CN205377284U - Electric energy quality product prevent electrically conductive dust structure - Google Patents
Electric energy quality product prevent electrically conductive dust structure Download PDFInfo
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- CN205377284U CN205377284U CN201521002900.6U CN201521002900U CN205377284U CN 205377284 U CN205377284 U CN 205377284U CN 201521002900 U CN201521002900 U CN 201521002900U CN 205377284 U CN205377284 U CN 205377284U
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Abstract
The utility model discloses an electric energy quality product prevent electrically conductive dust structure, including the support and the sealed dustproof chamber of establishing the PCB board that is used for putting electric energy quality product in the support and electronic components with be used for realizing the sealed dustproof radiating heat dissipation chamber in chamber, sealed dustproof chamber and the range upon range of setting from top to bottom of heat dissipation chamber, the heat dissipation intracavity is equipped with at least one radiator, the utility model discloses an install the PCB board and the electronic components of electric energy quality product at sealed dustproof intracavity, with heat abstractor such as radiator install with sealed dustproof chamber complete rupturable heat dissipation intracavity, sealed dustproof chamber is kept apart by the structure with the chamber of dispelling the heat completely, and do to beat in the junction of structure and glue sealed the processing, ensure that the air between sealed dustproof chamber and the heat dissipation chamber is isolated completely, guarantee the radiating effect in the contact of the PCB board of avoiding electric energy quality product and electronic components and electrically conductive dust.
Description
Technical field
This utility model relates to a kind of dustproof construction, specifically a kind of anti-conduction dust structure being applied to quality of power supply product.
Background technology
Current quality of power supply product commercially widely uses, and common are active filter (be called for short APF), static var compensator (being called for short SVG), harmonic current generator (being called for short HG), enhancement mode static var compensator (being called for short ASVG) are all conventional quality of power supply product.These products are generally all the functions producing some higher hamonic waves that idle, the harmonic wave in solution distribution system and three-phase current unbalance, dynamic low-voltage or high voltage compensation and some certification authorities do test；The place of these quality of power supply products currently used, great majority are all that harmonic current, reactive current are relatively larger, voltage distortion is than more serious place, in the industrial environment that these occasions are all in most cases exceedingly odious, serious including environmental pollution, dust is big, particularly there is again conductive dust in dust, including the metallic dust of smelting industry, conductive carbon dust etc.；Simultaneously because above-mentioned quality of power supply product is Technics of Power Electronic Conversion product, all owing to running producing substantial amounts of heat so being typically necessary and using fan and carry out forced ventilation directly to power component and carry out radiating treatment, if there being wind to be directly blown onto the electronic devices and components of these quality of power supply products, then long-play certainly will due to or dust accretions cause creep age distance to cause safety problem and electric insulation problem not and aircraft bombing, it is also possible to cause internal short circuits to cause damage or the aircraft bombing of machine owing to can conduct electricity dust.
Utility model content
The purpose of this utility model is in that to propose the comprehensive electric energy quality product of a kind of anti-conduction dust for above-mentioned technical problem, with the problem avoiding above tradition quality of power supply product to cause the aircraft bombing in use and damage.
The technical scheme that the above-mentioned technical problem of this utility model solution adopts is: the anti-conduction dust structure of a kind of quality of power supply product, including support and be located in support for the sealing and dustproof chamber of the pcb board and electronic devices and components of putting quality of power supply product with for realizing the heat dissipation cavity of sealing and dustproof cavity radiating, described sealing and dustproof chamber is arranged with heat dissipation cavity stacked on top of one another；Being provided with at least one radiator in described heat dissipation cavity, the dividing plate between described sealing and dustproof chamber and heat dissipation cavity offers the opening for revealing the substrate putting radiator, the pcb board of quality of power supply product and electronic devices and components and contacts realization heat radiation with radiator by this opening.
In this utility model, the described pcb board of quality of power supply product and the surface-coated of electronic devices and components have at least one of which soft heat-conducting glue of insulation.
In this utility model, the thickness of the soft heat-conducting glue of described insulation is be more than or equal to 1mm.
In this utility model, the soft heat-conducting glue of described insulation is transparent soft heat conductive silica gel.
In this utility model, being provided with heat dissipation wind channel in described heat dissipation cavity, described radiator is arranged in heat dissipation wind channel.
In this utility model, in described heat dissipation cavity, it is provided with two radiators of air inlet and the air outlet being separately mounted to described heat dissipation wind channel.
In this utility model, the installation foot being respectively provided on two sides with anti-conduction dust structure for fixedly mounting quality of power supply product of described support.
In this utility model, at least provided with two installing holes on described installation foot.
In this utility model, described heat dissipation cavity is provided with the radiator fan for air blast cooling.
In this utility model, described radiator adopts the copper material or aluminium profile that thermal conductivity is high.
In this utility model, the structural attachments between described sealing and dustproof chamber and heat dissipation cavity is coated with fluid sealant.
This utility model is by being arranged on sealing and dustproof intracavity by the pcb board of quality of power supply product and electronic devices and components, the heat abstractors such as radiator are arranged in the heat dissipation cavity completely cut off completely with sealing and dustproof chamber, sealing and dustproof chamber is completely isolated by structural member with heat dissipation cavity, and do gluing encapsulation process in the junction of structural member, the air guaranteed between sealing and dustproof chamber and heat dissipation cavity completely cuts off completely, ensures radiating effect while avoiding the contacting of the pcb board of quality of power supply product and electronic devices and components and conduction dust.
Accompanying drawing explanation
Fig. 1 is the structural representation after the anti-conduction dust structure of the quality of power supply product in this utility model one embodiment removes side structure part.
Detailed description of the invention
In order to be illustrated more clearly that the technical solution of the utility model, below in conjunction with drawings and Examples, the technical solution of the utility model is further elaborated, apparently, only embodiments more of the present utility model are described below, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other embodiment according to these embodiments.
With reference to Fig. 1, a kind of anti-conduction dust structure of quality of power supply product, including support 1 and in being located at support 1 for the sealing and dustproof chamber 2 of the pcb board and electronic devices and components of putting quality of power supply product with for realizing the heat dissipation cavity 3 of heat radiation, sealing and dustproof chamber 2 is arranged with heat dissipation cavity 3 stacked on top of one another；Concrete, completely isolated by structural member between sealing and dustproof chamber 2 and heat dissipation cavity 3, the circulation of bilevel air is completely cut off completely.It is provided with at least one radiator in heat dissipation cavity 3, is dispelled the heat to pcb board and the electronic devices and components of the quality of power supply product being arranged in sealing and dustproof chamber 2 by the radiator being located in heat dissipation cavity 3, it is ensured that normal working temperature.Owing to the air circulation in sealing and dustproof chamber 2 with heat dissipation cavity 3 is completely cut off completely, the conduction dust in radiating airflow cannot be introduced in sealing and dustproof chamber 2, it is ensured that the pcb board of quality of power supply product and electronic devices and components do not contact with the conduction dust in environment.Dividing plate between sealing and dustproof chamber 2 and heat dissipation cavity 3 offers the opening for revealing the substrate putting radiator, the pcb board of quality of power supply product and electronic devices and components and contacts realization heat radiation with radiator by this opening.Preferably, for ensureing radiating efficiency, radiator adopts copper material or the aluminium profile of good heat dissipation effect, except copper radiator and Aluminium Radiator, it would however also be possible to employ the radiator that other heat dispersions are good.Pcb board and the electronics unit device of quality of power supply product are entirely sealed in sealing and dustproof chamber 2, the power component wherein needing heat radiation mainly has switching device and reactor 9, switching device adopts the radiator heat-dissipation that aluminium section bar is made, wherein aluminium section bar is due to not electrical connection, it is possible to directly contact with conduction dust；Reactor 9 adopts structural member to seal and with after heat-conducting glue embedding, then adopts the radiator that aluminium section bar is made to carry out being dispersed in air the heat of self work generation.
In one embodiment, being provided with heat dissipation wind channel in heat dissipation cavity 3, radiator is arranged in heat dissipation wind channel.Concrete, two radiators 4,5 of air inlet and the air outlet being separately mounted to heat dissipation wind channel it are provided with in heat dissipation cavity 3, in heat dissipation wind channel, form radiating airflow, direct natural cooling can be realized without radiator fan 8, effectively reduce the work noise of quality of power supply product.
In one embodiment, owing to dust seal chamber 2 has various wire to pick out, still there may be conduction dust after a long time use and enter.For this, the pcb board of quality of power supply product and the surface-coated of electronic devices and components have at least one of which soft heat-conducting glue of insulation, and the thickness of the soft heat-conducting glue of this insulation is not less than 1mm；Preferably, the soft heat-conducting glue of this insulation can adopt transparent soft heat conductive silica gel.
Concrete, PCBA board and the device of conduction dust sensitive is all coated with transparent soft heat conductive silica gel；When adopting this scheme, require that transparent soft heat conductive silica gel is non-conductive, not aged deterioration material under high-temperature condition, adopt the benefit of transparent soft heat conductive silica gel be can each electronic devices and components welding of Real Time Observation whether well or whether be damaged, transparent soft heat conductive silica gel requires simultaneously is soft and elasticity is good, so in Product transport is vibrated, or when cold and hot contraction and expansion, each electronic devices and components will not be subject to tension force and stress；The protection technique of each PCBA board there is special applications; namely all PCBA are except power and signal interface; other circuit all adopts transparent soft heat conductive silica gel to carry out covering protection, it is desirable to protective layer is the conductive pin all standing of components and parts, to avoid electronic devices and components to contact with any of air；The thickness of transparent soft heat conductive silica gel is higher than more than conductive pin 1mm simultaneously.After have employed transparent soft heat conductive silica gel covering protection, even if the seal failure in dust seal chamber 2 also can guarantee that the pcb board of quality of power supply product and the effect of the anti-conduction dust of electronic devices and components.The pcb board of transparent soft heat conductive silica gel electric energy quality product in coating and electronic devices and components need to stand at least 4 hours, just can move use after transparent soft heat conductive silica gel solidifies.
In one embodiment, for convenience of installing, the installation foot 6 being respectively provided on two sides with anti-conduction dust structure for fixedly mounting quality of power supply product of support 1；At least provided with two installing holes 7 on installation foot 6.The securing members such as bolt can be used to be fixed in rack by support 1, or block installation foot 6 by the buckle structure in rack by installing hole 7, simplify installation process, improve production efficiency, reduce production cost.
In one embodiment, if the power of quality of power supply product is relatively big, depends merely on natural cooling and cannot meet its cooling requirements.For this, heat dissipation cavity 3 is provided with the radiator fan 8 for air blast cooling.Radiator fan 8 can one can also be multiple, carry out air blast cooling by radiator fan 8 and can meet the radiating requirements of greater power electronic devices and components, it is thus achieved that better economic benefit.
In one embodiment, sealing and dustproof chamber 2 is the key realizing this utility model purpose with the isolation that seals of heat dissipation cavity 3.Therefore, the structural attachments between sealing and dustproof chamber 2 and heat dissipation cavity 3 is coated with fluid sealant；Process by gluing is done in the junction in the dust-proof chamber 2 of isolating seal with the structural member of heat dissipation cavity 3, it is ensured that the isolation completely of air between sealing and dustproof chamber 2 and heat dissipation cavity 3.
This utility model has the advantage that
1, have pcb board and the electronic devices and components of detrimental effects in the environment having conduction dust for quality of power supply product, this utility model protects thoroughly by covering transparent soft silica gel layer at the pcb board of quality of power supply product and electronic devices and components surface；
2, the dust seal chamber that the pcb board in quality of power supply product and electronic devices and components consist of structural member is fully sealed by this utility model, reaches completely isolated with conduction dust；Adopt radiator that pcb board and electronic devices and components are carried out natural cooling simultaneously, while anti-conduction dust, effectively reduce the noise of system；
3, this utility model is on the basis of natural cooling, while not destroying the effect of anti-conduction dust, the radiator fan of air blast cooling can be increased for the radiator of natural cooling, increasing the output that quality of power supply product is significantly increased on little cost basis, thus being effectively improved the cost performance of system, the use occasion that noise requirements is less high can be successfully managed, obtain very big economic benefit.
4, this utility model is a comprehensive solution for the anti-conduction dust of existing market quality of power supply product；Especially for metal smelting industry, and marine drilling platform is such has particularly preferred effect for what have conduction dust and corrosive gas in surrounding air；
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, under the premise without departing from this utility model principle; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. the anti-conduction dust structure of a quality of power supply product, it is characterized in that, including support and be located in support for the sealing and dustproof chamber of the pcb board and electronic devices and components of putting quality of power supply product with for realizing the heat dissipation cavity of sealing and dustproof cavity radiating, described sealing and dustproof chamber is arranged with heat dissipation cavity stacked on top of one another；Being provided with at least one radiator in described heat dissipation cavity, the dividing plate between described sealing and dustproof chamber and heat dissipation cavity offers the opening for revealing the substrate putting radiator, and the electronic devices and components of quality of power supply product contact realization heat radiation by this opening with radiator.
2. the anti-conduction dust structure of quality of power supply product as claimed in claim 1, it is characterised in that being provided with heat dissipation wind channel in described heat dissipation cavity, described radiator is arranged in heat dissipation wind channel.
3. the anti-conduction dust structure of quality of power supply product as claimed in claim 2, it is characterised in that be provided with two radiators of air inlet and the air outlet being separately mounted to described heat dissipation wind channel in described heat dissipation cavity.
4. the anti-conduction dust structure of quality of power supply product as claimed in claim 1, it is characterised in that described radiator adopts copper material or aluminium section bar to make.
5. the anti-conduction dust structure of quality of power supply product as claimed in claim 1, it is characterised in that the described pcb board of quality of power supply product and the surface-coated of electronic devices and components have at least one of which soft heat-conducting glue of insulation.
6. the anti-conduction dust structure of quality of power supply product as claimed in claim 5, it is characterised in that the thickness of the soft heat-conducting glue of described insulation is be more than or equal to 1mm.
7. the anti-conduction dust structure of quality of power supply product as claimed in claim 5, it is characterised in that the soft heat-conducting glue of described insulation is transparent soft heat conductive silica gel.
8. the anti-conduction dust structure of quality of power supply product as claimed in claim 1, it is characterized in that, the installation foot being respectively provided on two sides with anti-conduction dust structure for fixedly mounting quality of power supply product of described support, at least provided with two installing holes on described installation foot.
9. the anti-conduction dust structure of quality of power supply product as claimed in claim 1, it is characterised in that described heat dissipation cavity is provided with the radiator fan for air blast cooling.
10. the anti-conduction dust structure of quality of power supply product as claimed in claim 1, it is characterised in that the structural attachments between described sealing and dustproof chamber and heat dissipation cavity is coated with fluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521002900.6U CN205377284U (en) | 2015-12-04 | 2015-12-04 | Electric energy quality product prevent electrically conductive dust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521002900.6U CN205377284U (en) | 2015-12-04 | 2015-12-04 | Electric energy quality product prevent electrically conductive dust structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205377284U true CN205377284U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521002900.6U Active CN205377284U (en) | 2015-12-04 | 2015-12-04 | Electric energy quality product prevent electrically conductive dust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205377284U (en) |
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2015
- 2015-12-04 CN CN201521002900.6U patent/CN205377284U/en active Active
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