Under normal circumstances, naval vessel is stopped behind harbour, it is necessary to close main frame and start the accessory system that carries to meet on ship
Power demands.However, the fuel of auxiliary power supply system is mostly second-rate heavy oil, substantial amounts of pollution can be discharged after burning
Thing, serious influence is caused to the environment on harbour periphery；Also, auxiliary power supply system can also make a noise, harbour periphery is influenceed
Resident and ship's staff work, life and rest.
As country is to port environment protection and the attention of energy-saving and emission-reduction, one kind is turned into using bank electricity electric power system at harbour
Trend.Bank electricity electric power system is that the naval vessel for resting in harbour powers typically using power supply on the bank, realizes " replacing oil by electricity ", greatly
Operation cost for reduce the air pollution emission at harbour greatly, improving the environment at harbour and reduce naval vessel etc..
It is harbour transformer station and naval vessel bank electricity interactive portion and shore connection box is the chief component of bank electricity electric power system
Tie point, is that harbour is the visual plant that naval vessel powers.According to the difference connect electrically, shore connection box can be divided into exchange shore connection box again
With alternating current-direct current shore connection box.
However, existing exchange shore connection box generally be present, such as：1st, component excessive in case causes in case
Connecting line is excessive, causes the interior ventilation of case not smooth, makes component not easy heat radiation, greatly reduce service life.2nd, some shore connection boxs
Higher is required to degree of protection, and existing shore connection box can not meet higher degree of protection requirement.3rd, existing shore connection box
The layout of interior cable and electrical part is not easy to maintain, operated.
Therefore, a kind of new exchange standard shore connection box is sought.
Utility model content
In consideration of it, a purpose of the present utility model is to solve electric elements in shore connection box easy heat radiation and not require bank electricity
Case has the technical problem of high-protection level.
In order to solve the above technical problems, the utility model employs following technical scheme.
On the one hand, the utility model discloses a kind of exchange standard shore connection box, including mounting rail, base, positioned at base
On casing and case top；Wherein, the inside of casing includes operation of electrical appliances room and cable vault；Set between operation of electrical appliances room and cable vault
Dividing plate is equipped with, for installing electric elements；Wherein, the bottom of casing, the back door of casing and case top are designed to double-decker, shape
Into the aeration structure of Heterogeneous Permutation.
In one embodiment, the bottom of the casing includes the first bottom plate and the second bottom plate；It is provided with first bottom plate
The second air vent is provided with first air vent, the second bottom plate；It is air purifying room between first bottom plate and the second bottom plate, wherein
First air vent and the second air vent constitute the aeration structure of Heterogeneous Permutation with air purifying room.
In one embodiment, the case top includes upper plate, lower roof plate and lath；Wherein between upper plate and lower roof plate
For interlayer, the edge of lower roof plate is provided with the air vent of Heterogeneous Permutation.
In one embodiment, the back door of the casing includes back door part and patch portion, the back door part and lining
Plate part is respectively arranged with air vent, in two layer of space Heterogeneous Permutation.
In one embodiment, the air vent of the back door part and patch portion has outstanding blade, described
Outstanding blade is configured to downward.
In one embodiment, cable vault is located at the rear side of casing, and operation of electrical appliances room is located at the front side of casing；Wherein, institute
State cable vault including bus, the insulator of supporting bus, the current transformer being connected on bus, the first circuit brake,
Ground wire row, zero line row and supporting construction；The operation of electrical appliances room includes display unit, output indication instrument and second circuit protection
In one embodiment, it is provided with alternating electromotive force connector body below the operation of electrical appliances room；With the friendship
The corresponding independent operation of electrical appliances room of each output loop of flow standard shore connection box and alternating electromotive force connector body.
In one embodiment, first circuit brake includes secondary miniature circuit breaker and miniature circuit breakers；It is described
Second circuit protection device is breaker of plastic casing, and its end of incoming cables is connected to bus, and leading-out terminal is connected by flexible cable and alternating electromotive force
Connect the connection of device socket.
In one embodiment, the exchange standard shore connection box includes 4 independent operation of electrical appliances rooms and 1 first by electrical equipment
The shared cable vault of part.
In one embodiment, the exchange standard shore connection box is four loops exchange shore connection box.
Exchange standard shore connection box described in the utility model has the beneficial effect that：
1st, the bottom of casing, case top, the aeration structure design of the double-deck Heterogeneous Permutation at the back door of casing had both met ventilation
The requirement of radiating, while having higher degree of protection again.
2nd, shared cable vault and independent operation of electrical appliances cell structure cause easy for installation, it is easy to repair, and can be simultaneously
For many ships chargings.
3rd, exchange standard shore connection box of the present utility model may be either four loop shore connection boxs, be further extended to two loop bank electricities
4th, exchange standard bank electricity case apparatus described in the utility model is applied to working frequency 50HZ, rated operational voltage
220v/380V three-phase alternating current distribution system, standard bank electricity interface quickly, safe can be provided for the naval vessel that pulls in shore, warship is realized
Ship point cable is powered the functions such as metering, electricity consumption data automatic data collection and charging control.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to illustrate
The utility model, and should not be construed as limiting of the present utility model.
The utility model discloses a kind of exchange standard shore connection box.Fig. 1 is shown according to one of the present utility model implementation
The front view of the exchange standard shore connection box of example.As shown in figure 1, exchange standard shore connection box is by mounting rail 1, base 2, casing 3 and case
Top 4 is constituted.Wherein, mounting rail 1, base 2 can preferably use stainless steel channel-section steel, and the shell of casing 3 and case top 4 can preferably be used
High-quality stainless steel plate.
In the utility model, gravity-flow ventilation radiating mode is used in shore connection box.Specifically, the utility model passes through right
The special construction design of the bottom of casing 3, case top 4 and shore connection box back door, realizes the good convection current of air.
First, it is noted that power turns to Fig. 6-7B.Wherein, Fig. 6 shows the bottom view of casing 3, and Fig. 7 A-7B show case
The schematic diagram of body bottom ventilation pore structure.From Fig. 7 A-7B, the bottom of casing is arranged to double walled floor structure, including
One bottom plate 7100 and the second bottom plate 7200.Wherein, the first ledge 7110, the first protuberance are provided with the first bottom plate 7100
Points 7110 form the first air vent 7101 with the first bottom plate 7100；The second ledge 7220 is provided with second bottom plate 7200,
Second ledge 7220 and the second bottom plate 7200 the second air vent 7202 of formation；First bottom plate 7100 and the second bottom plate 7200
Between be air purifying room 7300.It should be pointed out that the first air vent 7101 and the second air vent 7202 and air purifying room 7300
Constitute the ventilating air passage of Heterogeneous Permutation.It should be appreciated that at work, air is from the first and/or second ledge 7110,7220
Both sides pass in and out the first and/or second air vent 7101,7202.Typically, the second bottom plate 7200 is also referred to as bottom plate ventilating board
6000.In other words, in the present embodiment, the first bottom plate 7100 is logical except being provided with the second bottom plate 7200 in corresponding position
Outside air holes, elsewhere and in the absence of air vent.Certainly, according to actual conditions, alternative is feasible.This double walled floor
The design of the ventilation hole structure of Heterogeneous Permutation had both realized the good convection current of air, while also making casing 3 have higher protection
In addition, the bottom of casing 3 is additionally provided with inlet wire cable aperture 6400.In the present embodiment, inlet wire cable aperture 6400
Quantity is 4, and two are that one group of first bottom plate 7100 for being located at bottom half does not set the side of air vent, and are located at bottom plate axis
Both sides.It should be appreciated that the quantity of inlet wire cable aperture, spread pattern and position can change according to actual needs.
Fig. 3 shows the rearview of the exchange standard shore connection box according to the utility model one embodiment.Fig. 4 is according to this
The back door schematic diagram of utility model one embodiment.As seen from Figure 3, the rear side of casing 3 has back door 3000.In the present embodiment
In, the quantity at back door is 2.Certainly, as needed, other quantity is also feasible.Door lock is installed on each back door 3000
3100th, it is fixed with sign (such as label) 3200 and is provided with warning mark (for example having electric danger) (referring to Fig. 3-4).
Similar to the bottom of casing 3, back door 3000 is also set to double plate structure, by back door part 5100 and patch portion
5200 compositions.It for details, reference can be made to Fig. 5 A-5B.Wherein, the size of patch portion 5200 is less than back door part 5100.Back door part
5100 and patch portion 5200 be respectively arranged with air vent.Wherein, the air vent 5202 of patch portion 5200 is (in fig. 5 with reality
Line is represented) it is arranged in matrix in the center section of liner plate, the air vent 5102 that then rectangular of door section 5100 is arranged
(being represented by dashed line in fig. 5) is located at the both sides at back door so as to when rear door portion point 5100 and patch portion along y direction
5200 air vents 5102 when being installed together are located in liner plate.The region that back door part 5100 is not provided with air vent is encoded with " having
The warning mark of electric danger ", referring to Fig. 3-4.
As illustrated, the outstanding blade of air vent 5102,5202 is downward so that shore connection box is exempted under sleety weather
In water inlet.
Thus, the ventilation hole structure of double-deck dislocation is made up of back door part 5100 and patch portion 5200, bank is formd
The dislocation ventilation at electronic box back door is not intake ventilating duct.
It is the case top schematic diagram according to one embodiment of the present utility model referring to Fig. 8.As shown in figure 8, case top 4,
It is made up of upper plate 8100 and lower roof plate 8200, lath 8300.Wherein, it is interlayer between upper plate 8100 and lower roof plate 8200
8400, the interlayer 8400 is thermal insulation layer, prevents the sun from directly shining box cover.Lower roof plate 8200 is provided with air vent 8201, excellent
Its edge of selection of land is provided with the air vent 8202 of Heterogeneous Permutation.In one embodiment, a part for lath 8300 is located at interlayer
In 8400, the air vent 8202 of Heterogeneous Permutation is formed；Another part of lath 8300 is located on lower roof plate 8200.Generally, casing 3
Internal air is by the air vent 8201 on lower roof plate 8200, by interlayer 8400, and the air vent for passing through Heterogeneous Permutation
Realize cross-ventilation in 8202 (i.e. tip cap edge eaves holes).Designed by case top of the present utility model, heat-insulated, insulation can be achieved and anti-condensation
The functions such as dew drippage.
Referring back to Fig. 1-3.From Figure 2 it can be seen that being made up of inside casing 3 operation of electrical appliances room 22 and cable vault 24.Electrical equipment is grasped
Make to be provided with dividing plate 26, preferably metal partion (metp) between room 22 and cable vault 24, it is also the installing plate of electric elements.It should refer to
Go out, the aluminizing zine plate that dividing plate/installing plate 26 is preferred to use high-quality assembles, with good antiseptic property.
Referring to Fig. 1-2, in the present embodiment, there are 4 independent operation of electrical appliances rooms 22, be sequentially arranged in before casing 3
Side.Each operation of electrical appliances room 22 is provided with the breaker of plastic casing 2220 for protection circuit, optionally with electric energy metrical and meter
Take the intelligent electric meter 2222 and optional output indication supervisory instrument of control.In addition, each operation of electrical appliances room 22 has respective
Respective lockset 1111 and indicator lamp 1112 are provided with wicket 1100, i.e. casing front door, the outside at each front door 1100,
Optional metering device such as DC ammeter or voltmeter 1121 are provided with the inner side at each front door.
The lower section (immediately below preferably) of operation of electrical appliances room 22 is provided with input-output apparatus such as alternating electromotive force connector and inserted
Seat 28.Wherein, the independent operation of electrical appliances room 22 of each output loop correspondence of exchange standard shore connection box and alternating electromotive force connector
The alternating electromotive force connector 1114 of socket 28/.Generally, electric connector 1114 is provided with maloperation protector and Position change switch,
The function that selective circuit breaker trip when maloperation protection and many cable parallel operations can be achieved is protected, improves the safety of power supply
Property and reliability.In addition, warning mark 1113 is provided with power cable connector 1114, to play the effect for reminding safety.
It should be pointed out that control, each electric connector can be provided separately for each cable connector 1114 in independent operation of electrical appliances room 22
1114 can be a ships charging.That is, in one embodiment, exchange standard shore connection box can fill for many ships simultaneously
Referring to Fig. 2, cable vault 24 is shared close to the rear side of casing 3 by electric elements, is that electric connector 1114 is provided
Power supply.Wicket (back door) is provided with outside cable vault 24, the structure at back door is as described above.
From Fig. 2-3, cable vault 24 includes main bus rod 2404, branch bar 2405, supports main bus rod
2404 insulator 2408, the current transformer 2402 being connected with branch bar 2405, secondary miniature circuit breaker 2406, ground wire row
2410th, zero line row 3001.Cable vault 24 also includes support 2412；With auxiliary output miniature circuit breakers 2414, for providing 380V's
Stand-by power supply.Wherein, main bus rod 2404, branch bar 2405, insulator 2408, current transformer 2402 are located at cable vault
24 top, auxiliary output miniature circuit breakers 2414, arrange 2410, zero-emission 3001 be located at cable vault 24 lower section.It is secondary miniature disconnected
Road device is located at the center section of cable vault 24, and is located substantially at the position corresponding with breaker of plastic casing 2220.In addition, by Fig. 2
It can be seen that, bus 2404,2405, the summation current transformer 2402 of insulator 2408 are located substantially at corresponding with intelligent electric meter 2222
Position.Support main bus rod 2404 insulator 2408, arrange 2410 by support 2412 be arranged on dividing plate 26 on；It is miniature disconnected
Road device 2406 is mounted directly on dividing plate 26.It is three-phase per primary Ioops, wherein having current transformer 2402 respectively.Work as loop
During for alternating current, provided by the current transformer 2402 installed on bus to the output indication supervisory instrument 1121 on front door
It should be pointed out that second protection miniature circuit breaker 2406 all can be set in each loop, to be relay indicating light 1112
And automatic trip control provides protection.Wherein, the side of miniature circuit breaker 2406 is connected with bus, and opposite side passes through electrically connected
The Position change switch of device 1114 and the auxiliary contact of intelligent electric meter 2222 are connected with relay indicating light 1112.Work as electric connector
1114 when being reliably connected and inserting ammeter, and relay indicating light 1112 is lighted so that breaker of plastic casing 2220 carries out closing operation.This
Outside, when miniature circuit breaker 2406 is off, the control lock function of intelligent electric meter 2222 will be shielded and operation of electrical appliances is closed
The relay indicating light 1112 at the front door of room 22.
In one embodiment, inlet wire cable from harbour transformer station be brought out after from bottom half inlet wire cable aperture 6400
(see Fig. 6) enters rear side cable vault 24, is connected to main bus bar 2404, and each loop plastic housing open circuit is connected to through branch bar 2405
The end of incoming cables 2220a of device 2220, the leading-out terminal 2220b of breaker of plastic casing is directly connected to through flexible cable 2224 to be grasped positioned at electrical equipment
Make the power cable connector socket 28 of the lower section of room 22 (see Fig. 2).The zero line of power cable connector socket 28 is connected by flexible cord
The ground wire being connected in zero line row 3001, shore connection box is connected to ground wire row 2410.
User can operate exchange standard shore connection box described in the utility model to be charged according to following description：Stop on naval vessel
Reach port when being charged after mouth, it is first determined breaker of plastic casing 2220 is in open position in shore connection box, then by naval vessel
Power connector plug is locked on the electric connector socket 28 of shore connection box, and electric card is inserted on intelligent electric meter 2222, then
By the handle wrench of breaker of plastic casing 2220 to closing position so as to carry out AC charging.
It should be pointed out that in one embodiment, exchange standard shore connection box described in the utility model is four loop shore connection boxs.
In another embodiment, exchange standard shore connection box of the present utility model is two loop shore connection boxs.
The utility model is not limited to above-mentioned embodiment, and those skilled in the art can be according to the utility model
Teaching to the utility model, various modifications and variations can be made.All such modifications and variations all should fall protects of the present utility model
Within the scope of shield.Although most preferred embodiment of the present utility model is shown in the drawings, in actual applications, in order to obtain this
All or some advantage of utility model, the utility model not necessarily includes all features having shown that completely.Therefore, this practicality
The most preferred embodiment that new protection domain should not be disclosed in the utility model determines, and should be according to appended claims
The content of book is determined.