Water chilling unit capable of accumulating cold

Abstract

The utility model relates to the technical field of cold accumulation, and discloses a cold accumulation water chilling unit, which comprises a cold accumulation box, a controller, a cold accumulation pipeline part and a refrigeration unit, one side of the cold accumulation box is connected with the refrigeration unit through the cold accumulation pipeline part, the cold accumulation pipeline part comprises a third temperature sensor electrically connected with the controller, and the third temperature sensor is electrically connected with the controller. The third temperature sensor is arranged on a connecting pipeline between the output end of one side of the cold storage box and the second input end of the refrigeration unit; the other side of the cold storage box is used for conveying a cold source to the tail end; the refrigeration unit comprises a compressor electrically connected with the controller; according to the cold storage water chilling unit, when cold storage is needed, a large amount of refrigerating capacity is circularly stored in the cold storage box, and when the water chilling unit needs a large amount of refrigerating capacity within a short time or intermittently needs the large amount of refrigerating capacity, the large amount of refrigerating capacity can be released through the cold storage box so as to meet the use requirements of the water chilling unit in special occasions.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cold storage, especially relates to a cold water set of cold storage. BACKGROUND

[0002] The general cold water set that has been widely existed in the market at present can effectively realize the refrigeration function, provides the sustained and uniform cold water supply for the environment that needs the comfort or the process requirement, this kind of traditional cold water set is generally applicable to the occasion that the refrigeration capacity demand is sustained and uniform, however, when facing the uneven situation of refrigeration capacity demand, for example, needs a large amount of refrigeration capacity in a short time, or in some intermittent demand a large amount of refrigeration capacity occasion, this kind of traditional cold water set is not up to the task, because the traditional cold water set cannot provide the required large amount of refrigeration capacity in a short time, thus cannot satisfy the occasion that has the demand to the large amount of refrigeration capacity in a short time or intermittent large amount of refrigeration capacity.

[0003] This limitation leads to the process equipment cooling demand of rapid large heat dissipation, the traditional cold water set often cannot provide sufficient cooling effect, thereby making the reliability of equipment operation greatly discounted, in order to solve this problem, the market urgently needs a new type of cold water set, it can flexibly cope with various refrigeration demands, especially those sudden and intermittent high load cooling demand, ensures the stable operation of process equipment and the maximization of production efficiency.

[0004] It can be seen that the prior art still needs to be improved and improved. UTILITY MODEL CONTENT

[0005] In view of the above shortcomings of the prior art, the purpose of the utility model is to provide a cold water set of cold storage, can provide a large amount of refrigeration capacity for the end when the cold water set needs a large amount of refrigeration capacity in a short time or intermittent demand a large amount of refrigeration capacity.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A cold water set of cold storage, including cold storage tank, controller, cold storage pipe line part and refrigeration unit, one side of the cold storage tank is connected with the refrigeration unit through the cold storage pipe line part, the cold storage pipe line part includes the third temperature sensor that is electrically connected with the controller, the third temperature sensor is arranged on the connecting pipe line of the one side output end of the cold storage tank and the second input end of the refrigeration unit, the other side of the cold storage tank is used to deliver the cold source to the end, the refrigeration unit includes the compressor that is electrically connected with the controller.

[0008] The cold water unit with cold storage further comprises a water pump and a fourth temperature sensor electrically connected with the controller respectively; the second output end of the refrigeration unit is connected with one side input end of the cold storage tank through the water pump, and the fourth temperature sensor is arranged on the connecting pipeline between the second output end of the refrigeration unit and the water pump.

[0009] The cold water unit with cold storage further comprises a flow protector electrically connected with the controller, and the flow protector is arranged on the connecting pipeline between one side output end of the cold storage tank and the second input end of the refrigeration unit.

[0010] The refrigeration unit of the cold water unit with cold storage further comprises an evaporator, a condenser, a filter, an expansion valve and a condenser fan electrically connected with the controller; the evaporator, the compressor, the condenser, the filter and the expansion valve are sequentially connected in a head-tail mode to form a refrigeration cycle; and the condenser fan is arranged on one side of the condenser and used for reducing the temperature of the refrigerant in the condenser.

[0011] The refrigeration unit of the cold water unit with cold storage further comprises a first pressure sensor, a first temperature sensor, a second pressure sensor and a second temperature sensor electrically connected with the controller respectively; the first temperature sensor and the first pressure sensor are arranged on the connecting pipeline between the compressor and the condenser; and the second temperature sensor and the second pressure sensor are arranged on the connecting pipeline between the evaporator and the compressor.

[0012] The refrigeration unit of the cold water unit with cold storage further comprises a bypass pipeline part electrically connected with the controller, one end of the bypass pipeline part is connected with the connecting pipeline between the compressor and the condenser, and the other end of the bypass pipeline part is connected with the first output end of the evaporator.

[0013] The bypass pipeline part of the cold water unit with cold storage comprises a bypass on-off valve, a bypass regulating valve and a throttling device; one end of the bypass on-off valve is connected with the connecting pipeline between the compressor and the condenser, and the other end of the bypass on-off valve is connected with the first output end of the evaporator through the bypass regulating valve and the throttling device which are sequentially connected.

[0014] The cold storage tank in the cold water unit with cold storage is provided with a flow distributor and a flow equalizer; the second output end of the evaporator is connected with the flow distributor through one side input end of the cold storage tank; and the output end of the flow equalizer is connected with the second input end of the evaporator through one side output end of the cold storage tank.

[0015] Beneficial effects:

[0016] The utility model provides a cold water set of cold accumulation, when the cold water set needs to accumulate cold, through refrigeration unit cooperation cold accumulation pipeline part, with circulating storage mass refrigerating capacity in the cold accumulation tank, when the cold water set needs mass refrigerating capacity in short time or intermittent demand mass refrigerating capacity, through the cold accumulation tank releases mass refrigerating capacity, to satisfy the use demand of cold water set in special occasion, further, the controller can adjust the working condition of compressor according to the real -time third temperature information of third temperature sensor feedback, ensure that the cold capacity in the cold accumulation tank can satisfy the demand of cold accumulation temperature, to guarantee the sufficient supply of cold capacity, satisfy the use demand of mass refrigerating capacity when the cold water set executes refrigeration mode. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a cold water set of cold accumulation's structure schematic diagram;

[0018] Figure 2 The utility model provides a cold water set of cold accumulation's electric control structure drawing.

[0019] Main element symbol explanation: 1-cold accumulation tank, 11 - flow distributor, 12 - flow distributor, 21 - water pump, 22 - flow protector, 23 - third temperature sensor, 24 - fourth temperature sensor, 301 - compressor, 302 - condenser, 303 - filter, 304 - expansion valve, 305 - evaporator, 306 - condensing fan, 307 - first temperature sensor, 308 - first pressure sensor, 309 - second temperature sensor, 310 - second pressure sensor, 311 - bypass regulating valve, 312 - bypass on-off valve, 313 - throttling device, 4 - controller. DETAILED DESCRIPTION

[0020] The utility model provides a cold water set of cold accumulation, to make the purpose, technical scheme and effect of the utility model more clear, explicit, the following refers to the attached drawing and raises example to this utility model to make further detailed description.

[0021] In the description of the utility model, it is understood that the terms "installation", "connection" and the like should be broadly understood, and those skilled in the art can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0022] Please refer to Figure 1 And Figure 2The utility model provides a cold water set of cold accumulation, including cold accumulation tank 1, controller 4, cold accumulation pipe section and refrigeration unit, one side of cold accumulation tank 1 is connected with refrigeration unit through cold accumulation pipe section, cold accumulation pipe section includes the third temperature sensor 23 of electric connection with controller 4, the third temperature sensor 23 sets up one side output end of cold accumulation tank 1 with the connecting pipe line of second input end of refrigeration unit, another side of cold accumulation tank 1 is used to deliver cold source to the end, refrigeration unit includes the compressor 301 of electric connection with controller 4.

[0023] The application discloses a cold water set of cold accumulation, when the cold water set needs to accumulate cold, that is, when the controller 4 detects that the cold water set executes the cold accumulation mode, a large amount of refrigeration capacity is stored in the cold accumulation tank 1 through the refrigeration unit and the cold accumulation pipe section, when the cold water set needs a large amount of refrigeration capacity in a short time or needs a large amount of refrigeration capacity intermittently, a large amount of refrigeration capacity is released from the cold accumulation tank 1 to meet the use requirement of the cold water set in a special occasion; further, the controller 4 can adjust the working state of the compressor 301 according to the real-time third temperature information fed back by the third temperature sensor 23, so that the cold capacity in the cold accumulation tank 1 can meet the requirement of the cold accumulation temperature, thereby ensuring sufficient supply of the cold capacity and meeting the large refrigeration capacity use requirement when the cold water set executes the refrigeration mode.

[0024] In the embodiment, the controller 4 is the controller 4 of an existing cold water set, which is not described herein.

[0025] In the embodiment, referring to Figure 1 , the other side of the cold accumulation tank 1 is provided with a cold water supply pipe and a cold water return pipe, and the cold water supply pipe and the cold water return pipe are respectively used for connecting the end to deliver the cold source to the end.

[0026] Further, referring to Figure 1 and Figure 2 , the cold accumulation pipe section further includes a water pump 21 and a fourth temperature sensor 24 which are electrically connected with the controller 4; the second output end of the refrigeration unit is connected with the one-side input end of the cold accumulation tank 1 through the water pump 21, and the fourth temperature sensor 24 is arranged on the connecting pipe line between the second output end of the refrigeration unit and the water pump 21.

[0027] In the embodiment, the water pump 21 is used to realize the heat exchange circulation between the cold storage tank 1 and the refrigeration unit; the fourth temperature sensor 24 is arranged at the second output end of the evaporator 305, and the temperature of the cold source output by the second output port is relatively low after being cooled. When the outlet water temperature is lower than the preset protection action temperature, the evaporator 305 is extremely easy to freeze, and after freezing, the volume is expanded to crack the evaporator 305, causing the evaporator 305 to be damaged. Therefore, a protection mechanism is arranged for the evaporator 305 according to the real-time temperature fed back by the fourth temperature sensor 24. When the real-time temperature fed back by the fourth temperature sensor 24 is lower than the preset protection action temperature, the compressor 301 needs to be controlled to stop running, and the refrigeration is stopped to prevent the cold water main machine from being frozen.

[0028] Further, referring to Figure 1 and Figure 2 , the cold storage pipeline part further comprises a flow protector 22 electrically connected with the controller 4, and the flow protector 22 is arranged on the connecting pipeline between the one-side output end of the cold storage tank 1 and the second input end of the refrigeration unit.

[0029] In the embodiment, when the flow protector 22 detects an abnormal situation and disconnects, the controller 4 quickly reacts, automatically controls the compressor 301 to stop running, and simultaneously outputs a flow interruption alarm signal, so as to avoid the equipment damage caused by the flow abnormality, and also reminds the operator to take corresponding measures in time through the timely alarm, greatly improving the safety performance of the cold water unit during working.

[0030] Further, referring to Figure 1 and Figure 2 , the refrigeration unit further comprises an evaporator 305, a condenser 302, a filter 303, an expansion valve 304 and a condensing fan 306 electrically connected with the controller 4; the evaporator 305, the compressor 301, the condenser 302, the filter 303 and the expansion valve 304 are sequentially connected in series to form a refrigeration cycle; and the condensing fan 306 is arranged at one side of the condenser 302 and is used to reduce the temperature of the refrigerant in the condenser 302.

[0031] In the embodiment, the evaporator 305 serves as the starting point of the refrigeration cycle and is responsible for absorbing heat in the environment, while the compressor 301 compresses the refrigerant to increase its temperature and pressure, so as to release heat in the condenser 302. The condenser 302 is a key part of the system, and effectively reduces the temperature of the refrigerant through the assistance of the condensing fan 306, so as to ensure efficient heat discharge. The filter 303 and the expansion valve 304 are respectively responsible for removing impurities in the refrigerant and adjusting the flow of the refrigerant, so as to ensure smooth operation of the whole system.

[0032] Further, referring to Figure 1 andFigure 2 The refrigeration unit further comprises a first pressure sensor 308, a first temperature sensor 307, a second pressure sensor 310 and a second temperature sensor 309, which are electrically connected to the controller 4 respectively; the first temperature sensor 307 and the first pressure sensor 308 are arranged on the connecting pipeline between the compressor 301 and the condenser 302; the second temperature sensor 309 and the second pressure sensor 310 are arranged on the connecting pipeline between the evaporator 305 and the compressor 301.

[0033] In the embodiment, the first temperature sensor 307 and the first pressure sensor 308 are arranged on the connecting pipeline between the compressor 301 and the condenser 302, which are used to monitor the state of the high-temperature and high-pressure refrigerant discharged from the compressor 301 in real time, so as to ensure that the refrigerant reaches the ideal temperature and pressure before entering the condenser 302; while the second temperature sensor 309 and the second pressure sensor 310 are arranged on the connecting pipeline between the evaporator 305 and the compressor 301, which are responsible for monitoring the state of the low-temperature and low-pressure refrigerant returned from the evaporator 305 to the compressor 301, so as to ensure that the refrigerant reaches the appropriate conditions before re-entering the compressor 301.

[0034] Further, referring to Figure 1 and Figure 2 , the refrigeration unit further comprises a bypass pipeline part electrically connected to the controller 4, one end of the bypass pipeline part is connected to the connecting pipeline between the compressor 301 and the condenser 302, and the other end of the bypass pipeline part is connected to the first output end of the evaporator 305.

[0035] Further, referring to Figure 1 and Figure 2 , the bypass pipeline part comprises a bypass on-off valve 312, a bypass regulating valve 311 and a throttling device 313, one end of the bypass on-off valve 312 is connected to the connecting pipeline between the compressor 301 and the condenser 302, and the other end of the bypass on-off valve 312 is connected to the first output end of the evaporator 305 through the bypass regulating valve 311 and the throttling device 313 connected in sequence.

[0036] In the embodiment, by setting the bypass pipeline part, when the compressor 301 exhaust pressure rises substantially and is higher than the preset bypass working pressure range, the bypass pipeline part starts to work, and part of the refrigerant of the compressor 301 high pressure exhaust is bypassed into the suction port of the compressor 301 in time, so that even when the ambient temperature is very high and the condenser fan 306 is insufficiently cooled, pressure relief can be performed through the bypass pipeline part, thereby ensuring that the compressor 301 can still be stably and reliably operated at a very high ambient temperature; when the bypass pipeline part starts to work, the controller 4 controls the bypass on-off valve 312 to open to conduct the bypass pipeline, and the bypass regulating valve 311 is opened according to the preset opening degree; when the bypass pipeline part stops working, the controller 4 controls the bypass on-off valve 312 and the bypass regulating valve 311 to close to close the bypass pipeline.

[0037] Further, please refer to Figure 1 and Figure 2 , the evaporator 305 is connected with the diffuser 11 through one side of the cold storage tank 1, and the second input end of the evaporator 305 is connected with the output end of the flow equalizer 12 through one side of the cold storage tank 1.

[0038] In the embodiment, by setting the diffuser 11 and the flow equalizer 12 in the cold storage tank 1, the cooling efficiency and performance of the cold water unit that can be stored are significantly improved; first, the introduction of the diffuser 11 enables the coolant to be evenly distributed in the entire cold storage tank 1, avoiding the problem of uneven cooling effect caused by the accumulation of coolant in some areas. This uniform distribution feature ensures that every corner can be fully cooled, thereby improving the overall cold storage efficiency; secondly, the introduction of the radiator optimizes the flow path of the coolant, reduces the flow resistance, and further improves the flow efficiency of the coolant; in addition, the flow equalizer 12 connected with the second input end of the evaporator 305 through one side of the cold storage tank 1 ensures that the coolant can be uniformly mixed and distributed before returning to the evaporator 305. This uniform flow feature not only improves the utilization efficiency of the coolant, but also ensures that the evaporator 305 can operate in the best state, thereby improving the cold storage effect of the cold water unit that can be stored.

[0039] It can be understood that for those skilled in the art, equivalent replacement or change can be made according to the technical scheme and the utility model concept of the utility model, and all these changes or replacements shall belong to the protection scope of the utility model.

Claims

1. A chill water unit with cold storage, characterized by, The application relates to a cold storage device, which comprises a cold storage tank, a controller, a cold storage pipeline part and a refrigeration unit, one side of the cold storage tank is connected with the refrigeration unit through the cold storage pipeline part, the cold storage pipeline part comprises a third temperature sensor which is electrically connected with the controller, the third temperature sensor is arranged on a connecting pipeline between a one-side output end of the cold storage tank and a second input end of the refrigeration unit; the other side of the cold storage tank is used for delivering a cold source to a terminal end. The refrigeration unit comprises a compressor which is electrically connected with the controller.

2. The regeneratable chiller as recited in claim 1, wherein, The cold storage pipeline part further comprises a water pump and a fourth temperature sensor which are electrically connected with the controller; a second output end of the refrigeration unit is connected with a one-side input end of the cold storage tank through the water pump, and the fourth temperature sensor is arranged on a connecting pipeline between the second output end of the refrigeration unit and the water pump.

3. The regeneratable chiller of claim 2 wherein, The cold storage pipeline part further comprises a flow protector which is electrically connected with the controller, and the flow protector is arranged on a connecting pipeline between the one-side output end of the cold storage tank and the second input end of the refrigeration unit.

4. The regeneratable chiller of claim 1 wherein, The refrigeration unit further comprises an evaporator, a condenser, a filter, an expansion valve and a condenser fan which is electrically connected with the controller; the evaporator, the compressor, the condenser, the filter and the expansion valve are sequentially connected in a head-tail mode to form a refrigeration cycle; the condenser fan is arranged on one side of the condenser and is used for reducing the temperature of refrigerant in the condenser.

5. The regeneratable chiller of claim 4 wherein, The refrigeration unit further comprises a first pressure sensor, a first temperature sensor, a second pressure sensor and a second temperature sensor which are electrically connected with the controller; the first temperature sensor and the first pressure sensor are arranged on a connecting pipeline between the compressor and the condenser; the second temperature sensor and the second pressure sensor are arranged on a connecting pipeline between the evaporator and the compressor.

6. The regeneratable chiller of claim 5 wherein, The refrigeration unit further comprises a bypass pipeline part which is electrically connected with the controller, one end of the bypass pipeline part is connected with a connecting pipeline between the compressor and the condenser, and the other end of the bypass pipeline part is connected with a first output end of the evaporator.

7. The regeneratable chiller of claim 6 wherein, The bypass pipeline part comprises a bypass on-off valve, a bypass regulating valve and a throttling device, one end of the bypass on-off valve is connected with the connecting pipeline between the compressor and the condenser, and the other end of the bypass on-off valve is connected with the first output end of the evaporator through the bypass regulating valve and the throttling device which are sequentially connected.

8. The regeneratable chiller of claim 4 wherein, A flow distributor and a flow equalizer are arranged in the cold storage tank, a second output end of the evaporator is connected with the flow distributor through a one-side input end of the cold storage tank, and an output end of the flow equalizer is connected with a second input end of the evaporator through a one-side output end of the cold storage tank.

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