CN107017642A - A kind of low-voltage comprehensive distribution box for improving power supplying efficiency - Google Patents
A kind of low-voltage comprehensive distribution box for improving power supplying efficiency Download PDFInfo
- Publication number
- CN107017642A CN107017642A CN201710213997.2A CN201710213997A CN107017642A CN 107017642 A CN107017642 A CN 107017642A CN 201710213997 A CN201710213997 A CN 201710213997A CN 107017642 A CN107017642 A CN 107017642A
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- China
- Prior art keywords
- cabinet
- distribution box
- compensation unit
- power supplying
- low
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- 230000001012 protector Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 238000011217 control strategy Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 10
- 238000004891 communication Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/30—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing of extensible, e.g. telescopic, construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
-
- H02J13/0006—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Patch Boards (AREA)
Abstract
The present invention relates to a kind of low-voltage comprehensive distribution box for improving power supplying efficiency, including cabinet and cabinet door, electric energy meter is provided with cabinet, electric energy meter provided with end of incoming cables all the way and at least leading-out terminal all the way, end of incoming cables is provided with fuse type disconnector, and end of incoming cables, which is provided with current transformer, cabinet, is provided with reactive compensation unit, reactive compensation unit is provided with phase splitting compensation room and three-phase total compensation room, reactive compensation unit and is connected with distribution transformer terminals；Advantages of the present invention：By reactive compensation unit to distribution box interior power inlet wire compensation deals, improve the power factor of power network, reduce the loss of supply transformer and conveying circuit, power supplying efficiency is improved, improves power supply environment, and control signal is issued by distribution transformer terminals, can be according to the optimal compensation way in the practical operation situation lower section of circuit, reactive-load compensator Automated condtrol is realized, realizing the compensation power of reactive compensation unit can settle at one go, reduce the damage of distribution box.
Description
Technical field
The present invention relates to a kind of low-voltage comprehensive distribution box for improving power supplying efficiency.
Background technology
At present, distribution box be constitute low pressure woods by electrical wiring, it is desirable to by switchgear, measuring instrumentss, protection electrical equipment and
Auxiliary equipment is assembled in closing or semiclosed metal safe or shielded on width, can reasonably distribute electric energy, the convenient folding to circuit
Operation, existing distribution box in use, because different factors causes the loss of network, the problem of power grid quality declines,
So as to have impact on power supplying efficiency.
The content of the invention
The technical problem to be solved in the present invention is just to provide a kind of low-voltage comprehensive distribution box for improving power supplying efficiency, solves existing
The problem of some distribution box power supplying efficiencies is low.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：One kind improves power supplying efficiency
Low-voltage comprehensive distribution box, including cabinet and cabinet door, cabinet door is arranged on cabinet, is provided with electric energy meter, electric energy meter and sets in cabinet
Have and the first breaker is equipped with end of incoming cables all the way and at least leading-out terminal all the way, end of incoming cables and leading-out terminal, end of incoming cables is provided with molten
Disconnected formula disconnecting switch, end of incoming cables, which is provided with current transformer, cabinet, is provided with reactive compensation unit, and reactive compensation unit is provided with
Phase splitting compensation room and three-phase total compensation room, reactive compensation unit are provided with the second breaker, reactive compensation unit and connect oriented nothing
Work(compensating unit issues the distribution transformer terminals of control strategy, and distribution transformer terminals are provided with collection and statistics reactive compensation unit operational factor
Acquisition chip, acquisition chip is provided with digital signal processor, and distribution transformer terminals are connected with current transformer, and cabinet is provided with unrestrained
Surge protector, Surge Protector is not less than 6 square millimeters of ground wire provided with sectional area.
It is preferred that, reactive compensation unit is provided with arrester, can prevent lightning surge, operate overvoltage surge and other
The damage that transient overvoltage is caused to AC power supply system and electrical equipment.
It is preferred that, concentrator is connected with electric energy meter, is conducive to the data on operating personnel's reading power meters, realizes data
Communication, line efficiency can be improved.
It is preferred that, stand-by power supply is connected with distribution transformer terminals, the continuous-stable work of distribution terminal is can guarantee that.
It is preferred that, the top of cabinet, which is provided with thermal insulation layer, cabinet, is connected with ventilation duct, and the setting of thermal insulation layer can prevent heat
Amount damages cabinet, and the setting of ventilation duct is conducive to the ventilation of cabinet.
It is preferred that, cabinet door is provided with three point latch, and three point latch includes lock housing and lock core, and lock housing is provided with dense block
The protection cap of core, protection cap includes inner cap and enclosing cover, and inner cap is arranged in lock housing, enclosing cover be arranged in cover, be provided with cabinet
The connector of connecting cabinet door, cabinet door locking is realized on cabinet by three point latch, can realize that cabinet door is smoothly locked at cabinet
On body, and three point latch is arranged to lock housing and lock core, and the protection cap provided with sealing lock core in lock housing, can realize that lock core has
There is the function of waterproof, antirust and pick-proof, substantially increase the security performance of distribution box body, improve the use of three point latch
In the life-span, protection cap is arranged to inner cap and enclosing cover, the duplicate protection of lock core is realized by inner cap and enclosing cover, further increased anti-
Effect is stolen, the setting of connector can realize fixation when cabinet door is opened, it is to avoid cabinet door is rocked during maintenance, and connector is set
In cabinet, the damage of connector is reduced.
It is preferred that, inner cap includes upper lid and lower cover, and lower cover is fixedly connected in lock housing, and upper lid is slidably connected in lock housing,
And connected between upper lid and lower cover by the location structure of mutual cooperation, location structure includes locating dowel and positioning hole, enclosing cover
One end is rotatably connected on lower lid, and the other end of enclosing cover is connected on lid, realizes that enclosing cover is covered on departing from by rotating enclosing cover,
Lid is slided in lock housing, regulation is reliable, and security performance is higher, the setting of location structure, lid and lower cover can be realized
Close connection.
It is preferred that, the locating dowel is located at the top of lid, and locating dowel is upwardly extended or extended laterally, and positioning hole is located at
The bottom of lower cover, connection is reliable, can realize accurately positioning, it is to avoid the transverse shakiness above covered.
It is preferred that, connector includes connecting rod and expansion link, and expansion link includes fixing end and movable end, and fixing end is provided with
The fix bar being connected is rotated with cabinet, one end of connecting rod is connected with movable end, the other end of connecting rod is provided with connecting hole, cabinet door
Provided with the connecting pole being engaged with connecting hole, the regulation of different angles when cabinet door is opened can be realized, connecting hole is matched somebody with somebody with connecting pole
Close, fixation when cabinet door is opened can be realized.
It is preferred that, the bottom and top of cabinet are equipped with mounting rail, and the top of cabinet is provided with suspension ring, can realize cabinet energy bottom
Portion is installed and top lifting, realizes different installation environments, and the setting of suspension ring is easy to the lifting of cabinet to ensure the accurate fixed of cabinet
Position, can realize the Fast Installation of cabinet.
In summary, advantages of the present invention：1. distribution box interior power inlet wire compensation deals are carried by reactive compensation unit
The power factor of high power network, the loss of reduction supply transformer and conveying circuit improves power supplying efficiency, improves power supply environment, and
Control signal is issued by distribution transformer terminals, nothing can be realized according to the optimal compensation way in the practical operation situation lower section of circuit
Work(compensator Automated condtrol, realizing the compensation power of reactive compensation unit can settle at one go, reduce the damage of distribution box；
2. reactive compensation unit is arranged into phase splitting compensation room and three-phase total compensation room, reactive compensation unit can be realized to distribution
The mixed mode mended of case is compensated, and adapts to the compensation of different loads situation, and macroeconomic performance is low；
3. the setting of acquisition chip, can improve the benefit of reactive compensation unit to control strategy below reactive compensation unit
Efficiency is repaid, and can gather and count intelligent capacitor group operational factor, and realizes by digital signal processor the processing of data,
It is easy to operating personnel's viewing reading；
4. the setting of Surge Protector, can guarantee that the earthing effect of distribution box, thunderbolt can be prevented, distribution box equipment is improved
Service life；
5. the setting of current transformer, can measure to the end of incoming cables electric current flowed through in electric energy meter, can ensure well
Distribution box security performance.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation for the low-voltage comprehensive distribution box for improving power supplying efficiency of the present invention；
Fig. 2 is the structural representation of distribution transformer terminals of the present invention；
Fig. 3 is the structural representation of cabinet of the present invention；
Fig. 4 is the structural representation of three point latch of the present invention；
Fig. 5 is the structural representation of connector of the present invention.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of low-voltage comprehensive distribution box for improving power supplying efficiency, including cabinet 1
With cabinet door 2, cabinet door 2 is arranged on cabinet 1, electric energy meter 3 is provided with cabinet 1, electric energy meter 3 is provided with end of incoming cables 31 all the way and at least
The first breaker 33 is equipped with leading-out terminal 32 all the way, end of incoming cables 31 and leading-out terminal 32, end of incoming cables 31 isolates provided with Fuse Type
Switch 34, end of incoming cables 31, which is provided with current transformer 35, cabinet 1, is provided with reactive compensation unit 4, is set in reactive compensation unit 4
There are phase splitting compensation room 41 and three-phase total compensation room 42, reactive compensation unit 4 is provided with the second breaker 43, reactive compensation unit 4
The distribution transformer terminals 5 that oriented reactive compensation unit issues control strategy are connected, distribution transformer terminals 5 are provided with collection and statistics reactive-load compensation
The acquisition chip 51 of unit operational factor, acquisition chip 51 is provided with digital signal processor 52, distribution transformer terminals 5 and Current Mutual Inductance
Device 35 is connected, and cabinet 1 is provided with Surge Protector 6, and Surge Protector 6 is not less than 6 square millimeters of ground connection provided with sectional area
Line 60.
Distribution transformer terminals 5 also include casing 53, and acquisition chip 51 is arranged in casing 53, and acquisition chip 51 is provided with RS-485
Communication interface, the control signal that reactive compensation unit 4 is issued by acquisition chip 51 realizes reactive-load compensation, RS-485 communication interfaces
On be connected with RCD, casing is provided with duplexure monitoring device, and Acquisition Processor is supervised with duplexure
Communicated between survey device by RS-485 communication interfaces, casing is externally provided with the GPRS communicators being normally connected with main website, it is remaining
The setting of current operated protective device, can get over the voltage in the distribution box of communication, electric current, current residual current value, residual current
The data such as limit event, trip event, lockout state are stored, and by the access of RS-485 communication interfaces in Acquisition Processor
On, the multimetering of RCD can be realized, the setting of duplexure monitoring device can be to each duplexure
Monitoring information stores the data such as corresponding voltage, electric current, power as a measurement point, and the setting of GPRS communicators can be protected
The normal connection of casing and main website is demonstrate,proved, during applied to places such as basements, the region of the outdoor clearing of distance farther out.
Reactive compensation unit 4 includes capacitor bank, and capacitor bank is provided with communication interface, and reactive compensation unit 4 is provided with
Overcurrent protective device or the protection device of quick-break, the switching mode of reactive compensation unit 4 use controllable silicon according to different demands
Combination switch or electromagnetic relay formula switch, reactive compensation unit 4, which should have, carries out long-range switching, compensating parameter setting, compensation
The function of record queries, sectional power factor statistics, by the contrast of capacitance current and actual Voting method, realizes electric capacity
The presence detection of device, after being cut off in specified power network, in order to meet residual voltage control within 3min in below 50V, this reality
Apply capacitor in example and use low pressure self healing capacitor, and the voltage of low pressure self healing capacitor should be chosen and be more than 1.1 times
The specified RMS voltage of system operation, and reactor is configured with capacitor bank, reactive compensation unit 4 is provided with arrester 40, energy
The damage for preventing lightning surge, operation overvoltage surge and other transient overvoltages from being caused to AC power supply system and electrical equipment
It is bad.
Concentrator 30 is connected with electric energy meter 3, is conducive to the data on operating personnel's reading power meters, the logical of data is realized
News, can improve and be connected with stand-by power supply 50 on line efficiency, distribution transformer terminals 5, can guarantee that the continuous-stable work of distribution terminal,
Stand-by power supply includes rechargeable battery set and super capacitor group, and rechargeable battery set is switched provided with the first magnetic control, super capacitor
Group is switched provided with the second magnetic control, and the first magnetic control switch and the second magnetic control switch are a pair of linked switches, energy
Realize the rapid interchangeable of rechargeable battery set and super capacitor group, it is ensured that power-off event can be uploaded in main website by Acquisition Processor,
The top of cabinet 1 is provided with thermal insulation layer 11, cabinet 1 and is connected with ventilation duct 12, and the setting of thermal insulation layer can prevent heat damages cabinet
Body, the setting of ventilation duct is conducive to the ventilation of cabinet.
Cabinet door 2 is provided with three point latch 20, and three point latch 20 includes lock housing 21 and lock core 22, and lock housing 21 is provided with close
The protection cap 23 of core is blocked, protection cap 23 includes inner cap 24 and enclosing cover 25, and inner cap 24 is arranged in lock housing 21, and enclosing cover 25 is arranged on
On inner cap 24, it is provided with cabinet 1 in the connector 7 of connecting cabinet door 2, the present embodiment and realizes that cabinet door locking exists by three point latch
On cabinet, it can realize that cabinet door is smoothly locked on cabinet, and three point latch is arranged to lock housing and lock core, and set in lock housing
There is the protection cap of sealing lock core, can realize that lock core has the function of waterproof, antirust and pick-proof, substantially increase distribution box body
Security performance, improves the service life of three point latch, protection cap is arranged into inner cap and enclosing cover, real by inner cap and enclosing cover
The duplicate protection of existing lock core, further increases anti-theft effect, and the setting of connector can realize fixation when cabinet door is opened, keep away
Cabinet door is rocked during exemption from inspection, and connector is arranged in cabinet, reduce the damage of connector.
Inner cap 24 includes upper lid 26 and lower cover 27, and lower cover 27 is fixedly connected in lock housing 21, and upper lid 26 is slidably connected at lock
Connected on shell 21, and between upper lid 26 and lower cover 27 by the location structure 8 of mutual cooperation, location structure 8 includes locating dowel 81
With positioning hole 82, one end of enclosing cover 25 is rotatably connected on lower cover 27, and the other end of enclosing cover 25 is connected on lid 26, by turning
Dynamic enclosing cover is covered to realize in enclosing cover disengaging, lid is slided in lock housing, and regulation is reliable, and security performance is higher, and positioning is tied
The setting of structure, can realize the close connection of lid and lower cover, and the locating dowel 81 is located at the top of lid 26, and locating dowel 81 to
Upper extension is extended laterally, and positioning hole 82 is located at the bottom of lower cover 27, and connection is reliable, can realize accurately positioning, it is to avoid upper lid
Transverse shakiness.
Connector 7 includes connecting rod 71 and expansion link 72, and expansion link 72 includes fixing end 73 and movable end 74, fixing end 73
It is provided with and rotates the fix bar 75 being connected with cabinet 1, one end of connecting rod 71 is connected with movable end 74, the other end of connecting rod 71
Provided with connecting hole 76, cabinet door 2 is provided with the connecting pole 29 being engaged with connecting hole 76, can realize different angles when cabinet door is opened
Regulation, connecting hole coordinates with connecting pole, can realize fixation when cabinet door is opened, the bottom and top of cabinet 1 are equipped with mounting rail
13, the top of cabinet 1 is provided with suspension ring 14, can realize that cabinet energy bottom is installed and top lifting, realize different installation environments, hang
The setting of ring, is easy to the lifting of cabinet to ensure being accurately positioned for cabinet, can realize the Fast Installation of cabinet.
During installation, by different installation environments, different mounting means are selected, bottom is installed and top lifting, used
When, when the acquisition chip 51 in distribution transformer terminals 5 receives duplexure monitoring device and detects circuit and heavy load occur, gather core
Piece 51 is by RS-485 to the lower section control signal of reactive compensation unit 4, and reactive-load compensator unit 4 is according to control signal, selection point
The mixed mode mended of the independent compensation of phase compensated chamber 41 or the independent compensation of three-phase total compensation room 42 or phase splitting compensation room 4 and three-phase total compensation room 42
Compensate, circuit is reached compensation, and the operational factor of reactive compensation unit 4 is gathered and count by acquisition chip 51, when
After distribution transformer terminals 5 have a power failure, stand-by power supply 50 is powered to acquisition chip 51 immediately makes digital signal processor 52 report immediately
Power-off event, and record power off time.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention is variously modified and deformed, and without departing from the spirit of the present invention, all should belong to appended claims of the present invention and determine
The scope of justice.
Claims (10)
1. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency, including cabinet (1) and cabinet door (2), cabinet door (2) are arranged on cabinet
(1) on, electric energy meter (3) is provided with cabinet (1), it is characterised in that：Electric energy meter (3) is provided with all the way end of incoming cables (31) and at least one
The first breaker (33) is equipped with road leading-out terminal (32), end of incoming cables (31) and leading-out terminal (32), end of incoming cables (31) are provided with molten
Disconnected formula disconnecting switch (34), end of incoming cables (31), which are provided with current transformer (35), cabinet (1), is provided with reactive compensation unit (4),
Reactive compensation unit (4) is provided with phase splitting compensation room (41) and three-phase total compensation room (42), and reactive compensation unit (4) is provided with second
The distribution transformer terminals (5) that oriented reactive compensation unit issues control strategy are connected in breaker (43), reactive compensation unit (4), are matched somebody with somebody
Transformer terminals (5) are set provided with the acquisition chip (51) for gathering and counting reactive compensation unit operational factor, acquisition chip on (51)
There is digital signal processor (52), distribution transformer terminals (5) are connected with current transformer (35), cabinet (1) is provided with Surge Protector
(6), Surge Protector (6) is not less than 6 square millimeters of ground wire (60) provided with sectional area.
2. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency according to claim 1, it is characterised in that：Reactive-load compensation
Unit (4) is provided with arrester (40).
3. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency according to claim 1, it is characterised in that：Electric energy meter
(3) concentrator (30) is connected with.
4. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency according to claim 1, it is characterised in that：Distribution transformer terminals
(5) stand-by power supply (50) is connected with.
5. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency according to claim 1, it is characterised in that：Cabinet (1)
Top be provided with thermal insulation layer (11), be connected with ventilation duct (12) on cabinet (1).
6. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency according to claim 1, it is characterised in that：Cabinet door (2)
Three point latch (20) is provided with, three point latch (20) includes lock housing (21) and lock core (22), and lock housing (21) is provided with sealing
The protection cap (23) of lock core, protection cap (23) includes inner cap (24) and enclosing cover (25), and inner cap (24) is arranged in lock housing (21), outside
Lid (25) is arranged on inner cap (24), and the connector (7) of connecting cabinet door (2) is provided with cabinet (1).
7. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency according to claim 6, it is characterised in that：Inner cap (24)
Including upper lid (26) and lower cover (27), lower cover (27) is fixedly connected in lock housing (21), and upper lid (26) is slidably connected at lock housing
(21) connected on, and between upper lid (26) and lower cover (27) by the location structure (8) of mutual cooperation, location structure (8) includes
Locating dowel (81) and positioning hole (82), one end of enclosing cover (25) are rotatably connected on lower cover (27), the other end card of enclosing cover (25)
It is connected on lid (26).
8. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency according to claim 7, it is characterised in that：The positioning
Post (81) is located at the top of lid (26), and locating dowel (81) is upwardly extended or extended laterally, and positioning hole (82) is located at lower cover
(27) bottom.
9. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency according to claim 6, it is characterised in that：Connector
(7) connecting rod (71) and expansion link (72) are included, expansion link (72) includes fixing end (73) and movable end (74), fixing end (73)
It is provided with and rotates the fix bar (75) being connected with cabinet (1), one end of connecting rod (71) is connected with movable end (74), connecting rod
(71) the other end is provided with connecting hole (76), and cabinet door (2) is provided with the connecting pole (29) being engaged with connecting hole (76).
10. a kind of low-voltage comprehensive distribution box for improving power supplying efficiency according to claim 1, it is characterised in that：Cabinet (1)
Bottom and top be equipped with mounting rail (13), the top of cabinet (1) is provided with suspension ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213997.2A CN107017642B (en) | 2017-04-01 | 2017-04-01 | Low-voltage comprehensive distribution box capable of improving power supply efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213997.2A CN107017642B (en) | 2017-04-01 | 2017-04-01 | Low-voltage comprehensive distribution box capable of improving power supply efficiency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107017642A true CN107017642A (en) | 2017-08-04 |
| CN107017642B CN107017642B (en) | 2023-09-01 |
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ID=59445884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710213997.2A Active CN107017642B (en) | 2017-04-01 | 2017-04-01 | Low-voltage comprehensive distribution box capable of improving power supply efficiency |
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| Country | Link |
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| CN (1) | CN107017642B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490991A (en) * | 2017-09-13 | 2017-12-19 | 广西电网有限责任公司电力科学研究院 | A kind of isolator operating mechanism intelligence control system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN204966980U (en) * | 2015-08-23 | 2016-01-13 | 邵云蛟 | Block terminal wiring system is synthesized to low pressure |
| CN206640320U (en) * | 2017-04-01 | 2017-11-14 | 国家电网公司 | A kind of low-voltage comprehensive distribution box |
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| CN101710709A (en) * | 2009-11-27 | 2010-05-19 | 重庆市电力公司永川供电局 | Reactive power compensation integrated box of low-voltage distribution transformer |
| CN202231318U (en) * | 2011-09-14 | 2012-05-23 | 渭南供电局 | Multifunctional low voltage distribution box |
| CN203660664U (en) * | 2013-11-13 | 2014-06-18 | 国家电网公司 | Comprehensive distribution box integrating protection, measurement and control |
| CN204442008U (en) * | 2014-11-30 | 2015-07-01 | 国家电网公司 | A kind of intelligent type low-voltage comprehensive distribution cabinet |
| CN204290066U (en) * | 2014-12-25 | 2015-04-22 | 国家电网公司 | Low-voltage comprehensive distribution box wiring system |
| CN104577765A (en) * | 2014-12-25 | 2015-04-29 | 贵州天能电力高科技有限公司 | Reactive power compensation cabinet provided with two doors |
| CN204835233U (en) * | 2015-07-01 | 2015-12-02 | 扬州新扬开关设备有限公司 | Comprehensive block terminal of area compensation |
| CN204966980U (en) * | 2015-08-23 | 2016-01-13 | 邵云蛟 | Block terminal wiring system is synthesized to low pressure |
| CN204905877U (en) * | 2015-08-31 | 2015-12-23 | 国网安徽省电力公司经济技术研究院 | Mountain area low voltage distribution system with reactive compensation function |
| CN206640320U (en) * | 2017-04-01 | 2017-11-14 | 国家电网公司 | A kind of low-voltage comprehensive distribution box |
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| CN107490991A (en) * | 2017-09-13 | 2017-12-19 | 广西电网有限责任公司电力科学研究院 | A kind of isolator operating mechanism intelligence control system |
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| CN107017642B (en) | 2023-09-01 |
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