CN103367828B - A kind of from radiating element and preparation method thereof - Google Patents
A kind of from radiating element and preparation method thereof Download PDFInfo
- Publication number
- CN103367828B CN103367828B CN201210087468.XA CN201210087468A CN103367828B CN 103367828 B CN103367828 B CN 103367828B CN 201210087468 A CN201210087468 A CN 201210087468A CN 103367828 B CN103367828 B CN 103367828B
- Authority
- CN
- China
- Prior art keywords
- coolant
- radiating
- device body
- box
- radiating element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a kind of from radiating element, comprise device body and be positioned at the radiating box on device body surface, in described radiating box, be sealed with coolant; The fatty alcohol and water that the aliphatic acid that described coolant comprises alkoxyl tertiary amine that carbon number is 12-18, carbon number is 6-12, carbon number are 7-12.Meanwhile, the invention also discloses the above-mentioned preparation method from radiating element.Provided by the invention from radiating element good heat dissipation effect, improve the life-span of device body and the fail safe of use; And should use repeatedly from radiating element, still excellent from radiating effect.
Description
Technical field
The present invention relates to a kind of from radiating element and preparation method thereof.
Background technology
At present, the producing level of the mankind to the various energy is more and more higher, mankind's activity is made to become more and more convenient, but simultaneously, utilizing in process to the various energy, all inevitably produce amount of heat, the frictional heat etc. of such as electronic devices and components heating, mechanical part, wherein general with the heating problem in the electronic device course of work.And this part thermal reservoir can produce larger negative effect to device itself to a certain extent, even produce safety problem.
For the battery generally used in daily life, battery can constantly generate heat in the course of the work, and along with the savings of heat, battery temperature raises, and the rising of battery temperature can cause the decline of battery capacity, has had a strong impact on performance and the life-span of battery.And as electrokinetic cell owing in use needing the discharge and recharge often carrying out big current, the problem of battery-heating is more remarkable.Meanwhile, the improper operation of battery, such as excessively discharge and recharge, short circuit etc. also can cause battery temperature to raise rapidly.If heat can not dissipate timely, internal temperature of battery can be made sharply to increase, affect the stability of electrolyte, positive and negative electrode active material and binding agent, and then affect the chemical property of battery, even can cause battery explosion time serious, there is potential safety hazard.
In prior art, the mode that electronic device is lowered the temperature is generally air-cooled, but air-cooledly usually device can only be cooled to ambient temperature, and need to design device architecture in addition, and air-cooled cooling rate is slow, the cooling effect sharply risen for the temperature that such as problem such as over-charging of battery causes is poor, effectively can not prevent the safety problems such as the too high blast caused of battery temperature.
Summary of the invention
For overcoming the problem of device radiating effect difference in prior art, the invention provides a kind of from radiating element, it is from good heat dissipation effect, can the temperature rising of effective suppression device; And should can Reusability from radiating element, the life-span is permanent.
Disclosed by the inventionly comprise device body from radiating element and be positioned at the radiating box on device body surface, in described radiating box, being sealed with coolant; The fatty alcohol and water that the aliphatic acid that described coolant comprises alkoxyl tertiary amine that carbon number is 12-18, carbon number is 6-12, carbon number are 7-12.
Meanwhile, the invention also discloses the above-mentioned preparation method from radiating element, comprise and radiating box is fixed on device body surface, then coolant is injected radiating box and radiating box is sealed; The fatty alcohol and water that the aliphatic acid that described coolant comprises alkoxyl tertiary amine that carbon number is 12-18, carbon number is 6-12, carbon number are 7-12.
Radiating box also for coolant being injected radiating box and being sealed by radiating box, then can be fixed on device body surface by the above-mentioned preparation method from radiating element; The fatty alcohol and water that the aliphatic acid that described coolant comprises alkoxyl tertiary amine that carbon number is 12-18, carbon number is 6-12, carbon number are 7-12.
In the present invention, the radiating box that above-mentioned inside accommodates coolant is positioned at device body surface, when device body adstante febre, is positioned at the heat dissipation box physical efficiency on device body surface rapidly by heat absorption, effectively reduce the temperature of device body, ensure that serviceability and the fail safe of device body; Meanwhile, in said structure, coolant can not run off, and can ensure that its radiating effect is permanently effective, can Reusability, and the life-span is permanent.
Accompanying drawing explanation
Fig. 1 is the vertical view from radiating element provided by the invention.
Fig. 2 is that the A-A from radiating element provided by the invention is to cutaway view.
Wherein, 1, device body; 2, radiating box; 3, coolant.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Disclosed by the inventionly comprise device body from radiating element and be positioned at the radiating box on device body surface, in described radiating box, being sealed with coolant; The fatty alcohol and water that the aliphatic acid that described coolant comprises alkoxyl tertiary amine that carbon number is 12-18, carbon number is 6-12, carbon number are 7-12.
In coolant disclosed by the invention, the carbon number that described alkoxyl tertiary amine has is 12-18, under preferable case, the ethyoxyl tertiary amine of the alkoxyl tertiary amine adopted in the present invention to be carbon number be 12-18, concrete, described alkoxyl tertiary amine be selected from ethyoxyl tallow amine, ethyoxyl coconut amine, ethyoxyl ether amine, ethoxy propylene diamines one or more.Preferred further, in alkoxyl tertiary amine, alkoxy group content is 2-10mol/mol.When the content of alkoxyl in alkoxyl tertiary amine is in above-mentioned scope, more favourable to raising radiating effect.
Above-mentioned various alkoxyl tertiary amine all can be the known material of chemical field, and by being commercially available, such as described ethyoxyl coconut amine is also known as ethoxylation coconut fatty amine or coconut amine APEO.For transparency liquid, clear solution can be formed in mineral oil, benzene, tetraethylene-glycol; Turbid solution is formed in water.Cationic surfactant.Described ethyoxyl coconut amine is typically used as initiation material in chemical industry, as manufactured dyestuff and textile auxiliary agent, mineral oil additive, pesticide, agricultural chemicals, cosmetic base or adhesive etc.Specifically can be obtained by coconut amine and ethyleneoxide addition.
In the present invention, the content of the alkoxyl tertiary amine in coolant can change in a big way, and under preferable case, in volume parts, the content of alkoxyl tertiary amine is 0.02-2%, more preferably 0.2-2%.Be appreciated that above-mentioned content is the total amount of various alkoxyl tertiary amine when to comprise in above various material multiple for the alkoxyl tertiary amine adopted.
Described carbon number is the aliphatic acid of 6-12 is commonly known in the art, and under preferable case, described aliphatic acid is n-nonanoic acid and/or sad.As known to those skilled in the art, sad can be caprylic acid and/or isooctyl acid, adopts caprylic acid or isooctyl acid in the present invention.Same, n-nonanoic acid adopts pelargonic acid and/or different n-nonanoic acid.Above-mentioned sad or n-nonanoic acid is all by being commercially available.
The content of above-mentioned aliphatic acid in coolant can change equally in a big way, and under preferable case, in volume parts, the content of aliphatic acid is 0.005-0.71%, more preferably 0.05-0.71%.Same, when to comprise in above various material multiple for the aliphatic acid adopted, above-mentioned content is the total amount of various aliphatic acid.
In coolant disclosed by the invention, the fatty alcohol of the fatty alcohol adopted to be carbon number be 7-12, be commonly understood in the art to higher aliphatic, in the present invention, under preferable case, described fatty alcohol is octanol and/or decyl alcohol, as this area is known, octanol can be n-octyl alcohol and/or isooctanol, and decyl alcohol can be Decanol and/or isodecanol.
The content of above-mentioned fatty alcohol in coolant can change equally in a big way, and under preferable case, in volume parts, the content of fatty alcohol is 0.005-0.29%, more preferably 0.05-0.29%.More preferably in situation, described fatty alcohol comprises n-octyl alcohol and Decanol, is 100 parts in the volume of fatty alcohol, and in described fatty alcohol, the content of n-octyl alcohol is 40-60%, and the content of Decanol is 60-40%.Same, when to comprise in above various material multiple for the fatty alcohol adopted, above-mentioned content is the total amount of various fatty alcohol.
Meanwhile, also containing water in above-mentioned coolant, under preferable case, in volume parts, the content of water is 97-99.7%.
In coolant disclosed by the invention, there is the alkoxyl tertiary amine of specific quantity carbon number, aliphatic acid and fatty alcohol and make it have certain chain length.When in the water that alkoxyl tertiary amine, aliphatic acid and fatty alcohol are scattered in, aqueous dispersion can be become a large amount of little water droplets, little water droplet outer wrap alkoxyl tertiary amine, aliphatic acid and fatty alcohol molecules, its organic segment stretches to the direction away from little water droplet, when the organic segment of this part touches heat, rapidly heat absorption can be passed to little water droplet, make little water droplet can reach the state of vaporization, thus the heat on organic segment is taken away.And outer wrap has the little water droplet of organic molecule to be scattered in water, when little water droplet reaches the state of vaporization, heat is absorbed by the water of other parts again, make the little water droplet being about to vaporization be returned to stable liquid state, and heat is taken away rapidly.The evaporation/condensation state change process of this circulation of coolant inside absorbs a large amount of energy and result in and dispel the heat fast, thus can carry out radiating and cooling fast to device body.
Further, in described coolant, also comprise lower alcohol, described lower alcohol be selected from ethanol, propyl alcohol or butanols one or more; In the volume parts of coolant, in described coolant, the content of lower alcohol is less than 0.5%.Being conducive on the one hand the dispersed of each component in coolant by adding lower alcohol, simultaneously to raising heat transfer, improving radiating effect highly beneficial.
For the coolant adopted in the present invention, under preferable case, its proportion is 0.98-1g/cm
3, pH is 6.9-7.1.
According to the present invention, in described radiating box, the amount of coolant can change in a big way, such as, can be full of radiating box, also can reserve a part of space.Under preferable case, in described radiating box, the volume of coolant accounts for the 10-90% of radiating box volume.Inventor finds, when the coolant content in radiating box is in above-mentioned scope, compared with when its radiating effect and coolant are full of radiating box, its radiating effect does not decline because of the minimizing of coolant, and on the contrary, beyond thought raising has appearred in radiating effect.
For the radiating box on device body surface, the not requirement of its shape and material, only needs it can contact preferably with device body surface, and under preferable case, its material is the good metal of heat conductivility, such as copper.Such as, and for the shape of radiating box, carry out adaptive adjustment according to the shape of device body, when device body is cylindrical battery, radiating box can be annular box body that is coated and cylindrical battery outer surface; When device body is rectangular cell, radiating box can for being fixed on the quadrangle box of rectangular cell on one or more surfaces.
In order to improve the radiating effect to device body, under preferable case, described radiating box and device body are integrated.That is, the outer surface of device body is simultaneously as an inner surface of radiating box, and namely coolant directly contacts with device body.
Further, have adsorptive support in described radiating box, described coolant is adsorbed on described adsorptive support.
Adsorptive support disclosed by the invention can be the various material with adsorptivity of the prior art, under preferable case, described adsorptive support is adsorbent fibers cloth, can be such as blotting paper or absorbent wool, above-mentioned blotting paper or absorbent wool are adsorptivity string, well can ensure coolant dispersion attachment wherein.Above-mentioned adsorptive support is by being commercially available.Understandable, in order to reach object of the present invention, those skilled in the art can adopt and other materials like above-mentioned adsorbent fibers dry goods.
For adsorptive support, its thickness can change in a big way, and under preferable case, the thickness of described adsorptive support is 0.4-2mm.
According to the present invention, when the content of the coolant on adsorptive support changes in a big way, all its radiating effect can be ensured.Under preferable case, on described adsorptive support, the content of coolant is 1.5-5g/cm
3.Its radiating effect can be made better when the content of the coolant in adsorptive support is in above-mentioned scope, simultaneously more stable on coolant energy adsorptive support.
Under further preferable case, the surface density of described adsorptive support is 77-87g/m
2.
By coolant being adsorbed on described adsorptive support, then the adsorptive support being adsorbed with coolant is positioned in described radiating box, can in device body when being in all angles or spatiality, all ensure that coolant can dispel the heat to device body, the device body subregion avoiding the flowing of coolant to cause cannot obtain effective radiating and cooling.
As to further improvement of the present invention, describedly can also comprise multiple device body from radiating element, described radiating box between adjacent device body and simultaneously with described adjacent device body contact.
Further, the radiating box on described device body surface can have multiple.For above-mentioned multiple radiating box, can contact with each other each other or there is gap each other.
Disclosed by the invention very wide from radiating element coverage, wherein device body can be the various devices needing heat radiation, such as battery, wiring board, LED etc.
Meanwhile, the invention also discloses the above-mentioned preparation method from radiating element, comprise and radiating box is fixed on device body surface, then coolant is injected radiating box and radiating box is sealed.
Described method radiating box being fixed on device body surface can be various method of the prior art, such as, weld, bond or binding etc., conveniently operate, can directly adopt double faced adhesive tape to be pasted by radiating box and device body surface.When radiating box and device body are integrated, radiating box is fixed on device body surface by the mode by welding.Those skilled in the art according to the actual requirements and service condition, can select fixing mode.
After radiating box being fixed on device body surface, coolant is injected radiating box, the amount injecting coolant can set as required in advance.After injection, radiating box is sealed, coolant can be sealed in radiating box.
The above-mentioned method injecting coolant in radiating box has a variety of, such as, can open a liquid injection port on radiating box, injects coolant from liquid injection port; Or radiating box one side can be opened, inject coolant from this face, then this cover is merged sealing.Those skilled in the art can carry out suitable selection as required.
Understandable, those skilled in the art can also adopt preparation method similar to the above, such as, coolant injected radiating box and sealed by radiating box, then radiating box being fixed on device body surface.
Above-mentioned method coolant being injected radiating box with radiating box is fixed on the method on device body surface as previously mentioned, do not pluck at this and repeat.
According to the present invention, adsorptive support can also be set in radiating box, coolant is adsorbed on described adsorptive support.Concrete, the preparation method in above-mentioned radiating box with adsorptive support can be: be first adsorbed on adsorptive support by coolant, again the adsorptive support being adsorbed with coolant is positioned in described radiating box, and radiating box is sealed, the radiating box then inside being accommodated coolant is fixed on device body surface; Similar, coolant for be first positioned over by adsorptive support in described radiating box, then can also be adsorbed on adsorptive support by said method, then is sealed by radiating box, and the radiating box then inside being accommodated coolant is fixed on device body surface.
Can be prepared disclosed by the invention from radiating element by above method, its concrete structure as depicted in figs. 1 and 2.Wherein, the surface as device body 1 is fixed with radiating box 2, and radiating box 2 inside accommodates coolant 3.Device body 1 sends out heat thermogenetic through conducting to radiating box 2, is absorbed, carry out cooling heat dissipation to device body by the coolant 3 in radiating box 2.
For above-mentioned from radiating element, under preferable case, radiating box 2 area is less than the surface area of device body 1.
Below using lithium rechargeable battery as device body, by embodiment, the present invention is further detailed.
Embodiment 1
The present embodiment for illustration of disclosed by the invention from radiating element and preparation method thereof.
Be 0.9g/cm by proportion
3pH be 7.2 coolant (ethoxyl content of 0.4 parts by volume is the water of the ethyoxyl tallow amine of 2mol/mol, the pelargonic acid of 0.01 parts by volume, the n-octyl alcohol of 0.29 parts by volume and 99.3 parts by volume) to inject in radiating box until the volume of coolant accounts for 10% of radiating box volume from liquid injection port, liquid injection port is sealed.
Battery is reached 4.2V with 850mA constant current charge to voltage, and then with 4.2V constant voltage charge, when electric current reduces to 34mA, normal charge terminates.Shelve 10min.
Radiating box is fixed on the surface of above-mentioned battery, obtains from radiating element S1.
Embodiment 2
The present embodiment for illustration of disclosed by the invention from radiating element and preparation method thereof.
Be 0.99g/cm by proportion
3pH be 6.5 coolant (ethoxyl content of 0.04 parts by volume is the water of the ethyoxyl tallow amine of 10mol/mol, the isooctyl acid of 0.66 parts by volume, the isodecanol of 0.05 parts by volume and 99.25 parts by volume) to inject in radiating box until the volume of coolant accounts for 40% of radiating box volume from liquid injection port, liquid injection port is sealed.
Battery is reached 4.2V with 850mA constant current charge to voltage, and then with 4.2V constant voltage charge, when electric current reduces to 34mA, normal charge terminates.Shelve 10min.
Radiating box is fixed on the surface of above-mentioned battery, obtains from radiating element S2.
Embodiment 3
The present embodiment for illustration of disclosed by the invention from radiating element and preparation method thereof.
Be 1g/cm by proportion
3pH be 7 coolant (ethoxyl content of 1 parts by volume be the ethyoxyl coconut amine of 4mol/mol, the water of the pelargonic acid of 0.6 parts by volume, the n-octyl alcohol of 0.2 parts by volume, the isobutanol of 0.2 parts by volume and 98 parts by volume) to inject in radiating box until the volume of coolant accounts for 70% of radiating box volume from liquid injection port, liquid injection port is sealed.
Battery is reached 4.2V with 850mA constant current charge to voltage, and then with 4.2V constant voltage charge, when electric current reduces to 34mA, normal charge terminates.Shelve 10min.
Radiating box is fixed on the surface of above-mentioned battery, obtains from radiating element S3.
Embodiment 4
The present embodiment for illustration of disclosed by the invention from radiating element and preparation method thereof.
Be 1g/cm by proportion
3pH be 7 coolant (ethoxyl content of 2 parts by volume be the ethyoxyl coconut amine of 6mol/mol, the water of the n-octyl alcohol of the pelargonic acid of 0.6 parts by volume, 0.1 parts by volume, the Decanol of 0.1 parts by volume, the ethanol of 0.2 parts by volume and 97 parts by volume) to inject in radiating box until the volume of coolant accounts for 90% of radiating box volume from liquid injection port, liquid injection port is sealed.
Battery is reached 4.2V with 850mA constant current charge to voltage, and then with 4.2V constant voltage charge, when electric current reduces to 34mA, normal charge terminates.Shelve 10min.
Radiating box is fixed on the surface of above-mentioned battery, obtains from radiating element S4.
Embodiment 5
The present embodiment for illustration of disclosed by the invention from radiating element and preparation method thereof.
Be 1g/cm by proportion
3pH be 7 coolant (ethoxyl content of 2 parts by volume be the ethyoxyl tallow amine of 6mol/mol, the water of the pelargonic acid of 0.6 parts by volume, the n-octyl alcohol of 0.2 parts by volume, the isopropyl alcohol of 0.2 parts by volume and 97 parts by volume) to inject in radiating box until the volume of coolant accounts for 90% of radiating box volume from liquid injection port, liquid injection port is sealed.
Battery is reached 4.2V with 850mA constant current charge to voltage, and then with 4.2V constant voltage charge, when electric current reduces to 34mA, normal charge terminates.Shelve 10min.
Radiating box is fixed on the surface of above-mentioned battery, obtains from radiating element S5.
Embodiment 6
The present embodiment for illustration of disclosed by the invention from radiating element and preparation method thereof.
The method identical with embodiment 5 is adopted to prepare from radiating element, unlike, full radiating box filled by coolant, obtains from radiating element S6.
Embodiment 7
The present embodiment for illustration of disclosed by the invention from radiating element and preparation method thereof.
Be 1g/cm by 3g proportion
3, pH be 7 coolant (ethoxyl content of 2 parts by volume be the ethyoxyl coconut amine of 6mol/mol, the water of the n-octyl alcohol of the pelargonic acid of 0.6 parts by volume, 0.2 parts by volume, the isopropyl alcohol of 0.2 parts by volume and 97 parts by volume) (surface density is 80g/m to drip to the adsorbent fibers cloth being of a size of 40 × 30 × 0.5mm
2) on.
The above-mentioned adsorptive support being adsorbed with coolant is positioned in radiating box, and radiating box is sealed.
Battery is reached 4.2V with 850mA constant current charge to voltage, and then with 4.2V constant voltage charge, when electric current reduces to 34mA, normal charge terminates.Shelve 10min.
Radiating box is fixed on the surface of above-mentioned battery, obtains from radiating element S7.
Comparative example 1
It is disclosed by the invention from radiating element that this comparative example is used for comparative illustration.
Battery is reached 4.2V with 850mA constant current charge to voltage, and then with 4.2V constant voltage charge, when electric current reduces to 34mA, normal charge terminates.Shelve 10min.As device D1.
Heat dispersion is tested
To above-mentioned prepare overcharge test from radiating element S1-S6 and D1, method of testing is as follows:
Be 15-35 DEG C in temperature, under relative humidity is 45-85%, atmospheric pressure is the environmental condition of 86-106kPa, carry out overcharge safety test to above-mentioned from radiating element.Method of testing is as follows:
The output current in constant current constant voltage source is adjusted to the current value 3.4A, the output voltage that overcharge test and is adjusted to 5V.
The thermocouple probe of thermometer is fixed on high temperature adhesive plaster the middle that device body (battery) do not adhere to heat sink side, the asbestos of thick about 12 millimeters that one deck loosens will be wrapped up from radiating element surface uniform and when wrapping up, asbestos will be compacted to 6-7 millimeters thick, then the power supply in constant current constant voltage source is closed, connect tested device body (battery), universal instrument and constant current constant voltage source with wire, put in safety cabinet.
Open the power supply in constant current constant voltage source, timing simultaneously, carries out overcharge to battery; The temperature and time (every 10-30S records a temperature) of registering device body (battery), observes whether battery breach, leakage occur, is smoldered, exploded, phenomenon on fire simultaneously.
When charging current is down to close to 34mA, or be down to lower than peak value 10 DEG C when temperature, or at the end of the phenomenon such as on fire of blasting, test terminate, with being as the criterion of occurring at first in above-mentioned three kinds of situations.
Meanwhile, according to embodiment 5 method preparation from radiating element, then to this from radiating element cycle charge-discharge as follows:
Under 23 DEG C of conditions, by above-mentioned from radiating element respectively with 1C current charges to 4.2 volt, with constant-potential charge after voltage rises to 4.2 volts, cut-off current is 0.05C, shelves 10 minutes; Then with 1C current discharge to 3.0 volt, 5 minutes are shelved.Repeat above step 500 time, obtain S8, then S8 carried out heat dispersion test by preceding method again and record temperature.
The test result obtained inserts table 1.
Table 1
| Sample | Temperature peak time/min | Peak temperature/DEG C | Stopping temperature/DEG C | Whether explode |
| S1 | 38.7 | 37.1 | 30.2 | No |
| S2 | 38.4 | 36.6 | 29.8 | No |
| S3 | 31.5 | 28.3 | 27.6 | No |
| S4 | 73.2 | 27.1 | 26.4 | No |
| S5 | 70.7 | 26.2 | 21.7 | No |
| S6 | 69.7 | 28.4 | 25.7 | No |
| S7 | 70.0 | 27.6 | 23.5 | No |
| S8 | 70.5 | 26.4 | 21.3 | No |
| D1 | 69.5 | 118.9 | / | Be |
As can be seen from the test result of table 1, D1 above-mentioned overcharge condition under, can be persistently overheating, and blast when temperature arrives 118.9 DEG C.And the test result as S1-S6 can be found out, disclosed by the invention in radiating element, the battery as device body is overcharging under condition, and battery temperature significant change does not occur.
The test result of contrast S1, S2 and S3 is known, when being not more than the lower alcohol of 4 containing carbon number in coolant, very favourable to raising radiating effect.
Meanwhile, the test result of contrast S5 and S6 can be found out, when coolant underfill radiating box (S5), when its radiating effect is compared and is full of radiating box, (S6) is better, and not because the amount of coolant reduces radiating effect less, tool has an unexpected effect.
In addition, the effect of contrast S5 and S8 is known, and recycling repeatedly from radiating element, it is still excellent from radiating effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. from a radiating element, it is characterized in that, comprise device body and be positioned at the radiating box on device body surface, in described radiating box, be sealed with coolant; The fatty alcohol and water that the aliphatic acid that described coolant comprises alkoxyl tertiary amine that carbon number is 12-18, carbon number is 6-12, carbon number are 7-12; Described alkoxyl tertiary amine be selected from ethyoxyl tallow amine, ethyoxyl coconut amine, ethyoxyl ether amine, ethoxy propylene diamines one or more, described aliphatic acid is n-nonanoic acid and/or sad, and described fatty alcohol is octanol and/or decyl alcohol; In volume parts, the content of alkoxyl tertiary amine is 0.02-2%, and the content of aliphatic acid is 0.005-0.71%, and the content of fatty alcohol is 0.005-0.29%, and the content of water is 97-99.7%.
2. according to claim 1 from radiating element, it is characterized in that, in described coolant, in volume parts, the content of alkoxyl tertiary amine is 0.2-2%, and the content of aliphatic acid is 0.05-0.71%, the content of fatty alcohol is 0.05-0.29%, and the content of water is 97-99.7%.
3. according to claim 1 from radiating element, it is characterized in that, in described coolant, also comprise lower alcohol, described lower alcohol be selected from ethanol, propyl alcohol or butanols one or more.
4. according in claim 3 described in any one from radiating element, it is characterized in that, in volume parts, in described coolant, the content of lower alcohol is less than 0.5%.
5. according in claim 1-4 described in any one from radiating element, it is characterized in that, the proportion of described coolant is 0.98-1g/cm
3, pH is 6.9-7.1.
6. according to claim 1 from radiating element, it is characterized in that, in described radiating box, the volume of coolant accounts for the 10-90% of radiating box volume.
7. according to claim 1 from radiating element, it is characterized in that having adsorptive support in described radiating box, described coolant is adsorbed on described adsorptive support.
8. according to claim 7 from radiating element, it is characterized in that, on described adsorptive support, the content of coolant is 1.5-5g/cm
3.
9. according to claim 7 or 8 from radiating element, it is characterized in that, described adsorptive support is adsorbent fibers cloth, and its surface density is 77-87g/m
2, thickness is 0.4-2mm.
10. according in claim 1,6,7,8 described in any one from radiating element, it is characterized in that, described radiating box and device body are integrated.
11. is according to claim 1 from radiating element, it is characterized in that, comprises multiple device body, described radiating box between adjacent device body and simultaneously with described adjacent device body contact.
12. is according to claim 1 from radiating element, it is characterized in that, the radiating box on described device body surface has multiple.
13. is according to claim 1 from radiating element, it is characterized in that, described device body is selected from the one in battery, wiring board, LED.
14., as the preparation method from radiating element in claim 1-13 as described in any one, comprising: radiating box is fixed on device body surface, then coolant are injected radiating box and are sealed by radiating box;
Or coolant is injected radiating box and is sealed by radiating box, the radiating box then inside being accommodated coolant is fixed on device body surface;
The fatty alcohol and water that the aliphatic acid that described coolant comprises alkoxyl tertiary amine that carbon number is 12-18, carbon number is 6-12, carbon number are 7-12; Described alkoxyl tertiary amine be selected from ethyoxyl tallow amine, ethyoxyl coconut amine, ethyoxyl ether amine, ethoxy propylene diamines one or more, described aliphatic acid is n-nonanoic acid and/or sad, and described fatty alcohol is octanol and/or decyl alcohol.
15. preparation methods according to claim 14, it is characterized in that, first coolant is adsorbed on adsorptive support, again the adsorptive support being adsorbed with coolant is positioned in described radiating box, and radiating box is sealed, the radiating box then inside being accommodated coolant is fixed on device body surface;
Or be first positioned in described radiating box by adsorptive support, be then adsorbed on adsorptive support by coolant, then sealed by radiating box, the radiating box then inside being accommodated coolant is fixed on device body surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210087468.XA CN103367828B (en) | 2012-03-29 | 2012-03-29 | A kind of from radiating element and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210087468.XA CN103367828B (en) | 2012-03-29 | 2012-03-29 | A kind of from radiating element and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103367828A CN103367828A (en) | 2013-10-23 |
| CN103367828B true CN103367828B (en) | 2015-11-25 |
Family
ID=49368677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210087468.XA Active CN103367828B (en) | 2012-03-29 | 2012-03-29 | A kind of from radiating element and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103367828B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848449A (en) * | 2015-07-28 | 2016-08-10 | 维沃移动通信有限公司 | Heat dissipation device and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1620571A (en) * | 2002-02-13 | 2005-05-25 | 齐默尔股份公司 | Bursting insert |
| CN1768099A (en) * | 2003-04-01 | 2006-05-03 | 天鹰技术公司 | Thermally conductive adhesive composition and process for device attachment |
| CN102093713A (en) * | 2009-12-10 | 2011-06-15 | 财团法人工业技术研究院 | Heat dissipation composite material |
-
2012
- 2012-03-29 CN CN201210087468.XA patent/CN103367828B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1620571A (en) * | 2002-02-13 | 2005-05-25 | 齐默尔股份公司 | Bursting insert |
| CN1768099A (en) * | 2003-04-01 | 2006-05-03 | 天鹰技术公司 | Thermally conductive adhesive composition and process for device attachment |
| CN102093713A (en) * | 2009-12-10 | 2011-06-15 | 财团法人工业技术研究院 | Heat dissipation composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103367828A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205543155U (en) | Battery package cooling system | |
| CN103401044B (en) | A kind of power battery thermal management system based on flat-plate heat pipe | |
| CN202616368U (en) | Self-radiating device | |
| CN205355121U (en) | Power battery group and thermal management system thereof | |
| CN102709618B (en) | Microchannel cooling temperature equalizing system for ventilation of lithium battery | |
| CN108565370A (en) | A kind of new energy protective device with protective capability | |
| CN102655247A (en) | Method and device for constant temperature operation of lithium battery | |
| CN106207042A (en) | A kind of battery module and automobile | |
| CN208208848U (en) | A kind of easy-to-dismount power battery guard shield | |
| CN114388933A (en) | Battery module, battery package and energy storage system | |
| CN208706451U (en) | A kind of capacitor of easy heat radiation | |
| CN203427605U (en) | Power battery pack cooling system combined with electric car body | |
| CN103367829B (en) | Self-cooling device and preparation method thereof | |
| CN110767858A (en) | Battery pack and electric vehicle | |
| CN103367828B (en) | A kind of from radiating element and preparation method thereof | |
| CN104993184A (en) | Power battery and cooling system thereof | |
| CN103367835A (en) | Power battery thermal management system based on loop heat pipes | |
| CN205810898U (en) | Cylindrical battery group is used for placing the cooling stand of cylindrical battery | |
| CN202617572U (en) | Self-radiating device | |
| CN103311596B (en) | A kind of from radiating element and preparation method thereof | |
| CN103369912B (en) | A kind of from radiating element and preparation method thereof | |
| CN217468621U (en) | Battery module, battery package and energy storage system | |
| CN202616369U (en) | Self heat dissipating device | |
| CN103358888A (en) | Power battery pack cooling system combined with electric car body | |
| CN207082615U (en) | The passive heat management system of battery bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |