CN105048213B - A kind of smart machine electromagnetic compatibility detection earthing or grounding means and earthing method - Google Patents
A kind of smart machine electromagnetic compatibility detection earthing or grounding means and earthing method Download PDFInfo
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- CN105048213B CN105048213B CN201510497556.0A CN201510497556A CN105048213B CN 105048213 B CN105048213 B CN 105048213B CN 201510497556 A CN201510497556 A CN 201510497556A CN 105048213 B CN105048213 B CN 105048213B
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- 238000001514 detection method Methods 0.000 title claims abstract description 13
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 155
- 239000002023 wood Substances 0.000 claims abstract description 42
- 229910001369 Brass Inorganic materials 0.000 claims description 20
- 239000010951 brass Substances 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 11
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- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 210000001550 testis Anatomy 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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Abstract
The present invention provides a kind of smart machine electromagnetic compatibility detection earthing or grounding means and earthing method, and described device includes the removable lumps of wood of parallel laid and wooden table on the ground；Copper earth plate is equipped with the wooden table, the sidepiece of the removable lumps of wood is provided with adjustable spacing copper bar；The adjustable spacing copper bar connects copper bar by several march-pasts and is connected with the copper earth plate.Earthing or grounding means ground connection provided by the invention is reliable, grounding resistance is low, is moved easily detection.
Description
Technical field
It is in particular to a kind of simultaneous for improving smart machine electromagnetism the present invention relates to a kind of earthing or grounding means and earthing method
Hold the earthing or grounding means and earthing method of detection ground connection performance.
Background technology
Electromagnetic compatibility refers to that equipment or system meet the requirements operation not to any in its environment in its electromagnetic environment
Equipment produces intolerable electromagnetic interference.Electromagnetic compatibility includes the requirement of two aspects：On the one hand refer to that equipment is normally being transported
To electromagnetic interference caused by the environment of place no more than certain limit value during row；On the other hand refer to utensil to place environment
Present in electromagnetic interference there is a certain degree of immunity to interference.
It is the Highgrade integration of Power System Intelligent equipment, automation, small-sized with the development of intelligent grid, electric automobile
Change, electromagnetic compatibility is more and more important for power system security reliability service.The electromagnetic environment day of transformer station's (current conversion station) simultaneously
It is beneficial severe complicated, higher requirement is proposed to the Electro Magnetic Compatibility of smart machine.Carry out EMC test, judge that electric power is set
The particular/special requirement whether standby Electro Magnetic Compatibility meets power system turns into the vital task that electromagnetic compatibility is studied.Electromagnetic compatibility
It is that each EMC test can all propose strict grounding requirement, and earth-return circuit is that electromagnetism is done based on measuring and test
Optimal aerial drainage loop is disturbed, if ground connection is not firm, grounding resistance is high can cause test failure.
Existing earthing or grounding means is generally one piece of ground connection flat board, copper braid over braid, a longer plain bolt.It is being grounded
Perforate on copper coin, the longer plain bolt of installation, copper braid over braid one end connection laboratory ground stud, one end connect longer common
Bolt, the bolt connect copper braid over braid and Device under test simultaneously.Existing earthing or grounding means has as a drawback that：A piece copper braiding
Band, grounding resistance are high；An only shared plain bolt, often connects different Device under test, and easily connection loosens, and causes to be grounded
Resistance is high；Can not mobile grounding setting position, movement can increase the length of copper braid over braid, cause grounding resistance height；Actual tests
In often occur ground connection come off, grounding resistance it is high, situations such as earthing position is single fixed, have a strong impact on the standard of EMC test
Exactness.
The content of the invention
In order to solve the above-mentioned deficiency in the presence of prior art, the present invention provides a kind of smart machine electromagnetic compatibility detection
Use earthing or grounding means.The lumps of wood of the earthing or grounding means may move, and ground connection is firm, and grounding resistance can be greatly reduced and solve smart machine electricity
The technical barrier that unreliable, grounding resistance is high, inconvenient movement detects is grounded during Magnetic testi.
Technical scheme provided by the invention is：A kind of smart machine electromagnetic compatibility detection earthing or grounding means, its improvements
It is：Described device includes the removable lumps of wood being placed in parallel on the ground and wooden table；Copper earth plate is equipped with the wooden table,
The sidepiece of the removable lumps of wood is provided with adjustable spacing copper bar；The adjustable spacing copper bar connects copper bar by several march-pasts
It is connected with the copper earth plate.
Preferably, the foldable mobile copper coin parallel to the removable lumps of wood is also equipped with the ground, it is described
Wooden table is placed on foldable mobile copper coin, and the foldable mobile copper coin is connected with the adjustable spacing copper bar.
Preferably, the wooden table includes supporting leg and the desktop on the supporting leg, and the desktop is rectangular slab,
The copper earth plate is the rectangular copper being laid on center parallel on the desktop；Looked up from the side perpendicular to ground,
The outline of the desktop is located on the inside of the outline of the copper earth plate.
Further, the side on the copper earth plate parallel and close to the removable lumps of wood connects provided with vertical direction through described
The through hole of ground copper coin, one end of march-past connection copper bar are provided with the mounting hole corresponding with the through hole, the march-past connection
The upper surface of copper bar and the copper earth plate fits, and by being connected to through the brass bolt of the mounting hole and the through hole
On the copper earth plate, the connecting portion of the march-past connection copper bar and the copper earth plate, which is additionally provided with vertical direction, to be run through
And connect the double-deck ground stud of the march-past connection copper bar and the copper earth plate.
Further, the removable lumps of wood is strip hexahedron, and the one side of the removable lumps of wood is provided with parallel to it
The mounting groove of axis direction, the installation trench bottom are provided with the screw perpendicular to removable lumps of wood axis direction.
Further, adjustable spacing copper bar is embedded in the mounting groove, the adjustable spacing copper bar be both ends with it is described can
The concordant rectangle in mobile lumps of wood both ends, the adjustable spacing copper bar is provided with the through hole of the equidistantly distributed on axis, described
Adjustable spacing copper bar through the brass bolt of the through hole and the screw with the removable lumps of wood by being connected；
One end of march-past connection copper bar is provided with the mounting hole corresponding with the through hole on the adjustable spacing copper bar, described
March-past connects copper bar by being connected through the brass bolt of the through hole and the mounting hole with the adjustable spacing copper bar.
Another object of the present invention is to provide a kind of smart machine electromagnetic compatibility detection earthing method, methods described bag
Include following steps：
Step 1：Make earthing or grounding means；
Step 2：Earthing or grounding means is installed；
Step 3：Measurement equipment to be checked is grounded by earthing or grounding means.
Preferably, the step 1 includes：At least 4 Split type connection copper bars are spaced, Split type is connected into copper bar
One end is connected to copper earth plate by double-deck ground stud and brass bolt, and the other end is connected to adjustable spacing copper bar by brass bolt；
Adjustable spacing copper bar is embedded in the removable lumps of wood, and is attached thereto by brass bolt；Copper earth plate is placed in no metal connection
On wooden table；Wooden table is placed on foldable mobile copper coin.
Preferably, the step 2 includes：In laboratory first by earthing or grounding means be positioned over laboratory reserve earth terminal it is attached
Closely, then by the adjustable spacing copper bar on the removable lumps of wood reserved earth terminal is connected to by copper braid over braid, then by folding
Mobile copper coin is connected to adjustable spacing copper bar.
Preferably, the step 3 includes：Equipment ground end to be detected and double-deck ground stud are electrically connected, form ground connection.
Compared with immediate prior art, the present invention has following marked improvement：
(1) traditional earthing or grounding means uses a copper braid over braid, and interference return flow path is few, and grounding resistance is high；The present invention uses
At least 4 Split type connection copper bars arrange in a determining deviation, and interference return flow path is more, and grounding resistance is low；
(2) traditional earthing or grounding means only has a shared plain bolt, often connects different Device under test, easily connection pine
It is dynamic, cause grounding resistance height；The brass bolt of earthing or grounding means provided by the invention plays connection fastening effect, does not do him and uses, 4 bilayers
Ground stud is individually used for connecting the ground connection of Device under test, and it is small to be grounded firm and grounding resistance；
(3) position of traditional earthing or grounding means can not move, and movement can increase the length of copper braid over braid, cause grounding resistance
It is high.Earthing or grounding means provided by the invention is using the removable lumps of wood, while adjustable spacing copper bar thereon has been covered with through hole, march-past
Connection copper bar can be fixed on diverse location, realize mobile detection.
Brief description of the drawings
Fig. 1 is the structural representation of earthing or grounding means provided by the invention；
Fig. 2 is the structural representation of double-deck ground stud in Fig. 1；
Fig. 3 is the structural representation of foldable mobile copper coin in Fig. 1；
Fig. 4 is the structural representation that march-past connects copper bar in Fig. 1.
Wherein：1- foldable mobile copper coins；2- wood tables；3- copper earth plates；4- bilayer ground studs；5- march-pasts connect copper
Bar；6- may move the lumps of wood；7- is adjustable spacing copper bar.
Embodiment
For a better understanding of the present invention, with reference to Figure of description and example, present disclosure is made further
Explanation.
As Figure 1-4, the present invention provides a kind of ground connection for being used to improve smart machine electromagnetic compatibility detection ground connection performance
Device, the device include wooden table 2, foldable mobile copper coin 1, copper earth plate 3, march-past connection copper bar 5, double-deck ground stud 4,
Adjustable spacing copper bar 7 and the removable lumps of wood 6.
The removable lumps of wood 6 and the wooden table 2 are placed in parallel on the ground；The grounding copper is laid on the wooden table 2
Plate 3, the sidepiece of the removable lumps of wood 6 install the adjustable spacing copper bar 7；The adjustable spacing copper bar 7 is connected by march-past
Copper bar 5 is connect to be connected with the copper earth plate 3.
In order to improve the Earthing Reliability of measurement equipment to be checked, can also lay on the ground parallel to the removable lumps of wood 6
Foldable mobile copper coin 1, the wooden table 2 is placed on foldable mobile copper coin 1, the foldable mobile copper coin 1 with
The adjustable spacing copper bar 7 connects.
The wooden table 2 includes supporting leg and the desktop on the supporting leg, and the desktop is rectangular slab, described to connect
Ground copper coin 3 is the rectangular copper being laid on center parallel on the desktop；Looked up from the side perpendicular to ground, the table
The outline of panel is located on the inside of the outline of the copper earth plate 3.
The grounding copper is run through in side on the copper earth plate 3 parallel and close to the removable lumps of wood 6 provided with vertical direction
The through hole of plate 3, one end of march-past connection copper bar 5 are provided with the mounting hole corresponding with the through hole, and the march-past connects copper
The upper surface of bar 5 and the copper earth plate 3 fits, and by being connected to through the brass bolt of the mounting hole and the through hole
On the copper earth plate 3, the connecting portion of the march-past connection copper bar 5 and the copper earth plate 3 is additionally provided with vertical direction
Run through and connect the double-deck ground stud 4 of the march-past connection copper bar 5 and the copper earth plate 3.
The removable lumps of wood 6 is strip hexahedron, and the one side of the removable lumps of wood 6 is provided with parallel to its axis side
To mounting groove, it is described installation trench bottom be provided with perpendicular to the removable axis direction of the lumps of wood 6 screw.
Adjustable spacing copper bar 7 is embedded in the mounting groove, and the adjustable spacing copper bar 7 is both ends and the removable side
The concordant rectangle in wooden 6 both ends, the adjustable spacing copper bar 7 is provided with the through hole of the equidistantly distributed on axis, described adjustable
Spacing copper bar 7 through the brass bolt of the through hole and the screw with the removable lumps of wood 6 by being connected；Utilize adjustable spacing
The through hole being distributed on copper bar, march-past can be connected to the diverse location that copper bar is connected to adjustable spacing copper bar, realize to be detected set
Standby mobile detection.
One end of march-past connection copper bar 5 is provided with the mounting hole corresponding with the through hole on the adjustable spacing copper bar 7, institute
State march-past and connect copper bar 5 by being connected through the brass bolt of the through hole and the mounting hole with the adjustable spacing copper bar 7.
The present invention also provides a kind of earthing method realized with above-mentioned earthing or grounding means, and this method comprises the following steps：
1) earthing or grounding means is made
At least four Split type connection copper bars are arranged in a determining deviation, one end is connected by double-deck ground stud 4 and brass bolt
Copper earth plate 3 is connected to, no longer he uses for brass bolt fastening；One end is connected to adjustable spacing copper bar 7 by brass bolt, by adjustable spacing
In the removable lumps of wood 6 of the insertion of copper bar 7, and it is attached thereto by brass bolt；By copper earth plate 3 be placed in no metal connect wooden table 2 it
On, no metal connects wooden table 2 and is placed in foldable mobile copper coin 1, forms earthing or grounding means.
2) earthing or grounding means is installed
The installation of earthing or grounding means：Earthing or grounding means first is positioned over into laboratory in laboratory to reserve near earth terminal, then will
Adjustable spacing copper bar 7 on the removable lumps of wood 6 is connected to reserved earth terminal by short and thick copper braid over braid, then will be foldable
Formula movement copper coin 1 is bolted to adjustable spacing copper bar 7；
By the way that the removable lumps of wood 6 is moved along the direction parallel to wooden table 2, thus it is possible to vary the removable lumps of wood 6 and laboratory
The distance of reserved earth terminal, so as to change the distance of adjustable spacing copper bar 7 and the reserved earth terminal in laboratory on the removable lumps of wood 6,
Through hole it has been covered with adjustable spacing copper bar 7, march-past connection copper bar 5 can be fixed on diverse location, realize mobile detection.
The earth terminal that earth terminal is building ground connection or individually draws ground is reserved in laboratory, and its availability test is used, also is available for calculating
The control device such as machine normal ground is used, and every equipment for needing to be grounded can be used, and reserved location is not fixed, and generally requires two
Secondary extraction, this patent are grounded effect of the transposition equivalent to secondary extraction.
3) smart machine to be detected is grounded
Smart machine earth terminal to be detected is connected with double-deck ground stud 4, forms ground connection, smart machine to be detected can be to fall
Ground equipment or bench device, bench device are placed on copper earth plate, and landing equipment is directly placed at ground foldable mobile copper
On plate.
Embodiments of the invention are these are only, are not intended to limit the invention, it is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvements done etc., applying within pending scope of the presently claimed invention.
Claims (9)
- A kind of 1. smart machine electromagnetic compatibility detection earthing or grounding means, it is characterised in that：Described device includes parallel on the ground The removable lumps of wood and wooden table placed；Copper earth plate is equipped with the wooden table, the sidepiece of the removable lumps of wood is provided with can Adjust spacing copper bar；The adjustable spacing copper bar connects copper bar by several march-pasts and is connected with the copper earth plate；The foldable mobile copper coin parallel to the removable lumps of wood is also equipped with the ground, the wooden table is placed in and can rolled over On stacked movement copper coin, the foldable mobile copper coin is connected with the adjustable spacing copper bar.
- 2. earthing or grounding means according to claim 1, it is characterised in that：The wooden table includes supporting leg and the desktop on the supporting leg, and the desktop is rectangular slab, the grounding copper Plate is the rectangular copper being laid on center parallel on the desktop；Looked up from the side perpendicular to ground, the desktop Outline be located on the inside of the outline of the copper earth plate.
- 3. earthing or grounding means according to claim 1 or 2, it is characterised in that：Side on the copper earth plate parallel and close to the removable lumps of wood is provided with vertical direction through the logical of the copper earth plate Hole, one end of march-past connection copper bar are provided with the mounting hole corresponding with the through hole, the march-past connect copper bar with it is described The upper surface of copper earth plate fits, and by being connected to the grounding copper through the brass bolt of the mounting hole and the through hole On plate, the connecting portion of the march-past connection copper bar and the copper earth plate, which is additionally provided with vertical direction, to be run through and connects described March-past connects the double-deck ground stud of copper bar and the copper earth plate.
- 4. earthing or grounding means according to claim 3, it is characterised in that：The removable lumps of wood is strip hexahedron, and the one side of the removable lumps of wood is provided with the peace parallel to its axis direction Tankage, the installation trench bottom are provided with the screw perpendicular to removable lumps of wood axis direction.
- 5. earthing or grounding means according to claim 4, it is characterised in that：Adjustable spacing copper bar is embedded in the mounting groove, and the adjustable spacing copper bar is both ends and the removable lumps of wood both ends Concordant rectangle, the adjustable spacing copper bar are provided with the through hole of the equidistantly distributed on axis, the adjustable spacing copper bar By being connected through the brass bolt of the through hole and the screw with the removable lumps of wood；One end of march-past connection copper bar is provided with the mounting hole corresponding with the through hole on the adjustable spacing copper bar, described point of row Formula connects copper bar by being connected through the brass bolt of the through hole and the mounting hole with the adjustable spacing copper bar.
- A kind of 6. earthing method that earthing or grounding means with claim 1 is realized, it is characterised in that：Methods described includes following step Suddenly：Step 1：Make earthing or grounding means；Step 2：Earthing or grounding means is installed；Step 3：Measurement equipment to be checked is grounded by earthing or grounding means.
- 7. earthing method according to claim 6, it is characterised in that：The step 1 includes：At least 4 Split type connection copper bars are spaced, Split type connection copper bar one end passed through double Layer ground stud and brass bolt are connected to copper earth plate, and the other end is connected to adjustable spacing copper bar by brass bolt；By adjustable spacing The removable lumps of wood of copper bar insertion, and be attached thereto by brass bolt；Copper earth plate is placed on the wooden table of no metal connection；Will Wooden table is placed on foldable mobile copper coin.
- 8. earthing method according to claim 6, it is characterised in that：The step 2 includes：Earthing or grounding means first is positioned over into laboratory in laboratory to reserve near earth terminal, then will be removable Adjustable spacing copper bar on the lumps of wood is connected to reserved earth terminal by copper braid over braid, is then connected to foldable mobile copper coin Adjustable spacing copper bar.
- 9. earthing method according to claim 6, it is characterised in that：The step 3 includes：Equipment ground end to be detected and double-deck ground stud are electrically connected, form ground connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497556.0A CN105048213B (en) | 2015-08-13 | 2015-08-13 | A kind of smart machine electromagnetic compatibility detection earthing or grounding means and earthing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510497556.0A CN105048213B (en) | 2015-08-13 | 2015-08-13 | A kind of smart machine electromagnetic compatibility detection earthing or grounding means and earthing method |
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| CN105048213A CN105048213A (en) | 2015-11-11 |
| CN105048213B true CN105048213B (en) | 2018-01-19 |
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| CN109188152B (en) * | 2018-10-15 | 2021-02-12 | 青岛四方庞巴迪铁路运输设备有限公司 | Method for detecting common-mode disturbance of grounding circuit |
| CN110371144A (en) * | 2019-08-26 | 2019-10-25 | 中车长春轨道客车股份有限公司 | A kind of ground structure of composite material car body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539937A (en) * | 2012-02-22 | 2012-07-04 | 苏州泰思特电子科技有限公司 | Static detection platform for non-earthing equipment with nonmetallic shell |
| CN202614859U (en) * | 2012-03-27 | 2012-12-19 | 上海市电力公司 | Electromagnetic compatibility testing system |
| CN204011007U (en) * | 2014-06-10 | 2014-12-10 | 常州市英中电气有限公司 | For the ground screen of superhigh pressure or extra-high voltage transformer |
| CN204067597U (en) * | 2014-08-29 | 2014-12-31 | 中国航空无线电电子研究所 | A kind of Low ESR combination ground connection is dull and stereotyped |
| CN104635089A (en) * | 2015-02-10 | 2015-05-20 | 北京理工大学 | Conduction electromagnetic interference experimental platform for electric automobile motor driving system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020039030A1 (en) * | 2000-08-03 | 2002-04-04 | Mehyar Khazei | System, method, and apparatus for product diagnostic and evaluation testing |
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2015
- 2015-08-13 CN CN201510497556.0A patent/CN105048213B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539937A (en) * | 2012-02-22 | 2012-07-04 | 苏州泰思特电子科技有限公司 | Static detection platform for non-earthing equipment with nonmetallic shell |
| CN202614859U (en) * | 2012-03-27 | 2012-12-19 | 上海市电力公司 | Electromagnetic compatibility testing system |
| CN204011007U (en) * | 2014-06-10 | 2014-12-10 | 常州市英中电气有限公司 | For the ground screen of superhigh pressure or extra-high voltage transformer |
| CN204067597U (en) * | 2014-08-29 | 2014-12-31 | 中国航空无线电电子研究所 | A kind of Low ESR combination ground connection is dull and stereotyped |
| CN104635089A (en) * | 2015-02-10 | 2015-05-20 | 北京理工大学 | Conduction electromagnetic interference experimental platform for electric automobile motor driving system |
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