CN206301013U - Box-type substation cable leakage detects warning device - Google Patents

Box-type substation cable leakage detects warning device Download PDF

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Publication number
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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CN
China
Prior art keywords
circuit
leakage
warning device
leakage current
cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201621329248.3U
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Chinese (zh)
Inventor
孙宏义
曹志
金健
苏航
孙占英
王迎彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Civil Engineering Co Ltd of CREC
Construction Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Original Assignee
Shanghai Civil Engineering Co Ltd of CREC
Construction Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Civil Engineering Co Ltd of CREC, Construction Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC filed Critical Shanghai Civil Engineering Co Ltd of CREC
Priority to CN201621329248.3U priority Critical patent/CN206301013U/en
Application granted granted Critical
Publication of CN206301013U publication Critical patent/CN206301013U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Box-type substation cable leakage detects warning device
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.
CN201621329248.3U 2016-12-06 2016-12-06 Box-type substation cable leakage detects warning device Expired - Fee Related CN206301013U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621329248.3U CN206301013U (en) 2016-12-06 2016-12-06 Box-type substation cable leakage detects warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621329248.3U CN206301013U (en) 2016-12-06 2016-12-06 Box-type substation cable leakage detects warning device

Publications (1)

Publication Number Publication Date
CN206301013U true CN206301013U (en) 2017-07-04

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Family Applications (1)

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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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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

CF01 Termination of patent right due to non-payment of annual fee