CN207232241U - A kind of cable branch box electroscopic device - Google Patents
A kind of cable branch box electroscopic device Download PDFInfo
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- CN207232241U CN207232241U CN201721301817.8U CN201721301817U CN207232241U CN 207232241 U CN207232241 U CN 207232241U CN 201721301817 U CN201721301817 U CN 201721301817U CN 207232241 U CN207232241 U CN 207232241U
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- telescopic rod
- branch box
- cable branch
- swivel head
- connecting rod
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Abstract
The utility model discloses a kind of cable branch box electroscopic device, including insulated handle, telescopic rod is installed on the termination of the insulated handle, and telescopic rod can stretch along the axis of its own, the one end of telescopic rod away from insulated handle is provided with connecting rod, swivel head is provided between connecting rod and telescopic rod, swivel head is connected with connecting rod and telescopic rod at the same time, and swivel head can be rotated around with the junction of telescopic rod, and electroscopic device is provided with the one end of connecting rod away from telescopic rod.The structure of the device is simple, it is easy to use, it is small, it is easy to carry, by rotation can be contactless in narrow and small cable branch box when distribution line has a power failure electrical verification, with cable branch box charged display device together as the whether powered judging basis of non-homogeneous circuit, so as to increase the accuracy of judge, prevent from judging by accident and cause personnel to receive electric shock when overhauling and injured.
Description
Technical field
It the utility model is related to a kind of electric power electroscopy equipment, and in particular to a kind of power distribution network cable branch box electroscopic device.
Background technology
The power transformation of the various voltages entirety that electric line forms in one's power in electric system, is known as power network, abbreviation power grid.
It includes three power transformation, transmission of electricity, distribution units.The task of power network is conveying and distribution electric energy, changes voltage.Transmission ＆ distribution piezoelectric voltage
In grade, 6,10,20,35,66 kilovolts are middle pressure, and 110,220 kilovolts are high pressure, and 330,500,750 kilovolts are super-pressure, direct current
800th, it is extra-high voltage to exchange 1000 kilovolts and the above.
China Power installed capacity, 1949 are 1,850,000 kilowatts；1978 before reform and opening-up are 57,120,000 kilowatts；
Break through 100,000,000 kilowatts within 1987；Nineteen ninety-five realizes 200,000,000 kilowatts；Reach 300,000,000 kilowatts within 2000；2002 are 3.5 hundred million kilowatts；2003
Year is 3.9 hundred million kilowatts；2004 are 4.4 hundred million kilowatts；2005 are 5.17 hundred million kilowatts；2006 are 6.22 hundred million kilowatts；2007
For 7.13 hundred million kilowatts, 2002 to 5 years 2007 newly-increased capacities of installed generator summation of 53 years equivalent to the past.
In recent years, constantly accelerate with China Power developing steps, China Power Grids are also developed rapidly, network system
Working voltage grade is continuously improved, and network size also constantly expands, and the whole nation has formd Northeast China Power Grid, North China Power Telecommunication Network, Central China
Power grid, East China Power Grid, the large area power grid of Northwest Grid and south electric network 6 transprovincially, and basically formed complete length away from
From power transmission electric network rack.China Power Grids construction in 2006 keeps higher scale, and investment 2,105.75 hundred million is completed in nationwide integrated power grid construction
Yuan, increase by nearly 38% on a year-on-year basis.Go into operation with a collection of the West-to-East Electricity Transmission Project within 2006, China's three big passages of transferring electricity from the west to the east tire out
Meter has formed 3,4000000 kilowatts of conveying capacity.2007,2451.40 hundred million yuan of nationwide integrated power grid construction investment, increase on year-on-year basis
16.41%.Increase 220 kilovolts and 4.15 ten thousand kilometers of above transmission line of electricity loop length newly.By the end of the year 2007,220 kilovolts of the whole nation
And above transmission line of electricity loop length reaches 32.71 ten thousand kilometers, increases by 14.20% on a year-on-year basis.To the end of the year 2008, electric power installed capacity
Reach 7.9253 hundred million kilowatts, generated energy reaches 3,433,400,000,000 kilowatt hours, and power transformation capacity reaches 2,200,000,000 kilovolt-amperes, be 2002 4.2
Times, increase by 17.26% every year.
To the end of the year 2010,220 kilovolts of the whole nation and above transmission line of electricity total length reach 430,000 kilometers, power transformation capacity 19.6 hundred million
Kilovolt-ampere, be respectively " 15 " end 1.7 times and 2.4 times, power grid scale leaps to the first in the world.The first three quarters in 2011, the whole nation
Electricity power engineering completes 220,100,000,000 yuan of investment, and power grid construction increases 220 kilovolts and 128,170,000 kilovolt-amperes of above power transformation capacity, circuit newly
22507 km of length.In Jan-Sept, 2011, the transregional power transmission amount in the whole nation complete 128,600,000,000 kilowatt hours, increase by 22.6% on a year-on-year basis；The whole nation
479,100,000,000 kilowatt hour of electricity is transprovincially exported, increases by 8.3% on a year-on-year basis.Chinese intelligent grid pace of construction is accelerated, extra-high voltage grid work
Journey make good progress.1000 kilovolts of southeast Shanxi-Nanyang-Jingmen UHVAC demonstration projects pass through national acceptance, mark
It is no longer " experiment " and " demonstration " stage that will, which extra-high voltage,.In October, 2011, Wan electricity Dong send Huainan to Shanghai extra-high-voltage alternating current
Transmission of electricity demonstration project obtains National Development and Reform Commission's approval, becomes the national Article 2 after southeast Shanxi-Jingmen power transmission engineering and is approved to build
If ultra-high voltage AC transmission project.The strong intelligent grid of China enters the all-round construction stage within 2011, in demonstration project, electronic
Automobile charging and conversion electric facility, new energy receiving, Intelligent resident electricity utilization etc. are carried forward vigorously.
Continuous with distribution network construction promotes, and substantial amounts of cable branch box has been used in distribution line, in line outage
When can only be used as the whether powered judging basis of circuit by cable branch box charged display device, this judge mode is more single
One, and also inconvenient large-scale electroscopic device uses in narrow and small cable branch box so that operating personnel easily occur judging by accident and
Cause injury.
Utility model content
Technical problem to be solved in the utility model is can only be by the powered display of cable branch box in line outage
The device judging basis whether powered as circuit and judge that mode is single, it is and also inconvenient large-scale in narrow and small cable branch box
Electroscopic device use so that operating personnel easily judge by accident, its purpose is to provide a kind of cable branch box electroscopic device,
The device can be contactless in narrow and small cable branch box when distribution line has a power failure electrical verification, it is powered with cable branch box
Display device is together as the whether powered judging basis of non-homogeneous circuit, so as to increase the accuracy of judge, prevent erroneous judgement and
Cause injury to personnel.
The utility model is achieved through the following technical solutions：
A kind of cable branch box electroscopic device, including insulated handle, are provided with telescopic rod on the termination of the insulated handle,
And telescopic rod can stretch along the axis of its own, the one end of telescopic rod away from insulated handle is provided with connecting rod,
Swivel head is provided between connecting rod and telescopic rod, swivel head is connected with connecting rod and telescopic rod at the same time, and swivel head can
Rotated around with the junction of telescopic rod, electroscopic device is installed in the one end of connecting rod away from telescopic rod.Now with distribution
The continuous propulsion that net is built, has used substantial amounts of cable branch box in distribution line, and due to aging circuit, switch fault or
Some other fortuitous events cause line outage, at this time just need service personnel to be overhauled, but service personnel is at this time
It is not aware that whether circuit is powered, is operated once circuit is powered, it will service personnel and repair apparatus is damaged, one
As be that the whether powered judging basis of circuit are used as by cable branch box charged display device, although most situation is shown
Device can show the powered situation of circuit exactly, but when non-homogeneous circuit but cannot accurately judge out circuit whether band
Electricity, therefore compared using the cable branch box charged display device judging basis whether powered as circuit, this judge mode
It is single so that judging by accident and causing injury easily occur in maintenance personal, and also inconvenient large-scale in narrow and small cable branch box tests
Electric installation uses, and brings very big risk to service personnel, and the cable branch box electroscopic device of this programme design, passes through rotation
Head can be used around realization is rotated with the junction of telescopic rod in narrow and small cable branch box, and operation facility, it uses non-
The electrical verification of contact, with cable branch box charged display device together as the whether powered judging basis of non-homogeneous circuit, from
And increase the accuracy judged, and prevent from judging by accident and causing injury to personnel, and it is small, it is easy to carry, dimension will not be increased too much
Repair the carrying weight of personnel.
In order to increase its working range in cable branch box, swivel head can be rotated around with the junction of telescopic rod
Angle design is 0 ° to 180 °, in the range of this, realizes the electrical verification to all circuits in cable branch box substantially, but also
Locking pin is provided with swivel head, locking pin is inserted into telescopic rod after can passing through swivel head, so wants electrical verification in basis
After place on line determines, swivel head rotation angle is fixed, prevent from rotating when in use cause cannot accurate electrical verification, locking pin is just
It is the specific location for locking swivel head.
Electroscopic device is preferably non-straight using acousto-optic sensing electroscope non-direct contact type electroscopic device, acousto-optic sensing electroscope
It is existing component to connect contact-type electroscopic device, can directly bought on the market, and this programme uses this component, and electrical verification is accurate
Really, high sensitivity, can Validity Test connect-disconnect plug when not removing, whether circuit powered, thus with the powered display of cable branch box
Device improves together as the whether powered judging basis of non-homogeneous circuit and judges accuracy.
The utility model compared with prior art, has the following advantages and advantages：The structure of the device is simple, makes
It is small with convenient, it is easy to carry, by rotation can when distribution line has a power failure in narrow and small cable branch box it is non-contact
The electrical verification of formula, with cable branch box charged display device together as the whether powered judging basis of non-homogeneous circuit, so as to increase
Add the accuracy of judge, prevent judge by accident and cause personnel received when overhauling electric shock and it is injured.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structure diagram.
Mark and corresponding parts title in attached drawing：
1- telescopic rods, 2- insulated handles, 3- connecting rods, 4- swivel heads, 5- electroscopic devices, 6- locking pins.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, a kind of cable branch box electroscopic device, including the insulated handle 2 held for service personnel's hand, absolutely
The length of edge handle 2 is 880mm, and telescopic rod 1 is provided with the termination of insulated handle 2, pulls open the stretch rod 1 of insulation, telescopic rod 1
Length it is adjustable, stretched using three-section type, be effectively formed suitable insulated lengths, in the one end of telescopic rod 1 away from insulated handle 2
Connecting rod 3 is provided with, is provided with swivel head 4 between connecting rod 3 and telescopic rod 1, swivel head 4 is at the same time with connecting rod 3 and stretching
Bar 1 connects, and swivel head 4 can be in the rotation formed with the junction of telescopic rod 1 in the range of 0 ° to 180 °, swivel head 4
Locking pin 6 is provided with, locking pin 6 is inserted into telescopic rod 1 after can passing through swivel head 4, its structure is such as both that swivel head 4 is buckled in
On termination of the telescopic rod 1 away from insulated handle 2, it is insertion or the end through telescopic rod 1 to have a positioning pin in swivel head 4
Head, swivel head 4 is formed by positioning pin and telescopic rod 1 and connected, and positioning pin can be carried out around own axes in telescopic rod 1
Rotate, swivel head 4 and positioning pin rotate synchronously, and 4 both sides of swivel head open up jagged, the width of this notch is more than flexible
1 tip diameter of bar, during so when swivel head 4 is rotated around positioning pin, 1 termination of telescopic rod can snap onto notch, forms
Rotation in the range of 0 ° to 180 °, and the locking pin 6 being arranged on swivel head 4 is inserted into the through hole of positioning pin as needed,
Prevent the rotation of positioning pin, that is, prevent the rotation of swivel head 4, connecting rod 3 be with swivel head 4 as swivel head 4 rotates synchronously,
The length of connecting rod 3 is 200mm, i.e., using acousto-optic sensing electroscope non-direct contact type electroscopic device 5 and swivel head 4 away from
Meet Its Relevant Technology Standards from voltage for 200mm, is started, can Validity Test connect-disconnect plug when not removing, whether circuit powered.
This programme is the telescopic rod for being used to pull open cable whether powered carry out electrical verification when cable branch box has a power failure insulation
1, length is regulated, swivel head 4 is rotated and sets and fix angle, electroscopic device is using acousto-optic sensing electroscope non-direct contact
Type, starts voltage and meets Its Relevant Technology Standards, and non-contact measurement is carried out to not removing connect-disconnect plug in narrow and small cable branch box,
Measurement result and cable branch box charged display device together as it is non-homogeneous whether powered judging basis so as to circuit whether
Powered to judge accurately, the making material choosing of the utility model, as insulating materials, has weight by the epoxy resin of damp-proof treatment
Amount is light, and insulating bar machinery is slightly high, it is easy to carry the characteristics of.Electroscope selects non-contact inductive electroscope, has electrical verification can
Lean on, the characteristics of high sensitivity.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of cable branch box electroscopic device, including insulated handle (2), it is characterised in that the termination of the insulated handle (2)
On telescopic rod (1) is installed, and telescopic rod (1) can stretch along the axis of its own, in telescopic rod (1) away from insulation
One end of handle (2) is provided with connecting rod (3), and swivel head (4), swivel head are provided between connecting rod (3) and telescopic rod (1)
(4) while with connecting rod (3) and telescopic rod (1) it is connected, and swivel head (4) can be rotated around with the junction of telescopic rod (1),
Electroscopic device (5) is installed in the one end of connecting rod (3) away from telescopic rod (1).
2. a kind of cable branch box electroscopic device according to claim 1, it is characterised in that the swivel head (4) can
0 ° to 180 ° is rotated around with the junction of telescopic rod (1).
3. a kind of cable branch box electroscopic device according to claim 2, it is characterised in that set on the swivel head (4)
Locking pin (6) is equipped with, locking pin (6) is inserted into telescopic rod (1) after can passing through swivel head (4).
4. a kind of cable branch box electroscopic device according to claim 1, it is characterised in that the electroscopic device (5) is adopted
Sense electroscope non-direct contact type electroscopic device with acousto-optic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721301817.8U CN207232241U (en) | 2017-10-10 | 2017-10-10 | A kind of cable branch box electroscopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721301817.8U CN207232241U (en) | 2017-10-10 | 2017-10-10 | A kind of cable branch box electroscopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207232241U true CN207232241U (en) | 2018-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721301817.8U Active CN207232241U (en) | 2017-10-10 | 2017-10-10 | A kind of cable branch box electroscopic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125841A (en) * | 2021-05-13 | 2021-07-16 | 广东电网有限责任公司 | Detection device |
-
2017
- 2017-10-10 CN CN201721301817.8U patent/CN207232241U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125841A (en) * | 2021-05-13 | 2021-07-16 | 广东电网有限责任公司 | Detection device |
| CN113125841B (en) * | 2021-05-13 | 2023-10-27 | 广东电网有限责任公司 | Detection device based on non-contact electroscope |
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