CN203967068U - Be applicable to the heat abstractor of heater members - Google Patents

Be applicable to the heat abstractor of heater members Download PDF

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Publication number
CN203967068U
CN203967068U CN201420112065.0U CN201420112065U CN203967068U CN 203967068 U CN203967068 U CN 203967068U CN 201420112065 U CN201420112065 U CN 201420112065U CN 203967068 U CN203967068 U CN 203967068U
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heat
hollow housing
heater members
applicable
heat abstractor
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夏常洋
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Shenzhen Military Research Technology Co., Ltd.
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夏常洋
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Abstract

The utility model discloses a kind of heat abstractor that is applicable to heater members, described heat abstractor comprises: heat absorption assembly, radiating subassembly and liquid injection pipe, described heat absorption assembly, radiating subassembly form loop, and described liquid injection pipe communicates with radiating subassembly or heat absorption assembly.The heat abstractor that is applicable to heater members described in the utility model, the used heat that need to just heater members can not discharged by other hot widening parts or power set expands to whole heat abstractor efficiently, thereby makes whole heat abstractor entire and part possess the almost efficient radiating apparatus close to isothermal; In addition, can there is not the caused contact heat resistance of physical clearance in the contact between all parts of this heat abstractor itself; The technique of designed structure is more simple and reliable compared to conventional heat pipe radiator, with low cost, and performance is more efficient, thereby more applicable.

Description

Be applicable to the heat abstractor of heater members
Technical field
The utility model relates to device heat dissipation technology field, relates in particular to a kind of heat abstractor that is applicable to heater members.
Background technology
Along with the progress of modern science and technology, increasing function element is applied in the middle of various electronic devices in large quantities, and people are to these function semiconductor device or wish as more and more higher processing speed or more powerful function, expect to there is larger power as light-emitting diode etc., user also significantly increases the corresponding used heat producing of integrated circuit to these demands of various semiconductor device, if can not effectively these used heat be rejected to external environment condition or heat sink in the middle of, the junction temperature of device inside easily exceedes safe range, such as light decay or the life-span of light-emitting diode are directly relevant to its junction temperature, or such as speed and the ability of the processing instruction of CPU can reduce along with the rising of junction temperature, it is aging that this can cause these function semiconductor device to occur fast, lost efficacy and stability shortcoming etc. affects its life-span and optimum performance.
The problem facing for semiconductor device as above, generally adopt traditionally common fin, conventional heat pipe radiator or liquid cooling heat radiator to solve this problem, because size is large and efficiency is low etc., problem can only be limited under lower density of heat flow rate and dispels the heat common fin; For conventional heat pipe radiator, because heater members size is generally less, so really can directly must be restricted by the heat pipe quantity on heater members surface, otherwise just must carry out the rear reusable heat tube radiator of heat expansion by other hot expansion material, so operation copies, waste material also occurs that heat pipe sizes restriction causes the pyrolysis of single heat pipe limited in one's ability simultaneously, and larger thermo-contact problem directly appears in heat pipe and supporting extended surface; And liquid cooling heat radiator is faced with the supporting pump of needs, and the energy consumption of pump own all makes the application of the product of this class formation be restricted with the integrity problem that has reduced product.
Simultaneously, modern society is increasing for energy-intensive pressure, so require the simple and passive heat radiation of employing as far as possible of novel construction for heat radiating device, this just needs easily processing and manufacturing of the heat abstractor that adopt, layout and efficiently extended surface and reduce as much as possible contact heat resistance more neatly.
Utility model content
In order to overcome the existing defect of existing radiator, the purpose of this utility model is: a kind of heat abstractor that is applicable to heater members is provided, the technical problem that this heat abstractor can solve is: the used heat that (1) need to can not discharge heater members by other hot widening parts expands to whole heat abstractor efficiently, thereby whole heat abstractor entire and part is possessed almost close to the such high efficiency and heat radiation of isothermal; (2). can there is not because of physical clearance contact heat resistance in the contact between all parts of heat abstractor itself; (3). the technique of designed structure is more simple and reliable compared to conventional heat pipe radiator, with low cost, thereby more applicable; (4). this heat abstractor can be controlled the junction temperature of the heater members of higher thermal current density.
For achieving the above object, the technical solution adopted in the utility model is:
A heat abstractor that is applicable to heater members, comprising: heat absorption assembly, radiating subassembly and liquid injection pipe, and described heat absorption assembly, radiating subassembly form loop, and described liquid injection pipe communicates with radiating subassembly or heat absorption assembly.
Described heat absorption assembly, comprises the first hollow housing, the first end socket, the second end socket; Described the first end socket is for sealing one end of the first hollow housing and contacting with heater members surface; The other end that the second end socket is used for sealing the first hollow housing, away from the one end on heater members surface, is respectively arranged with the aperture that is no less than a pair of certain size on the sidewall at this hollow housing near two ends.
Described radiating subassembly is formed by the second hollow housing bending, and two openends of the second hollow housing are connected with the aperture at the first hollow housing sidewall two ends, make the first hollow housing and the second hollow housing gang up each other and seal in junction.
Described the second hollow housing extends required extended surface in outside wall surface.
Described liquid injection pipe is the metal material pipe of certain wall thickness, this pipe can communicate with the second hollow housing, the first hollow housing, also can communicate with the second end socket, all after good seal, just carry out fluid injection and vacuumize by liquid injection pipe in junction when whole system, then liquid injection pipe being carried out to pinch off and sealing.
The first described hollow housing, this housing has the aperture of the reciprocity number that is no less than on its axis direction on the close sidewall at two ends, hole near the first end socket one side is hole for back flow, hole near the second end socket is steam vent, and described steam vent and hole for back flow number and position are corresponding one by one on the axis direction of the first hollow housing of heat absorption assembly.
The profile of the first described hollow housing is the cylinder that circle or arbitrary polygon form; Inner wall surface thereof is hydraulically smooth surface.
The wall that the first end socket of described heat absorption assembly is positioned at heat absorption component internal one side can be light wall surface, groove extended surface, or for to be tightly attached on this wall with porous capillary structure; The surface that the second described end socket is positioned at heat absorption component internal is smooth surface.
Described radiating subassembly is to be no less than second hollow housing of, and this hollow housing is connected and seals with corresponding hole for back flow with the steam vent of heat absorption assembly respectively by two openends of machine work and this hollow housing of bending relief.
Described heat absorption assembly and the inwall of radiating subassembly are smooth, or are provided with the capillary structures such as the extended surface of groove, thread groove, powder sintered capillary, silk screen or other concavo-convex alternate strengthening physical phase transformation.
The first end socket is in one end of the first hollow housing, and with heater members Surface Contact, so the outer surface of the first end socket can be plane or with the equiform arbitrary face of device surface, the second end socket seals at the other end of the first hollow housing and with hollow housing.Have aperture one to one at hollow housing and near on the sidewall at two ends, the aperture of close the first end socket is hole for back flow, and the aperture of close the second end socket is steam vent.When work, the heat that device produces is delivered to the first end socket by surface, working media in it absorbs heat by the first end socket and under the saturation temperature of depressing lower than its normal atmosphere, becomes mutually tempestuously steam, this saturated steam overflows the steam collection region that collects in liquid level top after vapour-liquid interface, so this first hollow housing inside is saturated vapour-liquid two-phase state, and whole the first hollow housing approaches Isothermal Condition;
Described radiating subassembly comprises the second hollow housing, the outer surface of the second hollow housing passage can arrange suitable extended surface to strengthen its heat-sinking capability as required, after the two ends bending of the second hollow housing, is connected and seals respectively with the hole for back flow of heat absorption assembly with steam vent.When work, the steam vent of the steam overflowing from the vapour-liquid interface of heat absorption component internal in its steam collection region enters in radiating subassembly, at the steam of radiating subassembly inside, by inner walls face phase transformation releasing heat, the housing of this heat by radiating subassembly and outside extended surface are discharged into external environment condition and carry out heat exchange;
Described liquid injection pipe is metal or the nonmetallic materials pipe of certain wall thickness, this pipe can communicate with a certain the second hollow housing, also can communicate with the first hollow housing, all after good seal, just carry out a certain amount of working media of filling and vacuumize by liquid injection pipe in junction when whole system, finally liquid injection pipe being carried out to pinch off and sealing.
Described operation principle understands with the first end socket of heater members Surface Contact the used heat that absorption heater part discharges in when work for heat absorption assembly, this used heat passes to the liquid in the liquid pool in this region by the first end socket wall, because this liquid is under certain vacuum degree, so this liquid can carry out rapidly the change of liquid-vapour phase under far below the corresponding saturation temperature of its normal atmosphere (An), the steam of this phase transformation can overflow vapour-liquid interface, on gravity direction, be accompanied by under the promotion of the upper and lower concentration difference of steam composition and small pressure reduction, this steam moves to the steam collection region of top, then this steam can enter radiating subassembly inside by the steam vent on this region shell wall side under the common promotion of pressure reduction and concentration difference.Meet after cold its heat is carried out to heat exchange by its wall and extended surface and outside heat sink at the saturated steam of radiating subassembly inside, thereby reach the object of heat radiation, and the steam of this second hollow housing inwall can become liquid mutually, be attached on tube wall, and under the effect of gravity (being in capillary force if inner wall belt has capillary structure), enter by hole for back flow in the liquid pool of heat absorption component internal, along with device constantly generates heat and constantly heat radiation, described heat abstractor can go down according to above-mentioned method circulation running, complete heat absorption and the heat radiation circulation of this heat abstractor, thereby reach the surface temperature of controlling heater members at security interval, to improve the life and reliability of heater members.
Produce a mass production method for above-mentioned heat abstractor, the method comprises the processing step of following order:
(1). the making of the first hollow housing: because the sectional dimension of this hollow housing is unrestricted, can be according to select suitable sectional dimension for scene, so this housing can adopt the mould production formulation section bar in industry, formulation material coordinates such section bar that stretches, the way that also can adopt sheet material to carry out carrying out welding on interface after convolution obtains, then after above-mentioned section bar being cut off, carrying out common machine work (must be as lathe turning end face, or the fit dimension parameter of CNC end face milling), this hollow housing also can adopt punching press out, if adopt the way of punching press, can be by the end socket of the related one end of hollow housing together punching press out, and to should hollow housing adopting the machine work way of boring or punching near the aperture at two ends.Its material can be metal or the nonmetallic materials such as copper material, aluminium, carbon steel or stainless steel.
(2). the making of the first end socket: can adopt mould to carry out sheet stamping, or lathe and CNC turning, its surface configuration contacting with heater members can be other shape such as circular, square, and consistent with heater members surface; Its surface that is positioned at the first hollow housing inside can be smooth, also can be the surface with loose structure, corresponding loose structure, can adopt galvano-cautery or chemical corrosion to form, employing machine work forms, adopt metal or non-metal powder sintering (must be metal or the non-metal powders such as copper powder, aluminium powder, powder of stainless steel) to form, also can adopt metal or nonmetal silk screen to be attached to inner surface and form, and the first end socket need to adopt metal material or the nonmetallic materials with certain capacity of heat transmission.
(3). the making of the second end socket: can adopt mould to carry out sheet stamping, or the machining way such as lathe and CNC turning, its interface shape can be identical with the end face of the first hollow housing, can be also the cross section of non-regular shape.
(4). the making of radiating subassembly: can adopt mould to carry out formulation material, the end that then coordinates the aperture on turning processing two ends needs and the first hollow housing to match; Also radiating subassembly can be divided into three parts processes, hollow housing with extended surface adopts mould formulation, the hollow housing that two ends need to bend adopts the way of formulation or stretching to obtain, and then three parts is carried out to adaptation according to assembling shown in Fig. 4 (a) is rear with the hole at the first hollow housing two ends; The whole hollow housing of radiating subassembly can also be adopted to formulation section bar, the part of the extended surface then this hollow housing outer wall being needed adopts close-fitting or welding to get on.
(5). the making of liquid injection pipe: can adopt mould formulation material to obtain;
(6). working media: can adopt the way of outsourcing to obtain for the working media of needs, inevitable deionized water, R-134a, methyl alcohol, acetone etc. liquid or solid.
Then the two ends of the first hollow housing are as above coordinated extended surface composition radiating subassembly and the liquid injection pipe of the first end socket and the heat absorption of the second end socket composition assembly, the second hollow housing and outer wall thereof to weld and sealing according to blank area each other, finally carry out filling operation medium, vacuumize and be interrupted liquid injection pipe welded seal end at liquid injection pipe place, obtain a kind of heat abstractor that is applicable to heater members.
Owing to adopting technique scheme, make the utility model compared with prior art, there is following useful effect:
(1). simple in structure, easily manufactured, economic benefit is obvious
Each structure member of the present utility model can adopt the mold product of industry maturation to carry out volume production substantially, and coordinate suitable lathe or CNC to process, the all parts of each product can once weld successfully by the assembling of close industry maturation and welding method, produce in enormous quantities thereby realize, whole filling and sealing process are all can be by ripe production process, so be particularly suitable for producing in enormous quantities, reliability and product yield are all very high, can create great economic worth;
(2). radiating efficiency is high, reduces device used heat and transmits resistance
Because the first end socket and the first hollow housing cross sectional shape and size can design and produce according to actual heater members surface characteristics, do not need other accessory, so can ensure device outer surface can with this heat abstractor close fit, reduce each layer of contact heat resistance; Each radiating subassembly branch road is each other close to isothermal, the structure of radiating subassembly can ensure that its outer expanding area can be enough efficient, and the heat sink exchange media motion in extended surface outside is smooth and easy efficient each other, the heat that reduces device surface arrives heat sink resistance; .Through inventor's test, this heat abstractor, in suitable air blast cooling situation, can reach 100W/cm to density of heat flow rate 2device shell surface to heat sink total resistance of carrying out of device be low to moderate the heat radiation of 0.082 DEG C/W.
(3). easy for installation, be beneficial to engineering application
This heat abstractor can fully be realized and not need other auxiliary installing component to get final product so that this heat abstractor coordinates installation well with device surface by the feature of the first end socket, solves product engineering and installs.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, will the accompanying drawing of required use in embodiment be briefly described below.Accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, is not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the front section view of a kind of heat abstractor that is applicable to heater members of providing of the first embodiment of the present utility model;
Fig. 2 is the schematic diagram of a kind of heat abstractor that is applicable to heater members of providing of the first embodiment of the present utility model;
Fig. 3 is a kind of radiating subassembly schematic diagram that the first embodiment of the present utility model provides; Wherein 3a-3c is respectively the difformity radiating subassembly example schematic of heat abstractor;
Fig. 4 is the one heat absorption assembly schematic diagram that the first embodiment of the present utility model provides; The difformity heat absorption assembly example schematic that wherein 4a and 4b are heat abstractor;
Fig. 5 is the schematic diagram of a kind of heat abstractor that is applicable to heater members of providing of the second embodiment of the present utility model;
Fig. 6 is the schematic diagram of a kind of assembly that absorbs heat of providing of the 3rd embodiment of the present utility model;
Fig. 7 is the schematic diagram of a kind of assembly that absorbs heat of providing of the 4th embodiment of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, this area related personnel is not making the every other embodiment obtaining under creative work prerequisite, all belongs to the scope of the utility model protection.
The utility model embodiment provides a kind of heat abstractor that is applicable to heater members and preparation method thereof, this device relies on the design feature of self to make to be positioned at the used heat of heat absorption component internal liquid pool absorption heater part and undergoes phase transition and absorb heat and produce steam, this steam enters radiating subassembly by steam vent after arriving steam collection region, and become mutually liquid and discharge certain latent heat of phase change, this liquid is got back to the liquid pool inside of heat absorption component internal under the effect of self gravitation or capillary, thereby realizes heat absorption and the heat radiation of this heat abstractor.Below be elaborated respectively.
Refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, wherein, Fig. 1 is that the utility model is applicable to the heat dissipating method of heater members and the front section view of device, Fig. 2 is the perspective view of a kind of heat abstractor that is applicable to heater members of the present utility model, Fig. 3 is the radiating subassembly example schematic of this heat abstractor, Fig. 4 is the heat absorption assembly example schematic of this heat abstractor, and Fig. 5 is a kind of the second embodiment three-dimensional combination figure of the heat abstractor that is applicable to heater members; Fig. 6 is a kind of the 3rd embodiment three-dimensional combination figure of the heat abstractor that is applicable to heater members; Fig. 7 is a kind of the 4th embodiment three-dimensional combination figure of the heat abstractor that is applicable to heater members.
A kind of heat abstractor that is applicable to heater members comprises:
As shown in Figure 1, heat absorption assembly 1, comprises the first hollow housing 11, the first end socket 13, the second end sockets 12 and liquid injection pipes 5; This first hollow housing 11 is respectively arranged with steam vent 15 and hole for back flow 14 near two ends; The second end socket 12 of this hollow housing serves as resistance to compression and sealing function, and the first end socket 13 serves as sealing, resistance to compression, reinforced transformation and laminating heater members heat transmission function;
Radiating subassembly 2, comprises extended surface 22 long on the second hollow housing 21 and housing outer wall;
Absorb heat in the time being made into product assembly 1 and radiating subassembly 2 of this contrive equipment communicates each other and seals, and one end, two ends and the steam vent 15 of radiating subassembly join, and one end and hole for back flow 14 join, and form sealed circuit, this heat abstractor its heat absorption component internal in the time of work has a liquid pool 16 near end socket 13, the interior working media of this liquid pool absorbs from the used heat of heater members surface discharge and is phase-changed into saturated steam 17, enter near near the steam pooling zone the second end socket, then the radiating subassembly 2 entering by steam vent 15 under the concentration difference of steam and small pressure reduction, while entering radiating subassembly 2 steam can be first by one section of pipe 21 and start to carry out heat exchange with the heat sink of housing outer wall by hollow housing wall, inner steam is met the cold latent heat of phase change that can discharge and is become liquid, outside heat sink heat absorption improves the temperature of self, in order to strengthen this phase-change heat, can consider as required the extended surface of long extended surface 22 whether or long what form, such as seeing Fig. 3 (a), Fig. 3 (b), the extended surface of Fig. 3 (c) or other form, can arrange neatly the form of extended surface according to the direction of motion of heat sink heat-absorbing medium simultaneously, but need to ensure that all the other are all unimpeded except the hollow housing of radiating subassembly for the direction of motion of heat-absorbing medium, such as heat sink medium, on the axial direction of heat absorption assembly, extended surface can be with reference to the reference form of figure 3 (a) while moving, now corresponding heat abstractor is as Fig. 2 and Fig. 5, but be not limited in this form, can be with reference to the form of figure 3 (b) and Fig. 3 (c) in the time that the axial direction of the direction of motion of heat sink heat-absorbing medium and heat absorption assembly is vertical, now corresponding heat abstractor, as Fig. 6 and Fig. 7, still not only limits this form,
On the surface of the inner chamber of the first end socket 13 in heat absorption assembly 1, can consider whether to need to increase according to the density of heat flow rate size of heater members the reinforced transformation structure of favourable phase transformation, this reinforced structure can be powder sintered capillary, braiding silk screen, the groove of certain parameter, nano coating, carbon nano-tube or other concavo-convex alternate arbitrary shape enhanced surface features;
Liquid injection pipe 5 need to be welded on heat absorption the second end socket 12 of assembly 1 or the hollow housing of radiating subassembly surface and through this end socket or sidewall of radiating subassembly hollow housing, the object of this pipe is in the time that this invention is made to product, need to this system be carried out fluid injection body and be vacuumized and pinch off liquid injection pipe welded seal.
Liquid 16 in liquid pool can absorb a large amount of heat in the time that heat absorption becomes steam mutually, this steam enters to meet after radiating subassembly and coldly can become mutually liquid at its saturation temperature point at that time, and liquid-working-medium can be under the effect of gravity in the liquid pool in the hot assembly of motion resorption, complete circulation, simultaneously, when work, need to ensure that liquid pool has a certain amount of liquid all the time, after whole system Thermodynamically stable and most parts stable and whole heat abstractor of maintaining on macroeconomic significance of the temperature that maintains heater members surface maintain a good isothermal feature.
A kind of heat dissipating method and the device that above the utility model embodiment are provided are described in detail, applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, to sum up, this description should not be construed as restriction of the present utility model meanwhile.

Claims (10)

1. a heat abstractor that is applicable to heater members, is characterized in that, comprising: heat absorption assembly, radiating subassembly and liquid injection pipe, and described heat absorption assembly, radiating subassembly form loop, and described liquid injection pipe communicates with radiating subassembly or heat absorption assembly.
2. the heat abstractor that is applicable to heater members as claimed in claim 1, is characterized in that:
Described heat absorption assembly, comprises the first hollow housing, the first end socket, the second end socket; Described the first end socket is for sealing one end of the first hollow housing and contacting with heater members surface; The other end that the second end socket is used for sealing the first hollow housing, away from the one end on heater members surface, is respectively arranged with the aperture that is no less than a pair of certain size on the sidewall at this hollow housing near two ends.
3. be applicable to as claimed in claim 1 the heat abstractor of heater members, it is characterized in that: described radiating subassembly is formed by the second hollow housing bending, two openends of the second hollow housing are connected with the aperture at the first hollow housing sidewall two ends, make the first hollow housing and the second hollow housing gang up each other and seal in junction.
4. the heat abstractor that is applicable to as claimed in claim 3 heater members, is characterized in that: described the second hollow housing extends required extended surface in outside wall surface.
5. be applicable to as claimed in claim 1 the heat abstractor of heater members, it is characterized in that: the metal material pipe that described liquid injection pipe is certain wall thickness, this pipe can communicate with the second hollow housing, the first hollow housing, also can communicate with the second end socket, all after good seal, just carry out fluid injection and vacuumize by liquid injection pipe in junction when whole system, then liquid injection pipe being carried out to pinch off and sealing.
6. be applicable to as claimed in claim 2 the heat abstractor of heater members, it is characterized in that: the first described hollow housing, this housing has the aperture of the reciprocity number that is no less than on its axis direction on the close sidewall at two ends, hole near the first end socket one side is hole for back flow, hole near the second end socket is steam vent, and described steam vent and hole for back flow number and position are corresponding one by one on the axis direction of the first hollow housing of heat absorption assembly.
7. the heat abstractor that is applicable to as claimed in claim 2 heater members, is characterized in that: the profile of the first described hollow housing is the cylinder that circle or arbitrary polygon form; Inner wall surface thereof is hydraulically smooth surface.
8. be applicable to as claimed in claim 2 the heat abstractor of heater members, it is characterized in that: the wall that the first end socket of described heat absorption assembly is positioned at heat absorption component internal one side can be light wall surface, groove extended surface, or for to be tightly attached on this wall with porous capillary structure; The surface that the second described end socket is positioned at heat absorption component internal is smooth surface.
9. a kind of heat abstractor that is applicable to heater members as claimed in claim 1, it is characterized in that: described radiating subassembly is to be no less than second hollow housing of, this hollow housing is connected and seals with corresponding hole for back flow with the steam vent of heat absorption assembly respectively by two openends of machine work and this hollow housing of bending relief.
10. a kind of heat abstractor that is applicable to heater members as claimed in claim 1, it is characterized in that: described heat absorption assembly and the inwall of radiating subassembly are smooth, or be provided with the capillary structures such as the extended surface of groove, thread groove, powder sintered capillary, silk screen or other concavo-convex alternate strengthening physical phase transformation.
CN201420112065.0U 2014-03-13 2014-03-13 Be applicable to the heat abstractor of heater members Active CN203967068U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103985680A (en) * 2014-03-13 2014-08-13 夏常洋 Cooling apparatus suitable for heating device and preparation method thereof
CN110386765A (en) * 2019-09-03 2019-10-29 北京环健畅想量子科技有限公司 A kind of vacuum glass

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103985680A (en) * 2014-03-13 2014-08-13 夏常洋 Cooling apparatus suitable for heating device and preparation method thereof
CN103985680B (en) * 2014-03-13 2017-09-19 深圳市军研科技有限公司 Heat abstractor suitable for heater members and preparation method thereof
CN110386765A (en) * 2019-09-03 2019-10-29 北京环健畅想量子科技有限公司 A kind of vacuum glass

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Effective date of registration: 20180523

Address after: 518000 Guangdong Baoan District Shenzhen Shiyan Street Longteng community lower row village two district Lane 38 No. 903

Patentee after: Shenzhen Military Research Technology Co., Ltd.

Address before: 421000 villager village group 19, new Tian Village, Peng Tang Township, Hengyang, Hunan

Patentee before: Xia Changyang

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