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 PDFInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit 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
- H02J9/06—Circuit 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
- H02J9/061—Circuit 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
Landscapes
- 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
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.
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106505724A true CN106505724A (en) | 2017-03-15 |
CN106505724B CN106505724B (en) | 2019-06-21 |
Family
ID=58324978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611016457.7A Active CN106505724B (en) | 2016-11-18 | 2016-11-18 | The negative control continuous electrical connection system of equipment of one kind |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106505724B (en) |
Cited By (1)
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)
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 |
-
2016
- 2016-11-18 CN CN201611016457.7A patent/CN106505724B/en active Active
Patent Citations (3)
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)
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 |
Also Published As
Publication number | Publication date |
---|---|
CN106505724B (en) | 2019-06-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2018064861A1 (en) | Dual-connector electric car direct current charging pile | |
CN203312656U (en) | An intelligent energy-saving-type outdoor switching station | |
CN202602134U (en) | Portable DC system load transfer auxiliary tank | |
CN205882432U (en) | Intelligent MNS low -voltage switchgear | |
CN201994722U (en) | Microcomputer-type direct current screen | |
CN209709639U (en) | A kind of multiterminal confirmation ground wire deicing remote power feeding system | |
CN204558895U (en) | A kind of power distribution cabinet | |
CN203481920U (en) | Comprehensive online acquisition device for intelligent areas | |
CN106505724A (en) | A kind of continuous electrical connection system of negative control equipment | |
CN203760864U (en) | Automatic distribution-network pole-mounted switch cabinet capable of remote monitoring | |
CN211184586U (en) | Outdoor ETC rack | |
CN203588057U (en) | Wind power monitoring device | |
CN204558934U (en) | A kind of fixed low-voltage distribution cabinet | |
CN203965973U (en) | Constant temperature and humidity type distribution automation on-pole switch cabinet | |
CN206422603U (en) | A kind of power distribution automation station institute terminal | |
CN105137284A (en) | Positioning and auxiliary emergency repair device for emergency maintenance of power distribution network, and application method | |
CN206004202U (en) | A kind of explosion-proof ring main unit | |
CN204129860U (en) | Based on the pre-payment electric control system of non-contact IC card | |
CN207664490U (en) | A kind of Intelligent high-tension switch cabinet | |
CN203260909U (en) | Safe and disassemblable power distribution cabinet body | |
CN202190003U (en) | Intelligent component cabinet of intelligent substation | |
CN202978436U (en) | Remote automatic control system applied to distribution circuit | |
CN206149211U (en) | Intelligence exchanges collection flow box with measure protect function | |
CN205039403U (en) | Feed cabinet charges | |
CN206332604U (en) | A kind of power panel on DTU |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |