CN220507437U - Water chilling unit - Google Patents

Abstract

The utility model relates to a water chiller, wherein a heat conducting solution is contained in the water chiller through a liquid storage tank, and the heat conducting solution is used for carrying out heat exchange with heating components outside the water chiller. The space in the liquid storage tank is defined into a liquid inlet area, a water supply area and a detection area by the arrangement of the isolating piece, and the heat conducting liquid in the liquid inlet area can flow into the water supply area through the air bubble isolating hole by virtue of the arrangement of the air bubble isolating hole, but air bubbles can be isolated in the liquid inlet area; the arrangement of the overflow holes enables the heat-conducting liquid in the water supply area to flow into the detection area, so that bubbles are effectively isolated in the liquid inlet area, and meanwhile, vibration generated when the heat-conducting liquid flows in the liquid storage tank is prevented from being transmitted to the detection area, and the detection accuracy of products is improved; the heating device and the second loop are arranged, so that the unit can heat or cool heating devices outside the unit, the heating device can be suitable for various heating devices, and universality is improved.

Description

Water chilling unit

Technical Field

The utility model relates to the field of refrigeration equipment, in particular to a water chilling unit.

Background

The water chiller cools the heating device through liquid, specifically, the water chiller controls the temperature of the heat conducting liquid, and the liquid is transmitted to the outside to cool the heating device after the liquid is controlled at a preset temperature.

The water chilling unit in the related art still has certain defects in the actual use process:

firstly, the heating device generates heat, most of the heating device needs to be cooled, however, in some working conditions, for example, when the ambient temperature is lower than the optimal working temperature range of the heating device, the heating device needs to be heated, but the water chilling unit only has a cooling function and does not have a heating function, and the water chilling unit cannot be suitable for part of the heating device and has poor universality;

moreover, the water chilling unit is provided with a liquid storage tank for accommodating the heat-conducting liquid, and the heat-conducting liquid is easy to form bubbles after being sent into the liquid storage tank, and the bubbles can cause collection failure of various sensors, such as a liquid level meter, a water level switch and the like, so that the unit is finally abnormal in operation.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a water chilling unit which can heat and cool a heating device and can improve the acquisition accuracy of a sensor.

The utility model provides a water chilling unit which comprises a liquid storage device, a detection device arranged on the liquid storage device, a heating device arranged on the liquid storage device, a first loop communicated with the liquid storage device and a second loop arranged on the liquid storage device, wherein the first loop is communicated with the liquid storage device;

the liquid storage device comprises a liquid storage tank for storing heat-conducting liquid and a separator arranged in the liquid storage tank; the separator defines a liquid inlet region, a water supply region and a detection region in the liquid storage tank, at least one bubble isolation hole and at least one overflow hole are formed in the separator, the liquid inlet region guides heat conduction liquid into the water supply region through the bubble isolation hole, and the water supply region is communicated with the detection region through the overflow hole;

the detection device is positioned in the detection area, and the heating device is used for heating the heat conduction liquid in the water supply area;

the first loop comprises a liquid inlet pipeline communicated with the liquid inlet region and a liquid outlet pipeline communicated with the water supply region, wherein the liquid inlet pipeline is used for flowing heat conduction liquid into the liquid inlet region, and the liquid outlet pipeline is used for flowing heat conduction liquid in the liquid inlet region out;

the second loop guides the refrigerant to flow along a preset track so that the refrigerant exchanges heat with the heat-conducting liquid flowing into the liquid storage tank, and therefore the refrigerant absorbs heat of the heat-conducting liquid and conducts the heat out, and the temperature of the heat-conducting liquid is reduced.

Preferably, the first circuit further comprises a water diversion structure, the water diversion structure comprises a plurality of diversion holes arranged on the first circuit, and each diversion hole is used for the heat conduction liquid to flow into the liquid inlet area.

Preferably, the water diversion structure comprises a liquid diversion pipe communicated with the liquid inlet pipeline, a plurality of diversion holes are formed in the liquid diversion pipe, and all the diversion holes are distributed in an equidistant array.

Preferably, part or all of the diversion holes are positioned at the bottom of the liquid inlet area.

Preferably, the first loop further comprises a liquid inlet valve for controlling the on-off of the liquid inlet pipeline, a liquid pump for pumping heat conducting liquid, and a liquid outlet valve for controlling the on-off of the liquid outlet pipeline;

the liquid inlet valve is arranged on the liquid inlet pipeline, and the liquid pump and the liquid outlet valve are connected in series and arranged on the liquid outlet pipeline.

Preferably, the second circuit includes a refrigerant circuit for guiding the flow of the refrigerant, a first heat exchanger disposed on the refrigerant circuit, a second heat exchanger disposed on the refrigerant circuit, and a refrigerant conveyer disposed on the refrigerant circuit;

the refrigerant conveyor drives the refrigerant to flow through the first heat exchanger and the second heat exchanger along the refrigerant loop, so that the refrigerant exchanges heat with the heat conduction liquid flowing into the liquid storage tank through the first heat exchanger, and the refrigerant after temperature rise is led out of heat through the second heat exchanger.

Preferably, the second heat exchanger includes a radiator in communication with the refrigerant circuit, and a radiator fan driving a gas to flow through the radiator so that the refrigerant conducts heat out through the radiator.

Preferably, the first heat exchanger comprises a coiled evaporator disposed within the water supply section, the coiled evaporator in communication with the refrigerant circuit;

or the first heat exchanger comprises a plurality of coil evaporators, each coil evaporator is positioned in the water supply area, and each coil evaporator is communicated with the refrigerant loop.

Preferably, the first heat exchanger comprises a plate heat exchanger provided with first and second plate heat exchange channels;

the first plate heat exchange channel is communicated with the liquid inlet pipeline, and the second plate heat exchange channel is communicated with the second loop, so that the refrigerant and the heat conduction liquid exchange heat through the plate heat exchanger.

Preferably, the first heat exchanger comprises a shell-and-tube heat exchanger, and a first shell-and-tube channel and a second shell-and-tube channel are arranged on the shell-and-tube heat exchanger;

the first shell-and-tube channel is communicated with the first loop, and the second shell-and-tube channel is communicated with the liquid inlet pipeline, so that the refrigerant and the heat-conducting liquid exchange heat through the shell-and-tube heat exchanger.

Preferably, the separator comprises two separators arranged in the liquid storage tank, wherein one separator defines the liquid inlet area in the liquid storage tank, the other separator defines the detection area in the liquid storage tank, and the outer side walls of the two separators and the inner wall of the liquid storage tank jointly define the water supply area; or (b)

The isolation piece comprises a first baffle arranged in the liquid storage tank and a second baffle arranged on the first baffle, the second baffle is connected with the second baffle to form a T shape, a first limiting surface and a second limiting surface are defined on the first baffle by the second baffle, the first limiting surface and the second baffle are shared with the liquid storage tank to define a liquid inlet area, the second limiting surface and the second baffle are shared with the liquid storage tank to define a detection area, the side surface, away from the second baffle, of the first baffle is defined in the liquid storage tank to define a water supply area, a plurality of bubble isolation holes are formed in the first limiting surface, flow through holes are formed in the second limiting surface, and the flow through holes are communicated with the detection area and the water supply area.

Preferably, the separator further comprises a mesh which shields the liquid inlet region, and the heat conducting liquid is led out through the liquid outlet pipeline and passes through the mesh to enter the liquid inlet region.

Preferably, the heating means comprises at least one heating element for heating the heat conducting liquid in the water supply section, the heating element being arranged in the water supply section.

Preferably, the water chilling unit further comprises an electric control device, wherein the electric control device comprises a control circuit board and a control panel electrically connected with the control circuit board, and the control circuit board is electrically connected with the detection device and the heating device; and/or

The detection device comprises a liquid level meter arranged in the detection area, a water level switch arranged in the detection area and a flowmeter arranged on the liquid outlet pipeline.

Preferably, the water chiller further comprises a third loop, wherein the third loop comprises a drain pipe and a water supplementing pipe, and the drain pipe and the water supplementing pipe are respectively communicated with the liquid inlet area; and/or

The liquid storage device further comprises an exhaust valve, and the exhaust valve is arranged on the liquid storage tank.

The implementation of the utility model has the following beneficial effects:

the utility model relates to a water chiller, wherein a heat conducting solution is contained in the water chiller through a liquid storage tank, and the heat conducting solution is used for carrying out heat exchange with heating components outside the water chiller. The space in the liquid storage tank is defined into a liquid inlet area, a water supply area and a detection area by the arrangement of the isolating piece, and the heat conducting liquid in the liquid inlet area can flow into the water supply area through the air bubble isolating hole by virtue of the arrangement of the air bubble isolating hole, but air bubbles can be isolated in the liquid inlet area; the arrangement of the overflow holes enables the heat conduction liquid in the water supply area to flow into the detection area, so that bubbles are effectively isolated in the liquid inlet area, and meanwhile, vibration generated when the heat conduction liquid flows in the liquid storage tank is prevented from being transmitted to the detection area, so that the heat conduction liquid in the detection area is kept stable, the detection by the detection device is facilitated, and the detection accuracy of products is improved;

secondly, heating device's setting can heat the heat conduction liquid, and the setting of second return circuit then can cool off the heat conduction liquid to make the unit can heat or cool off the outside heating device of unit, can be applicable to various heating devices, improved the universality.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.

FIG. 1 is a schematic view of a first embodiment of a chiller according to the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of a chiller according to the present utility model;

FIG. 3 is a schematic view of a third embodiment of a chiller according to the present utility model;

FIG. 4 is a schematic view of a fourth embodiment of a chiller according to the present utility model;

FIG. 5 is a schematic view of a part of the structure of the water chiller of the present utility model;

FIG. 6 is a schematic view of a fifth embodiment of a chiller according to the present utility model;

FIG. 7 is a schematic view of a spacer of a cold water unit according to some embodiments of the present utility model;

fig. 8 is a schematic view of a spacer of a cold water unit according to other embodiments of the present utility model.

Detailed Description

Embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While embodiments of the present utility model are illustrated in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the utility model. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Fig. 1 and 2 illustrate a water chiller 10 according to some preferred embodiments of the present utility model, where the water chiller 10 is configured to regulate the temperature of a heat generating device, and may heat or cool the heat generating device. The heat generating device may be a component, apparatus, mechanism, device, or the like that generates heat in various fields, and for example, the heat generating device may be a battery. The water chiller 10 comprises a liquid storage device 1, a detection device 2 arranged on the liquid storage device 1, a heating device 3 arranged on the liquid storage device 1, a first loop 4 communicated with the liquid storage device 1 and a second loop 5 arranged on the liquid storage device 1.

It can be understood that the liquid storage device 1 is configured to store a heat-conducting liquid, which is a liquid that is transferred to the outside of the water chiller 10 to exchange heat with a heat generating device, and the heat-conducting liquid may be a water-cooling liquid commonly used in related art. The detection device 2 is used for detecting the heat conducting liquid. The heating device 3 is used for heating the heat conducting liquid. The first circuit 4 is used for communicating the water chiller 10 with the outside, specifically, the water cooling device on the external heating device needs to guide and transport the heat-conducting liquid through a channel or a pipeline, which is communicated with the first circuit 4, and the heat-conducting liquid can flow between the first circuit and the external channel or pipeline. The second loop 5 is used for radiating heat of the heat-conducting liquid, so as to achieve the purpose of cooling the heat-conducting liquid in the liquid storage device 1.

As shown in fig. 1 and 2, the liquid storage device 1 includes a liquid storage tank 11 for storing a heat conductive liquid, and a spacer 12 provided in the liquid storage tank 11; the separator 12 defines a liquid inlet region 13, a water supply region 14 and a detection region 15 in the liquid storage tank 11, at least one bubble isolation hole 121 and at least one overflow hole 122 are formed in the separator 12, the liquid inlet region 13 guides the heat conducting liquid into the water supply region 14 through the bubble isolation hole 121, and the water supply region 14 is communicated with the detection region 15 through the overflow hole 122.

It will be appreciated that the tank 11 is used to store a thermally conductive liquid. The separator 12 is used for separating the space in the liquid storage tank 11, the separator 12 can separate the space in the liquid storage tank 11 into a liquid inlet area 13, a water supply area 14 and a detection area 15, the liquid inlet area 13 is used for allowing heat conduction liquid from outside to flow in, and the water supply area 14 is used for supplying heat conduction liquid for an external heating device. The detection area 15 is used for detection by the detection device 2. The bubble isolation holes 121 are used for isolating bubbles and also for circulating the heat conductive liquid. The flow-through hole 122 is used for the heat-conducting liquid to flow through.

It should be noted that, the setting of the spacer 12 can prevent the propagation of the vibration of the heat-conducting liquid in the liquid storage tank 11 to a certain extent, so that the heat-conducting liquid in the detection area 15 tends to be stable, thereby avoiding the generation of bubbles or vibration and improving the detection precision of the product. The liquid inlet region 13 is used for flowing in the heat-conducting liquid flowing out of the heating device outside the water chiller 10, that is, the heat-conducting liquid, after exchanging heat with the device requiring temperature adjustment, is first introduced into the liquid inlet region 13 and then flows into the water supply region 14, and the heat-conducting liquid in the water supply region 14 flows into the detection region 15 through the overflow hole 122.

It should be noted that although the heat conducting liquid commonly used in the related art is liquid, the heat conducting liquid usually has a certain viscosity, and the viscous liquid is one of the reasons for easily generating bubbles, but at the same time, bubbles on the viscous liquid are more easily filtered by the bubble isolation holes 121 on the isolating member 12, that is, the bubbles cannot smoothly pass through the bubble isolation holes 121, so that the purpose of filtering bubbles in the heat conducting liquid can be achieved.

Referring also to fig. 5, in some embodiments of the water chiller 10, the liquid storage apparatus 1 further includes an exhaust valve 16, and the exhaust valve 16 is disposed on the liquid storage tank 11.

It will be appreciated that the vent valve 16 is used to release pressure in the event of excessive pressure in the tank 11.

As shown in fig. 1 and 2, the detecting device 2 is located in the detecting area 15, and the heating device 3 is used for heating the heat-conducting liquid in the water supply area 14.

It will be appreciated that the detection device 2 is configured to detect the heat-conducting liquid in the detection area 15, and that the detection device 2 may be configured to detect parameters such as temperature, pressure, and liquid level of the heat-conducting liquid.

As shown in fig. 1, 3 and 4, the first circuit 4 includes a liquid inlet pipe 41 connected to the liquid inlet area 13 and a liquid outlet pipe 42 connected to the water supply area 14, wherein the liquid inlet pipe is used for flowing heat-conducting liquid into the liquid inlet area 13, and the liquid outlet pipe 42 is used for flowing heat-conducting liquid out of the liquid inlet area 13.

It will be appreciated that the feed line 41 is used to introduce thermally conductive liquid from an external heat generating device into the feed zone 13. The liquid outlet pipeline 42 is used for guiding out the heat-conducting liquid in the liquid inlet region 13 to the external heating device, so that the heat-conducting liquid after temperature adjustment flows to the external heating device again for heat exchange, and the temperature of the heating device is adjusted.

As shown in fig. 1 and 2, the second circuit 5 guides the refrigerant to flow along a predetermined trajectory, so that the refrigerant exchanges heat with the heat-conducting liquid flowing into the liquid storage tank 11, and the refrigerant absorbs and outputs heat of the heat-conducting liquid, thereby reducing the temperature of the heat-conducting liquid.

It can be understood that the refrigerant can be a refrigerant commonly used in the related art, and the refrigerant is used for transferring heat. The second circuit 5 may be flexibly arranged, for example, in the tank 11, on the outer side wall of the tank 11, or outside the tank 11 at a distance from the tank 11.

The second circuit 5 may be configured to cool the heat-conducting liquid at different locations, for example, may be configured to exchange heat before the heat-conducting liquid flows into the tank 11, and may be configured to exchange heat with the heat-conducting liquid flowing into the tank 11. The heat exchange between the second circuit 5 and the heat-conducting liquid can be performed by various heat exchangers, which are commonly used, but the heat exchange is not limited to one or a few.

In addition to the above, it should be noted that, when the heating device 3 works, the heat-conducting liquid is heated, and when the second circuit 5 works, the heat-conducting liquid is cooled, so that the water chiller 10 can work according to the actual application requirement and the optimal working temperature of the specific heating device, and the heating device 3 or the second circuit 5 is controlled to start working according to the comparison result of the current temperature and the optimal working temperature.

As shown in fig. 1, in some embodiments of the water chiller 10, the first circuit 4 further includes a water diversion structure 43, and the water diversion structure 43 includes a plurality of diversion holes 431 disposed on the first circuit 4, each diversion hole 431 providing for the heat transfer liquid to flow into the liquid inlet zone 13.

It will be appreciated that the water diversion structure 43 is used for diverting the liquid, reducing the pressure of the heat conducting liquid discharged from the first circuit 4, that is, reducing the outlet pressure of the heat conducting liquid on the first circuit 4, reducing the impact force of the heat conducting liquid, preventing vibration on the one hand, preventing bubbles on the other hand, and further improving the measurement accuracy. The diversion holes 431 are used for the heat conduction liquid to flow out, and the heat conduction liquid can be discharged through a plurality of diversion holes 431 at the same time.

As shown in fig. 1, in some embodiments of the water chiller 10, the water diversion structure 43 includes a water diversion pipe 432 connected to the liquid inlet pipeline 41, and a plurality of diversion holes 431 are formed in the water diversion pipe 432, and each diversion hole 431 is distributed in an equidistant array.

As can be appreciated, the liquid dividing pipe 432 serves to divide the heat conductive liquid to the respective dividing holes 431. The distribution holes 431 are distributed in an equidistant array, so that the outlet pressure of each distribution hole 431 can be balanced as much as possible, and bubbles caused by overlarge outlet pressure of part of the distribution holes 431 are avoided.

Preferably, in some embodiments of the chiller 10, a portion or all of the flow holes 431 are located at the bottom of the intake zone 13.

It can be appreciated that the bypass hole 431 is disposed at the bottom of the liquid inlet region 13, so that the distance between the bypass hole 431 and the liquid inlet region 13 can be reduced, and the heat-conducting liquid is prevented from flowing from too high to form too large impact, and further the generation of bubbles is avoided.

As shown in fig. 1, in some embodiments of the water chiller 10, the first circuit 4 further includes a liquid inlet valve 44 for controlling the on/off of the liquid inlet line 41, a liquid pump 45 for pumping the heat-conducting liquid, and a liquid outlet valve 46 for controlling the on/off of the liquid outlet line 42; the liquid inlet valve 44 is disposed on the liquid inlet pipeline 41, and the liquid pump 45 and the liquid outlet valve 46 are disposed on the liquid outlet pipeline 42 in series.

It will be appreciated that the liquid inlet valve 44 is used to control the on-off of the heat conducting liquid flowing into the liquid storage tank 11 after heat exchange from the external heating device, and the liquid inlet valve 44 may be configured as a solenoid valve, or may be configured with other valves capable of controlling the inflow of the corresponding valves. The liquid pump 45 is used for pumping and supplying the heat-conducting liquid in the liquid storage tank 11 to an external heating device, so as to achieve the purpose of cooling or heating the external heating device. The liquid outlet valve 46 is used for controlling the on-off of the heat conducting liquid flowing from the liquid storage tank 11 to the heating device. The outlet valve 46 may be configured as a ball valve.

As shown in fig. 1, 3 and 4, in some embodiments of the chiller 10, the second circuit 5 includes a refrigerant circuit 51 for guiding the flow of the refrigerant, a first heat exchanger 52 provided on the refrigerant circuit 51, a second heat exchanger 53 provided on the refrigerant circuit 51, and a refrigerant conveyer 54 provided on the refrigerant circuit 51;

the refrigerant conveyer 54 drives the refrigerant to flow through the first heat exchanger 52 and the second heat exchanger 53 along the refrigerant circuit 51, so that the refrigerant exchanges heat with the heat-conducting liquid flowing into the liquid storage tank 11 through the first heat exchanger 52, and the warmed refrigerant outputs heat through the second heat exchanger 53.

It will be appreciated that the refrigerant circuit 51 includes a plurality of channels or tubes communicating to direct the flow of refrigerant. The first heat exchanger 52 is used for exchanging heat between the refrigerant and the heat-conducting liquid to reduce the heat on the heat-conducting liquid, so as to reduce the temperature of the heat-conducting liquid, and the refrigerant absorbs the heat of the heat-conducting liquid, expands thermally and further flows onto the second heat exchanger 53. The second heat exchanger 53 is used for transferring the heat of the refrigerant to the outside, so that the heat of the refrigerant expanded by heating is led out, and the refrigerant flows onto the first heat exchanger 52 after the temperature of the refrigerant is reduced, so that the purpose of continuously reducing the temperature of the heat conducting liquid is achieved. The refrigerant conveyor 54 is used for pumping refrigerant, and preferably, the refrigerant conveyor 54 may be configured as a compressor.

As shown in fig. 1 and 2, in some embodiments of the chiller 10, the second heat exchanger 53 includes a radiator 531 in communication with the refrigerant circuit 51, and a cooling fan 532, the cooling fan 532 driving a gas through the radiator 531 such that the refrigerant conducts heat out through the radiator 531.

It will be appreciated that the heat sink 531 may be configured with a heat dissipating structure such as fins for heat dissipation, and that a cold fit that absorbs heat from the thermally conductive liquid and expands will transfer heat to the fins or other heat dissipating structure. The heat dissipation fan 532 generates an air flow during operation, and the air flow flows through the heat dissipation structure such as the fins, so that heat of the refrigerant exchanges heat with the flowing air flow through the fins, and the refrigerant is cooled.

The positional relationship between the heat radiation fan 532 and the heat radiator 531 has at least two embodiments as follows:

first, the heat dissipation fan 532 may be disposed on the front side of the heat dissipation device 531, and when disposed on the front side, the heat dissipation fan 532 sucks the air on the heat dissipation device 531, that is, the heat dissipation fan 532 continuously sucks and discharges the air near the heat dissipation device 531.

Second, the heat dissipation fan 532 may be configured to be disposed at a rear side of the heat sink 531, and the heat dissipation fan 532 may blow air flow to the heat sink 531 requiring heat dissipation when operating.

The two embodiments can achieve the purpose of cooling the refrigerant.

As shown in fig. 1 and 5, in some embodiments of the chiller 10, the first heat exchanger 52 includes a coil evaporator 521, the coil evaporator 521 being disposed within the water supply section 14, the coil evaporator 521 being in communication with the refrigerant circuit 51; or the first heat exchanger 52 includes a plurality of coil evaporators 521, each coil evaporator 521 being located within the water supply section 14, each coil evaporator 521 being in communication with the refrigerant circuit 51.

It can be appreciated that the coil evaporator 521 is integrally bent to be spiral or approximately spiral, the spiral shape is conducive to the refrigerant performing sufficient heat exchange with the heat-conducting liquid in the coil evaporator 521, so that the refrigerant can perform heat exchange with the heat-conducting liquid at different positions in the liquid storage tank 11, and the heat-conducting liquid can be cooled rapidly, sufficiently and comprehensively, and the cooling efficiency is improved. Meanwhile, the spiral shape can greatly reduce the impact of the refrigerant on the coil evaporator 521 in the transmission process, and effectively avoid the vibration of the heat-conducting liquid.

As shown in fig. 3, in some embodiments of the water chiller 10, the first heat exchanger 52 includes a plate heat exchanger 522 with first and second plate heat exchange passages 5221, 5222 provided on the plate heat exchanger 522; the first plate heat exchanging channel 5221 communicates with the liquid inlet line 41 and the second plate heat exchanging channel 5222 communicates with the second circuit 5, whereby the refrigerant exchanges heat with the heat conducting liquid through the plate heat exchanger 522.

It will be appreciated that the plate heat exchanger 522 may be configured as a plate heat exchange device commonly known in the related art, and the first plate heat exchange channel 5221 and the second plate heat exchange channel 5222 are not in communication with each other, so that the heat conducting liquid in the first circuit 4 and the refrigerant in the second circuit 5 are not in communication with each other, but the refrigerant and the heat conducting liquid may perform heat exchange in the process of flowing on the plate heat exchanger 522 respectively.

As shown in fig. 4, in some embodiments of the chiller 10, the first heat exchanger 52 includes a shell-and-tube heat exchanger 523 with first and second shell-and-tube passages disposed on the shell-and-tube heat exchanger 523; the first shell-and-tube channel communicates with the first circuit 4 and the second shell-and-tube channel communicates with the liquid feed line 41 so that the refrigerant exchanges heat with the heat conductive liquid through the shell-and-tube heat exchanger 523.

It will be appreciated that the shell-and-tube heat exchanger 523 is a shell-and-tube heat exchange structure common in the related art, and may also be referred to as a shell-and-tube heat exchanger, by having the walls of the tube bundle enclosed in a housing as heat transfer surfaces. The first shell-and-tube channels are not communicated with each other, and the refrigerant and the heat-conducting liquid are not in contact with each other, so that the refrigerant and the heat-conducting liquid exchange heat in the process of flowing in the shell-and-tube heat exchanger 523, thereby reducing the temperature of the heat-conducting liquid flowing into the liquid storage tank 11.

As shown in fig. 6, in some embodiments of the water chiller 10, the separator 12 includes two separators 123 disposed within the tank 11, wherein one separator 123 defines a liquid inlet region 13 within the tank 11, and the other separator 123 defines a detection region 15 within the tank 11, and the outer side walls of the two separators 123 and the inner wall of the tank 11 together define a water supply region 14.

It will be appreciated that the two baffles 123 may be configured not to contact or bear against each other, but may also be configured to interconnect so long as they each define the intake zone 13 and the detection zone 15. The partition plate defining the liquid inlet region 13 is provided with a bubble isolation hole 121, and the bubble isolation hole 121 can prevent bubbles in the liquid inlet region 13 from flowing out.

As shown in fig. 7, in some embodiments of the water chiller 10, the separator 12 includes a first baffle 124 disposed in the liquid storage tank 11, and a second baffle 125 disposed on the first baffle 124, the second baffle 125 and the second baffle 125 are connected to form a T shape, the second baffle 125 defines a first limiting surface 1241 and a second limiting surface 1242 on the first baffle 124, the first limiting surface 1241 and the second baffle 125 together define a liquid inlet area 13 in the liquid storage tank 11, the second limiting surface 1242 and the second baffle 125 together define a detection area 15 in the liquid storage tank 11, a side surface of the first baffle 124 away from the second baffle 125 defines a water supply area 14 in the liquid storage tank 11, the first limiting surface 1241 is provided with a plurality of bubble isolation holes 121, the second limiting surface 1242 is provided with an overflow hole 122, and the overflow hole 122 is communicated with the detection area 15 and the water supply area 14.

It will be appreciated that the first and second baffles 124, 125 may be configured to be integrally formed together and may also be configured to be attached by bonding, welding, screwing, clamping, or the like. The areas of the first and second stop surfaces 1241 and 1242 may be equal or unequal.

As shown in fig. 8, in some embodiments of the chiller 10, the separator 12 further includes a mesh 126, the mesh 126 shielding the intake zone 13, and the thermally conductive liquid is conducted out through the outlet conduit and through the mesh 126 into the intake zone 13.

It will be appreciated that the mesh 126 can filter bubbles and impurities in the thermally conductive liquid, and can further prevent bubbles from affecting the detection accuracy of the detection device. The separator 12 is located above the liquid inlet zone 13.

As shown in fig. 1 and 5, in some embodiments of the chiller 10, the heating device 3 includes at least one heating element 31 for heating the thermally conductive liquid within the water supply section 14, the heating element 31 being disposed within the water supply section 14.

It is to be understood that the heating member 31 may be configured as a heating pipe, a heating belt, a heating pan, or the like, as long as the heat conductive liquid can be heated. The heating member 31 may be configured to be provided at the bottom, side wall, or any other position of the tank 11, etc., as long as it is capable of heating the heat conductive liquid.

As shown in fig. 1, in some embodiments of the water chiller 10, the water chiller 10 further includes an electric control device 7, wherein the electric control device 7 includes a control circuit board 71 and a control panel 72 electrically connected to the control circuit board 71, and the control circuit board 71 is electrically connected to the detection device 2 and the heating device 3.

It will be appreciated that the electronic control device 7 is used to control various electrical components in the chiller 10. The control circuit board 71 is used for receiving the control signal and controlling the corresponding electric elements to work according to the control signal. The control panel 72 may be configured as a touch panel or other key panel for the user to send control signals to the control circuit board 71 after operation.

As shown in fig. 1, the detection device 2 in some embodiments includes a level gauge 21 disposed within the detection zone 15, a water level switch 22 disposed within the detection zone 15, and a flow meter 23 disposed on the outlet line 42.

As will be appreciated, the level gauge 21 is used to detect the level of the thermally conductive liquid in the tank 11; the water level switch 22 is used to trigger when the level of the heat conducting liquid reaches or falls below a predetermined level. The flow meter 23 is used for detecting the flow rate of the heat-conducting liquid pumped to the external heating device through the liquid storage tank 11, so that excessive or insufficient heat-conducting liquid is prevented from being transmitted to the heating device, and the operation and use precision of the product is ensured.

The liquid level in the liquid storage tank 11 is detected in real time by the liquid level meter 21, and whether the water chiller 10 is operating normally can be determined based on this data as a determination condition for whether the water chiller 10 needs to be replenished or discharged. The water level switch 22 may be configured to be triggered in a high position or triggered in a low position, and when the water level switch 22 is triggered, the water chiller 10 performs corresponding protection measures.

As shown in fig. 1, in some embodiments of the chiller 10, the chiller 10 further includes a third circuit 6, the third circuit 6 including a drain pipe 61 and a makeup pipe 62, the drain pipe 61 and the makeup pipe 62 being in communication with the intake zone 13, respectively.

It will be appreciated that the third circuit 6 is used to replenish and drain the tank 11 of thermally conductive liquid. When the drain pipe 61 is opened, the heat conduction liquid in the liquid storage tank 11 can be discharged, and the liquid level of the heat conduction liquid can be reduced; when the water replenishing pipe 62 is opened, the heat conducting liquid is delivered to the liquid inlet area 13 to replenish the heat conducting liquid in the liquid storage tank 11.

When the pressure in the tank 11 is too high, the air may be discharged through the water supply pipe 62.

The implementation of the utility model has the following beneficial effects:

the utility model relates to a water chiller, wherein a heat conducting solution is contained in the water chiller through a liquid storage tank, and the heat conducting solution is used for carrying out heat exchange with heating components outside the water chiller. The space in the liquid storage tank is defined into a liquid inlet area, a water supply area and a detection area by the arrangement of the isolating piece, and the heat conducting liquid in the liquid inlet area can flow into the water supply area through the air bubble isolating hole by virtue of the arrangement of the air bubble isolating hole, but air bubbles can be isolated in the liquid inlet area; the arrangement of the overflow holes enables the heat conduction liquid in the water supply area to flow into the detection area, so that bubbles are effectively isolated in the liquid inlet area, and meanwhile, vibration generated when the heat conduction liquid flows in the liquid storage tank is prevented from being transmitted to the detection area, so that the heat conduction liquid in the detection area is kept stable, the detection by the detection device is facilitated, and the detection accuracy of products is improved;

secondly, heating device's setting can heat the heat conduction liquid, and the setting of second return circuit then can cool off the heat conduction liquid to make the unit can heat or cool off the outside heating device of unit, can be applicable to various heating devices, improved the universality.

The aspects of the present utility model have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments. Those skilled in the art will also appreciate that the acts and modules referred to in the specification are not necessarily required for the present utility model. In addition, it can be understood that the steps in the method of the embodiment of the present utility model may be sequentially adjusted, combined and pruned according to actual needs, and the modules in the device of the embodiment of the present utility model may be combined, divided and pruned according to actual needs.

The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. The water chilling unit is characterized by comprising a liquid storage device (1), a detection device (2) arranged on the liquid storage device (1), a heating device (3) arranged on the liquid storage device (1), a first loop (4) communicated with the liquid storage device (1) and a second loop (5) arranged on the liquid storage device (1);

the liquid storage device (1) comprises a liquid storage tank (11) for storing heat conduction liquid and a separator (12) arranged in the liquid storage tank (11); the separator (12) defines a liquid inlet region (13), a water supply region (14) and a detection region (15) in the liquid storage tank (11), at least one bubble isolation hole (121) and at least one overflow hole (122) are formed in the separator (12), the liquid inlet region (13) guides heat conduction liquid into the water supply region (14) through the bubble isolation hole (121), and the water supply region (14) is communicated with the detection region (15) through the overflow hole (122);

the detection device (2) is positioned in the detection area (15), and the heating device (3) is used for heating the heat conduction liquid in the water supply area (14);

the first loop (4) comprises a liquid inlet pipeline (41) communicated with the liquid inlet region (13) and a liquid outlet pipeline (42) communicated with the water supply region (14), the liquid inlet pipeline (41) is used for allowing heat conduction liquid to flow into the liquid inlet region (13), and the liquid outlet pipeline (42) is used for allowing heat conduction liquid in the liquid inlet region (13) to flow out;

the second loop (5) guides the refrigerant to flow along a preset track so as to enable the refrigerant to exchange heat with the heat-conducting liquid flowing into the liquid storage tank (11), so that the refrigerant absorbs heat of the heat-conducting liquid and conducts the heat out, and the temperature of the heat-conducting liquid is reduced.

2. The water chiller according to claim 1 wherein the first circuit (4) further comprises a water diversion structure (43), the water diversion structure (43) comprising a plurality of diversion holes (431) disposed on the first circuit (4), each of the diversion holes (431) being configured to allow a thermally conductive liquid to flow into the liquid inlet zone (13).

3. The water chiller according to claim 2, wherein the water diversion structure (43) comprises a water diversion pipe (432) communicated with the liquid inlet pipeline (41), the water diversion pipe (432) is provided with a plurality of water diversion holes (431), and the water diversion holes (431) are distributed in an equidistant array.

4. A water chiller according to claim 2 or 3 wherein part or all of the diversion holes (431) are located at the bottom of the liquid inlet zone (13).

5. The water chiller according to claim 1 wherein the first circuit (4) further comprises a liquid inlet valve (44) for controlling the on-off of the liquid inlet line (41), a liquid pump (45) for pumping a thermally conductive liquid, and a liquid outlet valve (46) for controlling the on-off of the liquid outlet line (42);

the liquid inlet valve (44) is arranged on the liquid inlet pipeline (41), and the liquid pump (45) and the liquid outlet valve (46) are arranged on the liquid outlet pipeline (42) in series.

6. The water chiller according to claim 1, wherein the second circuit (5) includes a refrigerant circuit (51) that guides the flow of the refrigerant, a first heat exchanger (52) provided on the refrigerant circuit (51), a second heat exchanger (53) provided on the refrigerant circuit (51), and a refrigerant conveyor (54) provided on the refrigerant circuit (51);

the refrigerant conveyer (54) drives the refrigerant to flow through the first heat exchanger (52) and the second heat exchanger (53) along the refrigerant loop (51), so that the refrigerant exchanges heat with the heat conduction liquid flowing into the liquid storage tank (11) through the first heat exchanger (52), and the refrigerant after temperature rise is led out of heat through the second heat exchanger (53).

7. The chiller according to claim 6 wherein the second heat exchanger (53) includes a radiator (531) in communication with the refrigerant circuit (51) and a radiator fan (532), the radiator fan (532) driving a gas through the radiator (531) such that refrigerant conducts heat out through the radiator (531).

8. The water chiller according to claim 6 or 7 wherein the first heat exchanger (52) comprises a coil evaporator (521), the coil evaporator (521) being disposed within the water supply section (14), the coil evaporator (521) being in communication with the refrigerant circuit (51);

or the first heat exchanger (52) comprises a plurality of coil evaporators (521), each coil evaporator (521) is positioned in the water supply section (14), and each coil evaporator (521) is communicated with the refrigerant circuit (51).

9. The water chiller according to claim 6 or 7 wherein the first heat exchanger (52) comprises a plate heat exchanger (522), the plate heat exchanger (522) having first and second plate heat exchange channels (5221, 5222) disposed thereon;

the first plate heat exchange channel (5221) is communicated with the liquid inlet pipeline (41), and the second plate heat exchange channel (5222) is communicated with the second loop (5), so that the refrigerant and the heat conduction liquid exchange heat through the plate heat exchanger (522).

10. The water chiller according to claim 6 or 7 wherein the first heat exchanger (52) comprises a shell-and-tube heat exchanger having a first shell-and-tube passage and a second shell-and-tube passage disposed thereon;

the first shell-and-tube channel is communicated with the first loop (4), and the second shell-and-tube channel is communicated with the liquid inlet pipeline (41), so that the refrigerant and the heat-conducting liquid exchange heat through the shell-and-tube heat exchanger.