CN106535563A - Cooling device of motor frequency converter - Google Patents

Cooling device of motor frequency converter Download PDF

Info

Publication number
CN106535563A
CN106535563A CN201610898738.3A CN201610898738A CN106535563A CN 106535563 A CN106535563 A CN 106535563A CN 201610898738 A CN201610898738 A CN 201610898738A CN 106535563 A CN106535563 A CN 106535563A
Authority
CN
China
Prior art keywords
box
air inlet
screen pack
frequency converter
motor inverter
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.)
Pending
Application number
CN201610898738.3A
Other languages
Chinese (zh)
Inventor
陈志华
郑桂兰
刘继洲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Jihongda Motor Technology Co Ltd
Original Assignee
Jiangsu Jihongda Motor Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Jihongda Motor Technology Co Ltd filed Critical Jiangsu Jihongda Motor Technology Co Ltd
Priority to CN201610898738.3A priority Critical patent/CN106535563A/en
Publication of CN106535563A publication Critical patent/CN106535563A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0213Thermal insulation; Venting means; Condensation eliminators
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20145Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20181Filters; Louvers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909Forced ventilation, e.g. on heat dissipaters coupled to components

Abstract

The invention discloses a cooling device of a motor frequency converter. The cooling device comprises a cooling box body, wherein the motor frequency converter is fixed in the cooling box body; an air outlet is arranged in the top of the cooling box body; an air inlet is arranged in the lower part of the cooling box body; the air outlet in the top of the cooling box body is provided with at least one cooling fan; the air inlet is arranged in the bottom and/or the side part of the cooling box body and is detachably provided with an air inlet filter device; and the position of the motor frequency converter is located in an air duct between the air outlet and the air inlet. According to the cooling device, impurities of yarn fleece, wool flannel and the like can be effectively prevented from entering the inside of the frequency converter, so that the cooling efficiency is improved, the condition that the frequency converter stably works is ensured and the service life of the frequency converter is prolonged.

Description

A kind of motor inverter heat abstractor
Technical field
A kind of a kind of the present invention relates to heat abstractor, more particularly to motor inverter heat abstractor.
Background technology
General cotton mill workshop bad environments, environment temperature is high, dust is big, also float many yarn suedes in air or Felt etc..The spinning machine of operative is all configured with substantially motor and adds general General Converters, and frequency converter is due to using During can produce amount of heat, these heats need to discharge in time, adopt radiator inside which, then by overhead fan outward Exhausting, from lower end, air intake reaches cooling-down effect.But the heat abstractor of this universal frequency converter has at least once two Individual shortcoming:1., as lower end air intake is open type, yarn suede, felt and dust in air etc. are easily entered in frequency converter Portion, causes air intake vent to block, and affects the debris such as radiating effect, yarn suede not clear up in time, radiator occurs and damages or even cause The situation that whole frequency converter burns happens occasionally.2., for this radiating structure of frequency converter is due to being lower end air intake, frequency converter is straight Connect and be placed on table top or ground, the yarn suede or felt of the sedimentation on table top or ground are more easy in frequency converter Portion causes radiating not in time, and reduces the service life of frequency converter.
The content of the invention
The technical problem to be solved is:A kind of motor inverter heat abstractor is provided, the heat abstractor can have The impurity such as yarn suede or felt that prevent of effect are entered in frequency converter, are not only increased radiating efficiency, and are guaranteed that frequency converter is steady It is fixed to work, extend its service life.
For solving above-mentioned technical problem, the technical scheme is that:A kind of motor inverter heat abstractor, including radiating Casing, the motor inverter are fixed in heat radiation box, are provided with air outlet, the heat dissipation tank at the top of the heat radiation box The bottom of body is provided with air inlet, and the air outlet at the top of the heat radiation box is provided with least one cooling fan, described Air inlet is arranged at the bottom of heat radiation box and/or sidepiece, and the air inlet is detachably provided with air inlet filtering device, described The position of motor inverter is in the air channel between air outlet and air inlet.
Used as a kind of preferred scheme, the heat radiation box includes upper box and lower box, and the lower box is fixed on The bottom of casing and with upper box inner space, the motor inverter is fixed in top box body, and the air inlet is arranged at down The bottom of casing and sidepiece, the gross area of the air inlet is less than 1/5th of nowel body surface area.
Used as a kind of preferred scheme, the air inlet filtering device includes screen pack, and the edge of the screen pack is provided with Fixing hole, the edge of the screen pack are detachably fixed with lower box by tapping screw.
Used as a kind of preferred scheme, the air inlet of the lower box is provided with the deep gouge with screen pack form fit, The depth of the deep gouge is equal to the thickness of screen pack, and the screen pack is removably mounted in deep gouge.
Used as a kind of preferred scheme, the screen pack is metal or the screen pack of plastic material, the net of the screen pack Hole aperture is equal.
As a kind of preferred scheme, the screen pack on the base plate and side plate of lower box respectively with corresponding base plate and side plate It is molded as one, the base plate and side plate of the lower box are removably mounted on lower box.
After employing above-mentioned technical proposal, the effect of the present invention is:The heat abstractor compares the radiating of current frequency converter Possesses advantages below:1. in heat radiation box, heat radiation box keeps air flow, frequency conversion using the cooling fan moment to frequency converter The heat that device is produced all is pulled away, good heat dissipation effect, it is ensured that frequency converter stable operation;2. the air inlet of heat radiation box be provided with into Wind filter, can effectively filter out the magazines such as yarn suede outside heat radiation box, felt, make frequency converter relative in one In clean environment, it is to avoid magazine to enter directly into that cause in frequency converter radiating bad;3. air inlet filtering device and heat radiation box Detachable to install, easy cleaning so ensures that frequency converter is run under a good heat dissipation environment for a long time, and prolongation uses the longevity Life.
Again as the heat radiation box includes upper box and lower box, the lower box be fixed on the bottom of upper box and with Upper box inner space, the motor inverter are fixed in top box body, and the air inlet is arranged at the bottom and side of lower box Portion, less than 1/5th of nowel body surface area, split-type structural is convenient to install frequency converter and group to the gross area of the air inlet Dress, and the area of air inlet can have enough wind-force using the premise of relatively low cooling fan.
Again as the air inlet of the lower box is provided with the deep gouge with screen pack form fit, the depth of the deep gouge Equal to the thickness of screen pack, the screen pack is removably mounted in deep gouge, the deep gouge can facilitate the accurate fixed of screen pack and Install, while also making the flush of lower box, profile is more attractive in appearance.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the positive structure schematic of the embodiment of the present invention;
Fig. 2 is the schematic top plan view of the embodiment of the present invention;
In accompanying drawing:1. heat radiation box;11. upper boxes;12. lower boxes;13. deep gouges;2. frequency converter;3. screen pack;4. dissipate Air-heater;5. air inlet;6. air outlet;7. tapping screw.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in figure 1, a kind of 2 heat abstractor of motor inverter, including heat radiation box 1, the motor inverter 2 is fixed on In heat radiation box 1, the top of the heat radiation box 1 is provided with air outlet 6, and the bottom of the heat radiation box 1 is provided with air inlet 5, the position of the motor inverter 2 is in the air channel between air outlet 6 and air inlet 5.The device of the frequency converter 2 is directly solid It is scheduled in heat radiation box 1.
At least one cooling fan 4 is provided with the air outlet 6 at the top of the heat radiation box 1, it is preferred that cooling fan 4 position is corresponding with the heater element position in the vertical direction of frequency converter 2, and the quantity of cooling fan 4 can be according to reality Radiating effect adjust.So cooling fan 4 can take heat out of heat radiation box 1 very first time.
The air inlet 5 is arranged at the bottom of heat radiation box 1 and/or sidepiece, be detachably provided with the air inlet 5 into Wind filter, in the present embodiment, air inlet 5 is provided in the bottom of heat radiation box 1 and sidepiece, and this setup is mainly examined Consider the convenient cleaning in time of air inlet 5 in sidepiece, it is not necessary to simply clear up by dismantling air inlet filtering device, it is ensured that enough Intake meets radiating, and certainly, the position of air inlet 5 can be provided separately within sidepiece or bottom, and why concentrated setting is in radiating The bottom of casing 1 is to facilitate air quantity from bottom to top through frequency converter 2, facilitates heat to take away in time.
In addition, as shown in figure 1, the heat radiation box 1 includes upper box 11 and lower box 12, the lower box 12 is fixed on The bottom of upper box 11 and with 11 inner space of upper box, the motor inverter 2 is fixed in upper box 11, the air inlet 5 bottoms for being arranged at lower box 12 and sidepiece, the gross area of the air inlet 5 is less than 1/5th of 12 surface area of lower box. In actual application process, upper box 11 can be current 2 body of General Converters, using lower box 12 and upper box Fixation between 11 is preferably adopted as the fixation between upper box 11 and lower box 12 so as to obtain whole heat radiation box 1 Bolt is fixed.
As shown in figure 1, the air inlet filtering device includes screen pack 3, the edge of the screen pack 3 is provided with fixing hole, The edge of the screen pack 3 is detachably fixed with lower box 12 by tapping screw 7.Set at the air inlet 5 of the lower box 12 The deep gouge 13 with 3 form fit of screen pack is equipped with, the depth of the deep gouge 13 is equal to the thickness of screen pack 3, and the screen pack 3 can Remove and install in deep gouge 13.The screen pack 3 is metal or the screen pack 3 of plastic material, the mesh aperture of the screen pack 3 It is equal.Mesh density is suitable, both can guarantee that available ventilation, and can effectively stop the floating things such as yarn suede, felt and dust again Can not enter in frequency converter 2, and fixed reliable, easy cleaning.The setting of the deep gouge 13 further facilitates the quick peace of screen pack 3 Dress, while it also avoid screen pack 3 protruding relative to side plate or base plate, makes monnolithic case more attractive, it is to avoid impurity was attached to 3 edge of filter screen.
Certainly, screen pack 3 can also be that the screen pack 3 on other structure, the i.e. base plate and side plate of lower box 12 is distinguished It is molded as one with corresponding base plate and side plate, the base plate and side plate of the lower box 12 are removably mounted on lower box 12. That is screen pack 3 not be it is individually detachable, but can base plate or side plate it is detachable, while having reached the mesh of cleaning 's.
In the present embodiment, screen pack 3 is shaped as rectangle, but does not discharge other shapes shape, and embodiment described above is only It is the description to the preferred embodiment of the present invention, not as limiting the scope of the invention, without departing from present invention design essence On the basis of god, the various modifications made to technical solution of the present invention and transformation all should fall into claims of the present invention true In fixed protection domain.

Claims (6)

1. a kind of motor inverter heat abstractor, it is characterised in that:Including heat radiation box, the motor inverter is fixed on radiating In casing, air outlet at the top of the heat radiation box, is provided with, the bottom of the heat radiation box is provided with air inlet, the radiating The air outlet at the top of casing is provided with least one cooling fan, the air inlet be arranged at the bottom of heat radiation box and/ Or sidepiece, the air inlet is detachably provided with air inlet filtering device, the position of the motor inverter in air outlet and In air channel between air inlet.
2. a kind of motor inverter heat abstractor as claimed in claim 1, it is characterised in that:The heat radiation box includes top box Body and lower box, the lower box be fixed on the bottom of upper box and with upper box inner space, the motor inverter fixes In top box body, the air inlet is arranged at the bottom of lower box and sidepiece, and the gross area of the air inlet is less than nowel body surface / 5th of area.
3. a kind of motor inverter heat abstractor as claimed in claim 2, it is characterised in that:The air inlet filtering device includes Screen pack, the edge of the screen pack are provided with fixing hole, and the edge of the screen pack is removable with lower box by tapping screw Unload fixation.
4. a kind of motor inverter heat abstractor as claimed in claim 3, it is characterised in that:The air inlet of the lower box The deep gouge with screen pack form fit is provided with, the depth of the deep gouge is equal to the thickness of screen pack, and the screen pack is detachable It is installed in deep gouge.
5. a kind of motor inverter heat abstractor as claimed in claim 4, it is characterised in that:The screen pack is metal or modeling The screen pack of material material, the mesh aperture of the screen pack are equal.
6. a kind of motor inverter heat abstractor as claimed in claim 2, it is characterised in that:On the base plate and side plate of lower box Screen pack be molded as one with corresponding base plate and side plate respectively, the base plate and side plate of the lower box are removably mounted to down On casing.
CN201610898738.3A 2016-10-15 2016-10-15 Cooling device of motor frequency converter Pending CN106535563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610898738.3A CN106535563A (en) 2016-10-15 2016-10-15 Cooling device of motor frequency converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610898738.3A CN106535563A (en) 2016-10-15 2016-10-15 Cooling device of motor frequency converter

Publications (1)

Publication Number Publication Date
CN106535563A true CN106535563A (en) 2017-03-22

Family

ID=58331925

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610898738.3A Pending CN106535563A (en) 2016-10-15 2016-10-15 Cooling device of motor frequency converter

Country Status (1)

Country Link
CN (1) CN106535563A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107965444A (en) * 2017-11-24 2018-04-27 中山市创艺生化工程有限公司 A kind of radiator structure of air compressor machine cabinet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203180757U (en) * 2013-04-12 2013-09-04 南车资阳机车有限公司 Radiation device for cutterhead frequency conversion cabinet of shield tunneling machine
CN203691208U (en) * 2013-12-01 2014-07-02 浙江友强实业有限公司 Frequency converter control case
CN104213280A (en) * 2014-08-27 2014-12-17 卓郎(江苏)纺织机械有限公司 Anti-fiber aeration-cooling device for frequency converter of two-for-one twister
DE102014226849B3 (en) * 2014-12-22 2016-04-07 Siemens Aktiengesellschaft Control cabinet with a component to be cooled arranged on an air duct
CN206061408U (en) * 2016-10-15 2017-03-29 江苏吉泓达电机科技有限公司 A kind of motor inverter heat abstractor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203180757U (en) * 2013-04-12 2013-09-04 南车资阳机车有限公司 Radiation device for cutterhead frequency conversion cabinet of shield tunneling machine
CN203691208U (en) * 2013-12-01 2014-07-02 浙江友强实业有限公司 Frequency converter control case
CN104213280A (en) * 2014-08-27 2014-12-17 卓郎(江苏)纺织机械有限公司 Anti-fiber aeration-cooling device for frequency converter of two-for-one twister
DE102014226849B3 (en) * 2014-12-22 2016-04-07 Siemens Aktiengesellschaft Control cabinet with a component to be cooled arranged on an air duct
CN206061408U (en) * 2016-10-15 2017-03-29 江苏吉泓达电机科技有限公司 A kind of motor inverter heat abstractor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107965444A (en) * 2017-11-24 2018-04-27 中山市创艺生化工程有限公司 A kind of radiator structure of air compressor machine cabinet

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Application publication date: 20170322

WD01 Invention patent application deemed withdrawn after publication