CN209199707U - A kind of release unit and arrester for arrester - Google Patents
A kind of release unit and arrester for arrester Download PDFInfo
- Publication number
- CN209199707U CN209199707U CN201920175105.9U CN201920175105U CN209199707U CN 209199707 U CN209199707 U CN 209199707U CN 201920175105 U CN201920175105 U CN 201920175105U CN 209199707 U CN209199707 U CN 209199707U
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- China
- Prior art keywords
- conduct piece
- arrester
- release unit
- releasing mechanism
- insulated enclosure
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Abstract
The utility model relates to a kind of release units and arrester for arrester, first is that the mounting means for solving existing disconnector can change wiring and the mounting means of arrester；Second is that solving the problem of that can damage surrounding other equipment and the personal safety of operating personnel when disconnector is detached from causes system voltage to fluctuate induction system power-frequency overvoltage.The release unit includes insulated enclosure sleeve, upper conduct piece, releasing mechanism, lower conduct piece and is detached from auxiliary body；The both ends of insulated enclosure sleeve are arranged in upper conduct piece, lower conduct piece, and releasing mechanism setting is detached from auxiliary body and is arranged between releasing mechanism and lower conduct piece in insulated enclosure sleeve inner；Insulating gas is provided in insulated enclosure sleeve cavity body, upper conduct piece, releasing mechanism, lower conduct piece are sequentially connected electrically.Meanwhile the utility model also provides a kind of arrester, including arrester housing, upper end electrical connector, metal oxide resistance, lower end electrical connector and above-mentioned release unit.
Description
Technical field
The utility model relates to median and high voltage power system application apparatus, and in particular to a kind of release unit for arrester
And arrester.
Background technique
In modern power systems, the major measure for preventing arrester from puncturing is setting disconnector, and common disconnector is general
It is arranged outside arrester, disconnector either uses hot melten type principle or heat explosion type principle, is divided by after disengaging
Achieve the purpose that insulation at the air distance that two parts generate, therefore space required for disconnector installation is larger, and is detached from
The installation of device can also change wiring and the mounting means of original arrester, and installation and wiring to arrester bring very big inconvenience.
In addition, the installation shell of disconnector is obvious by environmental influence, it is outer frequent occurrence when shining upon lower or salt air corrosion
The phenomenon that shell season cracking, loses to the defencive function of arrester, separately due to throwing the uncertainty in direction when disconnector is detached from away,
Surrounding other equipment may be damaged, or even jeopardize the personal safety of operating personnel, if the insulation distance after throwing away is inadequate, also
It will cause arrester and continue electric discharge until breakdown；If the part electrification thrown away, also will cause to other equipment around or ground connection
Body electric discharge, causes system voltage to fluctuate, system power-frequency overvoltage can be induced when serious and is buried sternly to the operational safety of electric system
Weight hidden danger.
Utility model content
The purpose of this utility model is first is that the mounting means for solving existing disconnector can change the wiring and installation of arrester
Mode；Second is that solving that surrounding other equipment and the personal safety of operating personnel can be damaged when disconnector is detached from, cause system voltage
The problem of fluctuating induction system power-frequency overvoltage, provides a kind of release unit and arrester for arrester.
To achieve the goals above, the technical solution of the utility model is:
A kind of release unit for arrester, including insulated enclosure sleeve, upper conduct piece, releasing mechanism, lower conduct piece
With disengaging auxiliary body；The both ends of insulated enclosure sleeve, the releasing mechanism setting is arranged in the upper conduct piece, lower conduct piece
In insulated enclosure sleeve inner, the disengaging auxiliary body is arranged between releasing mechanism and lower conduct piece, the disengaging auxiliary
Mechanism is tension spring；Insulating gas, the upper conduct piece, releasing mechanism, lower conduction are provided in the insulated enclosure sleeve cavity body
Part is sequentially connected electrically.
Further, the insulating gas is SF6, nitrogen or the dry air of compression.
Further, the releasing mechanism is connected with lower conduct piece by electrical connecting wire.
Further, the releasing mechanism is hot melten type structure or heat explosion type structure.
Meanwhile the present invention also provides a kind of arresters, including arrester housing, upper end electrical connector, metal oxide electricity
Piece and lower end electrical connector are hindered, further includes release unit, the release unit is arranged in inside or outside arrester housing, and
It is electrically connected with the conduct piece of arrester；The release unit includes insulated enclosure sleeve, upper conduct piece, releasing mechanism, lower conduction
Part and disengaging auxiliary body；The both ends of insulated enclosure sleeve are arranged in the upper conduct piece, lower conduct piece, and the releasing mechanism is set
It sets in insulated enclosure sleeve inner, the disengaging auxiliary body is arranged between releasing mechanism and lower conduct piece, and the disengaging is auxiliary
Helping mechanism is tension spring；Be provided with insulating gas in the insulated enclosure sleeve cavity body, the upper conduct piece, releasing mechanism, under lead
Electric part is sequentially connected electrically.
Further, the insulating gas is SF6, nitrogen or the dry air of compression.
Further, the releasing mechanism is connected with lower conduct piece by electrical connecting wire.
Further, the releasing mechanism is hot melten type structure or heat explosion type structure.
Further, the release unit is arranged in above the outside of arrester housing, and lower conduct piece is electrically connected with upper end
Fitting electrical connection；Alternatively, the release unit is arranged in below the outside of arrester housing, and upper conduct piece is electrically connected with lower end
Part electrical connection.
Further, the inner upper end of arrester housing, the upper conduct piece and upper end electricity is arranged in the release unit
Connector electrical connection, the lower conduct piece are electrically connected with metal oxide resistance；Alternatively, the release unit setting is lightning-arrest
The bosom of device housing, the upper conduct piece, lower conduct piece are electrically connected with adjacent two layers metal oxide resistance respectively；Or
The interior lower end of arrester housing is arranged in person, the release unit, and the upper conduct piece is electrically connected with metal oxide resistance
It connects, the lower conduct piece is electrically connected with lower end electrical connector.
The utility model has the following beneficial effects:
It is arranged 1. the utility model will be disengaged from device in arrester jacket internal or outside, which does not influence arrester
Outline overall and installing dimensions, the installation of arrester and the mode of connection are constant, at the same the operation conditions of release unit by external environment because
The influence of element is small, keeps its operation more stable, protects relatively reliable.
2. the disengaging component of the utility model release unit, which is provided with, is detached from auxiliary body, disengaged position can be made more thorough
Bottom, insulation performance is more preferable, and under the action of being detached from auxiliary body, off-direction is determined, it is disorderly winged or right will not to cause a departure from part
The phenomenon that other equipment are discharged, will not more jeopardize the personal safety of operating personnel.
3. the insulation performance of release unit can be increased filled with insulating gas such as SF6 inside the utility model release unit,
Dielectric level is further ensured, system safety in operation is relatively reliable, while can also reduce the outer dimension of release unit, can
To be mounted on inside arrester, also may be mounted at outside arrester.
4. the insulated enclosure sleeve of the utility model release unit is made into different shapes, it can guarantee the outer of release unit
Insulation performance, to meet the operation demand of different running environment.
Detailed description of the invention
Fig. 1 is the utility model release unit structural schematic diagram one；
Fig. 2 is the utility model release unit structural schematic diagram two；
Fig. 3 is that the utility model release unit is mounted on the structural schematic diagram outside arrester；
Fig. 4 is the structural schematic diagram that the utility model release unit is mounted on arrester inner upper end；
Fig. 5 is the structural schematic diagram that the utility model release unit is mounted on arrester bosom；
Fig. 6 is the structural schematic diagram that the utility model release unit is mounted on arrester interior lower end.
Appended drawing reference: 1- arrester housing, the upper end 2- electrical connector, 3- metal oxide resistance, 4- release unit, 5-
Lower end electrical connector, 41- insulated enclosure sleeve, the upper conduct piece of 42-, 43- releasing mechanism, conduct piece under 44-, 45- are detached from auxiliary
Mechanism, 46- electrical connecting wire, 47- insulating gas.
Specific embodiment
It is described in further detail below in conjunction with content of the drawings and specific embodiments to the utility model:
The utility model provides a kind of metal oxide arrester release unit, the space that release unit installation needs
It is smaller, wiring and the mounting means of original arrester, installation and easy-to-connect, the insulated enclosure sleeve of release unit will not be changed
Not by environmental influence, shell season cracking phenomenon will not be occurred, the direction that when disengaging is thrown away is fixed, and portion will not be caused a departure from
Divide and disorderly fly the phenomenon that discharging other equipment, will not more jeopardize the personal safety of operating personnel, it is exhausted by insulating gas after disengaging
Edge, insulation performance is relatively reliable, can satisfy the operation demand of different running environment.
Release unit as shown in Figure 1 and Figure 2 for arrester, including it is insulated enclosure sleeve 41, upper conduct piece 42, de-
Disembark structure 43, lower conduct piece 44 and be detached from auxiliary body 45；Upper conduct piece 42, lower conduct piece 44 are arranged in insulated enclosure sleeve 41
Both ends, be electrically connected for the conduct piece with arrester, releasing mechanism 43 is arranged inside insulated enclosure sleeve 41, and is fixed on
On upper conduct piece 42；It is detached from auxiliary body 45 to be arranged between releasing mechanism 43 and lower conduct piece 44, being detached from auxiliary body 45 can
For tension spring, quickly it is detached from upper conduct piece 42 for will be disengaged from component.Insulated enclosure sleeve 41 can with upper conduct piece 42, under lead
Electric part 44 is configured as a sealing structure, and inside is filled with insulating gas 47 and improves insulation performance；Upper conduct piece 42, releasing mechanism 43, under
Conduct piece 44 is sequentially connected electrically, specifically, releasing mechanism 43 and lower conduct piece 44 are connected by electrical connecting wire 46.
Releasing mechanism 43 can use hot melten type structure, can also use heat explosion type structure, increase when being detached from part temperatures
It can be spontaneously decoupled when to specific temperature, realize the electric insulation between the metallic conduction part of insulating sleeve both ends.Insulating gas 47 is
SF6, nitrogen or the dry air of compression.Insulated enclosure sleeve 41 is made of insulating material, and can be made into different shapes as needed
Shape, to increase the insulation performance of appearance.
The utility model release unit 4 may be provided inside arrester, may also be arranged on outside arrester, the device not shadow
The outline overall and installing dimensions of arrester is rung, the installation of arrester and the mode of connection are constant, while the operation conditions of release unit 4 is not
It is influenced by outside environmental elements, operation is more stable, protects relatively reliable.
It is generated after the movement of the utility model release unit 4 without dust, and auxiliary releasing mechanism is set and guarantees thoroughly to take off
From, while filled with the insulating gas such as SF6 47 inside release unit 4, achieve the purpose that extinguish electric arc and reinforced insulation performance, increase
The insulation performance of release unit 4, dielectric level is guaranteed, and system safety in operation is relatively reliable.
Meanwhile the utility model also provides a kind of arrester, including arrester housing 1, upper end electrical connector 2, metal oxygen
Compound resistor disc 3 and lower end electrical connector 5, further include release unit 4, release unit 4 be arranged in arrester housing 1 inside or
Outside, and be electrically connected with the conduct piece of arrester；Arrester conduct piece refer to upper end electrical connector 2, lower end electrical connector 5 or
Metal oxide resistance 3.Release unit 4 includes insulated enclosure sleeve 41, upper conduct piece 42, releasing mechanism 43, lower conduct piece
44 and be detached from auxiliary body 45；The both ends of insulated enclosure sleeve 41, releasing mechanism 43 is arranged in upper conduct piece 42, lower conduct piece 44
It is arranged inside insulated enclosure sleeve 41, is detached from auxiliary body 45 and is arranged between releasing mechanism 43 and lower conduct piece 44, be detached from
Auxiliary body 45 is tension spring；Be provided with insulating gas 47 in 41 cavity of insulated enclosure sleeve, upper conduct piece 42, releasing mechanism 43,
Lower conduct piece 44 is sequentially connected electrically.The internal or external installation form that arrester housing 1 is arranged in release unit 4 is as follows:
As shown in figure 3, release unit 4 is arranged in above the outside of arrester housing 1, and lower conduct piece 44 is electrically connected with upper end
Fitting 2 is electrically connected；Alternatively, release unit 4 is arranged in below the outside of arrester housing 1, and upper conduct piece 42 is electrically connected with lower end
Fitting 5 is electrically connected.
As shown in figure 4, the inner upper end of arrester housing 1 is arranged in release unit 4, upper conduct piece 42 is electrically connected with upper end
Part 2 is electrically connected, and lower conduct piece 44 is electrically connected with metal oxide resistance 3.
As shown in figure 5, the bosom of arrester housing 1, upper conduct piece 42, lower conduct piece 44 is arranged in release unit 4
It is electrically connected respectively with adjacent two layers metal oxide resistance 3；
As shown in fig. 6, the interior lower end of arrester housing 1, upper conduct piece 42 and metal oxide is arranged in release unit 4
Resistor disc 3 is electrically connected, and lower conduct piece 44 is electrically connected with lower end electrical connector 5.
Claims (10)
1. a kind of release unit for arrester, it is characterised in that: including insulated enclosure sleeve (41), upper conduct piece (42),
Releasing mechanism (43), lower conduct piece (44) and disengaging auxiliary body (45)；
The upper conduct piece (42), lower conduct piece (44) are arranged in the both ends of insulated enclosure sleeve (41), the releasing mechanism
(43) setting is internal in insulated enclosure sleeve (41), and the disengaging auxiliary body (45) is arranged in releasing mechanism (43) and lower conduction
Between part (44), the disengaging auxiliary body (45) is tension spring；
It is provided with insulating gas (47) in insulated enclosure sleeve (41) cavity, the upper conduct piece (42), releasing mechanism
(43), lower conduct piece (44) is sequentially connected electrically.
2. the release unit according to claim 1 for arrester, it is characterised in that: the insulating gas (47) is
SF6, nitrogen or the dry air of compression.
3. the release unit according to claim 2 for arrester, it is characterised in that: the releasing mechanism (43) and under
Conduct piece (44) is connected by electrical connecting wire (46).
4. the release unit according to claim 1 or 2 or 3 for arrester, it is characterised in that: the releasing mechanism
It (43) is hot melten type structure or heat explosion type structure.
5. a kind of arrester, including arrester housing (1), upper end electrical connector (2), metal oxide resistance (3) and lower end
Electrical connector (5), it is characterised in that: further include release unit (4), the release unit (4) is arranged in arrester housing (1)
It is internal or external, and be electrically connected with the conduct piece of arrester；
The release unit (4) includes insulated enclosure sleeve (41), upper conduct piece (42), releasing mechanism (43), lower conduct piece
(44) and auxiliary body (45) are detached from；The upper conduct piece (42), lower conduct piece (44) are arranged in insulated enclosure sleeve (41)
Both ends, releasing mechanism (43) setting is internal in insulated enclosure sleeve (41), and disengaging auxiliary body (45) setting is de-
It disembarks between structure (43) and lower conduct piece (44), the disengaging auxiliary body (45) is tension spring；The insulated enclosure sleeve (41)
It is provided in cavity insulating gas (47), the upper conduct piece (42), releasing mechanism (43), lower conduct piece (44) are successively electrically connected
It connects.
6. arrester according to claim 5, it is characterised in that: the insulating gas (47) is SF6, nitrogen or compression
Dry air.
7. arrester according to claim 6, it is characterised in that: the releasing mechanism (43) and lower conduct piece (44) pass through
Electrical connecting wire (46) connection.
8. arrester according to claim 7, it is characterised in that: the releasing mechanism (43) is hot melten type structure or thermal explosion
Formula structure.
9. according to any arrester of claim 5 to 8, it is characterised in that: the release unit (4) is arranged in arrester
The external top of housing (1), and lower conduct piece (44) is electrically connected with upper end electrical connector (2)；
Alternatively, the release unit (4) is arranged in the external lower section of arrester housing (1), and upper conduct piece (42) and lower end electricity
Connector (5) electrical connection.
10. according to any arrester of claim 5 to 8, it is characterised in that: release unit (4) setting is lightning-arrest
The inner upper end of device housing (1), the upper conduct piece (42) are electrically connected with upper end electrical connector (2), the lower conduct piece (44)
It is electrically connected with metal oxide resistance (3)；
Alternatively, bosom of release unit (4) setting in arrester housing (1), the upper conduct piece (42), lower conduction
Part (44) is electrically connected with adjacent two layers metal oxide resistance (3) respectively；
Alternatively, interior lower end of release unit (4) setting in arrester housing (1), the upper conduct piece (42) and metal
Oxide resistor piece (3) electrical connection, the lower conduct piece (44) are electrically connected with lower end electrical connector (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175105.9U CN209199707U (en) | 2019-01-31 | 2019-01-31 | A kind of release unit and arrester for arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175105.9U CN209199707U (en) | 2019-01-31 | 2019-01-31 | A kind of release unit and arrester for arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209199707U true CN209199707U (en) | 2019-08-02 |
Family
ID=67431706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920175105.9U Active CN209199707U (en) | 2019-01-31 | 2019-01-31 | A kind of release unit and arrester for arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209199707U (en) |
-
2019
- 2019-01-31 CN CN201920175105.9U patent/CN209199707U/en active Active
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