CN106384896A - Grounding device for electric instrument - Google Patents
Grounding device for electric instrument Download PDFInfo
- Publication number
- CN106384896A CN106384896A CN201611003186.1A CN201611003186A CN106384896A CN 106384896 A CN106384896 A CN 106384896A CN 201611003186 A CN201611003186 A CN 201611003186A CN 106384896 A CN106384896 A CN 106384896A
- Authority
- CN
- China
- Prior art keywords
- grounding
- electric meter
- cable
- grounding device
- button
- 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.)
- Granted
Links
- 239000004020 conductor Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- MGCQZNBCJBRZDT-UHFFFAOYSA-N midodrine hydrochloride Chemical compound [H+].[Cl-].COC1=CC=C(OC)C(C(O)CNC(=O)CN)=C1 MGCQZNBCJBRZDT-UHFFFAOYSA-N 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 2
- 239000011888 foil Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0064—Earth or grounding circuit
Abstract
The invention discloses a grounding device for an electric instrument. A cable output tube of the electric instrument is connected with a cable protecting tube through a connecting flange. The cable protecting tube is connected with a cable and a grounding wire through a connecting T-joint. The grounding wire is connected with a grounding shielding column. The lower end of the grounding shielding column is connected with a grounding fixed plate. A plurality of grounding pins are fixedly arranged on the lower end surface of the grounding fixed plate. The grounding pins are arranged in a manner of extending into ground. A shielding foil wire winds the grounding shielding column. The grounding device for the electric instrument is particularly arranged; and quick electric instrument grounding is realized just through fixing the connecting flange in construction. The grounding shielding column according to the invention has high external shielding effect and furthermore reduces effect of external electromagnetic signals to the electric instrument. Furthermore the grounding pins can ensure high grounding reliability and improves stability. Relatively high convenience of the connecting T-joint in use is realized. Furthermore detachment of the cable and the grounding wire of the electrical instrument is facilitated. Additionally, convenience in use and debugging is improved.
Description
Technical field
The present invention relates to a kind of electric meter grounding device, belong to the equipment technical field of electric meter auxiliary.
Background technology
The development maked rapid progress with science and technology, the particularly continuous progress of information technology, intelligent automation
The various aspects that life produces constantly are entered into.Nowadays, smart instrumentation also constantly spreads to some big electric power plants.
The advantage of smart instrumentation is that it can rely on the self-diagnosis technology of itself to carry out monitor in real time to instrument operation, and can be to possible
The fault occurring gives alarm, and failure problems can be diagnosed, and has automatic repair function.Therefore, this can be big
The earth ensures the safe operation of power automatic system, greatly reduces manpower and materials and puts into.And, smart instrumentation can also
Monitor data is shown to staff accurately understand in detail so as to have to corresponding instrument, thus taking more efficient comprehensive
Management and maintenance measure., it not only can be supervised in real time to the ruuning situation of instrument taking novel intelligent effusion meter as a example
Control moreover it is possible to by measuring to coil performance and line electrode etc.,
Assess whether that instrument fault occurs with this.Additionally, instrument operation index can also be compared by it with the index that dispatches from the factory, comment
Estimate instrument each part ruuning situation, potential faults that may be present are carried out giving warning in advance and automatically repairs.
For electric meter, its safety is most important, and for safety, it is grounded performance and construction
Convenience be in first place, at present, the ground connection of electric meter to be realized typically only by the way of earth lead, and this mode is applied
Work is fairly simple, easily causes the signal interference to electric meter, the certainty of measurement of impact instrument, safety is also inadequate, uncomfortable
Close the occasion of high-accuracy electric meter.
Content of the invention
The present invention is directed to existing technical problem, provides a kind of electric meter grounding device it is therefore an objective to improve electric instrument
The safety of table ground connection, it is ensured that the reliability service of electric meter, improves the running precision of electric meter, prevents to electric meter
Signal disturbs, and intends to solve the problem that prior art exists.
For achieving the above object, the present invention provides following technical scheme：A kind of electric meter grounding device, it includes electricity
Gas instrument, adpting flange, cable protection pipe, connecting tee, cable, earth lead, grounded shield post, ground connection fixed disk and ground connection are inserted
Pin it is characterised in that the cable outlet tube of described electric meter is connected with cable protection pipe to be connected by adpting flange,
Described cable protection pipe is connected with described cable and earth lead respectively by described connecting tee, described earth lead with
Described grounded shield post connects, and the lower end of described grounded shield post connects described ground connection fixed disk, and described ground connection is solid
The lower surface of price fixing is fixedly installed multiple described ground connection contact pins, and described ground connection contact pin stretches into underground setting, and described connects
The surrounding of ground shielding post is wound around and is provided with curtain silk thread.
Further, preferably, described connecting tee includes main body, T-shaped connection conductor, conducting strip, stud, spring, spiral shell
Button, connection button and union joint, wherein, the top of described body interior is provided with T-shaped connection conductor, and described T-shaped connection is led
The electric meter described in left end connect setting of body, the right-hand member connect setting cable of described T-shaped connection conductor, described T-shaped company
The lower end connecing conductor is connected with two conducting strips being oppositely arranged, and the described outer end of conducting strip is fixedly connected setting institute
The stud stated, the outer end of described stud is threaded on described spiral shell button, and described spiral shell button is spindle rotationally arranged in described
Main body outside, be additionally provided with described spring between the described inwall of main body and described conducting strip, described connection
On described earth lead, the end of described union joint is provided with connection button to head connect setting, described connection button with described
Conducting strip cooperation grafting setting.
Further, preferably, described conducting strip is isosceles trapezoidal structure, and one end of the handle of two conducting strips is relatively
Setting.
Further, preferably, described connection button is the structure with arc convex.
Further, preferably, described ground connection fixed disk is fixedly installed on the ground using foundation bolt.
Further, preferably, described contact pin becomes for copper.
Further, preferably, described grounded shield post is aluminum material.
Compared with prior art, the invention has the beneficial effects as follows：
The special electric meter grounding device of present invention setting, in construction, only need to be fixedly connected flange, you can realize quickly
Electric meter is grounded, and, the grounded shield post of the present invention has extraneous shield effectiveness well, reduces external electromagnetic
The impact to electric meter for the signal, is grounded contact pin it is ensured that the reliability of ground connection simultaneously, improves stability, meanwhile, connects three
Lead to and using more convenient, also allow for the cable to electric meter, earth lead is dismantled, improve and use and debug
Convenience.
Brief description
Fig. 1 is a kind of structural representation of electric meter grounding device of the present invention；
Fig. 2 is a kind of structural representation of the connecting tee of electric meter grounding device of the present invention；
Wherein, 1, electric meter, 2, adpting flange, 3, cable protection pipe, 4, connecting tee, 5, cable, 6, earth lead, 7, ground connection
Shielding post, 8, ground connection fixed disk, 9, ground connection contact pin, 10, main body, 11, T-shaped connection conductor, 12, conducting strip, 13, stud, 14, bullet
Spring, 15, spiral shell button, 16, connection button, 17, union joint.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, the present invention provides a kind of technical scheme：A kind of electric meter grounding device, it includes electric instrument
Table 1, adpting flange 2, cable protection pipe 3, connecting tee 4, cable 5, earth lead 6, grounded shield post 7, ground connection fixed disk 8 and connecing
Ground contact pin 9 is it is characterised in that the cable outlet tube of described electric meter 1 passes through adpting flange 2 and cable protection to be connected
Pipe 3 connects, and described cable protection pipe 3 is connected with described cable 5 and earth lead 6 respectively by described connecting tee 4, institute
The earth lead 6 stated is connected with described grounded shield post 7, and the lower end of described grounded shield post 7 connects described ground connection and fixes
Disk 8, the lower surface of described ground connection fixed disk 8 is fixedly installed multiple described ground connection contact pins 9, and described ground connection contact pin stretches into
Underground is arranged, and the surrounding of described grounded shield post 7 is wound around and is provided with curtain silk thread.
In the present embodiment, described connecting tee includes main body 10, T-shaped connection conductor 11, conducting strip 12, stud 13, bullet
Spring 14, spiral shell button 15, connection button 16 and union joint 17, wherein, the described top within main body 10 is provided with T-shaped connection conductor
11, the electric meter described in left end connect setting of described T-shaped connection conductor 11, the right-hand member of described T-shaped connection conductor 11 is even
Connect setting cable, the lower end of described T-shaped connection conductor 11 is connected with two conducting strips being oppositely arranged 12, and described leads
The described stud 13 of setting is fixedly connected on the outer end of electric piece 12, the outer end of described stud 13 is threaded in described spiral shell button
On 15, described spiral shell button 15 is spindle rotationally arranged in the outside of described main body 10, the described inwall of main body 10 with described
It is additionally provided with described spring 14, described union joint 17 connect setting is on described earth lead, described between conducting strip 12
The end of union joint 17 be provided with connection button 16, described connection button 16 and the cooperation grafting setting of described conducting strip 12.
Wherein, described conducting strip is isosceles trapezoidal structure, and one end of the handle of two conducting strips is oppositely arranged.Described
Connection button is the structure with arc convex.Described ground connection fixed disk is fixedly installed on the ground using foundation bolt.Described
Contact pin be copper become.Described grounded shield post is aluminum material.
The special electric meter grounding device of present invention setting, in construction, only need to be fixedly connected flange, you can realize fast
Fast is grounded to electric meter, and, the grounded shield post of the present invention has extraneous shield effectiveness well, reduces extraneous
The impact to electric meter for the electromagnetic signal, is grounded contact pin it is ensured that the reliability of ground connection simultaneously, improves stability, meanwhile, even
Connect threeway and using more convenient, also allow for the cable to electric meter, earth lead is dismantled, improve and use and adjust
The convenience of examination.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (7)
1. a kind of electric meter grounding device, it includes electric meter, adpting flange, cable protection pipe, connecting tee, electricity
Cable, earth lead, grounded shield post, ground connection fixed disk and ground connection contact pin are it is characterised in that the cable of described electric meter exports
Gutron is crossed adpting flange and is connected with cable protection pipe to be connected, and described cable protection pipe passes through described connecting tee respectively
It is connected with described cable and earth lead, described earth lead is connected with described grounded shield post, described grounded shield post
Lower end connect described ground connection fixed disk, the lower surface of described ground connection fixed disk is fixedly installed multiple described ground connection and inserts
Pin, described ground connection contact pin stretches into underground setting, and the surrounding of described grounded shield post is wound around and is provided with curtain silk thread.
2. a kind of electric meter grounding device according to claim 1 it is characterised in that：Described connecting tee includes leading
Body, T-shaped connection conductor, conducting strip, stud, spring, spiral shell button, connection button and union joint, wherein, the top of described body interior
It is provided with T-shaped connection conductor, the electric meter described in left end connect setting of described T-shaped connection conductor, described T-shaped connection is led
The right-hand member connect setting cable of body, the lower end of described T-shaped connection conductor is connected with two conducting strips being oppositely arranged, institute
The described stud of setting is fixedly connected on the outer end of the conducting strip stated, the outer end of described stud is threaded in described spiral shell button
On, described spiral shell button is spindle rotationally arranged in the outside of described main body, the described inwall of main body and described conducting strip it
Between be additionally provided with described spring, described union joint connect setting on described earth lead, the end of described union joint
It is provided with connection button, described connection button and the cooperation grafting setting of described conducting strip.
3. a kind of electric meter grounding device according to claim 2 it is characterised in that：Described conducting strip is isosceles ladder
Shape structure, and one end of the handle of two conducting strips is oppositely arranged.
4. a kind of electric meter grounding device according to claim 2 it is characterised in that：Described connection button is with arc
The raised structure of shape.
5. a kind of electric meter grounding device according to claim 1-4 any one it is characterised in that：Described connects
Ground fixed disk is fixedly installed on the ground using foundation bolt.
6. a kind of electric meter grounding device according to claim 1-4 any one it is characterised in that：Described inserts
Pin becomes for copper.
7. a kind of electric meter grounding device according to claim 1-4 any one it is characterised in that：Described connects
Ground shielding post is aluminum material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003186.1A CN106384896B (en) | 2016-11-15 | 2016-11-15 | A kind of electric meter earthing or grounding means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003186.1A CN106384896B (en) | 2016-11-15 | 2016-11-15 | A kind of electric meter earthing or grounding means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106384896A true CN106384896A (en) | 2017-02-08 |
| CN106384896B CN106384896B (en) | 2018-11-30 |
Family
ID=57958852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611003186.1A Active CN106384896B (en) | 2016-11-15 | 2016-11-15 | A kind of electric meter earthing or grounding means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106384896B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684138A (en) * | 2018-06-01 | 2018-10-19 | 苏州古柏利电子科技有限公司 | A kind of new electronic component earthing or grounding means |
| CN111836531A (en) * | 2020-05-29 | 2020-10-27 | 武汉船用机械有限责任公司 | Electromagnetic radiation shielding device and method for cable |
| CN112271466A (en) * | 2020-10-22 | 2021-01-26 | 山东朗晖石油化学股份有限公司 | Method for eliminating instrument signal interference |
| CN113285247A (en) * | 2021-04-30 | 2021-08-20 | 国网江西省电力有限公司九江供电分公司 | Universal wire grounding device for power transmission line |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247878Y (en) * | 1995-12-26 | 1997-02-19 | 钱根源 | Corrosion-proof earthing protection device |
| US20050106940A1 (en) * | 2003-10-31 | 2005-05-19 | Medtronic, Inc | Assembly and method for connecting electrical medical components |
| CN102315522A (en) * | 2010-07-06 | 2012-01-11 | 中国石油天然气集团公司 | Earthing device of pipeline station instrument equipment and construction method of earthing device |
| CN202838980U (en) * | 2012-08-15 | 2013-03-27 | 安徽三星化工有限责任公司 | Instrument anti-interference device |
| CN203132628U (en) * | 2012-12-11 | 2013-08-14 | 南通文龙科技发展有限公司 | Annular grounding device for flow meter |
| CN104577523A (en) * | 2013-09-25 | 2015-04-29 | 通贝国际有限公司 | Permanent Ground Point for Splicing Connectors |
| CN205487486U (en) * | 2016-03-30 | 2016-08-17 | 国网山东省电力公司青岛供电公司 | High tension cable metallic sheath ground structure |
| CN205543271U (en) * | 2016-01-19 | 2016-08-31 | 三峡大学 | Novel three -dimensional earth mat |
| CN205543268U (en) * | 2016-01-13 | 2016-08-31 | 南京国雷电力科技有限公司 | Shielding type ground connection base |
-
2016
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| CN2247878Y (en) * | 1995-12-26 | 1997-02-19 | 钱根源 | Corrosion-proof earthing protection device |
| US20050106940A1 (en) * | 2003-10-31 | 2005-05-19 | Medtronic, Inc | Assembly and method for connecting electrical medical components |
| CN102315522A (en) * | 2010-07-06 | 2012-01-11 | 中国石油天然气集团公司 | Earthing device of pipeline station instrument equipment and construction method of earthing device |
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| CN203132628U (en) * | 2012-12-11 | 2013-08-14 | 南通文龙科技发展有限公司 | Annular grounding device for flow meter |
| CN104577523A (en) * | 2013-09-25 | 2015-04-29 | 通贝国际有限公司 | Permanent Ground Point for Splicing Connectors |
| CN205543268U (en) * | 2016-01-13 | 2016-08-31 | 南京国雷电力科技有限公司 | Shielding type ground connection base |
| CN205543271U (en) * | 2016-01-19 | 2016-08-31 | 三峡大学 | Novel three -dimensional earth mat |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684138A (en) * | 2018-06-01 | 2018-10-19 | 苏州古柏利电子科技有限公司 | A kind of new electronic component earthing or grounding means |
| CN111836531A (en) * | 2020-05-29 | 2020-10-27 | 武汉船用机械有限责任公司 | Electromagnetic radiation shielding device and method for cable |
| CN112271466A (en) * | 2020-10-22 | 2021-01-26 | 山东朗晖石油化学股份有限公司 | Method for eliminating instrument signal interference |
| CN113285247A (en) * | 2021-04-30 | 2021-08-20 | 国网江西省电力有限公司九江供电分公司 | Universal wire grounding device for power transmission line |
| CN113285247B (en) * | 2021-04-30 | 2023-05-26 | 国网江西省电力有限公司九江供电分公司 | Power transmission line universality wire grounding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106384896B (en) | 2018-11-30 |
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Effective date of registration: 20180926 Address after: 050800 No. 23 Shang Bei street, Mu Zhuang village, Nan Niu Township, Zhengding County, Shijiazhuang, Hebei Applicant after: SHIJIAZHUANG ANBANG SHITONG AUTOMATION EQUIPMENT CO.,LTD. Address before: 050000 No. 23 Shang Bei street, Mu Zhuang village, Nan Niu Township, Zhengding County, Shijiazhuang, Hebei Applicant before: Gao Huan |
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Address after: 050800 room 3, unit 2, Fuyuan Garden 2, 359 ZHENGZHAO North Street, Zhengding County, Shijiazhuang, Hebei. Applicant after: SHIJIAZHUANG ANBANG SHITONG AUTOMATION EQUIPMENT CO.,LTD. Address before: 050800 No. 23 Shang Bei street, Mu Zhuang village, Nan Niu Township, Zhengding County, Shijiazhuang, Hebei Applicant before: SHIJIAZHUANG ANBANG SHITONG AUTOMATION EQUIPMENT CO.,LTD. |
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Address after: 050800 South Ring West Road, Wuxing Village, Zhengding County, Shijiazhuang City, Hebei Province (200 meters west of Gongshe Daguocai) Patentee after: Hebei Anbang Shitong Automation Equipment Co.,Ltd. Country or region after: China Address before: 050800 room 3, unit 2, Fuyuan Garden 2, 359 ZHENGZHAO North Street, Zhengding County, Shijiazhuang, Hebei. Patentee before: SHIJIAZHUANG ANBANG SHITONG AUTOMATION EQUIPMENT CO.,LTD. Country or region before: China |
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