Heat preservation cold water tank
By designing a multi-layer insulation structure in the cold water tank, including the first and second insulation chambers, the problem of poor insulation effect of the existing cold water tank is solved, and better cold water temperature maintenance and insulation performance are achieved.
Patent Information
- Application Number
- CN202421257347.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The insulation effect of the existing cold water tank is not ideal enough, and it is difficult to effectively maintain the temperature of the cold water.
An insulated cold water tank including a base, an inner liner, a first housing and a second housing are designed. By forming a first insulation cavity between the first shell and the inner liner, a second insulation cavity between the second shell and the first shell, the thermal insulation effect of the multi-layer structure is improved.
The multi-layer insulation structure significantly improves the insulation effect of the cold water tank, ensures that the temperature of the cold water is maintained for a long time, and the insulation performance is further improved by using the cold air to reduce the air temperature of the insulation chamber.
Smart Images
Figure CN222460354U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cold water tanks, in particular to a heat-insulating cold water tank. Background Art
[0002] The cold water tank is provided in a water purifier or the like, and is used to cool stored water and supply the cold water to a user.
[0003] In the prior art, most cold water tanks include a metal inner tank and an outer shell sleeved outside the metal inner tank. The outer shell and the metal inner tank form a double-layer structure, and an insulation cavity is formed between the outer shell and the metal inner tank to insulate the cold water in the metal inner tank. However, the insulation effect still needs to be further improved. Utility Model Content
[0004] The utility model aims to provide a heat-insulating cold water tank, aiming to solve one of the technical problems existing in the prior art.
[0005] To achieve the above-mentioned purpose, an insulated cold water tank is provided in an embodiment of the utility model, comprising a base; an inner tank is arranged on the base; a first outer shell and a second outer shell are sequentially covered on the outer side of the inner tank, and the first outer shell and the second outer shell are both fixed on the base; a first insulation chamber is formed between the first outer shell and the inner tank, and a second insulation chamber is formed between the second outer shell and the first outer shell; a water inlet pipe is passed through the upper end of the inner tank, and the upper end of the water inlet pipe passes through the first outer shell and the second outer shell in sequence; a water outlet pipe is passed through the lower end of the inner tank; an evaporating coil is in the inner tank, and both ends of the evaporating coil extend out of the inner tank; a first air outlet pipe is provided at the upper end of the inner tank, and the first air outlet pipe connects the interior of the inner tank and the first insulation chamber; at least one second air outlet pipe is provided at the lower end of the first outer shell, and the second air outlet pipe connects the first insulation chamber and the second insulation chamber; at least one third air outlet pipe is provided at the upper end of the second outer shell, and the third air outlet pipe connects the second insulation chamber and the outside.
[0006] Optionally, a plurality of supporting feet are evenly arranged on the bottom of the inner container, and the plurality of supporting feet are screwed to the base via a plurality of first bolts.
[0007] Optionally, the first shell has a first lower opening, and a first connecting ring extends outward from the periphery of the first lower opening; the first shell is covered outside the inner tank through the first lower opening, and the first connecting ring is screwed to the base through a plurality of second bolts.
[0008] Optionally, a first sealing ring is provided between the first connecting ring and the base.
[0009] Optionally, the second shell has a second lower opening, and a second connecting ring extends outward from the periphery of the second lower opening; the second shell is covered outside the first shell through the second lower opening, and the second connecting ring is screwed to the base through a plurality of third bolts.
[0010] Optionally, a second sealing ring is provided between the second connecting ring and the base.
[0011] Optionally, a plurality of first positioning columns are provided on the top of the inner tank, a plurality of first positioning holes are penetrated through the top of the first outer shell, and a plurality of first positioning columns are respectively passed through the plurality of first positioning holes; the top surface of the first positioning column is flush with the top wall of the first outer shell, the first positioning column is provided with a first threaded hole, and the first threaded hole is screwed with a first screw.
[0012] Optionally, a plurality of second positioning columns are provided on the top of the first shell, a plurality of second positioning holes are penetrated through the top of the second shell, and the plurality of second positioning columns are respectively passed through the plurality of second positioning holes; the top surface of the second positioning column is flush with the top wall of the second shell, the second positioning column is provided with a second threaded hole, and the second threaded hole is screwed with a second screw.
[0013] Optionally, a drain pipe is provided at the bottom of the inner tank, and the drain pipe passes through the top plate of the base; a valve body is provided in the drain pipe.
[0014] Optionally, the inner wall of the liner is coated with a polypropylene layer.
[0015] Compared with the prior art, the above one or more technical solutions in the thermal insulation cold water tank provided by the embodiment of the utility model have at least one of the following technical effects:
[0016] External water is input into the inner tank through the water inlet pipe, and the water in the inner tank exchanges heat with the refrigerant flowing in the evaporating coil, so that the water in the inner tank is cooled into cold water, and then the cold water is output from the water outlet pipe and supplied to the user. The first insulation chamber and the second insulation chamber have good heat insulation effect, and the cold water in the inner tank is kept warm by the first insulation chamber and the second insulation chamber, which further improves the insulation effect of the cold water tank.
[0017] In addition, when water is input into the inner tank through the water inlet pipe, the cold air in the inner tank needs to be discharged. The existing technology directly discharges the cold air to the outside, resulting in the cold air not being utilized. Therefore, the insulated cold water tank of the present application discharges the cold air into the first insulation cavity through the first air outlet pipe, and the cold air in the first insulation cavity is discharged into the second insulation cavity through the second air outlet pipe, and finally the cold air in the second insulation cavity is discharged to the outside through the third air outlet pipe. The cold air is used to reduce the air temperature of the first insulation cavity and the second insulation cavity, thereby further improving the insulation performance of the cold water tank and achieving good insulation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0019] Figure 1 It is a structural schematic diagram of the thermal insulation cold water tank of the present utility model.
[0020] Figure 2 for Figure 1 Enlarged view of point A in the middle.
[0021] Figure 3 for Figure 1 Enlarged view of point B in the middle.
[0022] Among them, the reference numerals in the figure are:
[0023] 100, base;
[0024] 200, inner tank; 210, water inlet pipe; 220, water outlet pipe; 230, evaporation coil; 240, first air outlet pipe; 250, support foot; 251, first bolt; 260, first positioning column; 261, first threaded hole; 262, first screw; 270, drain pipe;
[0025] 300, first housing; 310, first heat preservation chamber; 320, first connecting ring; 321, second bolt; 330, first sealing ring; 340, second air outlet pipe; 360, first positioning hole; 370, second positioning column; 371, second threaded hole; 372, second screw;
[0026] 400, second shell; 410, second heat preservation chamber; 420, second connecting ring; 421, third bolt; 430, second sealing ring; 440, third air outlet pipe; 470, second positioning hole. DETAILED DESCRIPTION
[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.
[0028] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention 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 therefore cannot be understood as a limitation on the present invention.
[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0030] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.
[0031] In one embodiment of the present invention, referring to Figure 1-Figure 3 , provides a thermal insulation cold water tank, including a base 100.
[0032] Among them, refer to Figure 1 The base 100 is provided with an inner liner 200. The inner liner 200 is covered with a first outer shell 300 and a second outer shell 400 in sequence, and the first outer shell 300 and the second outer shell 400 are both fixed to the base 100. A first heat preservation cavity 310 is formed between the first outer shell 300 and the inner liner 200, and a second heat preservation cavity 410 is formed between the second outer shell 400 and the first outer shell 300.
[0033] Among them, refer to Figure 1 The upper end of the inner tank 200 is provided with a water inlet pipe 210, and the upper end of the water inlet pipe 210 passes through the first shell 300 and the second shell 400 in sequence. The lower end of the inner tank 200 is provided with a water outlet pipe 220. The inner tank 200 includes an evaporating coil 230, and both ends of the evaporating coil 230 extend out of the inner tank 200.
[0034] Among them, refer to Figure 1The upper end of the inner liner 200 is provided with a first air outlet pipe 240, and the first air outlet pipe 240 connects the interior of the inner liner 200 and the first heat preservation chamber 310. The lower end of the first outer shell 300 is provided with at least one second air outlet pipe 340, and the second air outlet pipe 340 connects the first heat preservation chamber 310 and the second heat preservation chamber 410. The upper end of the second outer shell 400 is provided with at least one third air outlet pipe 440, and the third air outlet pipe 440 connects the second heat preservation chamber 410 and the outside.
[0035] Compared with the prior art, the above one or more technical solutions in the thermal insulation cold water tank provided by the embodiment of the utility model have at least one of the following technical effects:
[0036] Reference Figure 1 , external water is input into the inner tank 200 through the water inlet pipe 210, and the water in the inner tank 200 exchanges heat with the refrigerant flowing in the evaporating coil 230, so that the water in the inner tank 200 is cooled into cold water, and then the cold water is output from the water outlet pipe 220 and supplied to the user. The first heat preservation chamber 310 and the second heat preservation chamber 410 have good heat insulation effect, and the cold water in the inner tank 200 is kept warm by the first heat preservation chamber 310 and the second heat preservation chamber 410, which further improves the heat preservation effect of the cold water tank.
[0037] Also, refer to Figure 1 When water is input into the inner tank 200 through the water inlet pipe 210, the cold air in the inner tank 200 needs to be discharged. The existing technology directly discharges the cold air to the outside, resulting in the cold air not being utilized. Therefore, the insulated cold water tank of the present application discharges the cold air into the first insulation chamber 310 through the first air outlet pipe 240, and the cold air in the first insulation chamber 310 is discharged into the second insulation chamber 410 through the second air outlet pipe 340. Finally, the cold air in the second insulation chamber 410 is discharged to the outside through the third air outlet pipe 440. The cold air is used to reduce the air temperature of the first insulation chamber 310 and the second insulation chamber 410, thereby further improving the insulation performance of the cold water tank and achieving a good insulation effect.
[0038] Among them, a solenoid valve (not shown) can be provided in the third air outlet pipe 440. When it is necessary to exhaust air to the outside through the third air outlet pipe 440, the solenoid valve is opened to open the third air outlet pipe 440, otherwise the solenoid valve is closed to close the third air outlet pipe 440.
[0039] Further, refer to Figure 1 A plurality of supporting legs 250 are evenly arranged at the bottom of the inner liner 200 , and the plurality of supporting legs 250 are screwed to the base 100 through a plurality of first bolts 251 , which has a simple structure and is convenient for disassembling and assembling the inner liner 200 .
[0040] In another embodiment of the present invention, referring to Figure 1 and Figure 3The first housing 300 has a first lower opening, and a first connecting ring 320 extends outward from the periphery of the first lower opening. The first housing 300 is disposed outside the inner liner 200 through the first lower opening, and the first connecting ring 320 is screwed to the base 100 through a plurality of second bolts 321. The structure is simple and the first housing 300 is convenient to disassemble and assemble.
[0041] Further, refer to Figure 1 and Figure 3 A first sealing ring 330 is provided between the first connecting ring 320 and the base 100 , and the first sealing ring 330 improves the sealing between the first connecting ring 320 and the base 100 , thereby improving the sealing of the first heat preservation chamber 310 .
[0042] In another embodiment of the present invention, referring to Figure 1 and Figure 3 The second housing 400 has a second lower opening, and a second connecting ring 420 extends outward from the periphery of the second lower opening. The second housing 400 is disposed outside the first housing 300 through the second lower opening, and the second connecting ring 420 is screwed to the base 100 through a plurality of third bolts 421. The structure is simple, and the second housing 400 is convenient to disassemble and assemble.
[0043] Further, refer to Figure 1 and Figure 3 A second sealing ring 430 is provided between the second connecting ring 420 and the base 100 , and the second sealing ring 430 improves the sealing between the second connecting ring 420 and the base 100 , thereby improving the sealing of the second heat preservation chamber 410 .
[0044] Among them, refer to Figure 1 and Figure 3 The material of the first sealing ring 330 and the second sealing ring 430 can be silicone, rubber or latex, etc., and the sealing effect is good.
[0045] In another embodiment of the present invention, referring to Figure 1 and Figure 2 The top of the inner liner 200 is provided with a plurality of first positioning columns 260, and the top of the first outer shell 300 is penetrated with a plurality of first positioning holes 360, and the plurality of first positioning columns 260 are respectively penetrated in the plurality of first positioning holes 360. The first outer shell 300 and the inner liner 200 are positioned and installed through the first positioning columns 260 and the first positioning holes 360. The top surface of the first positioning column 260 is flush with the top wall of the first outer shell 300, and the first positioning column 260 is provided with a first threaded hole 261, and the first threaded hole 261 is screwed with a first screw 262, and the first outer shell 300 and the inner liner 200 are fixedly connected through the first screw 262, and the structure is stable.
[0046] Further, refer to Figure 1 and Figure 2 The top of the first housing 300 is provided with a plurality of second positioning columns 370, and the top of the second housing 400 is provided with a plurality of second positioning holes 470, and the plurality of second positioning columns 370 are respectively provided in the plurality of second positioning holes 470. The second housing 400 is positioned and installed with the first housing 300 through the second positioning columns 370 and the second positioning holes 470. The top surface of the second positioning column 370 is flush with the top wall of the second housing 400, and the second positioning column 370 is provided with a second threaded hole 371, and the second threaded hole 371 is screwed with a second screw 372, and the second housing 400 is fixedly connected with the first housing 300 through the second screw 372, and the structure is stable.
[0047] Further, refer to Figure 1 The bottom of the inner container 200 is provided with a drain pipe 270, and the drain pipe 270 passes through the top plate of the base 100. A valve body (not shown) is provided in the drain pipe 270. The drain pipe 270 is used for draining. When the inner container 200 is used for a period of time, most of the dirt generated in the inner container 200 is deposited at the bottom of the inner container 200. The user can open the drain pipe 270 through the valve body to discharge the dirt from the drain pipe 270. After the dirt is discharged, the drain pipe 270 is closed by the valve body.
[0048] Further, refer to Figure 1 The inner wall of the inner liner 200 is coated with a polypropylene layer, which makes the inner liner 200 acid-base resistant, corrosion-resistant, and not easy to get scale on the inner wall of the inner liner 200, as well as clean and hygienic.
[0049] Among them, refer to Figure 1 The evaporation coil 230 is used for the refrigerant to flow therein, and the water stored in the inner tank 200 can be cooled into cold water by heat exchange with the refrigerant flowing in the evaporation coil 230. The evaporation coil 230 is a mature prior art, such as a coil evaporator, etc., and will not be described in detail here.
[0050] Among them, refer to Figure 1 The materials of the inner shell 200, the first shell 300 and the second shell 400 can all be metal.
[0051] The rest of this embodiment is the same as the first embodiment. The features not explained in this embodiment are all based on the explanations in the first embodiment and will not be described in detail here.
[0052] The above content is a further detailed description of the utility model in combination with specific preferred implementation methods, and it cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, its architecture can be flexible and can derive a series of products. Just making a few simple deductions or substitutions should be regarded as belonging to the patent protection scope of the utility model determined by the submitted claims.
Claims
1. A heat preservation cold water tank, comprising a base; an inner tank is arranged on the base; characterized in that: The inner tank is covered with a first outer shell and a second outer shell in sequence, and the first outer shell and the second outer shell are both fixed on the base; a first heat-insulating chamber is formed between the first outer shell and the inner tank, and a second heat-insulating chamber is formed between the second outer shell and the first outer shell; a water inlet pipe is passed through the upper end of the inner tank, and the upper ends of the water inlet pipe pass through the first outer shell and the second outer shell in sequence; a water outlet pipe is passed through the lower end of the inner tank; an evaporating coil is provided in the inner tank, and both ends of the evaporating coil extend out of the inner tank; a first air outlet pipe is provided at the upper end of the inner tank, and the first air outlet pipe connects the interior of the inner tank and the first heat-insulating chamber; at least one second air outlet pipe is provided at the lower end of the first outer shell, and the second air outlet pipe connects the first heat-insulating chamber and the second heat-insulating chamber; at least one third air outlet pipe is provided at the upper end of the second outer shell, and the third air outlet pipe connects the second heat-insulating chamber and the outside.
2. The heat preservation cold water tank according to claim 1, characterized in that: A plurality of supporting feet are evenly arranged on the bottom of the inner container, and the plurality of supporting feet are screwed to the base through a plurality of first bolts.
3. The heat preservation cold water tank according to claim 1, characterized in that: The first shell has a first lower opening, and a first connecting ring extends outward from the periphery of the first lower opening; the first shell is covered outside the inner tank through the first lower opening, and the first connecting ring is screwed to the base through a plurality of second bolts.
4. The heat preservation cold water tank according to claim 3, characterized in that: A first sealing ring is provided between the first connecting ring and the base.
5. The heat preservation cold water tank according to claim 1, characterized in that: The second shell has a second lower opening, and a second connecting ring extends outward from the periphery of the second lower opening; the second shell is covered outside the first shell through the second lower opening, and the second connecting ring is screwed to the base through a plurality of third bolts.
6. The heat preservation cold water tank according to claim 5, characterized in that: A second sealing ring is provided between the second connecting ring and the base.
7. The thermal insulation cold water tank according to any one of claims 1 to 6, characterized in that: A plurality of first positioning columns are provided on the top of the inner tank, a plurality of first positioning holes are penetrated through the top of the first outer shell, and the plurality of first positioning columns are respectively penetrated through the plurality of first positioning holes; the top surface of the first positioning column is flush with the top wall of the first outer shell, the first positioning column is provided with a first threaded hole, and the first threaded hole is screwed with a first screw.
8. The thermal insulation cold water tank according to any one of claims 1 to 6, characterized in that: A plurality of second positioning columns are provided on the top of the first shell, a plurality of second positioning holes are penetrated through the top of the second shell, and the plurality of second positioning columns are respectively penetrated through the plurality of second positioning holes; the top surface of the second positioning column is flush with the top wall of the second shell, the second positioning column is provided with a second threaded hole, and the second threaded hole is screwed with a second screw.
9. The thermal insulation cold water tank according to any one of claims 1 to 6, characterized in that: A drain pipe is provided at the bottom of the inner container, and the drain pipe passes through the top plate of the base; a valve body is provided in the drain pipe.
10. The thermal insulation cold water tank according to any one of claims 1 to 6, characterized in that: The inner wall of the liner is coated with a polypropylene layer.