TWI769018B - Fluid Diversion Control System - Google Patents

Abstract

A fluid split control system includes a refrigeration device for supplying working fluid, a split device for communicating with the refrigeration device, a monitoring device for signal connection to the split device, and a heat exchange device for communication with the split device. The shunt device includes a number of electronic shunts that communicate with the refrigeration device. Each electronic shunt has an inlet channel and an outlet channel through which the working fluid flows. The monitoring device signal is connected to the electronic shunts for controlling the flow of each outlet. The heat exchanging device includes a plurality of heat exchanging elements respectively communicating with the electronic shunts. Each heat exchange element communicates with the refrigeration device and can receive the working fluid from the corresponding electronic shunt, and discharge the working fluid back to the refrigeration device, so as to achieve the effect of a fluid split cooling cycle.

Description

Fluid Diversion Control System

The present invention relates to a circulation system, in particular to a fluid distribution control system.

Referring to FIG. 1 , a conventional refrigeration cycle device includes a refrigeration device 11 and a heat exchange device 12 connected to the refrigeration device 11 . The refrigeration device 11 is used to condense a refrigerant and provide the refrigerant to the heat exchange device 12 . The heat exchange device 12 exchanges heat with the external environment through the refrigerant, thereby reducing the temperature of the external environment, and provides the refrigerant with a higher temperature to the refrigeration device 11 to complete the fluid circulation. However, in order to improve operating efficiency and save costs in response to market demand, it is necessary to perform heat exchange in several independent environments at the same time. During the whole process, not only attention should be paid to the flow pressure of the refrigerant, but also the flow of the refrigerant must be precisely controlled. achieve the same cooling effect. Therefore, how to improve the refrigeration cycle device and simultaneously cool several independent environments to the same temperature to achieve the effects of equalizing flow, equalizing pressure and equalizing temperature has become the goal of the industry.

Therefore, the purpose of the present invention is to provide a fluid distribution control system that can achieve equal flow, equal pressure and equal temperature.

Therefore, the fluid split control system of the present invention includes a refrigeration device, a split device connected to the refrigeration device, a monitoring device connected to the split device by a signal, and a heat exchange device connected to the split device. The refrigeration device provides a working fluid. The shunt device includes a number of electronic shunts that communicate with the refrigeration device. Each electronic flow divider has an inlet channel for receiving the working fluid discharged from the refrigeration device, and an outlet channel for communicating with the inlet channel and used for discharging the working fluid. The monitoring device signal is connected to the electronic flow dividers for controlling the flow rate of the working fluid discharged from each outlet. The heat exchange device includes a plurality of heat exchange elements respectively connected to the electronic flow dividers, each heat exchange piece is connected to the upstream of the refrigeration device, and the corresponding electronic flow divider can receive the working fluid and discharge the working fluid Fluid returns to the refrigeration unit.

The effect of the present invention is: through the cooperation between the electronic shunts and the monitoring device, the flow rate of the outlet of each electronic shunt can be accurately controlled to achieve a uniform shunt operation and control each downstream heat exchange element. The cooling capacity can be increased, and the effects of equalizing flow, equalizing pressure and equalizing temperature can be achieved, so as to improve the operation efficiency, which is beneficial to meet the market demand, so it can indeed achieve the purpose of the present invention.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

Referring to FIG. 2 and FIG. 3 , it is a first embodiment of the fluid distribution control system of the present invention, comprising a refrigeration device 2 , a diversion device 3 connected to the refrigeration device 2 , and a monitoring device 4 connected to the diversion device 3 by a signal, and a heat exchange device 5 connected to the flow dividing device 3 .

The refrigeration device 2 is used to condense a working fluid and provide the working fluid to the flow dividing device 3 . Wherein, the working fluid is a refrigerant, but not limited thereto. In the first embodiment, the refrigeration device 2 is preferably a combination of a compressor 21 and a condenser 22, but not limited to this, as long as the working fluid can be provided. The compressor 21 is used for receiving the backflow and gaseous working fluid, and compressing the working fluid. The condenser 22 is connected to the compressor 21 and is used for converting the working fluid into low-temperature high-pressure liquid and conveying the working fluid. working fluid to the diverter device 3 .

The flow dividing device 3 includes a first mechanical flow divider 31 which communicates with the downstream of the refrigeration device 2 , a second mechanical flow divider 32 which communicates with the downstream of the heat exchange device 5 and the upstream of the refrigeration device 2 , and six communication devices. The electronic shunts 33 downstream of the first mechanical shunt 31 and the upstream of the heat exchange device 5 , six first pipes 34 connecting the electronic shunts 33 and the heat exchange device 5 respectively, and six A second pipeline 35 connecting the heat exchange device 5 and the second mechanical flow divider 32 .

The first mechanical diverter 31 extends along a first axis L1 and has a first inlet end 311 and a first outlet end 312 opposite to the first inlet end 311 . The first inlet end 311 forms a first confluence port 3101 for the first axis L1 to pass through and communicate with the downstream of the refrigeration device 2 and for receiving the working fluid discharged from the refrigeration device 2 . The first outlet end 312 forms six annularly arranged around the first axis L1 and communicates with the first manifold 3101 , and communicates with the first manifolds 3102 of the electronic shunts 33 respectively.

The second mechanical diverter 32 extends along a second axis L2 and has a second inlet end 321 and a second outlet end 322 opposite to the second inlet end 321 . The second inlet end 321 forms six annularly arranged around the second axis L2 and communicates with the downstream of the heat exchange device 5 for receiving the second branch ports 3201 discharged from the heat exchange device 5 . The second outlet end 322 forms a second confluence port for the second axis L2 to pass through and communicate with the second branch ports 3201 and the upstream of the refrigeration device 2 for discharging the working fluid to the refrigeration device 2 . 3202.

It should be noted that, in other embodiments, the first mechanical shunt 31 or the second mechanical shunt 32 can have different implementations in appearance and shape, and the structure shown in FIG. 3 is not used. The form is limited, and the structural form shown in Figure 4 can also be presented for different needs.

Referring to FIG. 2 and FIG. 3 , the electronic flow dividers 33 are respectively connected to the first flow separation ports 3102 of the first mechanical flow divider 31 and are connected to the upstream of the heat exchange device 5 . Wherein, each electronic flow divider 33 is preferably an expansion valve or a flow proportional valve, but not limited thereto, and has an inlet channel 331 that communicates with the corresponding first flow divider port 3102 for receiving the working fluid, and an outlet channel 332 communicating with the inlet channel 331 and used to discharge the working fluid to the heat exchange device 5 . In addition, it should be noted that, in the first embodiment, if the working fluid undergoes a phase change, each electronic flow divider 33 is preferably selected from an expansion valve. If the working fluid does not undergo a phase change, each electronic diverter 33 is preferably selected from a flow proportional valve.

The first pipelines 34 are respectively connected to the outlet channels 332 , and the inner diameters and lengths of the first pipelines 34 are the same as each other, so that the discharge from the electronic flow dividers 33 can be further uniformized. the pressure and flow of the working fluid. The second pipelines 35 are respectively connected to the second distribution ports 3201 of the second mechanical flow divider 32, and the inner diameters and lengths of the second pipelines 35 are the same, so that further The pressure and flow of the working fluid discharged by the heat exchange device 5 are uniformly uniform.

The monitoring device 4 is connected to the electronic shunts 33 and the heat exchange device 5 by signals, and can receive and process the temperature information of the heat exchange device 5, thereby controlling the flow rate of the working fluid discharged from each outlet 332, and further The pressure and flow of the working fluid in each first conduit 34 are distributed appropriately. In addition, the monitoring device 4 can control each outlet channel 332 to discharge the same flow, but can also adjust each outlet channel 332 to discharge a different flow according to requirements, and the first embodiment is not limited to this.

The heat exchange device 5 includes a plurality of first pipes 34 connected to the downstream of the outlet channels 332 respectively, and a plurality of second pipes 35 connected to the upstream heat of the second branch ports 3201 respectively. Exchange piece 51. Each heat exchange element 51 is signal-connected to the monitoring device 4 and can transmit its temperature information to the monitoring device 4, and can receive the working fluid from the corresponding electronic shunt 33 and discharge the working fluid to the refrigeration device 2. In the first embodiment, each heat exchanging element 51 is a cooling tank for cooling an electronic component or a test jig (not shown in the figure), so as to conduct the reliability test of the electronic component, but the The use environment of the first embodiment is not limited to this. It should also be noted that, since the monitoring device 4 is connected to the heat exchange elements 51 by signals, it can receive and process the temperature information of each heat exchange element 51, and adjust the corresponding electronic shunt 33 according to the temperature information. flow rate, thereby controlling the temperature of the heat exchange element 51 .

When the first embodiment is used, the heat exchange elements 51 respectively perform reliability tests on the electronic components (not shown), thereby performing heat exchange to cool the electronic components. First, the working fluid with lower temperature is delivered from the refrigeration device 2 to the first mechanical flow divider 31 , and passes through the first confluence port 3101 and the first flow divider ports 3102 of the first mechanical flow divider 31 . Structural design, the first splitting operation is performed, thereby preliminarily homogenizing the working fluid. Then, the working fluid is discharged from the first mechanical shunt 31 to the electronic shunts 33, and the flow rate of each electronic shunt 33 is adjusted through the control of the monitoring device 4, thereby adjusting the pressure of the working fluid and flow rate, so as to carry out the second splitting operation. Furthermore, when the electronic shunts 33 discharge the working fluid to the heat exchanging elements 51 respectively, so that the heat exchanging elements 51 have the ability to exchange heat with the electronic components respectively, so as to perform the operation of split cooling, It can even achieve uniform cooling according to demand. Finally, the working fluid is discharged from the heat exchange elements 51 to the second mechanical diverter 32 through the structural design of the second diverter ports 3201 and the second confluence port 3202 of the second mechanical diverter 32 , perform the confluence operation, and discharge the working fluid to the refrigeration device 2 to complete the fluid circulation.

Therefore, the flow rate of the outlet channel 332 of each electronic shunt 33 can be precisely controlled by the monitoring device 4, so that the effect of shunt uniformity as high as 95% can be achieved. Furthermore, by performing the shunt operation in advance through the first mechanical shunt 31 , not only can the shunt uniformity be further improved, but also the pressure on the electronic shunts 33 can be reduced, thereby reducing the probability of the electronic shunts 33 being damaged. , to increase the service life. Furthermore, the second mechanical diverter 32 can achieve the effect of physical confluence through the structural design, uniform pressure between the confluence pipes, and further improve the overall performance.

In addition, the above-mentioned numbers of the first diverter ports 3102, the second confluence ports 3202, the electronic diverters 33, the first pipelines 34 and the second pipelines 35 are only examples. An embodiment is not limited to this, and the actual number can be adjusted according to different requirements.

In addition, it should be noted that, referring to FIG. 5 , in other embodiments, the first mechanical flow divider 31 and the second mechanical flow divider 31 may be omitted if the requirements for the pressure uniformity and temperature uniformity of the working fluid are low. The mechanical shunt 32 is changed to be connected to each other by welding the relevant pipelines connecting the electronic shunts 33 and the heat exchanging elements 51 with the inlet and outlet pipelines of the refrigeration device 2 through the two sleeves 6, thereby also connecting with each other. Diversion and collection can be completed. Therefore, the equipment components can be simplified according to the actual requirements, the manufacturing cost and installation space can be further reduced, and the applicability can be greatly improved.

Referring to FIG. 6 , it is a second embodiment of the fluid distribution control system of the present invention. The difference from the first embodiment is that the working fluid is low-temperature ice water, and the refrigeration device 2 includes a mechanical A water storage tank 23 downstream of the diverter 32 , a pump 24 connected to the downstream of the water storage tank 23 and connected to the upstream of the first mechanical diverter 31 , and a water storage tank 23 for heat exchange with the water storage tank 23 the condenser part 25. The pump 24 is used for sucking the working fluid in the water storage tank 23 , and pressurized to deliver the working fluid to the diversion device 3 for diversion operation. The condensing element 25 has a heat exchange pipe 251 extending through the water storage tank 23 and used for conveying a refrigerant, whereby the heat exchange pipe 251 exchanges heat with the working fluid in the water storage tank 23 to cool the heat exchange pipe 251 in the water storage tank 23. The working fluid in the water tank 23 . Each electronic flow divider 33 is preferably a flow proportional valve for adjusting the flow and pressure of the working fluid in liquid phase. Wherein, the refrigerant and the working fluid only transfer heat, and there is no mass transfer between the two. The second embodiment can cool normal temperature water to low temperature ice water, and perform subsequent cooling operations accordingly.

Referring to FIG. 7 , it is a third embodiment of the fluid distribution control system of the present invention. The difference from the first embodiment is that the distribution device 3 further includes a plurality of solenoid valves that communicate with the condenser 22 of the refrigeration device 2 . 36 , and several capillary pipes 37 respectively connecting the solenoid valves 36 and the heat exchanging elements 51 . Each solenoid valve 36 is signal-connected to the monitoring device 4 and can be driven by the monitoring device 4 to control the working fluid to be discharged to the corresponding capillary line 37 . Each capillary line 37 is used for conveying the working fluid discharged from the corresponding solenoid valve 36 to the corresponding heat exchanging element 51 . The numbers of the electronic flow dividers 33, the first pipelines 34, the solenoid valves 36, the capillary pipelines 37, and the heat exchange elements 51 shown in FIG. 7 are only examples. The three embodiments are not limited to the number shown in FIG. 7 .

When the heat exchanging elements 51 are to test the components under test with higher power (eg 5G electronic elements or 3D packaged electronic elements), since the cooling capacity of the heat exchanging elements 51 only connected to the electronic shunts 33 may There is not enough to test the element under test, causing the temperature of the element under test to rise and deviate from the preset temperature value. At this time, the third embodiment can control the opening and closing of the solenoid valves 36 after receiving the temperature feedback signals of the heat exchanging elements 51 through the monitoring device 4, thereby supplementing the working fluid to the heat exchanging elements 51, In order to improve its cooling capacity, the temperature of the component to be measured can be returned to the preset temperature value. In addition, in another use case, when the component under test is to perform a full voltage test at a certain point in the test process, so that the component under test will instantly generate a high temperature when the full voltage is activated, in order to avoid the waiting test at this moment. If the components are burnt out, the monitoring device 4 can be set by the computer to open the solenoid valves 36 in advance, thereby instantly replenishing the working fluid to the heat exchange elements 51 to temporarily increase the cooling capacity, so as to avoid the heat exchange The cooling capacity of the component 51 is momentarily insufficient, so that the waiting element is burned out. Furthermore, since the working fluid discharged from the condenser 22 is a high-pressure liquid, the flow rate can be further controlled through the capillary lines 37 to reduce the pressure, so as to facilitate the gasification of the working fluid to achieve the effect of evaporating and absorbing heat, so as to facilitate the Improve the ability of heat exchange.

In addition, it should be noted that in the third embodiment, the inlet pipes of the solenoid valves 36 and the discharge pipes of the condenser 22 are welded and communicated with each other through a sleeve 6, thereby completing the diversion operation. Of course, the third embodiment can also communicate with the inlet pipeline of the solenoid valves 36 and the discharge pipeline of the condenser 22 through a first mechanical diverter 31 , but the third embodiment is not limited to this. In addition, when the capillary pipes 37 are connected to the heat exchanging elements 51 , the capillary pipes 37 may be respectively connected to the first pipes 34 , or the capillary pipes 37 may be directly connected to the heat exchanging elements 51 , respectively. , the third embodiment is not limited to this, as long as the working fluid can be delivered to the heat exchange elements 51 .

To sum up, the fluid splitting control system of the present invention performs two splitting operations through the splitting device 3 to precisely control the cooling capacity of each heat exchange element 51 , thereby performing split cooling operations, further improving the operation efficiency and the Applicability, in order to achieve the effects of equalizing current, equalizing pressure and equalizing temperature, it can indeed achieve the purpose of the present invention.

However, the above are only examples of the present invention, and should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the application for patent of the present invention and the content of the patent specification are still within the scope of the present invention. within the scope of the invention patent.

11: Refrigeration unit

12: heat exchange device

2: Refrigeration device

21: Compressor

22: Condenser

23: Water storage tank

24: Pump

25: Condensation Parts

251: heat exchange tube

3: shunt device

31: The first mechanical diverter

3101: The first manifold

3102: First shunt

311: First entry port

312: First exit port

32: Second mechanical diverter

321: Second entry port

322: Second outlet port

3201: Second shunt

3202: Second manifold

33: Electronic Shunt

331: Entryway

332: Exit Road

34: The first pipeline

35: Second pipeline

36: Solenoid valve

37: capillary line

4: Monitoring device

5: heat exchange device

51: heat exchange parts

6: Casing

L1: the first axis

L2: Second axis

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: 1 is a schematic diagram of a cycle, illustrating a conventional refrigeration cycle device; FIG. 2 is a schematic diagram of a cycle, illustrating a first embodiment of a fluid splitting control system of the present invention; 3 and 4 are both perspective views illustrating different implementations of a first mechanical shunt or a second mechanical shunt of the shunt device of the first embodiment; FIG. 5 is a schematic diagram of a cycle, illustrating another implementation aspect of the first embodiment; Figure 6 is a schematic diagram of a cycle, illustrating a second embodiment of the fluid split control system of the present invention; and FIG. 7 is a fragmentary schematic diagram illustrating a third embodiment of a fluid splitting control system of the present invention.

2: Refrigeration device

21: Compressor

22: Condenser

3: shunt device

31: The first mechanical diverter

32: Second mechanical diverter

33: Electronic Shunt

331: Entryway

332: Exit Road

34: The first pipeline

35: Second pipeline

4: Monitoring device

5: heat exchange device

51: heat exchange parts

Claims (12)

A fluid diversion control system comprising: a refrigeration device, providing a working fluid; A shunt device, communicating with the refrigeration device, and comprising a plurality of electronic shunts communicating with the refrigerating device, each electronic shunt has an inlet channel for receiving the working fluid discharged from the refrigerating device, and an inlet channel communicating with the inlet channel and using an outlet for discharging the working fluid; a monitoring device, signally connected to the electronic diverters, for controlling the flow rate of the working fluid discharged from each outlet; and A heat exchange device, comprising a plurality of heat exchange elements respectively connected to the electronic flow dividers, each heat exchange piece is connected to the upstream of the refrigeration device, and the corresponding electronic flow divider can receive the working fluid and discharge the working fluid The working fluid is returned to the refrigeration unit. The fluid splitting control system of claim 1, wherein the splitting device further comprises a first mechanical splitter connecting the refrigeration device and the electronic splitters, and the first mechanical splitter is along a first axis It extends and has a first inlet end and a first outlet end opposite to the first inlet end, the first inlet end forms a first confluence port that communicates with the refrigeration device, and the first outlet end forms a plurality of The first confluence ports are respectively communicated with the first branch ports of the inlet channels. The fluid flow splitting control system of claim 1, wherein the flow splitting device further comprises a second mechanical flow splitter connecting the refrigeration device and the heat exchange device, the second mechanical flow splitter extending along a second axis And has a second inlet end, and a second outlet end opposite to the second inlet end, the second outlet end forms a second confluence port that communicates with the refrigeration device, and the second inlet end forms a plurality of The two confluence ports are respectively communicated with the second branch ports of the heat exchanging elements. The fluid distribution control system according to claim 1, wherein the distribution device further comprises a plurality of first pipelines respectively connecting the electronic distributors and the corresponding heat exchange elements, and the first pipelines The inner diameter and length are the same. The fluid splitting control system according to claim 3, wherein the splitting device further comprises a plurality of second pipelines respectively communicating with the heat exchange elements and the corresponding second splitting ports, and the second pipelines are connected with each other. The inner diameter and length are the same. The fluid distribution control system of claim 2, wherein the first axis passes through the first confluence port, and the first distribution ports are annularly arranged around the first axis. The fluid distribution control system of claim 3, wherein the second axis passes through the second confluence port, and the second distribution ports are annularly arranged around the second axis. The fluid diverter control system of claim 1, wherein each electronic diverter is selected from an expansion valve or a flow proportional valve. The fluid distribution control system according to claim 1, wherein the working fluid is a refrigerant, and the refrigeration device is a combination of a compressor and a condenser. The fluid distribution control system according to claim 1, wherein the working fluid is low-temperature ice water, the refrigeration device comprises a water storage tank connected to the heat exchange device, a water storage tank connected to the flow distribution device and used for pressurized transportation The pump of the working fluid, and a condensing element connected to the water storage tank and used for heat exchange with the water storage tank. The fluid distribution control system of claim 1, wherein the monitoring device is connected to the heat exchanging elements with a signal, and can receive temperature information of each heat exchanging element and adjust the flow rate of the corresponding electronic flow divider. The fluid distribution control system as claimed in claim 1, wherein the distribution device further comprises a plurality of solenoid valves connected to the refrigeration device and signally connected to the monitoring device, and a plurality of solenoid valves respectively connected to the heat exchange elements , and the capillary pipeline for conveying the working fluid, each solenoid valve can be driven by the monitoring device to control the discharge of the working fluid.

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