CN109526189A - A kind of ring-like micro-channel heat exchanger and its fluidic heat exchange of fluids experimental provision - Google Patents
A kind of ring-like micro-channel heat exchanger and its fluidic heat exchange of fluids experimental provision Download PDFInfo
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- CN109526189A CN109526189A CN201811441760.0A CN201811441760A CN109526189A CN 109526189 A CN109526189 A CN 109526189A CN 201811441760 A CN201811441760 A CN 201811441760A CN 109526189 A CN109526189 A CN 109526189A
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- ring
- runner
- micro
- heat exchanger
- channel
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20327—Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
Abstract
The invention discloses a kind of ring-like micro-channel heat exchanger and its fluidic heat exchange of fluids experimental provisions, including substrate and U-type groove, wherein U-type groove is two, described two U-type grooves are sticked in the opposite sides of substrate respectively, the substrate includes upper cover plate and lower cover plate, wherein lower cover plate is equipped with four channels, every channel is by level-one runner, the ring-like runner of second level and oblique runner composition, wherein the level-one runner in each channel is divided into two parts, two parts level-one runner is respectively arranged at the both ends of lower cover plate, the ring-like runner of second level is wherein connected among two parts level-one runner, wherein the ring-like runner intermediate region of second level is equipped with multiple oblique runners, the upper cover plate and lower cover plate Gai Heke make closed separate space of each channel as a both ends open, straight line parallel where wherein straight line where four channels is connect with two U-type grooves.
Description
Technical field
The invention belongs to microchannel enhanced technical field of heat dissipation more particularly to a kind of ring-like micro-channel heat exchangers and its fluid
Fluid interchange experimental provision.
Background technique
With the rapid development of the technologies such as MEMS and super large-scale integration, the volume of electronic equipment is increasingly
It is small, and power and integrated level increase substantially, the generation of high heat flux density becomes a kind of irresistible trend, if not
Can take away these heats rapidly, electronic device will due to high temperature cisco unity malfunction, or even burn, heat dissipation effect is in addition to wanting
Guarantee that the temperature of electronic product is lower outer, also needs to reduce the temperature difference between each device of electronic product.Traditional radiating mode is not
It is able to satisfy the cooling requirements of high load capacity electronic device.For this reason, it may be necessary to which some novel radiator structures or cooling medium solve height
Heat dissipation problem in the electronic equipment of heat flow density.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of ring-like micro-channel heat exchanger and its stream are provided
Body fluid interchange experimental provision, overcome in the prior art 1: traditional radiating mode is not able to satisfy dissipating for high load capacity electronic device
Heat request；2: traditional heat exchanger heat exchange efficiency is low；3: the problems such as temperature environment of electronic device is unreliable.
In order to solve technical problem, the technical scheme is that a kind of ring-like micro-channel heat exchanger, including substrate and U
Type groove, wherein U-type groove is two, and described two U-type grooves are sticked in the opposite sides of substrate respectively, and the substrate includes upper cover plate
And lower cover plate, wherein lower cover plate is equipped with four channels, and every channel is by level-one runner, the ring-like runner of second level and oblique runner
Composition, wherein the level-one runner in each channel is divided into two parts, two parts level-one runner is respectively arranged at the two of lower cover plate
End wherein connects the ring-like runner of second level among two parts level-one runner, wherein the ring-like runner intermediate region of second level is inclined equipped with multiple
Inclined flow passage, the upper cover plate and lower cover plate Gai Heke make closed separate space of each channel as a both ends open, wherein
Straight line parallel where straight line where four channels is connect with two U-type grooves.
Preferably, four channels are uniformly and what is be parallel to each other is set to lower cover plate, and wherein level-one runner is linear type
The section of runner, the ring-like runner of second level is annular, and wherein the ring-like runner both ends of second level are separately connected two of level-one runner
Point, the oblique runner includes two parts and the setting that intersects, wherein every part oblique runner number is three and mutually puts down
Row.
Preferably, the U-type groove is equipped with afflux groove and through-hole, and wherein the number of through-hole is four, the afflux groove difference
It is connected with four through-holes, wherein four through-holes are arranged in parallel, the both ends that the substrate is equipped with channel can be with afflux groove card
Docking is closed, the U-type groove side is additionally provided with syphon for gauge.
Preferably, it is equipped with boss on the inside of the afflux groove, wherein substrate both ends are equipped with groove, convex on the inside of the afflux groove
Platform can be sticked in the groove of substrate.
Preferably, a kind of as above described in any item fluidic heat exchange of fluids experiments for testing ring-like micro-channel heat exchanger
Device, including peristaltic pump, radiator, liquid cooler bin, fluid supply tank and test section, wherein test section includes ring-like microchannel
Heat exchanger, the peristaltic pump are connected between fluid supply tank and test section, and wherein the other end of test section is connected by pipeline
Radiator, the radiator other end connect liquid cooler bin by pipeline, and wherein the liquid cooler bin other end is connected by pipeline
Connect fluid supply tank.
It preferably, further include flow-stop valve, wherein flow-stop valve includes the first flow-stop valve and the second flow-stop valve, wherein the first fluid stopping
Valve is set between peristaltic pump and test section, wherein the second flow-stop valve is set between liquid cooler bin and fluid supply tank.
Preferably, the test section further includes temperature sampler, pressure gauge, electric heater unit, current divider and junction station,
Middle current divider one end connects peristaltic pump by pipeline, and the current divider other end connects ring-like micro-channel heat exchanger by pipeline,
Wherein the ring-like micro-channel heat exchanger other end connects junction station by pipeline, and the junction station other end is connected by pipeline and radiated
Device, the electric heater unit include DC power supply and heat source, and wherein heat source connects DC power supply, and the heat source is set to ring-like micro-
One end face of channel heat exchanger, the temperature sampler be separately connected the inlet end and an outlet end of ring-like micro-channel heat exchanger, heat source,
Liquid cooler bin and fluid supply tank, the pressure gauge are separately connected the inlet end and an outlet end of ring-like micro-channel heat exchanger.
Preferably, the current divider includes the first water inlet pipe and the first outlet pipe, wherein the first water inlet pipe and the first water outlet
Pipe connection, the number of first water inlet pipe are one, wherein the number of the first outlet pipe is four, one first water inlet
Pipe connects peristaltic pump by pipeline, wherein four first outlet pipes are separately connected four of the U-type groove of ring-like micro-channel heat exchanger
Through-hole.
Preferably, the junction station includes the second water inlet pipe and the second outlet pipe, wherein the second water inlet pipe and the second water outlet
Pipe connection, the number of second water inlet pipe are four, wherein the number of the second outlet pipe is one, four second water inlets
Pipe is separately connected four through-holes of the U-type groove of ring-like micro-channel heat exchanger, wherein second outlet pipe connects spoke by pipeline
Emitter.
Preferably, the heat source is made of multiple film resistors, and wherein heat source with ring-like micro-channel heat exchanger in addition to contacting
Remaining each face of face on be wrapped with insulating materials.
Compared with the existing technology, the present invention has the advantages that
(1) lower cover plate of the ring-like micro-channel heat exchanger of the present invention includes four channels, wherein every channel is by level-one runner, second level
Ring-like runner and oblique runner composition, four overall channel modes of emplacement are identical, are uniformly distributed with a fixed spacing, liquid flows into
The entrance of micro-channel heat exchanger subsequently enters in the ring-like runner of annular second level in level-one runner, and liquid is to two phases
Anti- direction flowing, liquid enter the ring-like runner Shi Huixiang ramp way flowing of parallel second level, and the fluid of two sides can tilt
The infall of runner forms convection current, and the liquid in last oblique runner can flow back into the ring-like runner of second level again, finally converge in
The heat exchange property and uniform temperature of heat exchanger can be improved in outflow heat exchanger in level-one channel, the infall of oblique runner of the present invention
Can, radiating efficiency is high, can meet the cooling requirements of high load capacity electronic device, provide reliable temperature environment for electronic device；
(2) fluidic heat exchange of fluids experimental provision of the present invention includes peristaltic pump, radiator, liquid cooler bin, fluid supply tank and survey
Area is tried, wherein test section includes ring-like micro-channel heat exchanger, and the peristaltic pump is connected between fluid supply tank and test section,
The other end of middle test section connects radiator by pipeline, and the radiator other end connects liquid cooler bin by pipeline,
The middle liquid cooler bin other end connects fluid supply tank by pipeline, and the test section further includes temperature sampler, pressure gauge, electricity
Heating device, current divider and junction station, fluidic heat exchange of fluids experimental provision of the present invention can quickly detect the heat transfer effect of heat exchanger；
(3) the ring-like micro-channel heat exchanger of the present invention and fluidic heat exchange of fluids experimental provision structure are simple and convenient to operate, are at low cost,
And it greatly improves work efficiency.
Detailed description of the invention
Fig. 1, a kind of structural schematic diagram of ring-like micro-channel heat exchanger of the present invention；
The structural schematic diagram of Fig. 2, lower cover plate of the present invention；
Fig. 3, U-type groove structural schematic diagram of the present invention；
The connection schematic diagram of Fig. 4, fluidic heat exchange of fluids experimental provision of the present invention；
Fig. 5, diversion structure schematic diagram of the present invention；
Fig. 6, junction station structural schematic diagram of the present invention.
Description of symbols:
1- substrate, 2-U type groove, 3- upper cover plate, 4- lower cover plate, the channel 5-, 6- level-one runner, the ring-like runner of 7- second level, 8- inclination
Runner, 9- afflux groove, 10- through-hole, 11- peristaltic pump, 12- radiator, 13- liquid cooler bin, 14- fluid supply tank, 15- are ring-like
Micro-channel heat exchanger, the first flow-stop valve of 16-, the second flow-stop valve of 17-, 18- temperature sampler, 19- pressure gauge, 20- current divider,
21- junction station, 22- DC power supply, 23- heat source, the first water inlet pipe of 24-, the first outlet pipe of 25-, the second water inlet pipe of 26-, 27-
Two outlet pipes, 28- syphon for gauge.
Specific embodiment
The specific embodiment of the invention is described with reference to the accompanying drawings and embodiments:
It should be noted that structure, ratio, the size etc. illustrated in this specification institute attached drawing, only to cooperate specification institute
The content of announcement is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads,
The modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the effect of present invention can be generated and institute's energy
Under the purpose reached, should all still it fall in the range of disclosed technology contents can cover.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, also
Only being illustrated convenient for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the present invention.
Embodiment 1
As shown in Figure 1 and 2, the invention discloses a kind of ring-like micro-channel heat exchanger, including substrate 1 and U-type groove 2, wherein U-type groove 2
It is two, described two U-type grooves 2 are sticked in the opposite sides of substrate 1 respectively, and the substrate 1 includes upper cover plate 3 and lower cover plate 4,
Wherein lower cover plate 4 is equipped with four channels 5, and every channel 5 is by level-one runner 6, the ring-like runner 7 of second level and 8 groups of oblique runner
At wherein the level-one runner 6 in each channel 5 divides for two parts, two parts level-one runner 6 is respectively arranged at lower cover plate 4
Both ends wherein connect the ring-like runner 7 of second level among two parts level-one runner 6, wherein ring-like 7 intermediate region of runner of second level is equipped with more
A oblique runner 8, the upper cover plate 3 and 4 Gai Heke of lower cover plate make each channel 5 become the closed independent empty of a both ends open
Between, wherein four 5 place straight lines of channel connect place straight line parallel with two U-type grooves 2.
Embodiment 2
As shown in Figure 1 and 2, the invention discloses a kind of ring-like micro-channel heat exchanger, including substrate 1 and U-type groove 2, wherein U-type groove 2
It is two, described two U-type grooves 2 are sticked in the opposite sides of substrate 1 respectively, and the substrate 1 includes upper cover plate 3 and lower cover plate 4,
Wherein lower cover plate 4 is equipped with four channels 5, and every channel 5 is by level-one runner 6, the ring-like runner 7 of second level and 8 groups of oblique runner
At wherein the level-one runner 6 in each channel 5 divides for two parts, two parts level-one runner 6 is respectively arranged at lower cover plate 4
Both ends wherein connect the ring-like runner 7 of second level among two parts level-one runner 6, wherein ring-like 7 intermediate region of runner of second level is equipped with more
A oblique runner 8, the upper cover plate 3 and 4 Gai Heke of lower cover plate make each channel 5 become the closed independent empty of a both ends open
Between, wherein four 5 place straight lines of channel connect place straight line parallel with two U-type grooves 2.
As shown in Figure 2, it is preferred that four channels 5 are uniformly and what is be parallel to each other is set to lower cover plate 4, wherein level-one
Runner 6 is linear type runner, and the section of the ring-like runner 7 of second level is annular, and wherein ring-like 7 both ends of runner of second level are separately connected
Two parts of level-one runner 6, the oblique runner 8 includes two parts and the setting that intersects, wherein every part oblique runner 8
Number is three and is parallel to each other.
Embodiment 3
As shown in Figure 1 and 2, the invention discloses a kind of ring-like micro-channel heat exchanger, including substrate 1 and U-type groove 2, wherein U-type groove 2
It is two, described two U-type grooves 2 are sticked in the opposite sides of substrate 1 respectively, and the substrate 1 includes upper cover plate 3 and lower cover plate 4,
Wherein lower cover plate 4 is equipped with four channels 5, and every channel 5 is by level-one runner 6, the ring-like runner 7 of second level and 8 groups of oblique runner
At wherein the level-one runner 6 in each channel 5 divides for two parts, two parts level-one runner 6 is respectively arranged at lower cover plate 4
Both ends wherein connect the ring-like runner 7 of second level among two parts level-one runner 6, wherein ring-like 7 intermediate region of runner of second level is equipped with more
A oblique runner 8, the upper cover plate 3 and 4 Gai Heke of lower cover plate make each channel 5 become the closed independent empty of a both ends open
Between, wherein four 5 place straight lines of channel connect place straight line parallel with two U-type grooves 2.
As shown in Figure 2, it is preferred that four channels 5 are uniformly and what is be parallel to each other is set to lower cover plate 4, wherein level-one
Runner 6 is linear type runner, and the section of the ring-like runner 7 of second level is annular, and wherein ring-like 7 both ends of runner of second level are separately connected
Two parts of level-one runner 6, the oblique runner 8 includes two parts and the setting that intersects, wherein every part oblique runner 8
Number is three and is parallel to each other.
As shown in Figure 3, it is preferred that the U-type groove 2 is equipped with afflux groove 9 and through-hole 10, and wherein the number of through-hole 10 is four
A, the afflux groove 9 is connected with four through-holes 10 respectively, wherein four through-holes 10 are arranged in parallel, the substrate 1 is equipped with
The both ends in channel 5 can engage docking with afflux groove 9, and 2 side of U-type groove is additionally provided with syphon for gauge 28.
As shown in Figure 3, it is preferred that boss is equipped on the inside of the afflux groove 9, wherein 1 both ends of substrate are equipped with groove, the collection
The boss of 9 inside of chute can be sticked in the groove of substrate 1.
Embodiment 4
As shown in Figure 1 and 2, the invention discloses a kind of ring-like micro-channel heat exchanger, including substrate 1 and U-type groove 2, wherein U-type groove 2
It is two, described two U-type grooves 2 are sticked in the opposite sides of substrate 1 respectively, and the substrate 1 includes upper cover plate 3 and lower cover plate 4,
Wherein lower cover plate 4 is equipped with four channels 5, and every channel 5 is by level-one runner 6, the ring-like runner 7 of second level and 8 groups of oblique runner
At wherein the level-one runner 6 in each channel 5 divides for two parts, two parts level-one runner 6 is respectively arranged at lower cover plate 4
Both ends wherein connect the ring-like runner 7 of second level among two parts level-one runner 6, wherein ring-like 7 intermediate region of runner of second level is equipped with more
A oblique runner 8, the upper cover plate 3 and 4 Gai Heke of lower cover plate make each channel 5 become the closed independent empty of a both ends open
Between, wherein four 5 place straight lines of channel connect place straight line parallel with two U-type grooves 2.
As shown in Figure 2, it is preferred that four channels 5 are uniformly and what is be parallel to each other is set to lower cover plate 4, wherein level-one
Runner 6 is linear type runner, and the section of the ring-like runner 7 of second level is annular, and wherein ring-like 7 both ends of runner of second level are separately connected
Two parts of level-one runner 6, the oblique runner 8 includes two parts and the setting that intersects, wherein every part oblique runner 8
Number is three and is parallel to each other.
As shown in Figure 3, it is preferred that the U-type groove 2 is equipped with afflux groove 9 and through-hole 10, and wherein the number of through-hole 10 is four
A, the afflux groove 9 is connected with four through-holes 10 respectively, wherein four through-holes 10 are arranged in parallel, the substrate 1 is equipped with
The both ends in channel 5 can engage docking with afflux groove 9, and 2 side of U-type groove is additionally provided with syphon for gauge 28.
As shown in Figure 3, it is preferred that boss is equipped on the inside of the afflux groove 9, wherein 1 both ends of substrate are equipped with groove, the collection
The boss of 9 inside of chute can be sticked in the groove of substrate 1.
As shown in Figure 4, it is preferred that a kind of as described above for testing the fluidic heat exchange of fluids of ring-like micro-channel heat exchanger
Experimental provision, including peristaltic pump 11, radiator 12, liquid cooler bin 13, fluid supply tank 14 and test section, wherein test section is wrapped
Ring-like micro-channel heat exchanger 15 is included, the peristaltic pump 11 is connected between fluid supply tank 14 and test section, wherein test section
The other end connects radiator 12 by pipeline, and 12 other end of radiator connects liquid cooler bin 13 by pipeline, wherein liquid
13 other end of body cooler bin connects fluid supply tank 14 by pipeline.
As shown in Figure 4, it is preferred that further include flow-stop valve, wherein flow-stop valve includes the first flow-stop valve 16 and the second flow-stop valve
17, wherein the first flow-stop valve 16 is set between peristaltic pump 11 and test section, wherein the second flow-stop valve 17 is set to liquid cooling
Between case 13 and fluid supply tank 14.
As shown in Figure 4, it is preferred that the test section further includes temperature sampler 18, pressure gauge 19, electric heater unit, divides
Device 20 and junction station 21 are flowed, wherein 20 one end of current divider connects peristaltic pump 11 by pipeline, and 20 other end of current divider passes through
Pipeline connects ring-like micro-channel heat exchanger 15, wherein 15 other end of ring-like micro-channel heat exchanger connects junction station 21 by pipeline,
21 other end of junction station connects radiator 12 by pipeline, and the electric heater unit includes DC power supply 22 and heat source 23,
Wherein heat source 23 connects DC power supply 22, and the heat source 23 is set to ring-like 15 1 end face of micro-channel heat exchanger, and the temperature is adopted
Inlet end and an outlet end, heat source 24, liquid cooler bin 13 and the liquid that storage 18 is separately connected ring-like micro-channel heat exchanger 15 supply
Case 14 is answered, the pressure gauge 19 is separately connected the inlet end and an outlet end of ring-like micro-channel heat exchanger 15.
Embodiment 5
As shown in Figure 1 and 2, the invention discloses a kind of ring-like micro-channel heat exchanger, including substrate 1 and U-type groove 2, wherein U-type groove 2
It is two, described two U-type grooves 2 are sticked in the opposite sides of substrate 1 respectively, and the substrate 1 includes upper cover plate 3 and lower cover plate 4,
Wherein lower cover plate 4 is equipped with four channels 5, and every channel 5 is by level-one runner 6, the ring-like runner 7 of second level and 8 groups of oblique runner
At wherein the level-one runner 6 in each channel 5 divides for two parts, two parts level-one runner 6 is respectively arranged at lower cover plate 4
Both ends wherein connect the ring-like runner 7 of second level among two parts level-one runner 6, wherein ring-like 7 intermediate region of runner of second level is equipped with more
A oblique runner 8, the upper cover plate 3 and 4 Gai Heke of lower cover plate make each channel 5 become the closed independent empty of a both ends open
Between, wherein four 5 place straight lines of channel connect place straight line parallel with two U-type grooves 2.
As shown in Figure 2, it is preferred that four channels 5 are uniformly and what is be parallel to each other is set to lower cover plate 4, wherein level-one
Runner 6 is linear type runner, and the section of the ring-like runner 7 of second level is annular, and wherein ring-like 7 both ends of runner of second level are separately connected
Two parts of level-one runner 6, the oblique runner 8 includes two parts and the setting that intersects, wherein every part oblique runner 8
Number is three and is parallel to each other.
As shown in Figure 3, it is preferred that the U-type groove 2 is equipped with afflux groove 9 and through-hole 10, and wherein the number of through-hole 10 is four
A, the afflux groove 9 is connected with four through-holes 10 respectively, wherein four through-holes 10 are arranged in parallel, the substrate 1 is equipped with
The both ends in channel 5 can engage docking with afflux groove 9, and 2 side of U-type groove is additionally provided with syphon for gauge 28.
As shown in Figure 3, it is preferred that boss is equipped on the inside of the afflux groove 9, wherein 1 both ends of substrate are equipped with groove, the collection
The boss of 9 inside of chute can be sticked in the groove of substrate 1.
As shown in Figure 4, it is preferred that a kind of as described above for testing the fluidic heat exchange of fluids of ring-like micro-channel heat exchanger
Experimental provision, including peristaltic pump 11, radiator 12, liquid cooler bin 13, fluid supply tank 14 and test section, wherein test section is wrapped
Ring-like micro-channel heat exchanger 15 is included, the peristaltic pump 11 is connected between fluid supply tank 14 and test section, wherein test section
The other end connects radiator 12 by pipeline, and 12 other end of radiator connects liquid cooler bin 13 by pipeline, wherein liquid
13 other end of body cooler bin connects fluid supply tank 14 by pipeline.
As shown in Figure 4, it is preferred that further include flow-stop valve, wherein flow-stop valve includes the first flow-stop valve 16 and the second flow-stop valve
17, wherein the first flow-stop valve 16 is set between peristaltic pump 11 and test section, wherein the second flow-stop valve 17 is set to liquid cooling
Between case 13 and fluid supply tank 14.
As shown in Figure 4, it is preferred that the test section further includes temperature sampler 18, pressure gauge 19, electric heater unit, divides
Device 20 and junction station 21 are flowed, wherein 20 one end of current divider connects peristaltic pump 11 by pipeline, and 20 other end of current divider passes through
Pipeline connects ring-like micro-channel heat exchanger 15, wherein 15 other end of ring-like micro-channel heat exchanger connects junction station 21 by pipeline,
21 other end of junction station connects radiator 12 by pipeline, and the electric heater unit includes DC power supply 22 and heat source 23,
Wherein heat source 23 connects DC power supply 22, and the heat source 23 is set to ring-like 15 1 end face of micro-channel heat exchanger, and the temperature is adopted
Inlet end and an outlet end, heat source 24, liquid cooler bin 13 and the liquid that storage 18 is separately connected ring-like micro-channel heat exchanger 15 supply
Case 14 is answered, the pressure gauge 19 is separately connected the inlet end and an outlet end of ring-like micro-channel heat exchanger 15.
As shown in Figure 5, it is preferred that the current divider 20 includes the first water inlet pipe 24 and the first outlet pipe 25, wherein first
Water inlet pipe 24 is connected to the first outlet pipe 25, and the number of first water inlet pipe 24 is one, wherein of the first outlet pipe 25
Number is four, and first water inlet pipe 24 connects peristaltic pump 11 by pipeline, wherein four first outlet pipes 25 connect respectively
Connect four through-holes 10 of the U-type groove 2 of ring-like micro-channel heat exchanger 15.
As shown in Figure 6, it is preferred that the junction station include the second water inlet pipe 26 and the second outlet pipe 27, wherein second into
Water pipe 26 is connected to the second outlet pipe 27, and the number of second water inlet pipe 26 is four, wherein the number of the second outlet pipe 27
It is one, four second water inlet pipes 26 are separately connected four through-holes 10 of the U-type groove 2 of ring-like micro-channel heat exchanger 15,
In second outlet pipe 27 pass through pipeline connect radiator 12.
Preferably, the heat source 23 is made of multiple film resistors, wherein heat source 23 in addition to ring-like micro-channel heat exchanger
The face of contact is wrapped with insulating materials on remaining each face.
Working principle of the present invention is as follows:
The ring-like micro-channel heat exchanger 15 of the present invention includes substrate 1 and U-type groove 2, be machined in U-type groove 2 afflux groove 9 and through-hole 10 with
For flowing into and out for coolant liquid, substrate 1 is made of upper cover plate 3 and lower cover plate 4, is machined with four channels 5 on lower cover plate 4, and every
Channel 5 is parallel to each other 8 groups of six oblique runners of intersection by the ring-like runner 7 of 6, second levels of a level-one runner and intermediate region
At cross one another oblique runner 8 makes fluid form flow-disturbing in infall, and the heat exchange property of heat exchanger can be improved in this mode
And average temperature performance, four 6 both ends of level-one runner of ring-like micro-channel heat exchanger 15 form four entrances and four outlets, each
There is the ring-like runner 7 of a second level between entrance and exit, wherein upper and lower lids are welded, and provide a closed channel to liquid.
The present invention gives the fluidic heat exchange of fluids experimental provisions for being directed to this ring-like micro-channel heat exchanger, including peristaltic pump
11, radiator 12, liquid cooler bin 13, fluid supply tank 14 and test section, test section further include temperature sampler 18, pressure gauge
19, electric heater unit, current divider 20 and junction station 21, coolant liquid are divided into 4 tributaries by current divider 20 and flow into ring from 4 entrances
Type micro-channel heat exchanger 15, then from 4 outlets of junction station 21, outflow accumulates an inflow radiator 12, fluid supply tank
14 liquid outlet is connected to test section entrance, and test section outlet is connected to the entrance of liquid cooler bin 13 by radiator 12, and liquid is cold
But the liquid outlet of case 13 is connected to the inlet of fluid supply tank 14, and it is ring-like micro- in multiple entry/multiple exit that The present invention gives fluids
Disengaging method in channel heat exchanger 15, while radiator 12 and liquid cooler bin 13 being used in combination, quickly reduce liquid temperature
It spends and ensures that temperature is down to inlet temperature, coolant liquid temperature after the micro-channel heat exchanger 15 for being loaded with heat source 23 increases,
By it by dispersing a large amount of heat in a matrix form radiator 12, then it is passed into liquid cooler bin 13 and is cooled to entrance temperature
Degree, then be flowed into fluid supply tank 14 by the second flow-stop valve 17.
Cooling liquid in fluid present invention cassette for supplying flows through the first flow-stop valve injection test section under the driving of peristaltic pump
It is flowed into the ring-like micro-channel heat exchanger with heat source by current divider from four entrances, the liquid of four outlets passes through junction station stream
Test section out is flowing to liquid cooler bin by radiator, if opening the second flow-stop valve, coolant liquid just can be from liquid cooler bin
Fluid supply tank is flowed to, realizes circulation；In the process, electric heater unit is opened, the heat flow density of load is adjusted to needs
Value each temperature value and pressure value can be read, coolant liquid is by being loaded with after pressure gauge and temperature sampler are stablized
After the ring-like micro-channel heat exchanger of heat source, temperature can be increased, and after radiator, heat can scatter and disappear most, in order to ensure
Its temperature is reduced to inlet temperature, makes fluid channel fluid cooler bin, the temperature of liquid in liquid cooler bin is measured, to its temperature
It is reduced to inlet temperature, the second flow-stop valve is opened, so that the coolant liquid in fluid cooler bin flows in fluid cassette for supplying.
Test section of the present invention is evenly heated using heat source 23, and film resistor measures ring-like micro- logical as external heat source
Road heat exchanger entrance and the temperature of outlet, the temperature of ring-like micro-channel heat exchanger heating surface, the hot-fluid provided according to heat source are close
It is ring-like micro- logical can to calculate this for the temperature of degree, the mean temperature of fluid inlet and outlet and ring-like micro-channel heat exchanger heating surface
The convection transfer rate of road heat exchanger measures test section pressure at two ends by pressure gauge, obtains the flowing of ring-like micro-channel heat exchanger
Drag parameter.
Additional a pair of of the U-type groove of the ring-like micro-channel heat exchanger of the present invention, it is corresponding to be placed in ring-like micro-channel heat exchanger
Two sides, one and the ring-like identical afflux groove of micro-channel heat exchanger size are machined in U-type groove, in afflux groove two
The boss that positioning action can be carried out with heat exchanger is machined on side, 1 both ends of substrate are equipped with groove, the boss on the inside of the afflux groove
It can be sticked in the groove of substrate 1, each entrance of ring-like micro-channel heat exchanger has an afflux groove, each outlet corresponding one
A afflux groove, respectively there are four inlet manifold slot and four outlet collection slots for the two sides of U-type groove a pair of of in this way.
It is loaded with heat source on the ring-like micro-channel heat exchanger cover board, the hot-fluid needed for providing to ring-like micro-channel heat exchanger
Density, heat source are made of multiple film resistors, and heat passes to the heating surface of microchannel by heat conductive silica gel, and heat flow density is on the one hand
It can be controlled, on the one hand can also be controlled by adjusting electric current, in order to reduce heat loss, heat source by the number of film resistor
In addition to the face contacted with ring-like micro-channel heat exchanger, one layer of insulating materials is wrapped on remaining 5 face.
Temperature sampler needs to measure the temperature of 5 parts: the coolant temperature of the import of ring-like micro-channel heat exchanger, ring
It is the coolant temperature of type micro-channel heat exchanger outlet, the temperature of ring-like micro-channel heat exchanger heating surface, cold in liquid cooler bin
But the temperature in liquid temperature and fluid supply tank, this five temperature are all made of thermocouple assay, and all thermocouples are connected to temperature
It spends on collector, the temperature value of each point can be shown on temperature sampler.
The lower cover plate of the ring-like micro-channel heat exchanger of the present invention includes four channels, wherein every channel is by level-one runner, two
The ring-like runner of grade and oblique runner composition, four overall channel modes of emplacement are identical, are uniformly distributed with a fixed spacing, liquid flow
Into micro-channel heat exchanger entrance in level-one runner, subsequently enter in the ring-like runner of annular second level, liquid is to two
Opposite direction flowing, liquid enter the ring-like runner Shi Huixiang ramp way flowing of parallel second level, and the fluid of two sides can incline
The infall of inclined flow passage forms convection current, and the liquid in last oblique runner can flow back into the ring-like runner of second level again, finally converge
The heat exchange property and samming of heat exchanger can be improved in the outflow heat exchanger in level-one channel, the infall of oblique runner of the present invention
Performance, radiating efficiency is high, can meet the cooling requirements of high load capacity electronic device, provide reliable temperature environment for electronic device.
Fluidic heat exchange of fluids experimental provision of the present invention includes peristaltic pump, radiator, liquid cooler bin, fluid supply tank and survey
Area is tried, wherein test section includes ring-like micro-channel heat exchanger, and the peristaltic pump is connected between fluid supply tank and test section,
The other end of middle test section connects radiator by pipeline, and the radiator other end connects liquid cooler bin by pipeline,
The middle liquid cooler bin other end connects fluid supply tank by pipeline, and the test section further includes temperature sampler, pressure gauge, electricity
Heating device, current divider and junction station, fluidic heat exchange of fluids experimental provision of the present invention can quickly detect the heat transfer effect of heat exchanger；
The ring-like micro-channel heat exchanger of the present invention and fluidic heat exchange of fluids experimental provision structure are simple and convenient to operate, are at low cost, and mention significantly
High working efficiency.
The preferred embodiment for the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (10)
1. a kind of ring-like micro-channel heat exchanger, it is characterised in that: including substrate and U-type groove, wherein U-type groove is two, described two
A U-type groove is sticked in the opposite sides of substrate respectively, and the substrate includes upper cover plate and lower cover plate, and wherein lower cover plate is equipped with four
Channel, every channel is made of level-one runner, the ring-like runner of second level and oblique runner, wherein the level-one runner in each channel
It is divided into two parts, two parts level-one runner is respectively arranged at the both ends of lower cover plate, wherein connects among two parts level-one runner
The ring-like runner of second level is connect, wherein the ring-like runner intermediate region of second level is equipped with multiple oblique runners, the upper cover plate and lower cover plate lid
The closed separate space that each channel can be made to become a both ends open is closed, wherein straight line and two U-type grooves where four channels
Straight line parallel where connection.
2. a kind of ring-like micro-channel heat exchanger according to claim 1, it is characterised in that: four channels uniformly and phase
Mutually parallel to be set to lower cover plate, wherein level-one runner is linear type runner, and the section of the ring-like runner of second level is annular,
The middle ring-like runner both ends of second level are separately connected two parts of level-one runner, and the oblique runner includes that two parts and intersecting are set
It sets, wherein every part oblique runner number is three and is parallel to each other.
3. a kind of ring-like micro-channel heat exchanger according to claim 1, it is characterised in that: the U-type groove is equipped with afflux groove
And through-hole, wherein the number of through-hole is four, and the afflux groove is connected with four through-holes respectively, wherein four through-holes are mutually flat
Row setting, the both ends that the substrate is equipped with channel can engage docking with afflux groove, and the U-type groove side is additionally provided with pressure gauge connection
Pipe.
4. a kind of ring-like micro-channel heat exchanger according to claim 3, it is characterised in that: be equipped on the inside of the afflux groove convex
Platform, wherein substrate both ends are equipped with groove, and the boss on the inside of the afflux groove can be sticked in the groove of substrate.
5. one kind is for testing the fluidic heat exchange of fluids experiment dress of the described in any item ring-like micro-channel heat exchangers of claim 1 ~ 4
It sets, it is characterised in that: including peristaltic pump, radiator, liquid cooler bin, fluid supply tank and test section, wherein test section includes
Ring-like micro-channel heat exchanger, the peristaltic pump are connected between fluid supply tank and test section, and wherein the other end of test section is logical
Piping connects radiator, and the radiator other end connects liquid cooler bin by pipeline, wherein the liquid cooler bin other end
Fluid supply tank is connected by pipeline.
6. it is according to claim 5 a kind of for testing the fluidic heat exchange of fluids experimental provision of ring-like micro-channel heat exchanger,
It is characterized by also including flow-stop valves, and wherein flow-stop valve includes the first flow-stop valve and the second flow-stop valve, wherein the first flow-stop valve is set
It is placed between peristaltic pump and test section, wherein the second flow-stop valve is set between liquid cooler bin and fluid supply tank.
7. it is according to claim 5 a kind of for testing the fluidic heat exchange of fluids experimental provision of ring-like micro-channel heat exchanger,
It is characterized by: the test section further includes temperature sampler, pressure gauge, electric heater unit, current divider and junction station, wherein dividing
It flowing device one end and peristaltic pump is connected by pipeline, the current divider other end connects ring-like micro-channel heat exchanger by pipeline, wherein
The ring-like micro-channel heat exchanger other end connects junction station by pipeline, and the junction station other end connects radiator by pipeline,
The electric heater unit includes DC power supply and heat source, and wherein heat source connects DC power supply, and the heat source is set to ring-like micro- logical
One end face of road heat exchanger, the temperature sampler are separately connected the inlet end and an outlet end of ring-like micro-channel heat exchanger, heat source, liquid
Body cooler bin and fluid supply tank, the pressure gauge are separately connected the inlet end and an outlet end of ring-like micro-channel heat exchanger.
8. it is according to claim 7 a kind of for testing the fluidic heat exchange of fluids experimental provision of ring-like micro-channel heat exchanger,
It is characterized by: the current divider includes the first water inlet pipe and the first outlet pipe, wherein the first water inlet pipe and the first outlet pipe connect
Logical, the number of first water inlet pipe is one, wherein the number of the first outlet pipe is four, first water inlet pipe is logical
Piping connects peristaltic pump, wherein four first outlet pipes are separately connected four through-holes of the U-type groove of ring-like micro-channel heat exchanger.
9. it is according to claim 7 a kind of for testing the fluidic heat exchange of fluids experimental provision of ring-like micro-channel heat exchanger,
It is characterized by: the junction station includes the second water inlet pipe and the second outlet pipe, wherein the second water inlet pipe and the second outlet pipe connect
Logical, the number of second water inlet pipe is four, wherein the number of the second outlet pipe is one, four second water inlet pipes point
Four through-holes of the U-type groove of ring-like micro-channel heat exchanger are not connected, wherein second outlet pipe connects radiator by pipeline.
10. it is according to claim 7 a kind of for testing the fluidic heat exchange of fluids experimental provision of ring-like micro-channel heat exchanger,
It is characterized by: the heat source is made of multiple film resistors, wherein heat source is in addition to the face that contacts with ring-like micro-channel heat exchanger
Insulating materials is wrapped on remaining each face.
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| CN110534491A (en) * | 2019-08-01 | 2019-12-03 | 西安电子科技大学 | A kind of L-type multi-channel heat exchanger and its fluidic heat exchange of fluids detection method |
| CN110763496A (en) * | 2019-10-12 | 2020-02-07 | 西安电子科技大学 | Lithium battery channel heat exchanger detection device and heat exchange method |
| CN113410194A (en) * | 2021-06-15 | 2021-09-17 | 西安微电子技术研究所 | M-type micro-channel heat exchanger based on composite phase change material, detection device and detection method |
| CN113514491A (en) * | 2021-04-20 | 2021-10-19 | 中国电子科技集团公司第二十研究所 | Bionic topology microchannel heat exchanger and fluid heat exchange experimental system thereof |
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