KR20230049282A - A thermal management system for a heating element having a constant temperature fluid supply module - Google Patents

Abstract

The present invention relates to a thermal management system for a heating element and, more particularly, to a thermal management system for a heating element having constant-temperature fluid supply module, having a heat exchanger and a heater disposed in a reservoir tank, and having a circulation pump disposed in a support part provided on a lower part of the reservoir tank, thereby increasing cooling efficiency, increasing space efficiency, and reducing weight. The thermal management system for controlling the temperature of a heating element comprises: one or more chillers disposed of therein to cool the heating element that emits thermal energy; and the constant-temperature fluid supply module formed on one side of each of the chillers, and having a reservoir tank that can buffer temperature changes in a cooling fluid and the resulting volume changes or replenish an insufficient cooling fluid to supply, at all times, a fluid refrigerant at a constant temperature, the heat exchanger introducing a low-temperature refrigerant to exchange heat with the surrounding space or an object to be cooled, and the heater formed for an occasion in which fast heating is required, which are modularized.

Description

A thermal management system for a heating element having a constant temperature fluid supply module}

The present invention relates to a heat management system for a heating element, and in particular, a heat exchange means and a heater are disposed inside a reservoir tank, and a circulation pump is disposed within a lower support portion of the reservoir tank to improve cooling efficiency, achieve space efficiency, and reduce weight. It relates to a thermal management system for a heating element having a constant temperature fluid supply module.

In general, thermal management (or heat control) analyzes and effectively uses and manages the total amount of heat to achieve maximum effect with the minimum heat source in a place where heat is used, and for saving heat energy sources, equipment And a technique of investigating energy loss in each part and remodeling it by going back to the cause, and recently, it includes improving the temporal and spatial temperature distribution of the object to be heated.

In order to efficiently perform such thermal management, thermal management systems having various configurations are known throughout the industry.

As an example, in the field of defense industry, it can be applied to the defense of rockets, artillery shells, and mortar shells attacked by strategic missiles and dense troops, or in the fields of nuclear power plant demolition, oil drilling, and tunnel construction in general industry. In order to stably operate the laser of the applicable high-energy laser generator, a thermal management system for a heating element is essential to dissipate heat generated from a laser diode and a gain medium to the atmosphere.

Among the thermal management systems that manage the heating elements in a specific temperature range, especially in the case of a heating element such as a laser module, as shown in FIG. A water cooling thermal management system 100 consisting of a chiller 110 and a main thermal management system 120 is configured.

In addition, the chiller 110 is composed of a chiller and a buffer system. When the chiller 110 is controlled to cool in a state in which temperature fluctuations exist to some extent, the buffer system is a heater and a buffer in the middle of the main thermal management system 120 and the chiller. Minimize temperature fluctuations by using tanks, circulation pumps, and heat exchangers.

Although the chiller 110 shows only the components required for the most basic refrigeration cycle in FIG. 1, in reality, various components such as receivers, various control valves, gas-liquid separators, oil separators, and various sensors may be added.

In addition, the main thermal management system 120 actually manages heat by exchanging heat with a buffer system, not a refrigerator in the chiller 110. consists of etc.

In addition, as shown in FIG. 2, the thermal management or cooling system 200 to which the phase change cooling phenomenon using a refrigerant is applied is composed of a heating element 210, a condenser 220, a cooling fan 230, and a gas-liquid separator 240, , components are not significantly different from water cooling systems using cooling water.

However, since a refrigerant is used, a condenser is used instead of a radiator, and cooling in the heating element 210 is performed by phase change (boiling) convective heat transfer rather than general liquid phase convection heat transfer, and thus has excellent heat transfer performance.

Here, when a chiller is applied, the condenser and the cooling fan may be replaced by the chiller.

However, the conventional thermal management system for a heating element uses cooling water to thermally manage a laser, which is a heating element, by cooling and heating, which has lower heat transfer efficiency than phase change thermal management using a phase change effect in a traditional method, thereby securing the target cooling performance. To do this, the capacity of the thermal management system must be relatively increased, and accordingly, the volume, load, and power consumption of the thermal management system greatly increase.

In addition, in the conventional heat management system for heating elements, uniform temperature distribution in the heating part is one of the important factors determining the quality of the laser in the case of a laser. There is a problem in that the flow rate must be greatly increased for one temperature distribution, and accordingly, the capacity of the thermal management system is increased similarly to the above.

In addition, the conventional thermal management system for heating elements exchanges heat with cooling water in the cooling circuit through a heat exchanger to cool energy generated through a refrigerator while the laser is not operating, and stores the cooling energy in the regenerator, and stores the cooling energy in the regenerator while the laser is operating. Since the laser thermal management technology using the stored cooling energy, that is, the cooling energy generated by the refrigerator and the laser cooling circuit are connected in series, it is impossible to use the cooling energy generated by the refrigerator and the cooling energy stored in the refrigerator at the same time in a parallel structure. There is one problem.

Due to these problems and disadvantages, the conventional thermal management system for a heating element is not suitable for compactness and light weight for use in a vehicle.

Patent Publication No. 10-2010-0073204

Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to improve the cooling capacity and space An object of the present invention is to provide a thermal management system for a heating element having a constant temperature fluid supply module that maximizes efficiency and significantly reduces weight.

The present invention for achieving the above object is a thermal management system for controlling the temperature of a heating element, comprising: one or a plurality of chillers disposed to cool a heating element discharging thermal energy; A reservoir tank formed on one side of the chiller and serving as a buffer container to always supply cooling fluid at a constant temperature, a heat exchange means for introducing low-temperature refrigerant and exchanging heat with the cooling fluid in the reservoir tank, and A constant temperature fluid supply module in which a heater is modularized; It is characterized by consisting of.

The present invention is a thermal management system for a heating element having a constant-temperature fluid supply module, wherein the chiller comprises a compressor for compressing low-pressure gaseous refrigerant to a high-temperature and high-pressure temperature, and the high-temperature and high-pressure gaseous refrigerant transferred from the compressor heat exchanges with external air. It is characterized in that it comprises a condenser having a cooling fan for condensing and supercooling, and an expansion valve for reducing and reducing the temperature of the refrigerant condensed and supercooled in the condenser to an evaporation temperature by a throttling action.

The present invention is a thermal management system for a heating element having a constant temperature fluid supply module, characterized in that a heat exchange means including a heat exchanger and a cooling fluid distributor and a heater can be disposed inside the reservoir tank.

The present invention is characterized in that, in the thermal management system for a heating element having a constant temperature fluid supply module, a circulation pump is integrally further provided at the bottom or one side of the reservoir tank.

The present invention is a thermal management system for a heating element having a constant temperature fluid supply module, characterized in that a plurality of inlet pipes are formed on one side of the reservoir tank to ensure flow from each heating element.

The present invention is characterized in that in a thermal management system for a heating element having a constant temperature fluid supply module, the heating element is a laser or a laser module.

The present invention is a thermal management system for a heating element having a constant temperature fluid supply module, wherein the constant temperature fluid supply module improves the cooling capacity of a chiller when the pressure and temperature of the refrigerant inside the reservoir tank are higher than a reference value, and the pressure and temperature of the refrigerant inside the reservoir tank It is characterized in that the cooling capacity is lowered when the temperature is below the reference value.

The present invention is a thermal management system for a heating element having a constant temperature fluid supply module, wherein the cooling fluid distributor, heat exchanger, and heater disposed inside the reservoir tank are stacked in the order of the cooling fluid distributor, heat exchanger, and heater, or the cooling fluid distributor , it is characterized in that it can be stacked in the order of a heater, a heat exchanger.

The present invention is a thermal management system for a heating element having a constant temperature fluid supply module, wherein the cooling fluid distributor includes a plurality of pipes having one end closed and having a plurality of holes formed in the longitudinal direction on an upper surface to evenly distribute the refrigerant; It is coupled to communicate with the other end of each pipe and characterized in that it consists of a manifold having a cooling fluid inlet through which the cooling fluid passing through the heating element flows into the tile side.

The present invention is a thermal management system for a heating element having a constant temperature fluid supply module, wherein the heat exchanger includes a plurality of connection heads connecting stacked heat exchangers, and an inlet head and an outlet head connected to upper and lower ends of each connection head. characterized by

As described above, the present invention has the effect of maximizing the space efficiency of the thermal management system for heating elements, significantly reducing the weight, and improving the cooling capacity.

In addition, the present invention has an effect of improving cooling efficiency and miniaturizing the size of the thermal management system by generating forced convection inside the constant temperature fluid supply module through the heat exchange means.

1 is a diagram schematically showing the configuration of a heat management system for a heating element composed of a conventional chiller and a main heat management system.
2 is a diagram schematically showing the configuration of a multi-heating element thermal management system.
3 is an enlarged view of a laser module as a multi-heater.
4 is a diagram schematically showing the configuration of a thermal management system for a heating element having a constant temperature fluid supply module according to a preferred embodiment 1 of the present invention.
5 is a diagram schematically illustrating a flow of refrigerant in a thermal management system for a heating element having a constant temperature fluid supply module according to a preferred embodiment 1 of the present invention.
6 is a diagram schematically showing the configuration of a thermal management system for a heating element having a constant temperature fluid supply module according to a preferred embodiment 2 of the present invention.
7 is a diagram showing a constant temperature fluid supply module according to a preferred embodiment 2 of the present invention in more detail.
8 is a view separately showing the heat exchanging means according to the second preferred embodiment of the present invention.
9 is a view schematically showing the flow of refrigerant through the heat exchange means installed inside the constant temperature fluid supply module according to the second preferred embodiment of the present invention.
10 is a detailed view of a heat exchanger of a constant temperature fluid supply module according to a second preferred embodiment of the present invention.
11 is a diagram schematically illustrating a refrigerant flow in a thermal management system for a heating element having a constant temperature fluid supply module according to a second preferred embodiment of the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in more detail based on the accompanying drawings.

Here, components having the same function in all the drawings below use the same reference numerals, and repetitive descriptions are omitted, and terms to be described later are defined in consideration of the functions in the present invention, which has a unique commonly used meaning. to be interpreted as

Referring to FIG. 5, a thermal management system for a heating element having a constant temperature fluid supply module according to the present invention will be described as follows.

First, as shown in FIG. 4, the thermal management system 300 for a heating element having a constant temperature fluid supply module according to a preferred embodiment 1 of the present invention includes a chiller 320 for cooling the heating element 310, and a constant temperature fluid supply. It is largely divided into modules 330.

The heating element 310 is preferably composed of one or a plurality of lasers or laser modules that emit thermal energy.

However, it is not limited thereto and may be formed of other heating devices such as power electronic devices or batteries that emit thermal energy.

One or a plurality of chillers 320 are arranged to cool the heating element 310 emitting thermal energy.

That is, the chiller 320 has a compressor 321 that applies pressure to the gaseous refrigerant to convert the pressure and speed, and the high-temperature and high-pressure gaseous refrigerant transferred from the compressor 321 is condensed and supercooled by exchanging heat with the outside air. It comprises a condenser 322 having a cooling fan 322a.

Here, the chiller 320 has a form without an evaporator.

Also, the condenser 322 may include any device having cooling energy capable of condensing the refrigerant.

In addition, the chiller 320 may include an expansion valve 323 for reducing the high-temperature and high-pressure refrigerant condensed and liquefied in the condenser 322 to an evaporation temperature by a throttling action.

The constant-temperature fluid supply module 330 is formed on one side of the chiller 320 and can buffer the temperature change of the cooling fluid and the corresponding volume change or supplement the insufficient cooling fluid in order to always supply the cooling fluid at a constant temperature. It includes a reservoir tank 331 to allow low-temperature cooling fluid to flow in and heat exchange means 332 to exchange heat with a surrounding space or an object to be cooled, and a heater 333 formed for when rapid heating is required.

Here, the reservoir tank 331 is formed on one side of the chiller and serves as a buffer container to always supply a cooling fluid at a constant temperature.

And, the heat exchange means 332 serves to exchange heat with the cooling fluid in the reservoir tank 331 by introducing the low-temperature refrigerant.

In addition, the constant-temperature fluid supply module 330 further includes a circulation pump 334 that transfers the liquid refrigerant discharged through the reservoir tank 331 to one side or lower side of the reservoir tank 331 by using a pressure action. It is desirable to do

That is, according to the present invention, a high-efficiency constant temperature fluid supply module 330 integrating the reservoir tank 331, the heat exchanging means 332, the heater 333, and the circulation pump 334 can be implemented.

The operation relationship of the thermal management system for a heating element having the constant temperature fluid supply module according to the first embodiment of the present invention configured as described above will be described as follows.

As shown in FIG. 5, the low-temperature refrigerant of the chiller 320 introduced into the heat exchange means 332 exchanges heat with the high-temperature cooling fluid of the constant-temperature fluid supply module 330 that has passed through the heating element 310, and is in an overheated state. The gaseous refrigerant is compressed to a high temperature and high pressure by the compressor 321 and is moved to the condenser 322 .

The high-temperature and high-pressure gaseous refrigerant transported to the condenser 322 is condensed and supercooled by heat exchange with external air in the condenser 322 using the cooling fan 322a, and then reduced to the evaporation temperature by the expansion valve 323. It is moved back to the heat exchanging means 322.

Meanwhile, the cooling fluid of the constant temperature fluid supply module 330 transferred to the heating element 310 cools the heating element 310 and then flows into the heat exchanging means 332 .

At this time, when the cooling fluid is a refrigerant, the refrigerant may more efficiently cool the heating element 310 through a phase change (boiling) process.

The cooling fluid cooled through heat exchange in the heat exchange means 332 is transferred to the heater 333 and then introduced into the reservoir tank 331 to buffer the temperature change of the cooling fluid in the reservoir tank 331 and the resulting volume change, or By replenishing the insufficient cooling fluid, the cooling fluid is always maintained at a constant temperature.

Here, the heater 333 serves to increase the temperature or pressure by heating the cooling fluid when necessary.

Next, the process of transferring the cooling fluid introduced into the reservoir tank 331 to the heating element 310 by the operation of the circulation pump 334 is repeated.

Referring to FIG. 6, a thermal management system for a heating element having a constant temperature fluid supply module according to a preferred embodiment 2 of the present invention will be described as follows.

First, as shown in FIG. 6, the thermal management system 300 for a heating element having a constant temperature fluid supply module according to the second preferred embodiment of the present invention includes a chiller 320 for cooling the heating element 310, and a constant temperature fluid supply. Consisting of module 330 is the same as in Example 1.

However, the heat exchanging means 332 and the heater 333 are disposed inside the reservoir tank 331 of the constant temperature fluid supply module 330, and the circulation pump 334 is inside the lower support 331a for supporting the reservoir tank 331. ) was placed and modularized to maximize space and weight efficiency.

The reservoir tank 331 is a vertical tank with a sufficient capacity, and a skirt-type lower support part 331a with a wide bottom is formed at the lower part for support.

The reservoir tank 331 supported by the lower support part 331a is spaced apart from the floor at a predetermined height.

Here, the lower support portion 331a of the reservoir tank 331 is expressed in a rectangular parallelepiped shape instead of a skirt shape in FIG. 7 for convenience, but is not limited to a specific shape.

In addition, a plurality of inlet pipes 331b for cooling fluid flow to each heating element 310 are formed on one side of the reservoir tank 331 .

Also, it is preferable that the height of the reservoir tank 331 is formed to correspond to the height of the plurality of heating elements 310 disposed thereon.

In addition, the heat exchange means 332 and the heater 333 may be installed in the reservoir tank 331 to modularize the constant temperature fluid supply module 330 in a smaller size.

That is, the heat exchange means 332 and the heater 333 may be installed outside the reservoir tank 331 to form the constant temperature fluid supply module 330, but in order to achieve modularization in a smaller size, the heat exchange means 332 ) and the heater 333 are installed inside the reservoir tank 331, and the circulation pump 334 is integrally installed in the form of a module in the lower support 331a of the reservoir tank 331 to form a constant temperature fluid supply module 330 ) may be formed.

As such, the present invention uses a reservoir tank 331 having a sufficient capacity as shown in FIG. 7, disposes a heat exchanger 332 and a heater 333 inside the reservoir tank 331, and The circulation pump 334 is placed in the lower support 331a for supporting the tank 331 to maximize space and weight efficiency.

In addition, the heat exchange means 332 may be composed of a heat exchanger 332a and a cooling fluid distributor 332b as shown in FIG. 8, and the heater 333 may be a hot wire 333a or a heat exchanger. can be configured.

And, as shown in FIG. 10, the heat exchanger 332a includes a plurality of connection heads ch connecting the stacked heat exchangers 332a, and an inlet connected to the top and bottom of each connection head ch. It is preferably composed of a head (ih) and an outlet head (oh).

Here, each connection header ch of the heat exchanger 332a is preferably provided with a diaphragm pw.

The diaphragm pw of each connection header ch is formed to form a staggered shape with the diaphragm pw of the connection header ch facing each other.

Each of the connection headers (ch) of this configuration is in the form of connecting the stacked heat exchangers (332a), and the passage of the refrigerant can be determined through the diaphragm (pw) provided in the connection header (ch). That is, through the diaphragm pw, the passage of the liquid phase is gradually increased as the passage is small and the dryness increases, and the liquid refrigerant is introduced from the bottom to be vaporized and discharged to the top, thereby maximizing the flow by buoyancy after vaporization.

In addition, the connection headers ch of the heat exchanger 332a are divided at specific intervals in the horizontal direction, as if short heat exchanger laminated structures are arranged in parallel in the longitudinal direction.

In this way, the heat exchanger 332a serves as an evaporator and cools or condenses the cooling fluid by exchanging heat between the refrigerant of the chiller 320 and the cooling fluid of the constant temperature fluid supply module 330 . It is similar to the form of an air-cooled radiator or condenser.

The cooling fluid distributor (332b) has a plurality of pipes (P) having one end closed and a plurality of holes (h) formed in the longitudinal direction on the upper surface in order to evenly distribute the refrigerant, and each pipe (P) on one side. It is coupled to communicate with the other end and consists of a manifold (M) having a cooling fluid inlet (ri) through which the cooling fluid passing through the heating element 310 flows into the tile side.

The cooling fluid distributor 332b of this configuration serves to evenly distribute the cooling fluid heated by heat exchange while passing through the heating element 310 into the reservoir tank 331, and when the cooling fluid is a refrigerant, the two-phase refrigerant It serves to evenly distribute in the reservoir tank 331 in the form.

And, the cooling fluid distributor (332b) is described in the form of a plurality of holes (h) in a plurality of pipes (P) coupled to the manifold (M) in FIG. 8, but this can distribute the cooling fluid The shape is described and is not limited to a specific shape.

For example, when the cooling fluid is a refrigerant, the refrigerant supplied to the cooling fluid distributor 332b is transported in a two-phase flow form. As it is discharged from the cooling fluid distributor 332b, the right side of FIG. As shown, the refrigerant in the reservoir tank 331 is cooled while a flow passing through the heat exchanger 332a assembly in an upward direction occurs. That is, forced convection occurs in the heat exchanger 332a assembly due to the density difference between the gas phase and the liquid phase, so that the cooling efficiency increases and the size of the heat exchanging means 332 can be further miniaturized.

In addition, the heater 333 or the heating wire 333a, the heat exchanger 332a, and the cooling fluid distributor 332b disposed inside the reservoir tank 331 include the cooling fluid distributor 332b, the heat exchanger 332a, the heater 333 or the heating wire 333a may be stacked in order, or the cooling fluid distributor 332b, the heater 333 or the heating wire 333a, and the heat exchanger 332a may be stacked in this order.

Here, the stacking order of the heat exchanger 332a, the cooling fluid distributor 332b, and the hot wire 333a is as shown in FIG. may be

However, it is preferable that the cooling fluid distributor 332b be disposed at the bottom for even distribution of the cooling fluid.

In addition, the heating wire 333a serves as a heater to heat the cooling fluid in the reservoir tank 331 to increase the temperature or increase the pressure. When steam or the like is used, it may be a heat exchanger type instead of a heating wire.

In addition, the constant temperature fluid supply module 330 improves the cooling capacity of the chiller 320 when the pressure and temperature of the cooling fluid inside the reservoir tank 331 are higher than the reference value, and the pressure and temperature of the cooling fluid inside the reservoir tank 331 When is less than the reference value, the cooling capacity may be lowered.

To this end, the constant temperature fluid supply module 330 has a temperature sensor (reference numeral not shown) for measuring the temperature and pressure of the cooling fluid therein and a pressure sensor or a flow sensor (reference numeral not shown) for measuring transfer flow rate. Measuring means may be provided.

Here, the means for measuring the flow rate of the cooling fluid may be provided outside the constant temperature fluid supply module 330 .

The pressure sensor controls the chiller 320 using temperature and pressure values, and controls the internal heater 333 using the temperature sensor.

That is, the circulation pump 334 in the constant temperature fluid supply module 330 controls the rotational speed to control the flow rate, but finally controls the temperature and temperature distribution of the heating element 310 by controlling the dryness at the outlet of the heating element 310. do.

More specifically, the enthalpy at the inlet side of the heating element 310 is calculated using the temperature in the reservoir tank 331 and the pressure at the outlet of the circulation pump 334, and the flow rate to each heating element 310 and each calorific value or Dryness at the outlet of each heating element 310 or at the exit of all the heating elements 310 can be estimated by calculating the increased enthalpy using the flow rate and calorific value of the entire heating element 310 .

Dryness control is performed by increasing the flow rate when the dryness is greater than the control range and decreasing the flow rate when the dryness is below the control range.

In addition, in the thermal management system 300 for a heating element having a constant temperature fluid supply module according to the present invention, minor components such as on/off valves for on/off that do not require opening adjustment, sensors, and fittings are not illustrated, but those skilled in the art It is judged that anyone can recognize their necessary points for granted.

In the thermal management system 300 for a heating element having a constant temperature fluid supply module according to the present invention having such a configuration, a low-temperature liquid or two-phase refrigerant is supplied from the chiller 320 to the constant temperature fluid supply module 330, and the constant temperature fluid After evaporation through the supply module 330, it is transferred to the chiller 320 again as a gaseous refrigerant. In this process, the cooling fluid in the constant temperature fluid supply module 330 is cooled.

The operation relationship of the thermal management system for a heating element having the thermostatic fluid supply module according to the second embodiment of the present invention configured as described above will be described as follows.

As shown in FIG. 11, the cooling fluid transferred to the heating element 310 is formed in the reservoir tank 331 of the constant temperature fluid supply module 330 through each inlet pipe 331b after cooling the heating element 310. It flows into the heat exchange means 322. However, when the cooling fluid is a refrigerant, the heating element 310 can be cooled more efficiently through a phase change (boiling) process.

In addition, the cooling fluid flowing into the heat exchanging means 322 exchanges heat with the refrigerant of the chiller 320 to cool or condense the cooling fluid.

At this time, the cooling fluid distributor 332b evenly distributes the heated cooling fluid passing through the heating element 310 into the reservoir tank 331.

That is, the cooling fluid passing through the heating element 310 and flowing into the cooling fluid inlet ri formed in the manifold M of the cooling fluid distributor 332b passes through a plurality of holes h formed in each pipe P. While being ejected through, forced convection is created to cool the cooling fluid in the reservoir tank 331. However, when the cooling fluid is a refrigerant, forced convection through the heat exchanger 332a and the heater 333 in the upper direction occurs more actively due to the density difference with the liquid refrigerant in the reservoir tank 331 in the form of a two-phase refrigerant. while efficiently cooling the refrigerant in the reservoir tank 331.

At the same time, the low-temperature liquid or two-phase refrigerant supplied from the chiller 320 is introduced through the inlet head ih of the heat exchanger 332a and is supplied to the plurality of connection heads ch and each connection header ch. It is transported back to the chiller 320 through the outlet head oh through the formed diaphragm pw.

That is, the cooling fluid passed through the heating element 310 and supplied to the inside of the reservoir tank 331 by the cooling fluid distributor 332b and the refrigerant passed through the chiller 320 and supplied to the inside of the heat exchanger 332a exchange heat with each other.

In this way, low-temperature liquid or two-phase refrigerant is supplied from the chiller 320 to the constant temperature fluid supply module 330, evaporated through the constant temperature fluid supply module 330, and then transferred to the chiller 320 as gaseous refrigerant. do. In this process, the cooling fluid in the constant temperature fluid supply module 330 is cooled.

Here, the heater 333 serves to increase the temperature or pressure by heating the fluid in the reservoir tank 331 when necessary.

Subsequently, the cooling fluid cooled in the reservoir tank 331 of the constant temperature fluid supply module 330 is transported to the heating element 310 by the operation of the circulation pump 334 to cool the heating element 310 .

At this time, the constant-temperature fluid supply module 330 controls the chiller 320 through a measuring means (reference numeral not shown) for measuring the temperature and pressure of the fluid formed therein and measuring the transfer flow rate, and uses a temperature sensor to measure the internal temperature and pressure of the fluid. The heater 333 is controlled.

That is, the enthalpy at the inlet side of the heating element 310 is calculated using the temperature in the reservoir tank 331 and the pressure at the outlet of the circulation pump 334, and the flow rate and calorific value of each heating element 310 or the total heating element 310 ) by calculating the increased enthalpy using the flow rate and calorific value to estimate the dryness at the outlet of each heating element 310 or the outlet of all heating elements 310, and increase the flow rate when the dryness is greater than the control range, and below By controlling the dryness by reducing the flow rate, the temperature and temperature distribution of the heating element 310 are controlled.

Thereafter, the cooling fluid that cooled the heating element 310 moves to the constant temperature fluid supply module 330 again, exchanges heat with the refrigerant supplied from the chiller 320, and then repeats the supply process.

The present invention described above is not limited by the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes to other equivalent embodiments are possible within the scope of the technical spirit of the present invention. It will be clear to those skilled in the art to which the present invention pertains.

300: thermal management system for heating elements having a constant temperature fluid supply module
310: heating element 320: chiller
321: compressor 322: condenser
322a: cooling fan 323: expansion valve
330: constant temperature fluid supply module 331: reservoir tank
331a: lower support 331b: inlet pipe
332: heat exchange means 332a: heat exchanger
ch: connection head ih: inlet head
oh: exit head pw: diaphragm
332b: cooling fluid distributor P: piping
M : Manifold h : Hole
ri: refrigerant inlet 333: heater
333a: hot wire 334: circulation pump

Claims (10)

In the thermal management system for controlling the temperature of the heating element,
one or a plurality of chillers arranged to cool the heating element emitting thermal energy;
A reservoir tank formed on one side of the chiller and serving as a buffer container to always supply cooling fluid at a constant temperature, a heat exchange means for introducing low-temperature refrigerant and exchanging heat with the cooling fluid in the reservoir tank, and A constant temperature fluid supply module in which a heater is modularized; A thermal management system for a heating element having a constant temperature fluid supply module, characterized in that consisting of. According to claim 1,
The chiller is provided with a compressor for compressing the low-pressure gaseous refrigerant to a high temperature and high pressure, and a cooling fan for condensing and supercooling the high-temperature and high-pressure gaseous refrigerant transferred from the compressor by exchanging heat with external air, and condensing and supercooling in the condenser A thermal management system for a heating element having a constant temperature fluid supply module, characterized in that it comprises an expansion valve for reducing and reducing the temperature of the refrigerant to an evaporation temperature by a throttling action. According to claim 1,
A heat management system for a heating element having a constant temperature fluid supply module, characterized in that a heat exchange means comprising a heat exchanger and a cooling fluid distributor and a heater can be disposed inside the reservoir tank. According to claim 1,
A thermal management system for a heating element having a constant temperature fluid supply module, characterized in that a circulation pump is integrally further provided at the bottom or one side of the reservoir tank. According to claim 1,
A thermal management system for a heating element having a constant temperature fluid supply module, characterized in that a plurality of inlet pipes are formed on one side of the reservoir tank to ensure flow from each heating element. According to claim 1,
The heating element is a thermal management system for a heating element having a constant temperature fluid supply module, characterized in that a laser or a laser module. According to claim 1,
The constant temperature fluid supply module improves the cooling capacity of the chiller when the pressure and temperature of the refrigerant inside the reservoir tank are higher than the reference value, and lowers the cooling capacity when the pressure and temperature of the refrigerant inside the reservoir tank are lower than the reference value. A thermal management system for a heating element having a fluid supply module. According to claim 3,
The cooling fluid distributor, heat exchanger, and heater disposed inside the reservoir tank may be stacked in the order of the cooling fluid distributor, heat exchanger, and heater, or stacked in the order of the cooling fluid distributor, heater, and heat exchanger. A thermal management system for a heating element having a supply module. According to claim 3,
The cooling fluid distributor is coupled with a plurality of pipes having one end closed and having a plurality of holes formed in the longitudinal direction on the upper surface in order to evenly distribute the refrigerant, one side of which is coupled to communicate with the other end of each pipe, and a heating element on one side of the tile. A thermal management system for a heating element having a constant temperature fluid supply module, characterized in that it consists of a manifold having a cooling fluid inlet through which the cooling fluid passing through is introduced. According to claim 3,
The heat exchanger comprises a plurality of connection heads connecting the stacked heat exchangers, and an inlet head and an outlet head connected to upper and lower ends of each connection head. Thermal management system for a heating element having a constant temperature fluid supply module.

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