CN209046229U - High-voltage cable line cross interconnection box with power frequency and high-frequency mutual inductor - Google Patents
High-voltage cable line cross interconnection box with power frequency and high-frequency mutual inductor Download PDFInfo
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- CN209046229U CN209046229U CN201821728397.6U CN201821728397U CN209046229U CN 209046229 U CN209046229 U CN 209046229U CN 201821728397 U CN201821728397 U CN 201821728397U CN 209046229 U CN209046229 U CN 209046229U
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Abstract
The embodiment of the utility model discloses take power frequency and high frequency transformer high tension cable line cross interconnection case, including box, case lid subassembly and set up at the inside incasement subassembly of box, wherein: a flange surface extends from the periphery of the box body, mounting holes are arranged on the flange surface at intervals, and a coaxial cable inlet wire sealing assembly, a grounding electrode and a signal wire outlet wire sealing assembly are respectively arranged on different side walls of the box body; the box cover component is matched with the box body, an observation window is arranged on the box cover component, and box cover hanging pieces are arranged on at least two sides of the box cover component; the in-box subassembly includes a plurality of support mounts at least, and set up in multiunit power frequency current transformer, high frequency current transformer and protector on a plurality of support mounts, wherein, each power frequency current transformer one end is realized being connected with a coaxial cable line, and its other end realizes being connected with a high frequency current transformer and a protector electricity in proper order, and the protector is connected with the earthing pole through protector ground connection board. Implement the embodiment of the utility model provides a, have rationally distributed, insulating good, be convenient for observe, convenient dismantlement and can advantages such as vertical installation.
Description
Technical field
The utility model relates to Voltage Cable Lines Construction field, in particular to a kind of band power frequency and high-frequency mutual inductor high-tension cable
Crossing elimination interconnects case.
Background technique
With the high speed development in city, to elements such as land used anxiety, public safety, landscape and the power grid securities in urban district
It is required that main large- and-medium size cities are largely using Voltage Cable Lines Construction substitution overhead transmission line to City Substation power transmission.High-voltage electricity
Cable routes cable and attachment main equipment and metallic shield grounding protection affiliated facility composition, long cable circuit to protective metal shell into
Row sectionalised protection grounding, most typical is cross-connect protective grounding mode, and this mode of connection need to pass through cross-connect
Grounding box is realized.
Voltage Cable Lines Construction is to solve long distance powedr transmission to generate excessively high induced voltage on cable metal sheath, is generally adopted
The segment length of limitation every section of cable of cable run is taken, meanwhile, take cross-connect to protect the cable metal sheath that three sections of three-phases are connected
Shield earthing mode is attached, and effectively inhibits the problem of long cable circuit crosses high induction voltage, this electric connecting mode
It is realized by cross-connect grounding box.With the development of smart grid demand, real time health status monitoring is proposed to route and is wanted
Ask, and this detection requirement need will test cable core state of insulation HF current transformer and detection cable oversheath it is exhausted
The power current mutual inductor of edge state is installed in cross-connect grounding box, but not yet occurs similar production in the prior art
Product.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of band power frequency and high-frequency mutual inductor high-voltage cables
Built-in power current mutual inductor and HF current transformer may be implemented in cross-connect case in road, rationally distributed, good insulating, just
It is easy to disassemble and can vertically install in observation.
In order to solve the above-mentioned technical problem, the utility model provides a kind of band power frequency and high-frequency mutual inductor Voltage Cable Lines Construction
Cross-connect case, including cabinet, case lid component and the case inner assembly that the box house is arranged in, in which:
The cabinet extends around flange face, interval setting mounting hole, the difference of the cabinet on the flange face
Side wall on be respectively arranged with coaxial wire incoming seal component, earthing pole, signal wire outlet seal assembly；
The case lid component is matched with the cabinet, is provided with observation window, in the case lid component at least two sides
It is provided with case lid pendant；
The case inner assembly includes at least multiple supporting and mounting brackets, and is set to more in the multiple supporting and mounting bracket
Group power current mutual inductor, HF current transformer and protector, wherein each power current mutual inductor one end and a coaxial electrical
Cable realizes connection, and the other end is successively electrically connected with a HF current transformer and protector realization, and the protector is logical
Overprotection device earth lug is connected with the earthing pole.
Wherein, the case inner assembly specifically includes:
Be set to the first fixed insulation board of the cabinet inner bottom surface, the second fixed insulation board, mutual inductor support plate and
Multiple supporting insulators；Described first fixed insulation board is in contact by the first fixed frame with the tank floor, and described second
Fixed insulation board is in contact by the second fixed frame with the tank floor；Mutual inductor support plate by third fixed frame with it is described
Tank floor is in contact；
The inside of the described first fixed insulation board is arranged in the mutual inductance support plate, has multiple card slots thereon；
There are three outer core fixing clamps for setting on the described first fixed insulation board；It is arranged on the described second fixed insulation board
There are three inner core fixing clamps；A protector ground board is provided in multiple supporting insulators, on the protector earth plate
There are three protectors for setting；
Power current mutual inductor and high-frequency electrical are sequentially set between each outer core fixing clamp and adjacent inner core fixing clamp
Current transformer；It is connected at top by protector connecting plate between each inner core fixing clamp protector adjacent thereto；At three
A signal wire hold-down bars is provided on protector connecting plate；
Three cross-connect plates, wherein first cross-connect plate is connected to the first outer core fixing clamp and the second inner core is solid
Between clamp, second cross-connect plate is connected between the second outer core fixing clamp and third inner core fixing clamp, and third, which is intersected, to be connected
Fishplate bar is connected between the outer core fixing clamp of third and the first inner core fixing clamp；
Protector ground board is connected with earthing pole.
Wherein, each cross-connect plate is multisection type bending structure, is arranged with pyrocondensation insulation sleeve at least one section, described
One section for being arranged with pyrocondensation insulation sleeve is in contact with the card slot of the mutual inductance support plate.
Wherein, the case lid component successively includes: that case lid, bulletproof glass lower flange, bulletproof glass " O " type are close from bottom to up
Seal, bulletproof glass, the flat sealing ring of bulletproof glass, bulletproof glass upper flange, bulletproof glass upper flange fastening bolt；
Wherein, thread is empty among the case lid；The bulletproof glass lower flange, bulletproof glass " O " type sealing ring, shellproof glass
The flat sealing ring of glass, bulletproof glass, bulletproof glass upper flange match, and are fixed by the bulletproof glass upper flange fastening bolt
On the case lid；
Described case lid one end is provided with a case lid flexible handle；
The case lid surrounding is provided with mounting hole, and the flange face extended around with the cabinet matches, and passes through spiral shell
Bolt external member is cooperated, and case lid component pad side is provided between the case lid and the box flange face and box flange face is double
" O " type sealing ring is to realize sealing between the two.
Wherein, it is above to be arranged at intervals with outwardly open first U-shaped that the cabinet, which extends around the mounting hole of flange face,
Slot is provided with limiting slot on the downside of every one first U-lag；
The mounting hole of the case lid component surrounding setting is to be arranged at intervals with outwardly open second U-lag；
Corresponding second U-lag alignment on the first U-lag and the case lid component on the flange face of the cabinet；
The bolt kit includes integrally formed hexagon operating side and screw rod, and the spiral shell with screw rod cooperation
It is female；Wherein, the operating side of the bolt kit is installed in the limiting slot, and screw rod is embedded in first U-lag and the second U-shaped
In slot, screw rod upper end is fixed by nut tightening.
Wherein, the coaxial cable incoming seal component includes: coaxial cable inlet wire inner tube, " O " type sealing ring, " O "
Type sealing ring pressure ring presses spring and compresses outer tube；
Wherein, it compresses on outer tube and is provided with sliding slot, card column, the pressure are provided on the coaxial cable inlet wire outer wall of inner tube
Tight outer tube is set in the coaxial cable inlet wire inner tube, realizes the two by the cooperation between the card column and the sliding slot
Buckle or release；" O " type sealing ring is provided between the compression outer tube and the coaxial cable inlet wire inner tube, " O " type is close
Seal pressure ring and press spring.
Wherein, the signal wire outlet seal assembly includes:
Seal case flange, thread is empty among it, and thread sky portion is provided with sliding slot；
Sealing plate " O " type sealing ring, sky are located in the sliding slot；
Outlet sealing plate is provided with four through-holes；
One HF current transformer external terminal and three power current mutual inductor external terminals, are sealed at respectively
In the through-hole；
Sealing plate fastening screw component, for the outlet sealing plate, seal case flange to be fixed on the cabinet
On outer wall.
Implement the utility model embodiment, has the following beneficial effects:
A kind of band power frequency provided by the utility model and high-frequency mutual inductor Voltage Cable Lines Construction cross-connect case, structure are tight
It gathers, solves Voltage Cable Lines Construction Intelligent state monitoring power frequency and HF current transformer is pacified inside cross-connect grounding box
Dress problem；
Meanwhile the cross-connect case of the utility model can be mounted vertically on wall by cabinet fixed feet, installation side
Just, and the pendant on case lid component can reliably be hung on box flange with guard box cap assemblies, make convenient for the dismounting of case lid component
Industry；
Moreover, the cross-connect case many places of the utility model use seal approach, sealing effect is good；
In addition, the cross-connect case of the utility model passes through due to being provided with U-type groove on cabinet and case lid component
With the cooperation of bolt kit, the fast assembling-disassembling of grounding box cap assemblies may be implemented；
Moreover, case lid component has observation window, and in operation and maintenance, without opening case lid component, through observation window,
Can very convenient and fast case inner part operating status and connection state；Meanwhile can and infrared ray camera pair can be applied
The intracorporal equipment of case and junction carry out infrared detection, easily will be seen that by infrared imaging equipment fever and
Whether junction contact is good, simplifies operation and maintenance greatly so as to greatly improve service work shape rate, saves
The cost of overhaul reduces service personnel, brings considerable economic benefit.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of knot with power frequency and high-frequency mutual inductor Voltage Cable Lines Construction cross-connect case provided by the utility model
Structure schematic diagram；
Fig. 2 is the structural schematic diagram at another visual angle of Fig. 1；
Fig. 3 is the structural schematic diagram of cabinet in Fig. 1；
Fig. 4 is the partial schematic diagram in Fig. 3；
Fig. 5 is the fractionation structural representation of Fig. 1 raising middle flask cap assemblies；
Fig. 6 is the partial structural diagram of case lid in Fig. 5；
Fig. 7 is the structural schematic diagram of Fig. 1 raising middle flask inner assembly；
Fig. 8 is the structural schematic diagram of the China and foreign countries Fig. 7 core fixing clamp and inner core fixing clamp；
Fig. 9 is cross-connect plate and the first fixed insulation board in Fig. 8, the second fixed insulation board, between protector earth plate
Location diagram；
Figure 10 is the location diagram in Fig. 8 between three cross-connect plates；
Figure 11 is the structural schematic diagram of Fig. 1 standard coaxial cable incoming seal component；
Figure 12 is the structural schematic diagram of signal wire outlet seal assembly in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It describing clear and completely, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under all other embodiment obtained, fall within the protection scope of the utility model.
Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings
It illustrate only the structure and/or processing step closely related with scheme according to the present utility model, and be omitted practical with this
The little other details of new relationship.
As shown in Figure 1, showing a kind of band power frequency and high-frequency mutual inductor Voltage Cable Lines Construction of the utility model embodiment
The structural schematic diagram of cross-connect case；It combines shown in Fig. 2 to Figure 10 together, in this embodiment, the band power frequency and high frequency are mutual
Sensor Voltage Cable Lines Construction cross-connect case, including group in cabinet 1, case lid component 2 and the case that is arranged in inside the cabinet 1
Part 3, in which:
The cabinet 1 extends around flange face 10, interval setting mounting hole 13, the cabinet on the flange face 10
Coaxial wire incoming seal component 4, earthing pole 14, signal wire outlet seal assembly are respectively arranged on 1 different side walls
5；
The case lid component 2 is matched with the cabinet 1, is provided with observation window, in the case lid component 1 at least two
Side is provided with case lid pendant 29；
The case inner assembly 3 includes at least multiple supporting and mounting brackets, and is set in the multiple supporting and mounting bracket
Multiple groups power current mutual inductor 316, HF current transformer 317 and protector 39, wherein each power current mutual inductor 316
One end and a coaxial wire, which are realized, to be connected, and the other end is successively realized with a HF current transformer 317 and a protector 39
Electrical connection, the protector 39 are connected by protector earth lug 38 with the earthing pole.
Following subsequent each figures of combination illustrate the more detailed structure of the utility model.
As shown in Figure 3 and Figure 4, the cabinet 1 extend around flange face 10 mounting hole 13 be above be arranged at intervals with to
First U-lag of outward opening is provided with limiting slot 130 on the downside of every one first U-lag；
The mounting hole 270 of 27 surrounding of the case lid component setting is to be arranged at intervals with outwardly open second U-lag；
Corresponding second U-lag alignment on the first U-lag and the case lid component 2 on the flange face 10 of the cabinet 1；
The bolt kit 6 includes integrally formed hexagon operating side and screw rod, and the spiral shell with screw rod cooperation
It is female；Wherein, the operating side of the bolt kit 6 is installed in the limiting slot 130, and screw rod is embedded in first U-lag and the
In two U-lags, screw rod upper end is fixed by nut tightening.
As shown in figs. 5 and 6, wherein the case lid component 1 successively includes: case lid 27, bulletproof glass laxative remedy from bottom to up
Orchid 26, bulletproof glass 24, the flat sealing ring 23 of bulletproof glass, bulletproof glass upper flange 22, prevents bulletproof glass " O " type sealing ring 25
Play glass upper flange fastening bolt 21；
Wherein, thread is empty among the case lid 27；The bulletproof glass lower flange 26, is prevented bulletproof glass " O " type sealing ring 25
It plays glass 24, the flat sealing ring 23 of bulletproof glass, bulletproof glass upper flange 22 to match, and tight by the bulletproof glass upper flange
Fixing bolt 21 is fixed on the case lid 27；
Described 27 one end of case lid is provided with a case lid flexible handle 28, and at least two sides of case lid 27 are provided with case lid
Pendant 29；
27 surrounding of case lid is provided with mounting hole 270, and the flange face extended around with the cabinet matches, and leads to
It crosses bolt kit 6 to be cooperated, case lid component pad side or box flange is provided between the case lid and the box flange face
Bis- " O " the type sealing rings 210 in face are to realize sealing between the two.
In case lid component 2, using the visual design, using bulletproof glass as observation window, it may be implemented to internal portion
The visual inspection of part state, finds visible defects in time.It can satisfy simultaneously infrared to internal part progress using infrared camera
Detection finds visual defect early.Using upper and lower flange face, " O " type sealing ring, flat type sealing ring, observation window can be made anti-
The sealing performance for playing glass reaches IP68.Meanwhile being designed using case lid pendant, so that case lid component can when cabinet right angle setting
To be reliably hung on box flange, convenient for the dismounting operation of case lid component.
As shown in Figure 7 to 10, specifically, the case inner assembly 3 specifically includes:
It is set to the first fixed insulation board 31, second fixed insulation board 33, mutual inductor support plate of 1 inner bottom surface of cabinet
311 and multiple supporting insulators 37；Described first fixed insulation board 31 passes through the first fixed frame 32 and the 1 bottom surface phase of cabinet
Contact, the described second fixed insulation board 33 are in contact by the second fixed frame 34 with 1 bottom surface of cabinet；Mutual inductor support plate
311 are in contact by third fixed frame 312 with 1 bottom surface of cabinet；
The inside of the described first fixed insulation board 31 is arranged in the mutual inductance support plate 311, has multiple card slots thereon；
There are three outer core fixing clamps 35 for 31 settings on the described first fixed insulation board；In the described second fixed insulation board 33
There are three inner core fixing clamps 36 for upper setting；A protector ground board 38, the guarantor are provided in multiple supporting insulators 37
Protecting setting on device earth plate 38, there are three protectors 39；Outer core fixing clamp 35 and inner core fixing clamp 36 be respectively used to fixed outer core with
Inner core.
316 He of power current mutual inductor is sequentially set between each outer core fixing clamp 35 and adjacent inner core fixing clamp 36
HF current transformer 317；Pass through protector connecting plate at top between each inner core fixing clamp 36 protector 39 adjacent thereto
38 are connected；A signal wire hold-down bars 313 is provided on three protector connecting plates 38,313 both ends of signal wire hold-down bars are set
It is equipped with hold-down bars support frame 314；
Three cross-connect plates 315, wherein first cross-connect plate is connected to the first outer core fixing clamp and the second inner core
Between fixing clamp, second cross-connect plate is connected between the second outer core fixing clamp and third inner core fixing clamp, and third is intersected
Connecting plate is connected between the outer core fixing clamp of third and the first inner core fixing clamp；
Protector ground board 38 is connected with earthing pole 12.
Wherein, each cross-connect plate 315 is multisection type bending structure, is arranged with pyrocondensation insulation sleeve at least one section
3151, wherein pyrocondensation insulation sleeve 3151 is for the cross-connect plate 315 to insulate with other component.In example, wherein
One section that is arranged with pyrocondensation insulation sleeve 3151 and the mutual inductance branch are stated in first cross-connect plate and second cross-connect plate
The card slot of fagging is in contact.
It is understood that cross-connect connecting plate uses side arrangement form in the case in component, can effectively drop
The thickness of low cabinet saves material cost, meanwhile, it can be to prevent with cross-connect connecting plate Opposite direction connection；
Cross-connect plate installs pyrocondensation insulation sleeve additional, can effectively solve the installation question of hotline maintenance personnel；
Mutual inductor support plate is set, can solve the fixation problem of grounding box right angle setting power frequency and high-frequency mutual inductor；
Setting signal line hold-down bars can solve power frequency and high-frequency mutual inductor outlet orientation problem.
As shown in figure 11, the coaxial cable incoming seal component 4 includes: coaxial cable inlet wire inner tube 41, and " O " type is close
Seal 42, " O " type sealing ring pressure ring 43 press spring 44 and compress outer tube 45；
Wherein, about 45 two sides of outer tube are compressed and is provided with sliding slot, the coaxial cable inlet wire outer wall of inner tube upper and lower sides are equal
It is provided with card column, the compression outer tube 45 is set in the coaxial cable inlet wire inner tube 41, passes through the card column and the cunning
The buckle or release of the two are realized in cooperation between slot；It is set between the compression outer tube 45 and the coaxial cable inlet wire inner tube 41
It is equipped with " O " type sealing ring 42, " O " type sealing ring pressure ring 43 and presses spring 44.
In one example, using " O " type sealing ring, washer, spring and press inner and outer pipes design so that " O " type is close
Seal obtains continuous, meets IP68 waterproof performance requirement.
As shown in figure 12, the signal wire outlet seal assembly 5 includes:
Seal case flange 55, thread is empty among it, and thread sky portion is provided with sliding slot；
Sealing plate " O " type sealing ring 54, sky is located in the sliding slot；
Outlet sealing plate 53 is provided with four through-holes；
One HF current transformer external terminal 521 and three power current mutual inductor external terminals 52, seal respectively
It is set in the through-hole of the outlet sealing plate 53；
Sealing plate fastening screw component 51, it is described for the outlet sealing plate 53, seal case flange 52 to be fixed on
On the outer wall of cabinet 1.
In one example, using signal wire outlet board, " O " type sealing ring, flange face, the close of signal wire outlet board is realized
Sealing property reaches IP68.Meanwhile power current mutual inductor external terminal and HF current transformer external terminal are connected using IP68
Connect device, it is ensured that signal wire and external connection do not destroy cabinet entirety IP68 waterproofing grade.
The installation process of the utility model is as follows:
Cabinet is installed on wall appropriate location, is fixed on wall by four cabinet fixed feets；Earth cable and cabinet
One of connection in fixed feet is connected to earth mat earth polar connecting plate, realizes cabinet ground connection；
Cabinet earthing pole is connected to be grounded by connecting cable with earth mat earth polar connecting plate to be connect；
Coaxial cable is by core fixing clamp spacing and nip width inside and outside coaxial cable in cabinet, exploitation cable core insulation and outer
After core insulation layer, and cable is passed through into coaxial cable incoming seal component and power frequency and high-frequency electrical mutual inductor to inside and outside core fixing clamp
It is fixed, and coaxial cable incoming seal component is installed in place；
Coaxial cable incoming seal component connection line and power current mutual inductor external terminal are attached, and by wiring
It is fixed on signal wire hold-down bars；
It covers case lid component and is installed in place fastening bolt.
Completing above-mentioned steps is to complete the installation application of grounding box.
The utility model can be applied to 110kV and above Voltage Cable Lines Construction, can implement function with branch
It energy part can be withouyt power frequency and HF current transformer, body side signal in the non-installation condition monitoring system of route
Line outlet sealing plate is packaged using flatbed manner.When route installation condition monitors system, then by power frequency and high-frequency current
Mutual inductor is installed in case, and synchronous signal line outlet sealing plate uses perforated panel, and installs outside corresponding power current mutual inductor
Terminals carry out interior external connection；It can also be installed in place together.
Implement the utility model, has the following beneficial effects:
A kind of band power frequency provided by the utility model and high-frequency mutual inductor Voltage Cable Lines Construction cross-connect case, structure are tight
It gathers, solves Voltage Cable Lines Construction Intelligent state monitoring power frequency and HF current transformer is pacified inside cross-connect grounding box
Dress problem；
Meanwhile the cross-connect case of the utility model can be mounted vertically on wall by cabinet fixed feet, installation side
Just, and the pendant on case lid component can reliably be hung on box flange with guard box cap assemblies, make convenient for the dismounting of case lid component
Industry；
Moreover, the cross-connect case many places of the utility model use seal approach, sealing effect is good；
In addition, the cross-connect case of the utility model passes through due to being provided with U-type groove on cabinet and case lid component
With the cooperation of bolt kit, the fast assembling-disassembling of grounding box cap assemblies may be implemented；
Moreover, case lid component has observation window, and in operation and maintenance, without opening case lid component, through observation window,
Can very convenient and fast case inner part operating status and connection state；Meanwhile can and infrared ray camera pair can be applied
The intracorporal equipment of case and junction carry out infrared detection, easily will be seen that by infrared imaging equipment fever and
Whether junction contact is good, simplifies operation and maintenance greatly so as to greatly improve service work shape rate, saves
The cost of overhaul reduces service personnel, brings considerable economic benefit.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (7)
1. a kind of band power frequency and high-frequency mutual inductor Voltage Cable Lines Construction cross-connect case, including cabinet, case lid component and setting
In the case inner assembly of the box house, it is characterised in that:
The cabinet extends around flange face, interval setting mounting hole, the different sides of the cabinet on the flange face
Coaxial wire incoming seal component, earthing pole, signal wire outlet seal assembly are respectively arranged on wall；
The case lid component is matched with the cabinet, is provided with observation window, is arranged in the case lid component at least two sides
There is case lid pendant；
The case inner assembly includes at least multiple supporting and mounting brackets, and the multiple groups work being set in the multiple supporting and mounting bracket
Frequency current transformer, HF current transformer and protector, wherein each power current mutual inductor one end and a coaxial wire
Realize connection, the other end is successively electrically connected with a HF current transformer and protector realization, and the protector passes through guarantor
Shield device earth lug is connected with the earthing pole.
2. cross-connect case as described in claim 1, which is characterized in that the case inner assembly specifically includes:
It is set to the first fixed insulation board of the cabinet inner bottom surface, the second fixed insulation board, mutual inductor support plate and multiple
Supporting insulator；Described first fixed insulation board is in contact by the first fixed frame with the tank floor, and described second is fixed
Insulation board is in contact by the second fixed frame with the tank floor；Mutual inductor support plate passes through third fixed frame and the cabinet
Bottom surface is in contact；
The inside of the described first fixed insulation board is arranged in the mutual inductance support plate, has multiple card slots thereon；
There are three outer core fixing clamps for setting on the described first fixed insulation board；Three are provided on the described second fixed insulation board
A inner core fixing clamp；It is provided with a protector ground board in multiple supporting insulators, is arranged on the protector earth plate
There are three protectors；
Power current mutual inductor is sequentially set between each outer core fixing clamp and adjacent inner core fixing clamp and high-frequency current is mutual
Sensor；It is connected at top by protector connecting plate between each inner core fixing clamp protector adjacent thereto；It is protected at three
A signal wire hold-down bars is provided on device connecting plate；
Three cross-connect plates, wherein first cross-connect plate is connected to the first outer core fixing clamp and the second inner core fixing clamp
Between, second cross-connect plate is connected between the second outer core fixing clamp and third inner core fixing clamp, third interconnection plate
It is connected between the outer core fixing clamp of third and the first inner core fixing clamp；
Protector ground board is connected with earthing pole.
3. cross-connect case as claimed in claim 2, which is characterized in that each cross-connect plate is multisection type bending structure,
Pyrocondensation insulation sleeve, the card slot of one section for being arranged with pyrocondensation insulation sleeve and the mutual inductance support plate are arranged on its at least one section
It is in contact.
4. cross-connect case as claimed in claim 3, which is characterized in that the case lid component successively includes: case from bottom to up
Lid, bulletproof glass lower flange, bulletproof glass " O " type sealing ring, bulletproof glass, the flat sealing ring of bulletproof glass, method on bulletproof glass
Blue and bulletproof glass upper flange fastening bolt；
Wherein, thread is empty among the case lid；The bulletproof glass lower flange, bulletproof glass, is prevented bulletproof glass " O " type sealing ring
Play the flat sealing ring of glass, bulletproof glass upper flange matches, and is fixed on institute by the bulletproof glass upper flange fastening bolt
It states on case lid；
Described case lid one end is provided with a case lid flexible handle；
The case lid surrounding is provided with mounting hole, and the flange face extended around with the cabinet matches, and passes through bolt sleeve
Part is cooperated, and case lid component pad side is provided between the case lid and the box flange face and box flange face is bis- " O "
Type sealing ring is to realize sealing between the two.
5. cross-connect case as claimed in claim 4, which is characterized in that the cabinet extends around the mounting hole of flange face
To be above arranged at intervals with outwardly open first U-lag, limiting slot is provided on the downside of every one first U-lag；
The mounting hole of the case lid component surrounding setting is to be arranged at intervals with outwardly open second U-lag；
Corresponding second U-lag alignment on the first U-lag and the case lid component on the flange face of the cabinet；
The bolt kit includes integrally formed hexagon operating side and screw rod, and the nut with screw rod cooperation；Its
In, the operating side of the bolt kit is installed in the limiting slot, and screw rod is embedded in first U-lag and the second U-lag,
Screw rod upper end is fixed by nut tightening.
6. cross-connect case as claimed in claim 5, which is characterized in that the coaxial cable incoming seal component includes: same
Shaft cable inlet wire inner tube, " O " type sealing ring pressure ring, presses spring and compresses outer tube at " O " type sealing ring；
Wherein, it compresses on outer tube and is provided with sliding slot, be provided with card column on the coaxial cable inlet wire outer wall of inner tube, outside the compression
Pipe sleeve is located in the coaxial cable inlet wire inner tube, and the buckle of the two is realized by the cooperation between the card column and the sliding slot
Or release；" O " type sealing ring, " O " type sealing ring are provided between the compression outer tube and the coaxial cable inlet wire inner tube
Pressure ring and press spring.
7. cross-connect case as claimed in claim 6, which is characterized in that the signal wire outlet seal assembly includes:
Seal case flange, thread is empty among it, and thread sky portion is provided with sliding slot；
Sealing plate " O " type sealing ring, sky are located in the sliding slot；
Outlet sealing plate is provided with four through-holes；
One HF current transformer external terminal and three power current mutual inductor external terminals are sealed at described respectively
In through-hole；
Sealing plate fastening screw component, for the outlet sealing plate, seal case flange to be fixed on to the outer wall of the cabinet
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728397.6U CN209046229U (en) | 2018-10-24 | 2018-10-24 | High-voltage cable line cross interconnection box with power frequency and high-frequency mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728397.6U CN209046229U (en) | 2018-10-24 | 2018-10-24 | High-voltage cable line cross interconnection box with power frequency and high-frequency mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209046229U true CN209046229U (en) | 2019-06-28 |
Family
ID=67039024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821728397.6U Active CN209046229U (en) | 2018-10-24 | 2018-10-24 | High-voltage cable line cross interconnection box with power frequency and high-frequency mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209046229U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193548A (en) * | 2018-10-24 | 2019-01-11 | 深圳供电局有限公司 | High-voltage cable line cross interconnection box with power frequency and high-frequency mutual inductor |
| CN110474286A (en) * | 2019-09-17 | 2019-11-19 | 深圳供电局有限公司 | Variable connecting box for coaxial cable inlet wire |
| CN116826429A (en) * | 2023-08-30 | 2023-09-29 | 东北林业大学 | Multi-head power line connector |
-
2018
- 2018-10-24 CN CN201821728397.6U patent/CN209046229U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193548A (en) * | 2018-10-24 | 2019-01-11 | 深圳供电局有限公司 | High-voltage cable line cross interconnection box with power frequency and high-frequency mutual inductor |
| CN109193548B (en) * | 2018-10-24 | 2024-02-23 | 深圳供电局有限公司 | High-voltage cable circuit cross interconnection box with power frequency and high-frequency transformer |
| CN110474286A (en) * | 2019-09-17 | 2019-11-19 | 深圳供电局有限公司 | Variable connecting box for coaxial cable inlet wire |
| CN116826429A (en) * | 2023-08-30 | 2023-09-29 | 东北林业大学 | Multi-head power line connector |
| CN116826429B (en) * | 2023-08-30 | 2023-10-31 | 东北林业大学 | Multi-head power line connector |
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