CN104717877B - A kind of cooling device in servo controller or frequency converter - Google Patents
A kind of cooling device in servo controller or frequency converter Download PDFInfo
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- CN104717877B CN104717877B CN201510169547.9A CN201510169547A CN104717877B CN 104717877 B CN104717877 B CN 104717877B CN 201510169547 A CN201510169547 A CN 201510169547A CN 104717877 B CN104717877 B CN 104717877B
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- heat
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- thermal trough
- conducting piece
- cooling device
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Abstract
The present invention provides a kind of cooling device in servo controller or frequency converter, the cooling device includes pressure-air air inlet pipe, air purifier, heat-conducting piece and copper silencer, and one or more thermal troughs are included in the heat-conducting piece, the heat-conducting piece is copper and/or aluminum heat-conducting piece；Pressure-air enters in the thermal trough after the air purifier purification in air inlet pipe, and the heat generating member taken away from the servo controller or frequency converter is transferred to the heat on the heat-conducting piece, then realizes cooling procedure through discharging hot-air in copper silencer.The present invention is solved because servo controller and frequency converter heat dissipation problem cause the problem of servo controller and frequency converter internal electron part dust stratification dirt, long-pending oil cigarette etc. influence machinery equipment service precision and life-span, and heat generating member overheat to cause the problems such as electric capacity blast on its periphery is damaged.
Description
Technical field
The invention belongs to industrial motor chip heat abstractor field, and in particular to one kind is used for servo controller or frequency conversion
Cooling device in device.
Background technology
Servo-driver and frequency converter are largely used to industrial machine, and the industrial machine for production is all to be in work for a long time
The servo-driver and frequency converter for making state, particularly control machine running are nearly all incessantly in work, because servo
The inside mainboard chip heat generating member (IGBT for including CPU and GPU) of controller and frequency converter is constantly in computing state, servo control
IGBT (powerful soft copy) temperature is very high inside device and frequency converter processed, is radiated if do not given, and will result in internal first device
Part is damaged, and electric capacity explosive element burns, therefore servo controller and frequency converter are that a kind of inevitable expensive in industrial machine disappears
Consumption product.
In order to be radiated to the heat generating member igbt chip inside servo controller and frequency converter, formula wind of mainly taking the initiative at present
Fan radiating and passive type aluminium flake two kinds of radiating modes of radiating.For example SANYO GS, Mitsubishi, Panasonic and Chinese Delta are all using master
Dynamic formula fan cooling and the radiating of passive type aluminium flake.The drawbacks of both radiating modes have very big.Active fan cooling：Radiating
After device works long hours, dust, oil smoke can be adsorbed in fan blade, fan is ultimately caused and damages stuck；And fan cooling is most caused
The problem of life is the pneumatic dust of factory work to be sucked inside servo controller and frequency converter, causes servo controller and change
Deposition dust is excessive inside frequency device, and over-heat inside damages electronic component, in turn results in short-circuit or even on fire, blast.Passive type aluminium
Piece radiates：The drawbacks of because of fan cooling, is more, thus much servo controller and frequency converter producer are just changed to use passive type aluminium flake
Radiating, this radiating mode be exactly inside servo controller and frequency converter with one than larger aluminium radiating fin as scattered
Hot device carrier is delivered to the high temperature inside servo-driver PLC on the shell for the machinery equipment for installing servo controller and frequency converter
Or on electronic box shell.This radiating mode is slightly better than fan cooling, and it will not adsorb dust to servo controller and frequency converter
The inside, but radiating effect is then obvious without active fan cooling effect；And because this radiating is that heat is conducted to electricity
Case or machine casing, too high heat can cause the temperature problem of other electric equipments again, have influence on other electronic components
Stability.
A kind of cooling system of the advantage of combination above two mode is provided in patent CN201010107787.Specifically,
The air injection original paper that the cooling system is arranged using multiple arrays receives a pressure-air, and it is low that pressure-air is converted into one
Warm air.Each air sparging element includes an air inlet and a gas outlet.Air inlet guides pressure-air to each air and sprays member
Each air sparging element is left for Cryogenic air in part, gas outlet.Cryogenic air is used to the high temperature air discharged with rack server
Heat exchange is carried out, or enters in the server casing in rack server to be radiated.But still can in the cooling system
Use fin structure, and purification of the air imported in the cooling system without air purifier, thus cooling system operation
After a period of time will in fin structure fouling, block, and then need change fin structure, the basic phase of cost thus brought
When in the expense for changing whole cooling system.
Thus, those skilled in the art also need to do the improvement for the cooling device in servo controller or frequency converter
Go out effort, to solve the radiating effect and life problems of radiator in servo controller or frequency converter.
The content of the invention
Based on the above-mentioned state of the art, the present inventor develops the cooling dress of a kind of servo controller or frequency converter
Put, the device is one developed on the basis of above-mentioned two big radiating systems (active fan cooling and passive type aluminium flake radiating)
Kind new heat abstractor, the improved method completely avoid fan suction dirt problems and fan is stuck does not turn to cause SERVO CONTROL
Device and frequency converter temperature are too high so as to electric capacity blast and the problem of component wear, and the cooling device is simple in construction, maintenance side
Just.The cooling device of the present invention can utilize factory's central gas supply environment, it is not necessary to additionally increase single compressor.Gases at high pressure
Inlet suction port is connected with factory central gas supply valve, and the gases at high pressure of access first pass through steam trap (or oil water separator)
Purification.Because the moisture and oil gas impurity in compressed air can influence the life-span of heat abstractor.First by swiftly flowing
Gas takes away heat, then completes radiation processes by the heat exchange of copper silencer and environment, to reach servo controller and change
The purpose of frequency device inner heat part high efficiency and heat radiation.The cooling device and radiating mode that the present invention is provided should in intelligence machine equipment
More stablized with the operation of intelligence machine equipment with scale, integrated, can be made.
Therefore, the present invention provides a kind of cooling device in servo controller or frequency converter, the cooling device bag
Include in pressure-air air inlet pipe, air purifier, heat-conducting piece and copper silencer, and the heat-conducting piece and to be led comprising one or more
Heat channel, the heat-conducting piece is copper and/or aluminum heat-conducting piece；Pressure-air is after the air purifier purification in air inlet pipe
Into in the thermal trough, the heat generating member taken away from the servo controller or frequency converter is transferred to the heat on the heat-conducting piece
Amount, then realize cooling procedure through discharging hot-air in copper silencer.
The copper silencer is commercially available part, and the body shape of its funtion part is similar to the cap of a pen (see Fig. 2), and heat is empty
Gas enters copper silencer at its opening (at hickey), copper silencer is the cavernous transformation knot being made up of many small copper pearls
Structure, hot-air is exited into surrounding air from the gap of small steel ball, comes from the heat generating member of servo controller or frequency converter
In heat realize here radiating effect, complete radiation processes.In a kind of specific embodiment, the copper silencer
For the silencer of threaded structure, it is screwed onto on the heat-conducting piece when using.Silencer of the prior art is also such as moulded
Expect the species such as silencer and stone material silencer, but because the former is thermo-labile, the latter's thermal conductivity is not high enough, thus specially selected in the present invention
Use copper silencer.After a long time use, such as use time is more than 1~2 year, then copper to eliminate the noise for the cooling device of the present invention
The full dirt brought from air may be accumulated in device, is several yuans of copper noise elimination by changing each value now
Device is that the radiating effect that may be such that whole cooling device is lived again；And come in the prior art by using devices such as radiating fins
During radiating, the whole radiator of replacing is equal to if radiating fin is changed, thus its economy consume is relatively high.Make in the present invention
The effect of noise elimination can also be accordingly reached while radiating with copper silencer, to eliminate the huge sound of pressure-air.
In the present invention, the air purifier is commercially available steam trap or oil water separator, as long as can be empty by compression
The air purifier that the impurity such as moisture content, oil content in gas are removed all may be used.The air purifier set in the present invention can cause into
Entering the air in cooling device of the present invention becomes clean, so as to avoid incidental servo controller in the prior art or
The situation that frequency converter is ionized or leaked electricity in hyperbaric environment.In the present invention, the hot-air does not limit its temperature as some model
Enclose, only because the temperature for the hot-air discharged from copper silencer is necessarily higher than the temperature of the pressure-air into thermal trough
Degree, thus it is named as hot-air.
In a kind of embodiment, the remainder sealing in the thermal trough in addition to its air admission hole and gas outlet
Set.Skilled addressee readily understands that, the air admission hole of thermal trough is connected with the pressure-air air inlet pipe, and thermal trough
Gas outlet connected with the copper silencer.In the present invention, pressure-air can't directly blow to the servo controller or
The heat generating member of frequency converter, but the heat transfer at this is realized by fitting for the heat-conducting piece back side and the heat generating member.
Preferably, the number of the thermal trough is two or more and corresponding in the gas flow downstream of each thermal trough
It is provided with a copper silencer for being used to discharge hot-air and directly carry out heat exchange with the external world.In the present invention, led to described
The shape of heat channel does not have any restriction, and its shape is, for example, vertical bar type, arc stripe shape, circular ring type etc., according to the shape of heat generating member and
Structure is accordingly designed.It may occur to persons skilled in the art that, the number and copper of the thermal trough designed in the present invention
The number of matter silencer is consistent, and the two size is matched, the radiating effect that can be now optimal.
In a kind of embodiment, entering positioned at air purifier upstream is provided with the pressure-air air inlet pipe
Gas interface and positioned at air purifier downstream and the fumarole matched corresponding to the thermal trough number.
In the present invention, the intake interface can connect Pneumatic component (this in many machinery equipments of machinery equipment in itself
Body all contains Pneumatic component), a compressed gas pipeline is tapped from Pneumatic component to the cooling device of the present invention, the air inlet connecting
Electronic valve can be installed at mouthful, servo controller and frequency converter is may act on, starting up synchronous with machinery equipment and closing；
The intake interface can also and be not attached on the Pneumatic component of machinery equipment, and the individually connection one at factory's central gas supply
Bar steam line., can be according to machine and any changing-over of environment, as long as ensureing the cooling dress that the present invention is provided in specific implementation process
Compressed gas (such as pressure-air) can be accessed in putting.
In a kind of embodiment, a diameter of 1~5mm of the fumarole.In general, the fumarole
Diameter be arranged on 2mm or following, be so conducive to forming pressure-air in thermal trough, the promotion without any pump.
In a kind of embodiment, the length of the thermal trough is 2~50cm, preferably 5~30cm；The heat conduction
The width of groove is 1~10cm, preferably 2~6cm；The depth of the thermal trough is 1~10cm, preferably 2~6cm.A kind of specific
In embodiment, air gauge is additionally provided with the pressure-air air inlet pipe.
Preferably, the whole face in the back side of the heat-conducting piece comprising thermal trough is smooth.In the present invention, the heat conduction for including thermal trough
The back side of part is used to fit with the heat generating member (IGBT such as containing CPU and GPU) in servo controller or frequency converter, can with most maximum
Energy ground is by the heat transfer in heat generating member to copper or aluminum heat-conducting piece.
The operation principle of cooling device of the invention whole is：Heat is excluded at a high speed using compressed air at copper silencer
Shed, heat transfer of the copper silencer on heat conduction splitter box downstream, heat conduction splitter box to copper silencer, high velocity stream
Dynamic gas takes away the temperature on copper silencer.Copper silencer is the part being convenient for changing very much, if greasy dirt dust is stifled
It is individually replaced when plug is serious or damages.In addition, can according to the size and cooling requirements of servo controller and transducer power
To change the copper silencer that size, volume are different.
Beneficial effects of the present invention：The present invention can be carried Pneumatic component using machinery equipment and tap a Pneumatic pipe extremely
The cooling device (is explained：Most of intelligence machine equipment that factory uses inherently carries Pneumatic component, the compression of the part
Gas equally derives from factory's central gas supply pipeline).The present invention utilizes aerodynamic principle and heat transfer principle, utilizes compression
The flowing of air high speed comes to industrial control commponent servo controller and the cooling radiating of frequency converter internal heating element.The present invention has
Beneficial effect is solved because servo controller and frequency converter heat dissipation problem cause servo controller and frequency converter internal electron zero
The problem of part dust stratification dirt, long-pending oil cigarette etc. influence machinery equipment service precision and life-span, and heat generating member overheat cause its periphery
The problems such as electric capacity blast is damaged.
Brief description of the drawings
The dimensional structure diagram for the cooling device that Fig. 1 provides for the present invention；
Fig. 2 is the schematic diagram of commercially available copper silencer.
In figure：1st, pressure-air air inlet pipe, 2, air purifier, 3, heat-conducting piece, 4, copper silencer, 5, air gauge；11、
Intake interface, 12, fumarole, 31 thermal troughs.
Embodiment
Illustrate the present invention by specific examples below, but the scope of the present invention is not limited in following examples.
Embodiment 1
The radiator of SANMOTION AC SERVO SYSTEMS servo controllers has been burnt out originally, and radiator fan is oily
Dirt is stuck not to be turned, the blast of 400V150UF electric capacity.Now, electric capacity is changed, and original radiator and fan are removed (if
The cooling device that accessed in the present invention in new servo controller, needs also exist for removing original radiator), it is changed to this
The cooling device provided in invention.
As shown in Figure 1, the inventive system comprises：Pressure-air air inlet pipe, air purifier, heat-conducting piece, copper disappear
Comprising 4 parallel vertical bar type thermal troughs in sound device and air gauge, and the heat-conducting piece, the heat-conducting piece is copper and/or aluminium
Matter heat-conducting piece；Pressure-air enters in the thermal trough after the air purifier purification in air inlet pipe, takes away from described
The heat generating member of servo controller or frequency converter is transferred to the heat on the heat-conducting piece, then through discharging hot-air in copper silencer
And realize cooling procedure.It is provided with the pressure-air air inlet pipe positioned at the intake interface of air purifier upstream and positioned at sky
Gas purifier downstream and the fumarole matched corresponding to the thermal trough number.Heat conduction slot length in described device is 25cm,
Width and the equal 5cm of depth, a diameter of 2mm of fumarole.The pressure-air of factory's central gas supply is accessed at the intake interface.
After the cooling device of the startup present invention radiates to the servo controller, gone to touch heating original paper and thermal trough with hand,
Imperceptible obvious thermal sensation, illustrates that the radiating effect for the cooling device that the present invention is provided is obvious.Copper silencer is pneumatic conventional
Accessory, easily can change and safeguard.The copper silencer and air purifier (steam trap) of the present invention is commercially available
Common components.
Skilled addressee readily understands that, the bottom surface of heretofore described thermal trough 31 (close to servo controller or
The side of the heat generating member of frequency converter) it is totally enclosed, accordingly, cover plate is also equipped with the thermal trough 31.Therefore, it is described
Fumarole only positioned at its length direction two ends and the gas outlet for leading to the copper silencer in thermal trough, and remainder
All it is sealed.And the pressure-air in the present invention flows through the thermal trough 31, thus without pump or miscellaneous equipment it is the present invention
Cooling device provide driving force.
Radiating mode in the present invention is totally different from prior art, does not further relate to fan cooling in the present invention or fin dissipates
Heat, the present invention first applies to copper silencer in the heat abstractor of servo controller or frequency converter, passes through copper silencer
The heat that heat generating member in servo controller or frequency converter is produced is taken away in time.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
1. a kind of cooling device in servo controller or frequency converter, the cooling device includes pressure-air air inlet pipe
(1), air purifier (2), heat-conducting piece (3) and copper silencer (4), and in the heat-conducting piece comprising it is multiple be parallel to each other it is straight
Stripe shape thermal trough (31), the heat-conducting piece is copper and/or aluminum heat-conducting piece, the back of the body of the heat-conducting piece (3) comprising thermal trough (31)
Face is smooth, and the heat-conducting piece back side is used for setting of being fitted with the heat generating member of servo controller or frequency converter；Except it enters in the thermal trough
Remainder sealing beyond stomata and gas outlet is set, and the bottom surface of thermal trough is the heating close to servo controller or frequency converter
The one side of part is totally-enclosed, and the top surface side of thermal trough is provided with cover plate and it is sealed；It is provided with the pressure-air air inlet pipe (1)
Intake interface (11) and the fumarole (12) positioned at air purifier (2) downstream positioned at air purifier (2) upstream；Each
The gas flow downstream of thermal trough (31), which is correspondingly provided with one, to be used to discharge hot-air and directly carries out heat exchange with extraneous
Copper silencer (4)；Pressure-air enters the thermal trough after air purifier (2) purification in air inlet pipe (1)
(31) in, the heat generating member taken away from the servo controller or frequency converter is transferred to the heat on the heat-conducting piece (3), then through copper
Hot-air is discharged in matter silencer (4) and realizes cooling procedure.
2. cooling device according to claim 1, it is characterised in that in the heat-conducting piece comprising 4 be parallel to each other it is straight
Stripe shape thermal trough.
3. cooling device according to claim 1, it is characterised in that the copper silencer is the noise elimination of threaded structure
Device, and the end of thread of copper silencer is screwed onto on the heat-conducting piece.
4. cooling device according to claim 1, it is characterised in that a diameter of 1~5mm of the fumarole (12), and
The number of fumarole (12) is identical with thermal trough (31) number.
5. cooling device according to claim 4, it is characterised in that a diameter of 1~2mm of the fumarole (12).
6. the cooling device according to any one in Claims 1 to 5, it is characterised in that the length of the thermal trough (31)
Spend for 2~50cm；The width of the thermal trough (31) is 1~10cm；The depth of the thermal trough (31) is 1~10cm.
7. cooling device according to claim 6, it is characterised in that the length of the thermal trough (31) is 5~30cm, institute
The width for stating thermal trough (31) is 2~6cm, and the depth of the thermal trough (31) is 2~6cm.
8. the cooling device according to any one in Claims 1 to 5, it is characterised in that the pressure-air air inlet pipe
(1) air gauge (5) is additionally provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169547.9A CN104717877B (en) | 2015-04-13 | 2015-04-13 | A kind of cooling device in servo controller or frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169547.9A CN104717877B (en) | 2015-04-13 | 2015-04-13 | A kind of cooling device in servo controller or frequency converter |
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| Publication Number | Publication Date |
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| CN104717877A CN104717877A (en) | 2015-06-17 |
| CN104717877B true CN104717877B (en) | 2017-08-04 |
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| CN201510169547.9A Active CN104717877B (en) | 2015-04-13 | 2015-04-13 | A kind of cooling device in servo controller or frequency converter |
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Citations (3)
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|---|---|---|---|---|
| CN1393929A (en) * | 2001-06-25 | 2003-01-29 | 康群 | Thermal radiator for IC |
| CN2791583Y (en) * | 2005-04-25 | 2006-06-28 | 中达电通股份有限公司 | Plate-type heat exchanger |
| CN201123207Y (en) * | 2007-09-22 | 2008-09-24 | 贵州航天南海机电有限公司 | Air cooling system for metal drawing electrical control cabinet |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100772381B1 (en) * | 2005-09-29 | 2007-11-01 | 삼성전자주식회사 | Heat sink |
| US7593229B2 (en) * | 2006-03-31 | 2009-09-22 | Hong Kong Applied Science & Technology Research Institute Co. Ltd | Heat exchange enhancement |
| US7751188B1 (en) * | 2007-06-29 | 2010-07-06 | Emc Corporation | Method and system for providing cooling of components in a data storage system |
| CN101778551B (en) * | 2009-01-14 | 2011-11-30 | 信义汽车玻璃(深圳)有限公司 | Electrical cabinet air-cool heat abstractor |
| CN101510661B (en) * | 2009-03-17 | 2011-01-26 | 深圳市大族激光科技股份有限公司 | Laser radiating device and method |
| CN203717094U (en) * | 2013-12-18 | 2014-07-16 | 浙江吉利控股集团有限公司 | Flexible connecting structure for silencer buffer pipe |
-
2015
- 2015-04-13 CN CN201510169547.9A patent/CN104717877B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393929A (en) * | 2001-06-25 | 2003-01-29 | 康群 | Thermal radiator for IC |
| CN2791583Y (en) * | 2005-04-25 | 2006-06-28 | 中达电通股份有限公司 | Plate-type heat exchanger |
| CN201123207Y (en) * | 2007-09-22 | 2008-09-24 | 贵州航天南海机电有限公司 | Air cooling system for metal drawing electrical control cabinet |
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