.

Description

Technical Field

[0001] The present application relates to the field of liquid supply devices, and particularly to a liquid supply system and its liquid supply device. Background Art

[0002] The hot water generated by a water supply device is supplied to places such as a shower room, a washbasin, a kitchen, and a washing machine through pipelines to achieve multi-point water supply in a household, and can ensure meeting the needs of multi-point, simultaneous, and large-volume water use.

[0003] In related water supply devices, there are situations where the water supply temperature is too high or too low, affecting the stability of water supply. Summary of the Utility Model

[0004] To overcome the deficiencies in the prior art, the present application provides a liquid supply system and its liquid supply device.

[0005] In a first aspect, a liquid supply device provided by the present application includes: a heat insulation member, a liquid storage member, a heating member, and a driving assembly. The heat insulation member has a first accommodation cavity, and the first accommodation cavity has a preset vacuum degree. The liquid storage member is disposed in the first accommodation cavity. The liquid storage member is used for storing liquid. The liquid storage member includes an exhaust end and a liquid discharge end disposed opposite to each other. An exhaust port is provided on the exhaust end, and a liquid inlet and a liquid discharge port are provided on the liquid discharge end. The heating member is disposed in the liquid storage member and is in contact with the liquid. The driving assembly is connected to the liquid storage member, and the driving assembly is used for driving the liquid to flow in the liquid storage member.

[0006] In combination with the first aspect, in a possible implementation manner, the liquid supply device further includes: a first detection member and a second detection member. The first detection member is disposed in the liquid storage member and is located on the liquid discharge end. The first detection member is used for detecting the temperature of the liquid. The second detection member is disposed in the liquid storage member. The second detection member is used for detecting the liquid level of the liquid in the liquid storage member.

[0007] In combination with the first aspect, in a possible implementation manner, the driving assembly includes: a stirring member. The stirring member is disposed in the liquid storage member and is located on a side of the heating member away from the exhaust port.

[0008] In combination with the first aspect, in a possible implementation manner, the driving assembly connects the liquid discharge port and the liquid inlet, and the driving assembly is used for driving the liquid to flow from the liquid discharge port into the liquid inlet to drive the liquid to flow in the liquid storage member.

[0009] In combination with the first aspect, in a possible embodiment, the liquid inlet includes: a first liquid inlet and a second liquid inlet, the first liquid inlet is arranged on the discharge end, and the first liquid inlet is connected to the filter end, the second liquid inlet is arranged on the exhaust end, the driving component connects the discharge port and the second liquid inlet, and the driving component is used to drive the liquid to discharge the liquid storage component from the discharge port and flow into the liquid storage component from the second liquid inlet to drive the liquid to flow in the liquid storage component.

[0010] In combination with the first aspect, in a possible embodiment, the driving component includes: a circulation connecting pipe and a circulation pump, the circulation connecting pipe is arranged between the discharge port and the second liquid inlet, and the circulation connecting pipe connects the discharge port and the second liquid inlet, and the circulation pump is arranged on the circulation connecting pipe.

[0011] In combination with the first aspect, in a possible implementation, the liquid supply device further includes: a first valve, wherein the first valve is disposed on the circulation connecting pipe, and the first valve is located between the circulation pump and the second liquid inlet.

[0012] In combination with the first aspect, in a possible embodiment, a first liquid inlet is provided on the first liquid inlet, the first liquid inlet pipe connects the first liquid inlet and the filter end, and the filter end is located on the side of the thermal insulation component away from the first accommodating cavity, and the second liquid inlet is located on the side of the heating component away from the exhaust port.

[0013] In combination with the first aspect, in a possible implementation, a liquid collection connecting pipe is provided on the liquid discharge port, a second valve and / or a liquid collection pump is provided on the liquid collection connecting pipe, and the liquid supply device further includes: a liquid collection end, and the liquid collection connecting pipe connects the liquid collection end with the liquid discharge port.

[0014] In a second aspect, the present application provides a liquid supply system, comprising the liquid supply device described above.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The liquid supply device provided by this application has a heat insulation member with a first accommodation cavity, and the first accommodation cavity has a preset vacuum degree to provide a vacuum heat insulation layer for the liquid storage member in the first accommodation cavity, thereby reducing the heat loss of the liquid in the liquid storage member and enhancing the heat preservation effect. The heating member is arranged in the liquid storage member and is in direct contact with the liquid, so that the liquid can absorb the heat generated by the heating member to the maximum extent, and the heating speed of the liquid is increased. The exhaust port arranged on the exhaust end can make the air pressure inside and outside the liquid storage member consistent, avoiding the problem of unsmooth liquid discharge at the liquid discharge port caused by the difference in air pressure inside and outside the liquid storage member, and improving the stability of the liquid discharge volume at the liquid discharge port. The driving member can drive the liquid to flow in the liquid storage member to mix the liquid in different regions of the liquid storage member, thereby making the temperature of the liquid in different regions uniform, improving the problem of uneven liquid discharge temperature at the liquid discharge port, enhancing the user experience, and improving the stability of liquid supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of this application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 The structural schematic diagram of the liquid supply device in Embodiment 1 is shown;

[0019] Figure 2 The structural schematic diagram of the liquid supply device in Embodiment 2 is shown;

[0020] Figure 3 The structural schematic diagram of the liquid supply device in Embodiment 3 is shown.

[0021] MAIN SYMBOL DESCRIPTION OF ELEMENTS:

[0022] 100 - heat insulation member; 110 - first accommodation cavity; 200 - liquid storage member; 210 - second accommodation cavity; 220 - exhaust end; 221 - exhaust port; 222 - second liquid inlet; 230 - liquid discharge end; 231 - liquid discharge port; 232 - first liquid inlet; 300 - heating member; 400 - driving assembly; 410 - stirring member; 420 - circulation connecting pipe; 430 - circulation pump; 440 - first valve; 450 - second valve; 500 - liquid extraction connecting pipe; 600 - faucet; 700 - first detection member; 800 - second detection member; 900 - liquid extraction pump. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Embodiments of the present application will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where like or similar reference numerals denote like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary only for explaining the present application and should not be construed as limiting the present application.

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for facilitating the description of the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0026] In the present application, unless otherwise clearly defined and limited, the terms "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0027] In the present application, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0028] Embodiment 1

[0029] Please refer to Figure 1 In an embodiment of the present application, a liquid supply device is provided. The liquid supply device includes: a heat insulation member 100, a liquid storage member 200, a heating member 300, and a driving assembly 400. The heat insulation member 100 has a first accommodation cavity 110, and the first accommodation cavity 110 has a preset vacuum degree. The liquid storage member 200 is disposed in the first accommodation cavity 110. The liquid storage member 200 is used for storing liquid. The liquid storage member 200 includes an exhaust end 220 and a liquid discharge end 230 which are oppositely arranged. An exhaust port 221 is provided on the exhaust end 220. A liquid inlet and a liquid discharge port 231 are provided on the liquid discharge end 230. The heating member 300 is disposed in the liquid storage member 200 and is in contact with the liquid. The driving assembly 400 is connected to the liquid storage member 200, and the driving assembly 400 is used for driving the liquid to flow in the liquid storage member 200. The first accommodation cavity 110 of the heat insulation member 100 has a preset vacuum degree, so as to provide a vacuum heat insulation layer for the liquid storage member 200 in the first accommodation cavity 110, thereby reducing the heat loss of the liquid in the liquid storage member 200 and enhancing the heat preservation effect. The heating member 300 is disposed in the liquid storage member 200 and is in direct contact with the liquid, so that the liquid can absorb the heat generated by the heating member 300 to the maximum extent, and the heating speed of the liquid is increased. The exhaust port 221 provided on the exhaust end 220 can make the air pressure inside and outside the liquid storage member 200 consistent, avoiding the problem of unsmooth liquid discharge at the liquid discharge port 231 caused by the difference in air pressure inside and outside the liquid storage member 200, and improving the stability of the liquid discharge volume at the liquid discharge port 231. In addition, the driving member can drive the liquid to flow in the liquid storage member 200, so as to mix the liquid in different regions of the liquid storage member 200, thereby making the temperature of the liquid in different regions uniform, improving the problem of uneven liquid discharge temperature at the liquid discharge port 231, enhancing the user experience, and improving the stability of liquid supply.

[0030] In some embodiments, the liquid is water.

[0031] In other embodiments, the liquid may also be liquids that need to be heated, such as milk, reaction reagents, etc., which will not be listed one by one here.

[0032] In some embodiments, the heat insulation member 100 is a heat insulation box, and the heat insulation member 100 is made of heat preservation material. The liquid storage member 200 is a water storage tank, and the liquid storage member 200 is made of heat preservation material. The heat insulation member 100 and the liquid storage member 200 can form a heat preservation layer for the liquid, thereby reducing the heat loss of the liquid.

[0033] Please refer to Figure 1, in some embodiments, the liquid storage member 200 has a second accommodation cavity 210. The second accommodation cavity 210 is used to accommodate the liquid. The volume of the liquid storage member 200 is smaller than the volume of the heat insulation member 100, so that there is a gap between the heat insulation member 100 and the liquid storage member 200. The gap has the preset vacuum degree.

[0034] It can be understood that the gap is a vacuum environment to further enhance the heat preservation effect of the liquid.

[0035] In some embodiments, an exhaust pipe is provided on the exhaust port 221. One end of the exhaust pipe is communicated with the exhaust port 221, and the other end of the exhaust pipe extends outside the heat insulation member 100, so that the exhaust pipe communicates the outside atmosphere with the second accommodation cavity 210, thereby maintaining the air pressure inside and outside the second accommodation cavity 210 to avoid the problem of unsmooth drainage of the liquid discharge port 231 or explosion of the liquid storage member 200 caused by the difference in air pressure inside and outside the second accommodation cavity 210, and improving the safety and drainage stability during the use of the liquid supply device.

[0036] In some embodiments, a liquid discharge pipe is provided on the liquid discharge port 231. One end of the liquid discharge pipe is communicated with the liquid discharge port 231, and the other end of the liquid discharge pipe extends outside the heat insulation member 100.

[0037] In some embodiments, the liquid supply device further includes: a liquid taking end. The liquid taking end is connected to the liquid discharge pipe.

[0038] In some embodiments, a liquid taking connecting pipe 500 is provided between the liquid taking end and the liquid discharge pipe. The liquid taking connecting pipe 500 connects the liquid taking end and the liquid discharge pipe.

[0039] Please refer to Figure 1 , in some embodiments, the liquid supply device further includes: a faucet 600. The faucet 600 is provided on the liquid taking end. The water in the second accommodation cavity 210 sequentially passes through the liquid discharge port 231, the liquid discharge pipe, and the liquid taking connecting pipe 500 to reach the liquid taking end, and the user can take water as needed by operating the faucet 600.

[0040] Please refer to Figure 1 , in some embodiments, a liquid taking pump 900 is provided on the liquid taking connecting pipe 500. The liquid taking pump 900 is connected to the liquid taking connecting pipe 500, and the liquid taking pump 900 is used to pump the water in the second accommodation cavity 210 to the liquid taking end.

[0041] In some embodiments, the liquid inlet is the first liquid inlet 232. A first liquid inlet pipe is provided on the first liquid inlet 232. One end of the first liquid inlet pipe is connected to the first liquid inlet 232, and the other end of the first liquid inlet pipe extends outside the heat insulation member 100 and is connected to the filtration end. The filtration end is located on a side of the heat insulation member 100 away from the first accommodation cavity 110.

[0042] It can be understood that the water in the liquid storage member 200 is filtered purified water, that is, the water is filtered through the filtration end and then input into the first liquid inlet pipe, and enters the second accommodation cavity 210 through the first liquid inlet 232.

[0043] Please refer to Figure 1 , in some embodiments, the liquid supply device further includes: a first detection member 700 and a second detection member 800. The first detection member 700 is disposed in the liquid storage member 200, and the first detection member 700 is located on the liquid discharge end 230. The first detection member 700 is used to detect the temperature of the water in the liquid storage member 200 in real time. The second detection member 800 is disposed in the liquid storage member 200, and the second detection member 800 is used to detect the liquid level height of the water in the liquid storage member 200 in real time.

[0044] In some embodiments, the first detection member 700 is a water temperature sensor, which measures the temperature of the water in the liquid storage member 200 in real time so as to adjust the temperature of the water in time according to actual needs.

[0045] In some embodiments, the second detection member 800 is located on a side of the heating member 300 away from the liquid inlet, and the second detection member 800 is a liquid level sensor, which measures the liquid level height of the water in the liquid storage member 200 in real time so as to prompt to stop water replenishment when the liquid level is high and prompt to replenish water when the liquid level is low.

[0046] Please refer to Figure 1 , in some embodiments, the driving assembly 400 includes: a stirring member 410. The stirring member 410 is disposed in the liquid storage member 200, and the stirring member 410 is located on a side of the heating member 300 away from the second detection member 800. The stirring member 410 can make the water in the liquid storage member 200 flow when heated, so that the water in different regions of the liquid storage member 200 can be mixed, so as to make the heat of the water in different regions uniform, so that the water temperature is more uniform, and the problem of uneven water outlet temperature of the faucet 600 is improved.

[0047] The liquid supply device provided by the present application can provide a vacuum heat insulation layer for the hot water in the liquid storage member 200 by arranging the liquid storage member 200 in the heat insulation member 100 having the preset vacuum degree, so as to reduce the heat loss of the hot water in the liquid storage member 200, enhance the heat preservation effect, and reduce the energy consumption of the heating member 300. The heating member 300 is arranged in the liquid storage member 200 and is in direct contact with water, so that the water in the liquid storage member 200 can absorb the heat generated by the heating member 300 to the maximum extent, and the heating rate of the water in the liquid storage member 200 is increased. The exhaust pipe communicates the outside atmosphere with the second accommodation cavity 210 to maintain the air pressure inside and outside the second accommodation cavity 210 consistent, so as to avoid the unsmooth drainage of the liquid at the liquid discharge port 231 due to the difference in air pressure inside and outside the second accommodation cavity 210, and improve the stability of water supply. In addition, the stirring of the stirring member 410 can make the water in the liquid storage member 200 flow during heating, so as to mix the water in different regions of the liquid storage member 200, thereby making the heat of the water in different regions uniform, making the water temperature more uniform, improving the problem of too high or too low water supply temperature, and improving the stability of the water supply temperature.

[0048] Embodiment 2

[0049] Please refer to Figure 2 , the present application embodiment provides a liquid supply device. The difference between this embodiment and the above-mentioned Embodiment 1 is that the liquid inlet includes: the first liquid inlet 232 and the second liquid inlet 222 in the above-mentioned Embodiment 1. The second liquid inlet 222 is arranged on the exhaust end 220, and the second liquid inlet 222 is located on the side of the heating member 300 away from the exhaust port 221. A second liquid inlet pipe is arranged on the second liquid inlet 222. One end of the second liquid inlet pipe is connected to the second liquid inlet 222, and the other end of the second liquid inlet pipe extends outside the heat insulation member 100. The driving assembly 400 connects the liquid discharge pipe and the second liquid inlet pipe, and the driving assembly 400 is used to drive the liquid to flow from the liquid discharge pipe into the second liquid inlet pipe to drive the liquid to flow in the liquid storage member 200.

[0050] Please refer to Figure 2, in some embodiments, the driving assembly 400 includes a circulating connecting pipe 420 and a circulating pump 430. The circulating connecting pipe 420 is disposed between the liquid discharge port 231 and the second liquid inlet 222, and the circulating connecting pipe 420 connects the liquid discharge port 231 and the second liquid inlet 222. The circulating pump 430 is disposed on the circulating connecting pipe 420. The circulating pump 430 is configured to pump the water in the liquid storage member 200 from the liquid discharge port 231 to the second liquid inlet 222, so that the water sequentially passes through the liquid discharge port 231, the liquid discharge pipe, the circulating connecting pipe 420, the second liquid inlet pipe, and enters the liquid storage member 200 from the second liquid inlet 222, so as to enable the water to circulate between the liquid storage member 200 and the circulating connecting pipe 420, that is, to enable the water in the liquid storage member 200 to flow when heated, thereby making the water temperature more uniform.

[0051] Embodiment III

[0052] Please refer to Figure 3 , an embodiment of the present application provides a liquid supply device. The difference between this embodiment and the above-mentioned Embodiment II is that the driving assembly 400 includes the circulating connecting pipe 420, the first valve 440, and the second valve 450 in the above-mentioned Embodiment II. The first valve 440 is disposed on the circulating connecting pipe 420, and the first valve 440 is configured to control the water flow rate in the circulating connecting pipe 420. The second valve 450 is disposed on the liquid extraction connecting pipe 500, and the second valve 450 is configured to control the water flow rate of the liquid extraction connecting pipe 500.

[0053] In some embodiments, the first valve 440 is a solenoid valve. The second valve 450 is a solenoid valve. The liquid extraction pump 900 is configured to pump the water in the liquid storage member 200 from the liquid discharge port 231 to the second liquid inlet 222 or the liquid extraction end, so that the water passes through the liquid discharge port 231, the liquid discharge pipe, the circulating connecting pipe 420, the second liquid inlet pipe, and the first valve 440, and then enters the liquid storage member 200 from the second liquid inlet 222, so as to enable the water to circulate between the liquid storage member 200, the circulating connecting pipe 420, and the first valve 440, thereby making the water temperature more uniform.

[0054] Embodiment IV

[0055] An embodiment of the present application provides a liquid supply system (not shown in the figure), including the liquid supply device in any one of the above-mentioned Embodiments I, II, and III, and thus has all the beneficial effects of the liquid supply device in any one of the above-mentioned embodiments, which will not be elaborated here one by one.

[0056] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0057] Although the embodiments of this application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting this application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of this application.

Claims

1. A liquid supply device, characterized in that: include: A heat insulating member, wherein the heat insulating member has a first accommodating cavity, and the first accommodating cavity has a preset vacuum degree; A liquid storage member, the liquid storage member is arranged in the first accommodating chamber, the liquid storage member is used to store liquid, the liquid storage member comprises an exhaust end and a liquid discharge end which are arranged opposite to each other, the exhaust end is provided with an exhaust port, and the liquid discharge end is provided with a liquid inlet and a liquid discharge port; A heating element, wherein the heating element is disposed in the liquid storage element and is in contact with the liquid; A driving component is connected to the liquid storage component and is used to drive the liquid to flow in the liquid storage component.

2. The liquid supply device according to claim 1, characterized in that: The liquid supply device also includes: A first detection member, the first detection member is disposed in the liquid storage member and located on the liquid discharge end, and the first detection member is used to detect the temperature of the liquid; The second detecting member is disposed in the liquid storage member, and is used to detect the liquid level of the liquid in the liquid storage member.

3. The liquid supply device according to claim 1, characterized in that: The drive assembly comprises: A stirring member is disposed in the liquid storage member, and the stirring member is located at a side of the heating member away from the exhaust port.

4. The liquid supply device according to claim 1, characterized in that: The driving component connects the liquid discharge port and the liquid inlet, and is used to drive the liquid to flow from the liquid discharge port into the liquid inlet, so as to drive the liquid to flow in the liquid storage member.

5. The liquid supply device according to claim 4, characterized in that: The liquid inlet comprises: A first liquid inlet, which is disposed on the liquid discharge end and connected to the filter end; A second liquid inlet is disposed on the exhaust end, the driving component connects the liquid discharge port and the second liquid inlet, and the driving component is used to drive the liquid to be discharged from the liquid storage component from the liquid discharge port and flow into the liquid storage component from the second liquid inlet to drive the liquid to flow in the liquid storage component.

6. The liquid supply device according to claim 5, characterized in that: The drive assembly comprises: a circulation connection pipe, the circulation connection pipe being disposed between the liquid discharge port and the second liquid inlet, and the circulation connection pipe connecting the liquid discharge port and the second liquid inlet; A circulation pump is arranged on the circulation connecting pipe.

7. The liquid supply device according to claim 6, characterized in that: The liquid supply device also includes: A first valve is provided on the circulation connecting pipe, and the first valve is located between the circulation pump and the second liquid inlet.

8. The liquid supply device according to claim 5, characterized in that: A first liquid inlet pipe is provided on the first liquid inlet, which connects the first liquid inlet and the filter end, and the filter end is located on the side of the thermal insulation component away from the first accommodating cavity, and the second liquid inlet is located on the side of the heating component away from the exhaust port.

9. The liquid supply device according to any one of claims 1 to 8, characterized in that: The liquid discharge port is provided with a liquid taking connecting pipe, the liquid taking connecting pipe is provided with a second valve and / or a liquid taking pump, and the liquid supply device further comprises: The liquid collection end, the liquid collection connecting pipe connects the liquid collection end and the liquid discharge port.

10. A liquid supply system, characterized in that: A liquid supply device comprising any one of claims 1-9.

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