CN219367839U - Air-cooled chiller - Google Patents

Abstract

The application relates to the technical field of air-cooled water chilling units and discloses an air-cooled water chilling unit, the air-cooled water chilling unit includes: the refrigerant circulation system comprises a compressor, a condenser, a throttle valve and an evaporator which are sequentially connected, so that the refrigerant circularly flows in the refrigerant circulation system; the water cooling system is arranged in a way that part of pipelines of the water cooling system are abutted against the evaporator so as to enable the part of pipelines to exchange heat with the evaporator; one end of the water cooling pipeline is connected with the pipeline of the water cooling system, and the other end of the water cooling pipeline is arranged at the condenser so that water in the water cooling system is sprayed to the condenser. According to the heat exchange fin structure, the water-cooling pipeline is communicated with the pipeline of the water cooling system, so that the problem of blockage of the water-cooling pipeline can be avoided, the heat exchange fins of the condenser can not be covered, the heat exchange rate of the condenser is affected, the heat dissipation rate of the condenser can be greatly improved, and the working efficiency of a water chilling unit can be improved.

Description

Air-cooled chiller

Technical Field

The application relates to the technical field of air-cooled water chilling units, for example, to an air-cooled water chilling unit.

Background

At present, an air-cooled chiller is one of chiller models, normal-temperature water is cooled to a certain temperature through a compressor of the chiller to strengthen a cooling die or machine, the air-cooled chiller is used as a single machine, a heat dissipation device is a built-in fan, and three systems are mainly connected with each other: refrigerant circulation system, water circulation system, electrical apparatus autonomous system.

The utility model discloses a condenser cooling water set among the related art, condenser cooling water set includes compressor, condenser, expansion valve, evaporimeter, compressor, condenser, expansion valve, evaporimeter airtight connection in proper order makes refrigerant can circulate the operation wherein, the condenser includes the shell and establishes the condensing coil in the shell body, and condensing coil one end is connected with the compressor, and the other end is connected with the expansion valve, be equipped with the shower nozzle to its water spray around the condensing coil, the shower nozzle is separated with condensing coil, and condensing coil's bottom is equipped with the cistern, has the water pipe to carry the shower nozzle to the water in the cistern, the shell is equipped with air intake and air outlet.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the condenser water chiller in the related art is provided with a water storage tank, water in the water storage tank is sprayed onto the condenser by a water pump, and the water on the condenser flows back to the water tank downwards to form circulation. Because the condenser cooling water unit is mostly arranged outdoors, the outside air contains a large amount of dust, the dust forms turbid liquid in the water tank circulation, and the turbid liquid can block the spray head on one hand and can reduce the heat exchange efficiency of the radiating fins of the condenser on the other hand.

It should be noted that the information disclosed in the foregoing background section is only for enhancing understanding of the background of the present application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides an air-cooled chiller, which aims to solve the problems that a long-time use spray head of a condenser chiller in the related art is blocked or the heat dissipation efficiency of the condenser is reduced.

Embodiments of a first aspect of the present application provide an air-cooled chiller, the air-cooled chiller comprising: the refrigerant circulation system comprises a compressor, a condenser, a throttle valve and an evaporator which are sequentially connected, so that the refrigerant circularly flows in the refrigerant circulation system; the water cooling system is arranged in a way that part of pipelines of the water cooling system are abutted against the evaporator so as to enable the part of pipelines to exchange heat with the evaporator; one end of the water cooling pipeline is connected with the pipeline of the water cooling system, and the other end of the water cooling pipeline is arranged at the condenser so that water in the water cooling system is sprayed to the condenser.

In some alternative embodiments, the water cooling pipeline and the water cooling system are connected at a pipeline before the water cooling system exchanges heat with the evaporator.

In some alternative embodiments, an end of the water cooling line facing the condenser is located at an upper portion of the condenser.

In some alternative embodiments, the air-cooled chiller further comprises: the spray head is arranged at one end of the water cooling pipeline facing the condenser and is detachably connected with the water cooling pipeline.

In some alternative embodiments, the refrigerant circulation system further comprises: the cooling fan is arranged on one side of the condenser and used for accelerating the cooling of the condenser; the spray head is positioned on the other side of the condenser, and the air outlet direction of the cooling fan is the same as the water mist flowing direction of the spray head.

In some alternative embodiments, the air-cooled chiller further comprises: and the electromagnetic valve is arranged on the water cooling pipeline and used for controlling the on-off of the water cooling pipeline.

In some alternative embodiments, the air-cooled chiller further comprises: the temperature sensor is arranged at the condenser and used for detecting the ambient temperature around the condenser; and the controller is electrically connected with the temperature sensor and the electromagnetic valve and is used for controlling the opening and closing of the electromagnetic valve according to the detection result of the temperature sensor.

In some alternative embodiments, the water cooling system includes: a water pump, a water inlet pipeline, one end of which is communicated with the water outlet side of the equipment, and the other end of which is communicated with the water inlet side of the water pump; one end of the water outlet pipeline is communicated with the water outlet side of the water pump, and the other end of the water outlet pipeline is communicated with the water inlet side of the equipment; and part of the water outlet pipeline exchanges heat with the evaporator, and the water inlet pipeline is also provided with a water supplementing port.

In some alternative embodiments, the water cooling system further comprises: and the expansion water tank is communicated with the water inlet pipeline.

In some alternative embodiments, the water cooling system further comprises: and the heating device is arranged on the water outlet pipeline and used for heating water flowing through the heating device.

The air-cooled water chilling unit provided by the embodiment of the disclosure can realize the following technical effects:

through setting up the water-cooling pipeline and being linked together the pipeline of water-cooling pipeline's one end and water cooling system, condenser department is located to the other end of water-cooling pipeline, can make the water in the water cooling system flow to condenser department along the water-cooling pipeline, and spray to the condenser, utilize the heat dissipation of water evaporation principle acceleration condenser, compare and set up the cistern in the correlation technique and cyclic utilization water in the cistern gives the radiating mode of condenser, on the one hand can avoid the problem emergence of water-cooling pipeline jam, on the other hand because the normal water that adopts the water cooling system is as the supply source, the water is comparatively clean, can not cause the heat transfer fin of condenser to be covered, influence the problem of the heat transfer rate of condenser, in addition this kind of setting mode can improve the heat dissipation rate of condenser greatly, and then can promote chiller's work efficiency.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

FIG. 1 is a schematic view of an air-cooled water chiller provided in an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of another air-cooled water chiller provided in an embodiment of the present disclosure;

FIG. 3 is a schematic view of a structure of a further air-cooled water chiller provided in an embodiment of the present disclosure;

fig. 4 is a schematic view of a part of a structure of a housing of an air-cooled water chiller provided in an embodiment of the present disclosure.

Reference numerals:

10: refrigerant circulation system, 100: housing, 101: air intake, 102: air outlet, 11: compressor, 12: condenser, 13: throttle valve, 14: evaporator, 15: a heat dissipation fan,

20: water cooling system, 21: water inlet pipeline, 211: water inlet, 212: water supplementing port, 22: water outlet line, 221: water outlet, 23: water pump, 24: expansion tank, 25: a heating device,

30: water-cooling pipeline, 31: spray head, 32: a solenoid valve.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

Referring to fig. 1 to 4, an embodiment of the present disclosure provides an air-cooled chiller, including: the refrigerant circulation system 10, the water cooling system 20 and the water cooling pipeline 30, wherein the refrigerant circulation system 10 comprises a compressor 11, a condenser 12, a throttle valve 13 and an evaporator 14 which are sequentially connected, so that the refrigerant circularly flows; part of the pipelines of the water cooling system 20 are arranged in a way of being abutted against the evaporator 14 so that the part of the pipelines exchange heat with the evaporator 14; one end of the water cooling pipeline 30 is communicated with a pipeline of the water cooling system 20, and the other end of the water cooling pipeline 30 is arranged at the condenser 12 so that water in the water cooling system 20 is sprayed to the condenser 12.

By adopting the air-cooled chiller provided by the embodiment of the disclosure, through the refrigerant circulation system 10 formed by the compressor 11, the condenser 12, the throttle valve 13 and the evaporator 14 which are sequentially connected, the refrigerant continuously circulates and flows along the path of the evaporator 14, the compressor 11, the condenser 12, the throttle valve 13 and the evaporator 14 in the refrigerant circulation system 10, and the state of the refrigerant is continuously changed in the flowing process so as to continuously absorb and release heat, so that the effect of carrying heat is achieved. After the compressor 11 starts working, the liquid refrigerant is conveyed to the evaporator 14 to be heated, evaporated and converted into a gas state, the process of converting the liquid refrigerant into the gas state from the liquid state can absorb heat in a room, then the gas low-pressure refrigerant is conveyed to the compressor 11 to be compressed into a high-pressure gas state and discharged into the condenser 12, the high-pressure liquid is condensed into a high-pressure liquid through heat release of outdoor air sucked into the condenser 12, the high-pressure liquid is throttled into a low-pressure low-temperature refrigerant through the throttle valve 13, and the low-pressure liquid is conveyed to the evaporator 14 again, so that the refrigeration cycle is completed. By arranging the water cooling system 20 and arranging part of the pipelines of the water cooling system 20 to be abutted against the evaporator 14, heat in the part of the pipelines can be absorbed by the refrigerant in the evaporator 14 due to the fact that the refrigerant conversion state in the evaporator 14 can absorb heat, the temperature of water in the part of the pipelines is reduced, and the water cooling system 20 can output cold water. Through setting up water-cooling pipeline 30 and being linked together the pipeline of water-cooling pipeline 30 and water cooling system 20, condenser 12 department is located to the other end of water-cooling pipeline 30, can make the water in the water cooling system 20 flow to condenser 12 department along water-cooling pipeline 30, and spray to condenser 12 on, utilize the heat dissipation of water evaporation principle acceleration condenser 12, compare in the mode that sets up the cistern and cyclic utilization water in the cistern for condenser 12 heat dissipation in the correlation technique, on the one hand can avoid the problem emergence of water-cooling pipeline 30 jam, on the other hand because the normal water that adopts water cooling system 20 is as the water supply source, the water is comparatively clean, can not cause the heat transfer fin of condenser 12 to be covered, influence the problem of condenser 12 heat transfer rate, in addition this kind of setting up the rate that can improve condenser 12 greatly, and then can promote the work efficiency of chiller.

In some embodiments, the communication end of the water cooling line 30 with the water cooling system 20 is located in the line prior to heat exchange of the water cooling system 20 with the evaporator 14.

By adopting the air-cooled chiller provided by the embodiment of the disclosure, through arranging the communication end of the water cooling pipeline 30 and the water cooling system 20 in the pipeline before the heat exchange between the water cooling system 20 and the evaporator 14, compared with the arrangement mode of arranging the communication end of the water cooling pipeline 30 and the water cooling system 20 in the pipeline after the heat exchange between the water cooling system 20 and the evaporator 14, the air-cooled chiller can ensure that the water cooled by the water cooling system 20 is completely output, avoid the waste of cooling water, and further reduce the energy consumption of the refrigerant circulation system 10.

In the actual use process, the water inlet temperature and the water outlet temperature of the water cooling system 20 of the air-cooled chiller are both smaller than the condensation temperature of the condenser 12, no great temperature difference exists between the water inlet temperature and the water outlet temperature, the heat dissipation for the condenser 12 mainly uses the evaporation latent heat of the water, the relation between the evaporation latent heat and the initial temperature of the water is not great, the water outlet mainly cools the user equipment, and the cold water output of the water cooling system 20 needs to be ensured. Therefore, it is understood that in the case that the output of the cooling water of the water cooling system 20 meets the user's requirement, the communication end of the water cooling pipeline 30 and the water cooling system 20 may also be disposed in the pipeline after the heat exchange between the water cooling system 20 and the evaporator 14.

In some embodiments, the end of the water cooling line 30 facing the condenser 12 is located at an upper portion of the condenser 12.

By adopting the air-cooled chiller provided by the embodiment of the disclosure, the water cooling pipeline 30 is arranged on the upper part of the condenser 12 towards one end of the condenser 12, so that water flowing out of the water cooling pipeline 30 can flow downwards from the upper part of the condenser 12, heat exchange is gradually performed with the condenser 12, the evaporation time of the water on the condenser 12 is prolonged, and the heat dissipation effect of the condenser 12 is improved.

Illustratively, the condenser 12 is a micro-channel heat exchanger, the middle rib plate of the micro-channel is slotted, the water sprays on the rib plate slot of the micro-channel heat exchanger to flow downwards slowly, the water can be fully evaporated, and the heat of the condenser 12 can be quickly taken away by water evaporation.

Optionally, the air-cooled chiller comprises a casing 100, the casing 100 comprises a bottom plate, and the bottom plate is provided with a drain hole, wherein a water collecting tank is arranged at a position of the bottom plate corresponding to the condenser 12, and the water collecting tank is communicated with the drain hole, so that water in the water collecting tank directly flows out along the drain hole.

In this way, by providing the sump and drain holes in the bottom plate, a small portion of the water that has not been evaporated and that has flowed onto the condenser 12 can be allowed to fall into the sump and flow out of the housing 100 along the drain holes, avoiding the occurrence of water accumulation in the housing 100 that affects the operation of internal components.

In some embodiments, the air-cooled chiller further includes a spray head 31, where the spray head 31 is disposed at an end of the water cooling pipeline 30 facing the condenser 12 and is detachably connected to the water cooling pipeline 30.

By adopting the air-cooled water chilling unit provided by the embodiment of the disclosure, the water flowing out of the water-cooled pipeline 30 can be changed into spray by arranging the spray head 31 and arranging the spray head 31 at one end of the water-cooled pipeline 30 facing the condenser 12, and the spray is sprayed onto the condenser 12 in a spray mode, so that the water evaporation speed can be increased, and the cooling effect of the condenser 12 is improved; through can dismantle shower nozzle 31 with water-cooling pipeline 30 be connected, can the user dismantle and change shower nozzle 31 of convenience to maintenance shower nozzle 31 or realize different water spray effect through changing different kind shower nozzle.

The spray head 31 is a diffusion spray head 31, and after the water flow is sprayed from the diffusion spray head 31, the water flow is sprayed around in a circular shape or a fan shape by taking the position of the diffusion spray head 31 as a center.

Alternatively, the spray head 31 may be a diffusion spray head 31 or a perforated pipe spray head 31, and it is understood that the specific form of the spray head 31 is not unique and may be changed according to actual use requirements.

In some embodiments, the refrigerant circulation system 10 further comprises: a cooling fan 15, the cooling fan 15 is arranged at one side of the condenser 12, and the cooling fan 15 is used for accelerating the cooling of the condenser 12; the spray head 31 is disposed at the other side of the condenser 12, and the air outlet direction of the cooling fan 15 is the same as the water mist flowing direction of the spray head 31.

By adopting the air-cooled chiller provided by the embodiment of the disclosure, through the arrangement of the cooling fan 15, the cooling fan 15 can accelerate the flow speed of air at the condenser 12, the cooling fan 15 drives the air to flow, so that the heat exchange rate of the condenser 12 and the air can be accelerated, and the heat exchange effect of the condenser 12 is improved; the spray heads 31 and the cooling fans 15 are respectively arranged on two sides of the condenser 12, the air outlet direction of the cooling fans 15 is the same as the water mist flowing direction of the spray heads 31, when the cooling fans 15 work, the cooling fans 15 can drive air to flow towards the condenser 12, so that the air drives the water mist emitted by the spray heads 31 to flow onto the condenser 12, the possibility that the water mist emitted by the spray heads 31 flows to other parts in the shell 100 is reduced, in addition, the rapid flow of the air can accelerate the water evaporation speed, the heat exchange rate of the condenser 12 is further accelerated, and the working efficiency of the air-cooled chiller is improved.

Optionally, an air inlet 101 is formed on one side of the casing 100, an air outlet 102 is formed on the other side of the casing 100, the air inlet 101 and the air outlet 102 are oppositely arranged, and the air outlet direction of the cooling fan 15 is the same as the direction of the air inlet 101 towards the air outlet 102.

Thus, by arranging the air inlet 101 and the air outlet 102 relatively, the external air can rapidly flow in along the air inlet 101 and flow out along the air outlet 102 under the driving of the cooling fan 15, so that the air flow speed is ensured, and the heat exchange effect of the condenser 12 can be ensured.

As an example, as shown in fig. 1 and 2, the arrows in fig. 2 indicate the air flow direction, the number of the heat dissipation fans 15 is plural, and the plural heat dissipation fans 15 are arranged in the housing 100 from top to bottom and between the condenser 12 and the air outlet 102, and the air outlet direction of the heat dissipation fans 15 is toward the air outlet 102 of the housing 100. The plurality of heat radiation fans 15 are uniformly distributed on one side of the condenser 12 from top to bottom. In this way, the heat exchange efficiency of the condenser 12 can be improved.

In some embodiments, the air-cooled chiller further comprises: the electromagnetic valve 32, the electromagnetic valve 32 is located the water-cooling pipeline 30, and the electromagnetic valve 32 is used for controlling the break-make of water-cooling pipeline 30.

By adopting the air-cooled chiller provided by the embodiment of the disclosure, through arranging the electromagnetic valve 32 on the water-cooling pipeline 30, a user can automatically control parameters such as opening and closing of the water-cooling pipeline 30 and flow or flow velocity of the water-cooling pipeline 30 by controlling the electromagnetic valve 32.

In the practical use process, in the cooling water unit adopting the heat dissipation mode in the related art, when the external environment temperature is near zero degree, the water in the reservoir is easily frozen by blowing, and at this time, the water in the reservoir may not be sprayed onto the condenser 12 from the spray head 31, which may reduce the cooling effect of the condenser 12.

In some embodiments, the air-cooled chiller further comprises: a temperature sensor and a controller, the temperature sensor is arranged at the condenser 12 and is used for detecting the ambient temperature around the condenser 12; the controller is electrically connected with the temperature sensor and the electromagnetic valve 32, and is used for controlling the opening and closing of the electromagnetic valve 32 according to the detection result of the temperature sensor.

By adopting the air-cooled chiller provided by the embodiment of the disclosure, through the arrangement of the temperature sensor and the controller, the controller can automatically control the opening and closing of the electromagnetic valve 32 according to the ambient temperature, so as to control the on-off of the water cooling pipeline 30, and specifically, when the external ambient temperature is less than the preset temperature, the controller controls the electromagnetic valve 32 to be closed; when the external ambient temperature is equal to or higher than a preset temperature, the controller controls the solenoid valve 32 to open, wherein the preset temperature ranges from 10 degrees to 40 degrees, including 10 degrees and 40 degrees.

Preferably, the controller controls the solenoid valve 32 to be opened when the outside ambient temperature is 35 degrees or more, and controls the solenoid valve 32 to be closed when the outside ambient temperature is less than 35 degrees. Thus, the ambient temperature is high, the rate of water evaporation is high, and the cooling effect of the condenser 12 is good.

In some embodiments, the water cooling system 20 includes: the water pump 23, the water inlet pipeline 21 and the water outlet pipeline 22, wherein one end of the water inlet pipeline 21 is communicated with the water outlet side of the device, and the other end of the water inlet pipeline 21 is communicated with the water inlet side of the water pump 23; one end of the water outlet pipeline 22 is communicated with the water outlet side of the water pump 23, and the other end of the water outlet pipeline 22 is communicated with the water inlet side of the equipment; wherein, part of the pipelines of the water outlet pipeline 22 exchange heat with the heat exchanger, and the water inlet pipeline 21 is also provided with a water supplementing port 212.

By adopting the air-cooled water chilling unit provided by the embodiment of the disclosure, the water pump 23 is arranged and two ends of the water pump 23 are respectively communicated with the water inlet pipeline 21 and the water outlet pipeline 22, and the water pump 23 can provide power for water in the water inlet pipeline 21 and the water outlet pipeline 22 so as to control the flow speed of the water; by providing the water supplementing port 212 in the water inlet pipeline 21, when the water consumption of the water cooling pipeline 30 is large, water can be supplemented to the water inlet pipeline 21 through the water supplementing port 212, so that the water outlet pipeline 22 can output enough cooling water.

Illustratively, as shown in connection with fig. 3, the black arrows in fig. 3 indicate the flow direction of the refrigerant in the refrigerant circulation system 10, and the white arrows in fig. 3 indicate the flow direction of the water flow in the water cooling system 20. One end of the water inlet pipeline 21 is provided with a water inlet 211, the other end of the water inlet pipeline is communicated with the water inlet side of the water pump 23, the water outlet side of the water pump 23 is communicated with one end of the water outlet pipeline 22, the other end of the water outlet pipeline 22 is provided with a water outlet 221, and part of the water outlet pipeline 22 exchanges heat with the evaporator 14, so that water can flow in from the water inlet 211 of the water inlet pipeline 21 and flow out of the water outlet pipeline 22 under the action of the water pump 23, and exchange heat with the evaporator 14 in part of the water outlet pipeline 22 flowing through the evaporator 14, so that the water outlet pipeline 22 flows out of cold water from the water outlet 221.

Optionally, the communication end of the water cooling pipeline 30 and the water cooling system 20 is located between the water pump 23 and the pipeline for exchanging heat between the water outlet pipeline 22 and the heat exchanger, so that the water flow speed of the water cooling pipeline 30 can be ensured due to the arrangement position close to the water pump 23.

In some embodiments, the water cooling system 20 further comprises: expansion tank 24, expansion tank 24 communicates with water intake line 21.

By adopting the air-cooled chiller provided by the embodiment of the disclosure, the expansion water tank 24 is arranged, the expansion water tank 24 can accommodate the expansion amount of water in the water cooling system 20, and meanwhile, the air-cooled chiller also plays roles of constant pressure and supplementing water for the water cooling system 20, so that the reliability of the water cooling system 20 is improved.

Because the water in the water cooling system 20 expands with heat and contracts with cold, when the water increases in temperature, the volume of the water in the water cooling system 20 increases, and when there is no expansion amount of the water contained therein, the water pressure in the water cooling system 20 increases, which will affect the normal operation of the water cooling system 20. At this time, by providing the expansion tank 24, the expansion tank 24 can accommodate the water expansion amount of the water cooling system 20, so that the fluctuation of the water pressure of the water cooling system 20 due to the expansion of water can be reduced, the safety and reliability of the operation of the water cooling system 20 can be improved, and when the water cooling system 20 leaks water or the environment is cooled down due to some reason, the water level in the expansion tank 24 is reduced to supplement water for the water cooling system 20.

In some embodiments, the water cooling system 20 further comprises: the heating device 25, the heating device 25 is located in the water outlet pipeline 22, and the heating device 25 is used for heating the water flowing through the heating device 25.

By adopting the air-cooled water chilling unit provided by the embodiment of the disclosure, through the arrangement of the heating device 25, the heating device 25 can heat water flowing through the heating device 25, so that the temperature of the cooled water is prevented from being too low, the temperature stability of the water output by the water outlet pipeline 22 is ensured, and various use requirements of users are met.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. An air-cooled chiller, comprising:

the refrigerant circulation system comprises a compressor, a condenser, a throttle valve and an evaporator which are sequentially connected, so that the refrigerant circularly flows in the refrigerant circulation system;

the water cooling system is arranged in a way that part of pipelines of the water cooling system are abutted against the evaporator so as to enable the part of pipelines to exchange heat with the evaporator;

one end of the water cooling pipeline is connected with the pipeline of the water cooling system, and the other end of the water cooling pipeline is arranged at the condenser so that water in the water cooling system is sprayed to the condenser.

2. The air-cooled chiller of claim 1,

and the communication end of the water cooling pipeline and the water cooling system is positioned in the pipeline before the water cooling system exchanges heat with the evaporator.

3. The air-cooled chiller of claim 1,

one end of the water cooling pipeline, which faces the condenser, is positioned at the upper part of the condenser.

4. The air-cooled chiller of claim 1, further comprising:

the spray head is arranged at one end of the water cooling pipeline facing the condenser and is detachably connected with the water cooling pipeline.

5. The air-cooled chiller of claim 4, wherein the refrigerant circulation system further comprises:

the cooling fan is arranged on one side of the condenser and used for accelerating the cooling of the condenser;

the spray head is positioned on the other side of the condenser, and the air outlet direction of the cooling fan is the same as the water mist flowing direction of the spray head.

6. The air-cooled chiller according to any one of claims 1 to 5 further comprising:

and the electromagnetic valve is arranged on the water cooling pipeline and used for controlling the on-off of the water cooling pipeline.

7. The air-cooled chiller according to claim 6 further comprising:

the temperature sensor is arranged at the condenser and used for detecting the ambient temperature around the condenser;

and the controller is electrically connected with the temperature sensor and the electromagnetic valve and is used for controlling the opening and closing of the electromagnetic valve according to the detection result of the temperature sensor.

8. The air-cooled chiller according to claim 1 wherein the water cooling system comprises:

a water pump,

one end of the water inlet pipeline is communicated with the water outlet side of the equipment, and the other end of the water inlet pipeline is communicated with the water inlet side of the water pump;

one end of the water outlet pipeline is communicated with the water outlet side of the water pump, and the other end of the water outlet pipeline is communicated with the water inlet side of the equipment;

and part of the water outlet pipeline exchanges heat with the evaporator, and the water inlet pipeline is also provided with a water supplementing port.

9. The air-cooled chiller according to claim 8 wherein the water cooling system further comprises:

and the expansion water tank is communicated with the water inlet pipeline.

10. The air-cooled chiller according to claim 8 wherein the water cooling system further comprises:

and the heating device is arranged on the water outlet pipeline and used for heating water flowing through the heating device.