CN204013192U - Frequency converter - Google Patents
Frequency converter Download PDFInfo
- Publication number
- CN204013192U CN204013192U CN201420457592.5U CN201420457592U CN204013192U CN 204013192 U CN204013192 U CN 204013192U CN 201420457592 U CN201420457592 U CN 201420457592U CN 204013192 U CN204013192 U CN 204013192U
- Authority
- CN
- China
- Prior art keywords
- metallic plate
- housing
- louvre
- frequency converter
- radiating seat
- 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.)
- Expired - Fee Related
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model discloses a kind of frequency converter, comprise that inside is provided with the housing of electronic devices and components, housing is provided with control panel, on the face of housing with respect to control panel, be provided with heat abstractor, described heat abstractor comprises radiating seat, on radiating seat, be provided with some radiating fins, radiating fin is provided with radiator fan, the side of described housing is provided with louvre, it is characterized in that: on described radiating seat, be provided with slidably metallic plate, described metallic plate extends to enclosure interior and is close to the inwall of housing, described metallic plate is controlled the keying of louvre in the process of sliding, in operational environment or storage environment severe in the situation that, the louvre of housing side is closed, protection frequency converter, effectively avoid the situation of the frequency converter short circuit causing because of work under bad environment.
Description
Technical field
The utility model relates to a kind of electric equipment, and more particularly, it relates to a kind of frequency converter.
Background technology
Frequency converter is application converter technique and microelectric technique, controls the electric control appliance of alternating current motor by changing machine operation supply frequency mode.Frequency converter is mainly made up of rectification (AC-DC), filtering, inversion (direct current becomes interchange), brake unit, driver element, detecting unit microprocessing unit etc.Voltage and the frequency of cut-offfing to adjust out-put supply of the inner IGBT of portion of frequency converter; provide its needed supply voltage according to the actual needs of motor, and then reach object energy-conservation, speed governing, in addition; frequency converter also has a lot of defencive functions, as overcurrent, overvoltage, overload protection etc.Along with improving constantly of industrial automatization, frequency converter has also obtained application very widely.
In order to increase radiating effect, many louvres all can be offered in the side of frequency converter, be convenient to the electronic component of frequency converter inside to dispel the heat, due to the extensive use of frequency converter, its operational environment is also various, the for example more environment of some high humility or dust, frequency converter can, because the impurity such as high humility or dust enter, easily cause internal circuit short circuit.
Utility model content
The deficiency existing for prior art; the purpose of this utility model is to provide a kind of frequency converter,, the louvre of housing side is closed severe in the situation that in operational environment or storage environment; protect frequency converter, effectively avoid the situation of the frequency converter short circuit causing because of work under bad environment.
For achieving the above object, the utility model provides following technical scheme: a kind of frequency converter, comprise that inside is provided with the housing of electronic devices and components, housing is provided with control panel, on the face of housing with respect to control panel, be provided with heat abstractor, described heat abstractor comprises radiating seat, on radiating seat, be provided with some radiating fins, radiating seat is provided with radiator fan, the side of described housing is provided with louvre, on described radiating seat, be provided with slidably metallic plate, described metallic plate extends to enclosure interior and is close to the inwall of housing, described metallic plate is controlled the keying of louvre in the process of sliding.
Preferred: described housing side is provided with screen, described screen comprises some material strips of arranging in length and breadth, described louvre is arranged and is formed in length and breadth by some material strips, and described metallic plate is provided with and louvre through hole one to one, and the shape of described through hole is identical with the shape of louvre.
Preferred: described metallic plate is provided with corrugated thermal conductive surface, described radiating seat is provided with the bearing surface suitable with metallic plate shape.
Preferred: described radiating seat is provided with and is positioned at metallic plate both sides chute, and described metallic plate is plugged in chute.
Preferred: described radiating seat is provided with detent mechanism, described detent mechanism comprises and is arranged on the groove on metallic plate and is positioned at the location ball on radiating seat, on the ball of described location, is connected with spring.
Compared with prior art, the beneficial effects of the utility model are: the in the situation that of work under bad environment, by sliding metal plate, louvre is closed, effectively prevent from causing the short circuit of frequency conversion internal circuit because of dust or moisture, long-term no time, also can louvre be closed by sliding metal plate, prevent that dust from piling up in inside, impact is used, also can prevent entering of some small insects, guarantee frequency converter still can normally be worked after long-term storage, because metallic plate stretches in housing in housing, when work, even if louvre is closed, still can the heat of enclosure interior be passed to radiating seat by metallic plate, dispel the heat by the radiator fan on radiating seat and radiating fin, frequency converter can be worked under multiple severe operational environment.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model frequency converter embodiment;
Fig. 2 is the position assumption diagram of louvre through hole and louvre while opening;
Fig. 3 is the position assumption diagram of louvre through hole and louvre while closing;
Fig. 4 is the structural representation of detent mechanism.
Reference numeral: 1, housing; 11, screen; 111, material strip; 112, louvre; 2, control panel; 3, heat abstractor; 31, radiating seat; 32, radiating fin; 33, radiator fan; 4, metallic plate; 41, through hole; 42, groove; 43, thermal conductive surface; 5, ball 6, spring.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model frequency converter embodiment is described further.
A kind of frequency converter, comprise that inside is provided with the housing 1 of electronic devices and components, housing 1 is provided with control panel 2, on the face of housing 1 with respect to control panel 2, be provided with heat abstractor 3, described heat abstractor 3 comprises radiating seat 31, on radiating seat 31, be provided with some radiating fins 32, radiating seat 32 is provided with radiator fan 33, the side of described housing 1 is provided with louvre 112, on described radiating seat 31, be provided with slidably metallic plate, described metallic plate extends to housing 1 inside and is close to the inwall of housing 1, described metallic plate is controlled the keying of louvre 112 in the process of sliding.
The in the situation that of work under bad environment, by sliding metal plate, louvre 112 is closed, effectively prevent from causing the short circuit of frequency conversion internal circuit because of dust or moisture, long-term no time, also can louvre 112 be closed by sliding metal plate 4, prevent that dust from piling up in inside, impact is used, also can prevent entering of some small insects, guarantee frequency converter still can normally be worked after long-term storage, due to metallic plate, to stretch to housing 1 interior by housing 1, when work, even if louvre 112 is closed, still can the heat of housing 1 inside be passed to radiating seat 31 by metallic plate 4, dispel the heat with radiating fin 32 by the radiator fan 33 on radiating seat 31, frequency converter can be worked under multiple severe operational environment.
Housing 1 side is provided with screen 11, described screen 11 comprises some material strips of arranging in length and breadth 111, described louvre 112 is arranged and is formed in length and breadth by some material strips 111, described metallic plate is provided with and louvre 112 through hole 41 one to one, and the shape of described through hole 41 is identical with the shape of louvre 112; In the process of sliding metal plate 4, some through holes 41 on metallic plate 4 are mutually corresponding with louvre 112, and louvre 112 is opened, and the electric component of housing 1 inside dispels the heat by louvre 112, metallic plate 4 can play conductive force simultaneously, and heat is delivered on radiating seat 31; When continuing sliding metal plate 4; through hole 41 on metallic plate 4 is corresponding with the material strip 111 on screen 11; through hole 41 is staggered with louvre 112; thereby louvre 112 is closed; the electric component of housing 1 inside is isolated from the outside out; simultaneously metallic plate 4 still plays the function of heat radiation, under rugged environment, or protects frequency converter when long-term storage.
Metallic plate 4 is provided with corrugated thermal conductive surface 43, described radiating seat 31 is provided with the bearing surface 34 suitable with metallic plate 4 shapes, the shape undulate of thermal conductive surface 43 and bearing surface 34, can increase the contact area between metallic plate 4 and radiating seat 31, increases heat-conducting effect.
Preferred radiating seat 31 is provided with and is positioned at metallic plate 4 both sides chutes, and described metallic plate 4 is plugged in chute, convenient manufacture and assembling, and the position of chute is not necessarily arranged on the both sides of metallic plate 4 certainly.
Radiating seat 31 is provided with detent mechanism, described detent mechanism comprises the groove 42 being arranged on metallic plate 4 and is positioned at the location ball 5 on radiating seat 31, on described location ball 5, be connected with spring 6, in sliding metal plate 4, in the time that ball 5 is embedded into groove 42, can play the effect of location, the number of its further groove 42 can not limit, in the process of sliding metal plate 4, by the switching between ball 5 grooves 42, can send the sound of click click, for judging the stroke of slip, for easy to use, the present embodiment preferably adopts two grooves 42, in the stroke of two grooves 42 and metallic plate sliding process, open and close the stroke phase of louvre 112, groove 42 so just can be set accurately locates, realize metallic plate 4 and accurately open and close louvre 112.
Claims (5)
1. a frequency converter, comprise that inside is provided with the housing of electronic devices and components, housing is provided with control panel, on the face of housing with respect to control panel, be provided with heat abstractor, described heat abstractor comprises radiating seat, on radiating seat, be provided with some radiating fins, radiating seat is provided with radiator fan, the side of described housing is provided with louvre, it is characterized in that: on described radiating seat, be provided with slidably metallic plate, described metallic plate extends to enclosure interior and is close to the inwall of housing, and described metallic plate is controlled the keying of louvre in the process of sliding.
2. frequency converter according to claim 1, it is characterized in that: described housing side is provided with screen, described screen comprises some material strips of arranging in length and breadth, described louvre is arranged and is formed in length and breadth by some material strips, described metallic plate is provided with and louvre through hole one to one, and the shape of described through hole is identical with the shape of louvre.
3. frequency converter according to claim 2, is characterized in that: described metallic plate is provided with corrugated thermal conductive surface, and described radiating seat is provided with the bearing surface matching with metallic plate shape.
4. frequency converter according to claim 3, is characterized in that: described radiating seat is provided with and is positioned at metallic plate both sides chute, and described metallic plate is plugged in chute.
5. frequency converter according to claim 4, is characterized in that: described radiating seat is provided with detent mechanism, and described detent mechanism comprises and is arranged on the groove on metallic plate and is positioned at the location ball on radiating seat, on the ball of described location, is connected with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420457592.5U CN204013192U (en) | 2014-08-13 | 2014-08-13 | Frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420457592.5U CN204013192U (en) | 2014-08-13 | 2014-08-13 | Frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013192U true CN204013192U (en) | 2014-12-10 |
Family
ID=52053129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420457592.5U Expired - Fee Related CN204013192U (en) | 2014-08-13 | 2014-08-13 | Frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204013192U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937518A (en) * | 2017-04-18 | 2017-07-07 | 珠海格力电器股份有限公司 | Radiating subassembly and the electromagnetic screen with it |
| CN107309640A (en) * | 2017-05-09 | 2017-11-03 | 柳州申通汽车科技有限公司 | A kind of assembly method of automotive air-conditioning condenser core body |
| CN109219287A (en) * | 2018-09-11 | 2019-01-15 | 珠海格力电器股份有限公司 | Electric cabinet and its control method |
| CN113424666A (en) * | 2019-02-12 | 2021-09-21 | 华为技术有限公司 | Radiator for radio remote unit |
-
2014
- 2014-08-13 CN CN201420457592.5U patent/CN204013192U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937518A (en) * | 2017-04-18 | 2017-07-07 | 珠海格力电器股份有限公司 | Radiating subassembly and the electromagnetic screen with it |
| CN107309640A (en) * | 2017-05-09 | 2017-11-03 | 柳州申通汽车科技有限公司 | A kind of assembly method of automotive air-conditioning condenser core body |
| CN109219287A (en) * | 2018-09-11 | 2019-01-15 | 珠海格力电器股份有限公司 | Electric cabinet and its control method |
| CN113424666A (en) * | 2019-02-12 | 2021-09-21 | 华为技术有限公司 | Radiator for radio remote unit |
| CN113424666B (en) * | 2019-02-12 | 2023-03-28 | 华为技术有限公司 | Radiator for radio remote unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20210813 |