CN111355208A - Power grid controllable reactance and small resistance composite grounding complete device - Google Patents

Power grid controllable reactance and small resistance composite grounding complete device Download PDF

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Publication number
CN111355208A
CN111355208A CN202010340166.3A CN202010340166A CN111355208A CN 111355208 A CN111355208 A CN 111355208A CN 202010340166 A CN202010340166 A CN 202010340166A CN 111355208 A CN111355208 A CN 111355208A
Authority
CN
China
Prior art keywords
lightning
power grid
arrester
fixed mounting
small resistance
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.)
Pending
Application number
CN202010340166.3A
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Chinese (zh)
Inventor
王长赞
何红梅
洪文刚
温从众
贾婷玉
余龙林
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Anhui Langyi Electric Power Technology Co ltd
Original Assignee
Anhui Langyi Electric Power Technology Co ltd
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Filing date
Publication date
Application filed by Anhui Langyi Electric Power Technology Co ltd filed Critical Anhui Langyi Electric Power Technology Co ltd
Priority to CN202010340166.3A priority Critical patent/CN111355208A/en
Publication of CN111355208A publication Critical patent/CN111355208A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00Installations of lightning conductors; Fastening thereof to supporting structure
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00Installations of lightning conductors; Fastening thereof to supporting structure
    • H02G13/40Connection to earth
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00Installations of lightning conductors; Fastening thereof to supporting structure
    • H02G13/60Detecting; Measuring; Sensing; Testing; Simulating
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/005Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions

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  • Emergency Protection Circuit Devices (AREA)

Abstract

The invention discloses a power grid controllable reactance and small resistance composite grounding complete device which comprises a cement vertical rod and a top plate, wherein the top of the cement vertical rod is fixedly provided with the top plate, one side of the top plate is fixedly provided with a current transformer, the top of the current transformer is provided with a first lightning protection ball through an insulator, the other side of the top plate is fixedly provided with a lightning arrester, the top of the lightning arrester is fixedly provided with an installation plate, and the installation plate is fixedly provided with a second lightning protection ball corresponding to the first lightning protection ball. The lightning arrester not only ensures the normal discharge operation of the grounding device to the line, but also can absorb lightning impulse waves to discharge firstly, and the lightning protection ball not only can further enhance the lightning protection performance of the device, so that the device can rapidly carry out induction detection on power current, convert primary current with larger value into secondary current with smaller value through a certain transformation ratio, and reduce the resistance of the current.

Description

Power grid controllable reactance and small resistance composite grounding complete device
Technical Field
The invention relates to the technical field of grounding devices, in particular to a power grid controllable reactance and small resistance composite grounding complete device.
Background
The grounding device is also called a grounding integrated device: the earthing device is composed of earthing pole (plate), earthing bus (indoor, outdoor), earthing down lead (earthing jumper) and frame earthing.
The existing grounding device has the following defects:
1. the integral protection strength of the existing grounding device is still deficient, and the current impact existing inside and outside cannot be better detected and reduced, so that the situation of protection omission still occurs in the device during operation, the operation performance of the device is reduced, and the application range of the device is narrowed;
2. the whole existing grounding device is basically operated in a single body mode, resistance cannot be reduced through better matching with a grounding mechanism, the whole operation of the grounding device is easily influenced by interference due to the fact that the resistance is large when the whole grounding device is operated, the whole operation performance of the grounding device is reduced, and therefore the existing problem is solved by providing the power grid controllable reactance and small resistance composite grounding complete device.
Disclosure of Invention
The invention aims to provide a power grid controllable reactance and small resistance composite grounding complete device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a controllable reactance of power grid and compound ground connection integrated equipment of little resistance, includes cement pole setting and roof, the top fixed mounting of cement pole setting has the roof, one side fixed mounting at roof top has current transformer, first lightning-arrest ball is installed through the insulator in the current transformer top, the opposite side fixed mounting at roof top has the arrester, the top fixed mounting of arrester has the mounting panel, mounting panel fixed mounting has the lightning-arrest ball of second that corresponds with first lightning-arrest ball, install outdoor isolator on the arrester, the arrester is installed and is run through the earth connection in the cement pole setting, install the manual switch mechanism that extends in the cement pole setting.
Preferably, the bottom of the cement upright rod is fixedly provided with a mounting bottom plate, and the mounting bottom plate is provided with a fastening bolt matched with the mounting bottom plate.
Preferably, the manual switch mechanism and the outdoor isolating switch are installed in a butt joint mode through a second connecting wire, and an insulating handle is arranged on the manual switch mechanism.
Preferably, one side fixed mounting of mounting panel has the adapter, the adapter passes through first connecting wire and outdoor isolator butt joint installation.
Preferably, the cement upright post and the top plate are fixedly installed through an installation head, and the lightning arrester and the grounding wire are fixedly connected through a connecting external gauge.
Preferably, the second lightning protection ball and the mounting plate are fixedly mounted through a mounting seat, and the insulator and the first lightning protection ball are in butt joint installation through a connecting rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the lightning arrester not only ensures the normal discharge operation of the grounding device to the line, but also can absorb lightning shock waves to discharge firstly, the lightning current is safely led into the ground through a good conductor, the lightning voltage amplitude is limited below the lightning shock level of protected equipment by utilizing the grounding device, the electrical equipment is protected, the operation performance of the device is improved, the lightning protection ball not only can further enhance the lightning protection performance of the device, but also can monitor and reduce the lightning shock waves, and the stability of the device during the operation is improved.
2. The device can quickly sense and detect the power current through the arranged current transformer, converts primary current with larger value into secondary current with smaller value through a certain transformation ratio, reduces the resistance of the current, realizes the protection operation of the grounding device, and achieves the characteristic of small-resistance operation.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a partial structural schematic diagram of the present invention.
In the figure: 1. mounting a bottom plate; 2. a ground line; 201. a connecting kit; 3. a copper hoop is arranged inside; 4. cement vertical rods; 401. a mounting head; 5. a top plate; 6. a current transformer; 601. an insulator; 602. a connecting rod; 603. a first lightning ball; 7. mounting a plate; 701. a second lightning ball; 702. a mounting seat; 703. an adapter; (ii) a 8. A lightning arrester; 9. a first connecting line; 10. a second connecting line; 11. a manual switching mechanism; 12. outdoor isolating switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, an embodiment of the present invention is shown: a power network controllable reactance and small resistance composite grounding complete device comprises a cement upright post 4 and a top plate 5, wherein the other side of the top plate 5 is fixedly provided with a lightning arrester 8 through a bolt joint, the lightning arrester 8 not only ensures the normal discharging operation of the grounding device on a line, but also can absorb lightning shock waves and firstly discharge, lightning current is safely led into the ground through a good conductor, the lightning voltage amplitude is limited below the lightning shock level of protected equipment by utilizing the grounding device, the electrical equipment is protected, the operating performance of the device is improved, the top of the lightning arrester 8 is fixedly provided with a mounting plate 7 through the bolt joint, the mounting plate 7 is fixedly provided with a second lightning protection ball 701 corresponding to a first lightning protection ball 603, the lightning protection balls can further enhance the lightning protection performance of the device and can monitor and reduce the lightning shock waves of lightning strikes at the same time, the stability of the device during operation is improved, the outdoor isolating switch 12 is arranged on the lightning arrester 8, the grounding wire 2 penetrating through the cement upright stanchion 4 is arranged on the lightning arrester 8, the manual switch mechanism 11 extending out is arranged in the cement upright stanchion 4, the manual switch mechanism 11 and the outdoor isolating switch 12 enable the device to better cooperate with workers to operate, the device realizes self grounding and electricity-resistant operation, meanwhile, the manual control is convenient for the workers, the situation that the whole electrical appliance structure cannot normally operate due to the failure of the device is avoided or reduced, the hidden danger of the device during operation is reduced, the top of the cement upright stanchion 4 is fixedly provided with the top plate 5 through a bolt structure, one side of the top plate 5 is fixedly provided with the current transformer 6 through a bolt structure, and the current transformer 6 enables the device to quickly sense and detect power current, the primary current with a large value is converted into the secondary current with a small value through a certain transformation ratio, the resistance of the current is reduced, the protection operation of the grounding device is realized, the characteristic of small resistance operation is achieved, and the first lightning protection ball 603 is installed on the top of the current transformer 6 through the insulator 601.
Further, the bottom fixed mounting of cement pole setting 4 has mounting plate 1, and is equipped with the fastening bolt that forms a complete set and use on mounting plate 1, and mounting plate 1 makes cement pole setting 4 realize the fixed effect of quick installation through fastening bolt, and the staff can install fixedly and dismantle the maintenance to cement pole setting 4 according to the actual work demand.
Further, the manual switch mechanism 11 and the outdoor isolating switch 12 are installed in a butt joint mode through the second connecting line 10, the second connecting line 10 plays a role in receiving power connection, power-on operation between the manual switch mechanism 11 and the outdoor isolating switch 12 is guaranteed, the manual switch mechanism 11 is provided with an insulating handle, the insulating handle further improves the insulating effect of the manual switch mechanism 11, and stability of workers during operation is guaranteed.
Further, one side fixed mounting of mounting panel 7 has adapter 703, and adapter 703 has played the effect of accepting the installation, has guaranteed that the ground between wire and the wire connects the installation, has realized the effect of connecing the electric circular telegram, and adapter 703 docks the installation through first connecting wire 9 and outdoor isolator 12, and first connecting wire 9 has played the effect of accepting the installation, has guaranteed the electric operation of connecting of device.
Further, it is fixed to install through installation head 401 between cement pole setting 4 and the roof 5, and installation head 401 has played the effect of accepting the installation, has guaranteed the butt joint installation between cement pole setting 4 and the roof 5, and the staff of being convenient for simultaneously again dismantles the maintenance, through connecting 201 rule fixed connection of external member between arrester 8 and the earth connection 2, connects the external member 201 to the effect of accepting the installation of playing between arrester 8 and the earth connection 2.
Further, the second lightning protection ball 701 is fixedly installed on the installation plate 7 through the installation seat 702, the installation seat 702 ensures that the second lightning protection ball 701 is fixedly installed on the installation plate 7, the effect of bearing installation is achieved, the insulator 601 and the first lightning protection ball 603 are installed in a butt joint mode through the connecting rod 602, the connecting rod 602 achieves the effect of bearing installation, and meanwhile normal operation of the device is guaranteed.
The working principle is as follows: during operation, the device is fixedly installed through fastening bolts on the installation bottom plate 1, a desired power wire is electrically connected with the lightning arrester 8, the current transformer 6 and the lightning arrester 8 are matched with each other during operation to detect current pulses and lightning waves, and existing power and the grounding wire 2 are grounded and conducted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a controllable reactance of power grid and compound ground connection integrated equipment of little resistance, includes cement pole setting (4) and roof (5), its characterized in that: the top fixed mounting of cement pole setting (4) has roof (5), one side fixed mounting at roof (5) top has current transformer (6), first lightning-arrest ball (603) are installed through insulator (601) in current transformer (6) top, the opposite side fixed mounting at roof (5) top has arrester (8), the top fixed mounting of arrester (8) has mounting panel (7), mounting panel (7) fixed mounting has second lightning-arrest ball (701) that correspond with first lightning-arrest ball (603), install outdoor isolator (12) on arrester (8), earth connection (2) in running through cement pole setting (4) are installed to arrester (8), install manual switch mechanism (11) that extend in cement pole setting (4).
2. The power grid controllable reactance and small resistance composite grounding complete device as claimed in claim 1, characterized in that: the bottom of cement pole setting (4) is fixed mounting has mounting plate (1), and is equipped with the supporting fastening bolt who uses on mounting plate (1).
3. The power grid controllable reactance and small resistance composite grounding complete device as claimed in claim 1, characterized in that: the outdoor isolating switch is characterized in that the manual switch mechanism (11) and the outdoor isolating switch (12) are installed in a butt joint mode through a second connecting wire (10), and an insulating handle is arranged on the manual switch mechanism (11).
4. The power grid controllable reactance and small resistance composite grounding complete device as claimed in claim 1, characterized in that: one side fixed mounting of mounting panel (7) has adapter (703), adapter (703) dock the installation through first connecting wire (9) and outdoor isolator (12).
5. The power grid controllable reactance and small resistance composite grounding complete device as claimed in claim 1, characterized in that: the cement vertical rod (4) and the top plate (5) are fixedly installed through an installation head (401), and the lightning arrester (8) and the grounding wire (2) are fixedly connected through a connection kit (201) in a regular mode.
6. The power grid controllable reactance and small resistance composite grounding complete device as claimed in claim 1, characterized in that: the second lightning protection ball (701) is fixedly installed with the installation plate (7) through the installation seat (702), and the insulator (601) is installed with the first lightning protection ball (603) in a butt joint mode through the connecting rod (602).
CN202010340166.3A 2020-04-26 2020-04-26 Power grid controllable reactance and small resistance composite grounding complete device Pending CN111355208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010340166.3A CN111355208A (en) 2020-04-26 2020-04-26 Power grid controllable reactance and small resistance composite grounding complete device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010340166.3A CN111355208A (en) 2020-04-26 2020-04-26 Power grid controllable reactance and small resistance composite grounding complete device

Publications (1)

Publication Number Publication Date
CN111355208A true CN111355208A (en) 2020-06-30

Family

ID=71195076

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010340166.3A Pending CN111355208A (en) 2020-04-26 2020-04-26 Power grid controllable reactance and small resistance composite grounding complete device

Country Status (1)

Country Link
CN (1) CN111355208A (en)

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