CN204349775U - The Bottom ground structure of small-power plastic casing frequency converter - Google Patents
The Bottom ground structure of small-power plastic casing frequency converter Download PDFInfo
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- CN204349775U CN204349775U CN201520050887.5U CN201520050887U CN204349775U CN 204349775 U CN204349775 U CN 204349775U CN 201520050887 U CN201520050887 U CN 201520050887U CN 204349775 U CN204349775 U CN 204349775U
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- frequency converter
- section bar
- aluminium radiator
- bar aluminium
- housing
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Abstract
The utility model discloses a kind of Bottom ground structure of small-power plastic casing frequency converter, comprising the housing be made up of plastic material and the drive plate be arranged in described housing and section bar aluminium radiator, described housing being provided with the installing hole pin for installing fixing frequency converter; The bottom of described section bar aluminium radiator is given prominence to and is arranged with the bottom surface of described housing, and this section bar aluminium radiator is electrically connected with described drive plate; The utility model adopts the direct ground connection that connects with the installation iron plate on rack of the version of section bar aluminium radiator being given prominence to housing bottom surface, and in frequency converter inside, drive plate is electrically connected with section bar aluminium radiator, by directly arranging installing hole pin bottom plastic casing, frequency converter is fixed on rack simultaneously, make frequency converter and the direct ground connection of rack is installed, and then it is well grounded continuous to make frequency converter have, improve the reliability of frequency converter ground connection, eliminate the interference produced when frequency converter runs, improve quality and the competitiveness of product.
Description
Technical field
The utility model relates to frequency converter field, is specifically related to a kind of ground structure with the Small-power Inverter of plastic shell.
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.Along with improving constantly of industrial automatization, frequency converter have also been obtained application widely.Frequency converter is primarily of the composition such as rectification (AC-DC), filtering, inversion (direct current becomes interchange), brake unit, driver element, detecting unit microprocessing unit.And frequency converter is for the protection of the shell of above-mentioned internal element, then sheet metal component or plastic parts is usually adopted to make.
Along with being on the increase of domestic frequency converter producer, frequency converter quality requirement must improve constantly the better survival and development of ability, and the interference wherein reducing frequency converter is exactly an important means.Frequency converter Bottom ground is then the mode effectively reducing interference.The interference that the interference of frequency converter produces when mainly frequency converter runs, this part interference forms loop by the distributed capacitance of motor, the occasion of conducting electricity with the conducting of rack mounting panel bottom frequency converter, this part interference that frequency converter is formed can return mainly through the grounded circuit bottom frequency converter, and can not be returned by transducer, connection, encoder line, PLC or control panel etc., avoid the formation of the interference to these cables and parts.
As shown in Figure 1, panel beating, die casting aluminium or section bar aluminium etc. are made the mode of installing hole pin by the many employings of Bottom ground structure of small-power plastic casing frequency converter through machine work in the market.These earthing modes are all faced with the high problem of cost, and in increasingly competitive market, the mode of such high cost will more and more be difficult to bear.
Utility model content
The purpose of this utility model is the Bottom ground structure proposing a kind of small-power plastic casing frequency converter for above-mentioned technical problem.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of Bottom ground structure of small-power plastic casing frequency converter, comprising the housing be made up of plastic material and the drive plate be arranged in described housing and section bar aluminium radiator, described housing being provided with the installing hole pin for installing fixing frequency converter; The bottom of described section bar aluminium radiator is given prominence to and is arranged with the bottom surface of described housing, and this section bar aluminium radiator is electrically connected with described drive plate, to realize frequency converter ground connection.
In the utility model, described housing comprises the upper casing and lower casing that mutually fasten, and described section bar aluminium radiator and drive plate are fixed on described upper casing with easy disassembly.
In the utility model, bottom described lower casing, offer the opening making described section bar aluminium radiator give prominence to described lower casing bottom surface.
In the utility model, described upper casing is provided with the grab for fastening described lower casing, and described lower casing is provided with the Button Block matched with described grab, described lower casing and upper casing is fastened mutually and forms complete housing.
In the utility model, the both sides of described section bar aluminium radiator are resisted against the medial surface of two relative sidewalls of described housing respectively.
In the utility model, two sidewalls that described housing is relative offer grid respectively, form the heat dissipation wind channel of a through frequency converter inside.
In the utility model, described radiator is provided with a fan in the face of described grid side, carries out forced heat radiation to frequency converter inside.
In the utility model, described installing hole pin is arranged on side bottom described lower casing, fixes with the installation realizing frequency converter.
The utility model adopts the direct ground connection that connects with the installation iron plate on rack of the version of section bar aluminium radiator being given prominence to plastic casing bottom surface, and in frequency converter inside, drive plate is electrically connected with section bar aluminium radiator, by directly arranging installing hole pin bottom plastic casing, frequency converter is fixed on rack simultaneously, under the prerequisite of lower cost, make frequency converter and the direct ground connection of rack is installed, and then it is well grounded continuous to make frequency converter have, improve the reliability of frequency converter ground connection, eliminate the interference produced when frequency converter runs, improve quality and the competitiveness of product.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of frequency converter ground structure in prior art;
Fig. 2 is the overall structure schematic diagram of the ground structure in the utility model one embodiment;
Fig. 3 is the exploded perspective view of ground structure in Fig. 2.
Embodiment
In order to be illustrated more clearly in 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, the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other embodiment can also be obtained according to these embodiments.
With reference to Fig. 2, the present embodiment proposes a kind of Bottom ground structure of small-power plastic casing frequency converter, comprise the housing 1 be made up of plastic material and the drive plate be arranged in housing 1 and section bar aluminium radiator 2, housing 1 is provided with the installing hole pin 121 for being fixed on by frequency converter on rack, outer (end) shell of plastic cement has installing hole pin 121 feature, making section bar aluminium radiator 2 without the need to carrying out machine work fabrication and installation hole pin 121 specially, having saved production process and processing cost.Section bar aluminium radiator 2 is given prominence to housing 1 bottom surface and is arranged (such as 1-5mm), make section bar aluminium radiator 2 give prominence to housing 1 part and contact with the installation iron plate on rack, and drive plate is electrically connected with section bar aluminium radiator 2 by ironware.Because section bar aluminium radiator 2 self has conductivity, installation iron plate directly and on rack carries out ground connection, and it is inner at frequency converter, section bar aluminium radiator 2 is connected with drive plate by ironware again, whole frequency converter is provided with well grounded continuous, just effectively can eliminate the interference produced when frequency converter runs, Improving The Quality of Products.
With reference to Fig. 3, concrete, housing 1 comprises the upper casing 11 and lower casing 12 that mutually fasten, and upper casing 11 is provided with the grab 111 for fastening lower casing 12, lower casing 12 is provided with the Button Block 123 matched with grab 111, lower casing 12 and upper casing 11 is fastened mutually and forms complete housing 1.Section bar aluminium radiator 2 and drive plate are fixed on upper casing 11 with easy disassembly.Offer bottom lower casing 12 and make section bar aluminium radiator 2 give prominence to opening 122 bottom lower casing 12, section bar aluminium radiator 2 is given prominence to frequency converter by this opening 122 part and to be contacted with the installation iron plate on rack and be grounded.The both sides of section bar aluminium radiator 2 are resisted against the medial surface of two relative sidewalls of lower casing 12 respectively.The bottom of lower casing 12 and one of them sidewall offer the fixing hole 125 for locking Section Bar Heat Sinks respectively, use screw 4 section bar aluminium radiator 2 and lower casing 12 to be connected to a fixed by this fixing hole 125.
Preferably, with reference to Fig. 3, installing hole pin 121 is arranged on side bottom lower casing 12, uses screw 4 to be fixed on rack by installing hole pin 121 by frequency converter, to pass through the installing hole pin 121 section bar aluminium radiator 2 being carried out to machine work making in alternative conventional design, save production cost.
The heat produced during for being worked by frequency converter distributes fast in housing 1, with reference to Fig. 3, two sidewalls that lower casing 12 is relative offer grid 124 respectively, form the heat dissipation wind channel of a through frequency converter inside, simultaneously, radiator is provided with a fan 3 in the face of grid 124 side, carries out forced heat radiation, carry out forced heat radiation to frequency converter inside to frequency converter inside.Preferably, lower casing 12 madial wall being respectively arranged with the baffle plate 126 for limiting section bar aluminium radiator 2 fixed position, section bar aluminium radiator 2 Fast Installation can being located, improve packaging efficiency.
The utility model adopts the direct ground connection that connects with the installation iron plate on rack of the version of section bar aluminium radiator 2 being given prominence to plastic casing 1 bottom surface, and in frequency converter inside, drive plate is electrically connected with section bar aluminium radiator 2, by directly arranging installing hole pin 121 bottom plastic casing 1, frequency converter is fixed on rack simultaneously, under the prerequisite of lower cost, make frequency converter and the direct ground connection of rack is installed, and then it is well grounded continuous to make frequency converter have, improve the reliability of frequency converter ground connection, eliminate the interference produced when frequency converter runs, improve quality and the competitiveness of product.
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 prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (7)
1. the Bottom ground structure of a small-power plastic casing frequency converter, comprise the housing (1) be made up of plastic material and the drive plate be arranged in described housing (1) and section bar aluminium radiator (2), it is characterized in that, described housing (1) is provided with the installing hole pin (121) for installing fixing frequency converter, the bottom of described section bar aluminium radiator (2) protrudes from the bottom surface of described housing (1), and this section bar aluminium radiator (2) is electrically connected with described drive plate.
2. the Bottom ground structure of small-power plastic casing frequency converter as claimed in claim 1, it is characterized in that, described housing (1) comprises the upper casing (11) and lower casing (12) that mutually fasten, and described section bar aluminium radiator (2) and drive plate are fixed on described upper casing (11).
3. the Bottom ground structure of small-power plastic casing frequency converter as claimed in claim 2, it is characterized in that, described lower casing (12) bottom offers the opening (122) making outstanding described lower casing (12) bottom surface of described section bar aluminium radiator (2).
4. the Bottom ground structure of small-power plastic casing frequency converter as claimed in claim 2, it is characterized in that, described upper casing (11) is provided with the grab (111) for fastening described lower casing (12), described lower casing (12) is provided with the Button Block (123) matched with described grab (111), described lower casing (12) and upper casing (11) is fastened mutually and forms complete housing (1).
5. the Bottom ground structure of small-power plastic casing frequency converter as claimed in claim 1, it is characterized in that, the both sides of described section bar aluminium radiator (2) are resisted against the medial surface of two relative sidewalls of described housing (1) respectively.
6. the Bottom ground structure of small-power plastic casing frequency converter as claimed in claim 1, it is characterized in that, two sidewalls that described housing (1) is relative offer grid (124) respectively, form the heat dissipation wind channel of a through frequency converter inside.
7. the Bottom ground structure of small-power plastic casing frequency converter as claimed in claim 1, is characterized in that, described radiator is provided with the fan (3) for carrying out forced heat radiation to frequency converter inside in the face of described grid (124) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050887.5U CN204349775U (en) | 2015-01-23 | 2015-01-23 | The Bottom ground structure of small-power plastic casing frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050887.5U CN204349775U (en) | 2015-01-23 | 2015-01-23 | The Bottom ground structure of small-power plastic casing frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204349775U true CN204349775U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520050887.5U Active CN204349775U (en) | 2015-01-23 | 2015-01-23 | The Bottom ground structure of small-power plastic casing frequency converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105451526A (en) * | 2016-01-07 | 2016-03-30 | 深圳市正弦电气股份有限公司 | Servo driver with novel radiator structure |
-
2015
- 2015-01-23 CN CN201520050887.5U patent/CN204349775U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105451526A (en) * | 2016-01-07 | 2016-03-30 | 深圳市正弦电气股份有限公司 | Servo driver with novel radiator structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |