CN208522335U

CN208522335U - A kind of inverter box change all-in-one machine

Info

Publication number: CN208522335U
Application number: CN201821230192.5U
Authority: CN
Inventors: 徐青亚; 宋俊丽; 王升升; 葛淑娜
Original assignee: Henan Senyuan Electric Co Ltd
Current assignee: Henan Senyuan Electric Co Ltd
Priority date: 2018-08-01
Filing date: 2018-08-01
Publication date: 2019-02-19
Anticipated expiration: 2028-08-01

Abstract

The utility model relates to a kind of inverter boxes to become all-in-one machine, it includes pedestal that the inverter box, which becomes all-in-one machine, left side on pedestal is fixedly installed the transformer storehouse of closed box structure, transformer is arranged in storehouse in transformer, right side on pedestal is fixedly installed the inverter canopy of Open architecture, outdoor type inverter is set in inverter canopy, bottom in inverter canopy, which is provided with, protects housing for the cabling including the low pressure connecting wire connected between transformer and outdoor type inverter protection, this structure design, transformer and its attachment are arranged to the upper left of pedestal, the most of space in right side can be vacated in this way carrys out the biggish outdoor type inverter of installation volume, and tranformer protection structure and outdoor type inverter structure are provided separately, for outdoor type inverter, the inverter canopy that Open architecture is specially arranged protects structure, in this way, both It is able to achieve the protection to inverter, moreover it is possible to meet the cooling requirements of outdoor type inverter.

Description

A kind of inverter box change all-in-one machine

Technical field

The utility model relates to photovoltaic controller switching equipment fields, specifically design a kind of inverter box change all-in-one machine.

Background technique

With the fast development of national economy, energy resource structure construction in China's is constantly progressive, wherein photovoltaic power generation is clear because of it Clean, safe and reliable advantage and proportion is increasing in new energy structure.

In photovoltaic plant, header box is passed through by the electric current that photovoltaic panel generates, inverter is transported to, by straight in inverter Galvanic electricity becomes alternating current, the boosting then through preassembled transformer station (case change), to concentration booster stations, then grid-connected use.Wherein, As in photovoltaic power transmission and distribution important equipment preassembled transformer station (case change) and inverter generally use form arranged apart, but It is that this arrangement not only results in taking up a large area for photovoltaic plant, and the connection in entire photovoltaic plant also can It is more complicated.

In view of the above-mentioned problems, an Authorization Notice No. is CN207183901U, entitled container type inversion boosting one The Chinese patent that case becomes discloses a kind of integrated box change, and it includes a container which, which becomes, and the space in container is divided For left, center, right three parts, respectively hyperbaric chamber, transformer room and low-pressure chamber, transformer is located in the pressure change chamber of middle part, transformer High-voltage terminal and low voltage terminal are located at the left and right sides of transformer, corresponding with hyperbaric chamber and low-pressure chamber, and inverter There are two, two inverters are respectively positioned in low-pressure chamber.The integrated box becomes, and transformer and inverter setting are structure as a whole, solved It has determined the problem that occupation area of equipment is big caused by being provided separately because of inverter and transformer, still, which becomes main suitable For small volume, cooling requirements are not high, and the indoor type inverter of radiating requirements can be only met with blower heat exchange, is not suitable for Larger in volume, cooling requirements outdoor type inverters.

Utility model content

The purpose of this utility model is to provide a kind of inverter boxes to become all-in-one machine, is become with solving integrated box in the prior art The problem of can not being suitable for the outdoor type inverter that volume is larger, cooling requirements are high.

To achieve the above object, a kind of inverter box of the utility model, which becomes the technical solution of all-in-one machine, is: a kind of inverter Case becomes all-in-one machine, and including pedestal and the transformer being fixed on the base, inverter, there is transformer high-voltage terminal and low pressure to connect The low voltage terminal of line end, transformer is connected with inverter, and the left side on pedestal is fixedly installed the transformation of closed box structure Device storehouse, the right side on pedestal are fixedly installed the inverter canopy of Open architecture, and inverter canopy includes top cover and support top cover Pillar, forms the open space communicated with the outside world between pillar, and the inverter is that the outdoor type that is set in inverter canopy is inverse Become device, the low voltage terminal of the transformer is connected by low pressure connecting wire with inverter；Bottom in the inverter canopy It is provided with cabling protection housing, the part that the low pressure connecting wire is pierced by from transformer storehouse is covered at the cabling protective cover In shell.

The inverter box of the utility model becomes all-in-one machine, will in order to meet the installation and heat dissipation of large-scale outdoor type inverter Pedestal upper space is divided into left and right two parts, and the transformer storehouse of sealed body structure is arranged in left side, and transformer and its attachment are equal It is mounted in transformer room, the inverter canopy of Open architecture is arranged in right side, and outdoor type inverter is this in inverter canopy Structure setting, on the one hand, transformer and its attachment are arranged to the upper left of pedestal, it is most of that right side can be vacated in this way The biggish outdoor type inverter of installation volume is carried out in space, on the other hand, by tranformer protection structure and outdoor type inverter structure It is provided separately, for outdoor type inverter, the inverter canopy that Open architecture is specially arranged protects structure, in this way, being both able to achieve Protection to inverter, moreover it is possible to meet the cooling requirements of outdoor type inverter.

Rear is separated into left chamber and right chamber two chambers by partition inside the transformer storehouse, and the transformer is located at In the right chamber, the left chamber is hyperbaric chamber, and the high-voltage terminal of transformer is located at the left side of transformer and and hyperbaric chamber The bushing of interior setting connects, and front position corresponding with transformer is low-pressure chamber inside transformer storehouse, the low pressure connection Conducting wire is located in the low-pressure chamber, the low voltage terminal of transformer be located at transformer front side so that with the low pressure connecting wire Connection.

Servant's well towards ground is provided with inside the transformer storehouse in front space.

Front position corresponding with hyperbaric chamber is maintenance room on the inside of the transformer storehouse, and servant's well location is in the maintenance It is indoor.

The low-pressure chamber and maintenance room communicate with each other so that staff is round-trip between the chambers.

The part that the low pressure connecting wire is connect with low voltage terminal is low-voltage busbar, is additionally provided in low-pressure chamber by institute It states low pressure connecting wire and is located at the interior protective cover accidentally touched to avoid staff.

The cabling protection housing is in the crack between transformer storehouse and outdoor type inverter.

Detailed description of the invention

Fig. 1 is that the inverter box of the utility model becomes the main view of all-in-one machine；

Fig. 2 is that the inverter box of the utility model becomes the right view of all-in-one machine；

Fig. 3 is that the inverter box of the utility model becomes the left view of all-in-one machine；

Fig. 4 is the section view that the inverter box of the utility model becomes the top view of all-in-one machine；

Fig. 5 is the section view that the inverter box of the utility model becomes the main view of all-in-one machine；

In figure: 1, pedestal；2, transformer storehouse；3, inverter canopy；31, pillar；32, top cover；4, outdoor type inverter；5, it pads Block；6, cabling protects housing；61, front baffle；62, rear bulkhead；63, upper spacer；7, transformer；8, bushing；9, arrester； 10, pillar is shown；11, high-tension cable hole；12, earthing bar；13, access panel；14, low-voltage distribution cabinet；15, low pressure connection is led Line；151, low-voltage busbar；16, protective cover；161, left and right partition；162, front and back partition.

Specific embodiment

The embodiments of the present invention is described further with reference to the accompanying drawing.

A kind of inverter box of the utility model becomes the specific embodiment 1 of all-in-one machine, as shown in Figures 1 to 5, including pedestal 1, the upper left of pedestal 1 is fixedly installed the transformer storehouse 2 of closed box structure, and it is inverse that upper right is fixedly installed outdoor type Become device 4, transformer storehouse 2 and outdoor type inverter 4 or so are set side by side.

The right side of pedestal 1 is further fixedly arranged on the inverter canopy 3 of Open architecture, and the inverter canopy 3 includes top cover 32 With the pillar 31 of support top cover, the open space communicated with the outside world is formed between pillar, the outdoor type inverter 4 is arranged inverse The lower section for becoming device canopy 3, so that inverter canopy 3 can block the top of outdoor type inverter 4.

The inside rear in the transformer storehouse 2 is separated into left chamber and right chamber two chambers by partition, pacifies in right chamber Equipped with transformer 7, left chamber is hyperbaric chamber A, the high-voltage terminal of transformer 7 be located at the left side of transformer and with set in hyperbaric chamber The bushing 8 set connects.

The bushing 8 is located at the middle part in hyperbaric chamber, and the top of bushing 8 is provided with display pillar in hyperbaric chamber 10, display screen (not shown) connect with display pillar, display pillar 10 and high pressure are provided in the outside wall surface in hyperbaric chamber Casing 8 connects.Display screen obtains power supply, together by showing that pillar 10 is connect with bushing 8 from bushing 8 When again by the voltage on bushing 8 show for operator read.

Arrester 9 is additionally provided in the lower section of bushing 8 in hyperbaric chamber.The bottom in hyperbaric chamber be provided with earthing bar 12 with And towards the high-tension cable hole 11 of ground, when in use, high voltage cable passes through height after connecting by high voltage bus with bushing 8 Voltage cable hole 11 enters in ground.

2 inside front of transformer storehouse position corresponding with transformer 7 is low-pressure chamber B, and the low voltage terminal of transformer 7 is located at The front side of transformer is simultaneously connect with the low pressure connecting wire 15 being arranged in low-pressure chamber B, wherein low pressure connecting wire 15 and low pressure The part of terminals connection is low-voltage busbar 151, therefore in the front side of low pressure connecting wire 15 setting plate face along left and right in low-pressure chamber The left and right partition 161 that direction extends, in the left side of low pressure connecting wire 15, setting plate face extends front and back partition along the longitudinal direction 162, left and right partition 161, front and back partition 162, the rear wall of low-pressure chamber and low-pressure chamber right side wall surround jointly and connect low pressure It connects conducting wire and is located at the interior protective cover 16 accidentally touched to avoid staff.

The left side of protective cover 16 is also provided with low-voltage distribution cabinet 14 in low-pressure chamber B, by low-voltage distribution cabinet 14 The instrument of each signal acquisition data in side is shown, can be preferably monitored to the operation of whole transformer station.

2 inside front of transformer storehouse position corresponding with hyperbaric chamber A is maintenance room C, and the bottom of maintenance room C, which is provided with, to be led to Servant's well of ground is provided with the access panel 13 for blocking servant's well well head at the well head of servant's well.Overhaul room C and low-pressure chamber Between unused partition separate so that maintenance room C communicate with low-pressure chamber B so that operator is round-trip between the chambers.

The other end of the low pressure connecting wire 15 passes through the right side shell wall and the outdoor type inverter 4 in transformer storehouse 2 Left side connection, the bottom in the inverter canopy 3 is provided with cabling protection housing 6, and low pressure connecting wire 15 is from transformer storehouse 2 The part being pierced by is covered in cabling protection housing 6, cabling protection housing 6 be located at transformer storehouse 2 and outdoor type inverter 4 it Between crack in.In the present embodiment, plate face or so is respectively arranged in 15 front and rear sides of low pressure connecting wire on the pedestal and is prolonged The upper end of the front baffle 61 and rear bulkhead 62 stretched, front baffle 61 and rear bulkhead 62 is connected by upper spacer 63, front baffle 61, after every It is interior that plate 62, upper spacer 63 cooperate the outer wall of transformer storehouse 2 and outdoor type inverter 4 to be located at low pressure connecting wire 15, is formed The cabling protects housing 6.

In addition, for the ease of the connection of outdoor type inverter 4 and low pressure connecting wire 15, it is using cushion block 5 that outdoor type is inverse It is padded to become device 4.In the present embodiment, the cushion block 5 uses channel steel.

The inverter box of the utility model becomes all-in-one machine in actual use, and the direct current collected through header box is through ground Under pre-buried wire-passing tube, from outdoor type inverter 4 from lower section cable aperture at enter outdoor type inverter 4, passing through outdoor type Direct current becomes alternating current after inverter 4 converts.Housing 6 is protected by cabling, electric current is introduced low pressure by low pressure connecting wire 15 Room B enters in transformer 7 in low-pressure chamber B by the connection of low-voltage busbar 151, in transformer 7, turns by different coils Change, high-voltage electricity is converted by low pressure.In the A of hyperbaric chamber, the alternating current after boosting is connect by bushing 8 with high voltage bus, And high voltage bus can be connect with high-tension cable, case is entered from the lower section hyperbaric chamber A high-tension cable hole 11 becomes ground, and then enters Junior's power grid.

In addition, transformer, hyperbaric chamber and the low-pressure chamber in transformer storehouse are designed as triangle disposition arrangement, so that case becomes Internal unit and outdoor type inverter are rationally arranged, realize type inverter outdoors and case change be wholely set on the basis of reduce The purpose of occupation area of equipment.

The inverter box of the utility model becomes the specific embodiment 2 of all-in-one machine and the difference of specific embodiment 1 is: servant The front side in hyperbaric chamber is arranged in well and low-voltage distribution cabinet transposition, low-voltage distribution cabinet, and transformer is arranged in servant's well Front side.

The inverter box of the utility model becomes the specific embodiment 3 of all-in-one machine and the difference of specific embodiment 1 is: low pressure The coupling part of indoor low pressure connecting wire and low voltage terminal does not use low-voltage busbar, and uses the low pressure with insulating layer female Line, in this way, can not be set in low-pressure chamber by the housing including the protection of low pressure connecting wire.

Claims

1. a kind of inverter box becomes all-in-one machine, including pedestal and the transformer being fixed on the base, inverter, transformer has height Crimping line end and low voltage terminal, the low voltage terminal of transformer are connected with inverter, and the left side on pedestal is fixedly installed envelope Close the transformer storehouse of body structure, it is characterised in that: the right side on pedestal is fixedly installed the inverter canopy of Open architecture, inverse Become the pillar that device canopy includes top cover and support top cover, forms the open space communicated with the outside world between pillar, the inverter is The low voltage terminal of the outdoor type inverter being set in inverter canopy, the transformer passes through low pressure connecting wire and inverter It is connected；Bottom in the inverter canopy is provided with cabling protection housing, what the low pressure connecting wire was pierced by from transformer storehouse Part is covered in the cabling protection housing.

2. inverter box according to claim 1 becomes all-in-one machine, it is characterised in that: inside the transformer storehouse rear by every Plate is separated into left chamber and right chamber two chambers, and the transformer is located in the right chamber, and the left chamber is hyperbaric chamber, The high-voltage terminal of transformer is located at the left side of transformer and connect with the bushing being arranged in hyperbaric chamber, inside transformer storehouse Front position corresponding with transformer is low-pressure chamber, and the low pressure connecting wire is located in the low-pressure chamber, the low pressure of transformer Terminals are located at the front side of transformer and then connect with the low pressure connecting wire.

3. inverter box according to claim 2 becomes all-in-one machine, it is characterised in that: front space inside the transformer storehouse In be provided with servant's well towards ground.

4. inverter box according to claim 3 becomes all-in-one machine, it is characterised in that: front and height on the inside of the transformer storehouse The corresponding position of pressure chamber is maintenance room, and servant's well location is indoor in the maintenance.

5. inverter box according to claim 4 becomes all-in-one machine, it is characterised in that: the low-pressure chamber and maintenance room phase each other It passes to round-trip between the chambers for staff.

6. inverter box described in any claim becomes all-in-one machine in -5 according to claim 1, it is characterised in that: the low pressure The part that connecting wire is connect with low voltage terminal is low-voltage busbar, is additionally provided in low-pressure chamber by the low pressure connecting wire cover The protective cover accidentally touched in being located to avoid staff.

7. inverter box described in any claim becomes all-in-one machine in -5 according to claim 1, it is characterised in that: the cabling Protect housing in the crack between transformer storehouse and outdoor type inverter.