CN206533291U - A kind of frequency converter chassis ground device - Google Patents
A kind of frequency converter chassis ground device Download PDFInfo
- Publication number
- CN206533291U CN206533291U CN201720189166.1U CN201720189166U CN206533291U CN 206533291 U CN206533291 U CN 206533291U CN 201720189166 U CN201720189166 U CN 201720189166U CN 206533291 U CN206533291 U CN 206533291U
- Authority
- CN
- China
- Prior art keywords
- earthing rod
- earthing
- installing plate
- frequency converter
- column jacket
- 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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Abstract
The utility model belongs to converter technology field, specifically related to a kind of frequency converter chassis ground device, including installing plate, multiple mounting holes are offered on the installing plate, regulating tank is offered on the installing plate, slide rail is provided with the regulating tank, the slide rail is in being provided with earthing mechanism in regulating tank, the earthing mechanism includes column jacket, first earthing rod, second earthing rod, spring and bottom, the column jacket is insulator, first earthing rod and the second earthing rod are electric conductor, second earthing rod is slided and is arranged in the first earthing rod, the lateral wall of second earthing rod is contacted with the madial wall of the first earthing rod, first earthing rod is installed in column jacket, the bottom is arranged on column jacket, the bottom includes cover plate and locking otic placode, the cover plate is electric conductor, locking otic placode is insulator, the tip contact of the cover plate of the bottom and the first earthing rod, its security is higher, install more convenient, the demand for grounding of different frequency converters can be met.
Description
Technical field
The utility model belongs to converter technology field, and in particular to a kind of frequency converter chassis ground device.
Background technology
Frequency converter (Variable-frequency Drive, VFD) is to apply converter technique and microelectric technique, by changing
Become motor working power Frequency Patterns to control the electric control appliance of ac motor.Frequency converter is main, and by rectification, (exchange becomes
Direct current), filtering, inversion (direct current become exchange), brake unit, driver element, the composition such as detection unit microprocessing unit.By changing
The frequency of variable power source come reach change supply voltage purpose, according to motor be actually needed provide required for it power supply electricity
Pressure, and then energy-conservation, the purpose of speed governing are reached, in addition, frequency converter also has many defencive functions, such as excessively stream, overvoltage, overload protection
Etc., with the continuous improvement of industrial automatization, frequency converter has also obtained application widely.
Frequency converter is typically mounted on iron plate wall, due to preventing getting rusty, and the iron plate surface for installing frequency converter wall is general
Will surface spraying, earthing mode resistance is big, and traditional earthing or grounding means is by setting metallic plate in frequency converter bottom and then passing through
Screw contacts ground connection with screw, although so solving the problem of grounding resistance is larger, there is problems with；If metallic plate is
Between a part for frequency converter and assembly wall, then each frequency converter is required for individually matching metallic plate, so different sizes
Frequency converter needs different metallic plates, and matching is cumbersome and cost is higher；If metallic plate is inherently arranged on wall, by wall
Internal outwards to set screw, installation difficulty is larger, if metallic plate is that electric conductor exposure portion is too wide, there is certain danger.
Utility model content
The problem of based on being mentioned in above-mentioned background technology, the utility model provides a kind of frequency converter chassis ground device,
Its security is higher, installs more convenient, can meet the demand for grounding of different frequency converters.
To realize above-mentioned technical purpose, the technical solution adopted in the utility model is as follows：
Multiple mounting holes, the peace are offered on a kind of frequency converter chassis ground device, including installing plate, the installing plate
Offered on dress plate and slide rail is provided with regulating tank, the regulating tank, the slide rail is described in being provided with earthing mechanism in regulating tank
Earthing mechanism includes column jacket, the first earthing rod, the second earthing rod, spring and bottom, and the column jacket is insulator, and described first connects
Ground post and the second earthing rod are electric conductor, and second earthing rod is slided and is arranged in the first earthing rod, second ground connection
The lateral wall of post is contacted with the madial wall of the first earthing rod, and first earthing rod is installed in column jacket, and the bottom is arranged on
On column jacket, the bottom include cover plate and locking otic placode, the cover plate be electric conductor, locking otic placode be insulator, the bottom
Cover plate and the first earthing rod tip contact.
Using the utility model of upper technical scheme, the design of regulating tank makes to be installed on the earthing mechanism in regulating tank and is easy to
Adjusting position, with the demand for grounding for the installation for meeting different frequency converters；Column jacket and locking otic placode are insulator, pass through the second ground connection
Post, the first earthing rod and cover plate ground connection, improve security；The design of spring, can make the second earthing rod and frequency conversion after installation
Device contacts baseplate is more firm.
Further limit, the installing plate be rectangular parallelepiped structure, such structure design, the bottom plate of frequency converter is mostly square
Installing space is saved in shape structure, the rectangular parallelepiped structure design of installing plate, can install more frequency converters.
Further limit, the left part of the installing plate bottom is provided with boss, and the height dimension of the boss is equal to column jacket bottom
End face is to installing plate bottom face apart from size, and such design can be such that the bottom face of frequency converter does not tilt and facilitate frequency converter
Installation, it is stable and firm after installation.
Further limit, the minimum number of the mounting hole is 4 and is distributed in the corner of installing plate, such structure
Design, is easily installed the installation and fixation of plate.
Brief description of the drawings
The nonlimiting examples that the utility model can be provided by accompanying drawing are further illustrated；
Fig. 1 is a kind of structural representation of frequency converter chassis ground device embodiment of the utility model；
Fig. 2 is a kind of structural representation of the earthing mechanism of frequency converter chassis ground device embodiment of the utility model；
Fig. 3 is a kind of structural representation of the bottom of frequency converter chassis ground device embodiment of the utility model；
Main element symbol description is as follows：
Installing plate 1, mounting hole 2, regulating tank 3, slide rail 4, earthing mechanism 5, column jacket 51, bottom 52, the first earthing rod 53,
Two earthing rods 54, spring 55, cover plate 521, locking otic placode 522.
Embodiment
In order that the utility model may be better understood in those skilled in the art, it is right with reference to the accompanying drawings and examples
Technical solutions of the utility model are further illustrated.
As shown in FIG. 1 to 3, offered on a kind of frequency converter chassis ground device, including installing plate 1, installing plate 1 multiple
Offer regulating tank 3 on mounting hole 2, installing plate 1, be provided with slide rail 4 in regulating tank 3, slide rail 4 is in being provided with ground connection in regulating tank 3
Mechanism 5, earthing mechanism 5 includes column jacket 51, the first earthing rod 53, the second earthing rod 54, spring 55 and bottom 52, and column jacket 51 is exhausted
Edge body, the first earthing rod 53 and the second earthing rod 54 are electric conductor, and the second earthing rod 54 slides and is arranged in the first earthing rod 53
Interior, the lateral wall of the second earthing rod 54 is contacted with the madial wall of the first earthing rod 53, and the first earthing rod 53 is installed in column jacket 51,
Bottom 52 is arranged on column jacket 51, and bottom 52 includes cover plate 521 and locking otic placode 522, and cover plate 521 is electric conductor, locking otic placode
522 be insulator, the tip contact of the earthing rod 53 of cover plate 521 and first of bottom 52.
Preferably, installing plate 1 be rectangular parallelepiped structure, such structure design, the bottom plate of frequency converter is mostly rectangular configuration,
Installing space is saved in the rectangular parallelepiped structure design of installing plate 1, can install more frequency converters.In fact, also can be according to specific feelings
Condition considers the other structures of installing plate 1.
Preferably, the left part of the bottom of installing plate 1 is provided with boss, and the height dimension of boss is equal to the bottom face of column jacket 51 to installation
The bottom face of plate 1 apart from size, such design, can make the bottom face of frequency converter will not tilt the installation for facilitating frequency converter.It is real
On border, the other structures of installing plate 1 can be considered as the case may be.
Preferably, the minimum number of mounting hole 2 is 4 and is distributed in the corner of installing plate 1, such structure design, just
In the installation and fixation of installing plate 1.In fact, quantity and the position of mounting hole 2 can be considered as the case may be.
Using the utility model of the technical program, the first earthing rod 53 is connected to the inside of column jacket 51 first during installation,
Second earthing rod 54 is put into the smaller one end of the internal-and external diameter of the first earthing rod 53 through column jacket 51, and spring 55 is placed in into the second earthing rod 53
Top, then column jacket 51 is located in mounting groove 3 and covers bottom 52 and tightens, covering spring 55 after bottom 52 will locate always
In compressive state, the position of slidable adjustment earthing mechanism is corresponding with frequency converter ground connection mouth position, will finally be become using mounting screw
Frequency device is fixed on installing plate 1, and now the second earthing rod 54 is grounded mouth and frequency converter contacts baseplate, frequency converter bottom through frequency converter
Plate pushes down the second earthing rod 54, makes the further compression of spring 55, whole earthing mechanism fixation is not slided under the effect of the pressure
It is dynamic, it is ensured that the reliability of ground connection.
A kind of frequency converter chassis ground device that the utility model is provided is described in detail above.Specific embodiment
Explanation be only intended to help and understand method of the present utility model and its core concept.It should be pointed out that for the art
For those of ordinary skill, on the premise of the utility model principle is not departed from, some change can also be carried out to the utility model
Enter and modify, these are improved and modification is also fallen into the utility model scope of the claims.
Claims (4)
1. a kind of frequency converter chassis ground device, including installing plate (1), it is characterised in that：Offered on the installing plate (1) many
Offered on individual mounting hole (2), the installing plate (1) and slide rail (4), the cunning are provided with regulating tank (3), the regulating tank (3)
Rail (4) is provided with earthing mechanism (5) in the regulating tank (3), and the earthing mechanism (5) includes column jacket (51), the first earthing rod
(53), the second earthing rod (54), spring (55) and bottom (52), the column jacket (51) are insulator, first earthing rod
(53) and the second earthing rod (54) is electric conductor, second earthing rod (54), which is slided, is arranged in the first earthing rod (53),
The lateral wall of second earthing rod (54) is contacted with the madial wall of the first earthing rod (53), and first earthing rod (53) is installed
In column jacket (51), the bottom (52) is arranged on column jacket (51), and the bottom (52) includes cover plate (521) and locking otic placode
(522), the cover plate (521) is that electric conductor, locking otic placode (522) be insulator, the cover plate (521) of the bottom (52) and the
The tip contact of one earthing rod (53).
2. a kind of frequency converter chassis ground device according to claim 1, it is characterised in that：The installing plate (1) is rectangular
Body structure.
3. a kind of frequency converter chassis ground device according to claim 2, it is characterised in that：Installing plate (1) bottom
Left part is provided with boss, and the height dimension of the boss is equal to column jacket (51) bottom face to installing plate (1) bottom face apart from size.
4. a kind of frequency converter chassis ground device according to claim 3, it is characterised in that：The quantity of the mounting hole (2)
It is minimum for 4 and to be distributed in the corner of installing plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720189166.1U CN206533291U (en) | 2017-03-01 | 2017-03-01 | A kind of frequency converter chassis ground device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720189166.1U CN206533291U (en) | 2017-03-01 | 2017-03-01 | A kind of frequency converter chassis ground device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206533291U true CN206533291U (en) | 2017-09-29 |
Family
ID=59915545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720189166.1U Expired - Fee Related CN206533291U (en) | 2017-03-01 | 2017-03-01 | A kind of frequency converter chassis ground device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206533291U (en) |
-
2017
- 2017-03-01 CN CN201720189166.1U patent/CN206533291U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170929 Termination date: 20180301 |