CN106505724B - The negative control continuous electrical connection system of equipment of one kind - Google Patents
The negative control continuous electrical connection system of equipment of one kind Download PDFInfo
- Publication number
- CN106505724B CN106505724B CN201611016457.7A CN201611016457A CN106505724B CN 106505724 B CN106505724 B CN 106505724B CN 201611016457 A CN201611016457 A CN 201611016457A CN 106505724 B CN106505724 B CN 106505724B
- Authority
- CN
- China
- Prior art keywords
- fuse
- piece
- shorted
- 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.)
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- 239000013642 negative control Substances 0.000 title claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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
The negative control continuous electrical connection system of equipment of one kind, including terminal box, are provided with switching circuit in terminal box；The shell of the terminal box is square cubic structure, matrix type binding post is evenly arranged in the two sides up and down of the shell one side, the intermediate position of one side is provided with groove, it is evenly arranged in groove and is shorted piece and binding post, the side for being shorted piece is bolted with binding post, the other side is flexibly connected with binding post, energization spring is provided with being shorted on the outside of 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 for being shorted piece；It is provided with reset spring being shorted on the inside of piece, one end of reset spring is connected with the free end for being shorted piece, and the other end of reset spring is connected with the binding post that piece free end is connected is shorted；Shield is provided on groove.The present invention realizes when electrical equipment is repaired and gives user's uninterrupted power supply.
Description
Technical field
The present invention relates to negative control equipment wiring technique field, specifically a kind of negative control continuous electrical connection system of equipment.
Background technique
Electricity load management terminal and main station system can be to large user's electric energy meter electricity, requirement, voltage, electric current, power,
The statistics of large user's electricity consumption is realized in power factor, the automatic collection of the ammeter datas such as rate of qualified voltage, storage, teletransmission, for electricity
Power marketing system provides all kinds of electricity settlement datas, and the load of large user is controlled and managed, and realizes that " peak clipping adds paddy " has
Sequence electricity consumption monitors large user's electric energy meter operation conditions in real time, to multiplexing electric abnormality, is supervised in real time；It is counted in conjunction with critical point
Automated system is measured, distribution transforming pyroelectric monitor realizes that power transmission network, the statistical analysis of power distribution network the whole network line loss are the commercialization of electric power enterprise
Operation provides the decision-making foundation of science.Existing negative control facility terminal cabinet is mostly that straight cutting directly enters mode, and unprotect module is tieed up in equipment
Shield, user fall the work such as the recovery after power supply, unit trip when, it is necessary to switchgear house is all had a power failure or hot line job, gives equipment
The use of daily O&M and user bring serious security risk.
Summary of the invention
The purpose of the present invention is to provide the negative control continuous electrical connection systems of equipment of one kind, connect for solving existing negative control equipment
Wire box is mostly that straight cutting directly enters mode, unprotect module, the work such as recovery after plant maintenance, user fall power supply, unit trip
When, it is necessary to by switchgear house all power failure or hot line jobs, 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 adopted the technical scheme that: the negative control continuous electrical connection system of equipment of one kind is used
In in the recovery operation after progress plant maintenance, user fall power supply, unit trip, main power source and backup power source are cut automatically
It changes, realizes uninterrupted power supply, including terminal box, characterized in that be provided with switching circuit in terminal box；The shell of the terminal box
Body is square cubic structure, matrix type binding post is evenly arranged in the two sides up and down of the shell one side, in one side
Intermediate position is provided with groove, is evenly arranged in groove and is shorted piece and binding post, the side for being shorted piece and binding post
It being bolted, the other side is flexibly connected with binding post, it is provided with energization spring being shorted on the outside of 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 for being shorted piece；It is being shorted piece
Inside is provided with reset spring, and one end of reset spring is connected with the free end for being shorted piece, the other end and short circuit of reset spring
The connected binding post in piece free end is connected；Shield is provided on groove.
Further, the switching circuit include backup power source V1, fuse FU1, fuse FU2, fuse FU3,
Fuse FU4, fuse FU5, fuse FU6, fuse FU7, indicator light HG1, indicator light HG2, electric current relay KA, electromagnetism
Relay KM and be shorted piece SA, the backup power source V1 respectively with one end of 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 alternating current 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 electric appliance KA is connected, and the other end of fuse FU4 is connected with one end of indicator light HG1, indicator light HG1's
The other end is connected with one end of the coil of electric current relay KA and N line respectively, the other end of the coil of electric current relay KA and 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；It is molten
One end of disconnected device FU6 respectively with the other end of 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 ' and one end of indicator light HG2 to be connected, the other end of indicator light HG2 respectively with electromagnetic relay KM line
One end of circle is connected with N line, one end phase of the auxiliary contact ka ' of the other end and electric current relay KA of electromagnetic relay KM coil
Even, the other end of the auxiliary contact ka ' of electric current relay KA is connected with the one end for being shorted piece SA, is shorted the other end of piece SA and melts
One end of disconnected device FU7 is connected, the other end of fuse FU7 respectively with the other end of 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, the shield uses flame-resistant insulation material；Ventilation is evenly arranged on the surface of shield
Hole, the ventilation hole of two sides of shield or so and the area equation of left/right side.
Further, the reset spring uses flame-resistant insulation material.
Further, the energization spring is by mains-supplied.
Further, continuous electrical connection process specifically includes the following steps:
Step 1), electrical equipment break down；
Step 2), alternating current power-off, energization spring power loss, due to being shorted the gravity of piece, the elastic force and reset bullet of energization spring
The elastic force of spring acts on, so that the free end for being shorted piece is connect with binding post；
Step 3), electromagnetic relay KM coil obtain electric, the main contacts km closure of electromagnetic relay KM, electromagnetic relay KM's
Auxiliary contact km ' closure, the coil losing electricity of electric current relay KA, the main contacts ka closure of electric current relay KA；
Step 4), backup power source are connected.
The beneficial effects of the present invention are: the present invention controls the switching of main power source and backup power source by being shorted piece, avoid
In work such as recoveries after plant maintenance, user fall power supply, unit trip, it is necessary to switchgear house all have a power failure or electrification is grasped
Make.
The present invention carries out auto switching electric source using piece is shorted, and after main power source is out of power, is shorted piece and connects standby electricity automatically
Source carries out continual to power supply for electrical equipment.
The present invention is shorted piece and is carried out the disconnection for being shorted piece using energization spring contraction power, using reset spring, is shorted piece certainly
The elastic force of body weight and energization spring carries out the closure for being shorted piece, realizes backup power source power supply.Reset spring uses flame-resistant insulation
Property material, avoid as short circuit and caused by major accident.
Error shock in order to prevent, the present invention are provided with shield above groove, for the ease of heat dissipation, in shield
Surface is provided with ventilation hole.
Detailed description of the invention
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 that the present invention is shorted piece assembly structure schematic diagram；
Fig. 4 is switching circuit figure of the present invention；
In figure: 1, terminal box body, 2, binding post, 3, short circuit piece, 31, energization spring, 32, reset spring, 4, groove, 5,
Shield, 51, ventilation hole.
Specific embodiment
The negative control continuous electrical connection system of equipment of one kind, for after progress plant maintenance, user fall power supply, unit trip
When recovery operation, main power source and backup power source are automatically switched, uninterrupted power supply, including terminal box is realized, is set in terminal box
It is equipped with switching circuit.
As shown in Figure 1, the shell of terminal box is square cubic structure, uniformly set in the two sides up and down of the shell one side
It is equipped with matrix type binding post 2, the intermediate position of one side is provided with groove 4, is evenly arranged in groove 4 and is shorted 3 He of piece
Binding post 2, error shock, is provided with shield 5 on groove 4 in order to prevent, due to being shorted the meeting when being powered of piece and energization spring
Generate heat.As shown in Fig. 2, in order to which with heat dissipation, ventilation hole 51, and two sides of shield or so are just provided on shield
Ventilation hole and left/right side area equation.Reset spring uses flame-resistant insulation material, avoids due to short circuit and causes
Major accident.Energization spring is by mains-supplied.
As shown in figure 3, the side for being shorted piece 3 is bolted with binding post 2, it is shorted the other side and the binding post 2 of piece 3
It is flexibly connected, the outside for being shorted piece 3 is provided with energization spring 31, one end of energization spring 31 and the terminal box on 4 top of groove
Box body 1 is connected, and the other end of energization spring 31 is connected with the free end for being shorted piece 3；The inside for being shorted piece 3 is provided with reset bullet
Spring 32, one end of reset spring 2 are connected with the free end for being shorted piece 3, the other end and the short circuit piece free end phase of reset spring 32
Binding post 2 even is connected.
As shown in figure 4, switching circuit includes backup power source V1, fuse FU1, fuse FU2, fuse FU3, fuse
FU4, fuse FU5, fuse FU6, fuse FU7, indicator light HG1, indicator light HG2, electric current relay KA, electromagnetic relay
KM and be shorted piece SA, the backup power source V1 respectively with one end of fuse FU1, one end of fuse FU2 and fuse FU3
One end be connected, the other end of the other end of fuse FU1, the other end of fuse FU2 and fuse FU3 respectively with alternating current
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 indicator light HG1, the other end of indicator light HG1
It is connected respectively with one end of the coil of electric current relay KA and N line, the other end and fuse FU5 of the coil of electric current relay KA
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 one end phase with the other end of the main contacts ka of electric current relay KA, L3 and electromagnetic relay KM main contacts km respectively
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 indicator light HG2, the other end of indicator light HG2 respectively with electromagnetic relay KM coil one
End is connected with N line, and one end of the auxiliary contact ka ' of the other end and electric current relay KA of electromagnetic relay KM coil is connected, electricity
The other end of the auxiliary contact ka ' of current relay KA is connected with the one end for being shorted piece SA, is shorted the other end and fuse of piece SA
One end of FU7 is connected, the other end of the fuse FU7 other end, L1 and the electromagnetism with the main contacts ka of electric current relay KA respectively
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.
Continuous electrical connection process specifically includes the following steps:
Step 1), electrical equipment break down；
Step 2), alternating current power-off, energization spring power loss, due to being shorted the gravity of piece, the elastic force and reset bullet of energization spring
The elastic force of spring acts on, so that the free end for being shorted piece is connect with binding post；
Step 3), electromagnetic relay KM coil obtain electric, the main contacts km closure of electromagnetic relay KM, electromagnetic relay KM's
Auxiliary contact km ' closure, the coil losing electricity of electric current relay KA, the main contacts ka closure of electric current relay KA；
Step 4), backup power source are connected.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, based on the technical solutions of the present invention, those skilled in the art are not needed to make the creative labor and can be done
Various modifications or changes out are still within protection scope of the present invention.
Claims (4)
1. the negative control continuous electrical connection system of equipment of one kind, for extensive after progress plant maintenance, user fall power supply, unit trip
When operating again, main power source and backup power source are automatically switched, realize uninterrupted power supply, including terminal box, characterized in that in wiring
Switching circuit is provided in box；The shell of the terminal box is square cubic structure, in the two sides up and down of the shell one side
It is evenly arranged with matrix type binding post, the intermediate position of one side is provided with groove, short circuit piece is evenly arranged in groove
And binding post, the side for being shorted piece are bolted with binding post, the other side is flexibly connected with binding post, is being shorted piece
Outside be provided with energization spring, one end of energization spring is connected with the terminal box body on groove top, energization spring it is another
It holds and is connected with the free end for being shorted piece；It is provided with reset spring being shorted on the inside of piece, one end and the short circuit piece of reset spring
Free end is connected, and the other end of reset spring is connected with the binding post that piece free end is connected is shorted；Protection is provided on groove
Cover；The switching circuit includes backup power source V1, fuse FU1, fuse FU2, fuse FU3, fuse FU4, fusing
Device FU5, fuse FU6, fuse FU7, indicator light HG1, indicator light HG2, electric current relay KA, electromagnetic relay KM and short circuit
Piece SA, the backup power source V1 one end phase with one end of fuse FU1, one end of fuse FU2 and fuse FU3 respectively
Even, 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 alternating current
It is connected with one end of the main contacts ka of electric current relay KA, one end of fuse FU4 and the main contacts of L1 and electric current relay KA
One end of ka is connected, and the other end of fuse FU4 is connected with one end of indicator light HG1, the other end of indicator light HG1 respectively with electricity
One end of the coil of current relay KA is connected with N line, one end phase of the other end and fuse FU5 of the coil of electric current relay KA
Even, the other end of fuse FU5 is connected with one end of the main contacts ka of L2 and electric current relay KA；One end of fuse FU6 point
It is not connected with one end of the other end of the main contacts ka of electric current relay KA, L3 and electromagnetic relay KM main contacts km, fuse
The other end of FU6 is connected with one end of electromagnetic relay KM auxiliary contact km ', and electromagnetic relay KM auxiliary contact km's ' is another
End be connected with one end of indicator light HG2, the other end of indicator light HG2 respectively with one end of electromagnetic relay KM coil and N line phase
Even, one end of the auxiliary contact ka ' of the other end and electric current relay KA of electromagnetic relay KM coil is connected, electric current relay KA
Auxiliary contact ka ' the other end be shorted piece SA one end be connected, short circuit piece SA the other end and fuse FU7 one end phase
Even, the other end of fuse FU7 respectively with the other end of the main contacts ka of electric current relay KA, L1 and the main touching of electromagnetic relay KM
One end of point km is connected；The other end of electromagnetic relay KM main contacts km is connected with electrical equipment.
2. a kind of negative control continuous electrical connection system of equipment according to claim 1, characterized in that the shield uses
Flame-resistant insulation material；Ventilation hole is evenly arranged on the surface of shield, the ventilation hole of two sides of shield or so and left/
The area equation of right side.
3. a kind of negative control continuous electrical connection system of equipment according to claim 1, characterized in that the reset spring is adopted
With flame-resistant insulation material.
4. a kind of negative control continuous electrical connection system of equipment according to claim 1, characterized in that the energization spring by
Mains-supplied.
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 CN106505724A (en) | 2017-03-15 |
| CN106505724B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555955B (en) * | 2021-09-18 | 2022-03-11 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106505724A (en) | 2017-03-15 |
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