CN108944505B

CN108944505B - Three-door double-gun non-vehicle-mounted charger

Info

Publication number: CN108944505B
Application number: CN201810699869.8A
Authority: CN
Inventors: 葛俊; 赵正权; 艾旭
Original assignee: Shenzhen Car Energy Net Co ltd
Current assignee: Shenzhen Car Energy Net Co ltd
Priority date: 2018-06-29
Filing date: 2018-06-29
Publication date: 2022-01-18
Anticipated expiration: 2038-06-29
Also published as: CN108944505A

Abstract

The invention relates to the technical field of charging devices, in particular to a three-door double-gun non-vehicle-mounted charger, which comprises a cabinet body and three cabinet doors respectively hinged with the cabinet body, wherein each cabinet door comprises: the cabinet comprises a front door, a left side door and a right side door, wherein a cavity structure in a cabinet body is divided into a front cavity corresponding to the front door, a left cavity corresponding to the left side door and a right cavity corresponding to the right side door, and each cavity is divided into a plurality of mounting areas. In one aspect of the charger, the electric devices in the corresponding mounting areas in the cavity structure can be directly mounted and maintained by opening each cabinet door, so that the charger is convenient and efficient, and the electric devices are mounted in the cavity structure in a partition mode, so that fault parts can be conveniently and quickly positioned and maintained; on the other hand, the cabinet body of the machine cabinet has a compact structure, the space is fully utilized, and the size of the charger is reduced.

Description

Three-door double-gun non-vehicle-mounted charger

Technical Field

The invention relates to the technical field of charging devices, in particular to a three-door double-gun off-board charger.

Background

As a green vehicle with wide development prospect, the electric automobile can be popularized extremely rapidly in the future, and the market prospect in the future is extremely huge. Under the big background of global energy crisis and serious environmental crisis, the application and development of new energy vehicles are actively promoted by the government of China, and the charging/replacing station is used as an important matching infrastructure necessary for developing the electric vehicles and has very important social benefits and economic benefits.

The invention patent of Chinese patent No. CN201511034485.7 discloses a high-power charging pile with a two-cavity three-door cabinet body, which comprises a shell and a charging gun hung outside the shell, wherein the shell comprises a cuboid cabinet body, a cabinet body upper cover and a cabinet body base, the cuboid cabinet body comprises a large cavity and a small cavity, the large cavity contains a power supply conversion part, the small cavity contains a control part, the volume of the large cavity is more than or equal to 2 times of the volume of the small cavity, one or two doors are respectively arranged on the front side and the back side of the large cavity, the lower half part of the door on the front side of the large cavity is provided with an air inlet, the upper half part of the door on the back side is provided with an air outlet, the front side and the back side of the small cavity are respectively provided with a door, the upper half part of the door on the back side of the small cavity is provided with an air outlet, and the top of the large cavity is provided with an air outlet. The cavity of the charging pile ensures that the large cavity can contain more power modules, and the power modules and the control part have different heating capacity and heat dissipation requirements, so that the charging pile can stably run under high power. But the big electric pile width size of filling of the three cabinet bodies in this two chambeies can occupy the area of great charging station too greatly, and this kind of design also can cause the influence to the use of charging station when opening the cabinet door when the maintenance of reality simultaneously.

The invention patent of Chinese patent No. CN201610512719.2 discloses a direct current charging pile, which comprises a cabinet body in a cuboid frame structure, wherein a front cabinet door, a rear cabinet door, a left cabinet door and a right cabinet door which are rotatably connected with the cabinet body are respectively arranged on the front side, the rear side, the left side and the right side of the cabinet body. The cabinet is internally provided with a rectifying chamber and a control chamber, the rectifying chamber is positioned at the upper part in the cabinet body, a rectifying module is arranged in the rectifying chamber, the control chamber is positioned at the lower part in the cabinet body, primary control equipment and a wire outlet busbar are arranged in the control chamber, and a charging gun is hung on the surface of the cabinet body. According to the direct-current charging pile, the equipment in the cabinet body is arranged in a partition mode, the rectifier module with high heat productivity is provided with the independent area, heat can be conveniently dissipated in the charging process, the problem that the heat dissipated in the charging process of the rectifier module influences the stability of primary control equipment is avoided, meanwhile, good isolation can be achieved through the partition arrangement, the operation safety is improved, electromagnetic interference is reduced, the periphery of the whole cabinet body can be opened, and the direct-current charging pile is convenient to install and maintain. But this high-power electric pile that can open door on four sides can occupy great charging station's area when four doors are opened completely, and this kind of design also can cause the influence to charging station use when opening the cabinet door in the maintenance of reality simultaneously.

The invention patent of Chinese patent No. CN201710885017.3 discloses a charging pile with a high protection function, which comprises a cabinet body, a cabinet front door and a cabinet rear door, wherein the cabinet body comprises a front cabin, a rear cabin and a module tail hot air duct cabin, a CCU area is arranged in the front cabin, and a user interface is arranged on the cabinet front door corresponding to the front cabin; the middle and lower parts of the rear cabin are sequentially provided with an alternating current distribution area, a direct current distribution area and a power module area, the upper part of the rear cabin is a hot air duct cabin at the tail part of the module, a heat exchanger, an internal and external circulation air inlet and outlet are arranged on the rear door of the cabinet, the front cabin is isolated, and the front cabin does not participate in air circulation of the rear cabin. The heat exchanger is adopted for heat exchange in the heat dissipation form of the cabinet, and external cold air does not pass through the interior of the cabinet; adopt waterproof sealing, inside outside dust and rainwater can't get into the rack. And the heat exchange of the insulation air in the cabinet, the cabinet does not have the air inlet and outlet communicated with the outside, the structure has higher protection grade of the protection cabinet, and the service life of the devices in the cabinet is prolonged. But fill the heat exchanger that electric pile increased and occupied and fill the inside limited space of electric pile rack, the rack front deck is kept apart simultaneously, and the front deck does not participate in rear deck air cycle, and the front deck is totally airtight not have effectual cold air source can lead to installing CCU (charging control panel), user interface (liquid crystal display), card reader, copper bar, the terminal row in the front deck risk that can not in time dispel the heat.

In view of the above, the technical problem to be solved in the art is to provide a new three-door twin-gun off-board charger to overcome the defects in the prior art.

Disclosure of Invention

The invention aims to provide a three-door double-gun off-board charger aiming at the defects in the prior art.

The object of the invention can be achieved by the following technical measures:

the invention provides a double-gun non-vehicle-mounted charger with three doors, which comprises: the rack cabinet body, install in the internal portion of rack cabinet charging module group, respectively with rack cabinet body articulated qianmen, left side door and right side door, the rack cabinet body includes: the device comprises a rear wall, a top cover and a base which are respectively arranged on the upper side and the lower side of the rear wall, and a cavity structure which is vertically arranged on the base; the cavity structure includes: a front cavity arranged corresponding to the front door, a right cavity arranged corresponding to the right side door, and a left cavity arranged corresponding to the left side door; the front cavity comprises an upper half area of a direct current output access area positioned at the upper part, a control system installation area positioned at the middle part and a lower half area of the direct current output access area positioned at the lower part, the right cavity comprises an upper half area of a right cavity positioned at the upper part and an alternating current input power access area positioned at the lower part, and the left cavity comprises an upper half area of a left cavity positioned at the upper part and an alternating current input charging module access area positioned at the lower part; the first half district in right side chamber and the first half district intercommunication in left side chamber form a intercommunication chamber that is used for the installation module of charging, the front of the module of charging is towards the right side door, the back of the module of charging is towards the left side door.

Preferably, all install detachable ventilation structure subassembly on the rack cabinet body, ventilation structure subassembly is including installing the first ventilation structure subassembly on the left side door and installing the second ventilation structure subassembly on the right side door.

Preferably, the first ventilation structure assembly is a fan installation assembly, a first side window for installing the fan installation assembly is formed in the middle upper portion of the left side door, and the fan installation assembly is installed on the left side door through the first side window from outside to inside; the second ventilation structure component is an air inlet filter screen component, a second side window used for installing the air inlet filter screen component is arranged on the middle upper portion of the right side door, and the air inlet filter screen component is installed on the right side door from outside to inside through the second side window.

Preferably, the charging module group comprises eighteen charging modules which are arranged in two rows and nine rows, wherein nine rows are sequentially arranged from bottom to top in each row, and two rows are arranged from left to right in each row.

Preferably, the first output copper bar positive copper bar, the first output copper bar negative copper bar, the second output copper bar positive copper bar and the second output copper bar negative copper bar are sequentially installed from top to bottom in the upper half area of the direct current output access area.

Preferably, the first output copper bar positive electrode copper bar is connected with the output end positive electrodes of the nine charging modules in the left row, and the first output copper bar negative electrode copper bar is connected with the output end negative electrodes of the nine charging modules in the left row; the second output copper bar positive copper bar is connected with the output ends of the nine charging modules arranged on the right row, and the second output copper bar negative copper bar is connected with the output ends of the nine charging modules arranged on the right row.

Preferably, the first rifle negative pole copper bar that charges, the first rifle positive pole copper bar that charges, the second rifle negative pole copper bar that charges, the second rifle positive pole copper bar that charges are installed from left side and right side in proper order in the lower half district of direct current output access area.

Preferably, the first charging gun negative electrode copper bar is provided with a negative electrode upper copper bar, a first direct current contactor and a negative electrode lower copper bar from top to bottom; the first charging gun positive copper bar is provided with a positive electrode upper copper bar, a second direct current contactor and a positive electrode lower copper bar from top to bottom; the second charging gun negative electrode copper bar is provided with a negative electrode upper copper bar, a third direct current contactor and a negative electrode lower copper bar from top to bottom; and the positive copper bar of the second charging gun is provided with a positive copper bar, a fourth direct current contactor and a positive lower copper bar from top to bottom.

Preferably, a first current divider for sampling and measuring direct current is further arranged on the positive copper bar of the first charging gun and between the second direct current contactor and the positive lower copper bar; a second current divider for sampling and measuring direct current is further arranged between the fourth direct current contactor and the positive lower copper bar on the positive copper bar of the second charging gun; a first fuse used for preventing overcurrent is arranged between the negative copper bar and the first direct current contactor on the first charging gun negative copper bar; and a second fuse used for preventing overcurrent is further arranged between the negative copper bar and the third direct current contactor on the second charging gun negative copper bar.

Preferably, the control system installation area is sequentially provided with a charging management unit, a monitoring board and a charging control board from top to bottom.

Preferably, the front door is sequentially provided with: the charging management unit is electrically connected with the indicator lamp panel, the display screen, the card reader and the loudspeaker assembly.

Preferably, a switching power supply is installed on the left side of the control system installation area; and a direct current electric energy meter is arranged on the left side of the lower half area of the direct current output access area, and a gun adapter plate is arranged on the bottom of the lower half area of the direct current output access area.

Preferably, the ac input power access area is sequentially provided with a first ac contactor, an input side protective ground row copper bar, an input side zero line copper bar, and an ac molded case circuit breaker from left to right.

Preferably, the ac input charging module access area is sequentially provided with a three-phase incoming line copper bar and a second ac contactor from top to bottom.

Preferably, a wire passing hole for an output cable and a communication cable is arranged on the right side of the upper half area of the left cavity.

Preferably, the rear wall is provided with an empty gun seat for hanging a charging gun, and the empty gun seat is arranged on the left side and the right side of the middle part of the rear wall.

In one aspect of the charger, the electric devices in the corresponding mounting areas in the cavity structure can be directly mounted and maintained by opening each cabinet door, so that the charger is convenient and efficient, and the electric devices are mounted in the cavity structure in a partition mode, so that fault parts can be conveniently and quickly positioned and maintained; on the other hand, the cabinet body of the machine cabinet has a compact structure, the space is fully utilized, and the size of the charger is reduced.

Drawings

Fig. 1 is a schematic perspective view of a charger according to the present invention.

Fig. 2 is a schematic structural diagram of a front cavity when the front door of the charger is opened.

Fig. 3 is a schematic diagram of a right cavity structure of the charger of the invention when the right side door is opened.

Fig. 4 is a schematic structural diagram of a left cavity when the charger of the invention opens the left door.

Fig. 5 is a schematic structural diagram of three cabinet doors of the charger of the present invention.

Fig. 6 is a schematic diagram of the connection of the electrical devices in the upper half of the dc output access region of the charger of the present invention.

Fig. 7 is a schematic diagram of the connection of the electrical devices in the lower half of the dc output access region of the charger of the present invention.

Fig. 8 is a schematic diagram of the connection of the components of the input circuit module in the charger of the present invention.

Fig. 9 is a schematic wiring diagram of a three-phase incoming line copper bar, an ac molded case circuit breaker, a second ac contactor, and an ac input copper bar of the charger of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Many aspects of the invention are better understood with reference to the following drawings. The components in the drawings are not necessarily to scale. Instead, emphasis is placed upon clearly illustrating the components of the present invention. Moreover, in the several views of the drawings, like reference numerals designate corresponding parts.

The word "exemplary" or "illustrative" as used herein means serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" or "illustrative" is not necessarily to be construed as preferred or advantageous over other embodiments. All of the embodiments described below are exemplary embodiments provided to enable persons skilled in the art to make and use the examples of the disclosure and are not intended to limit the scope of the disclosure, which is defined by the claims. In other instances, well-known features and methods are described in detail so as not to obscure the invention. For purposes of the description herein, the terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," and derivatives thereof shall relate to the invention as oriented in fig. 1. Furthermore, there is no intention to be bound by any expressed or implied theory presented in the preceding technical field, background, brief summary or the following detailed description. It is also to be understood that the specific devices and processes illustrated in the attached drawings, and described in the following specification are simply exemplary embodiments of the inventive concepts defined in the appended claims. Hence, specific dimensions and other physical characteristics relating to the embodiments disclosed herein are not to be considered as limiting, unless the claims expressly state otherwise.

The invention provides a three-door double-gun non-vehicle-mounted charger, wherein a charging gun hung on the charger comprises a first charging gun and a second charging gun, please refer to fig. 1, fig. 1 shows the three-door double-gun non-vehicle-mounted charger, and the charger comprises: cabinet 10 with respectively with cabinet 10 articulated three cabinet doors, cabinet 10 internally mounted has the module group 1200 that charges, cabinet 10 includes: a rear wall (not shown in the figure), a top cover 102 and a base 103 which are respectively arranged at the upper side and the lower side of the rear wall, and a cavity structure 104 which is vertically arranged on the base 103; further, the cabinet door comprises: a front door 21, a left side door 22, and a right side door 23.

Further, referring to fig. 1 to 4, the cavity structure 104 includes: a front cavity 11 corresponding to the front door 21, a right cavity 12 corresponding to the right side door 23, and a left cavity 13 corresponding to the left side door 22; referring to fig. 2, the front cavity 11 includes an upper dc output access area half 110 located at the upper portion, a control system installation area 111 located at the middle portion, and a lower dc output access area half 112 located at the lower portion, referring to fig. 3, the right cavity 12 includes an upper right cavity half 120 located at the upper portion and an ac input power access area 121 located at the lower portion, referring to fig. 4, the left cavity 13 includes an upper left cavity half 130 located at the upper portion and an ac input charging module access area 131 located at the lower portion; referring to fig. 1, the upper right chamber half 120 and the upper left chamber half 130 are communicated to form a communicating chamber 14 for installing the charging module group 1200, the front of the charging module group 1200 faces the right door 23, and the back of the charging module group 1200 faces the left door 22.

Further, referring to fig. 3, the charging module group 1200 includes eighteen charging modules, which are PW1 and PW2 … PW18, respectively, the charging modules are arranged in two rows and nine rows, each row is sequentially provided with nine rows from bottom to top, each row is provided with two rows from left to right, specifically, PW1 to PW9 are sequentially provided in the left row from bottom to top, and PW10 to PW18 are sequentially provided in the right row from bottom to top.

On one aspect, the charger can directly install and maintain the electric devices in the corresponding installation areas in the cavity structure 104 by opening each cabinet door, is convenient and efficient, and the electric devices are installed in the cavity structure 104 in an area division manner, so that the quick positioning and maintenance of fault parts are facilitated; on the other hand, the cabinet body 10 has a compact structure, the space is fully utilized, the size of the charger is reduced, and the non-vehicle charger can be conveniently installed and maintained in a small size.

On the basis of the above embodiments, in the present embodiment, please refer to fig. 5, all the cabinet bodies 10 are installed with detachable ventilation structural assemblies. The ventilation assembly includes a first ventilation assembly 220 mounted on the left side door 22 and a second ventilation assembly 230 mounted on the right side door 23. The ventilation structure component enables the interior of the charger to be communicated with the outside air, and helps the heat generated by the electric devices in the charger to be quickly dissipated in the operation process.

Further, referring to fig. 5, the first ventilation structure component 220 is a fan installation component, the middle upper portion of the left side door 22 is provided with a first side window 2200 for installing the fan installation component, and the fan installation component is installed on the left side door 22 from outside to inside through the first side window 2200; the second ventilation structure component 230 is an air inlet filter screen component, the middle upper part of the right side door 23 is provided with a second side window 2300 for installing the air inlet filter screen component, and the air inlet filter screen component is installed on the right side door 23 from outside to inside through the second side window 2300.

Further, referring to fig. 5, six large axial fans 2201 with a diameter of 250mm are arranged on the fan mounting assembly, and two fan cascade plates 2202 are arranged on the lower portion of the fan mounting assembly. In a preferred embodiment, the large axial flow fans are arranged in two rows, three in each row, and the arrangement mode enables the large axial flow fans 2201 to be compact in arrangement structure, and the large axial flow fans are arranged near the upper portion of the left side door 22 and matched with the air inlet filter screen assembly on the right side door 23 to form heat dissipation circulation between the inside of the charger and the outside air, so that heat generated by the charging module group 1200 in the working process can be dissipated quickly, and the service life of the charging module group 1200 can be prolonged.

Still further, the air intake screen assembly includes: the air inlet shutter assembly, the filter screen assembly and the hanging frame. The air inlet shutter assembly, the filter screen assembly and the hanging frame are assembled into the air inlet filter screen assembly through a set of screws in sequence, and the air inlet filter screen assembly is installed on the second side window 2300 through the hanging frame. The second side window 2300 is provided with a guide groove hasp 2301 for installing the air inlet filter screen assembly, and the air inlet filter screen assembly can be inwards pushed, installed or outwards pulled out and disassembled towards the direction parallel to the right side door 23 by the arrangement mode, so that the convenience of regular cleaning and maintenance of the air inlet filter screen assembly by maintenance personnel is improved.

On the basis of the above embodiments, in the present embodiment, referring to fig. 2, the front door 21 is opened to open the dc output access area (including the upper half 110 and the lower half 112 of the dc output access area) and the control system installation area 111.

Further, the first output copper bar positive copper bar 1101, the first output copper bar negative copper bar 1102, the second output copper bar positive copper bar 1103 and the second output copper bar negative copper bar 1104 are sequentially installed in the upper half area 110 of the direct current output access area from top to bottom.

Furthermore, please refer to fig. 6, the first positive copper bar 1101 is sequentially connected with the positive output terminals of the charging modules PW1 to PW9, the first negative copper bar 1102 is sequentially connected with the negative output terminals of the charging modules PW1 to PW9, the second positive copper bar 1103 is sequentially connected with the positive output terminals of the charging modules PW10 to PW18, and the second negative copper bar 1104 is sequentially connected with the negative output terminals of the charging modules PW10 to PW 18. This arrangement facilitates installation wiring, troubleshooting, and maintenance of the charging module group 1200.

Further, referring to fig. 2, the first charging gun negative copper bar 1120, the first charging gun positive copper bar 1121, the second charging gun negative copper bar 1122, and the second charging gun positive copper bar 1123 are sequentially installed in the lower half 112 of the dc output access area from left to right.

Specifically, referring to fig. 7, the first charging gun negative copper bar 1120 is provided with a negative upper copper bar 1a, a first dc contactor 3a, and a negative lower copper bar 4a from top to bottom; the first charging gun positive copper bar 1121 is provided with a positive copper bar 1b, a second direct current contactor 3b and a positive copper bar 4b from top to bottom; the second charging gun negative copper bar 1122 is provided with a negative upper copper bar 1a, a third direct current contactor 3c and a negative lower copper bar 4a from top to bottom; the second charging gun positive copper bar 1123 is provided with a positive copper bar 1a, a fourth direct current contactor 3d and a positive lower copper bar 4b from top to bottom. On the anodal copper bar 1121 of first rifle that charges, still be equipped with between copper bar 4b under second direct current contactor 3b and the positive pole and be used for direct current sampling measuring first current divider 5a, on the anodal copper bar 1123 of second rifle that charges, still be equipped with under fourth direct current contactor 3d and the positive pole between copper bar 4b and be used for direct current sampling measuring second current divider 5 b. On first rifle negative pole copper bar 1120, still be equipped with the first fuse 2a that is used for preventing overflowing on the negative pole between copper bar 1a and first direct current contactor 3a, on second rifle negative pole copper bar 1122 that charges, still be equipped with the second fuse 2b that is used for preventing overflowing on the negative pole between copper bar 1a and third direct current contactor 3 c. This setting mode is convenient for the installation wiring and the troubleshooting of each electric device on first rifle negative copper bar 1120, the first rifle positive copper bar 1121 that charges, the second rifle negative copper bar 1122 that charges, the second rifle positive copper bar 1123 that charges.

Further, referring to fig. 2, the control system installation area 111 is sequentially installed with a billing management unit 1110, a monitoring board 1111 and a charging control board from top to bottom. Further, the charging control board includes a first charging control board 1112 for controlling an operation state of the first charging gun and a second charging control board 1113 for controlling an operation state of the second charging gun.

The control system installation area 111 is closely related to the charging control of a charger, and the control system installation area 111 can be directly maintained by opening the front door 21, so that faults on each charging circuit board (including the charging management unit 1110, the monitoring board 1111 and the charging control board) can be checked, and meanwhile, the whole fault part can be replaced conveniently under the condition that the fault part cannot be repaired.

On the basis of the above embodiments, in the present embodiment, please refer to fig. 1 and fig. 5, the front door 21 is sequentially installed with: indicator light panel 210, display screen 211, card reader 212, emergency stop button 213, and speaker assembly 214. The billing management unit 1110 is electrically connected to the indicator panel 210, the display screen 211, the card reader 212, and the speaker assembly 214.

Indicator lamp plate 210, display screen 211, card reader 212, scram button 213 and speaker subassembly 214 all install on qianmen 21 with the mode of conveniently tearing open and changing, help troubleshooting the trouble of each part, also be convenient for simultaneously change whole trouble part under unable prosthetic circumstances, simultaneously, the space on the make full use of qianmen 21 for the structure of whole machine of charging is compacter, practices thrift the use of machine inner space that charges, thereby reduces the volume of machine of charging.

On the basis of the above embodiments, in the present embodiment, referring to fig. 1 and fig. 2, in the front cavity 11, the second switching power source 1114 and the third switching power source 1115 are installed on the left side of the control system installation area 111; a first direct current electric energy meter 1124 and a second direct current electric energy meter 1125 are installed on the left side of the lower half 112 of the direct current output access zone, and a first gun adapter plate 1126 connected with the first charging control board 1112 and a second gun adapter plate 1127 connected with the second charging control board 1113 are installed on the bottom of the lower half 112 of the direct current output access zone.

On the basis of the above embodiments, in the present embodiment, referring to fig. 3, the right side door 23 is opened to open the right cavity upper half area 120 (the front side of the charging module group 1200) and the ac input power access area 121. The ac input power access area 121 includes a first access area a and a second access area B sequentially arranged from left to right. The first access area A is sequentially provided with a first alternating current contactor 1210, an input circuit module 1211, an input side protective earth row copper bar 1213 and an input side zero line copper bar 1214 from top to bottom; the second access area B is installed with an ac moulded case circuit breaker 1215.

Further, referring to fig. 8, the input circuit module 1211 is provided with a lightning arrester 6, a first miniature circuit breaker 7, a second miniature circuit breaker 8 and a maintenance socket 9 in sequence from left to right.

The arrangement mode reasonably separates the space of the whole right cavity 12, is convenient for maintenance and overhaul, and is also convenient for quickly positioning and maintaining fault parts.

On the basis of the above embodiments, in the present embodiment, referring to fig. 4, the left cavity upper half 130 (the back side of the charging module group 1200) and the ac input charging module access region 131 can be opened by opening the left door 22. Further, the ac input charging module access area 131 includes a third access area C and a fourth access area D sequentially arranged from left to right, wherein the third access area C is sequentially provided with a three-phase incoming line copper bar 1310 and a second ac contactor 1311 from top to bottom; the fourth access area D is sequentially installed with an ac power meter 1312, a first switching power supply 1313 and a fourth switching power supply 1314 from top to bottom.

Specifically, referring to fig. 9, three-phase incoming line copper bar 1310 is provided with three-phase connection lines TPA1, TPA2 and TPA 3. During wiring, a power input line on the alternating current input side is connected with three-phase wiring of TPA1, TPA2 and TPA3 of the three-phase incoming line copper bar 1310 respectively, the three-phase wiring of TPA1, TPA2 and TPA3 passes through an alternating current plastic shell circuit breaker 1215 and then passes through three current transformers 30 used for current detection and then is sequentially connected to the input end of the second alternating current contactor 1311, and the output end of the second alternating current contactor 1311 is connected with an alternating current input copper bar 40 used for connecting the input end of the charging module group 1200. Before the lead wire of the alternating current plastic shell breaker 1215 is plugged, whether the lead wire is long enough needs to be confirmed. If the outgoing line is long enough, cutting according to the required length, and then crimping the cold-pressed terminal; if the lead wire is not long enough, the length of the lead wire is increased with the closed terminal.

This mode of setting up is with the space split of whole left chamber 13 reasonable, troubleshooting when being convenient for maintain and repair, if need change the device also can find trouble device fast and change.

Further, a wire through hole 1300 for an output cable and a communication cable is provided on the right side of the upper half 130 of the left chamber. Two wire through holes 1300 are provided for the output cables and the communication cables of the left and right rows of charging modules to pass through to the dc output access area. And a wire bridge (not shown in the figure) for fixing the alternating current power input cable and the direct current output cable by using a binding belt is reserved on the right side wall.

Furthermore, the back wall is provided with an empty gun seat (not shown in the figure) for hanging the charging gun, the empty gun seat comprises a first empty gun seat for hanging the first charging gun and a second empty gun seat for hanging the second charging gun, and the first empty gun seat and the second empty gun seat are respectively arranged at the left side and the right side of the middle part of the back wall. The cabinet door that can open is not disposed to the rear wall, and this mode of setting can save the rear space that the machine installation needs. The gun line of a general high-power charger is thick, if the charging gun is arranged in the middle of the front door 21, the front face of the gun line is bent forwards, so that the appearance is attractive, the gun line is arranged at the rear part of the charger and is placed into an empty gun seat from two sides, and the charger in an idle state is more attractive.

According to one aspect of the charger, the non-vehicle-mounted charger can be conveniently installed and maintained in a small size, each cabinet door can be opened to directly install and maintain the electric devices in the corresponding installation area of the cavity structure 104, the charger is convenient and efficient, and the electric devices are installed in the cavity structure 104 in a partitioning mode, so that the fault parts can be conveniently and quickly positioned and maintained; on the other hand, the cabinet body 10 of the cabinet has a compact structure, the space is fully utilized, the size of the charger is reduced, the cost is saved, and meanwhile, the troubleshooting of faulty electrical devices is facilitated. The electric device on the front door 21 of the charger is detachably connected with the front door 21, so that the fault electric device can be conveniently replaced under the condition that the fault electric device cannot be repaired; in addition, this machine that charges make full use of the space on left side door 22 and the right side door 23, the installation detachable ventilation structure subassembly has realized the inside heat transfer with the outside air of rack body 10, effectively helps the heat dissipation of the interior electrical component of rack body 10, and the rational utilization space prolongs the life of machine that charges.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a no on-vehicle machine that charges of double-gun that three opened the door, includes: the rack cabinet body, install in the internal portion of rack cabinet charging module group, respectively with rack cabinet body articulated qianmen, left side door and right side door, the rack cabinet body includes: the device comprises a rear wall, a top cover and a base which are respectively arranged on the upper side and the lower side of the rear wall, and a cavity structure which is vertically arranged on the base; characterized in that, the cavity structure includes: a front cavity arranged corresponding to the front door, a right cavity arranged corresponding to the right side door, and a left cavity arranged corresponding to the left side door; the front cavity comprises an upper half area of a direct current output access area positioned at the upper part, a control system installation area positioned at the middle part and a lower half area of the direct current output access area positioned at the lower part, the right cavity comprises an upper half area of a right cavity positioned at the upper part and an alternating current input power access area positioned at the lower part, and the left cavity comprises an upper half area of a left cavity positioned at the upper part and an alternating current input charging module access area positioned at the lower part; the upper half area of the right cavity and the upper half area of the left cavity are communicated to form a communication cavity for mounting a charging module, the front side of the charging module faces a right side door, and the back side of the charging module faces a left side door;

a first charging gun negative electrode copper bar, a first charging gun positive electrode copper bar, a second charging gun negative electrode copper bar and a second charging gun positive electrode copper bar are sequentially arranged in the lower half area of the direct current output access area from left to right;

the first charging gun negative electrode copper bar is provided with a negative electrode upper copper bar, a first direct current contactor and a negative electrode lower copper bar from top to bottom; the first charging gun positive copper bar is provided with a positive electrode upper copper bar, a second direct current contactor and a positive electrode lower copper bar from top to bottom; the second charging gun negative electrode copper bar is provided with a negative electrode upper copper bar, a third direct current contactor and a negative electrode lower copper bar from top to bottom; the positive copper bar of the second charging gun is provided with a positive copper bar, a fourth direct current contactor and a positive copper bar from top to bottom;

a first current divider for sampling and measuring direct current is further arranged between the second direct current contactor and the positive lower copper bar on the positive copper bar of the first charging gun; a second current divider for sampling and measuring direct current is further arranged between the fourth direct current contactor and the positive lower copper bar on the positive copper bar of the second charging gun; a first fuse used for preventing overcurrent is arranged between the negative copper bar and the first direct current contactor on the first charging gun negative copper bar; and a second fuse used for preventing overcurrent is further arranged between the negative copper bar and the third direct current contactor on the second charging gun negative copper bar.

2. The three-door double-gun non-vehicle-mounted charger according to claim 1, characterized in that detachable ventilation structural assemblies are mounted on each cabinet body, and each ventilation structural assembly comprises a first ventilation structural assembly mounted on a left side door and a second ventilation structural assembly mounted on a right side door.

3. The three-door double-gun non-vehicle-mounted charger according to claim 2, wherein the first ventilation structure assembly is a fan installation assembly, a first side window for installing the fan installation assembly is arranged at the middle upper part of the left side door, and the fan installation assembly is installed on the left side door from outside to inside through the first side window; the second ventilation structure component is an air inlet filter screen component, a second side window used for installing the air inlet filter screen component is arranged on the middle upper portion of the right side door, and the air inlet filter screen component is installed on the right side door from outside to inside through the second side window.

4. The triple-door double-gun off-board charger according to claim 1, wherein the charging module group comprises eighteen charging modules arranged in two rows and nine rows, each row being sequentially arranged from bottom to top, and each row being arranged in two rows from left to right.

5. The three-door double-gun non-vehicle-mounted charger according to claim 4, characterized in that a first output copper bar positive copper bar, a first output copper bar negative copper bar, a second output copper bar positive copper bar and a second output copper bar negative copper bar are sequentially mounted from top to bottom in the upper half of the direct current output access area.

6. The three-door double-gun off-board charger according to claim 5, wherein the first output copper bar positive copper bar is connected to the output ends of the nine charging modules in the left row, and the first output copper bar negative copper bar is connected to the output ends of the nine charging modules in the left row; the second output copper bar positive copper bar is connected with the output ends of the nine charging modules arranged on the right row, and the second output copper bar negative copper bar is connected with the output ends of the nine charging modules arranged on the right row.

7. The triple-door double-gun non-vehicle-mounted charger according to claim 1, characterized in that the control system installation area is sequentially provided with a charging management unit, a monitoring board and a charging control board from top to bottom.

8. The three-door double-gun off-board charger according to claim 7, wherein the front door is sequentially provided with: the charging management unit is electrically connected with the indicator lamp panel, the display screen, the card reader and the loudspeaker assembly.

9. The triple-door double-gun non-vehicle-mounted charger according to claim 1, characterized in that a switching power supply is installed on the left side of a control system installation area; and a direct current electric energy meter is arranged on the left side of the lower half area of the direct current output access area, and a gun adapter plate is arranged on the bottom of the lower half area of the direct current output access area.

10. The three-door double-gun off-board charger according to claim 1, wherein the ac input power access area is sequentially provided with a first ac contactor, an input side protective ground row copper bar, an input side zero line copper bar, and an ac molded case circuit breaker from left to right.

11. The three-door double-gun non-vehicular charger according to claim 1, wherein the ac input charging module access area is sequentially provided with a three-phase incoming copper bar and a second ac contactor from top to bottom.

12. The tandem door twin-gun off-board charger according to claim 1, wherein a wire through hole for an output cable and a communication cable is provided on the right side of the upper half area of the left cavity.

13. The three-door double-gun off-board charger according to any one of claims 1 to 12, wherein the rear wall is provided with empty gun seats for hanging charging guns, and the empty gun seats are arranged on the left side and the right side of the middle part of the rear wall.