CN222912009U

CN222912009U - Water chilling unit

Info

Publication number: CN222912009U
Application number: CN202421795506.1U
Authority: CN
Inventors: 李军成; 付俭俭
Original assignee: Shenzhen Envicool Technology Co Ltd
Current assignee: Shenzhen Envicool Technology Co Ltd
Priority date: 2024-07-26
Filing date: 2024-07-26
Publication date: 2025-05-27
Anticipated expiration: 2034-07-26

Abstract

The application relates to the technical field of heat dissipation, in particular to a water chilling unit, which comprises a shell, a refrigerating system and a water system, wherein the shell is provided with a containing cavity, the refrigerating system and the water system are both arranged in the containing cavity, the refrigerating system comprises a compressor, the water system comprises a water pump assembly, an expansion tank and a heat exchanger assembly, the water pump assembly, the expansion tank and the compressor are sequentially arranged in the containing cavity along the length direction of the shell, and the heat exchanger assembly is arranged on two sides of the expansion tank along the width direction of the shell. According to the technical scheme, the space layout of the water pump assembly, the expansion tank, the compressor and the heat exchanger assembly in the shell is optimized, so that the space utilization rate of the accommodating cavity in the shell is improved, the pipeline structure of the system is simplified, and the production cost of the water chilling unit is reduced.

Description

Water chilling unit

Technical Field

The utility model relates to the technical field of heat dissipation, in particular to a water chilling unit.

Background

The water chilling unit is generally applied to heating equipment in cabinets, containers and the like for heat dissipation, and is of a whole casing box structure, attractive in appearance, compact in structure and convenient for checking the running condition of the unit at any time.

In the process of implementing the present utility model, the inventor finds that at least the following problems exist in the prior art:

Most of the water chilling units are in a thin and high-version plug-in frame form, and the structural design enables the water chilling units to cause unnecessary space waste in the height direction.

Disclosure of utility model

The application provides a water chiller, which aims to improve the technical problems mentioned in the background art.

In a first aspect, an embodiment of the present application provides a water chiller, including a housing, a refrigeration system, and a water system, where the housing is provided with a receiving cavity, and both the refrigeration system and the water system are disposed in the receiving cavity;

The refrigerating system comprises a compressor, the water system comprises a water pump assembly, an expansion tank and a heat exchanger assembly, the water pump assembly, the expansion tank and the compressor are sequentially arranged in the accommodating cavity along the length direction of the shell, the heat exchanger assembly is arranged on two sides of the expansion tank along the width direction of the shell.

In some embodiments, the water pump assembly includes a first water pump and a second water pump, the first water pump and the second water pump being arranged along a width direction of the housing, and/or,

The heat exchanger assembly comprises a first heat exchanger and a second heat exchanger, and the first heat exchanger and the second heat exchanger are respectively arranged on two opposite sides of the expansion tank along the width direction of the shell.

In some embodiments, the water system further comprises a heater disposed below the expansion tank.

In some embodiments, the first heat exchanger is a water-fluorine plate heat exchanger, the second heat exchanger is a water-fluorine plate heat exchanger, the water-fluorine plate heat exchanger is disposed on one side of the expansion tank close to the first water pump, the water-fluorine plate heat exchanger is disposed on one side of the expansion tank close to the second water pump, and the first water pump, the water-fluorine plate heat exchanger, the heater and the water-fluorine plate heat exchanger are sequentially connected through pipes.

In some embodiments, the water system further comprises a dry cooler disposed at an end of the compressor remote from the expansion tank.

In some embodiments, the water system further comprises a regulating valve disposed on a side of the dry cooler adjacent to the second heat exchanger, and the second water pump, the dry cooler, the regulating valve, and the second heat exchanger are sequentially connected through a pipeline.

In some embodiments, the refrigeration system further comprises a condenser disposed on a side of the dry cooler facing away from the compressor.

In some embodiments, the refrigeration system further comprises a fan disposed on a side of the condenser facing away from the dry cooler.

In some embodiments, one end of the shell in the length direction is provided with a vent opening facing the fan, the other end is provided with a water inlet and a water outlet, the water inlet is connected with the first water pump and/or the second water pump, and the water outlet is connected with the second heat exchanger.

In some embodiments, the water chiller further comprises an electrical control box disposed on a side of the first heat exchanger or the second heat exchanger remote from the expansion tank.

Compared with the prior art, the technical scheme has at least the following technical effects:

According to the technical scheme, the water pump assembly, the expansion tank and the compressor are arranged in the accommodating cavity of the shell along the length direction of the shell, so that the space occupation ratio of the water chilling unit in the height direction is greatly reduced. And through optimizing the spatial layout of the water pump assembly, the compressor, the expansion tank and the heat exchanger assembly in the length direction of the shell, the space utilization rate of the accommodating cavity in the shell is improved, the pipeline structure of the water system is simplified, and the production cost of the water chilling unit is reduced.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of a chiller according to an embodiment of the present application;

FIG. 2 is an exploded view of FIG. 1;

The water system of fig. 1 is schematically shown in fig. 3.

Reference numerals:

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	Water chilling unit	110	Shell body
110a	Accommodating cavity	1111	First water inlet (Water inlet)
				1112	First water outlet (Water outlet)	1121	Second water inlet (Water inlet)
1122	Second water outlet (Water outlet)	113	Vent opening
				121	Blower fan	122	Compressor with a compressor body having a rotor with a rotor shaft
123	Condenser	124	Expansion tank
				130	Water pump assembly	131	First water pump
132	Second water pump	140	Heat exchanger assembly
				141	First heat exchanger	142	Second heat exchanger
150	Heater	160	Regulating valve
				170	Dry cooling device	180	Electric control box

Detailed Description

For a better understanding of the technical solution of the present utility model, the following detailed description of the embodiments of the present utility model refers to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in 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 an association relationship describing the associated object, and means that there may be three relationships, e.g., a and/or B, and that there may be three cases where a exists alone, while a and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the present utility model, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or connected between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Most of existing water chilling units are in a thin high-version plug-in frame form, and the structural design enables the water chilling units to cause unnecessary space waste in the height direction.

In order to solve the above technical problems, an embodiment of the present application provides a water chiller 100.

For convenience of description, a length direction of the water chiller 100 is defined as an X-axis direction, a width direction of the water chiller 100 is defined as a Y-axis direction, and a height direction of the water chiller 100 is defined as a Z-axis direction. The X-axis direction, the Y-axis direction and the Z-axis direction are perpendicular to each other.

The terms of directions such as "up", "down", "top", "bottom", "left", "right", "front" and "rear" used in describing the water chiller 100 according to the embodiment of the present application are mainly described according to the display directions of the water chiller 100 in fig. 1, and do not limit the directions of the water chiller 100 in practical application scenarios, where the directions are "top", "up", the directions are "bottom", "down", the directions are "front" and the directions are "rear", the directions are "left", and the directions are "right", respectively.

Referring to fig. 1, 2 and 3, in an embodiment of the present application, the water chiller 100 includes a housing 110, a refrigeration system and a water system, wherein the housing 110 is provided with a receiving chamber 110a, the refrigeration system and the water system are both disposed in the receiving chamber 110a, the refrigeration system includes a compressor 122, the water system includes a water pump assembly 130, an expansion tank 124 and a heat exchanger assembly 140, the water pump assembly 130, the expansion tank 124 and the compressor 122 are sequentially disposed in the receiving chamber 110a along a length direction of the housing 110, and the heat exchanger assembly 140 is disposed on opposite sides of the expansion tank 124 along a width direction of the housing 110.

In the embodiment of the present application, the housing 110 includes a case and a cover plate, the accommodating cavity 110a is formed in the case, the cover plate is covered on the upper end of the case, and the cover plate is detachably connected with the case, so as to facilitate subsequent maintenance of each component in the accommodating cavity 110 a.

In the embodiment of the application, the refrigerating system and the water system are respectively communicated with the refrigerating medium, wherein the refrigerating medium in the refrigerating system is usually an air conditioner common refrigerant, such as Freon, and the refrigerating medium in the water system is usually water, ethanol, an ethanol-water mixture and the like.

In the application process, the refrigeration system is used for exchanging heat with the water system through the heat exchange component 140, and the water system is used for exchanging heat with the client, so that the temperature of the client is regulated.

According to the technical scheme of the application, the water pump assembly 130, the expansion tank 124 and the compressor 122 are arranged in the accommodating cavity 110a of the shell 110 along the length direction of the shell 110, so that the space occupation ratio of the water chilling unit 100 in the height direction is greatly reduced. And by optimizing the spatial layout of the water pump assembly 130, the compressor 122, the expansion tank 124 and the heat exchanger assembly 140 in the length direction of the shell 110, the space utilization rate of the accommodating cavity 110a in the shell 110 is improved, the pipeline structure of the water system is simplified, and the production cost of the water chilling unit 100 is reduced.

Referring to fig. 1, in the embodiment of the application, the refrigeration system further includes a condenser 123 and a fan 121, the condenser 123 divides the accommodating cavity 110a into a first chamber and a second chamber, the first chamber and the second chamber are sequentially arranged, the water system and the compressor 122 are both located in the first chamber, and the fan 121 is located in the second chamber.

With continued reference to fig. 1, in an embodiment of the present application, a vent 113 facing the fan 121 is disposed at a rear end of the housing 110, a water inlet 1111 (1121) and a water outlet 1112 (1122) are disposed at a front end of the housing 110, the water inlet 1111 (1121) is connected to the water pump assembly 130, and the water outlet 1112 (1122) is connected to the heat exchanger assembly 140.

In the embodiments of the present application, the water system may be a single system or a dual system, and the embodiments of the present application are further described below by taking the dual system as an example.

Referring to fig. 3, in an embodiment, the water pump assembly 130 includes a first water pump 131 and a second water pump 132, the heat exchanger assembly 140 includes a first heat exchanger 141 and a second heat exchanger 142, the thickness direction of the first heat exchanger 141 and the second heat exchanger 142 is the Y-axis direction, and the water system includes a first system and a second system, wherein the first system is formed by connecting at least the expansion tank 124, the first water pump 131, the first heat exchanger 141 and the second heat exchanger 142 through pipes, and the second system is formed by connecting at least the expansion tank 124, the second water pump 132 and the second heat exchanger 142 through pipes. An operator can selectively start or connect the first system and the second system in series/parallel according to the refrigeration requirement of the client.

Referring to fig. 1, in the above embodiment, the water inlet 1111 (1121) includes a first water inlet 1111 and a second water inlet 1121, the water outlet 1112 (1122) includes a first water outlet 1112 and a second water outlet 1122, the first water inlet 1111 is connected to the inlet end of the first water pump 131 through a pipe, the first water outlet 1112 is connected to the outlet end of the second heat exchanger 142 through a pipe, the second water inlet 1121 is connected to the inlet end of the second water pump 132, and the second water outlet 1122 is connected to the outlet end of the second heat exchanger 142.

The first heat exchanger 141 has a water cooling passage and a condensing passage that are adjacently disposed, the water cooling passage being communicated with the refrigerating system, and the condensing passage being communicated with other components in the water system. Specifically, in the first system, both ends of the water cooling passage of the first heat exchanger 141 are respectively communicated with the outlet of the first water pump 131 and the inlet of the heater 150 through pipes.

The refrigeration system further comprises an electronic expansion valve, the condensation channel of the first heat exchanger 141, the compressor 122, the condenser 123 and the electronic expansion valve are sequentially connected to form a refrigeration loop, the refrigerating medium in the refrigeration system circulates in the refrigeration loop, and when the refrigerating medium flows to the condensation channel of the first heat exchanger 141, the refrigerating medium exchanges heat with the refrigerating medium flowing through the water cooling channel in the first system.

The second heat exchanger 142 has a first water cooling channel and a second water cooling channel, wherein an inlet and an outlet of the first water cooling channel are respectively communicated with an outlet of the water cooling channel of the first heat exchanger 141 and the first water outlet 1112, and an inlet and an outlet of the second water cooling channel are respectively communicated with an outlet of the second water pump 132 and the second water outlet 1122.

In the above embodiment, the first water pump 131 and the second water pump 132 are arranged along the width direction of the housing 110, and the first heat exchanger 141 and the second heat exchanger 142 are respectively disposed on two opposite sides of the expansion tank 124 along the width direction of the housing 110. In detail, the first water pump 131 is located at the right side of the second water pump 132, the first heat exchanger 141 is correspondingly disposed at the right side of the expansion tank 124, and the second heat exchanger 142 is correspondingly disposed at the left side of the expansion tank 124. The arrangement of the first and second systems advantageously reduces the occurrence of corners in the conduits connecting the components of the first and second systems, thereby reducing the flow resistance of the coolant in the first and second systems, and at the same time, reduces the length of the conduits connecting the components of the first and second systems, thereby reducing the manufacturing cost of the chiller 100.

Referring to fig. 3, in the above embodiment, in more detail, the inlet end of the first water pump 131 is disposed at the right end of the first water pump 131, the inlet end of the second water pump 132 is disposed at the left end of the second water pump 132, the first water inlet 1111 is disposed at the right end of the front side of the housing 110, and the second water inlet 1121 is disposed at the left end of the front side of the housing 110.

In the above embodiment, the specific types of the first heat exchanger 141 and the second heat exchanger 142 may be selected according to the application requirements. In a specific embodiment, the first heat exchanger 141 is a water-fluorine plate heat exchanger, and the second heat exchanger 142 is a water-water plate heat exchanger, which is further described below as an example of the present application.

Referring to fig. 2 and 3, in one embodiment, the first system further includes a heater 150, and the heater 150 is disposed below the expansion tank 124.

Specifically, the expansion tank 124 is disposed transversely in the first chamber, the placement height of the expansion tank 124 is higher than that of the water pump assembly 130, the heater 150 is located behind the water pump assembly 130, the inlet of the heater 150 is disposed at the right end of the heater 150, and the outlet of the heater 150 is disposed at the left end of the heater 150.

In the above embodiment, the inlet and outlet of the heater 150 are respectively connected to the outlet of the front end of the water cooling passage of the water fluorine plate heat exchanger 141 and the inlet of the front end of the first passage of the water plate heat exchanger 142 through pipes. In operation, the heater 150 may be selectively turned on and off according to the cooling or heating requirements, for example, the heater 150 may be turned off when the client needs to dissipate heat, and the heater 150 may be turned on when the client needs to be properly warmed in a cold environment.

In the above embodiment, the primary flow path of the coolant in the first system is as follows, the first water inlet 1111, the first water pump 131, the water cooling channel of the water-fluorine plate heat exchanger 141, the heater 150, the first water cooling channel of the water-water plate heat exchanger 142, and the first water outlet 1112.

Referring to fig. 1 and 3, in one embodiment, the second system further includes a dry cooler 170, the dry cooler 170 being disposed at an end of the compressor 122 remote from the expansion tank 124. Specifically, the dry cooler 170 is disposed in front of the condenser 123, and the dry cooler 170 and the condenser 123 are disposed side by side along the length direction of the housing 110. The inlet and outlet of the dry cooler 170 are connected to the outlet of the second water pump 132 and the inlet of the second water cooling passage of the water plate heat exchanger 142, respectively.

Referring to fig. 2 and 3, the second system further includes a regulating valve 160 for regulating the flow of coolant in the second system. Specifically, the regulating valve 160 is a two-way valve, the two-way valve 160 is disposed on one side of the dry cooler 170 near the water-water plate heat exchanger 142, that is, the two-way valve 160 is disposed in front of the dry cooler 170, the second water pump 132, the dry cooler 170, the regulating valve 160 and the water-water plate heat exchanger 142 are sequentially connected through pipes, and a main circulation path of the secondary refrigerant in the second system is as follows, a second water inlet 1121→a second water pump 132→the dry cooler 170→the two-way valve→a second water cooling channel of the water-water plate heat exchanger 142→a second water outlet 1122.

Referring to fig. 1 and 2, in an embodiment of the present application, the water chiller 100 further includes an electric control box 180, and the electric control box 180 is disposed on a side of the water-fluorine plate heat exchanger 141 or the water-water plate heat exchanger 142 away from the expansion tank 124. Preferably, the electronic control box 180 is disposed at the right side of the water fluorine plate heat exchanger 141. This arrangement makes the layout of the connector lug of the electronic control box 180 more convenient.

By reasonably arranging the water system, the refrigeration system and the electric control box 180 in the limited space in the shell 110, the embodiment of the application not only ensures that the whole space of the water chilling unit 100 occupies smaller space, but also ensures that the pipeline system of each component in the water system of the water chilling unit 100 is simpler and the number of the corners of the pipeline is smaller, thereby reducing the flow resistance of the refrigerating medium in the water system and reducing the production cost of the water chilling unit 100.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A chiller, characterized in that it comprises a shell, a refrigeration system and a water system, wherein the shell is provided with a containing cavity, and the refrigeration system and the water system are both arranged in the containing cavity;

The refrigeration system includes a compressor, and the water system includes a water pump assembly, an expansion tank and a heat exchanger assembly. The water pump assembly, the expansion tank and the compressor are sequentially arranged in the accommodating cavity along the length direction of the shell, and the heat exchanger assembly is arranged on both sides of the expansion tank along the width direction of the shell.

2. The chiller according to claim 1, characterized in that the water pump assembly comprises a first water pump and a second water pump, the first water pump and the second water pump are arranged along the width direction of the shell; and/or,

The heat exchanger assembly includes a first heat exchanger and a second heat exchanger, wherein the first heat exchanger and the second heat exchanger are respectively disposed on opposite sides of the expansion tank along a width direction of the shell.

3. The chiller according to claim 2, characterized in that the water system further comprises a heater, and the heater is arranged below the expansion tank.

4. The chiller according to claim 3 is characterized in that the first heat exchanger is a water-fluorine plate heat exchanger, the second heat exchanger is a water-water plate heat exchanger, the water-fluorine plate heat exchanger is arranged on the side of the expansion tank close to the first water pump, and the water-water plate heat exchanger is arranged on the side of the expansion tank close to the second water pump, and the first water pump, the water-fluorine plate heat exchanger, the heater and the water-water plate heat exchanger are connected in sequence by pipes.

5. The chiller according to claim 2, characterized in that the water system further comprises a dry cooler, and the dry cooler is arranged at an end of the compressor away from the expansion tank.

6. The chiller according to claim 5, characterized in that the water system further comprises a regulating valve, the regulating valve is arranged on a side of the dry cooler close to the second heat exchanger, and the second water pump, the dry cooler, the regulating valve and the second heat exchanger are connected in sequence through pipelines.

7. The chiller according to claim 5, characterized in that the refrigeration system further comprises a condenser, and the condenser is arranged on a side of the dry cooler facing away from the compressor.

8. The chiller according to claim 7, characterized in that the refrigeration system further comprises a fan, and the fan is arranged on a side of the condenser facing away from the dry cooler.

9. The chiller as described in claim 8 is characterized in that a vent facing the fan is provided at one end of the shell in the length direction, and a water inlet and a water outlet are provided at the other end, the water inlet is connected to the first water pump and/or the second water pump, and the water outlet is connected to the second heat exchanger.

10. The chiller according to claim 2, characterized in that the chiller further comprises an electric control box, and the electric control box is arranged on a side of the first heat exchanger or the second heat exchanger away from the expansion tank.