Efficient cooling-water machine

Abstract

The utility model discloses an efficient cooling-water machine which comprises a machine shell, and an installation cavity is formed in the machine shell. The water tank is provided with a water return connector and a water outlet connector. The heat exchanger is provided with a first heat exchange pipe and a second heat exchange pipe, one end of the first heat exchange pipe is communicated with the water return connector, and the other end of the first heat exchange pipe is communicated with a pipeline of external equipment; the refrigeration assembly comprises a compressor, a condenser, a drying filter and a capillary tube, an outlet of the compressor communicates with an inlet of the condenser, an outlet of the condenser communicates with an inlet of the drying filter, an outlet of the drying filter communicates with one end of the capillary tube, and the other end of the capillary tube communicates with one end of the second heat exchange tube. The other end of the second heat exchange pipe communicates with an inlet of the compressor. Heat exchange between water in the water tank and a refrigerant is achieved through the first heat exchange pipe and the second heat exchange pipe of the heat exchanger, cooling is conducted through cold water in the water tank, and the cooling amount and the cooling efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling equipment, in particular to a high-efficiency water chiller. Background Art

[0002] At present, with the rapid development of contemporary electronic technology, the integration degree and assembly density of electronic components have been continuously improved. While providing powerful usage functions, it has also led to a sharp increase in their working power consumption and heat generation. High temperature will have a harmful impact on the stability, reliability, and lifespan of electronic components. For example, excessive temperature will endanger the nodes of semiconductors, damage the connection interfaces of circuits, increase the resistance of conductors, and cause mechanical stress damage.

[0003] Therefore, ensuring that the heat generated by heat-generating electronic components can be discharged in a timely manner has become an important aspect of the assembly of microelectronic product systems. Therefore, it is necessary to ensure higher cooling capacity and higher temperature control accuracy with high precision.

[0004] The equipment used for cooling equipment mainly includes the following two types of equipment commonly used for cooling in industries such as semiconductor manufacturing, optical equipment, and new energy: a semiconductor cooler and a water chiller.

[0005] The existing water chiller mainly compresses the refrigerant inside through a compressor to increase the temperature and pressure to form a gas and enter the condenser. The heat of the refrigerant is released in the form of air cooling to form a low-temperature and high-pressure liquid, which enters the evaporator after passing through the capillary tube. Through the heat exchange between the evaporator and the laser, the refrigerant absorbs heat and vaporizes and then returns to the compressor for the next cycle. The compression-type water chiller has the characteristics of high precision, high refrigeration efficiency, reliable performance, and long lifespan. However, in principle, it cools down through a series of devices, and correspondingly, it also requires a very large space and an increase in mass. Content of the Utility Model

[0006] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a high-efficiency water chiller, which can realize the heat exchange between the water in the water tank and the refrigerant through the first heat exchange tube and the second heat exchange tube of the heat exchanger, and cool down with the cold water in the water tank to improve the cooling capacity and the cooling efficiency.

[0007] The purpose of the utility model is achieved by the following technical solutions:

[0008] A high-efficiency water chiller, comprising

[0009] A machine shell, an installation cavity is arranged inside the machine shell;

[0010] A water tank, a return water interface and a water outlet interface are arranged on the water tank, and the water outlet interfaces are all used for communicating with the pipelines of external equipment;

[0011] Heat exchanger, the heat exchanger is provided with a first heat exchange tube and a second heat exchange tube. One end of the first heat exchange tube is communicated with the return water interface, and the other end of the first heat exchange tube is communicated with the pipeline of an external device; the first heat exchange tube and the second heat exchange tube exchange heat with each other.

[0012] Refrigeration component, the refrigeration component is installed in the installation cavity; the refrigeration component includes a compressor, a condenser, a dryer filter and a capillary tube. The outlet of the compressor is communicated with the inlet of the condenser, the outlet of the condenser is communicated with the inlet of the dryer filter, the outlet of the dryer filter is communicated with one end of the capillary tube, and the other end of the capillary tube is communicated with one end of the second heat exchange tube. The other end of the second heat exchange tube is communicated with the inlet of the compressor.

[0013] Furthermore, the heat exchanger includes two heat exchange plates. The first heat exchange tube is arranged in both of the two heat exchange plates, and the second heat exchange tube is arranged between the two heat exchange plates.

[0014] Furthermore, a heating component is arranged in the water tank, and the heating component is used for heating the water in the water tank; the heating component is a heating rod; a temperature detector is arranged in the water tank, and the temperature detector is used for detecting the water temperature in the water tank.

[0015] Furthermore, a flow meter is arranged at the return water interface, and the flow meter is used for detecting the water flow introduced at the return water interface; a water level gauge is arranged in the water tank; the water level gauge is used for detecting the water level in the water tank.

[0016] Furthermore, the machine shell further includes a cooling fan. The air inlet of the cooling fan faces the condenser and is used for guiding the heat of the condenser to be led out of the installation cavity.

[0017] Furthermore, the machine shell includes a back plate, an end plate and two side plates. The two side plates are connected between the two sides of the back plate and the end plate; an air outlet is arranged on the back plate; an air inlet is arranged on the side plate; the cooling fan is installed on the back plate, and both sides of the condenser are respectively connected to the two side plates.

[0018] Furthermore, a circuit control main board is arranged on the end plate; a leakage protection switch is arranged on the outer side of the end plate, and the leakage protection switch is electrically connected to the circuit control main board.

[0019] Furthermore, a positioning frame is further arranged in the installation cavity. The positioning frame includes a top positioning plate and two side positioning plates. The two side positioning plates are connected to both sides of the top positioning plate and enclose a positioning space; the condenser is installed in the positioning space; the side positioning plate is connected to the side plate; the top positioning plate is connected to the top wall of the installation cavity.

[0020] Further, the cooling fan, the condenser, the compressor, and the water tank are sequentially arranged at intervals in the length direction of the installation cavity; the water tank is arranged side by side with the heat exchanger.

[0021] Further, a water injection interface and a ventilation port are provided on the casing, and a diaphragm pump and a water pump are arranged in the installation cavity; one end of the diaphragm pump is communicated with the water injection interface, and the other end of the diaphragm pump is communicated with the water inlet of the water tank; the water pump is communicated with the water tank; the ventilation port is conducted with the water tank through an exhaust pipe.

[0022] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0023] The cold water in the water tank enters the pipeline of the external device through the water outlet interface of the water tank. After cooling the external device, the water in the pipeline of the external device after cooling and heat exchange is then introduced into the first heat exchange tube of the heat exchanger. The water flow in the first heat exchange tube exchanges heat with the refrigerant in the second heat exchange tube. After heat exchange, the heat is transferred to the refrigerant. The refrigerant brings the heat to the condenser and finally dissipates it into the environment. After the first heat exchange tube and the second heat exchange tube of the heat exchanger exchange heat, it becomes cold water and then returns to the water tank through the water return interface of the water tank. The cold water in the water tank is then guided to the external device through the water outlet interface to realize circulating heat dissipation. In this way, the combination of the heat exchanger and the water tank ensures that the capacity of the water tank can provide sufficient cold water for cooling to improve the cooling efficiency of the external device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic diagram of the overall external structure of the water chiller of the present utility model;

[0025] Figure 2 is another perspective schematic diagram of the overall external structure of the water chiller of the present utility model;

[0026] Figure 3 is an exploded schematic diagram of the internal structure of the water chiller of the present utility model;

[0027] Figure 4 is another perspective exploded schematic diagram of the internal structure of the water chiller of the present utility model.

[0028] In the figure: 10, casing; 11, back panel; 111, air outlet; 12, side panel; 121, air inlet; 13, end plate; 14, positioning frame; 141, top positioning plate; 142, side positioning plate; 15, water injection interface; 16, ventilation port; 21, leakage protection switch; 22, circuit control main board; 31, condenser; 32, compressor; 33, cooling fan; 40, water tank; 50, heat exchanger. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described:

[0030] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0032] Such as Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, an efficient water chiller includes a machine shell 10, a water tank 40, a heat exchanger 50, and a refrigeration component. An installation cavity is provided in the machine shell 10. The water tank 40 is installed in the installation cavity of the machine shell 10, and a return water interface and a water outlet interface are provided on the water tank 40. The water outlet interface can be communicated with the pipeline of an external device.

[0033] Specifically, the heat exchanger 50 includes a first heat exchange tube and a second heat exchange tube, and the first heat exchange tube and the second heat exchange tube can exchange heat with each other. One end of the first heat exchange tube is communicated with the return water interface of the water tank 40, and the other end of the first heat exchange tube is communicated with the pipeline of the external device.

[0034] In addition, the refrigeration component is installed in the installation cavity; the refrigeration component includes a compressor 32, a condenser 31, a dryer filter, and a capillary tube. The outlet of the compressor 32 is communicated with the inlet of the condenser 31, the outlet of the condenser 31 is communicated with the inlet of the dryer filter, the outlet of the dryer filter is communicated with one end of the capillary tube, the other end of the capillary tube is communicated with one end of the second heat exchange tube, and the other end of the second heat exchange tube is communicated with the inlet of the compressor 32.

[0035] Based on the above structure, when using the water chiller of the present utility model, during refrigeration, the compressor 32 is connected to the condenser 31, the condenser 31 is connected to the dryer filter, the dryer filter is connected to the capillary copper tube, the capillary tube is then connected and communicated with one end of the second heat exchange tube of the heat exchanger 50, and the other end of the second heat exchange tube is connected and communicated to the compressor 32 to form a refrigerant closed loop, and the refrigerant circulates in the closed loop.

[0036] In addition, the water outlet interface on the water tank 40 is connected to one end of the cooling pipeline of an external heating device (such as a semiconductor manufacturing device, a laser, etc.), the other end of the cooling pipeline is connected to one end of the first heat exchange tube, and the other end of the first heat exchange tube is connected to the water return interface of the water tank 40, so that the water pipe is used to supply water circulation. And the water circulation loop and the refrigerant closed loop can conduct heat exchange.

[0037] In the refrigeration system, the refrigerant circulates between the compressor 32, the condenser 31, the dryer filter, the capillary tube and the heat exchange tube in the water tank 40 under the action of the compressor 32. The compressor 32 compresses the low-temperature and low-pressure refrigerant into high-temperature and high-pressure steam. In the condenser 31, the heat of the gaseous refrigerant is dissipated into the environment, so that it condenses into a low-temperature and high-pressure liquid. The dryer filter filters the moisture and impurities in the refrigerant to protect the refrigeration module. The capillary tube reduces the pressure of the low-temperature and high-pressure liquid refrigerant to prepare for evaporation and enters the second heat exchange tube. Here, due to the sudden increase in space, the liquid refrigerant will quickly evaporate into gas, absorbing a large amount of heat at the same time, and conducting heat exchange with the water in the first heat exchange tube. The cooling water in the first heat exchange tube flows to the water tank 40 through the water return interface of the water tank 40. The water tank 40 stores the cooling water and flows to the cooling pipeline of an external heating device (such as a semiconductor manufacturing device, a laser, etc.) through the water outlet interface. After the cooling water in the cooling pipeline absorbs heat, it takes away the heat, so as to achieve the purpose of cooling. The cooled water flow in the cooling pipeline of the external heating device enters the first heat exchange tube again to conduct heat exchange with the second heat exchange tube, conducts heat exchange and cooling, and then starts the next cycle.

[0038] The cooling process of the whole set of equipment is as follows: the cold water in the water tank enters the pipeline of the external device through the water outlet interface of the water tank. After cooling the external device, the water in the pipeline of the external device after cooling and heat exchange is then introduced into the first heat exchange tube of the heat exchanger. The water flow in the first heat exchange tube conducts heat exchange with the refrigerant in the second heat exchange tube. After heat exchange, the heat is transferred to the refrigerant. The refrigerant takes the heat to the condenser and finally dissipates it into the environment. After the first heat exchange tube and the second heat exchange tube of the heat exchanger conduct heat exchange, it becomes cold water and then flows back into the water tank through the water return interface of the water tank. The cold water in the water tank is then guided to the external device through the water outlet interface to realize circulating heat dissipation. In this way, the combination of the heat exchanger and the water tank ensures that the water tank capacity can provide sufficient cold water for cooling to improve the cooling efficiency of the external device.

[0039] It should be noted that the above capillary tube is specifically a capillary copper tube in the prior art, and the compressor 32 is a micro-adjustment direct current compressor 32; and the above compressor 32, dryer filter and capillary copper tube are all common devices used for refrigeration in the prior art, and their specific working principles and structures do not belong to the technical content to be protected by this application, so they will not be elaborated in detail here.

[0040] Furthermore, the heat exchanger 50 includes two heat exchange plates. The first heat exchange tubes are provided in both of the two heat exchange plates, and the second heat exchange tube is provided between the two heat exchange plates. Since the second heat exchange tube is clamped between the two heat exchange plates and a plurality of first heat exchange tubes are arranged in both of the two heat exchange plates, the water in the first heat exchange tubes can fully exchange heat with the refrigerant in the second heat exchange tube, maximizing the heat exchange area, improving the refrigeration efficiency in the first heat exchange tubes, thereby enabling a larger cooling water capacity in the water tank 40 and high heat exchange efficiency of the refrigeration system.

[0041] Furthermore, a heating component is provided in the water tank 40 in this embodiment. The heating component can heat the water in the water tank 40. Specifically, the above-mentioned heating component is a heating rod, and it can also be realized by a heating coil or a heating resistor, etc.

[0042] When the water temperature needs to be raised, the water in the water tank 40 can be heated by the heating rod, which plays a role in heating and raising the temperature. Specifically, the user can control the water temperature in the water tank 40 according to the actual required cooling water temperature. The heating rod heating method plays a role in temperature compensation for the water temperature in the water tank 40 and plays an auxiliary role in precise temperature control.

[0043] Specifically, a temperature detector can also be provided in the water tank 40. The temperature detector can be realized by a temperature sensor. The water temperature in the water tank 40 can be detected through the temperature detector. When the water temperature detected by the temperature detector is higher than the set temperature, the rotation speed of the compressor 32 increases, the refrigeration capacity increases, and the water temperature decreases; when the water temperature detected by the temperature detector is lower than the set temperature, the rotation speed of the compressor 32 decreases, the refrigeration capacity decreases, and the water temperature rises.

[0044] Furthermore, a flow meter is provided at the return water interface. The flow meter is used to detect the water flow introduced at the return water interface. In this way, the flow rate entering the water tank 40 can be monitored through the flow meter. At the same time, a water level gauge is provided in the water tank 40; the water level gauge is used to detect the water level in the water tank 40. The water level in the water tank 40 is monitored through the water level gauge, which plays an automatic protection role in case the working water level is too low and can facilitate timely water replenishment.

[0045] Of course, a drain interface can also be provided at the bottom of the water tank 40. The drain interface is connected to a drain pipe and can be used to drain the water in the water tank 40, facilitating regular cleaning.

[0046] Furthermore, a water pump can be provided in the installation cavity in this embodiment. The water pump can be connected to the water tank 40. In this way, the water pump can work to replenish water in the water tank 40, and the water pump can start and stop according to the detection results of the flow meter and the water level gauge, so as to better control the water volume and water level in the water tank 40.

[0047] In this embodiment, a water injection interface 15 and a ventilation port 16 can be provided on the casing. The water tank has a water inlet. A diaphragm pump 60 and a water pump are provided in the installation cavity. One end of the diaphragm pump 60 is communicated with the water injection interface 15, and the other end of the diaphragm pump 60 is communicated with the water inlet of the water tank. When water is inlet, the diaphragm pump 60 operates, and the water flow of the external water supply device is guided by the diaphragm pump 60 and introduced into the water injection interface through the water inlet pipeline, and then introduced into the water inlet of the water tank through the pipeline communicated with the water injection interface. The diaphragm pump can control the water volume.

[0048] In addition, the ventilation port 16 on the casing can be conducted with the water tank through an exhaust pipe. The exhaust pipe can discharge the bubbles generated during the water filling or the operation of the water pump in the water tank to the ventilation port 16 to remove air.

[0049] Furthermore, the casing 10 further includes a cooling fan 33, and the air inlet 121 of the cooling fan 33 faces the condenser 31 and is used to guide the heat of the condenser 31 to be exported outside the installation cavity. In this way, by setting the cooling fan 33 in the casing 10, when refrigeration is performed, the heat of the condenser 31 is guided by the cooling fan 33 and exported outside the installation cavity. The gaseous refrigerant in the condenser 31 dissipates heat into the environment under the action of the fan, improving the efficiency.

[0050] Furthermore, the casing 10 can further include a back plate 11, an end plate 13 and two side plates 12. The two side plates 12 are connected between the two sides of the back plate 11 and the end plate 13. An air outlet 111 is provided on the back plate 11, and an air inlet 121 is provided on one of the side plates 12; the cooling fan 33 is installed on the back plate 11, and both sides of the condenser 31 are installed on the side plates 12. In this way, when guiding and dissipating the heat of the condenser 31, the cooling fan 33 can be started, and the external air flow can be introduced through the air inlet 121 on the side plate 12. Then the air flow flows the heat on the surface of the condenser 31, and then the cooling fan 33 guides the heat and exports it through the air outlet 111.

[0051] The casing 10 in this embodiment includes a back plate 11, an end plate 13, two side plates 12, a top plate and a bottom plate. The edges of two adjacent plates are connected and fixed by screws in a frame, which plays a role of connection and positioning, and also plays a role of supporting and bearing the internal components.

[0052] Further, to achieve the positioning and installation of the condenser 31, a positioning frame 14 may also be provided in the installation cavity. The positioning frame 14 includes a top positioning plate 141 and two side positioning plates 142. The two side positioning plates 142 are connected to both sides of the top positioning plate 141 and enclose a positioning space. When assembling the condenser 31, the condenser 31 extends into and is installed in the positioning space through the bottom end of the positioning frame 14, and then the side of the condenser 31 is connected to the side positioning plate 142, and the top of the condenser 31 is connected to the top positioning plate 141 to achieve positioning assembly. The side positioning plate 142 of the positioning frame 14 is connected to the side plate 12; the top positioning plate 141 is connected to the top wall of the installation cavity. The positioning frame 14 can position the condenser 31, reduce the shaking caused by the flow of refrigerant during use, and reduce the use noise.

[0053] Further, a circuit control main board 22 is provided on the end plate 13; a leakage protection switch 21 is provided on the outside of the end plate 13, and the leakage protection switch 21 is electrically connected to the circuit control main board. The circuit control main board 22 can integrate the working circuits of the above-mentioned electric components such as the cooling fan 33, water level gauge, flow meter, compressor 32, temperature detector, water pump, etc., which is convenient for centralized control. In addition, a leakage protection switch 21 can also be provided on the outside of the end plate 13, and the leakage protection switch 21 is electrically connected to the circuit control main board, so that leakage protection can be carried out.

[0054] Further, the cooling fan 33, the condenser 31, the compressor 32, and the water tank 40 are arranged at intervals in the length direction of the installation cavity; the water tank 40 is arranged side by side with the heat exchanger 50. In this way, by arranging the cooling fan 33, the condenser 31, the compressor 32, and the water tank 40 vertically and arranging them compactly in sequence inside the machine shell 10, the whole refrigeration main unit has a small volume and a light weight.

[0055] For those skilled in the art, various corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all these changes and deformations should fall within the protection scope of the claims of the present utility model.

Claims

1. An efficient chiller, characterized in that, including, a casing, within which there is an installation cavity; a water tank, on which there are a return water interface and a water outlet interface, and the water outlet interfaces are all used for communicating with the pipelines of external devices; a heat exchanger, which is provided with a first heat exchange tube and a second heat exchange tube. One end of the first heat exchange tube is in communication with the return water interface, and the other end of the first heat exchange tube is in communication with the pipelines of external devices; the first heat exchange tube and the second heat exchange tube exchange heat with each other; a refrigeration component, which is installed in the installation cavity; the refrigeration component includes a compressor, a condenser, a drying filter and a capillary tube. The outlet of the compressor is in communication with the inlet of the condenser, the outlet of the condenser is in communication with the inlet of the drying filter, the outlet of the drying filter is in communication with one end of the capillary tube, the other end of the capillary tube is in communication with one end of the second heat exchange tube, and the other end of the second heat exchange tube is in communication with the inlet of the compressor; a heating component is provided in the water tank, and the heating component is used for heating the water in the water tank; the heating component is a heating rod; a temperature detector is provided in the water tank, and the temperature detector is used for detecting the water temperature in the water tank.

2. The high-efficiency chiller according to claim 1, characterized in that, the heat exchanger includes two heat exchange plates, and the first heat exchange tube is provided in both of the two heat exchange plates, and the second heat exchange tube is provided between the two heat exchange plates.

3. The high-efficiency chiller according to claim 1, wherein a flowmeter is provided at the return water interface, and the flowmeter is used for detecting the water flow introduced at the return water interface; a water level gauge is provided in the water tank; the water level gauge is used for detecting the water level in the water tank.

4. The high-efficiency water chiller according to any one of claims 1-3, characterized in that, the casing further includes a cooling fan, the air inlet of the cooling fan faces the condenser and is used for guiding the heat of the condenser to be led out of the installation cavity.

5. The high-efficiency chiller according to claim 4, characterized in that, the casing includes a back plate, an end plate and two side plates, and the two side plates are connected between the two sides of the back plate and the end plate; an air outlet is provided on the back plate; an air inlet is provided on the side plate; the cooling fan is installed on the back plate, and both sides of the condenser are respectively connected to the two side plates.

6. The high-efficiency chiller according to claim 5, wherein, a circuit control main board is provided on the end plate; a leakage protection switch is provided on the outer side of the end plate, and the leakage protection switch is electrically connected to the circuit control main board.

7. The high-efficiency water chiller according to claim 5, characterized in that, a positioning frame is further provided in the installation cavity. The positioning frame includes a top positioning plate and two side positioning plates. The two side positioning plates are connected to both sides of the top positioning plate and enclose a positioning space; the condenser is installed in the positioning space; the side positioning plates are connected to the side plates; the top positioning plate is connected to the top wall of the installation cavity.

8. The high-efficiency chiller according to claim 4, wherein the cooling fan, the condenser, the compressor and the water tank are arranged at intervals in the length direction of the installation cavity in sequence; the water tank and the heat exchanger are arranged side by side.

9. The high-efficiency chiller according to any one of claims 1-3, characterized in that a water injection interface and a ventilation port are provided on the casing; a diaphragm pump and a water pump are provided in the installation cavity; one end of the diaphragm pump is in communication with the water injection interface, the other end of the diaphragm pump is in communication with the water inlet of the water tank; the water pump is in communication with the water tank; the ventilation port is in communication with the water tank through an exhaust pipe.

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