CN109729701A - A kind of dedicated pulsating heat pipe radiator of high power density servo-driver - Google Patents

A kind of dedicated pulsating heat pipe radiator of high power density servo-driver Download PDF

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Publication number
CN109729701A
CN109729701A CN201910075396.9A CN201910075396A CN109729701A CN 109729701 A CN109729701 A CN 109729701A CN 201910075396 A CN201910075396 A CN 201910075396A CN 109729701 A CN109729701 A CN 109729701A
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China
Prior art keywords
substrate
heat pipe
evaporation
pulsating heat
condensation
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CN201910075396.9A
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Chinese (zh)
Inventor
韦鲲
张建政
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Light Intelligent Technology (shanghai) Co Ltd
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Light Intelligent Technology (shanghai) Co Ltd
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Priority to CN201910075396.9A priority Critical patent/CN109729701A/en
Publication of CN109729701A publication Critical patent/CN109729701A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a kind of dedicated pulsating heat pipe radiators of high power density servo-driver, for solving, heat-pipe radiator production in the prior art and installation difficulty is big, size is difficult to do the technical issues of small, heat dissipation effect is influenced by heat pipe setting angle, comprising: pulsating heat pipe, evaporation ends substrate, condensation end substrate and fixed link;Wherein, evaporation ends substrate is equipped with evaporation ends conduit, and the evaporation ends of pulsating heat pipe are fixed in evaporation ends conduit;Evaporation ends substrate is equipped with fixation hole;Condensation end substrate is equipped with condensation end conduit, and the condensation end of pulsating heat pipe is fixed in condensation end conduit;Implement technical solution of the present invention, thin-walled pulsating heat pipe is set, coolant can voluntarily flow, and radiator can realize that any angle is installed;Pulsating heat pipe is fixed and protected to setting evaporation ends substrate, condensation end substrate and fixed link, and fixed hole is arranged, and reduces radiator installation difficulty, extends the radiator service life;Radiator improves heat exchange efficiency using multiple or double pulsating heat pipe, reduces radiator volume.

Description

A kind of dedicated pulsating heat pipe radiator of high power density servo-driver
Technical field
The present invention relates to motor servo driver body design field, in particular to a kind of high power density servo-driver Dedicated pulsating heat pipe radiator.
Background technique
High power density servo-driver volume is extra small to be compared with generic servo driver or motor driver bulk volume It is substantially reduced, power density is multiplied, and circuit therein generates amount of heat in high frequency operating status, needs to dissipate in time Heat, to ensure device temperature in range of safety operation.
In the prior art, preferably high power density servo-driver heat dissipation solution is to use heat pipe heat radiation technology. Servo-driver is possibly mounted at various different locations and orientation angles in practical applications, and radiator mounting inclination angle degree is to warm Whether can pipe work normally or work has a significant impact in best heat transfer conditions;The capillary inner cavity that heat pipe has, difficulty of processing It is larger, high requirement also proposed to installation, if squeezed accidentally pipe in installation process, may cause capillary damage It is bad;Conventional heat pipe is limited by the factors such as manufacture craft and heat-transfer effect, and size, volume are difficult to do small.
Therefore need one kind can be with any angle installation, safe and reliable, small size pulsating heat pipe radiator.
Summary of the invention
In order to solve the above-mentioned technical problem, a kind of dedicated pulsation heat of high power density servo-driver is disclosed in the present invention Tube radiator, the technical scheme is that be implemented:
A kind of dedicated pulsating heat pipe radiator of high power density servo-driver, comprising: pulsating heat pipe, evaporation ends substrate, Condensation end substrate and fixed link;Wherein, the evaporation ends substrate is equipped with evaporation ends conduit, and the evaporation ends of the pulsating heat pipe are fixed In in the evaporation ends conduit;The evaporation ends substrate is equipped with fixation hole, and the evaporation ends substrate is fixed by the fixation hole In on high power density servo-driver;The condensation end substrate is equipped with condensation end conduit, and the condensation end of the pulsating heat pipe is solid Due in the condensation end conduit;The fixed link is set between the evaporation ends substrate and the condensation end substrate, fixed The relative position of the evaporation ends substrate and the condensation end substrate.
Preferably, the pulsating heat pipe is fixed on the evaporation ends substrate and the condensation end group in a manner of vacuum brazing On plate.
Preferably, the pulsating heat pipe is biexhaust pipe.
Preferably, the quantity of the pulsating heat pipe is multiple.
Preferably, the fixed link is made with heat-insulating material.
Preferably, the dedicated pulsating heat pipe radiator of high power density servo-driver further includes heat exchange substrate, described Heat exchange substrate is set on the outside of the evaporation ends substrate, is made with the ceramic material of high thermal conductivity coefficient.
Preferably, the quantity of the evaporation ends substrate is 2, and the evaporation ends of the pulsating heat pipe are closed in described in two In evaporation ends substrate;The quantity of the condensation end substrate be 2, by the condensation end of the pulsating heat pipe be closed in two it is described cold In solidifying end group plate.
Preferably, the internal diameter of the pipeline of the pulsating heat pipe is 0.5-3mm.
Preferably, the thickness of the evaporation ends substrate and the condensation end substrate is no more than 10mm.
Preferably, the coolant is selected from one or more of water, methanol, ethyl alcohol, freon.
Implement that technical solution of the present invention can solve heat-pipe radiator production in the prior art and installation difficulty is big, size is difficult To do the technical issues of small, heat dissipation effect is influenced by heat pipe setting angle;Implement technical solution of the present invention, thin-walled arteries and veins is set Dynamic heat pipe, coolant can voluntarily flow, and radiator can realize that any angle is installed;Be arranged evaporation ends substrate, condensation end substrate and Pulsating heat pipe is fixed and protected to fixed link, and fixed hole is arranged, and reduces radiator installation difficulty, extends the radiator service life;Heat dissipation Device is using multiple pulsating heat pipes or uses double pulsating heat pipe, improves radiator heat exchange efficiency, reduces radiator volume.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Several embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other drawings based on these drawings.
Fig. 1 is the evaporation ends substrate, condensation end substrate of the embodiment of the present invention 1, embodiment 2, embodiment 3 and embodiment 4 Top view after being connected with fixing piece;
Fig. 2 is the heat spreader structures schematic diagram of the embodiment of the present invention 1;
Fig. 3 is the pulsating heat pipe structural schematic diagram of the embodiment of the present invention 2;
Fig. 4 is the pulsating heat pipe structural schematic diagram of the embodiment of the present invention 3;
Fig. 5 is the pulsating heat pipe structural schematic diagram of the embodiment of the present invention 4.
In above-mentioned attached drawing, each figure number label is respectively indicated:
1- pulsating heat pipe;2- evaporation ends substrate;3- condensation end substrate;4- fixed link;5- evaporation ends conduit;6- condenses end slot Road;7- fixation hole;Pulsating heat pipe on the inside of 8-;Pulsating heat pipe on the outside of 9-;Pulsating heat pipe on the downside of 10-;Pulsating heat pipe on the upside of 11-;12- Exchange heat substrate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
In a kind of specific embodiment of the invention, a kind of dedicated pulsating heat pipe cooling of high power density servo-driver Device, as depicted in figs. 1 and 2, comprising: pulsating heat pipe 1, evaporation ends substrate 2, condensation end substrate 3 and fixed link 4;Wherein, evaporation ends Substrate 2 is equipped with evaporation ends conduit 5, and the evaporation ends of pulsating heat pipe 1 are fixed in evaporation ends conduit 5;Evaporation ends substrate 2, which is equipped with, to be fixed Hole 7, evaporation ends substrate 2 are fixed on high power density servo-driver by fixation hole 7;Condensation end substrate 3 is equipped with condensation end Conduit 6, the condensation end of pulsating heat pipe 1 are fixed in condensation end conduit 6;Fixed link 4 is set to evaporation ends substrate 2 and condensation end group Between plate 3, the relative position of fixed evaporation ends substrate 2 and condensation end substrate 3.
It is vacuum environment inside pulsating heat pipe 1, is furnished with a certain amount of coolant.In radiator use process, coolant by Generation gas can be evaporated after heat, make 1 internal random of pulsating heat pipe distribution coolant section and gas section.Evaporation ends substrate 2 and condensation The metal materials such as aluminium alloy can be used in end group plate 3, have good thermal conductivity and higher structural strength, outside pulsating heat pipe 1 Side can carry out oxidation processes or setting protective layer, improve the intensity and corrosion resistance of pulsating heat pipe 1, extend the device whole longevity Life.Pulsating heat pipe 1 is set as thin-wall tube, effectively improves rate of heat exchange, improves heat dissipation effect, and it is whole to reduce radiator Body weight is convenient for user installation and use.User can according to system radiating requirement, installation region size, cost control etc. because The caliber and substrate thickness of element setting pulsating heat pipe 1, improve device compatibility.Evaporation ends substrate 2 and condensation end substrate 3 can make Manufactured with same template, symmetrical pulsating heat pipe 1 on fit structure, be easy to implement large-scale production, improve production efficiency and Installation cost is effectively reduced.The diameter of evaporation ends conduit 5 and condensation end conduit 6 can be set to be set as the outer of pulsating heat pipe 1 Diameter, so that evaporation ends conduit 5 and condensation end conduit 6 effectively clamp pulsating heat pipe 1, pulsating heat pipe 1 is because of vibration in reduction device use It is dynamic and hitting evaporation ends conduit 5 and 6 surface of condensation end conduit causes to damage, extend device lifetime.Evaporation ends conduit 5 and condensation end Also the connection structures such as the shackle member matched with pulsating heat pipe 1, groove can be set on conduit 6, further fix pulsating heat pipe 1 Position.In radiator use process, evaporation ends substrate 2 is connected in high-temperature area, to absorb high-temperature area heat, condenses End group plate 3 is set to room temperature or low-temperature region, to distribute heat.
1 evaporation ends of pulsating heat pipe being arranged in evaporation ends substrate 2 absorb the heat from high-temperature region, and pulsating heat pipe 1 steams Coolant in originator is generated gas, coolant segment body product is reduced, and gas segment body product increases, due to gas density by thermal evaporation Smaller, the gas section gas pressure intensity in 1 evaporation ends of pulsating heat pipe is continuously increased, and will push the flowing of coolant section, correspondingly, The pulsating heat pipe 1 being arranged in condensation end substrate 3 distributes heat at low ambient temperatures, the coolant segment body product in pulsating heat pipe 1 It is continuously increased, gas segment body product constantly reduces and pressure constantly declines, and coolant section can flow to gas section.In pulsating heat pipe 1 Coolant section and gas section random distribution, finally along a direction steady flow of pulsating heat pipe 1.Therefore in pulsating heat pipe 1 Coolant can automatic flowing, without external force assist.In the prior art, liquid cooling set or air-cooling apparatus generally require be equipped with pump with Push catalyst carrier.In this specific embodiment, without being equipped with catalyst carrier dynamical system, user is by the steaming of mounted radiator Substrate 2 of starting places high-temperature area, and the coolant in pulsating heat pipe 1, without additional energy consumption, can be reduced in automatic flowing under the temperature difference User maintenance cost, and simplify heat spreader structures, it is conducive to reduce radiator volume.User passes through high-temperature region temperature, low-temperature space 1 internal diameter of pulsating heat pipe, gas segment length, coolant segment length, coolant type etc. is arranged in the data such as temperature, heat dissipation region size Radiator parameter, optimizes heat dissipation effect, and radiator, that is, applicable varying environment improves the compatibility of radiator.Fixation hole 7 can be with It is set as screw hole, is bolted radiator and high power density servo-driver, is easy to install and remove, it can be achieved that quickly Coolant is replaced to radiator or is supplemented in installation convenient for user, reduces user maintenance cost.
Evaporation ends substrate 2 can be used the detachable connecting parts such as shackle member, screw, bolt with condensation end substrate 3 and connect It is suitable according to 2 size of evaporation ends substrate, 3 size of condensation end substrate and 1 size selection of pulsating heat pipe convenient for user to fixed link 4 The fixed link 4 of length improves radiator compatibility to be applicable in different dissipating-heat environments.Use the fixed evaporation ends substrate 2 of fixed link 4 With condensation end substrate 3, evaporation ends substrate 2 and condensation end substrate 3 can preferably be supported to pulsating heat pipe 1 and protective effect, So that pulsating heat pipe 1 can be not only horizontally arranged, can be needed to select more appropriate setting angle according to dissipating-heat environment.By Small in 1 caliber of pulsating heat pipe, content coolant mass is smaller, coolant by gravity or centripetal force heat dissipation effect is influenced Small, radiator can improve radiator reliability with heat sink body movement, vibration and rotation.
In a preferred embodiment, as depicted in figs. 1 and 2, pulsating heat pipe 1 is fixed in a manner of vacuum brazing On evaporation ends substrate 2 and condensation end substrate 3, the connection of pulsating heat pipe 1 Yu evaporation ends substrate 2 and condensation end substrate 3 is greatly improved Intensity.The installation of pulsating heat pipe 1 and the filling of coolant are carried out in advance, and user only needs to radiate by fixation hole 7 at the scene Device, which is fixed on high power density servo-driver, can be completed installation, reduce radiator installation time cost and manpower at This.
In a preferred embodiment, as depicted in figs. 1 and 2, fixed link 4 is made with heat-insulating material.Fixed link 4 can To use the thermal conductivity such as highstrenghtpiston poor and the higher material of intensity, effectively supported to radiator body offer same When, be conducive to form adiabatic zone between condensation end substrate 3 and heating end substrate, reduce pulsating heat pipe 1 in evaporation ends substrate 2 and cold Heat dissipation between solidifying end group plate 3 causes the coolant liquid in pulsating heat pipe 1 to be affected from flowing.
In a preferred embodiment, as depicted in figs. 1 and 2, heat exchange substrate 12 is set to outside evaporation ends substrate 2 Side is made with the ceramic material of high thermal conductivity coefficient.2 back side of evaporation ends substrate can be set to burnishing surface, and evaporation ends substrate 2 can be with Heat of the uniform pickup from high-temperature area.High power density servo-driver main body is circuit board, and there are more stitch, electricity in surface The structures such as appearance and chip are non-burnishing surface, and often there was only partial region on high power density servo-driver is heat concentration Generating region, therefore heat exchange substrate 12 can be set on the outside of evaporation ends substrate.Substrate 12 exchange heat close to the one of evaporation ends substrate Side is set as plane, fits with evaporation ends substrate 2, and heat exchange substrate 12 is close according to the high power of fitting away from the side of evaporation ends The setting of servo-driver surface shape is spent, to be optimal heat transfer effect.Replace the heat exchange substrate of different size, shape, material 12, radiator can be made to be applicable in different heat dissipation regions, improve radiator compatibility,.Insulating materials can be used in heat exchange substrate 12, Radiator short circuit current is avoided, the reliability and safety of radiator are improved.
In a preferred embodiment, as depicted in figs. 1 and 2, the quantity of evaporation ends substrate 2 is 2, by pulsation heat The evaporation ends of pipe 1 are closed in two evaporation ends substrates 2;The quantity of condensation end substrate 3 is 2, by the condensation end of pulsating heat pipe 1 It is closed in two condensation end substrates 3.Evaporation ends substrate 2 and condensation end substrate 3 is further increased to make the protection of pulsating heat pipe 1 With and supporting role.Fixation hole 7 on two evaporation ends substrates 2 and two condensation end substrates 3 can be set in corresponding position, Corresponding fixation hole 7 overlaps after guaranteeing substrate fitting, compared to using an evaporation ends substrate 2 and a condensation end substrate 3, Only needed in installation process using slightly longer bolt can fixed heat sink part, installation process is simple, it is possible to reduce use process The abrasion of middle pulsating heat pipe 1 extends device lifetime, reduces user maintenance cost.
In a preferred embodiment, as shown in Fig. 2, the internal diameter of the pipeline of pulsating heat pipe 1 is 0.5-3mm.Pulsation heat The internal diameter of the pipeline of pipe 1 is smaller, and open ended coolant volume is smaller in pulsating heat pipe 1, then the exchange capability of heat drop of pulsating heat pipe 1 It is low;The internal diameter of the pipeline of pulsating heat pipe 1 is bigger, and open ended coolant volume is bigger in pulsating heat pipe 1, the heat exchange of pulsating heat pipe 1 Ability improves, but is unfavorable for forming the gas section at isolation coolant end, Ke Nengying in coolant evaporation process in pulsating heat pipe 1 Ring flowing certainly for coolant.User it is simultaneous can to improve radiator according to parameter settings internal diameter of the pipeline such as heat dissipation capacity, coolant types Capacitive improves heat exchange efficiency.
In a preferred embodiment, as depicted in figs. 1 and 2, the thickness of evaporation ends substrate 2 and condensation end substrate 3 No more than 10mm.The thickness of evaporation ends substrate 2 and condensation end substrate 3 is thicker, and the structural strength of radiator is higher, is conducive to extend scattered The hot device service life;The thickness of evaporation ends substrate 2 and condensation end substrate 3 is thinner, and the speed that heat is transferred into and out pulsating heat pipe 1 is got over Fastly, the heat transfer effect of heat exchanger is better.User can be according to 1 size of pulsating heat pipe, heat exchange 12 type of substrate, radiator mounting ring The suitable evaporation ends substrate 2 of the parameter selections such as border, angle, heatsink weight and 3 thickness of condensation end substrate.
In a preferred embodiment, coolant is selected from one or more of water, methanol, ethyl alcohol, freon. The type of coolant is relatively conventional, reduces cost conducive to user, user can according to the heat production power of high-temperature region, temperature upper limit, The suitably single component of the parameter selections such as low-temperature space temperature, radiator specification, capacity or mixed composition coolant.User can root Demarcate the applicable coolant component of different temperatures in advance according to radiator model, reduce radiator installation time cost and manpower at This.
Embodiment 2
In a preferred embodiment, unlike the first embodiment, as shown in figures 1 and 3, pulsating heat pipe 1 is double Comb.In this specific embodiment, biexhaust pipe is set in same plane, and evaporation ends conduit 5 and condensation end conduit 6 change width Degree, i.e., applicable biexhaust pipe type pulsating heat pipe 1 is smaller on the influence of the volume of evaporation ends substrate 2 and condensation end substrate 3, but arteries and veins Effective volume improves by about one time in dynamic heat pipe 1, effectively improves radiator heat exchange efficiency, mentions convenient for the manufacture smaller radiator of volume High radiator compatibility.During radiator is applicable in, since inside pulsating heat pipe 8 is heated, end area is small, and inside pulsating heat pipe 8 is warm Degree is lower than outside pulsating heat pipe 9, increases by 1 evaporation ends of pulsating heat pipe and the condensation end temperature difference, is conducive to improve coolant flowing velocity, mention High heat exchange efficiency.
Embodiment 3
As different from Example 2, as shown in Figure 1 and Figure 4, the structure setting of biexhaust pipe is upper layer and lower layer, cooling channels Increase depth with evaporation ends conduit 5, i.e., mountable biexhaust pipe, condensation end substrate 3 and 2 area of evaporation ends substrate are not necessarily to change, cold But the capacity of agent nearly doubles, and greatly improves heat exchange efficiency.In radiator use process, 10 evaporation ends of downside pulsating heat pipe away from Closer from evaporation ends substrate 2, coolant temperature is relatively high in downside pulsating heat pipe 10, and 11 temperature of upside pulsating heat pipe is relatively Low, the temperature difference between downside pulsating heat pipe 10 and upside pulsating heat pipe 11 can generate bigger gas pressure difference, be conducive to improve Coolant automatic flowing speed improves heat exchange efficiency.
Embodiment 4
In a preferred embodiment, as shown in Figure 1 and Figure 5, as different from Example 3, the number of pulsating heat pipe 1 Amount is multiple, multiple 1 phases of pulsating heat pipe stackings.The evaporation ends for the pulsating heat pipe 1 that multiple phases stack can be hung down in use process Direct nearly high-temperature region, the smaller but higher-height high power density servo-driver suitable for the mountable space floor space in top, Radiator compatibility is improved, multiple pulsating heat pipes 1 can be set to same size, convenient for the large-scale production of radiator.
It should be pointed out that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not intended to limit the invention, it is all Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention Within the scope of shield.

Claims (10)

1. a kind of dedicated pulsating heat pipe radiator of high power density servo-driver characterized by comprising
Pulsating heat pipe, evaporation ends substrate, condensation end substrate and fixed link;Wherein,
The evaporation ends substrate is equipped with evaporation ends conduit, and the evaporation ends of the pulsating heat pipe are fixed in the evaporation ends conduit; The evaporation ends substrate is equipped with fixation hole, and the evaporation ends substrate is fixed on high power density servo-drive by the fixation hole On device;
The condensation end substrate is equipped with condensation end conduit, and the condensation end of the pulsating heat pipe is fixed in the condensation end conduit;
The fixed link is set between the evaporation ends substrate and the condensation end substrate, the fixed evaporation ends substrate and institute State the relative position of condensation end substrate.
2. a kind of dedicated pulsating heat pipe radiator of high power density servo-driver according to claim 1, feature exist In the pulsating heat pipe is fixed on the evaporation ends substrate and the condensation end substrate in a manner of vacuum brazing.
3. a kind of dedicated pulsating heat pipe radiator of high power density servo-driver according to claim 2, feature exist In the pulsating heat pipe is biexhaust pipe.
4. a kind of dedicated pulsating heat pipe radiator of high power density servo-driver according to claim 2, feature exist In the quantity of the pulsating heat pipe is multiple.
5. according to a kind of dedicated pulsating heat pipe radiator of high power density servo-driver any in Claims 2 or 3, It is characterized in that, the fixed link is made with heat-insulating material.
6. a kind of dedicated pulsating heat pipe radiator of high power density servo-driver according to claim 5, feature exist In further including heat exchange substrate, the heat exchange substrate is set to evaporation ends substrate outside, with the ceramic material of high thermal conductivity coefficient It is made.
7. a kind of dedicated pulsating heat pipe radiator of high power density servo-driver according to claim 6, feature exist In the quantity of the evaporation ends substrate is 2, and the evaporation ends of the pulsating heat pipe are closed in two evaporation ends substrates It is interior;The quantity of the condensation end substrate is 2, and the condensation end of the pulsating heat pipe is closed in two condensation end substrates It is interior.
8. a kind of dedicated pulsating heat pipe radiator of high power density servo-driver according to claim 7, feature exist In the internal diameter of the pipeline of the pulsating heat pipe is 0.5-3mm.
9. a kind of dedicated pulsating heat pipe radiator of high power density servo-driver according to claim 8, feature exist In the thickness of the evaporation ends substrate and the condensation end substrate is no more than 10mm.
10. a kind of dedicated pulsating heat pipe radiator of high power density servo-driver according to claim 9, feature exist In the coolant is selected from one or more of water, methanol, ethyl alcohol, freon.
CN201910075396.9A 2019-01-25 2019-01-25 A kind of dedicated pulsating heat pipe radiator of high power density servo-driver Pending CN109729701A (en)

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CN201910075396.9A CN109729701A (en) 2019-01-25 2019-01-25 A kind of dedicated pulsating heat pipe radiator of high power density servo-driver

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Application Number Priority Date Filing Date Title
CN201910075396.9A CN109729701A (en) 2019-01-25 2019-01-25 A kind of dedicated pulsating heat pipe radiator of high power density servo-driver

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110366351A (en) * 2019-06-18 2019-10-22 南京埃斯顿自动化股份有限公司 Servo-driver Conduction heat-sink structure and its manufacturing method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110366351A (en) * 2019-06-18 2019-10-22 南京埃斯顿自动化股份有限公司 Servo-driver Conduction heat-sink structure and its manufacturing method
CN110366351B (en) * 2019-06-18 2020-05-12 南京埃斯顿自动化股份有限公司 Manufacturing method of conduction heat dissipation structure of servo driver
WO2020253008A1 (en) * 2019-06-18 2020-12-24 南京埃斯顿自动化股份有限公司 Conductive heat dissipating structure for servo drive, and manufacturing method for same
WO2020253423A1 (en) * 2019-06-18 2020-12-24 南京埃斯顿自动化股份有限公司 Manufacturing method for conductive heat dissipation structure of servo driver

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