CN206301013U - Box-type substation cable leakage detects warning device - Google Patents
Box-type substation cable leakage detects warning device Download PDFInfo
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- CN206301013U CN206301013U CN201621329248.3U CN201621329248U CN206301013U CN 206301013 U CN206301013 U CN 206301013U CN 201621329248 U CN201621329248 U CN 201621329248U CN 206301013 U CN206301013 U CN 206301013U
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- circuit
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- warning device
- leakage current
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- 238000001514 detection method Methods 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000003892 spreading Methods 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Abstract
The utility model is related to box-type substation cable leakage to detect warning device, the electric leakage detecting and warning device is connected with a plurality of cable run, electric leakage detecting and warning device includes leakage current detection part, local alarm indication part, internet transmission of virtual laboratory and background computer display alarm part, leakage current detection part includes detection means and a plurality of leakage current detection circuit, it is connected by a plurality of leakage current detection circuit between detection means and a plurality of cable run, local alarm indication part, internet transmission of virtual laboratory, background computer display alarm part is connected with detection means respectively, local alarm indication part can show specific out of order cable run and sound and light alarm, simultaneously, detection means transmits information to internet transmission of virtual laboratory.The utility model can in time detect the specific cable run for breaking down, and send sound and light alarm and by network to related personnel's alert, prevent failure from spreading, on-call maintenance.
Description
Technical field
The utility model relates generally to box-type substation electrical equipment protection field, more particularly to a kind of box-type substation electricity
Cable electric leakage detecting and warning device.
Background technology
1. box-type substation development trend
China's urban modernization construction is developed rapidly, and city electric distribution system constantly transforms renewal, a kind of new intelligence
Box-type substation arises at the historic moment, and this new box-type substation has the functions such as high powered, transformer pressure-reducing, low-voltage distribution
Machine is combined, due to its have integration degree high, factory's pre-installation, energy-conservation, save land, safety, it is attractive in appearance the features such as, because
This is widely used in urban network construction and upgradation.
2. case becomes cable leakage reason
The extensive use that case becomes causes that the protection alarm measure that case becomes is particularly important, and in Practical Project, cable is exhausted
Aging or moisture the invasion of edge can all cause insulaion resistance to decline, make normal runtime system insulation impedance over the ground relatively low or
Leak electricity;Switchgear long-term use, terminal plate humidity can also cause electric leakage;Cable is difficult to distribute by its heat after pile things on,
Time one will make insulation ag(e)ing and leak electricity long;Electrical equipment long-time running overload causes insulation ag(e)ing or damage;Electricity
Cable is soaked in water, due to acid erosion and osmosis by mine water, insulation is leaked electricity because making moist;Or occur
Some contingencies cause cable failure etc..
3. case becomes cable anticreeping fire alarm system research and development purpose
(1)Personal safety
When electrical equipment makes outer casing electrification, and staff contact this shell because of insulation damages, people is may result in
Body electric shock accidents.Now a part for earth current will flow through from human body, and its numerical value will result in greatly work to a certain extent
The injures and deaths of personnel.Staff is touched when exposing aerial heart yearn because puncturing Plastic-sheathed Cable oversheath, can cause one kind
More serious person electric shock, now, the earth current overwhelming majority flows through human body, thus bigger to the danger of staff.
(2)Economic loss
If cable leakage is not had found that it is likely that in time can cause fire, scaling loss cable, important load equipment stops production and makes
Into the economic loss that cannot be saved, or even can scaling loss equipment.Cable leakage is it is also possible to initiation short circuit accident, causes bigger electricity
Device failure.In addition, the electricity that cable leakage is leaked can be also calculated in factory's power consumption, increase electric quantity consumption, caused
Economic loss.
(3)To equipment influence on system operation
Cable leakage not in time comprehend and cause more serious harm by place, so drain conditions are once found, Ying
One time was repaired, and should be had a power failure treatment to ensure the safety of maintenance personal in maintenance process, can so have a strong impact on production,
The production efficiency of utilization rate of equipment and installations and company is reduced, so as to cause loss economically.
(4)New product development
The box-type substation for producing on the market at present does not possess earth detector, and this design can effectively subtract
Few manpower carrys out the inspection to cable, and safety is also ensure that while facilitating owner's detection work.This design can make manufacture
The case for going out becomes the stronger competitiveness of offer, lifts the performance of product, strengthens the function of product.
Utility model content
The utility model purpose is regarding to the issue above, there is provided a kind of box-type substation cable leakage detection alarm dress
Put, it is intended to overcome the cable leakage injury caused to the person, the loss caused to economy and the damage caused to equipment.
The purpose of this utility model can be realized by following technical proposals:The detection alarm of box-type substation cable leakage
Device, the electric leakage detecting and warning device is connected with a plurality of cable run, breaker, electric current is serially connected with every cable run and is indicated
And earthing or grounding means, the electric leakage detecting and warning device includes leakage current detection part, local alarm indication part, network transmission
Part and background computer display alarm part, the leakage current detection part include detection means and a plurality of leakage current detection electricity
Road, is connected between the detection means and a plurality of cable run by a plurality of leakage current detection circuit, the local alarm
Display portion, internet transmission of virtual laboratory, background computer display alarm part are connected with detection means respectively, the local alarm indication portion
Dividing can show specific out of order cable run and sound and light alarm, meanwhile, the detection means transmits information to network biography
Defeated part.
Further, the leakage current detection circuit is by leakage current detection coil, amplifying circuit, decision circuitry, anti-
Interference circuit, output circuit composition, the leakage current detection coil are serially connected on cable run, the leakage current detection line
The leakage current signal that circle is measured is transferred to detection means by amplifying circuit, decision circuitry, anti-jamming circuit, output circuit.
Further, every cable run configures a leakage current detection circuit.
Further, the local alarm indication part is by Acquisition Circuit, display circuit, acoustics circuit, coding circuit, defeated
Go out circuit composition.
Further, the local alarm indication part gathers signal output to display window and/or sound from detection means
Light crossing-signal, the audible-visual annunciator is made up of alarm lamp and alarming horn.
Further, the internet transmission of virtual laboratory includes mixed-media network modules mixed-media, and the mixed-media network modules mixed-media passes through internet or LAN
It is connected with remote microcomputer.
Compared with prior art, the beneficial effects of the utility model:The specific cable for breaking down can in time be detected
Circuit, sends sound and light alarm and by network to related personnel's alert, prevents failure from spreading, on-call maintenance.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Part numbers are as follows in figure:
1- breakers, 2- electric currents are indicated, 3- leakage current detection coils, 4- earthing or grounding means, 5- detection means, 6- display windows
Mouthful, 7- remote microcomputers(Comprising short message), 8- alarm lamps, 9- alarming horns.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, become apparent from those skilled in the art
Ground understands how to put into practice the utility model.Although describing the utility model with reference to its preferred embodiment, these
Embodiment is to illustrate, rather than limitation scope of the present utility model.
As shown in figure 1, box-type substation cable leakage detection warning device, the electric leakage detecting and warning device and a plurality of cable
Connection, is serially connected with breaker 1, electric current and indicates 2 and earthing or grounding means 4, electric current to indicate 2 to be used for detecting electricity on every cable run
Operating current in cable road, the electric leakage detecting and warning device include leakage current detection part, local alarm indication part,
Internet transmission of virtual laboratory and background computer display alarm part, the leakage current detection part include detection means 5 and a plurality of electric leakage
Current detection circuit, is connected between the detection means 5 and a plurality of cable run by a plurality of leakage current detection circuit, institute
Local alarm indication part, internet transmission of virtual laboratory, background computer display alarm part is stated to be connected with detection means 5 respectively.The leakage
Electric current detecting part can respectively detect the leakage current size of each bar leakage current detection circuit, more than setting value alarm, institute
Stating local alarm indication part can show specific out of order cable run and sound and light alarm, meanwhile, the detection means 5 will
Information transmission is to internet transmission of virtual laboratory.
The leakage current detection circuit by leakage current detection coil 3, amplifying circuit, decision circuitry, anti-jamming circuit,
Output circuit is constituted, and the leakage current detection coil 3 is serially connected on cable run, for detecting the electricity of the electric leakage in cable run
Stream, the leakage current signal that the leakage current detection coil 3 is measured is by amplifying circuit, decision circuitry, anti-jamming circuit, defeated
Go out circuit transmission to detection means 5.
Every cable run configures a leakage current detection circuit.
The local alarm indication part is by Acquisition Circuit, display circuit, acoustics circuit, coding circuit, output circuit group
Into the local alarm indication part gathers signal output to display window 6 and by alarm lamp 8, alarming horn from detection means 5
The audible-visual annunciator of 9 compositions.
The internet transmission of virtual laboratory includes mixed-media network modules mixed-media, and the mixed-media network modules mixed-media is connected with remotely by internet or LAN
Microcomputer(Comprising short message)7, remote microcomputer(Comprising short message)7 can connect many box-type substations in order to manage concentratedly.
The background computer display alarm part includes display interface.
Operation principle:If cable run leaks electricity, cable circuit can produce leakage current, via leakage current detection coil 3
Leakage current is detected, leakage current signal is reached into detection means 5, if leakage current is alarmed more than setting value, display window
Mouth 6 will reflect that corresponding failure information, and audible-visual annunciator will send alert ring tone and warning light.Meanwhile, detection means 5 is passed through
Cross mixed-media network modules mixed-media and fault message to remote microcomputer is sent by internet(Comprising short message)7 notify related maintenance personal, correlation dimension
The content that the personnel of repairing receive information includes the position of failure cable, time of failure.
It should be pointed out that for the utility model through absolutely proving, can also have various conversion and the implementation of remodeling
Scheme, it is not limited to the specific embodiment of above-mentioned implementation method.Above-described embodiment as just explanation of the present utility model, and
It is not to limitation of the present utility model.In a word, protection domain of the present utility model should include those for ordinary skill
Obvious conversion or replacement and remodeling for personnel.
Claims (6)
1. box-type substation cable leakage detects warning device, and the electric leakage detecting and warning device is connected with a plurality of cable run, its
It is characterised by, breaker, electric current is serially connected with every cable run and is indicated and earthing or grounding means, the electric leakage detecting and warning device bag
Include leakage current detection part, local alarm indication part, internet transmission of virtual laboratory and background computer display alarm part, the electric leakage
Current detecting part point includes detection means and a plurality of leakage current detection circuit, between the detection means and a plurality of cable run
It is connected by a plurality of leakage current detection circuit, the local alarm indication part, internet transmission of virtual laboratory, background computer display report
Alert part is connected with detection means respectively.
2. box-type substation cable leakage according to claim 1 detects warning device, it is characterised in that the electric leakage electricity
Current detection circuit is made up of leakage current detection coil, amplifying circuit, decision circuitry, anti-jamming circuit, output circuit, the leakage
Electric electric current detecting coil is serially connected on cable run, and the leakage current signal that the leakage current detection coil is measured is by amplifying
Circuit, decision circuitry, anti-jamming circuit, output circuit are transferred to detection means.
3. box-type substation cable leakage according to claim 1 and 2 detects warning device, it is characterised in that every electricity
One leakage current detection circuit of cable line configuring.
4. box-type substation cable leakage according to claim 1 detects warning device, it is characterised in that the local report
Alert display portion is made up of Acquisition Circuit, display circuit, acoustics circuit, coding circuit, output circuit.
5. the box-type substation cable leakage according to claim 1 or 4 detects warning device, it is characterised in that described to work as
Ground alarm indication part gathers signal output to display window and/or audible-visual annunciator, the audible-visual annunciator from detection means
It is made up of alarm lamp, alarming horn.
6. box-type substation cable leakage according to claim 1 detects warning device, it is characterised in that the network is passed
Defeated part includes mixed-media network modules mixed-media, and the mixed-media network modules mixed-media is connected with remote microcomputer by internet or LAN.
Priority Applications (1)
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CN201621329248.3U CN206301013U (en) | 2016-12-06 | 2016-12-06 | Box-type substation cable leakage detects warning device |
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CN201621329248.3U CN206301013U (en) | 2016-12-06 | 2016-12-06 | Box-type substation cable leakage detects warning device |
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CN201621329248.3U Expired - Fee Related CN206301013U (en) | 2016-12-06 | 2016-12-06 | Box-type substation cable leakage detects warning device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110176728A (en) * | 2019-05-24 | 2019-08-27 | 郑成将 | A kind of box-type substation electric leakage Intelligent lifting isolation warning device and application method |
CN113064099A (en) * | 2021-03-18 | 2021-07-02 | 南通宁海机械电器有限公司 | Self-reset type electric leakage warning device for prefabricated substation |
CN113689659A (en) * | 2021-08-31 | 2021-11-23 | 中煤科工集团重庆智慧城市科技研究院有限公司 | Operation fault alarm method and system for box-type substation |
-
2016
- 2016-12-06 CN CN201621329248.3U patent/CN206301013U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110176728A (en) * | 2019-05-24 | 2019-08-27 | 郑成将 | A kind of box-type substation electric leakage Intelligent lifting isolation warning device and application method |
CN110176728B (en) * | 2019-05-24 | 2020-06-30 | 胜利油田恒源电气有限责任公司 | Intelligent lifting isolation alarm device for electric leakage of box-type substation and use method |
CN113064099A (en) * | 2021-03-18 | 2021-07-02 | 南通宁海机械电器有限公司 | Self-reset type electric leakage warning device for prefabricated substation |
CN113064099B (en) * | 2021-03-18 | 2022-10-21 | 南通宁海机械电器有限公司 | Self-reset type electric leakage warning device for prefabricated substation |
CN113689659A (en) * | 2021-08-31 | 2021-11-23 | 中煤科工集团重庆智慧城市科技研究院有限公司 | Operation fault alarm method and system for box-type substation |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 |
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