CN207460711U - Magnetic refrigeration radiating device - Google Patents
Magnetic refrigeration radiating device Download PDFInfo
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- CN207460711U CN207460711U CN201721394777.6U CN201721394777U CN207460711U CN 207460711 U CN207460711 U CN 207460711U CN 201721394777 U CN201721394777 U CN 201721394777U CN 207460711 U CN207460711 U CN 207460711U
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Abstract
The utility model discloses a kind of magnetic refrigeration radiating device, including magnetic refrigerating system, cooling system and driving control system.The magnetic refrigerating system includes field system, magnetic working medium device, refrigeration end and heating end, wherein, magnetic working medium is placed in field system, and its magnetic moment with the variation of magnetic direction and or neat or wadding disorderly；Cooling system is made of the pump housing, dish type is seamless hot channel, dish type is seamless heat absorbing conduit, diversion pipe, coolant, coolant reciprocation cycle in the duct under pump housing driving.The utility model opens and closes microcontroller in driving control system by the adaptive of intelligent temp-controlled switch, on the one hand control field system periodically changes, on the other hand by controlling the pump housing that coolant is driven periodically to circulate, utilize magnetic Refrigeration Technique, more traditional single cooling system, radiating efficiency higher, and can effectively reduce magnetic leakage, it intelligentized can realize to by radiating piece radiating and cooling, energy conservation and environmental protection, pollution-free, noise is minimum.
Description
Technical field
The utility model is related to technical field of heat dissipation, and in particular to a kind of magnetic refrigeration radiating device.
Background technology
Magnetic refrigeration refers to a kind of new Refrigeration Technique using magnetic material as working medium, and basic principle is freezed using magnetic
The magnetothermal effect of material（Magnetocaloric effect, MCE）A kind of technology of principle refrigeration, magnetothermal effect is magnetic material
Expect material is caused to absorb and discharge a kind of property of heat due to internal magnetic entropy change during magnetization and demagnetization, i.e., it is additional
When increasing in the magnetic field of magnetic material, temperature rise；When being added to the magnetic field reduction of magnetic material, temperature reduces, it is
A kind of inherent characteristic of magnetic material is a kind of energy-saving and environmental protection, vibration and noise is small, reliability is high new technology.
With the rapid development of electronics and semiconductor technology, electronic device and semiconductor integrated circuit etc. are just towards high property
Energy, densification, intelligence, miniaturization development, this also result in a certain extent chip and integrated circuit integrated level,
Packaging effects are miniaturized and the continuous improvement of working frequency, at the same time, high heat flux density euthermic chip（Such as CPU, GPU, LED）
And energy consumption, the caloric value of integrated circuit are growing day by day.Herein with computer CPU（Central Processing Unit, center
Processor）Exemplified by heat dissipation, but it is not restricted to computer CPU heat dissipation.CPU is one piece of ultra-large integrated circuit, is one
The arithmetic core of platform computer, the increase of CPU number of transistors improves the operational capability and efficiency of processor, but this also causes
Its power consumption and caloric value ramp, and the operating temperature of electronic component has certain threshold value, more than the threshold value, component
Working performance will significantly decline, and the stability of system will also be subject to serious influence, so as to influence people work and life
Every aspect.
Existing radiator can substantially be divided into three classes：Forced-air, water-cooled and heat pipe heat radiation.Air-cooled is existing
Most common fansink-type on the market, including a radiator fan and a cooling fin.Its principle is to produce electronic component
Then raw heat transfer is again taken away heat by fan on cooling fin, but since the volume of fan itself is big, occupy
Space is also big, is unfavorable for installation and the arrangement of other components, and noise is big in its course of work, easily extraneous environment is caused to do
It disturbs；Water-cooling type radiator is that forced circulation takes away the heat of radiator under the drive of pump using liquid, but the heat absorption of water dissipates
The thermal efficiency is relatively low, and cooling and heat dissipation cycle are longer etc.；Heat pipe heat radiation is by the evaporation of the liquid in Totally enclosed vacuum pipe with coagulating
It ties to transfer heat, since capillary wick heat pipe will be sintered capillary wick on inner wall, the process is more complicated for bearing.
The shortcomings that in order to reduce and eliminate said program and structure, it is necessary to knots such as electronic component and semiconductor chips
The heat dissipation problem of structure is designed, and a variety of schemes and structure regarding to the issue above has been disclosed in the prior art, if any it is special
Profit carries out Optimal Structure Designing or the angle for changing electric fan to the structure of cooling fin or uses the better material of thermal conductivity
Deng.Increasing heat radiation area, radiating efficiency are also promoted to a certain extent to a certain extent for this class formation and design, but also
Shortcomings：The design of such radiator structure is all based on existing heat dissipation under room temperature, that is to say, that this class formation side
The heat dissipation threshold value of case cannot be below room temperature, and radiating efficiency is low, and radiator structure and radiating mode once it is determined that, the heat dissipation of system effect
Rate, structure size of installation etc. also determine that, heat dissipation capacity is constant, the adaptability of environment is poor.
Therefore, for said program structure there are the problem of and existing scheme structure existing for deficiency propose it is a kind of heat dissipation imitate
Rate is high, intelligence is controllable, energy conservation and environmental protection, the magnetic refrigeration radiating device that pollution-free, noise is small.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide that a kind of radiating efficiency is high, intelligence is controllable, section
The magnetic refrigeration radiating device that energy is environmentally friendly, pollution-free, noise is small.
The purpose of this utility model is achieved through the following technical solutions：A kind of magnetic refrigeration radiating device freezes including magnetic
System, cooling system and driving control system.
The magnetic refrigerating system includes field system, magnetic working medium device, refrigeration end and heating end；If the field system by
Dry electromagnet composition, the electromagnet control electricity by the microcontroller in the driving control system by set driven by program
Magnet periodically generates magnetic field needed for magnetic refrigerating system, and the magnetic working medium is placed in the field system, and its magnetic moment is with electricity
The variation in magnets magnetic fields direction and or neat or wadding disorderly.The magnetic working medium device is nonferromagnetic material honeycomb cylindrical barrel body,
The magnetic working medium is magnetic fluid, and the magnetic fluid includes nano magnetic ferrite body particle, petroleum ether magnetic liquid carrier fluid and list
Tryfac 5573 surfactant, magnetic fluid are full of in honeycomb cylindrical barrel body.
The cooling system is by the pump housing, dish type is seamless hot channel, dish type is seamless heat absorbing conduit, diversion pipe, cooling
Liquid forms；The pump housing is described by by set routines periodically the drive control of the microcontroller in driving control system
Coolant cycle reciprocation cycle in hot channel, heat absorbing conduit, diversion pipe under pump housing driving flows, and the dish type is seamless
Heat absorbing conduit is placed in by above radiating piece, is absorbed by radiating piece heat, is reduced by radiating piece environment temperature.Coolant is in diversion pipe
In it is through-flow, the coolant diversion pipe, which first passes around, to be distributed in the honeycomb hole of honeycomb cylindrical barrel body magnetic working medium device, then
It winds and is distributed in the outer surface of honeycomb cylindrical barrel body magnetic working medium device.
The circuit control system that the driving control system is then made of power supply, intelligent temp-controlled switch, microcontroller etc.
Composition；The intelligent temp-controlled switch can be automatically opened or closed magnetic refrigerating system and heat dissipation according to the temperature threshold that itself is set
System, on the one hand control field system periodically changes the microcontroller, on the other hand by the way that the pump housing is controlled to drive coolant
Periodically flowing, and it can also coordinate the situation of change of both control according to a certain percentage, to ensure whole system higher
The realization intelligent circulation refrigeration radiating of effect.
The seamless pipeline of dish type is fixedly connected at center by the way that ring-type buckle is seamless；The seamless pipe of dish type
Road and annular buckle or integral structure.
The seamless pipeline shape of dish type can be according to different by the variation of radiating piece exact shape, and outer shape can
For circular, ellipse or polygon.
The seamless cross-section of pipeline shape of dish type can be circular, ellipse or polygon.
Radiating fin either radiator fan or scattered can be set above the seamless hot channel of dish type of the radiating end
Hot fin and radiator fan, to increase the radiating efficiency of cooling agent.
The heat absorbing end is by radiating piece top, dish type is seamless, and heat absorbing conduit lower section can set several heat dissipation fat or heat conduction
Cream, to increase by the heat dissipation area of radiating piece.
The temperature detect switch (TDS) is fixed in by above radiating piece, and detection in real time is with feedback by the temperature of radiating piece.
The field system can be arranged to corresponding magnetic working medium device quantity according to by the actual radiating requirements of radiating piece
It is multiple.
A kind of radiating efficiency described in the utility model is high, intelligence is controllable, energy conservation and environmental protection, the magnetic refrigeration that pollution-free, noise is small
Radiator had both maintained existing scheme and structure increasing heat radiation area, radiating efficiency or to a certain extent to a certain extent
It is able to be promoted a little, and with following different advantageous effects：
（1）Using magnetic Refrigeration Technique：A kind of magnetic refrigeration radiating device provided by the utility model is based on magnetic Refrigeration Technique
Radiator, the technology be using magnetothermal effect to being freezed and being radiated by radiating piece, it be magnetic material one kind it is intrinsic
Characteristic, using solid-fluid heat transfer technology, contact area is big, and heat transfer is fast and efficient, and the efficiency of magnetic refrigeration is followed up to Kano
The 30~60% of ring, have compared with high reliability and compared with long service life, vibration and noise it is small, it is energy saving it is environmentally protective, without dirt
Dye, easy to operate, reliability is high etc..
（2）System radiating threshold value is less than room temperature：Traditional cooling system is all based on heat dissipation at room temperature, that is to say, that
Its minimum temperature threshold to radiate is room temperature.A kind of magnetic refrigeration radiating device provided by the utility model, using magnetic Refrigeration Technique,
While system is based on radiating under room temperature, magnetothermal effect can be utilized to freeze, reduced by radiating piece ambient temperature, even
Less than room temperature, radiating efficiency is high, and heat dissipation threshold range is big.
（3）Adaptive temperature control is adjusted：Traditional heat-dissipating structure is air-cooled or water-cooled or air-cooled plus water-cooled, once it is dissipated
Hot form or radiator structure determine that heat radiation power, heat dissipation capacity, radiating efficiency of unit interval etc. are just fixed, and made at it
With being constantly in working condition in the process, and by residing for radiating piece environment, operating mode, working condition it is different, needed for dissipate
Heat also has very big difference.A kind of magnetic refrigeration radiating device provided by the utility model, passes through the temperature being placed in above by radiating piece
Control switch can be automatically opened or closed magnetic refrigerating system and cooling system according to the temperature threshold that itself is set, and intelligence is controllable,
Not only it ensure that and be in by the radiating piece moment in normal temperature range, but also will not waste and all kinds of resources of excess loss.
（4）Honeycomb cylindrical barrel body magnetic working medium device：Its magnetic working medium is magnetic fluid, is had compared to solid magnetic refrigeration working substance
There is the advantage that fuel factor is big, heat transfer rate is fast, heat exchange effect can be strengthened and then refrigerating efficiency is improved；The magnetic
Fluid can be stablized using petroleum ether as carrier fluid and single Tryfac 5573 surfactant, nano magnetic ferrite body particle
It being dispersed in carrier fluid, ferrite particle is not easy to reunite, and dispersion is highly stable, and handled by single Tryfac 5573
The magnetic anisotropy constant of nano magnetic ferrite body particle is increased, compared to no processed magnetic particle magnetothermal effect
20% can be improved.The design of honeycomb cylindrical barrel body magnetic working medium device can reduce the formation of vortex and improve coupling effect
And then the generation of leakage field is reduced, magnetic leakage signal is gathered by Magnetic Flux Leakage Testing Instrument, detection finds honeycomb cylindrical barrel body magnetic work
Matter device obtains substantially compared to solid magnetic working medium and non-cellular cylindrical barrel body magnetic fluid magnetic working medium device, leakage field phenomenon
Improve, effectively increase magnetic utilization rate and mitigate interference of the leakage field for equipment；Coolant diversion pipe is first passed around into distribution simultaneously
In the honeycomb hole of honeycomb cylindrical barrel body magnetic working medium device, then the appearance in honeycomb cylindrical barrel body magnetic working medium device
Surface helix winding distribution can greatly improve heat exchanger effectiveness again, compared to existing magnetic working medium coolant heat exchange method,
Advantage is notable on heat transfer effect.
（5）Dish type is seamless pipeline：A kind of magnetic refrigeration radiating device provided by the utility model, more traditional U-shaped or snake
Shape pipeline, radiating efficiency higher.In the case where heat dissipation or heat sink region size are certain, cooling agent is in the seamless pipe of dish type
Heat dissipation is inhaled in road, flow forward cooling agent is cooled down in the duct and then temperature reduces or flow forward with cooling agent
Cooling agent absorbs heat and then temperature and raises, and flow locations in a word in the duct are more forward, temperature with it is cold at entrance
But agent temperature difference is bigger, such as the seamless pipeline of dish type that the utility model designs in heat dissipation region is high close to entering by temperature
The cooling agent pipeline section of the cooling agent pipeline section close port of export low with temperature at mouth end is closely adjacent each other, therefore in adjacent two layers pipeline
The temperature difference of cooling agent is big, and the adjacent layer cooling agent temperature difference is bigger, and the transfer rate of heat is higher, therefore cooling agent can quickly be inhaled
It receives and sheds heat, in addition cooling or heat extraction path are longer, and heat exchange is more abundant, and hot channel being designed to, dish type is seamless
Spirally, in the heat dissipation with certain size or heat sink region, dish type is seamless, and hot channel can more be filled
The suction heat dissipation divided.
Description of the drawings
Fig. 1 is a kind of principle schematic diagram of magnetic refrigeration radiating device embodiment one described in the utility model；
Fig. 2 is the magnetic working medium apparatus structure schematic diagram in the utility model；
Fig. 3 is water inlet coiling schematic diagram of the diversion pipe on magnetic working medium device in the utility model；
Fig. 4 is water outlet coiling schematic diagram of the diversion pipe on magnetic working medium device in the utility model；
Fig. 5 is coiling front view of the diversion pipe on magnetic working medium device in the utility model；
Fig. 6 is a kind of fortune of one pump housing of magnetic refrigeration radiating device embodiment described in the utility model within a work period
Turn flow diagram；
Fig. 7 is magnetic field system on the outside of one first magnetic working medium device of a kind of magnetic refrigeration radiating device embodiment described in the utility model
Magnetic flux change situation schematic diagram of the system within a work period；
Fig. 8 is magnetic field system on the outside of one second magnetic working medium device of a kind of magnetic refrigeration radiating device embodiment described in the utility model
Magnetic flux change situation schematic diagram of the system within a work period；
Fig. 9 is a kind of principle schematic diagram of magnetic refrigeration radiating device embodiment two described in the utility model；
Figure 10 is a kind of two pump housing of magnetic refrigeration radiating device embodiment described in the utility model within a work period
Operate flow diagram；
Figure 11 is field system on the outside of two magnetic working medium device of a kind of magnetic refrigeration radiating device embodiment described in the utility model
Magnetic flux change situation schematic diagram within a work period；
Reference numeral：
In figure, 1- field systems, 2- the first magnetic working medium devices, 3- dish types are seamless hot channel, the annular buckles of 4-, 5- leads
Flow tube, the 6- pump housings, 7- the second magnetic working medium devices, 8- dish types are seamless heat absorbing conduit, 9- magnetic working medium devices, 10- water inlets, 11-
Water outlet.
Specific embodiment
It carries out specific to the technical solution of the utility model embodiment below in conjunction with drawings and examples and clearly describes,
Obviously, described embodiment is only the part of the embodiment of the utility model, instead of all the embodiments.Based on this reality
With the embodiment described in new, those of ordinary skill in the art on the premise of creative work is not required gained it is all its
Its embodiment similar with the utility model, all in the range of the utility model is protected.
Embodiment 1
In the present embodiment, a kind of principle schematic diagram of magnetic refrigeration radiating device as shown in Figure 1, be including magnetic refrigeration
System, cooling system and driving control system.
The magnetic refrigerating system include field system 1, the first magnetic working medium device 2, the second magnetic working medium device 7, refrigeration end and
Heating end；The field system is made of two pairs of electromagnets, and the electromagnet is led to by the microcontroller in the driving control system
It crosses set driven by program control electromagnet and periodically generates magnetic field needed for magnetic refrigerating system, the magnetic working medium is placed in described
In field system 1, and its magnetic moment with the variation of electromagnet magnetic direction and or neat or wadding disorderly；The magnetic working medium device 9 is
Nonferromagnetic material honeycomb cylindrical barrel body, the magnetic working medium are magnetic fluid, and it is micro- that the magnetic fluid includes nano magnetic ferrite body
Grain, petroleum ether magnetic liquid carrier fluid and single Tryfac 5573 surfactant, magnetic fluid are full of in honeycomb cylindrical barrel
In body.
The cooling system by the pump housing 6, dish type is seamless hot channel 3, dish type is seamless heat absorbing conduit 8, diversion pipe 5,
Coolant forms；The pump housing 6 by by set routines periodically the drive control of the microcontroller in driving control system,
Coolant cycle reciprocation cycle in hot channel 3, heat absorbing conduit 8, diversion pipe 5 under the driving of the pump housing 6 flows, the disk
Shape is seamless, and endothermic tube 8 is placed in by above radiating piece, is absorbed by radiating piece heat, is reduced by radiating piece environment temperature；Cooling
Liquid is through-flow in diversion pipe, and the coolant diversion pipe first passes around the honeycomb for being distributed in honeycomb cylindrical barrel body magnetic working medium device
In hole, then the outer surface spiral winding distribution in honeycomb cylindrical barrel body magnetic working medium device, coolant is from passing around in magnetic work
Diversion pipe water inlet 10 on matter device enters, and is flowed out from water outlet 11.First magnetic working medium device 2 and the second magnetic working medium device 7
Structure it is similar, be all described by the structure diagram 2-5 of magnetic working medium device 9.
The circuit control system that the driving control system is then made of power supply, intelligent temp-controlled switch, microcontroller etc.
Composition；The intelligent temp-controlled switch can be automatically opened or closed magnetic refrigerating system and heat dissipation according to the temperature threshold that itself is set
System, on the one hand control field system 1 periodically changes the microcontroller, on the other hand by controlling the driving cooling of the pump housing 6
Liquid periodically flows, and it can also coordinate the situation of change of both control according to a certain percentage, to ensure whole system more
It is efficient to realize intelligent circulation refrigeration radiating.
Preferably, the seamless pipeline of the dish type is fixedly connected at center by the way that ring-type buckle is seamless.
Preferably, seamless 3 outer shape of hot channel of the dish type is circle.
Preferably, seamless 8 outer shape of heat absorbing conduit of the dish type is square.
Preferably, the seamless cross-section of pipeline shape of the dish type can be circle.
Preferably, seamless 3 top of hot channel of the dish type sets radiator fan and radiating fin, to increase cooling agent
Radiating efficiency.
Preferably, the heat absorbing end by above radiating piece, dish type is seamless, and 8 lower section of heat absorbing conduit can set several heat dissipations
Fat, to increase by the heat dissipation area of radiating piece.
Preferably, the temperature detect switch (TDS) is fixed in by above radiating piece, and detection in real time is with feedback by the temperature of radiating piece.
Preferably, the field system 1 is set with corresponding magnetic working medium device quantity according to by the actual demand of radiating piece
For two.
Such as a kind of operating flow of Fig. 6 magnetic refrigeration radiating device pump housings described in the utility model within a work period
Figure, Fig. 7 is that field system exists on the outside of one first magnetic working medium device of a kind of magnetic refrigeration radiating device embodiment described in the utility model
Magnetic flux change situation schematic diagram in one work period, Fig. 8 are that a kind of magnetic refrigeration radiating device described in the utility model is real
It applies on the outside of one second magnetic working medium device of example shown in magnetic flux change situation schematic diagram of the field system within a work period, under
Face pump housing work flow diagram, magnetic field magnetic variations of flux situation schematic diagram, Fig. 8 on the outside of Fig. 7 the first magnetic working medium devices with reference to shown in Fig. 6
Magnetic field magnetic variations of flux situation schematic diagram on the outside of second magnetic working medium device, simply describes substantially working for the magnetic refrigeration radiating device
Principle.
It is radiated herein with the coolant in the seamless hot channel 3 of dish type by radiator fan or cooling fin to room temperature state,
And the coolant in the seamless heat absorbing conduit 8 of dish type and the temperature equal state by radiating piece, the vacation as system work
If original state, and the assumed condition that the reverse flow of whole system cooling agent is rotated forward as the pump housing 6 using in Fig. 1, wherein in figure
Each character represents respectively：
n：6 rotating speed of the pump housing, unit are（r/min）, work rated speed value is set by microcontroller in control system and tune
Section；
T：6 work period of the pump housing, unit s, work nominal period value are set and are adjusted by microcontroller in control system；
T1：The pump housing 6 rotate forward the work period, unit s, work nominal period value by control system microcontroller setting and
It adjusts；
T2：The pump housing 6 invert the work period, unit s, work nominal period value by control system microcontroller setting and
It adjusts；
t1-t8:The pump housing 6 is in the working time or interval time in each stage, and unit s, work time rating value is by controlling
Microcontroller setting and adjusting in system processed.
The substantially operation principle of the magnetic refrigeration radiating device is as described below：
Such as a kind of operating flow of Fig. 6 magnetic refrigeration radiating device pump housings described in the utility model within a work period
Figure, Fig. 7 is that field system exists on the outside of one first magnetic working medium device of a kind of magnetic refrigeration radiating device embodiment described in the utility model
Shown in magnetic flux change situation schematic diagram in one work period：Under the seamless heat absorbing conduit 8 of dish type, by radiating piece
On temperature detect switch (TDS), reached by radiating piece temperature its setting temperature control threshold value after, temperature detect switch (TDS) is closed automatically, microcontroller into
Enter working condition, by the adjusting control of microcontroller, and then trigger magnetic refrigerating system and cooling system start-up operation：In t1Time
In section, in the driving control system under the control of microcontroller, the pump housing 6 rotates forward, and quilt is absorbed in dish type is seamless heat absorbing conduit 8
The coolant for the heat that radiating piece radiation gives out flows to the water conservancy diversion passed around on the first magnetic working medium device 2 under the drive of the pump housing 6
At pipe 5；In t2In period, on the one hand in the driving control system under the control of microcontroller, the pump housing stops operating, and absorbs
The coolant of the heat given out by radiating piece radiation is stuck in the diversion pipe 5 passed around on the first magnetic working medium device 2, the opposing party
Face, the microcontroller in the driving control system control the field system 1 in 2 outside of the first magnetic working medium device, make its field system 1
Magnetic field increases, at this point, magnetic working medium 2 under extraneous magnetic fields, generates magnetothermal effect, the direction of magnetic moment is made to arrange together（Magnetic entropy becomes
It is small）, at this moment magnetic working medium 2 coolant into the diversion pipe 5 that it is passed around discharge heat, the temperature of coolant is made into one by heat exchange
Step rise；In t3In period, in the driving control system under the control of microcontroller, the pump housing 6 rotates forward, the first magnetic working medium dress
Putting the coolant heated in diversion pipe 5 on 2, to flow to dish type by the first magnetic working medium device 2 under the drive of the pump housing 6 seamless
At hot channel 3；In t4In period, in the driving control system under the control of microcontroller, the pump housing 6 stops operating, quilt
The coolant of heating is discharged to external radiation by being radiated and being distributed to the heat of coolant by radiating piece and the first magnetic working medium device 2,
Coolant temperature reduces or even is down to room temperature state, according to actual demand, if it is necessary, can be in the seamless hot channel 3 of dish type
Top sets radiating fin either radiator fan or radiating fin and radiator fan, to increase the radiating efficiency of coolant；
t5In period, in the driving control system under the control of microcontroller, the pump housing 6 inverts, in dish type is seamless hot channel 3
By the coolant that radiator fan or radiating fin radiate to room temperature state under the drive of the pump housing 6 by the seamless heat-dissipating pipe of dish type
Road 3 is flowed at the diversion pipe 5 passed around on the first magnetic working medium device 2；In t6In period, on the one hand in the drive control system
In system under the control of microcontroller, the pump housing 6 stops operating, and the coolant under room temperature state is stuck on the first magnetic working medium device 2
In diversion pipe 5, on the other hand, the microcontroller in the driving control system controls the magnetic field passed around on the first magnetic working medium device 2
System 1 reduces its 1 magnetic field of field system, at this point, magnetic working medium 2 under extraneous magnetic fields, generates magnetothermal effect, makes magnetic moment
Direction become disturbance state（Magnetic entropy becomes larger）, coolant absorbs heat in the diversion pipe 5 that at this moment magnetic working medium 2 passes around from it,
The temperature for making coolant by heat exchange further reduces；In t7In period, the microcontroller in the driving control system
Under control, the pump housing 6 inverts, and the coolant to be cooled down on the first magnetic working medium device 2 in diversion pipe 5 is under the drive of the pump housing 6 by the
One magnetic working medium device 2 is flowed at the seamless heat absorbing conduit 8 of the dish type above by radiating piece；In t8In period, in the drive
In autocontrol system under the control of microcontroller, the pump housing 6 stops operating, and the coolant absorption to be cooled down is radiated by radiating piece to be distributed
The heat gone out, coolant temperature rise, decreases or even is down to the following state of room temperature, according to actual need by radiating piece temperature
Ask, if it is necessary, can heat absorbing end set above radiating piece, below dish type is seamless heat absorbing conduit 8 several heat dissipation fat or
Heat-conducting cream, to increase by the heat dissipation area and radiating efficiency of radiating piece.
There is the following course of work with what the above-mentioned course of work was carried out at the same time：
Such as a kind of operating flow of Fig. 6 magnetic refrigeration radiating device pump housings described in the utility model within a work period
Figure, Fig. 8 is that field system exists on the outside of one second magnetic working medium device of a kind of magnetic refrigeration radiating device embodiment described in the utility model
Shown in magnetic flux change situation schematic diagram in one work period：In t1It is single in the driving control system in period
Under the control of piece machine, the pump housing 6 rotates forward, and is radiated in dish type is seamless hot channel 3 by radiator fan or radiating fin to room temperature shape
Coolant under state flows to what is passed around on the second magnetic working medium device 7 under the drive of the pump housing 6 by the seamless hot channel 3 of dish type
At diversion pipe 5；In t2In period, on the one hand in the driving control system under the control of microcontroller, the pump housing 6 stops turning
Dynamic, the coolant under room temperature state is stuck in the diversion pipe 5 on the second magnetic working medium device 7, on the other hand, the drive control
Microcontroller in system controls the field system 1 in 7 outside of the second magnetic working medium device, reduces its 1 magnetic field of field system, at this point,
Magnetic working medium 7 generates magnetothermal effect, the direction of magnetic moment is made to become disturbance state under the effect of external magnetic field 1（Magnetic entropy becomes larger）, at this moment
Coolant absorbs heat in the diversion pipe 5 that magnetic working medium 7 passes around from it, and the temperature for making coolant by heat exchange further drops
It is low；In t3In period, in the driving control system under the control of microcontroller, the pump housing 6 rotates forward, the second magnetic working medium device 7
The coolant to be cooled down in upper diversion pipe 5 is flowed to by the second magnetic working medium device 7 by above radiating piece under the drive of the pump housing 6
At dish type is seamless heat absorbing conduit 8；In t4In period, in the driving control system under the control of microcontroller, the pump housing 6 stops
Rotation stop is moved, and the coolant absorption to be cooled down is radiated the heat given out, coolant temperature rise, by radiating piece temperature by radiating piece
Degree decreases or even is down to the following state of room temperature, according to actual demand, if it is necessary, can be in heat absorbing end by radiating piece
Side, dish type is seamless, and 8 lower section of heat absorbing conduit sets several heat dissipation fat or heat-conducting cream, by the heat dissipation area of radiating piece and is dissipated with increase
The thermal efficiency；In t5In period, in the driving control system under the control of microcontroller, the pump housing 6 inverts, suction that dish type is seamless
The coolant that the heat given out by radiating piece radiation is absorbed in hot channel 8 flows to the second magnetic working medium dress in the case where the pump housing 6 drives
It puts at the diversion pipe 5 passed around on 7；In t6In period, on the one hand in the driving control system under the control of microcontroller, pump
Body 6 stops operating, and absorbs the water conservancy diversion being stuck in by the coolant of heat that radiating piece radiation gives out on the second magnetic working medium device 7
In pipe 5, on the other hand, the microcontroller in the driving control system controls the field system 1 in 7 outside of the second magnetic working medium device,
Increase its 1 magnetic field of field system, at this point, magnetic working medium 7 under extraneous magnetic fields, generates magnetothermal effect, make the direction of magnetic moment
Neat arrangement（Magnetic entropy becomes smaller）, at this moment the coolant release heat into the diversion pipe 5 passed around thereon of magnetic working medium 7, is made by heat exchange
The temperature of coolant further raises；In t7In period, in the driving control system under the control of microcontroller, the pump housing 6
It inverts, the coolant heated on the second magnetic working medium device 7 in diversion pipe 5 is under the drive of the pump housing 6 by the second magnetic working medium device 7
It flows at the seamless hot channel 3 of dish type；In t8In period, in the driving control system under the control of microcontroller,
The pump housing 6 stops operating, and the coolant heated is discharged to external radiation by being radiated and being distributed by radiating piece and the second magnetic working medium device 7
To the heat of coolant, coolant temperature reduces or even is down to room temperature state, according to actual demand, if it is necessary, can be in dish type
Seamless 3 top of hot channel sets radiating fin either radiator fan or radiating fin and radiator fan, to increase cooling
The radiating efficiency of liquid.
So far, which completes the work in one cycle, if reaching its volume by the temperature of radiating piece
Determine operating temperature, then under the seamless heat absorbing conduit 8 of dish type, can then be disconnected automatically by the temperature detect switch (TDS) on radiating piece,
Microcontroller is in holding state, and magnetic refrigerating system and cooling system are stopped.If temperature control threshold is still exceeded by the temperature of radiating piece
Value, then the magnetic refrigeration radiating device goes successively to next work period.In this way, the magnetic refrigeration radiating device can be realized to quilt
The intelligent temperature control of radiating piece, refrigeration radiating are adjusted.
Embodiment 2
In the present embodiment, a kind of principle schematic diagram of magnetic refrigeration radiating device as shown in figure 9, be including magnetic refrigeration
System, cooling system and driving control system.
The magnetic refrigerating system includes field system 1 ', the first magnetic working medium device 2 ', refrigeration end and heating end；The magnetic field
System 1 ' is made of a pair of of electromagnet, and the electromagnet passes through set program by the microcontroller in the driving control system
Drive control electromagnet periodically generates magnetic field needed for magnetic refrigerating system, the magnetic working medium 2 ' it is placed in the field system 1 '
In, and its magnetic moment with the variation of electromagnet magnetic direction and or neat or wadding disorderly.
The cooling system is by the pump housing 6 ', dish type is seamless hot channel 3 ', dish type is seamless heat absorbing conduit 8 ', diversion pipe
5 ', coolant forms；The pump housing 6 ' is driven by the microcontroller in driving control system by set routines periodically
Control, coolant cycle reciprocation cycle stream in hot channel 3 ', heat absorbing conduit 8 ', diversion pipe 5 ' under the driving of the pump housing 6 '
Dynamic, the seamless 8 ' road of endothermic tube of dish type is placed in by above radiating piece, is absorbed by radiating piece heat, is reduced by radiating piece environment
Temperature；First magnetic working medium device 2 ' is described by the structure diagram 2-5 of magnetic working medium device 9.
The circuit control system that the driving control system is then made of power supply, microcontroller etc. forms；The monolithic
On the one hand control field system 1 ' periodically changes machine, on the other hand by controlling the pump housing 6 ' that coolant is driven periodically to flow
It is dynamic, and it can also coordinate the situation of change of both control according to a certain percentage, to ensure the more efficient realization intelligence of whole system
It can circularly cooling heat dissipation.
Preferably, the seamless pipeline of the dish type is fixedly connected at center by the way that ring-type buckle is seamless.
Preferably, the seamless 3 ' outer shape of hot channel of the dish type is circle.
Preferably, the seamless 8 ' outer shape of heat absorbing conduit of the dish type is square.
Preferably, the seamless cross-section of pipeline shape of the dish type can be circle.
Preferably, the seamless 3 ' top of hot channel of the dish type sets radiator fan and radiating fin, to increase cooling
The radiating efficiency of agent.
Preferably, the heat absorbing end by above radiating piece, dish type is seamless, and 8 ' lower section of heat absorbing conduit can set several dissipate
Hot fat, to increase by the heat dissipation area of radiating piece.
Preferably, the field system 1 ' is set with corresponding 2 ' quantity of magnetic working medium device according to by the actual demand of radiating piece
It is set to one.
If Figure 10 is a kind of two pump housing of magnetic refrigeration radiating device embodiment described in the utility model within a work period
Operating flow diagram, Figure 11 is on the outside of two magnetic working medium device of a kind of magnetic refrigeration radiating device embodiment described in the utility model
Shown in magnetic flux change situation schematic diagram of the field system within a work period, with reference to pump housing workflow shown in Figure 10
Magnetic field magnetic variations of flux situation schematic diagram on the outside of Cheng Tu, Figure 11 magnetic working medium device, simply describes the big of the magnetic refrigeration radiating device
Cause operation principle.
It is radiated herein with the coolant in the seamless hot channel 3 of dish type by radiator fan or cooling fin to room temperature state,
As the hypothesis original state of system work, and the reverse flow of whole system cooling agent is rotated forward as the pump housing 6 ' using in Fig. 9
Assumed condition, wherein each character represents respectively in figure：
n：6 ' rotating speed of the pump housing, unit are（r/min）, work rated speed value is set by microcontroller in control system and tune
Section；
T：6 ' work period of the pump housing, unit s, work nominal period value are set and are adjusted by microcontroller in control system
Section；
T1：The pump housing 6 ' rotates forward work period, unit s, and work nominal period value is set by microcontroller in control system
And it adjusts；
T2：The pump housing 6 ' inverts work period, unit s, and work nominal period value is set by microcontroller in control system
And it adjusts；
t1-t8:The pump housing 6 ' is in the working time or interval time in each stage, unit s, work time rating value by
Microcontroller setting and adjusting in control system；
The substantially operation principle of the magnetic refrigeration radiating device is as described below：
If Figure 10 is a kind of two pump housing of magnetic refrigeration radiating device embodiment described in the utility model within a work period
Operating flow diagram, Figure 11 is on the outside of two magnetic working medium device of a kind of magnetic refrigeration radiating device embodiment described in the utility model
Shown in magnetic flux change situation schematic diagram of the field system within a work period：In t1In period, in the driving control
In system processed under the control of microcontroller, the pump housing 6 ' inverts, and is dissipated in dish type is seamless hot channel 3 by radiator fan or radiating fin
Coolant under heat to room temperature state flows to the first magnetic working medium under the drive of the pump housing 6 ' by the seamless hot channel 3 ' of dish type
5 ' the place of shape diversion pipe passed around on device 2 '；In t2In period, on the one hand in the driving control system microcontroller control
Under system, the pump housing 6 ' stops operating, and the coolant under room temperature state is stuck in the diversion pipe 5 on the first magnetic working medium device 2 ', separately
On the one hand, the microcontroller in the driving control system controls the field system 1 ' on the outside of the first magnetic working medium device 2 ', makes its magnetic
1 ' magnetic field of field system reduces, at this point, magnetic working medium 2 ' under extraneous magnetic fields, magnetothermal effect is generated, becomes the direction of magnetic moment
Disturbance state（Magnetic entropy becomes larger）, at this moment magnetic working medium 2 ' and coolant absorbs heat in the diversion pipe 5 ' that passes around from it, and pass through heat and hand over
Changing makes the temperature of coolant further reduce；In t3In period, in the driving control system under the control of microcontroller, pump
Body 6 ' inverts, and the coolant to be cooled down on the first magnetic working medium device 2 ' in diversion pipe 5 ' is under the drive of the pump housing 6 ' by the first magnetic work
Matter device 2 ' flows to the seamless 8 ' place of heat absorbing conduit of dish type above by radiating piece；In t4In period, in the driving control
In system processed under the control of microcontroller, the pump housing 6 ' stops operating, and the coolant absorption to be cooled down is radiated by radiating piece to be given out
Heat, coolant temperature rise decreases or even is down to the following state of room temperature by radiating piece temperature, according to actual demand,
If it is necessary, can heat absorbing end by above radiating piece, dish type is seamless, and 8 ' lower section of heat absorbing conduit sets several heat dissipation fat or leads
Hot cream, to increase by the heat dissipation area and radiating efficiency of radiating piece；In t5In period, the monolithic in the driving control system
Under the control of machine, the pump housing 6 ' rotates forward, and the cold of the heat that is given out by radiating piece radiation is absorbed in dish type is seamless heat absorbing conduit 8 '
But liquid is flowed under the drive of the pump housing 6 ' at the diversion pipe 5 ' passed around on the first magnetic working medium device 2 '；In t6In period, a side
In the driving control system under the control of microcontroller, the pump housing 6 ' stops operating in face, absorbs what is given out by radiating piece radiation
The coolant of heat is stuck in the diversion pipe 5 ' on the first magnetic working medium device 7 ' Nei, on the other hand, in the driving control system
Microcontroller control the first magnetic working medium device 2 ' on the outside of field system 1 ', make its 1 ' magnetic field of field system increase, at this point, magnetic work
Matter 2 ' generates magnetothermal effect, the direction of magnetic moment is made to arrange together under extraneous magnetic fields（Magnetic entropy becomes smaller）, at this moment magnetic working medium 2 ' to
Coolant discharges heat in the shape diversion pipe 5 ' passed around thereon, and the temperature for making coolant by heat exchange further raises；In t7
In period, in the driving control system under the control of microcontroller, the pump housing 6 ' rotates forward, water conservancy diversion on the first magnetic working medium device 2 '
The coolant heated in pipe 5 ' flows to the seamless heat-dissipating pipe of dish type under the drive of the pump housing 6 ' by the first magnetic working medium device 2 '
3 ' place of road；In t8In period, in the driving control system under the control of microcontroller, the pump housing 6 ' stops operating, and is heated
Coolant discharge to external radiation and distributed by being radiated by radiating piece and the first magnetic working medium device 2 ' to the heat of coolant, cool down
Liquid temperature degree reduces or even is down to room temperature state, according to actual demand, if it is necessary, can be on the seamless hot channel 3 ' of dish type
Side sets radiating fin either radiator fan or radiating fin and radiator fan, to increase the radiating efficiency of coolant.So far,
The magnetic refrigeration radiating device completes the work in one cycle, within next work period, magnetic refrigerating system and heat dissipation system
The control of microcontroller still in the driving control system of uniting periodically is completed by the cooling and heat dissipation work of radiating piece.
Difference from Example 1 is：It is dissipated in the present embodiment without intelligent temp-controlled switch, the magnetic refrigeration radiating device at this
After warmware start, it is directly entered and is constantly in the cooling and heat dissipation course of work, which is radiated suitable for those
The occasions such as part heat dissipation capacity is big, radiating efficiency is low.
In the utility model, said structure can make according to by the design feature of radiating piece and the magnetic refrigeration radiating device
Reasonably design and selection are carried out with environment.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form is not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and environment, and
It can be modified in contemplated scope described herein by the technology or knowledge of above-mentioned introduction or association area.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (10)
1. a kind of magnetic refrigeration radiating device, which is characterized in that including magnetic refrigerating system, cooling system and driving control system；
The magnetic refrigerating system includes field system, magnetic working medium device, refrigeration end and heating end；The field system is by several electricity
Magnet forms, and the electromagnet controls electromagnet by the microcontroller in the driving control system by set driven by program
Magnetic field needed for magnetic refrigerating system is periodically generated, the magnetic working medium is placed in the field system, and its magnetic moment is with electromagnet
The variation of magnetic direction and or neat or wadding disorderly；
The cooling system is by the pump housing, dish type is seamless hot channel, dish type is seamless heat absorbing conduit, diversion pipe, coolant group
Into；The pump housing is by by set routines periodically the drive control of the microcontroller in driving control system, the cooling
Liquid cycle reciprocation cycle in hot channel, heat absorbing conduit, diversion pipe under pump housing driving flows, the seamless heat absorption of dish type
Pipeline is placed in by above radiating piece, is absorbed by radiating piece heat, is reduced by radiating piece environment temperature；
The circuit control system that the driving control system is then made of power supply, intelligent temp-controlled switch, microcontroller forms；Institute
Magnetic refrigerating system and cooling system can be automatically opened or closed according to the temperature threshold that itself is set by stating intelligent temp-controlled switch, institute
Stating microcontroller, on the one hand control field system periodically changes, on the other hand by the way that the pump housing is controlled to drive coolant periodic
Flowing, and it can also coordinate the situation of change of both control according to a certain percentage, to ensure the more efficient realization of whole system
Intelligent circulation refrigeration radiating.
2. a kind of magnetic refrigeration radiating device according to claim 1, it is characterised in that：The magnetic working medium device is non-ferric
Magnetic material honeycomb cylindrical barrel body, the magnetic working medium are magnetic fluid, and the magnetic fluid includes nano magnetic ferrite body particle, stone
Oily ether magnetic liquid carrier fluid and single Tryfac 5573 surfactant, magnetic fluid are full of in honeycomb cylindrical barrel body.
3. a kind of magnetic refrigeration radiating device according to claim 1, it is characterised in that：Coolant is through-flow in diversion pipe,
The coolant diversion pipe, which first passes around, to be distributed in the honeycomb hole of honeycomb cylindrical barrel body magnetic working medium device, then is justified in honeycomb
The outer surface spiral winding distribution of cylindricality cylindrical body magnetic working medium device.
4. a kind of magnetic refrigeration radiating device according to claim 1, it is characterised in that：The seamless pipeline of dish type is in
It is fixedly connected at the heart by the way that ring-type buckle is seamless；The seamless pipeline of dish type and annular buckle or integral structure.
5. a kind of magnetic refrigeration radiating device according to claim 1, it is characterised in that：The seamless pipeline shape of dish type
Can be according to different by the variation of radiating piece exact shape, outer shape can be circular, ellipse or polygon.
6. a kind of magnetic refrigeration radiating device according to claim 1, it is characterised in that：The seamless conduit cross-sectional of dish type
Face shape can be circular, ellipse or polygon.
7. a kind of magnetic refrigeration radiating device according to claim 1, it is characterised in that：The seamless hot channel of dish type
Top can set radiating fin either radiator fan or radiating fin and radiator fan, to increase the heat dissipation of cooling agent effect
Rate.
8. a kind of magnetic refrigeration radiating device according to claim 1, it is characterised in that：Heat absorbing end is by radiating piece top, disk
Shape is seamless, and heat absorbing conduit lower section can set several heat dissipation fat or heat-conducting creams, to increase by the heat dissipation area of radiating piece.
9. a kind of magnetic refrigeration radiating device according to claim 1, it is characterised in that：The temperature detect switch (TDS), which is fixed in, to be dissipated
Above warmware, dish type is seamless, and heat absorbing conduit lower section is detected in real time with feedback by the temperature of radiating piece.
10. a kind of magnetic refrigeration radiating device according to claim 1, it is characterised in that：The field system with it is corresponding
Magnetic working medium device quantity can be arranged to one or more according to by the actual demand of radiating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394777.6U CN207460711U (en) | 2017-10-26 | 2017-10-26 | Magnetic refrigeration radiating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394777.6U CN207460711U (en) | 2017-10-26 | 2017-10-26 | Magnetic refrigeration radiating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107613741A (en) * | 2017-10-26 | 2018-01-19 | 四川大学 | Magnetic refrigeration radiating device and control system |
| CN109780751A (en) * | 2018-12-24 | 2019-05-21 | 珠海格力电器股份有限公司 | A kind of magnetic refrigerating system |
| CN111031768A (en) * | 2019-12-31 | 2020-04-17 | 维沃移动通信(重庆)有限公司 | Heat dissipation device and electronic equipment |
| CN112533447A (en) * | 2020-11-27 | 2021-03-19 | 维沃移动通信有限公司 | Heat dissipation method and device and electronic equipment |
-
2017
- 2017-10-26 CN CN201721394777.6U patent/CN207460711U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107613741A (en) * | 2017-10-26 | 2018-01-19 | 四川大学 | Magnetic refrigeration radiating device and control system |
| CN107613741B (en) * | 2017-10-26 | 2024-02-20 | 四川大学 | Magnetic refrigeration heat dissipation device and control system |
| CN109780751A (en) * | 2018-12-24 | 2019-05-21 | 珠海格力电器股份有限公司 | A kind of magnetic refrigerating system |
| CN111031768A (en) * | 2019-12-31 | 2020-04-17 | 维沃移动通信(重庆)有限公司 | Heat dissipation device and electronic equipment |
| CN112533447A (en) * | 2020-11-27 | 2021-03-19 | 维沃移动通信有限公司 | Heat dissipation method and device and electronic equipment |
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Granted publication date: 20180605 Termination date: 20181026 |