CN212046927U

CN212046927U - Box-type charging station

Info

Publication number: CN212046927U
Application number: CN202020009597.7U
Authority: CN
Inventors: 张宝银; 房玉杰; 何文元; 李星; 张科; 方帅; 袁铨; 胡明智; 侯振华; 杨炜
Original assignee: Tebian Electric Apparatus Stock Co Ltd; TBEA Intelligent Electric Co Ltd; TBEA Beijing Tianjin Hebei Intelligent Technology Co Ltd
Current assignee: Tebian Electric Apparatus Stock Co Ltd; TBEA Intelligent Electric Co Ltd; TBEA Beijing Tianjin Hebei Intelligent Technology Co Ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-12-01
Anticipated expiration: 2030-01-03

Abstract

The utility model provides a box becomes formula charging station includes: the high-voltage unit, the transformer unit, the low-voltage unit and the charging unit are arranged in the shell; the high-voltage unit is used for introducing a mains supply line into the transformer unit; the transformer unit is used for reducing the voltage of the mains supply to a preset voltage value and then introducing the mains supply to the low-voltage unit; the low-voltage unit is connected to the power supply circuit with the preset voltage value and is used for providing power supply input of the preset voltage value for the charging unit; the charging unit comprises a plurality of charging piles, and the charging piles are used for charging the device to be charged by using the power supply with the preset voltage value; and a rain shelter is arranged at the position, corresponding to the charging unit, of the top of the shell. This integrated transformer, high-low voltage switch cabinet and alternating current-direct current fill electric pile in an organic whole, practice thrift on-the-spot installation, continuous adjusting time, and need not to build special basis, practice thrift the construction cost, simultaneously through setting up the canopy in order to promote user experience.

Description

Box-type charging station

Technical Field

The utility model relates to an electrical engineering technical field especially relates to a box becomes formula charging station.

Background

With the continuous development of economy, travel tools such as electric vehicles and the like mainly powered by power storage batteries are gradually popularized in our lives, in order to ensure that storage batteries of products such as electric vehicles and the like have sufficient electric energy, charging equipment is required to be used for charging the electric vehicles, but the construction of charging infrastructures closely related to the charging equipment lags behind the demand.

The current charging mode mainly comprises the modes that an alternating current charging pile is used for carrying out slow charging and an off-board charger is used for carrying out direct current quick charging, the charging functions of the alternating current charging pile, the direct current charging pile and the like are generally established according to the modes, wherein the charging speed of the alternating current charging pile is low, the requirements of the public on the charging pile are not met, the requirement on a power grid is high when the direct current charging pile is installed, and the existing power grid is transformed to adapt to direct current charging by installing a large number of direct current charging piles. The existing charging station is mainly split, and comprises a box-type substation and a charging pile, wherein the box-type substation and the charging pile need to be installed separately; on one hand, in the initial stage of building a charging station, a special lifting appliance is needed, the construction conditions are more complex, higher labor cost and debugging cost need to be considered, the charging pile is mainly directly installed at the positions of a parking lot and the like in the current charging pile construction, the power supply of a charging pile array is input from a nearby transformer substation in a buried cable mode, the construction period is long, the construction cost is high, and the closed construction also has influence on the life of surrounding residents; after the charging station is built, if the station needs to be moved due to municipal planning and adjustment, the whole civil construction needs to be abandoned and rebuilt, all the electrical equipment and cables in the station need to be dismantled for reinstallation, and the rebuilding period is long; on the other hand, because charging station area is great, set up in comparatively spacious place usually, the operating personnel is drenched by the rain easily when using to fill electric pile under weather environment such as rainy, influences the user and uses experience.

Therefore, it is an urgent problem to provide a charging station that simplifies the construction conditions of the charging station at the initial construction stage, and satisfies the charging conditions of the user and improves the user experience in the use stage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a box becomes formula charging station to solve present charging station construction complicacy, debugging difficulty and influence user and use the problem such as experience.

The embodiment of the present disclosure provides a box transformer formula charging station, include: the high-voltage unit, the transformer unit, the low-voltage unit and the charging unit are arranged in the shell; the high-voltage unit is used for connecting a mains supply line and introducing the mains supply line into the transformer unit; the transformer unit is used for reducing the voltage of the mains supply to a preset voltage value and then introducing the mains supply to the low-voltage unit; the low-voltage unit is connected to the power supply circuit with the preset voltage value and is used for providing power supply input of the preset voltage value for the charging unit; the charging unit comprises a plurality of charging piles, and the charging piles are used for charging the device to be charged by using the power supply with the preset voltage value; and a rain shelter is arranged at the position, corresponding to the charging unit, of the top of the shell.

In one embodiment, the housing comprises: the top cover and the base are oppositely arranged, and the mounting area is positioned between the top cover and the base; wherein the mounting area comprises: a first region for mounting the high voltage unit, a second region for mounting the transformer unit, a third region for mounting the low voltage unit, and a fourth region for mounting the charging unit; the fourth area is in a semi-open type so as to expose the charging pile, and the rain shelter is arranged on the top cover of the fourth area.

In one embodiment, the fourth region comprises: the first sub-area and the second sub-area are respectively positioned at two ends of the shell in the length direction, and the top cover of each sub-area is provided with the rain shelter; the rain shed comprises three baffles which are respectively arranged on a first side face, a second side face and a third side face which are adjacent to each other in sequence of the subregion, and an air supporting rod is arranged between each baffle and a top cover which is connected with the side face where the baffle is located, and is used for supporting or putting down the baffles.

In one embodiment, the high voltage unit comprises: the high-voltage incoming cabinet G1, the high-voltage metering cabinet G2 and the high-voltage outgoing cabinet G3 are connected in sequence; the high-voltage incoming cabinet G1 is connected to a mains supply circuit; the high-voltage metering cabinet G2 is used for metering the use condition of commercial power; the high-voltage outlet cabinet G3 is used for leading a mains supply line into the transformer unit;

the transformer unit comprises a transformer, the high-voltage side of the transformer is connected in a delta mode, and the low-voltage side of the transformer is connected in a Y mode; the preset voltage value is 400V;

the low voltage unit includes: the low-voltage inlet cabinet P1, the low-voltage feeder cabinet P2 and the low-voltage compensation cabinet P3; the low-voltage inlet cabinet P1 includes a first lead module, where the first lead module is used to connect a 400V power line led by the transformer unit and divide the 400V power line into two lines, one line is led to a low-voltage feeder cabinet P2, the low-voltage feeder cabinet P2 is used to lead the line to the charging unit to be used as a power input of each charging pile in the charging unit, the other line is led to a low-voltage compensation cabinet P3, and the low-voltage compensation cabinet P3 is used to perform reactive compensation on the line.

In one embodiment, the low-voltage inlet cabinet P2 further includes a second lead module, and the second lead module is configured to access an externally-introduced 400V power line and divide the power line into two lines, one line is introduced into the low-voltage feeder cabinet P2, and the other line is introduced into the low-voltage compensation cabinet P3.

In one embodiment, the shell is provided with a plurality of wiring holes for connecting a mains supply line and an externally introduced 400V power supply line; the wiring hole for accessing the mains supply circuit is formed in the shell close to the high-voltage unit, and the wiring hole for accessing the externally introduced 400V power supply circuit is formed in the shell close to the low-voltage unit.

In one embodiment, the fourth region comprises: the first sub-area and the second sub-area are respectively positioned at two ends of the shell in the length direction;

the charging unit comprises a first charging module and a second charging module; the first charging module comprises an alternating current charging pile and two direct current charging piles and is arranged in the first sub-area; the second charging module also comprises an alternating current charging pile and two direct current charging piles and is arranged in the second sub-area;

and the power supply line with the preset voltage value is divided into six lines by the low-voltage unit and then is respectively connected into the six charging piles.

In one embodiment, the fourth region comprises: the first sub-area and the second sub-area are respectively positioned at two ends of the shell in the length direction; the first area, the second area and the third area are sequentially arranged between the first sub-area and the second sub-area;

and a partition wall board is arranged between every two adjacent areas of the installation area, an axial flow fan and a shutter are arranged on the partition wall board between the first sub-area and the first area, and a shutter and an axial flow fan are arranged on the partition wall board between the second sub-area and the third area.

In an embodiment, a plurality of cable channels are arranged between the third area and the first sub-area and between the third area and the second sub-area, and the power line with the preset voltage value is divided into a plurality of lines by the low-voltage unit and then is respectively connected to the charging piles through the plurality of cable channels.

In one embodiment, the first zone, the second zone and the third zone are respectively provided with an access door, wherein the access door at the second zone is provided with a shutter and an axial flow fan.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the box transformer substation type charging station provided by the embodiment of the disclosure integrates the transformer, the high-low voltage switch cabinet and the alternating current/direct current charging pile, can be integrally debugged, simplifies construction and debugging, saves field installation and continuous debugging time, does not need a special lifting appliance, is more convenient to transport and lift, and saves construction cost; in addition, the charging station complete machine provided by the embodiment of the disclosure can be prefabricated in a factory, the performance of the complete machine is more reliable, the layout, connection, debugging and test of all devices can be completed in the factory, and the performance of the products is ensured by a systematic manufacturing mode; through setting up the canopy in the unit area that charges, avoid weather reason user to receive the rain, promote user experience.

Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the disclosure. The objectives and other advantages of the disclosure may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the example serve to explain the principles of the disclosure and not to limit the disclosure.

Fig. 1 is a plan layout view of a box-type substation charging station according to an embodiment of the present disclosure;

fig. 2 is an external view of a box-type substation charging station according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of the boxed charging station of FIG. 2 with the canopy supported;

fig. 4 is a front view of a box-type substation charging station provided in an embodiment of the present disclosure;

fig. 5 is a left (right) view of a box-type substation charging station provided in an embodiment of the present disclosure;

fig. 6 is a top view of a box-type substation charging station provided in an embodiment of the present disclosure;

fig. 7 is a wiring diagram of a box-type substation charging station provided in the embodiment of the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, specific embodiments of the present disclosure are described below in detail with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

It is to be understood that the terminology used in the embodiments of the disclosure is for the purpose of describing particular embodiments only, and is not intended to be limiting of the disclosure. As used in the disclosed embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

In order to solve the problems that the construction period of the current charging infrastructure is long, the construction cost is high, the closed construction brings influence to the life of surrounding residents and influences the use experience of users, the box transformer type charging station is structurally characterized in that the box transformer type charging station integrates the power transformation function and the charging function into a whole, the structure comprises a high-voltage unit, a transformer unit, a low-voltage unit, a charging unit and the like, all the units are structurally arranged in a common shell to complete the sequential and secondary connection among the units, the production and debugging in a factory can be realized, a complex foundation is not required to be formed in a working site, only the flat ground is required, the box transformer type charging station provided by the embodiment of the disclosure is transported to the site where the charging pile needs to be installed, the charging pile can be plugged and used, the charging pile can be transported to other use sites as required to quickly enter a commissioning working state, and a rain shelter is arranged in the, avoid weather reason user to receive rain, promote user experience.

Referring to fig. 1 to 7, the box-type substation charging station provided in the embodiment of the present disclosure includes a housing 100, a high voltage unit 200, a transformer unit 300, a low voltage unit 400, and charging units 510 and 520.

The high-voltage unit 200 is connected to a mains supply line, and is used for introducing the mains supply line to the transformer unit 300; the transformer unit 300 is configured to step down the mains supply to a preset voltage value and introduce the voltage value to the low voltage unit 400; the low voltage unit 400 is connected to the power line with the preset voltage value, and is configured to provide a power input with the preset voltage value to the charging units 510 and 520; the charging units 510 and 520 comprise a plurality of charging piles for charging the device to be charged by using the power supply with the preset voltage value; a rain shelter 135 is disposed at a position corresponding to the charging units 510 and 520 on the top of the housing 100.

In this embodiment, constitute through pressing unit, transformer unit, low pressure unit and charging unit etc. and integrate in same shell structure, the complete machine construction production and the debugging of being convenient for, in some embodiments, the shell adopts container formula shell, and firm casing can adapt to long-distance transport and frequent transportation, prevents to cause the injury to it at jolting of frequent hoist and mount, long-distance transport etc. and need not special lifting device, and transportation and hoist and mount are more convenient. Through setting up the shell subregion, be convenient for each unit construction's installation production, guarantee the safe operation of each unit simultaneously in the operation phase, and overhaul the maintenance etc. of each unit of being convenient for in the stage, set up to half open structure through the fourth region that will be used for installing the charging unit, its top sets up the canopy that keeps off the rain, can avoid weather reasons such as the weather that blows the sun and rain to influence user's use and experience, all the other three sides are opened, can be favorable to filling the natural draft heat dissipation of electric pile, avoid filling the produced potential safety hazard of electric pile under the high temperature condition.

In a specific embodiment, the housing 100 includes a top cover 110 and a bottom cover 120 disposed opposite to each other, and a mounting area located between the top cover 110 and the bottom cover 120, wherein the mounting area includes a first area 131 for mounting a high voltage unit, a second area 132 for mounting a transformer unit, a third area 133 for mounting a low voltage unit, and a

fourth area

1341, 1342 for mounting a charging unit, wherein the

fourth area

1341, 1342 is a semi-open structure to expose the charging post, and the rain shelter 135 is disposed on the top cover at the

fourth area

1341, 1342.

Wherein the fourth region includes: a first sub-region 1341 and a second sub-region 1342, which are respectively located at two ends of the housing 100 in the length direction.

It should be noted that, in the embodiment of the present disclosure, the fourth area is set as the first sub-area and the second sub-area, which is only an example of the present disclosure, and is not limited to the fourth area, in some embodiments, according to a specific application scenario of the charging pile, the fourth area may be set as more than two sub-areas, and accordingly, the setting position of each sub-area is not limited to both ends of the housing in the length direction.

Referring to fig. 2 and 3, an appearance diagram of the rain shelter when the rain shelter is put down is shown in fig. 2, and an appearance diagram of the rain shelter when the rain shelter is put off is shown in fig. 3 (note that the charging pile of fig. 3 is not shown), so as to avoid that the rain shelter is too large in area compared with a top cover of a housing, and is easy to collide with a roof during transportation, and simplify installation of the rain shelter at the same time.

Specifically, through setting up the form into adjacent baffle with the canopy, when needs use the canopy, can open the gas vaulting pole and prop up the baffle, make baffle and top cap parallel, form the region of keeping off the rain, for operating personnel's sunshade rain, and under the condition that does not need to use the canopy in the transportation, only need put down the gas vaulting pole, the baffle is fixed perpendicular with the top cap, need not to occupy box-type substation area, can effectively avoid colliding with that box-type substation fender canopy probably produced in the transportation.

In some embodiments, to make the best use of the rain shelter, the baffle can be made into an all-metal structure, an LED lamp box structure or an LED display screen structure, and the rain shelter is made into a billboard to provide advertising income for operators.

In practice, to maximize baffle utilization, the maximum screen viewing area achieved when the baffle is extended or when the baffle is extended is achieved by attaching the

baffle

1351, 1352, 1353 with gas struts so that the baffle is parallel to the header, or by attaching the

baffle

1351, 1352, 1353 with the baffle perpendicular to the header 110 by lowering.

In a specific embodiment, the high voltage unit 200 includes a high voltage incoming cabinet G1, a high voltage meter cabinet G2 and a high voltage outgoing cabinet G3, which are connected in sequence, wherein the high voltage incoming cabinet G1 is connected to a mains supply line; the high-voltage metering cabinet G2 is used for metering the use condition of commercial power; the high voltage outlet cabinet G3 is used to bring mains supply lines to the transformer unit.

In this embodiment, the utility power line is a 10kv high voltage power line, and the 10kv power line is led into the high voltage incoming cabinet G1, led into the high voltage metering cabinet G2 after passing through the G1 high voltage incoming cabinet, led into the high voltage outgoing cabinet G3 after passing through the high voltage metering cabinet G2, and led into the transformer unit 300 after passing through the high voltage outgoing cabinet, in some embodiments, the high voltage incoming cabinet G1, the high voltage metering cabinet G2, and the high voltage outgoing cabinet G3 may be SF6 inflatable switch cabinets or solid insulation switch cabinets.

It can be understood that the high-voltage incoming line cabinet, which is a high-voltage power receiving cabinet, receives the mains supply or the power supply from the generator, and is a high-voltage cabinet for cutting off the high-voltage incoming line power supply; the high-voltage metering cabinet is used for installing an electric meter and is used as a cabinet body for metering the cost of a power supply bureau, and the cabinet body comprises elements such as PT (potential transformer), CT (current transformer) and the like; the high voltage outlet cabinet is used for distributing and conveying electric energy, is internally provided with an outlet circuit breaker and can be connected with a step-down transformer or a high-voltage motor, high-voltage compensation equipment and the like.

The transformer unit 300 includes a transformer having a delta connection on a high voltage side and a Y connection on a low voltage side; the preset voltage value is 400V, and the mains supply line is led in from the high voltage outgoing line cabinet G3, and is led in to the low voltage unit 400 after being stepped down to a 400V power supply line by the transformer.

In this embodiment, the transformer unit includes a three-dimensional wound core dry-type transformer, the high-voltage side is connected in a delta connection mode, the low-voltage side is connected in a Y connection mode, a 10kV power line is led in from the G3 high-voltage outlet cabinet, and is led in the low-voltage unit after being stepped down to 400V by the transformer. In some embodiments, the transformer may be an amorphous alloy dry transformer.

The low-voltage unit 400 includes a low-voltage inlet cabinet P1, a low-voltage feeder cabinet P2, and a low-voltage compensation cabinet P3, wherein the low-voltage inlet cabinet P1 includes a first lead module 410, the first lead module 410 is configured to connect to a 400V power line introduced by the transformer unit 300 and divide the 400V power line into two lines, one line is introduced into the 400V low-voltage feeder cabinet P2, the low-voltage feeder cabinet P2 is configured to introduce the line into the charging units 510 and 520 to be used as a power input of each charging pile in the charging units, the other line is introduced into the low-voltage compensation cabinet P3, and the low-voltage compensation cabinet P3 is configured to perform reactive compensation on the line.

In this embodiment, the low-voltage unit includes a low-voltage inlet cabinet P1, a low-voltage feeder cabinet P2, and a low-voltage compensation cabinet P3, a 400V power line is led into the low-voltage inlet cabinet P1 from the transformer unit, and is divided into two paths after passing through the low-voltage inlet cabinet P1, one path is led into the low-voltage feeder cabinet P2 and is responsible for providing power input to each charging pile, and the other path is led into the low-voltage compensation cabinet P3 and is responsible for reactive compensation in the lines.

It can be understood that the low voltage incoming cabinet is a main switch cabinet of the power distribution device introduced from a low voltage power source (in this embodiment, the low voltage side of the transformer), the low voltage feeder cabinet is also called a low voltage outgoing cabinet and is used for distributing and outputting the electric energy of the main power source, the low voltage compensation cabinet is used for providing reactive power consumed by compensating the inductive load, the reactive power provided to the inductive load by the power source side of the power grid and transmitted by the line is reduced, the electric energy loss caused by the transmission of the reactive power by the transformer and the bus in the power transmission and distribution line is reduced, and the reactive power compensation benefit is obtained.

In a specific embodiment, the low voltage inlet cabinet P2 further includes a second lead module 420, and the second lead module 420 is configured to access an externally introduced 400V power line and divide the power line into two lines, where one line is introduced into the low voltage feeder cabinet P2, and the other line is introduced into the low voltage compensation cabinet P3.

In this embodiment, be provided with two way inlet wire modes, insert mains supply from the high voltage unit side and pass through transformer step-down and insert low voltage unit all the way, another way is direct inserts the 400V power from low voltage unit, compares and only inserts mains supply through the high voltage unit in correlation technique, and this embodiment is more various, reliable. Specifically, a first lead module and a second lead module are arranged in the low-voltage incoming cabinet, a 400V power supply introduced by the transformer unit and an external 400V power supply introduced by the outside can be respectively connected, the power supply modes of two voltage levels are met, a 10kv circuit can be selected as a power supply input, and a 400V circuit can be selected as a power supply input.

In a specific embodiment, a plurality of wiring holes 141, 142 are disposed on the housing 100 for accessing the mains power line and the externally introduced 400V power line, wherein the wiring hole 141 for accessing the mains power line is disposed on the housing 100 near the high voltage unit 200, and the wiring hole 142 for accessing the externally introduced 400V power line is disposed on the housing 100 near the low voltage unit 400.

In this embodiment, set up 10kv entrance hole two places on the shell base, 400V entrance hole two places, wherein 10kv entrance hole sets up in the shell base department that is close to in the first region of installing the high-voltage unit, 400V entrance hole sets up in the shell base department that is close to in the third region of installing the low-voltage unit, conveniently satisfy and introduce the inlet wire cable from different directions, the cable hole is located two channel-section steels in the base outside respectively, in some preferred mode, can set up the cable clamp tightly in the position department in entrance hole, sealing device.

It should be noted that, this embodiment is only an example of the installation position of the wire inlet, and is not limited to the installation position, for example, the wire inlet is not limited to be installed on the base of the housing, and may also be installed on the top cover of the housing, and the wire inlet sleeves of 10kv and 400V are installed on the top cover, so that the requirement for the wire inlet of the overhead cable can be met, and the installation position of the wire inlet can be adaptively set according to the actual situation of the substation.

With reference to fig. 7, fig. 7 is a wiring diagram of the box-type transformer of this embodiment when the box-type transformer includes two ac charging piles and four dc charging piles, in a specific embodiment, the charging units 510 and 520 include two ac charging piles 1#, 2# and four dc charging piles 3#, 4#, 5#, and 6#, and the 400V power line is divided into six lines after passing through the low-voltage feeder P2 and is respectively connected to the charging piles 1#, 2#, 3#, 4#, 5# and 6 #.

It should be noted that, the number of the ac charging piles and the number of the dc charging piles are not fixed, and can be set according to actual requirements.

In a specific embodiment, the charging unit includes a first charging module 510 and a second charging module 520, the first charging module 510 includes an ac charging post and two dc charging posts and is installed in the first sub-area 1341, and the second charging module 520 also includes an ac charging post and two dc charging posts and is installed in the second sub-area 1342;

In a specific embodiment, the first region, the second region and the third region are sequentially disposed between the first subregion and the second subregion.

In a specific embodiment, a partition wall plate 150 is disposed between every two adjacent regions of the installation region, axial fans and louvers (not shown) are disposed on the partition wall plate between the first sub-region 1341 and the first region 131, and louvers and axial fans | are disposed on the partition wall plate between the second sub-region 1342 and the third region 133 (not shown).

In this embodiment, high voltage unit, low voltage unit are close to and are provided with shutter and axial fan on the partition wall board of charging unit respectively, further strengthen the ventilation and heat dissipation of charging unit.

In a specific embodiment, a plurality of cable channels (not shown) are disposed between the third area 133 and the first sub-area 1341, and between the third area 133 and the second sub-area 1342, and the power line with the preset voltage value is divided into six lines by the low voltage unit and then is connected to each charging pile through the plurality of cable channels. In this embodiment, on the shell underframe (i.e., the base), cable channels are respectively arranged from the low-voltage chamber to the two charging units, and the low-voltage cables are led out from the low-voltage feeder cabinet G2 and respectively led into six charging piles in the charging areas on two sides as the power input of the charging piles.

In a specific embodiment, the first, second and

third zones

131, 132 and 133 are respectively provided with an access door 160, wherein the access door at the second zone 132 is provided with a shutter 161 and an axial flow fan 162.

In this embodiment, high pressure unit, transformer unit and low pressure unit all are provided with the access door, are located the both sides of each room, and wherein be equipped with shutter and axial fan on the transformer room to transformer unit's ventilation and heat dissipation avoids high temperature to produce the potential safety hazard.

To sum up, the box-type substation type charging station provided by the embodiment of the disclosure integrates the transformer, the high-low voltage switch cabinet and the alternating current/direct current charging pile into a whole, can be integrally debugged, simplifies construction and debugging, saves on-site installation and continuous debugging time, does not need a special lifting appliance, is more convenient to transport and lift, and saves construction cost; in addition, the charging station complete machine provided by the embodiment of the disclosure can be prefabricated in a factory, the performance of the complete machine is more reliable, the layout, connection, debugging and test of all devices can be completed in the factory, and the performance of the products is ensured by a systematic manufacturing mode; through setting up the canopy in the unit area that charges, avoid weather reason user to receive the rain, promote user experience.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.

Claims

1. A box transformer type charging station, comprising: the high-voltage unit, the transformer unit, the low-voltage unit and the charging unit are arranged in the shell; the high-voltage unit is used for connecting a mains supply line and introducing the mains supply line into the transformer unit; the transformer unit is used for reducing the voltage of the mains supply to a preset voltage value and then introducing the mains supply to the low-voltage unit; the low-voltage unit is connected to the power supply circuit with the preset voltage value and is used for providing power supply input of the preset voltage value for the charging unit; the charging unit comprises a plurality of charging piles, and the charging piles are used for charging the device to be charged by using the power supply with the preset voltage value; and a rain shelter is arranged at the position, corresponding to the charging unit, of the top of the shell.

2. The box-type charging station according to claim 1, wherein the housing comprises: the top cover and the base are oppositely arranged, and the mounting area is positioned between the top cover and the base; wherein the mounting area comprises: a first region for mounting the high voltage unit, a second region for mounting the transformer unit, a third region for mounting the low voltage unit, and a fourth region for mounting the charging unit; the fourth area is in a semi-open type so as to expose the charging pile, and the rain shelter is arranged on the top cover of the fourth area.

3. The box-type charging station according to claim 2, wherein the fourth region comprises: the first sub-area and the second sub-area are respectively positioned at two ends of the shell in the length direction, and the top cover of each sub-area is provided with the rain shelter; the rain shed comprises three baffles which are respectively arranged on a first side face, a second side face and a third side face which are adjacent to each other in sequence of the subregion, and an air supporting rod is arranged between each baffle and a top cover which is connected with the side face where the baffle is located, and is used for supporting or putting down the baffles.

4. The box-type substation according to claim 1, wherein the high voltage unit includes: the high-voltage incoming cabinet G1, the high-voltage metering cabinet G2 and the high-voltage outgoing cabinet G3 are connected in sequence; the high-voltage incoming cabinet G1 is connected to a mains supply circuit; the high-voltage metering cabinet G2 is used for metering the use condition of commercial power; the high-voltage outlet cabinet G3 is used for leading a mains supply line into the transformer unit;

5. The box transformer substation type charging station according to claim 4, wherein the low voltage inlet cabinet P2 further comprises a second lead module for connecting to an externally introduced 400V power line and dividing it into two lines, one line leading to the low voltage feeder cabinet P2 and the other line leading to the low voltage compensation cabinet P3.

6. The box transformer substation type charging station according to claim 5, wherein a plurality of wiring holes are formed in the housing, and are used for connecting a mains supply line and an externally introduced 400V power supply line; the wiring hole for accessing the mains supply circuit is formed in the shell close to the high-voltage unit, and the wiring hole for accessing the externally introduced 400V power supply circuit is formed in the shell close to the low-voltage unit.

7. The box-type charging station according to claim 2, wherein the fourth region comprises: the first sub-area and the second sub-area are respectively positioned at two ends of the shell in the length direction;

8. The box-type charging station according to claim 2, wherein the fourth region comprises: the first sub-area and the second sub-area are respectively positioned at two ends of the shell in the length direction; the first area, the second area and the third area are sequentially arranged between the first sub-area and the second sub-area;

9. The box-type substation type charging station according to claim 3, wherein a plurality of cable channels are arranged between the third area and the first sub-area and between the third area and the second sub-area, and a power line with a preset voltage value is divided into a plurality of lines by the low-voltage unit and then is connected to each charging pile through the plurality of cable channels.

10. The box transformer substation type charging station according to claim 2, wherein access doors are respectively provided at the first region, the second region and the third region, wherein a shutter and an axial flow fan are provided on the access door at the second region.