CN106505724A - A kind of continuous electrical connection system of negative control equipment - Google Patents

A kind of continuous electrical connection system of negative control equipment Download PDF

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Publication number
CN106505724A
CN106505724A CN201611016457.7A CN201611016457A CN106505724A CN 106505724 A CN106505724 A CN 106505724A CN 201611016457 A CN201611016457 A CN 201611016457A CN 106505724 A CN106505724 A CN 106505724A
Authority
CN
China
Prior art keywords
fuse
short circuit
circuit piece
electric current
binding post
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.)
Granted
Application number
CN201611016457.7A
Other languages
Chinese (zh)
Other versions
CN106505724B (en
Inventor
鞠屹
段旭
顾兖峰
马文
袁人楠
翟锦奎
孙志超
李龙
翟兴丽
谢媛媛
马欢
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.)
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
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.)
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Publication date
Application filed by State Grid Corp of China SGCC, Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201611016457.7A priority Critical patent/CN106505724B/en
Publication of CN106505724A publication Critical patent/CN106505724A/en
Application granted granted Critical
Publication of CN106505724B publication Critical patent/CN106505724B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/03Cooling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes
    • H02G3/16Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

A kind of continuous electrical connection system of negative control equipment, including rosette, is provided with switching circuit in rosette;The housing of the rosette is square cubic structure, matrix type binding post is evenly arranged with the both sides up and down of the housing one side, arrange in the middle part of one side fluted, short circuit piece and binding post is evenly arranged with groove, the side of the short circuit piece is bolted with binding post, opposite side is flexibly connected with binding post, energization spring is provided with the outside of short circuit piece, one end of energization spring is connected with the terminal box body on groove top, and the other end of energization spring is connected with the free end of short circuit piece;Back-moving spring is provided with the inside of short circuit piece, one end of back-moving spring is connected with the free end of short circuit piece, the binding post that the other end of back-moving spring is connected with short circuit piece free end is connected;Protective cover is provided with groove.The present invention is when electrical equipment is keeped in repair, it is achieved that give user's uninterrupted power supply.

Description

A kind of continuous electrical connection system of negative control equipment
Technical field
The present invention relates to negative control equipment wiring technique field, the continuous electrical connection system of specifically a kind of negative control equipment.
Background technology
Electricity load management terminal and main station system can be to large user's electric energy meter electricity, requirement, voltage, electric current, power, The automatic data collection of the ammeter datas such as power factor, rate of qualified voltage, storage, teletransmission realize large user's electricity consumption statistics of variables, are electricity Power marketing system provides all kinds of electricity settlement datas, the load of large user is controlled and is managed, and realizes that " peak clipping adds paddy " has Sequence electricity consumption, carries out monitor in real time to large user's electric energy meter operation conditions, to multiplexing electric abnormality, is supervised in real time;Count in conjunction with critical point Amount automated system, distribution transforming pyroelectric monitor realize power transmission network, and the statistical analysiss of power distribution network the whole network line loss are the commercialization of electric power enterprise The decision-making foundation of operation offer science.Existing negative control facility terminal cabinet mostly is straight cutting and directly enters pattern, and unprotect module is tieed up in equipment Shield, user fall the work such as power supply, recovery after unit trip when, it is necessary to switchgear house is all had a power failure or hot line job, to equipment The use of daily O&M and user brings serious security risk.
Content of the invention
It is an object of the invention to provide a kind of continuous electrical connection system of negative control equipment, connects for solving existing negative control equipment Line box mostly is straight cutting and directly enters the work such as pattern, unprotect module, the recovery after plant maintenance, user fall power supply, unit trip When, it is necessary to switchgear house is all had a power failure or hot line job, serious peace is brought to the use of the daily O&M of equipment and user The problem of full blast danger.
Present aspect solves its technical problem and is adopted the technical scheme that:A kind of continuous electrical connection system of negative control equipment, uses In carry out plant maintenance, user fall power supply, recovery operation after unit trip when, main power source and stand-by power supply are cut automatically Change, realize uninterrupted power supply, including rosette, it is characterized in that, in rosette, be provided with switching circuit;The shell of the rosette Body is square cubic structure, is evenly arranged with matrix type binding post in the both sides up and down of the housing one side, in one side Middle part setting is fluted, is evenly arranged with short circuit piece and binding post, the side of the short circuit piece and binding post in groove It is bolted, opposite side is flexibly connected with binding post, is provided with energization spring on the outside of short circuit piece, the one of energization spring End is connected with the terminal box body on groove top, and the other end of energization spring is connected with the free end of short circuit piece;In short circuit piece Inner side is provided with back-moving spring, and one end of back-moving spring is connected with the free end of short circuit piece, the other end and short circuit of back-moving spring The binding post that piece free end is connected is connected;Protective cover is provided with groove.
Further, described switching circuit include stand-by power supply V1, fuse FU1, fuse FU2, fuse FU3, Fuse FU4, fuse FU5, fuse FU6, fuse FU7, display lamp HG1, display lamp HG2, electric current relay KA, electromagnetism Relay KM and short circuit piece SA, stand-by power supply V1 one end respectively with fuse FU1, one end of fuse FU2 and fusing One end of device FU3 is connected, the other end of the other end of fuse FU1, the other end of fuse FU2 and fuse FU3 respectively with L1, L2, L3 of civil power are connected with one end of the main contacts ka of electric current relay KA, one end of fuse FU4 and L1 and electric current after One end of the main contacts ka of electrical equipment KA is connected, and the other end of fuse FU4 is connected with one end of display lamp HG1, display lamp HG1's The other end is connected with one end of the coil of electric current relay KA and N lines respectively, the other end of the coil of electric current relay KA with molten One end of disconnected device FU5 is connected, and the other end of fuse FU5 is connected with one end of the main contacts ka of L2 and electric current relay KA;Molten One end of disconnected device FU6 other end respectively with the main contacts ka of electric current relay KA, L3 and electromagnetic relay KM main contacts km One end is connected, and the other end of fuse FU6 is connected with one end of electromagnetic relay KM auxiliary contact km ', and electromagnetic relay KM is auxiliary Help the other end of contact km ' to be connected with one end of display lamp HG2, the other end of display lamp HG2 respectively with electromagnetic relay KM lines One end of circle is connected with N lines, one end phase of the other end of electromagnetic relay KM coils and the auxiliary contact ka ' of electric current relay KA Even, the other end of the auxiliary contact ka ' of electric current relay KA is connected with one end of short circuit piece SA, the other end of short circuit piece SA with melt One end of disconnected device FU7 is connected, the other end of the fuse FU7 other end respectively with the main contacts ka of electric current relay KA, L1 and One end of electromagnetic relay KM main contacts km is connected;The other end of electromagnetic relay KM main contacts km is connected with electrical equipment.
Further, described protective cover adopts flame-resistant insulation material;Ventilation is evenly arranged with the surface of protective cover The air vent of two sides of hole, protective cover or so and the area equation of left/right side.
Further, described back-moving spring adopts flame-resistant insulation material.
Further, described energization spring is by mains-supplied.
Further, continuous electrical connection process specifically includes following steps:
Step 1), electrical equipment breaks down;
Step 2), civil power power-off, energization spring dead electricity, due to the gravity of short circuit piece, the elastic force of energization spring and reset bullet The elastic force effect of spring so that the free end of short circuit piece is connected with binding post;
Step 3), electromagnetic relay KM coils obtain electric, the main contacts km of electromagnetic relay KM closure, electromagnetic relay KM's Auxiliary contact km ' is closed, the coil losing electricity of electric current relay KA, the main contacts ka closures of electric current relay KA;
Step 4), stand-by power supply connect.
The invention has the beneficial effects as follows:The present invention controls the switching of main power source and stand-by power supply by short circuit piece, it is to avoid During the work such as the recovery after plant maintenance, user fall power supply, unit trip, it is necessary to which switchgear house all has a power failure or powered behaviour Make.
The present invention carries out auto switching electric source using short circuit piece, and after main power source does not have electricity, short circuit piece connects standby electricity automatically Source, carries out continual powering to electrical equipment.
Short circuit piece of the present invention carries out the disconnection of short circuit piece using energization spring contraction power, using back-moving spring, short circuit piece certainly The elastic force of heavy sensation of the body amount and energization spring carries out the closure of short circuit piece, realizes that stand-by power supply is powered.Back-moving spring adopts flame-resistant insulation Property material, it is to avoid the major accident caused due to short circuit.
In order to prevent error shock, the present invention to be provided with protective cover above groove, for the ease of radiating, in protective cover Surface is provided with air vent.
Description of the drawings
Fig. 1 is junction box structure schematic diagram of the present invention;
Fig. 2 is protective roof structure schematic diagram of the present invention;
Fig. 3 is short circuit piece assembly structure schematic diagram of the present invention;
Fig. 4 is switching circuit figure of the present invention;
In figure:1st, terminal box body, 2, binding post, 3, short circuit piece, 31, energization spring, 32, back-moving spring, 4, groove, 5, Protective cover, 51, air vent.
Specific embodiment
A kind of continuous electrical connection system of negative control equipment, for falling after power supply, unit trip carrying out plant maintenance, user During recovery operation, main power source and stand-by power supply are automatically switched, uninterrupted power supply is realized, including rosette, is set in rosette It is equipped with switching circuit.
As shown in figure 1, the housing of rosette is square cubic structure, uniformly set in the both sides up and down of the housing one side Matrix type binding post 2 is equipped with, fluted 4 is arranged in the middle part of one side, in groove 4 be evenly arranged with 3 He of short circuit piece Binding post 2, in order to prevent error shock, is provided with protective cover 5 on groove 4, the meeting when being powered due to short circuit piece and energization spring Produce heat.As shown in Fig. 2 in order to just with radiating, be provided with air vent 51 on protective cover, and two sides of protective cover or so Air vent and left/right side area equation.Back-moving spring adopts flame-resistant insulation material, it is to avoid caused due to short circuit Major accident.Energization spring is by mains-supplied.
As shown in figure 3, the side of short circuit piece 3 is bolted with binding post 2, the opposite side of short circuit piece 3 and binding post 2 It is flexibly connected, the outside of short circuit piece 3 is provided with the rosette on energization spring 31, one end of energization spring 31 and 4 top of groove Box body 1 is connected, and the other end of energization spring 31 is connected with the free end of short circuit piece 3;The inner side of short circuit piece 3 is provided with reset bullet Spring 32, one end of back-moving spring 2 are connected with the free end of short circuit piece 3, the other end of back-moving spring 32 and short circuit piece free end phase Binding post 2 even is connected.
As shown in figure 4, switching circuit includes stand-by power supply V1, fuse FU1, fuse FU2, fuse FU3, fuse FU4, fuse FU5, fuse FU6, fuse FU7, display lamp HG1, display lamp HG2, electric current relay KA, electromagnetic relay KM and short circuit piece SA, stand-by power supply V1 one end respectively with fuse FU1, one end of fuse FU2 and fuse FU3's One end is connected, the other end of the other end of fuse FU1, the other end of fuse FU2 and fuse FU3 respectively with civil power L1, L2, L3 are connected with one end of the main contacts ka of electric current relay KA, one end of fuse FU4 and L1 and electric current relay KA Main contacts ka one end be connected, the other end of fuse FU4 is connected with one end of display lamp HG1, the other end of display lamp HG1 It is connected with one end of the coil of electric current relay KA and N lines respectively, the other end of the coil of electric current relay KA and fuse FU5 One end be connected, the other end of fuse FU5 is connected with one end of the main contacts ka of L2 and electric current relay KA;Fuse FU6 One end other end, L3 and electromagnetic relay KM main contacts km respectively with the main contacts ka of electric current relay KA one end phase Even, the other end of fuse FU6 is connected with one end of electromagnetic relay KM auxiliary contact km ', electromagnetic relay KM auxiliary contact The other end of km ' is connected with one end of display lamp HG2, the other end of display lamp HG2 respectively with electromagnetic relay KM coils one End is connected with N lines, and the other end of electromagnetic relay KM coils is connected with one end of the auxiliary contact ka ' of electric current relay KA, electricity The other end of the auxiliary contact ka ' of current relay KA is connected with one end of short circuit piece SA, the other end and fuse of short circuit piece SA One end of FU7 is connected, the other end of the fuse FU7 other end respectively with the main contacts ka of electric current relay KA, L1 and electromagnetism One end of relay KM main contacts km is connected;The other end of electromagnetic relay KM main contacts km is connected with electrical equipment.
Constantly electrical connection process specifically includes following steps:
Step 1), electrical equipment breaks down;
Step 2), civil power power-off, energization spring dead electricity, due to the gravity of short circuit piece, the elastic force of energization spring and reset bullet The elastic force effect of spring so that the free end of short circuit piece is connected with binding post;
Step 3), electromagnetic relay KM coils obtain electric, the main contacts km of electromagnetic relay KM closure, electromagnetic relay KM's Auxiliary contact km ' is closed, the coil losing electricity of electric current relay KA, the main contacts ka closures of electric current relay KA;
Step 4), stand-by power supply connect.
Although the above-mentioned accompanying drawing that combines is described to the specific embodiment of the present invention, not to present invention protection model The restriction that encloses, on the basis of technical scheme, those skilled in the art are done by need not paying creative work The various modifications for going out or deformation are still within protection scope of the present invention.

Claims (6)

1. the continuous electrical connection system of a kind of negative control equipment, for carry out plant maintenance, user fall extensive after power supply, unit trip When operating again, main power source and stand-by power supply are automatically switched, uninterrupted power supply is realized, including rosette, be it is characterized in that, in wiring Switching circuit is provided with box;The housing of the rosette is square cubic structure, in the both sides up and down of the housing one side Matrix type binding post is evenly arranged with, and the middle part setting in one side is fluted, and short circuit piece is evenly arranged with groove And binding post, the side of the short circuit piece is bolted with binding post, and opposite side is flexibly connected with binding post, in short circuit piece Outside be provided with energization spring, one end of energization spring is connected with the terminal box body on groove top, energization spring another End is connected with the free end of short circuit piece;Back-moving spring, one end of back-moving spring and short circuit piece is provided with the inside of short circuit piece Free end is connected, and the binding post that the other end of back-moving spring is connected with short circuit piece free end is connected;Protection is provided with groove Cover.
2. a kind of continuous electrical connection system of negative control equipment according to claim 1, is characterized in that, described switching circuit bag Include stand-by power supply V1, fuse FU1, fuse FU2, fuse FU3, fuse FU4, fuse FU5, fuse FU6, fusing Device FU7, display lamp HG1, display lamp HG2, electric current relay KA, electromagnetic relay KM and short circuit piece SA, the stand-by power supply V1 One end of one end, one end of fuse FU2 and fuse FU3 respectively with fuse FU1 is connected, the other end of fuse FU1, The other end of the other end of fuse FU2 and fuse FU3 is touched with the master of L1, L2, L3 and electric current relay KA of civil power respectively One end of point ka is connected, and one end of fuse FU4 is connected with one end of the main contacts ka of L1 and electric current relay KA, fuse The other end of FU4 is connected with one end of display lamp HG1, the other end of display lamp HG1 respectively with the coil of electric current relay KA One end is connected with N lines, and the other end of the coil of electric current relay KA is connected with one end of fuse FU5, and fuse FU5's is another End is connected with one end of the main contacts ka of L2 and electric current relay KA;One end of fuse FU6 is respectively with electric current relay KA's The other end of main contacts ka, L3 are connected with one end of electromagnetic relay KM main contacts km, the other end of fuse FU6 and electromagnetism after One end of electrical equipment KM auxiliary contact km ' is connected, the other end of electromagnetic relay KM auxiliary contact km ' and one end of display lamp HG2 It is connected, the other end of display lamp HG2 is connected with one end of electromagnetic relay KM coils and N lines respectively, electromagnetic relay KM coils The other end be connected with one end of the auxiliary contact ka ' of electric current relay KA, the auxiliary contact ka's ' of electric current relay KA is another End is connected with one end of short circuit piece SA, and the other end of short circuit piece SA is connected with one end of fuse FU7, and fuse FU7's is another One end of the end other end, L1 and electromagnetic relay KM main contacts km respectively with the main contacts ka of electric current relay KA is connected;Electricity The other end of magnetic relay KM main contacts km is connected with electrical equipment.
3. a kind of continuous electrical connection system of negative control equipment according to claim 1, is characterized in that, described protective cover is adopted Flame-resistant insulation material;The surface of protective cover be evenly arranged with the air vent of two sides of air vent, protective cover or so with left/ The area equation of right flank.
4. a kind of continuous electrical connection system of negative control equipment according to claim 1, is characterized in that, described back-moving spring is adopted With flame-resistant insulation material.
5. a kind of continuous electrical connection system of negative control equipment according to claim 1, is characterized in that, described energization spring by Mains-supplied.
6. the continuous electrical connection system of the negative control equipment of one kind according to claim 1-5 any one, is characterized in that, not power-off Wiring process specifically includes following steps:
Step 1), electrical equipment breaks down;
Step 2), civil power power-off, energization spring dead electricity, due to the gravity of short circuit piece, the elastic force of energization spring and back-moving spring Elastic force is acted on so that the free end of short circuit piece is connected with binding post;
Step 3), electromagnetic relay KM coils obtain electric, the main contacts km of electromagnetic relay KM closure, the auxiliary of electromagnetic relay KM Contact km ' is closed, the coil losing electricity of electric current relay KA, the main contacts ka closures of electric current relay KA;
Step 4), stand-by power supply connect.
CN201611016457.7A 2016-11-18 2016-11-18 The negative control continuous electrical connection system of equipment of one kind Active CN106505724B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611016457.7A CN106505724B (en) 2016-11-18 2016-11-18 The negative control continuous electrical connection system of equipment of one kind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611016457.7A CN106505724B (en) 2016-11-18 2016-11-18 The negative control continuous electrical connection system of equipment of one kind

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CN106505724A true CN106505724A (en) 2017-03-15
CN106505724B CN106505724B (en) 2019-06-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113555955A (en) * 2021-09-18 2021-10-26 深圳市恒讯通电子有限公司 Emergency protection device based on electronic switch outage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2321007Y (en) * 1998-03-20 1999-05-26 高密市供电局 Junction box for electric energy measuring device
CN204008758U (en) * 2013-09-26 2014-12-10 国家电网公司 A kind of electric energy meter combined connection box
CN104793029A (en) * 2015-05-05 2015-07-22 国家电网公司 Spring compression type electric energy measuring and wiring device with control loop access function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2321007Y (en) * 1998-03-20 1999-05-26 高密市供电局 Junction box for electric energy measuring device
CN204008758U (en) * 2013-09-26 2014-12-10 国家电网公司 A kind of electric energy meter combined connection box
CN104793029A (en) * 2015-05-05 2015-07-22 国家电网公司 Spring compression type electric energy measuring and wiring device with control loop access function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113555955A (en) * 2021-09-18 2021-10-26 深圳市恒讯通电子有限公司 Emergency protection device based on electronic switch outage

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