CN217659311U - Water drinking equipment - Google Patents

Abstract

The application relates to a water drinking device, which comprises a shell, a liquid storage tank and a heat exchanger. Wherein, the liquid reserve tank is installed in the casing, and the liquid reserve tank is used for storing the coolant liquid, and the heat exchanger is installed in the casing, and is located the top of liquid reserve tank, and the heat exchanger is including cooling tube and the hot water pipeline that can carry out heat exchange, and cooling tube's both ends all communicate with the liquid reserve tank, and the coolant liquid that the liquid reserve tank flows can flow in cooling tube to flow in the liquid reserve tank after carrying out the heat transfer with the hot water in the hot water pipeline. Set up the heat exchanger in the top of liquid reserve tank, make and possess certain difference in height between heat exchanger and the liquid reserve tank, the coolant liquid in the cooling tube can flow back to the liquid reserve tank under the action of gravity in, prevented that the coolant liquid from producing for a long time in the cooling tube and being detained to avoid the inner wall of cooling tube to produce incrustation scale, miscellaneous stain and bacterium, ensured that the heat exchanger can normal use.

Description

Water drinking equipment

Technical Field

The application relates to the technical field of household appliances, in particular to a water drinking device.

Background

Water drinking equipment is provided with heat exchanger and liquid reserve tank usually, and when the user need drink the warm water, the coolant liquid of storing in the liquid reserve tank can flow into in the heat exchanger and carry out the heat transfer with hot water, makes the hot water cooling to supply the user to drink. Among the prior art, when the user stopped the water intaking, there was partial coolant liquid to be detained in the heat exchanger, made the inner wall of heat exchanger produce incrustation scale and miscellaneous stain, still can breed the bacterium for a long time, influences the normal use of heat exchanger.

SUMMERY OF THE UTILITY MODEL

The application provides a drinking water equipment can solve the inner wall of heat exchanger among the prior art and produce incrustation scale and miscellaneous stain easily, leads to breeding the problem of bacterium.

The embodiment of the application provides a drinking water equipment, drinking water equipment includes:

a housing;

the liquid storage tank is arranged on the shell and used for storing cooling liquid;

the heat exchanger is arranged on the shell and is positioned above the liquid storage tank, and the heat exchanger comprises a cooling pipeline and a hot water pipeline which can exchange heat;

the two ends of the cooling pipeline are communicated with the liquid storage tank, and the cooling liquid flowing out of the liquid storage tank can flow into the cooling pipeline and flow into the liquid storage tank after exchanging heat with hot water in the hot water pipeline.

In the above-mentioned scheme, cooling tube's both ends all communicate with the liquid reserve tank, when the user need drink the warm water, the one end inflow cooling tube of cooling tube can be followed to the coolant liquid in the liquid reserve tank, and the hot water in the hot water pipeline with the heat exchanger carries out the heat transfer at the flow in-process, make hydrothermal temperature reduce, so that the user drinks, the coolant liquid after the completion heat transfer process can flow into the liquid reserve tank from the other end of cooling tube in, realize the cyclic utilization of coolant liquid, the utilization ratio of coolant liquid has been improved. Because the heat exchanger is located the top of liquid reserve tank, when the user stops the water intaking, when the heat exchanger work of suspending promptly, coolant liquid in the cooling tube can be under the effect of gravity, in flowing back to the liquid reserve tank downwards along the cooling tube, prevent that the coolant liquid from producing in the cooling tube and being detained, the risk that incrustation scale and miscellaneous stain are produced to the inner wall that has reduced the cooling tube has reduced the bacterial growing in the cooling tube, and then ensures that the heat exchanger can be used for a long time, safely, has prolonged the life of heat exchanger.

This application sets up the heat exchanger in the top of liquid reserve tank, makes to possess certain difference in height between heat exchanger and the liquid reserve tank, and the coolant liquid in the cooling tube can flow back to the liquid reserve tank under the action of gravity in, has prevented that the coolant liquid from producing for a long time in the cooling tube and being detained to avoid the inner wall of cooling tube to produce incrustation scale, miscellaneous stain and bacterium, ensured that the heat exchanger can normal use. In addition, both ends of the cooling pipeline are communicated with the liquid storage tank, so that the cooling liquid can be recycled. And, compare in prior art, the coolant liquid after the heat exchanger heat transfer can flow into heating device in the heating device and heat and supply the user again and drink, the both ends of the cooling tube of this application all communicate with the liquid reserve tank, the coolant liquid circulates between liquid reserve tank and cooling tube and flows, the coolant liquid that can avoid after the heat transfer is heated into hot water and supplies the user again and drinks, user's drinking water is only provided by hot water pipeline, the security of drinking water among the drinking water equipment has been improved, the guarantee user can drink water healthily.

In one possible design, the distance L1 between the bottom of the heat exchanger and the top of the tank is such that: l1 is more than or equal to 5mm and less than or equal to 50mm.

In the above-mentioned scheme, when L1 is too big (for example be greater than 50 mm), when the difference in height of heat exchanger and liquid reserve tank is too big promptly, be difficult to send the coolant liquid in the liquid reserve tank into cooling tube, need choose for use powerful water pump just to guarantee in the coolant liquid in the liquid reserve tank lasts steadily to flow in cooling tube, the cost that leads to drinking water equipment is higher, and when L1 is too big, drinking water equipment's overall height also can increase thereupon, drinking water equipment's volume has been increased, be unfavorable for overall structure's miniaturization. When L1 undersize (for example be less than 5 mm), when the difference in height of heat exchanger and liquid reserve tank was too little promptly, be unfavorable for the coolant liquid after the heat transfer to cool down, in the high temperature coolant liquid after with the hot water heat transfer just can flow into the liquid reserve tank from cooling tube very fast to mix with the coolant liquid in the liquid reserve tank, lead to the coolant liquid temperature rise of not heat transfer in the liquid reserve tank, influence the subsequent heat transfer effect of heat exchanger.

In one possible design, the liquid storage tank is provided with a highest water level line, the highest water level line being at a distance of 5-10% of the height of the liquid storage tank from the top of the liquid storage tank.

In the above-mentioned scheme, the highest water level line is located the one end that is close to the liquid reserve tank top on the liquid reserve tank lateral wall, and when the user was to the interior water injection of liquid reserve tank, it is not higher than the highest water level line to control the liquid level height to guarantee that 5% ~ 10% space in the liquid reserve tank can be used for storing the air, and the air concentrates on the top of liquid reserve tank. When the user stopped the water intaking, the coolant liquid was carried in to the cooling tube to the cooling pump pause, and the coolant liquid in the cooling tube loses drive power, can't follow coolant liquid outlet pipe flow direction liquid reserve tank, and at this moment, the air at liquid reserve tank top can follow the coolant liquid outlet pipe under the pressure effect and flow into the cooling tube, and the coolant liquid in the drive cooling tube flows back to the cooling pump along the coolant liquid inlet tube, avoids the coolant liquid to remain in the cooling tube, has improved the efficiency of coolant liquid backward flow.

In a possible design, the drinking water device further comprises a cooling pump, the cooling pump is communicated with the liquid storage tank and the cooling pipeline, and the cooling pump is installed at one end, far away from the heat exchanger, of the liquid storage tank.

In the scheme, when a user needs to drink warm water, the cooling pump is started, the cooling liquid in the liquid storage tank is pumped into the cooling pump and then conveyed into the cooling pipeline, so that the hot water in the hot water pipeline can be subjected to heat exchange and temperature reduction; when the user stopped the water intaking, the coolant liquid in the liquid reserve tank was stopped to the cooling pump, and at this moment, the coolant liquid that is located the cooling tube loses drive power, can flow back to the cooling pump under the effect of gravity, and then flow back to in the liquid reserve tank. Wherein, the cooling pump is installed in the lateral wall of liquid reserve tank, and is located the liquid reserve tank and keeps away from the one end of heat exchanger for possess certain difference in height between the top of liquid reserve tank and the cooling pump top, the coolant liquid level in the liquid reserve tank is higher than the cooling pump all the time, avoids the air in the cooling pump during operation suction liquid reserve tank, thereby has guaranteed the heat transfer effect of heat exchanger.

In one possible design, the distance L2 between the top of the tank and the top of the cooling pump satisfies: l2 is more than or equal to 20mm and less than or equal to 60mm.

In the above scheme, when L2 is too big (for example, more than 60 mm), when the difference in height of liquid reserve tank and cooling pump is too big promptly, drinking water equipment's overall height also can increase thereupon, has increased drinking water equipment's volume, is unfavorable for overall structure's miniaturization. When L2 is too small (for example, less than 20 mm), the mounted position of cooling pump is too close to the top of liquid reserve tank, and at this moment, the cooling pump is higher than the liquid level of the coolant liquid in the liquid reserve tank, and the air in the liquid reserve tank can be sucked to the cooling pump during operation, leads to carrying the coolant liquid flow in the cooling tube too little, is difficult to reach anticipated heat transfer effect.

In a possible design, the drinking water device further comprises a cooling liquid outlet pipe, and one end of the cooling pipeline, which is far away from the cooling pump, is communicated with the top of the liquid storage tank through the cooling liquid outlet pipe.

In the above scheme, coolant liquid in the cooling pipeline can follow the coolant liquid outlet pipe and flow into the liquid reserve tank after the heat transfer, the coolant liquid outlet pipe communicates with the top of liquid reserve tank, and the coolant liquid outlet pipe is connected with the one end that the cooling pump was kept away from to the liquid reserve tank promptly for high temperature coolant liquid after the heat transfer can with the low-temperature coolant liquid intensive mixing that does not exchange heat after getting into the liquid reserve tank, with the lowering temperature, avoid high temperature coolant liquid to get into the liquid reserve tank after and immediately by the suction of cooling pump, thereby guaranteed the heat transfer effect of heat exchanger.

In a possible design, the hot water pipe includes an inner pipe located inside the cooling pipe, a plurality of inner pipes are arranged in series, and the hot water in the hot water pipe can flow along the inner pipe, so that the coolant in the cooling pipe exchanges heat with the hot water through a pipe wall of the inner pipe.

In the above scheme, many inner tubes all set up along the direction of height of heat exchanger, and two adjacent inner tubes establish ties through the return bend, and this kind of structure has prolonged hot water pipeline's length greatly for hot water in the hot water pipeline can reach better cooling effect with the abundant heat transfer of coolant liquid in the cooling pipe. The inner tube is located cooling tube, and cooling tube can wrap up hot water pipeline's outer wall promptly for coolant liquid in the hot water pipeline can contact with the outer wall of inner tube, thereby fully cools down to the hot water of intraductal.

In one possible design, a refrigeration assembly is further disposed in the liquid storage tank, and the refrigeration assembly comprises a semiconductor refrigeration sheet or a cooling fan.

In the above-mentioned scheme, the high temperature coolant liquid after the heat transfer returns in the cooling tube mixes with the cryogenic cooling liquid in the liquid reserve tank in, can lead to the temperature of the cooling liquid in the liquid reserve tank to rise, sets up the refrigeration subassembly in the liquid reserve tank, can refrigerate the cooling to the cooling liquid after heaing up in the liquid reserve tank for can further cool down from the cooling liquid in the liquid reserve tank inflow cooling tube, thereby improve the heat exchange efficiency of heat exchanger. The refrigerating assembly can realize the refrigerating effect through the semiconductor refrigerating sheet or the cooling fan, and is simple in structure and high in reliability.

In a possible design, the drinking water equipment further comprises a kettle body assembly, the kettle body assembly is installed on the shell and used for heating or storing the hot water, a water outlet is further formed in the shell, two ends of the hot water pipeline are respectively communicated with the kettle body assembly and the water outlet, the hot water in the kettle body assembly can flow into the hot water pipeline and flows into the water outlet after heat exchange is carried out on the cooling liquid in the cooling pipeline.

In the above scheme, kettle body subassembly is used for heating the drinking water into hot water and stores, and kettle body subassembly and delivery port are connected respectively to hot water pipeline's both ends, and when the user need drink the warm water, in hot water in the kettle body subassembly can flow into hot water pipeline from hot water pipeline's one end to carry out the heat transfer at the coolant liquid in the flow in-process and the cooling tube of heat exchanger, the other end inflow delivery port of hot water pipeline can be followed to the hot water after the cooling, and the user drinks from the delivery port water intaking. Through setting up kettle body subassembly, can provide hot water for drinking water equipment, kettle body subassembly and liquid reserve tank are independent each other, can avoid the coolant liquid in the liquid reserve tank to be heated the back supply user and drink.

In a possible design, the drinking water equipment further comprises a coupler, the coupler is installed on the shell and is in plug-in fit with the kettle body assembly, a communicating port is formed in the center of the coupler, and when the kettle body assembly is in plug-in fit with the coupler, the communicating port is used for communicating the kettle body assembly with the hot water pipeline.

In the above scheme, when the kettle body assembly is matched with the coupler in an inserted manner, the coupler can supply power to the kettle body assembly, so that water in the kettle body assembly can be heated into hot water. The casing still includes the hot-water pump, and when the user need drink warm water, the intercommunication mouth at hot water flow direction coupler center in the controlling means control kettle body subassembly, and the hot-water pump is opened simultaneously, and the intraoral hot water of suction intercommunication makes in the hot-water pump, carries hot water to the hot-water line again in, carries out the heat transfer with the coolant liquid in the cooling tube to the user drinks.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

FIG. 1 is a schematic structural diagram of a drinking water device provided in an embodiment of the present application;

FIG. 2 is a cross-sectional view of the drinking device of FIG. 1 taken along direction AA';

FIG. 3 is a schematic view of the flow path of the cooling liquid in the drinking water apparatus;

FIG. 4 is a schematic view of the internal structure of the drinking device in FIG. 1;

FIG. 5 is a schematic view of the flow path of hot water in the water fountain;

FIG. 6 is an enlarged view of portion B of FIG. 2;

FIG. 7 is a schematic view showing an internal structure of a cooling pipe;

fig. 8 is a schematic view of the structure of fig. 4 from another view angle.

Reference numerals:

1-a shell;

11-coolant outlet pipe;

12-a coupler;

121-hot water inlet pipe;

122-a communication port;

13-water outlet;

14-coolant inlet pipe

2-a liquid storage tank;

21-highest water line;

22-a recess;

23-a refrigeration component;

3-a kettle body component;

4-a heat exchanger;

41-a cooling pipe;

411-a separator;

42-hot water pipe;

421-inner tube;

422-bending the pipe;

5-a cooling pump;

6-hot water pump.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The embodiment of the application provides a drinking water device, as shown in fig. 1 and 2, the drinking water device comprises a shell 1, a liquid storage tank 2 and a heat exchanger 4. Wherein, liquid reserve tank 2 is installed in casing 1, and liquid reserve tank 2 is used for storing the coolant liquid, and heat exchanger 4 is installed in casing 1, and is located the top of liquid reserve tank 2, as shown in fig. 3, heat exchanger 4 is including cooling tube 41 and the hot-water line 42 that can carry out heat exchange, and the both ends of cooling tube 41 all communicate with liquid reserve tank 2, and the coolant liquid that liquid reserve tank 2 flows can flow into cooling tube 41 to flow into liquid reserve tank 2 after carrying out the heat exchange with the hot water in the hot-water line 42.

Both ends of cooling tube 41 all communicate with liquid reserve tank 2, when the user needs to drink the warm water, the coolant liquid in the liquid reserve tank 2 can be followed in cooling tube 41's one end inflow cooling tube 41, and the hot water in the hot water pipeline 42 with heat exchanger 4 carries out the heat transfer at the flow in-process, make hydrothermal temperature reduce, so that the user drinks, coolant liquid after the completion heat transfer process can flow into liquid reserve tank 2 from cooling tube 41's the other end, realize the cyclic utilization of coolant liquid, the utilization ratio of coolant liquid has been improved. As shown in fig. 3, because heat exchanger 4 is located the top of liquid reserve tank 2, when the user stopped getting water, when heat exchanger 4 suspended work promptly, the coolant liquid in cooling tube 41 can be under the effect of gravity, along cooling tube 41 downward reflux to liquid reserve tank 2 in, prevent that the coolant liquid from producing in cooling tube 41 and being detained, the risk of incrustation scale and miscellaneous stain has been reduced to the inner wall of cooling tube 41, the bacterial growing in cooling tube 41 has been reduced, and then ensure that heat exchanger 4 can be used for a long time, safely, the life of heat exchanger 4 has been prolonged.

This application sets up heat exchanger 4 in the top of liquid reserve tank 2, makes to possess certain difference in height between heat exchanger 4 and the liquid reserve tank 2, and the coolant liquid in the cooling tube 41 can flow back to in the liquid reserve tank 2 under the action of gravity, has prevented that the coolant liquid from long-term production is detained in cooling tube 41 to avoid the inner wall of cooling tube 41 to produce incrustation scale, miscellaneous stain and bacterium, ensured that heat exchanger 4 can normal use. In addition, the both ends of cooling tube 41 all communicate with liquid reserve tank 2, can realize the used circulation of coolant liquid, and, compare in prior art, coolant liquid after the heat exchanger 4 heat transfer can flow into heating device in the heating user drinks, the both ends of cooling tube 41 of this application all communicate with liquid reserve tank 2, the coolant liquid circulates between liquid reserve tank 2 and cooling tube 41, the coolant liquid after can avoiding the heat transfer is heated into hot water and is supplied with the user again and drink, user's drinking water is only provided by hot water pipeline 42, the security of drinking water among the drinking water equipment has been improved, ensure that the user can healthy drinking water.

Further, as shown in fig. 3, a distance L1 between the bottom of the heat exchanger 4 and the top of the liquid storage tank 2 satisfies: l1 is more than or equal to 5mm and less than or equal to 50mm. Specifically, L1 may be 5mm, 15mm, 30mm, 50mm, or the like.

In this embodiment, when distance L1 between the bottom of heat exchanger 4 and the top of liquid reserve tank 2 is too big (for example, be greater than 50 mm), when heat exchanger 4 and liquid reserve tank 2's difference in height are too big promptly, be difficult to send the coolant liquid in the liquid reserve tank 2 into cooling tube 41, need choose for use powerful water pump just to guarantee that the coolant liquid in the liquid reserve tank 2 continuously flows into in cooling tube 41 steadily, lead to drinking water equipment's cost higher, and when L1 was too big, drinking water equipment's overall height also can increase thereupon, drinking water equipment's volume has been increased, be unfavorable for overall structure's miniaturization. When distance L1 undersize (for example be less than 5 mm) between the bottom of heat exchanger 4 and the top of liquid reserve tank 2, when the difference in height undersize of heat exchanger 4 and liquid reserve tank 2 promptly, be unfavorable for the coolant liquid after the heat transfer to cool down, with the high temperature coolant liquid after the hot water heat transfer just can follow cooling tube 41 very fast and flow into in the liquid reserve tank 2, and mix with the coolant liquid in the liquid reserve tank 2, lead to the coolant liquid temperature rise of not heat transfer in the liquid reserve tank 2, influence the subsequent heat transfer effect of heat exchanger 4.

Therefore, when the distance L1 between the bottom of the heat exchanger 4 and the top of the liquid storage tank 2 is 5 mm-50 mm, the cost of the drinking water equipment can be reduced, the volume of the drinking water equipment can be reduced, and the heat exchange effect of the heat exchanger 4 can be ensured.

In a specific embodiment, as shown in fig. 3, the reservoir 2 is provided with a highest water level line 21, the highest water level line 21 being at a distance of 5% to 10% of the height of the reservoir 2 from the top of the reservoir 2.

In this embodiment, the highest water level line 21 is located the one end that is close to 2 tops of liquid reserve tank on the 2 lateral walls of liquid reserve tank, and the user should control the liquid level height and be not higher than highest water level line 21 when the water injection in to liquid reserve tank 2 to guarantee that 5% ~ 10% space in the liquid reserve tank 2 can be used for storing the air, and the air concentrates on the top of liquid reserve tank 2. When the user stops getting water, cooling pump 5 suspends the interior coolant liquid that carries of cooling pipe 41, the coolant liquid in the cooling pipe 41 loses drive power, can't follow coolant liquid outlet pipe 11 flow direction liquid reserve tank 2, at this moment, the air at 2 tops of liquid reserve tank can flow into cooling pipe 41 along coolant liquid outlet pipe 11 under the pressure effect, the coolant liquid in the drive cooling pipe 41 flows back to cooling pump 5 along coolant liquid inlet tube 14, avoid the coolant liquid to remain in cooling pipe 41, the efficiency of coolant liquid backward flow has been improved.

In a specific embodiment, as shown in fig. 3, the drinking water device further comprises a cooling pump 5, the cooling pump 5 is communicated with the liquid storage tank 2 and a cooling pipeline 41, and the cooling pump 5 is installed at one end of the liquid storage tank 2 far away from the heat exchanger 4.

In this embodiment, as shown in the embodiment of fig. 3, the drinking water device is further provided with a cooling liquid inlet pipe 14, and two ends of the cooling liquid inlet pipe 14 are respectively connected to the cooling pump 5 and the cooling pipeline 41. When a user needs to drink warm water, the cooling pump 5 is started, the cooling liquid in the liquid storage tank 2 is pumped into the cooling pump 5 and then is conveyed into the cooling pipeline 41 through the cooling liquid inlet pipe 14 (the flowing direction of the cooling liquid is shown by an arrow in fig. 3), so that the hot water in the hot water pipeline 42 is subjected to heat exchange and temperature reduction; when the user stopped the water intaking, cooling pump 5 stopped the coolant liquid in the suction liquid reserve tank 2, and at this moment, the coolant liquid that is located cooling tube 41 loses drive power, can flow back to cooling pump 5 along coolant liquid inlet tube 14 under the effect of gravity, and then flow back to in the liquid reserve tank 2. Wherein, cooling pump 5 installs in the lateral wall of liquid reserve tank 2, and is located liquid reserve tank 2 and keeps away from the one end of heat exchanger 4 for possess certain difference in height between the top of liquid reserve tank 2 and the 5 tops of cooling pump, the coolant liquid level in the liquid reserve tank 2 is higher than cooling pump 5 all the time, avoids cooling pump 5 during operation to suction the air in the liquid reserve tank 2, thereby has guaranteed the heat transfer effect of heat exchanger 4.

Specifically, as shown in fig. 4, the outer side wall of the reservoir tank 2 is provided with a recessed portion 22, and the cooling pump 5 is attached to the recessed portion 22, whereby the internal space of the casing 1 is reasonably utilized. In addition, the cooling pump 5 in the present application is a micro centrifugal impeller pump, which has a small volume and occupies a small space, and the volume of the recess 22 can be reduced, thereby ensuring that the volume of the liquid storage tank 2 is sufficiently large. In addition, the miniature centrifugal impeller pump generates less noise when in use, and is more suitable for being used in household drinking equipment.

Further, as shown in fig. 3, a distance L2 between the top of the reservoir tank 2 and the top of the cooling pump 5 satisfies: l2 is more than or equal to 20mm and less than or equal to 60mm. Specifically, L2 may be 20mm, 30mm, 45mm, 60mm, and so forth.

In this embodiment, when the distance L2 between the top of liquid reserve tank 2 and the top of cooling pump 5 is too big (for example, is greater than 60 mm), when the difference in height of liquid reserve tank 2 and cooling pump 5 is too big promptly, the whole height of drinking water equipment also can increase thereupon, has increased drinking water equipment's volume, is unfavorable for overall structure's miniaturization. When the distance L2 between the top of the liquid storage tank 2 and the top of the cooling pump 5 is too small (for example, less than 20 mm), the mounting position of the cooling pump 5 is too close to the top of the liquid storage tank 2, at this time, the cooling pump 5 is higher than the liquid level of the cooling liquid in the liquid storage tank 2, and the air in the liquid storage tank 2 can be sucked by the cooling pump 5 during operation, so that the flow rate of the cooling liquid conveyed into the cooling pipeline 41 is too small, and the expected heat exchange effect is difficult to achieve.

Therefore, when the distance L2 between the top of the liquid storage tank 2 and the top of the cooling pump 5 is 20 mm-60 mm, the volume of the drinking water equipment can be reduced, and the heat exchange effect of the heat exchanger 4 can be ensured.

In a specific embodiment, as shown in fig. 3, the drinking water device further includes a cooling liquid outlet pipe 11, and one end of the cooling pipe 41 far away from the cooling pump 5 is communicated with the top of the liquid storage tank 2 through the cooling liquid outlet pipe 11.

In this embodiment, coolant liquid in the cooling pipe 41 can follow coolant liquid outlet pipe 11 inflow liquid reserve tank 2 after the heat transfer, coolant liquid outlet pipe 11 communicates with the top of liquid reserve tank 2, coolant liquid outlet pipe 11 is connected with the one end that coolant pump 5 was kept away from to liquid reserve tank 2 promptly, make high temperature coolant liquid after the heat transfer get into behind the liquid reserve tank 2 can with the low-temperature coolant liquid intensive mixing that does not exchange heat, in order to reduce the temperature, avoid high temperature coolant liquid to get into behind the liquid reserve tank 2 immediate by the suction of coolant pump 5, thereby the heat transfer effect of heat exchanger 4 has been guaranteed.

In a specific embodiment, as shown in fig. 5 and 6, the hot water pipe 42 includes an inner pipe 421, the inner pipe 421 is located in the cooling pipe 41, a plurality of inner pipes 421 are arranged in series, and the hot water in the hot water pipe 42 can flow along the inner pipe 421, so that the cooling liquid in the cooling pipe 41 exchanges heat with the hot water through the pipe wall of the inner pipe 421.

In this embodiment, the inner pipes 421 are all arranged along the height direction of the heat exchanger 4, and the two adjacent inner pipes 421 are connected in series through the bent pipe 422, so that the length of the hot water pipeline 42 is greatly prolonged, as shown in fig. 5, hot water flows along the arrow direction in the hot water pipeline 42, and the flow path is prolonged, so that the hot water in the hot water pipeline 42 can fully exchange heat with the cooling liquid in the cooling pipeline 42, and a better cooling effect is achieved. The inner pipe 421 is located in the cooling pipe 41, that is, the cooling pipe 41 can wrap the outer wall of the hot water pipe 42, so that the cooling liquid in the hot water pipe 42 can contact with the outer wall of the inner pipe 421, and the hot water in the inner pipe 421 is sufficiently cooled. In addition, as shown in fig. 7, a partition 411 is provided in the cooling duct 41, and the plurality of partitions 411 are spaced apart in the height direction of the cooling duct 41, and guide the flow of the cooling liquid in the cooling duct 41, so that the cooling liquid can flow in an S-shape, and the flow path of the cooling liquid in the cooling duct 41 is extended, so that the cooling liquid can sufficiently exchange heat with the hot water in the hot water duct 42, thereby improving the heat exchange efficiency.

In a specific implementation, as shown in fig. 2, a refrigeration assembly 23 is further disposed in the liquid storage tank 2, and the refrigeration assembly 23 includes a semiconductor refrigeration sheet or a cooling fan.

In this embodiment, the high temperature coolant liquid after the heat transfer returns to the liquid reserve tank 2 in through cooling tube 41 and mixes with the cryogenic cooling liquid in the liquid reserve tank 2, can lead to the temperature of the cooling liquid in the liquid reserve tank 2 to rise, sets up refrigeration subassembly 23 in the liquid reserve tank 2, can refrigerate the cooling to the cooling liquid after the intensification in the liquid reserve tank 2 for the cooling liquid that flows into in cooling tube 41 from the liquid reserve tank 2 can further cool down, thereby improves the heat exchange efficiency of heat exchanger 4. The refrigerating assembly 23 can realize a refrigerating effect through a semiconductor refrigerating sheet or a cooling fan, and is simple in structure and high in reliability.

In a specific embodiment, as shown in fig. 2, the drinking water device further includes a body assembly 3, the body assembly 3 is mounted on the housing 1 and is used for heating or storing the hot water, the housing 1 is further provided with a water outlet 13, two ends of the hot water pipe 42 are respectively communicated with the body assembly 3 and the water outlet 13, the hot water in the body assembly 3 can flow into the hot water pipe 42 and flow into the water outlet 13 after exchanging heat with the cooling liquid in the cooling pipe 41.

In this embodiment, kettle body subassembly 3 is used for heating the drinking water into hot water and stores, kettle body subassembly 3 and delivery port 13 are connected respectively to the both ends of hot water pipeline 42, when the user need drink warm water, hot water in kettle body subassembly 3 can flow into in hot water pipeline 42 from the one end of hot water pipeline 42, and flow the in-process and carry out the heat transfer with the coolant liquid in the cooling tube 41 of heat exchanger 4, the hot water after the cooling can flow into delivery port 13 from the other end of hot water pipeline 42, the user drinks from delivery port 13 water. Through setting up kettle body subassembly 3, can provide hot water for drinking water equipment, kettle body subassembly 3 is independent each other with liquid reserve tank 2, can avoid the coolant liquid in the liquid reserve tank 2 to be heated the back supply user and drink.

In this application, drinking water equipment still is provided with controlling means (not shown in the figure), and controlling means can be according to the drinking water temperature that the user selected, the coolant flow in the control inflow cooling tube 41 for the drinking water that flows from delivery port 13 can be according to user's demand and fall to different temperatures.

In a specific embodiment, as shown in fig. 2 and 8, the drinking water apparatus further includes a coupler 12, the coupler 12 is mounted on the housing 1 and is in plug-in fit with the kettle body assembly 3, a communication opening 122 is formed in the center of the coupler 12, and when the kettle body assembly 3 is in plug-in fit with the coupler 12, the communication opening 122 is used for communicating the kettle body assembly 3 with the hot water pipe 42.

In this embodiment, when the kettle body assembly 3 is inserted into the coupler 12, the coupler 12 can supply power to the kettle body assembly 3, so that water in the kettle body assembly 3 can be heated into hot water. As shown in fig. 2, the housing 1 further includes a hot water inlet pipe 121 and a hot water pump 6, two ends of the hot water inlet pipe 121 are respectively connected to the communication port 122 and the hot water pump 6 in the center of the coupler 12, when a user needs to drink warm water, the control device controls the hot water in the kettle body assembly 3 to flow to the communication port 122, and simultaneously the hot water pump 6 is opened to pump the hot water in the communication port 122, so that the hot water flows into the hot water pump 6 along the hot water inlet pipe 121, and then the hot water is conveyed into the hot water pipeline 42 to exchange heat with the cooling liquid in the cooling pipeline 41, so that the user can drink the water.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A drinking device, characterized in that it comprises:

a housing (1);

the liquid storage tank (2) is arranged on the shell (1), and the liquid storage tank (2) is used for storing cooling liquid;

the heat exchanger (4) is arranged on the shell (1) and is positioned above the liquid storage tank (2), and the heat exchanger (4) comprises a cooling pipeline (41) and a hot water pipeline (42) which can exchange heat;

both ends of cooling pipe (41) all with liquid reserve tank (2) intercommunication, the liquid reserve tank (2) flow out the coolant liquid can flow in cooling pipe (41) to with flow in liquid reserve tank (2) after carrying out the heat transfer with hot water in hot water pipeline (42).

2. The drinking apparatus according to claim 1, wherein the distance L1 between the bottom of the heat exchanger (4) and the top of the tank (2) is such that: l1 is more than or equal to 5mm and less than or equal to 50mm.

3. The drinking apparatus according to claim 1, wherein the tank (2) is provided with a maximum water level line (21), the maximum water level line (21) being at a distance of 5-10% of the height of the tank (2) from the top of the tank (2).

4. The water fountain according to claim 1, further comprising a cooling pump (5), the cooling pump (5) communicating the tank (2) and the cooling conduit (41), the cooling pump (5) being mounted at an end of the tank (2) remote from the heat exchanger (4).

5. Drinking device according to claim 4, characterised in that the distance L2 between the top of the tank (2) and the top of the cooling pump (5) is such that: l2 is more than or equal to 20mm and less than or equal to 60mm.

6. The water drinking apparatus according to claim 4, further comprising a cooling liquid outlet pipe (11), wherein an end of the cooling pipe (41) remote from the cooling pump (5) is communicated with the top of the liquid storage tank (2) through the cooling liquid outlet pipe (11).

7. The drinking apparatus according to claim 1, wherein the hot water conduit (42) comprises an inner tube (421), the inner tube (421) being located within the cooling conduit (41), a plurality of the inner tubes (421) being arranged in series;

the hot water in the hot water pipe (42) can flow along the inner pipe (421) so that the cooling liquid in the cooling pipe (41) exchanges heat with the hot water through the pipe wall of the inner pipe (421).

8. Water dispensing device according to any one of claims 1-7, characterized in that a refrigeration assembly (23) is further arranged in the reservoir (2), said refrigeration assembly (23) comprising a semiconductor refrigeration chip or a cooling fan.

9. The water fountain according to any of claims 1-7, further comprising a body assembly (3), the body assembly (3) being mounted to the housing (1) for heating or storing the hot water;

the water outlet (13) is further formed in the shell (1), two ends of the hot water pipeline (42) are communicated with the kettle body assembly (3) and the water outlet (13) respectively, and hot water in the kettle body assembly (3) can flow into the hot water pipeline (42) and flows into the water outlet (13) after heat exchange is carried out on the cooling liquid in the cooling pipeline (41).

10. The water fountain apparatus according to claim 9, further comprising a coupler (12), wherein the coupler (12) is mounted to the housing (1) and is in bayonet fit with the body assembly (3);

the center of the coupler (12) is provided with a communication port (122), and when the kettle body assembly (3) is matched with the coupler (12) in an inserting mode, the communication port (122) is used for communicating the kettle body assembly (3) with the hot water pipeline (42).

Images