CN218821081U

CN218821081U - Small-sized energy-saving water chiller

Info

Publication number: CN218821081U
Application number: CN202223285406.8U
Authority: CN
Inventors: 敖雪林; 曹阳南; 刘锦
Original assignee: Dongguan Tongyi Plastic Machinery Manufacturing Co ltd
Current assignee: Dongguan Tongyi Plastic Machinery Manufacturing Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-07
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to the technical field of water coolers, in particular to a small energy-saving water cooler, which comprises a cabinet, a refrigerating device and a water circulating device; the refrigerating device is provided with an evaporator assembly, a compressor assembly, a condenser assembly, a drying filter assembly and an expansion valve assembly which are mutually connected through pipelines; the water circulation device is provided with a water storage container, a water return pipeline, a water outlet pipeline and a water pumping assembly which are connected with each other through pipelines; the water storage container is provided with a stabilizing component, and the evaporator component is connected to the stabilizing component and placed inside the water storage container. Connect the coil evaporator through adopting firm subassembly to save welded flow, reduce welding cost, reduced the technical requirement to the workman. Through set up the buckle of appropriate thickness on firm subassembly, strengthen the efficiency of copper pipe and cooling water exchange heat. The coil evaporator moves for a certain interval distance in the water tank through the long round hole of the connecting hole, thereby reducing the condensation of scale.

Description

Small-size energy-conserving cold water machine

Technical Field

The utility model belongs to the technical field of the cold water machine technique and specifically relates to a small-size energy-conserving cold water machine is related to.

Background

The water cooler equipment is called a water cooler for short, and is cooling water equipment capable of providing constant temperature, constant current and constant pressure. The working principle of the water chiller is vapor compression refrigeration, namely, the refrigeration is carried out by utilizing the principle that heat is absorbed when liquid refrigerant is vaporized and heat is released when vapor is condensed. When the liquid refrigerant of the refrigerating system enters the expansion valve for throttling and then is sent into the evaporator, which belongs to the vaporization process, a large amount of heat needs to be absorbed, so that the temperature of the cooled price substance is gradually reduced, and the effects of refrigeration and temperature reduction are achieved.

The evaporators used in the refrigeration system of the water chiller are generally a coil evaporator and a shell-and-tube evaporator, the coil evaporator is commonly used in the small water chiller, and a copper pipe can be coiled into a smaller shape by the coil evaporator due to the generally lower power of the small water chiller, so that the small water chiller can be manufactured.

The coil pipe of traditional coil pipe formula evaporimeter all adopts copper pipe welded fastening, and the welding cost is higher, and welding technical requirement to the workman is also high, still can lead to the clearance undersize between the coil pipe, when exchanging the heat with the refrigerated water in the water tank, leads to rivers not smooth easily to lead to heat exchange efficiency to reduce, the energy consumption loss is too big, is unfavorable for the energy saving.

For a large-sized water chiller, because the coiled evaporator has a large number of coiled copper pipes, the water tank is also very large, and the contact area of the copper pipes and the chilled water is also very large, the area for exchanging heat is large, and the requirement on the specific coiling interval of the copper pipes is not strict. In the small-sized water chiller, the contact area of the copper pipe and the chilled water is smaller, and the area for exchanging heat is also smaller, so that the technical problem that how to coil the copper pipe to further increase the exchange efficiency needs to be considered is solved.

In addition, in long-term use, scale is easy to accumulate on a copper pipe of the coil evaporator, so that the area for exchanging heat is further reduced, and particularly for a small-sized water chiller, the area for exchanging heat is small, so that the power reduction caused by the accumulated scale is very obvious, and the using effect of a client is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A small-sized energy-saving water chiller comprises a cabinet, a refrigerating device and a water circulating device, wherein the refrigerating device is used for refrigerating water in the water circulating device, and the water circulating device is used for conveying the refrigerated cold water to external equipment for use; the refrigerating device is provided with an evaporator assembly, a compressor assembly, a condenser assembly, a drying filter assembly and an expansion valve assembly which are connected with each other through pipelines; the water circulation device is provided with a water storage container, a water return pipeline, a water outlet pipeline and a water pumping assembly which are connected with each other through pipelines; the water storage container is provided with a stabilizing component, the evaporator component is connected to the stabilizing component and placed in the water storage container, and one end of the stabilizing component is connected to a proper position on the inner wall of the water storage container, so that the evaporator component is immersed by liquid in the water storage container.

As a further aspect of the present invention: the one end of firm subassembly is provided with the connecting hole, is provided with the spliced pole on the water storage container inner wall, and connecting hole and spliced pole mutually support and form the buckle and connect to make firm subassembly connect on the water container inner wall.

As a further aspect of the present invention: the connecting hole is in the shape of a long round hole, and the connecting column is connected with the connecting hole in a sliding mode and slides in the long round hole of the connecting hole for a certain intermittent distance, so that the evaporator assembly can move for a certain intermittent distance in the water storage container.

As a further aspect of the present invention: the evaporator assembly is a coiled pipe-shaped evaporator formed by winding a copper pipe in a bending manner, a groove matched and clamped with the copper pipe is formed in the stabilizing assembly, and the evaporator assembly is connected to the stabilizing assembly through the copper pipe in the groove in a clamped manner.

As a further aspect of the present invention: the stabilizing component is provided with a buckle which is positioned between the two grooves, and the thickness of the buckle on the connecting line of the axes of the two grooves is equal to 0.1-0.5 times of the diameter of the copper pipe.

As a further aspect of the present invention: the number of turns of the copper pipe of the evaporator assembly is matched with the power of the water chiller and the volume of the water storage container.

As a further aspect of the present invention: the water storage container is a water tank capable of storing liquid.

As a further aspect of the present invention: the water pumping component is a water pump.

As a further aspect of the present invention: the condenser assembly is an air-cooled condenser or a water-cooled condenser.

As a further aspect of the present invention: the expansion valve component is an electronic expansion valve, a thermal expansion valve or a capillary copper pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

connect the coil evaporator through adopting firm subassembly to can save welded flow, reduce welding cost, reduce the technical requirement to the workman. Still through the buckle that sets up suitable thickness on the subassembly that stabilizes to can let the interval between the copper pipe reach the effect of the most suitable current water chiller power, thereby further strengthen exchanging thermal efficiency between copper pipe and the cooling water. In addition, the connecting hole in the stabilizing assembly is designed to be the long round hole, so that the connecting column on the water tank can move for a certain intermittent distance in the connecting hole, the coiled tube type evaporator can move for a certain intermittent distance in the water tank, condensation of scale can be reduced, reduction of heat exchange capacity cannot be obvious after long-term use, and a heat exchange effect is good.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of a first angle of the present invention;

FIG. 2 is a schematic view of the overall structure of a second embodiment of the present invention;

fig. 3 is a third angle structure diagram of the present invention;

FIG. 4 is a schematic view of the structure of the water container of the present invention;

FIG. 5 is a schematic view of the evaporator assembly and stabilizing assembly of the present invention;

fig. 6 is a schematic structural view of the stabilizing assembly of the present invention.

The reference numerals and names in the figures are as follows:

10 a cabinet; 20 a water circulation device; 21 a water storage container; 22 connecting columns; 23, a water return pipeline; 24 an outlet conduit; 25 a water pumping assembly; 30 a stabilizing assembly; 31 connecting holes; 32 grooves; 33, buckling; 40 a refrigeration device; 41 an evaporator assembly; a 42 coil-like evaporator; 43 a compressor assembly; 44 a condenser assembly; 45 drying the filter assembly; 46 expansion valve assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a small energy-saving water chiller includes a cabinet 10, a refrigeration device 40 and a water circulation device 20, where the refrigeration device 40 is used to refrigerate water in the water circulation device 20, and the water circulation device 20 is used to deliver the refrigerated cold water to an external device; the refrigerating apparatus 40 is provided with an evaporator assembly 41, a compressor assembly 43, a condenser assembly 44, a dry filter assembly 45, and an expansion valve assembly 46 which are pipe-connected to each other; the water circulation device 20 is provided with a water storage container 21, a water return pipeline 23, a water outlet pipeline 24 and a water pumping assembly 25 which are connected with each other through pipelines; the water storage container 21 is provided with a stabilizing assembly 30, the evaporator assembly 41 is connected to the stabilizing assembly 30 and is placed inside the water storage container 21, and one end of the stabilizing assembly 30 is connected to a proper position of the inner wall of the water storage container 21, so that the evaporator assembly 41 is immersed in the liquid in the water storage container 21.

Specifically, the water chiller is a machine commonly used in the industry, and with the continuous development of the traditional industry towards miniaturization and precision miniature factories, the demand of the miniature water chiller is further increased. A micro-factory using a small-sized water chiller is more sensitive to cost control, and thus a small-sized water chiller which is more energy-saving and can reduce the use cost is required. In the operation process of the water chiller, the cold and hot temperature exchange between the evaporator and the cooling water is a very important factor which limits the refrigeration efficiency of the water chiller and influences the use cost of the small water chiller, and because the water tank of the small water chiller is not very large, how to further accelerate the cold and hot temperature exchange between the evaporator and the cooling water in the limited container is more important.

Traditional coil evaporator generally uses the copper pipe welding to reach firm effect between the spiral helicine copper pipe, then inside the copper pipe welding or bolted connection through reserving at the water tank, the welding copper pipe with high costs, welding process requires highly, inconvenient later maintenance. Stabilize the subassembly 30 through setting up and stabilize the coiled tubing evaporimeter, then connect in water storage container 21 through the one end of stabilizing the subassembly 30 to can reduce the use of welding copper pipe, also reduce workman's the operation degree of difficulty.

One end of the stabilizing component 30 is provided with a connecting hole 31, the inner wall of the water storage container 21 is provided with a connecting column 22, the connecting hole 31 and the connecting column 22 are matched with each other to form a buckle 33 for connection, and the stabilizing component 30 is connected to the inner wall of the water outlet container.

Specifically, directly set up the line hole of connecting and spliced pole 22 to can be quick simple install the coil evaporator in the water tank for production efficiency has reduceed the production degree of difficulty and manufacturing cost.

The connection hole 31 is shaped as an elongated circular hole, and the connection post 22 is slidably connected to the connection hole 31 and slides in the elongated circular hole of the connection hole 31 for a certain intermittent distance, so that the evaporator assembly 41 can move for a certain intermittent distance in the water storage container 21. Specifically, because in long-term use, incrustation scale is easily generated on the surface of a copper pipe of the evaporator, and after the long round hole is used, the evaporator can slightly swing for a certain distance under the flushing of return water in the return water pipe 23, so that scaling is not easy to occur, and the reduction of heat exchange capacity caused by scaling after the water cooler is used for a long time is avoided.

Evaporator assembly 41 sets up to the crooked coil pipe form evaporimeter 42 that convolutes of copper pipe, is provided with the recess 32 with copper pipe cooperation joint on the subassembly 30 that stabilizes, thereby evaporator assembly 41 passes through the copper pipe joint and connects on the subassembly 30 that stabilizes in recess 32.

Specifically, the evaporator is formed by spirally bending a copper pipe with a certain diameter, so that the stabilizing component 30 is provided with a groove 32 matched with the diameter of the copper pipe, and the stabilizing component can be better matched with the copper pipe for installation, thereby being capable of rapidly producing in production.

The fixing component 30 is provided with a buckle 33, the buckle 33 is positioned between the two grooves 32, and the thickness of the buckle 33 on the connecting line of the axes of the two grooves 32 is equal to 0.1-0.5 times of the diameter of the copper pipe.

Specifically, the cooling water in the water chiller mainly exchanges heat with water through a copper pipe of the evaporator, so that the water in the water tank is cooled, and the cooling water is obtained. So that the heat exchange between the copper pipe and the water is very important. Particularly in a small-sized water chiller, because the volume of the water storage container 21 is relatively small and the water in the container is relatively less, in order to better cool the water through the copper pipes, a certain intermittent distance is particularly arranged between the copper pipes, so that the water can rapidly flow in the water tank in a circulating way, and the cooling process is accelerated. It has been found that when the distance between the copper pipes is too small, the flow of water is blocked, which is not favorable for cooling water. When the distance between the copper pipes is too large, the water circulation flow is very smooth, but the overall size of the evaporator becomes too large, which is not favorable for the miniaturization of the water chiller. Through research, when the spacing distance between the copper pipes is 0.1-0.5 times of the diameter of the copper pipes, the relative comparison between the cooling efficiency and the overall size of the evaporator meets the production requirement.

The number of turns of the copper pipe of the evaporator assembly 41 is matched with the power of the water chiller and the volume of the water storage container 21. Specifically, the number of turns of the copper pipe of the evaporator can be customized according to the power and the overall size of the water chiller, so that a balance is achieved.

The water storage container 21 is a tank capable of storing liquid. The water pumping assembly 25 is a water pump. The condenser assembly 44 is an air-cooled type condenser or a water-cooled type condenser. The expansion valve assembly 46 is an electronic expansion valve, a thermostatic expansion valve, or a capillary copper tube. Specifically, each component can be optimally selected according to the current production requirement, so that the miniaturized water chiller can save more energy, and the use cost is reduced.

When the cooling water circulation device is used, water is put into the water circulation device 20, refrigerant is put into the refrigerating device 40, the water outlet pipe 24 is connected with an external device using cooling water, and the water return pipe 23 is connected with a cooling water discharge port after the external device is used, so that the cooling water is circulated between the water circulation device 20 and the external device. After the power supply of the water chiller is turned on, the refrigeration device 40 starts to refrigerate, the refrigerant is compressed into high-temperature and high-pressure gas by the compressor assembly 43, then condensed into medium-temperature and high-pressure liquid by the condenser assembly 44, passes through the dry filter assembly 45, enters the expansion valve assembly 46, is released into low-temperature and low-pressure gas, so that the water in the water storage container 21 is refrigerated by the evaporator assembly 41, and finally returns to the compressor again to be compressed. The refrigerated water is changed into cooling water in the water storage container 21, and enters the external equipment from the water outlet pipeline 24 under the pumping power of the pumping assembly 25, so as to cool the part of the external equipment needing to be cooled. The cooled cooling water then enters the water storage container 21 through the water return pipe 23 and is cooled again, and a cycle is formed. In circulation, cooling water can also penetrate through gaps between copper pipes conveniently and quickly, so that the heat exchange process is completed better, and the heat exchange efficiency is improved.

And when cooling water cools off in water storage container 21, what firm subassembly 30 lasted stabilizes evaporator assembly 41, and still under the washing of rivers, slight certain distance that rocks to be difficult to produce the incrustation scale, efficiency reduction after having avoided using small-size cold water machine for a long time. If the evaporator assembly 41 needs to be maintained, the evaporator assembly can be quickly taken down through the clamping connection between the connecting hole 31 of the stabilizing assembly 30 and the connecting column 22 of the water storage container 21, so that the maintenance is quick, the downtime of a factory is reduced, and the production efficiency is increased.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A small-sized energy-saving water chiller comprises a cabinet (10), a refrigerating device (40) and a water circulating device (20), wherein the refrigerating device (40) is used for refrigerating water in the water circulating device (20), and the water circulating device (20) is used for conveying the refrigerated cold water to external equipment for use; characterized in that the refrigerating device (40) is provided with an evaporator assembly (41), a compressor assembly (43), a condenser assembly (44), a dry filter assembly (45) and an expansion valve assembly (46) which are connected with each other through pipelines; the water circulation device (20) is provided with a water storage container (21), a water return pipeline (23), a water outlet pipeline (24) and a water pumping assembly (25) which are connected with each other through pipelines; the water storage container (21) is provided with a stabilizing assembly (30), the evaporator assembly (41) is connected to the stabilizing assembly (30) and placed inside the water storage container (21), and one end of the stabilizing assembly (30) is connected to a proper position on the inner wall of the water storage container (21) so that the evaporator assembly (41) is immersed in the liquid in the water storage container (21).

2. The small-sized energy-saving water chiller according to claim 1 is characterized in that one end of the stabilizing component (30) is provided with a connecting hole (31), the inner wall of the water storage container (21) is provided with a connecting column (22), the connecting hole (31) and the connecting column (22) are mutually matched to form a buckle (33) for connection, and the stabilizing component (30) is connected to the inner wall of the water outlet container.

3. The small energy-saving water chiller according to claim 2 wherein the connecting hole (31) is shaped as an oblong hole, and the connecting column (22) is slidably connected to the connecting hole (31) and slides within the oblong hole of the connecting hole (31) for an intermittent distance, thereby allowing the evaporator assembly (41) to move within the water reservoir (21) for the intermittent distance.

4. The small-sized energy-saving water chiller according to claim 1 is characterized in that the evaporator assembly (41) is a coiled tube evaporator (42) formed by bending and winding a copper tube, a groove (32) matched and clamped with the copper tube is formed in the stabilizing assembly (30), and the evaporator assembly (41) is clamped in the groove (32) through the copper tube so as to be connected to the stabilizing assembly (30).

5. The small-sized energy-saving water chiller according to claim 4 is characterized in that the stabilizing component (30) is provided with a buckle (33), the buckle (33) is positioned between the two grooves (32), and the thickness of the buckle (33) on the axis connecting line of the two grooves (32) is equal to 0.1-0.5 times of the diameter of the copper pipe.

6. A small energy-saving water chiller as claimed in claim 1 wherein the number of copper pipe turns of the evaporator assembly (41) is matched to the power of the chiller and the volume of the water reservoir (21).

7. A small energy-saving cold water machine according to claim 1, characterized in that the water storage container (21) is a tank capable of storing liquid.

8. The small energy-saving water chiller according to claim 1 wherein the water pumping assembly (25) is a water pump.

9. A compact, energy efficient water chiller as claimed in claim 1 wherein the condenser package (44) is either an air cooled condenser or a water cooled condenser.

10. The small energy-saving water chiller according to claim 1 wherein the expansion valve assembly (46) is an electronic expansion valve, a thermostatic expansion valve or a capillary copper tube.