CN210693523U - Modularized charging equipment - Google Patents
Modularized charging equipment Download PDFInfo
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- CN210693523U CN210693523U CN201921652760.5U CN201921652760U CN210693523U CN 210693523 U CN210693523 U CN 210693523U CN 201921652760 U CN201921652760 U CN 201921652760U CN 210693523 U CN210693523 U CN 210693523U
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Abstract
The utility model discloses a charging device, which comprises a charging cabinet body, and an alternating current component, a rectifying component, a direct current component and a control component which are arranged in the charging cabinet body; the control assembly and the rectifying assembly are arranged at the upper part of the charging cabinet body, and the rectifying assembly is positioned behind the control assembly; the direct current assembly and the alternating current assembly are arranged at the lower part of the charging cabinet body, and the alternating current assembly is positioned below the direct current assembly; the alternating current component and the electrical components contained in the direct current component are connected by copper bars; a third electrical appliance element group contained in the control assembly is connected with the alternating current assembly and the direct current assembly through the plug-in terminal and the cable; the charging cabinet body is provided with an air inlet window and an air outlet window, and is provided with a first guide air channel for taking away heat generated by the rectifying assembly and the control assembly and a second guide air channel for taking away heat generated by the direct current assembly and the alternating current assembly. The utility model discloses can improve the availability factor of battery charging outfit in processes such as production, test and maintenance greatly.
Description
Technical Field
The utility model belongs to the technical field of direct current battery charging outfit, concretely relates to battery charging outfit of modularization.
Background
At present, the internal structure of the charging device is relatively independent in function, and other electrical devices are not obviously divided in function, so that the following defects exist: the assembly can not be carried out in parallel, and the cross operation causes the complex process programming and the poor manufacturability; the wiring among the electrical components is complex, and the error rate is high; in production, the test can be carried out only after the final assembly is finished, the test efficiency is low, and the problem searching and tracking are difficult; later-period maintenance personnel mostly adopt a simple mode of replacing devices, and are not favorable for deeply analyzing the fault reason; the variety of internal electrical components is various, and the interfaces are various, so that the standby parts are difficult to manage and use, and further difficulty is brought to subsequent equipment operation.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect that prior art exists, the utility model aims to provide a battery charging outfit with modularization and high protection characteristic to improve battery charging outfit in the availability factor of processes such as production, test and maintenance.
The utility model discloses a realize through following technical scheme:
a charging device comprises a charging cabinet body and functional components arranged in the charging cabinet body, wherein the functional components comprise an alternating current component, a rectifying component, a direct current component and a control component; the control assembly and the rectifying assembly are arranged at the upper part of the charging cabinet body, and the rectifying assembly is positioned behind the control assembly; the direct current assembly and the alternating current assembly are arranged at the lower part of the charging cabinet body, and the alternating current assembly is positioned below the direct current assembly;
the alternating current assembly comprises a first shell and a first electrical appliance element group arranged in the first shell; a first ventilation structure is arranged on the first shell; the electrical components in the first electrical component group are connected by copper bars; the electrical components contained in the first electrical component group are connected by copper bars; the alternating current assembly is connected with a three-phase alternating current power supply through the incoming line copper bar group and the cable, and is connected with the rectifying assembly through the outgoing line copper bar group and the cable;
the direct current assembly comprises a second shell and a second electrical appliance element group arranged in the second shell; a second ventilation structure is arranged on the second shell; the second electric appliance element group is arranged according to the function subarea and comprises a direct current output circuit area, a direct current discharge loop area and a control and measurement loop area; the electrical elements contained in the direct current output circuit area are connected by copper bars; the direct current assembly is connected with the rectifying assembly through the incoming line copper bar group and the cable, and is connected with a direct current load through the outgoing line copper bar group and the cable;
the rectifying assembly comprises an air inlet cover, a rectifying module, a supporting guide rail and an air outlet cover, the air inlet cover and the air outlet cover are respectively and fixedly connected with two side walls of the charging cabinet body, and the rectifying module is provided with a plurality of parallel rectifying sub-modules and is fixed between the air inlet cover and the air outlet cover through the supporting guide rail; the rectifier module is connected with the alternating current assembly and the direct current assembly through the plug-in terminal and the cable;
the control assembly comprises a third shell and a third electrical appliance element group arranged in the third shell; a third ventilation structure is arranged on the third shell; the electrical components in the third electrical component group are connected with the alternating current component and the direct current component through the plug-in terminals and the cables;
an air inlet window is formed in one side wall of the charging cabinet body, and an air outlet window is formed in the other side wall opposite to the air inlet window; the air inlet window and the air outlet window are of a shutter structure; this internal two types of direction wind channel that have of cabinet charges: the first guide air duct is used for allowing low-temperature air to enter from the upper part of the air inlet window and to be discharged from the air outlet window after passing through the rectifying component and the control component so as to take away heat generated by the rectifying component and the control component; the second guide air duct is used for supplying low-temperature air to enter from the lower part of the air inlet window and then is discharged from the air outlet window after passing through the direct current assembly and the alternating current assembly so as to take away heat generated by the direct current assembly and the alternating current assembly.
As a preferred scheme, the alternating current assembly, the rectifying assembly, the direct current assembly and the control assembly are installed in a drawer type mode and are fixed at corresponding positions of the charging cabinet body through supporting guide rails.
As a preferred scheme, the air outlet window is arranged at the upper part of the side wall of the charging cabinet body; the air outlet cover bottom of the rectification component is of an open structure, or the air inlet cover and the air outlet cover bottom are both of an open structure.
Preferably, the rectifier assembly further comprises a fixing bracket for arranging the plug-in terminal; the fixed support is arranged on one side, close to the rectification module, in the air outlet cover.
Preferably, the third electrical component group of the control assembly includes at least a relay and a contactor disposed at an upper portion of the third housing, a main control board disposed at a middle portion of the third housing, and a power supply disposed at a lower portion of the third housing.
Preferably, the control assembly is provided with wiring grooves between the upper part, the middle part and the lower part and on two sides for guiding and protecting the connecting cables between the third electrical device element groups.
Preferably, the first shell, the second shell and the third shell are made of conductive materials, so that shielding and protective grounding inside the functional assembly are facilitated.
Preferably, the first electrical component group of the ac assembly comprises at least a circuit breaker, an ac contactor, an ac meter and an air switch; the circuit breaker is electrically connected with the alternating current contactor T through a copper bar group; the first shell is internally provided with a middle plate which is transversely arranged along the vertical direction, and the first electrical appliance element group is arranged on the middle plate; the first shell is provided with an operation port, a wiring protection plate, an alternating current inlet, an alternating current outlet and a plug-in terminal for connecting the control assembly; the lateral wall all is equipped with the vent that constitutes first ventilation structure about first casing. Specifically, the first shell comprises a front cover plate, a bottom plate, a left side plate, a right side plate, an upper cover plate, a back plate and a middle plate arranged in parallel with the front cover plate; an operation port and a wiring protection plate are arranged on the front cover plate; the bottom plate is provided with a three-phase alternating current inlet and a plug-in terminal for connecting a control assembly; the first electrical component group is arranged on the middle plate; an alternating current outlet is arranged on the left side plate; and the left side plate and the right side plate are both provided with ventilation openings forming a first ventilation structure.
Preferably, the second electrical component group of the dc component comprises a dc contactor, a fast fuse and a shunt arranged in the dc output circuit region, a bleed-off resistor and a first relay arranged in the dc bleed-off circuit region, a dc meter and a second relay arranged in the control and measurement circuit region; the direct current contactor, the fast melting and the shunt are electrically connected through a copper bar; the direct current output circuit area and the outgoing line copper bar group are arranged on a back plate of the second shell, the control and measurement circuit area is arranged on one surface of the middle plate, and the direct current discharge circuit area is arranged on the other surface of the middle plate; the second shell is provided with an observation window and a plug-in terminal for connecting the control assembly; and the left side plate and the right side plate are both provided with ventilation openings forming a second ventilation structure. Specifically, the second shell comprises a front cover plate, a bottom plate, a left side plate, a right side plate, an upper cover plate, a back plate and a middle plate arranged in parallel with the front cover plate; the front cover plate is provided with an observation window and a plug-in terminal for connecting a control assembly; the direct current output circuit region is arranged on the rear back plate; the control and measurement circuit area is arranged on the front surface of the middle plate; the direct current discharge circuit area is arranged on the back surface of the middle plate; the outlet copper bar group is arranged on the rear back plate; the bottom plate, the left side plate, the right side plate and the upper cover plate are all provided with ventilation openings forming a second ventilation structure.
As a preferred scheme, charging cable placing area is reserved at the bottom of the charging cabinet body.
As a preferred scheme, a fan module is further arranged at the air outlet window.
The utility model discloses following beneficial effect has:
the novel design of the internal structure of the charging equipment is characterized in that the arrangement of the electric elements is divided according to functions according to the direct current charging principle to form relatively independent electric functional components; the electrical functional component realizes a drawer type installation mode through a supporting guide rail; the alternating current component and the direct current component are connected by adopting a copper bar, so that the integration level is high, and the occupied space is small; adopt the cable and to inserting the terminal connection between the functional assembly, the subassembly can realize when installation and maintenance only need dismantle terminal and subassembly fastening screw can, it obtains improving to maintain the convenience.
The innovative design of the heat dissipation technology of the charging equipment is characterized in that the air inlet position and the air outlet position are utilized, a large amount of air realizes concentrated heat dissipation through a rectification component with larger power consumption, and a small part of air takes away heat through each internal functional component; the air channel is relatively centralized in position, and the protection performance of the equipment is improved more easily.
Therefore, the utility model discloses carried out the innovative design in two aspects of battery charging outfit's modularization and thermal diffusivity, structural hierarchy is clear, heat dissipation reasonable in design, easily realize, effectively promoted battery charging outfit life, promoted battery charging outfit in the availability factor of processes such as production, test and maintenance to and the flexibility of operator spare parts management, enlarged its application, promoted its market competition.
Drawings
FIG. 1: an electrical schematic of the charging device;
FIG. 2: (a) the appearance schematic diagram of the overall structure of the charging equipment, (b) the explosion schematic diagram of the overall structure of the charging equipment;
FIG. 3: (a) an alternating current assembly structure schematic diagram 1, (b) an alternating current assembly structure schematic diagram 2;
FIG. 4: (a) a schematic structural diagram of the rectifying assembly 1, (b) a schematic structural diagram of the rectifying assembly 2, and (c) a partially enlarged schematic structural diagram of the rectifying assembly;
FIG. 5: (a) a direct current component structure schematic diagram 1, (b) a direct current component structure schematic diagram 2;
FIG. 6: (a) a schematic structural diagram of a control assembly 1, (b) a schematic structural diagram of a control assembly 2;
FIG. 7: a schematic diagram of a heat dissipation channel of a charging device.
Detailed Description
The technical solution in the embodiments of the present invention will be described in more detail with reference to the accompanying drawings in the embodiments of the present invention, wherein the described embodiments are only some embodiments of the present invention, not all embodiments, and are not taken as a basis for limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back, horizontal, vertical, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the devices, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. The connection may be direct or indirect. The term "disposed" or "disposed" may be directly or indirectly disposed.
The utility model discloses an overall thinking does: according to the electrical function and the structural layout, a functional assembly is formed, so that the installation, test and maintenance efficiency is improved conveniently; the problem of heat dissipation and ventilation of all components in the system is solved by adopting the ventilation distributed according to the needs; the components and the charging equipment are coordinated and unified in electricity, structure and heat dissipation, the requirement that one charging equipment charges for a plurality of loads is more easily met, and the equipment integration level is improved.
Firstly, in the charging equipment with the modularization characteristic, according to four major parts of input, conversion, output and control of electric energy, the charging equipment is sequentially divided into an alternating current component, a rectifying component, a direct current component and a control component according to electric functions, and electric elements (devices for short) contained in the same electric functional component are integrated in the same shell, so that the volume is reduced to the maximum extent; in order to reduce the relevance between the interior of the assembly and the cabinet, the conductive metal plate is used as the assembly shell, so that the shielding and the protective grounding of the interior of each assembly are facilitated, and the relatively complete shell structure blocks the interference of external electromagnetic interference on devices or signals in the assembly; further, the interface position between each subassembly adopts to plug in the terminal connection, and the subassembly is whole can adopt the structure that has the mode of direction to fix charging the cabinet this internally to promote the subassembly installation convenience. Each subassembly also adopts the plug terminal with other electrical connections in the cabinet, can realize independent assembly and test each other, each other does not influence. According to the arrangement mode of all components in the charging cabinet body, two types of ventilation air channels (namely heat dissipation channels) are formed in the cabinet, one type of ventilation air channel transversely penetrates through the rectifying component to take away most heat, the other type of ventilation air channel is used for heat dissipation of other components, and the ventilation structures designed on the shells of the alternating current component, the rectifying component, the direct current component and the control component form the ventilation air channels among the components, so that the system heat dissipation of the device is facilitated, and the reliability of the device in operation is improved.
Referring to fig. 1 to 7, a modular charging apparatus (hereinafter, referred to as a charging apparatus) is disclosed in an embodiment.
As shown in fig. 1, which discloses an electrical schematic diagram of a charging device, a region enclosed by a dotted line indicates a range corresponding to a component divided by electrical functions, and mainly includes an ac unit 11, a control unit 12, a rectifying unit 13, and a dc unit 14. The electric loop is designed according to the principle of each unit circuit to form relatively independent electric components, the curves among the components are connecting cables, and the external interfaces of the components adopt connecting terminals with corresponding models. The interior of each component can be expanded according to the functional requirements, for example, a rectifying module is connected in parallel in the rectifying unit 13 to improve the rectifying power, a plurality of charging output interfaces can be realized by connecting the direct current relay in parallel with the direct current unit 14, and meanwhile, power distribution among different charging output interfaces is realized.
As shown in fig. 2, the charging apparatus includes a charging cabinet body 7 and electrical components arranged inside the charging cabinet body 7, and the electrical components mainly include an ac component 3, a rectifier component 4, a dc component 5, and a control component 6. An air inlet window 71 is arranged on the right side wall of the charging cabinet body 7, the area of the air inlet window 71 is enough to cover all electrical components corresponding to the right side wall, an air outlet window 72 is arranged on the upper half part of the left side wall, and the area of the air outlet window 72 at least can cover an air outlet of the rectifying component 4 so as to ensure that heat generated by the rectifying component can be taken away in time; the air inlet and outlet windows can be designed by adopting shutters, and a plurality of fan modules can be arranged at the air outlet window 72. The front side of the charging cabinet body is provided with a man-machine interaction screen, a charging state indicator lamp, a charging unit, an emergency stop button and other devices. In the cabinet body 7 that charges, control assembly 6 and rectification subassembly 4 all are located the upper portion of the cabinet body, and rectification subassembly 4 transverse arrangement (business turn over wind direction) is in control assembly 6 rear side, and direct current subassembly 5 and interchange subassembly 3 are located the lower part of the cabinet body, and interchange subassembly 3 is located direct current subassembly 5 downside and has the certain distance from the cabinet bottom to guarantee that the bottommost leaves the reservation section that is used for placing the charging cable who arranges. Each electric component inside the cabinet body that charges becomes the modularized design, and is relatively independent, adopts cable cooperation connecting terminal to realize electrical connection between each electric component.
The alternating current assembly is a concrete realization of the alternating current unit 11 in structure, generally comprises a circuit breaker, an alternating current contactor, an alternating current CT (current transformer), an alternating current meter, a lightning protection device, an air switch and other devices, and the internal devices are mainly electrically connected through a copper bar connection mode. The AC component has the outstanding characteristics that the integration level of electrical elements is improved by utilizing the copper bar connection, the input and output terminals are visual and simple, the operation is convenient, and the component shell is utilized for shielding and protecting grounding.
As shown in fig. 3, the casing of the ac module is mainly composed of a front cover plate 31, a bottom plate 32, a left side plate 33, a right side plate 34, an upper cover plate 35, a back plate 36, and an intermediate plate 37 fixed between the left and right side plates. A plurality of operation windows 312 are arranged at appropriate positions of the upper middle part of the front cover plate 31, so that common devices can be checked and operated conveniently, and a wiring protection plate 311 is further installed on the front cover plate 31 and used for wiring and safety isolation conveniently. The bottom plate 32 is provided with a 380V three-phase ac inlet 321, a plug terminal 322 for connecting the control module 6, a ground screw 324 for protecting ground, and a strip-shaped vent 323. The left side plate 33 is provided with an alternating current outlet 331 and a strip-shaped ventilation opening 332. The upper cover 35 is also provided with a plurality of strip-shaped ventilation openings 351. Likewise, the right side plate 34 is also provided with a plurality of strip-shaped ventilation openings 341. In the shell, a circuit breaker 381, an alternating current contactor 382 and an alternating current CT383 are fixed on the middle plate 37 and are electrically connected through a copper bar group; the three-phase alternating current is connected with an alternating current inlet copper row group 384 through an alternating current cable penetrating through an alternating current inlet 321, the alternating current contactor 382 is further connected with an alternating current outlet copper row group 385 through a conversion copper row group, and then is connected with the rectifying component 4 through an alternating current cable penetrating through an alternating current outlet 331. And an alternating current meter 386, an air switch 387 and the like are fixed on the other surface of the middle plate 37 and are connected with the incoming line copper row group 384 through cables.
The rectifying component is a concrete implementation of the rectifying unit 13 in structure, and mainly comprises a rectifying module, wherein the rectifying module is provided with a plurality of parallel rectifying submodules, and different power levels can be selected to be combined according to needs. The air inlet cover and the air outlet cover of the rectifying assembly are respectively fixed on two opposite side walls of the charging cabinet body, and the rectifying module is fixed between the air inlet cover and the air outlet cover through the guide supporting structure. The alternating current cable and the direct current cable of the rectifier module are externally connected through the plug-in terminal, and each rectifier module is protected and grounded through the incoming line of the rectifier component shell. The rectifier assembly has the outstanding characteristics of convenient installation and maintenance, convenient plugging and unplugging of the rectifier module by the guide supporting structure and convenient disassembly of the structure externally mounted with the plugging and unplugging terminal.
As shown in fig. 4, the fairing assembly mainly includes a fairing module 41, a support rail 42, an air inlet cover 43, an air outlet cover 44 and a fixing bracket 45. The rectifier module 41 is mainly composed of a plurality of parallel rectifier sub-modules. The air inlet cover 43 is an approximately rectangular frame structure, the side plate 431 of the air inlet cover 43 is provided with a lock hole 432 and a plurality of vent holes 433, the bottom is an open structure 434, and as shown in fig. 7, the open structure 434 is beneficial to increasing the air inlet area of the downwind area 122. The air outlet cover 44 is also an approximately rectangular frame structure, a lock hole 442 is formed in a side plate 441 of the air outlet cover 44, a plurality of vent holes 443 and cable tie holes 444 are further formed in the side plate 441 of the air outlet cover 44, an open structure 445 is formed in the bottom of the air outlet cover, and as shown in fig. 7, the open structure 445 facilitates the fan module to introduce heat of the lower portion of the charging device into the air outlet cover 44, so that the heat is discharged out of the charging device, and a heat dissipation effect. The supporting guide rail 42 comprises a plurality of groups for supporting each rectifier module, two ends of the supporting guide rail 42 are respectively and fixedly connected with the air inlet cover 43 and the air outlet cover 44, the other ends of the air inlet cover 43 and the air outlet cover 44 are respectively and fixedly connected with the side wall of the charging cabinet body 7, and the rectifier assembly 4 is locked on the upper portion of the charging cabinet body 7 through the lock hole 432 and the lock hole 442 and an inner lock matched with the lock hole and the lock hole. Fixed bolster 447 sets up in air-out cover 44 near one side of rectifier module 41 for fixed plug 448 and plug 449, and the plug is installed in the fixed bolster 447 outside (being 41 one side of rectifier module dorsad promptly), dismantles through the screw when conveniently using and maintains, and plug 448 and plug 449 are used for connecting direct current cable and alternating current cable respectively, and rectifier module 41 passes through direct current cable connection direct current subassembly 5, through alternating current cable connection alternating current subassembly 3. The side wall of the wind outlet housing is provided with a plurality of holes 450 for protecting and grounding the rectifier module 41.
The dc component is a specific structural implementation of the dc unit 14, and generally includes electrical components such as a dc meter, a dc contactor, a bleeder resistor, a fast fuse, a dc sampling, and the like. The direct current assembly is characterized in that the direct current assembly is designed in a layered mode, a plurality of charging loads can be configured on the charging equipment, a direct current contactor is adopted between each charging load and the rectifying module 41 for electrical control, and the direct current contactors can also be adopted between the charging loads for electrical control, so that multi-loop direct current output of a parallel connection and bridging structure is formed and is arranged on the first layer (close to the back face of the shell), a direct current discharge loop is arranged on the second layer, and other devices are arranged on the third layer (close to the front face of the shell). The main circuit in the direct current assembly is also connected by the copper bar so as to improve the manufacturability of connection of electrical elements, and the direct current assembly is clear in internal level and function and convenient to subsequently overhaul and maintain.
As shown in fig. 5, the housing of the dc assembly is mainly composed of a front cover plate 51, a right side plate 52, a left side plate 53, an upper cover plate 54, a bottom plate 55, a back plate 56, and an intermediate plate 57. The front cover plate 51 is provided with an observation window 511 and a plug-in terminal 512 for connecting the control component 6; the right side plate 52 is provided with a ventilation window 521; a ventilation window 531 is arranged at the position of the left side plate 53 opposite to the ventilation window 521; the upper cover plate 54 is provided with a plurality of strip-shaped ventilation openings 541 which are arranged equally; the base plate 55 is provided with windows 551 for wiring and ventilation. Inside the shell, the fast fuse 581, the shunt 582 and a direct current contactor 583 installed on the back panel 56 are electrically connected through a copper bar group; and the rear back plate 56 is also provided with an outlet copper bar group 561, the outlet copper bar group 561 penetrates through the window 551 and extends downwards to the outside of the shell, so that the operation and maintenance are convenient, and the outlet copper bar group 561 is connected with a switching copper bar fixed in the cabinet 7 to realize the connection with a direct current load outside the cabinet. The incoming copper busbar group 562 is connected to a plug 448 of the rectifier module 41 through a cable, so that a plurality of rectifier sub-modules transmit direct current to the incoming copper busbar group 562 through the cable, and the direct current passes through a direct current output circuit of a parallel and bridge structure and then is sent to a direct current load through the outgoing copper busbar group 561 according to control requirements. An intermediate plate 57 is vertically arranged in the housing, the intermediate plate 57 is fixed between the side plate 52 and the side plate 53 and is parallel to the front cover plate 51, a direct current meter 584, a relay 585 and the like are fixed on the front surface (facing the front cover plate 51) of the intermediate plate 57, and devices such as a bleeder resistor 586 and a relay 587 are fixed on the back surface of the intermediate plate 57. Through above-mentioned structure, realize the compatibility of function and structure, reach the effect of function subregion, promptly: the first functional area (first layer) is a direct current output circuit and mainly comprises a fast fuse 581, a shunt 582 and a direct current contactor 583; the second functional zone (second layer) is a direct current leakage loop and mainly comprises a leakage resistor 586 and a relay 587; the third functional area (third layer) is a control and measurement loop and mainly comprises a direct current meter 584 and a relay 585. The partition mode according to the functions has concise and clear contents when an assembly process is compiled, and can quickly position the position of a device when the device is maintained, thereby greatly improving the manufacturability of equipment during manufacturing and the convenience during maintenance.
The control component is a concrete implementation of the structure of the control unit 12, and is generally composed of a relay, a switching power supply, a main control board and the like. The outstanding characteristics of control assembly lie in that low pressure control device and signal processing unit concentrate and place, have reduced signal transmission decay, simultaneously, realize through inserting the terminal to the external connection, and the casing adopts conducting material, has promoted electromagnetic shield effect, has better interference killing feature. The connecting cable in the control assembly is placed in a pre-arranged wiring groove, is tidy and orderly, is convenient to identify, and simultaneously strengthens the protection of the cable.
As shown in fig. 6, the housing of the control assembly 6 is mainly composed of a front cover 61 and a cartridge body 62. The front cover plate 61 is used for sealing and protecting internal devices of the control assembly 6, the box body 62 is provided with a plug terminal 621 which can be directly plugged and unplugged and is used for external connection at the top, the left side wall and the right side wall are respectively provided with a plurality of openings 623 and openings 624, the bottom is also provided with a plurality of openings 625, heat dissipation channels are formed through the openings on the box body 62, and different ventilation areas in the charging device can be communicated according to a set path as shown in fig. 7. In the case, electrical components are mounted and fixed through a rear plate of the cartridge body 62, devices such as a relay 631 and a contactor 632 are mounted in an upper region, a main control board 633 is mounted in a middle region, and devices such as a power supply 634 and a signal conversion board 635 are mounted in a lower region. Cabling channels 64 are arranged between adjacent regions in the box body 62 and on two sides of the regions, and connecting cables between devices penetrate through the cabling channels 64 to guide and protect the cables.
In order to facilitate the installation and fixation of each functional component, a plurality of groups of supporting guide rails are arranged at corresponding positions of the charging cabinet body 7. When the multifunctional combined drawer is used, after the installation, connection and test of devices in each functional assembly are completed, the functional assemblies are integrally pushed into the supporting guide rails at the corresponding positions and are fixed by fastening screws, so that the multifunctional combined drawer is similar to a drawer in use and is convenient to disassemble and assemble.
As shown in fig. 7, a schematic diagram of the distribution of the heat dissipation channels of the charging device is given. According to the fact that the rectifying assembly 4 and the control assembly 6 are located on the upper portion of the charging device, the direct current assembly 5 and the alternating current assembly 3 are located on the lower portion of the charging device, low-temperature air is divided into an upwind area 121 and a downwind area 122, and enters the interior of the device through the air inlet window 71. The heat generated by the rectifying component 4 is the main part of the heat generation of the charging device, and needs most of the low-temperature air to cool, and meanwhile, there are devices sensitive to high temperature in the control component 6 to cool, therefore, when the air duct is designed, because the side plate of the air inlet cover 43 is provided with the small vent hole 433, the ventilation area is much smaller relative to the rectangular ventilation structure of the air inlet cover 43, therefore, most of the air 1211 of the upwind area 121 passes through the rectifying component 4 (from the air inlet cover 43 to the air outlet cover 44), and a small part of the air 1212 passes through the control component 6 (from the opening 623 to the opening 624), and finally the heat at the upper part in the charging device is taken away through the air outlet window. In the downwind area 122, in order to enhance heat dissipation of temperature-sensitive electrical components, when an air duct structure is designed, the air vents 341 to 332 of the ac component, the air vents 521 to 531 of the dc component all play a main role in guiding air, the open structure 434 of the air inlet cover 43 of the rectifier component, and other ventilation structures of the ac component and the dc component casing can play an auxiliary role in guiding air, so that a part of the air 1221 passes through the dc component 5, another part of the air 1222 passes through the ac component 3, and then the heat in the lower part of the charging device is taken away through the air outlet window 72 from bottom to top. Therefore, the design of the heat dissipation channel of the charging equipment meets the requirement that the ventilation volume is distributed according to the requirement of the components, and structurally meets the requirements that the structures of the components are relatively independent and the components are convenient to disassemble and maintain.
Finally, it should be noted that, although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments and application fields, and the above-mentioned embodiments are only illustrative and instructive, but not limiting. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the claims.
Claims (10)
1. The charging equipment is characterized by comprising a charging cabinet body and functional components arranged in the charging cabinet body, wherein the functional components comprise an alternating current component, a rectifying component, a direct current component and a control component; the control assembly and the rectifying assembly are arranged at the upper part of the charging cabinet body, and the rectifying assembly is positioned behind the control assembly; the direct current assembly and the alternating current assembly are arranged at the lower part of the charging cabinet body, and the alternating current assembly is positioned below the direct current assembly;
the alternating current assembly comprises a first shell and a first electrical appliance element group arranged in the first shell; a first ventilation structure is arranged on the first shell; the electrical components contained in the first electrical component group are connected by copper bars; the alternating current assembly is connected with a three-phase alternating current power supply through the incoming line copper bar group and the cable, and is connected with the rectifying assembly through the outgoing line copper bar group and the cable;
the direct current assembly comprises a second shell and a second electrical appliance element group arranged in the second shell; a second ventilation structure is arranged on the second shell; the second electric appliance element group is arranged according to the function subarea and comprises a direct current output circuit area, a direct current discharge loop area and a control and measurement loop area; the electrical elements contained in the direct current output circuit area are connected by copper bars; the direct current assembly is connected with the rectifying assembly through the incoming line copper bar group and the cable, and is connected with a direct current load through the outgoing line copper bar group and the cable;
the rectifying assembly comprises an air inlet cover, a rectifying module, a supporting guide rail and an air outlet cover, the air inlet cover and the air outlet cover are respectively and fixedly connected with two side walls of the charging cabinet body, and the rectifying module is provided with a plurality of parallel rectifying sub-modules and is fixed between the air inlet cover and the air outlet cover through the supporting guide rail; the rectifier module is connected with the alternating current assembly and the direct current assembly through the plug-in terminal and the cable;
the control assembly comprises a third shell and a third electrical appliance element group arranged in the third shell; a third ventilation structure is arranged on the third shell; the electrical components in the third electrical component group are connected with the alternating current component and the direct current component through the plug-in terminals and the cables;
an air inlet window is formed in one side wall of the charging cabinet body, and an air outlet window is formed in the other side wall opposite to the air inlet window; this internal two types of direction wind channel that have of cabinet charges: the first guide air duct is used for allowing low-temperature air to enter from the upper part of the air inlet window and to be discharged from the air outlet window after passing through the rectifying component and the control component so as to take away heat generated by the rectifying component and the control component; the second guide air duct is used for supplying low-temperature air to enter from the lower part of the air inlet window and then is discharged from the air outlet window after passing through the direct current assembly and the alternating current assembly so as to take away heat generated by the direct current assembly and the alternating current assembly.
2. The charging device according to claim 1, wherein the ac assembly, the rectifying assembly, the dc assembly and the control assembly are installed in a drawer type and fixed to the charging cabinet body through a support rail.
3. The charging device according to claim 1 or 2, wherein the air outlet window is arranged at an upper portion of a side wall of the charging cabinet body; the air inlet window and the air outlet window are of a shutter structure; the air outlet cover bottom of the rectification component is of an open structure, or the air inlet cover and the air outlet cover bottom are both of an open structure.
4. The charging apparatus as set forth in claim 1 or 2, wherein the third electrical component group of the control module includes at least a relay and a contactor disposed at an upper portion of the third housing, a main control board disposed at a middle portion of the third housing, and a power supply disposed at a lower portion of the third housing.
5. The charging apparatus according to claim 1 or 2, wherein the rectifying assembly further comprises a fixing bracket for arranging a docking terminal; the fixed support is arranged on one side, close to the rectification module, in the air outlet cover.
6. The charging apparatus according to claim 1 or 2, wherein the first electrical component group of the alternating current assembly includes a circuit breaker, an alternating current contactor, an alternating current meter, and an air switch; the circuit breaker is electrically connected with the alternating current contactor through a copper bar group; the first shell is internally provided with a middle plate which is transversely arranged along the vertical direction, and the first electrical appliance element group is arranged on the middle plate; the first shell is provided with an operation port, a wiring protection plate, an alternating current inlet, an alternating current outlet and a plug-in terminal for connecting the control assembly; the lateral wall all is equipped with the vent that constitutes first ventilation structure about first casing.
7. A charging device according to claim 1 or 2, characterized in that the second group of electrical components of the direct current assembly comprises a direct current contactor, a fast fuse and a shunt arranged in the region of the direct current output circuit, a bleed resistor and a first relay arranged in the region of the direct current bleed circuit, a direct current meter and a second relay arranged in the region of the control and measurement circuit; the direct current contactor, the fast melting and the shunt are electrically connected through a copper bar; the second shell comprises a front cover plate, a bottom plate, a left side plate, a right side plate, an upper cover plate and a back plate, a middle plate transversely arranged along the vertical direction is further arranged in the second shell, the direct current output circuit area and the outgoing line copper bar group are arranged on the back plate of the second shell, the control and measurement circuit area is arranged on one surface of the middle plate, and the direct current discharge circuit area is arranged on the other surface of the middle plate; the second shell is provided with an observation window and a plug-in terminal for connecting the control assembly; and the left side plate and the right side plate are both provided with ventilation openings forming a second ventilation structure.
8. A charging device according to claim 1 or 2, characterised in that wiring channels are provided between the upper, middle and lower parts of the control assembly and on both sides for guiding and protecting the connection cables between the third groups of electrical elements.
9. The charging apparatus as claimed in claim 1 or 2, wherein the first housing, the second housing and the third housing are made of conductive material, so as to facilitate shielding and protective grounding inside the functional assembly.
10. The charging device according to claim 1 or 2, wherein a charging cable placing area is reserved at the bottom of the charging cabinet body; and a fan module is also arranged at the air outlet window.
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CN201921652760.5U CN210693523U (en) | 2019-09-30 | 2019-09-30 | Modularized charging equipment |
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CN201921652760.5U CN210693523U (en) | 2019-09-30 | 2019-09-30 | Modularized charging equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114765425A (en) * | 2022-05-17 | 2022-07-19 | 广东首航智慧新能源科技有限公司 | Parallel assembly of rectifier modules, rectifier cabinet and direct-current power supply system thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114765425A (en) * | 2022-05-17 | 2022-07-19 | 广东首航智慧新能源科技有限公司 | Parallel assembly of rectifier modules, rectifier cabinet and direct-current power supply system thereof |
CN114765425B (en) * | 2022-05-17 | 2023-01-17 | 上海百竹成航新能源有限责任公司 | Parallel assembly of rectifier modules, rectifier cabinet and direct-current power supply system thereof |
US11742772B1 (en) | 2022-05-17 | 2023-08-29 | Shanghai Baizhu Chenghang New Energy Co., Ltd. | Parallel assembly of rectifier modules, rectifier cabinet and dc power supply system thereof |
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