CN210471907U - Heat exchange device and water dispenser - Google Patents

Abstract

The utility model discloses a heat exchange device and water dispenser, wherein, heat exchange device includes the refrigerant coil pipe and the drinking water coil pipe that soak in the water tank, and the refrigerant coil pipe is established in the outside of drinking water coil pipe, has the interval between the adjacent pipeline of refrigerant coil pipe, and the height of interval is 1/3 ~ 2/3 of refrigerant coil pipe external diameter, and the advantage lies in having adjusted refrigerant coil pipe intervascular distance to prevent that the heat exchange from too concentrating, avoid refrigerant coil pipe outward appearance to freeze, thereby guarantee the circulation of heat exchange medium, obtain better refrigeration effect; as preferred, be equipped with a plurality of coil pipe framves on the refrigerant coil pipe, the coil pipe frame is connected by pole setting and many convex pipe braces and is constituteed, props the pipe brace and props between the adjacent pipeline of refrigerant coil pipe for keep the interval between the adjacent pipeline of refrigerant coil pipe, avoid the refrigerant coil pipe to lead to warping at the stress that gravity action and long-term heat exchange produced.

Description

Heat exchange device and water dispenser

Technical Field

The utility model belongs to the technical field of the water dispenser, especially, relate to a heat exchange device and water dispenser.

Background

The water dispenser is a conventional daily electric appliance and is widely applied in many places. The traditional water dispenser generally provides warm water and boiled water, wherein the warm water is used for quenching thirst, and the boiled water is used for brewing drinks such as milk tea, coffee and the like, and can also be used for brewing instant noodles and constant-speed food. With the improvement of living standard, the demand of people is also increasing, for example, in summer, people hope to drink clean and delicious cold water (also called ice water) to relieve summer heat, so that related technicians develop a quick-cooling type water dispenser, the drinking water in a drinking water coil is cooled by a refrigerant coil through a heat exchange medium through a compressor to obtain cold water, and the heat exchange medium is generally water; however, the existing refrigerant coil is too tight in spiral and too concentrated in heat exchange, so that the vicinity of the refrigerant coil can be frozen even under the condition of a stirrer, the heat exchange efficiency is reduced, and the cooling effect of the drinking water coil is not ideal enough and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a heat exchange device that refrigeration effect is good is provided.

The technical scheme adopted by the heat exchange device for solving the technical problems is as follows: a heat exchange device comprises a refrigerant coil and a drinking water coil which are immersed in a water tank, wherein the refrigerant coil is arranged outside the drinking water coil; a space is formed between adjacent pipelines of the refrigerant coil pipe, and the height of the space is 1/3-2/3 of the outer diameter of the pipeline of the refrigerant coil pipe.

Preferably, the refrigerant coil pipe is provided with a plurality of coil pipe frames, each coil pipe frame is formed by connecting an upright rod and a plurality of protruding pipe supporting strips, and each pipe supporting strip is supported between adjacent pipelines of the refrigerant coil pipe; the space between the adjacent pipelines of the refrigerant coil is kept, and the deformation of the refrigerant coil caused by the stress generated by the gravity action and the long-term heat exchange is avoided.

Preferably, the refrigerant coil and the drinking water coil are coiled into rectangular rings, and the length and width directions of the rectangular rings are consistent with those of the water tank; the length of the drinking water coil pipe is lengthened, so that the water outlet quantity of cold water is increased.

Preferably, the outer side of the vertical rod of the coil pipe frame is attached to the inner wall of the water tank; the positioning device is used for positioning the refrigerant coil, avoids the refrigerant coil from being too close to the inner wall of the water tank, reduces the heat exchange efficiency, and simultaneously avoids the serious deformation of the water tank due to heat exchange.

Preferably, the bottom of the water tank is provided with a plurality of refrigerant coil brackets and a plurality of drinking water coil brackets.

As an improvement, a circular shunt cover is arranged between the stirrer and the drinking water coil pipe, and the bottom end of the circular shunt cover is lower than the bottom of the drinking water coil pipe; the heat exchange medium guide device is used for guiding the heat exchange medium at the bottom to rise, promoting the flowing circulation of the heat exchange medium and enabling the temperature of the heat exchange medium in the water tank to be more even.

Compared with the prior art, the heat exchange device has the advantages that the distance between the refrigerant coil pipes is adjusted, so that the heat exchange is prevented from being too concentrated, the freezing of the outer surface of the refrigerant coil is avoided, the circulation of heat exchange media is ensured, and a better refrigeration effect is obtained.

The utility model aims to solve another technical problem of providing a water dispenser with a heat exchange device with good refrigeration effect.

The technical scheme adopted by the water dispenser for solving the technical problems is as follows: a water dispenser comprises the heat exchange device.

As an improvement, a heat insulation box is arranged outside a water tank of the heat exchange device.

Compared with the prior art, the water dispenser has the advantages that the distance between the refrigerant coil pipes is adjusted in the heat exchange device, so that the heat exchange is prevented from being too concentrated, the freezing of the outer surface of the refrigerant coil pipe is avoided, the circulation of a heat exchange medium is ensured, and a better refrigeration effect is obtained.

Drawings

Fig. 1 is an exploded view of the heat exchanger of the present invention.

Fig. 2 is an X-axis cross-sectional view of the heat exchange device of the present invention.

Fig. 3 is a Y-axis cross-sectional view of the heat exchange device of the present invention.

Fig. 4 is a top perspective view of the water tank of the present invention.

Fig. 5 is a bottom perspective view of the tank lid and the agitator of the present invention.

Fig. 6 is a front view of the refrigerant coil pipe and the pipe coiling frame of the present invention.

Fig. 7 is an enlarged schematic structural view of the coil holder of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In this embodiment, as shown in fig. 1 to 3, a heat exchange device of a water dispenser is provided, which includes a water tank 1 shown in fig. 4 and a water tank cover 2 shown in fig. 5, a refrigerant coil 3 and a drinking water coil 4 immersed in the water tank 1 (joints of the coils are not shown, a joint of the refrigerant coil 3 penetrates through the water tank 1, and a joint of the drinking water coil 4 penetrates through the water tank cover 2), and the refrigerant coil 3 is arranged outside the drinking water coil 4; wherein, refrigerant coil pipe 3 adopts thin wall copper pipe or thin wall aluminum pipe, the stable quality of the good coil pipe of processability, and have better heat-conduction performance, there is the interval between refrigerant coil pipe 3's the adjacent pipeline, the height of interval is 1/3 ~ 2/3 of refrigerant coil pipe 3 pipeline external diameter, the setting of interval mainly is decided by drinking water coil pipe 4's the appearance water yield, drinking water coil pipe 4's the appearance water yield is big then the interval is more less, specifically because drinking water coil pipe 4's the appearance water yield is big more, the heat that the drinking water cooling needs the exchange just more. The drinking water coil pipe 4 preferably adopts a thin-wall copper pipe, and copper ions have a sterilization effect and can prevent bacteria from breeding.

Preferably, the bottom of the water tank 1 is provided with a plurality of refrigerant coil brackets 1.1 and a plurality of drinking water coil brackets 1.2, the refrigerant coil brackets 1.1 and the plurality of drinking water coil brackets 1.2 are cross-shaped supports, and the top ends of the cross-shaped supports are provided with a pair of lugs for positioning the coils. The upper end of the tank wall of the water tank 1 is provided with a groove 1.3, the upper end of the tank wall forms a 'back' shape, the bottom end of the water tank cover 2 is provided with a convex edge 2.2, the convex edge 2.2 is enclosed into a 'mouth' shape, the convex edge 2.2 is clamped with the groove 1.3, the inner side of the convex edge 2.2 is an assembly groove, a sealing frame 8 is embedded on the assembly groove, and the sealing frame 8 is sealed with the tank wall of the water tank 1. Be equipped with the level gauge (not shown in the figure) on the water tank lid 2, when heat exchange medium was less in water tank 1, the level gauge sent information to the water dispenser controller, and the controller sends warning information and reminds the user by the warning light, injects heat exchange medium from water filling port 2.1 department on the water tank lid 2, and ordinary water filling port 2.1 department is plugged up by the rubber buffer. The heat exchange medium is usually water, and the water has large specific heat capacity and strong liquidity and is not easy to freeze.

As shown in fig. 6, the refrigerant coil 3 is provided with a plurality of coil frames 5, the coil frames 5 are formed by connecting upright rods 5.1 and a plurality of protruded pipe supporting strips 5.2 as shown in fig. 7, and the pipe supporting strips 5.2 are supported between adjacent pipes of the refrigerant coil 3. Preferably, the free ends of the supporting pipe strips 5.2 in the middle are provided with clamping heads 5.3, the adjacent supporting pipe strips 5.2 clamp the pipeline of the refrigerant coil pipe 3 in the middle, and the pipe coiling frame 5 is not easy to separate from the refrigerant coil pipe 3 after assembly.

In this embodiment, the refrigerant coil 3 and the drinking water coil 4 are both formed into rectangular rings, and the length and width directions of the rectangular rings are consistent with those of the water tank. Correspondingly, 4 refrigerant coil brackets 1.1 and 4 drinking water coil brackets 1.2 are provided; coil pipe support 5 also is one for 4 each sides, and the pole setting 5.1 outside and the 1 inner wall of water tank of coil pipe support 5 are pasted.

For preventing near water of refrigerant coil pipe 3 from freezing, be equipped with agitator 6 in the middle of the tank lid 2, the degree of depth of stirring leaf 6.1 is about 2/3 at drinking water coil pipe 4, be equipped with circular reposition of redundant personnel cover 7 between agitator 6 and drinking water coil pipe 4, circular reposition of redundant personnel cover 7 is connected through many perpendicular muscle by a plurality of interval distribution's ring and is constituted, connecting block 7.1 of circular reposition of redundant personnel cover 7 upper end passes through the fix with screw with the screw post 2.4 of 2 bottoms of tank lid, the bottom of circular reposition of redundant personnel cover 7 is less than drinking water coil pipe 4's bottom. 2 bottoms of tank lid still are equipped with the spacing 2.3 of a plurality of downwardly extending's of drinking water coil pipe, and drinking water coil pipe spacing 2.3 cooperatees with drinking water coil pipe bracket 1.2 and carries on spacingly to drinking water coil pipe 4, prevents that drinking water coil pipe 4 from taking place to rock at the stirring in-process of agitator 6.

In addition, in order to reduce condensation of water drops outside the water tank 1 and avoid short circuit of the circuit board caused by overhigh humidity in the water dispenser, a heat insulation box (not shown in the figure) is arranged outside the water tank 1 of the heat exchange device.

Claims (8)

1. A heat exchange device comprises a refrigerant coil (3) and a drinking water coil (4) which are immersed in a water tank (1), wherein the refrigerant coil (3) is arranged outside the drinking water coil (4); the cooling medium coil pipe is characterized in that a space is formed between adjacent pipelines of the cooling medium coil pipe (3), and the height of the space is 1/3-2/3 of the outer diameter of the pipeline of the cooling medium coil pipe (3).

2. The heat exchange device of claim 1, wherein: refrigerant coil pipe (3) are gone up and are equipped with a plurality of coil pipe support (5), coil pipe support (5) are connected by pole setting (5.1) and many convex pipe strip (5.2) and are formed, prop between refrigerant coil pipe's (3) adjacent pipeline in pipe strip (5.2).

3. The heat exchange device according to claim 1 or 2, wherein: the shape that refrigerant coil pipe (3) and drinking water coil pipe (4) coiled is the rectangular ring, and the length and width direction setting of rectangular ring is unanimous with the water tank.

4. The heat exchange device of claim 2, wherein: the outside of the vertical rod (5.1) of the coil pipe frame (5) is attached to the inner wall of the water tank (1).

5. A unit according to claim 3 in which: the bottom of the water tank (1) is provided with a plurality of refrigerant coil brackets (1.1) and a plurality of drinking water coil brackets (1.2).

6. A unit according to claim 3 in which: a circular flow dividing cover (7) is arranged between the stirrer (6) and the drinking water coil pipe (4), and the bottom end of the circular flow dividing cover (7) is lower than the bottom of the drinking water coil pipe (4).

7. A water dispenser comprising a heat exchange device according to any one of claims 1 to 6.

8. The water dispenser of claim 7, wherein: an insulation box is arranged outside a water tank (1) of the heat exchange device.

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