CN207098711U - A kind of portable charger - Google Patents

A kind of portable charger Download PDF

Info

Publication number
CN207098711U
CN207098711U CN201721080905.XU CN201721080905U CN207098711U CN 207098711 U CN207098711 U CN 207098711U CN 201721080905 U CN201721080905 U CN 201721080905U CN 207098711 U CN207098711 U CN 207098711U
Authority
CN
China
Prior art keywords
module
power supply
frame
fixed
charging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721080905.XU
Other languages
Chinese (zh)
Inventor
田会莉
李顺章
张平均
周斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Hopewell Intelligent Electric Co Ltd
Original Assignee
Wuhan Hopewell Intelligent Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Hopewell Intelligent Electric Co Ltd filed Critical Wuhan Hopewell Intelligent Electric Co Ltd
Priority to CN201721080905.XU priority Critical patent/CN207098711U/en
Application granted granted Critical
Publication of CN207098711U publication Critical patent/CN207098711U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

本实用新型涉及一种手提式充电机,包括:一箱体、一充电系统,所述充电系统设于所述箱体内;箱体包括:一框架、一前板、一后板、两个侧板、一顶板、一斜面板及底板;充电系统包括一电源接口、一电源开关、一第一供电模块、一第二供电模块、一充电模块、一液晶屏、一控制模块、一绝缘检测模块及一直流接触模块。本实用新型所述的一种手提式充电机,结构小巧,便于携带,充电操作简单,充电机内部结构采用模块化设计,具有便于更换、安装调试方便、运行维护简单等特点。

This utility model relates to a portable charger, comprising: a housing and a charging system, wherein the charging system is disposed within the housing; the housing includes: a frame, a front panel, a rear panel, two side panels, a top panel, a sloping panel, and a bottom panel; the charging system includes a power interface, a power switch, a first power supply module, a second power supply module, a charging module, an LCD screen, a control module, an insulation detection module, and a DC contact module. The portable charger of this utility model is compact, easy to carry, and simple to operate. Its internal structure adopts a modular design, making it easy to replace, install, debug, and maintain.

Description

一种手提式充电机A portable charger

技术领域technical field

本实用新型涉及电动汽车电力设备技术,特别是涉及一种手提式充电机。The utility model relates to electric vehicle power equipment technology, in particular to a portable charger.

背景技术Background technique

国内新能源汽车发展势头迅猛,已形成一个围绕着电动汽车而形成的巨大新兴产业链,而直流充电机作为新能源汽车上主要配套产品,其可靠性与稳定性从电动车发展之初就一直备受关注。随着电动车充电机行业的发展,直流充电机已经能够满足电动车的功能性需求,但是随着电动车向轻量化、集成化的方向发展,固定地点的充电站、大体积的落地充电机显然已经不能够满足电动车的需求。因此携带运输方便的手提式充电机应运而生。Domestic new energy vehicles are developing rapidly, and a huge emerging industrial chain has been formed around electric vehicles. As the main supporting product for new energy vehicles, DC chargers have always been reliable and stable since the beginning of the development of electric vehicles. much attention. With the development of the electric vehicle charger industry, DC chargers have been able to meet the functional requirements of electric vehicles, but with the development of electric vehicles towards lightweight and integrated Obviously, it is no longer able to meet the needs of electric vehicles. Therefore, portable chargers that are easy to carry and transport come into being.

实用新型内容Utility model content

本实用新型的目的是针对上述现状,提供一种手提式充电机。The purpose of this utility model is to provide a portable charger aiming at the present situation above.

本实用新型采用的技术方案为:一种手提式充电机,包括:一箱体、一充电系统,所述充电系统设于所述箱体内;所述箱体包括:一框架、一前板、一后板、两个侧板、一顶板、一斜面板及底板,所述前板、所述后板、所述侧板、所述顶板、所述斜面板及所述底板均设置在所述框架上,使所述箱体内部形成一容置空间,所述框架将所述容置空间分隔为上容置空间及下容置空间。在所述下容置空间内,设有一固定板,所述框架上设有一提手,所述前板上开设有接线槽及充电槽,所述后板上开设有出风口及枪线槽,所述顶板上开设有提手口,所述框架上的提手穿设于提手口,所述斜面板开设有按键槽、开关槽及液晶屏槽,所述底板上设有若干垫片,所述固定板垂直所述底板设置。The technical solution adopted by the utility model is: a portable charger, including: a box body, a charging system, the charging system is arranged in the box body; the box body includes: a frame, a front plate, A rear plate, two side plates, a top plate, an inclined plate and a bottom plate, the front plate, the rear plate, the side plates, the top plate, the inclined plate and the bottom plate are all arranged on the On the frame, an accommodating space is formed inside the box body, and the accommodating space is divided into an upper accommodating space and a lower accommodating space by the frame. In the lower accommodating space, a fixed plate is provided, a handle is provided on the frame, a wiring slot and a charging slot are opened on the front panel, an air outlet and a gun wire slot are opened on the rear panel, There is a handle opening on the top plate, the handle on the frame is passed through the handle opening, the inclined panel is provided with key grooves, switch grooves and LCD screen grooves, and a number of gaskets are arranged on the bottom plate. The fixing plate is arranged vertically to the bottom plate.

本实用新型的效果是:本实用新型所述的一种手提式充电机,结构小巧,便于携带,充电操作简单,充电机内部结构采用模块化设计,具有便于更换、安装调试方便、运行维护简单等特点。The effect of the utility model is: the portable charger described in the utility model has a compact structure, is easy to carry, and the charging operation is simple. Features.

附图说明Description of drawings

图1所示为本实用新型提供的一种手提式充电机的示意图;Figure 1 is a schematic diagram of a portable charger provided by the utility model;

图2所示为本实用新型提供的一种手提式充电机的内部结构示意图;Figure 2 is a schematic diagram of the internal structure of a portable charger provided by the utility model;

图3所示为本实用新型提供的一种手提式充电机的充电系统原理图;Figure 3 is a schematic diagram of a charging system of a portable charger provided by the utility model;

图中:1—箱体,11—框架,111—提手,12—前板,121—接线槽,122—充电槽,13—后板,131—出风口,132—枪线槽,14—侧板,15—顶板,151—提手口,16—斜面板,161—按键槽,162—开关槽,163—液晶屏槽,17—底板,171—垫片,18—固定板,2—充电系统,21—电源接口,22—电源开关,23—第一供电模块,24—第二供电模块,25—充电模块,26—液晶屏,27—控制模块,271—控制电路,272—按键控制器,28—绝缘检测模块,29—直流接触模块,291—直流接触器,292—枪线接口。In the figure: 1—box body, 11—frame, 111—handle, 12—front panel, 121—wiring slot, 122—charging slot, 13—rear panel, 131—air outlet, 132—gun wire slot, 14— Side panel, 15—top panel, 151—handle opening, 16—inclined panel, 161—key slot, 162—switch slot, 163—LCD screen slot, 17—bottom plate, 171—gasket, 18—fixed plate, 2—charging System, 21—power interface, 22—power switch, 23—first power supply module, 24—second power supply module, 25—charging module, 26—LCD screen, 27—control module, 271—control circuit, 272—button control Device, 28—insulation detection module, 29—DC contact module, 291—DC contactor, 292—gun line interface.

具体实施方式Detailed ways

下面结合附图介绍本实用新型提供的手提式充电机:Introduce the portable charging machine that the utility model provides below in conjunction with accompanying drawing:

请参阅图1、图2及图3,为本实用新型提供的一种手提式充电机,其包括:一箱体1、一充电系统2。充电系统2设于箱体1内。Please refer to FIG. 1 , FIG. 2 and FIG. 3 , which is a portable charger provided by the utility model, which includes: a box body 1 and a charging system 2 . The charging system 2 is arranged in the box body 1 .

箱体1包括:一框架11、一前板12、一后板13、两个侧板14、一顶板15、一斜面板16及底板17。The box body 1 includes: a frame 11 , a front panel 12 , a rear panel 13 , two side panels 14 , a top panel 15 , an inclined panel 16 and a bottom panel 17 .

前板12、后板13、两个侧板14、顶板15、斜面板16及底板17均设置在框架11上,使箱体1内部形成一容置空间,框架11将容置空间分隔为上容置空间及下容置空间。在下容置空间内,设有一固定板18。Front plate 12, rear plate 13, two side plates 14, top plate 15, inclined plate 16 and bottom plate 17 are all arranged on the frame 11, so that an accommodation space is formed inside the box body 1, and the frame 11 divides the accommodation space into upper The accommodating space and the lower accommodating space. In the lower accommodation space, a fixing plate 18 is provided.

框架11上设有一提手111。A handle 111 is disposed on the frame 11 .

前板12上开设有接线槽121及充电槽122。A wiring slot 121 and a charging slot 122 are defined on the front panel 12 .

后板13上开设有出风口131及枪线槽132。An air outlet 131 and a wire slot 132 are provided on the rear panel 13 .

顶板15上开设有提手口151,框架11上的提手111穿设于提手口151。A handle opening 151 is opened on the top plate 15 , and the handle 111 on the frame 11 is passed through the handle opening 151 .

斜面板16开设有按键槽161、开关槽162及液晶屏槽163。The inclined panel 16 defines a button slot 161 , a switch slot 162 and a liquid crystal screen slot 163 .

底板17上设有若干垫片171,用于减小携带时对充电机的震动。The bottom plate 17 is provided with a number of pads 171 for reducing the vibration of the charger during carrying.

固定板18垂直底板17设置。The fixing plate 18 is arranged vertically to the base plate 17 .

充电系统2包括:一电源接口21、一电源开关22、一第一供电模块23、一第二供电模块24、一充电模块25、一液晶屏26、一控制模块27、一绝缘检测模块28及一直流接触模块29。The charging system 2 includes: a power interface 21, a power switch 22, a first power supply module 23, a second power supply module 24, a charging module 25, a liquid crystal screen 26, a control module 27, an insulation detection module 28 and A DC contact module 29 .

电源接口21固定在前板12的接线槽121内。The power interface 21 is fixed in the wiring slot 121 of the front panel 12 .

电源开关22固定在框架11上且卡合在斜面板16的开关槽162内。电源开关22与电源接口21电性连接。The power switch 22 is fixed on the frame 11 and engaged in the switch slot 162 of the inclined plate 16 . The power switch 22 is electrically connected to the power interface 21 .

第一供电模块23固定在框架11上,且与电源开关22电性连接。The first power supply module 23 is fixed on the frame 11 and electrically connected to the power switch 22 .

第二供电模块24固定在固定板18上,且与电源开关22电性连接。The second power supply module 24 is fixed on the fixing plate 18 and is electrically connected to the power switch 22 .

充电模块25固定在框架11上且卡合在前板12的充电槽122内。充电模块25与电源开关22电性连接。The charging module 25 is fixed on the frame 11 and engaged in the charging slot 122 of the front panel 12 . The charging module 25 is electrically connected to the power switch 22 .

液晶屏26固定在框架11上且卡合在斜面板16的液晶屏槽163内。液晶屏26与第一供电模块23电性连接。The liquid crystal screen 26 is fixed on the frame 11 and engaged in the liquid crystal screen slot 163 of the inclined panel 16 . The LCD screen 26 is electrically connected to the first power supply module 23 .

控制模块27包括一控制电路271及一按键控制器272。The control module 27 includes a control circuit 271 and a button controller 272 .

控制电路271固定在固定板18上,且与第一供电模块23、液晶屏26及充电模块25电性连接。The control circuit 271 is fixed on the fixing plate 18 and is electrically connected with the first power supply module 23 , the liquid crystal display 26 and the charging module 25 .

按键控制器272固定在框架11上且卡合在斜面板16的按键槽161内。按键控制器272与控制电路271电性连接。The button controller 272 is fixed on the frame 11 and engaged in the button groove 161 of the inclined panel 16 . The button controller 272 is electrically connected to the control circuit 271 .

绝缘检测模块28固定在固定板18上且与第一供电模块23及控制电路271电性连接。The insulation detection module 28 is fixed on the fixing plate 18 and is electrically connected with the first power supply module 23 and the control circuit 271 .

直流接触模块29包括一直流接触器291及一枪线接口292。The DC contact module 29 includes a DC contactor 291 and a wire interface 292 .

直流接触器291固定在底板17上且与充电模块25及绝缘检测模块28电性连接。The DC contactor 291 is fixed on the bottom plate 17 and is electrically connected with the charging module 25 and the insulation detection module 28 .

枪线接口292固定在后板13的枪线槽132内。枪线接口292与直流接触模块291电性连接。The gun wire interface 292 is fixed in the gun wire groove 132 of the rear panel 13 . The gun wire interface 292 is electrically connected to the DC contact module 291 .

于本实施例中,电源开关22、第一供电模块23、液晶屏26及按键控制器272位于上容置空间内。In this embodiment, the power switch 22 , the first power supply module 23 , the LCD screen 26 and the button controller 272 are located in the upper accommodating space.

于本实施例中,箱体1的尺寸为500mmx443mmx182mm。In this embodiment, the size of the box body 1 is 500mmx443mmx182mm.

于本实施例中,电源接口的输入电压为三相五线的交流电压,电压值为323-437V,频率为50Hz。In this embodiment, the input voltage of the power interface is a three-phase five-wire AC voltage with a voltage value of 323-437V and a frequency of 50Hz.

于本实施例中,枪线接口292输出可调的直流电。In this embodiment, the gun wire interface 292 outputs adjustable direct current.

当使用手提式充电机时,用户将外部的电通过电源接口21引入到充电机内,打开电源开关22,充电机便进入到待机状态,屏幕显示未充电。当用户将充电机通过枪线接口292与车辆连接正确,操作按键控制器272,使充电机开始对车充电。在此充电工程中,电源开关22为总电源开关,控制整机电源的分合。其中从电源开关22分别给第一供电模块23、第二供电模块24及充电模块25供电。其中第二供电模块24负责给车辆的BMS供电,第一供电模块23负责给控制模块27以及液晶屏26供电。充电模块25接收到控制模块27的命令,负责将交流电转化为车辆所需求的直流电。直流电通过枪线接口292输送到待充车辆,这个过程中同时由控制模块27控制充电模块25的直流回路的通断。在充电开始、充电中以及充电完成三个阶段,控制模块27负责对整个充电的直流回路检测,其中包括充电电流,充电电压,以及由绝缘检测模块28做出的绝缘检测分析,这些数据通过控制模块27采集,传送到液晶屏26上显示。When using a portable charger, the user introduces external electricity into the charger through the power interface 21, turns on the power switch 22, and the charger enters a standby state, and the screen shows that it is not charged. When the user correctly connects the charger to the vehicle through the gun wire interface 292, the user operates the button controller 272 to make the charger start to charge the vehicle. In this charging project, the power switch 22 is the main power switch, which controls the opening and closing of the power supply of the whole machine. The power switch 22 supplies power to the first power supply module 23 , the second power supply module 24 and the charging module 25 respectively. The second power supply module 24 is responsible for supplying power to the BMS of the vehicle, and the first power supply module 23 is responsible for supplying power to the control module 27 and the LCD screen 26 . The charging module 25 receives the command from the control module 27 and is responsible for converting the AC power into the DC power required by the vehicle. The direct current is delivered to the vehicle to be charged through the gun wire interface 292, and the control module 27 controls the on and off of the direct current circuit of the charging module 25 during this process. In the three stages of charging start, charging and charging completion, the control module 27 is responsible for the DC circuit detection of the entire charging, including charging current, charging voltage, and insulation detection analysis made by the insulation detection module 28. These data are passed through the control The module 27 collects and transmits to the liquid crystal screen 26 for display.

本实用新型所述的一种手提式充电机,结构小巧,便于携带,充电操作简单,充电机内部结构采用模块化设计,具有便于更换、安装调试方便、运行维护简单等特点。The portable charger described in the utility model has a compact structure, is easy to carry, and has simple charging operation. The internal structure of the charger adopts a modular design, which has the characteristics of easy replacement, convenient installation and debugging, and simple operation and maintenance.

以上所述仅为本实用新型的较佳实施例,并不用以限制本实用新型,凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (7)

1.一种手提式充电机,其特征在于,包括:一箱体、一充电系统,所述充电系统设于所述箱体内;所述箱体包括:一框架、一前板、一后板、两个侧板、一顶板、一斜面板及底板,所述前板、所述后板、所述侧板、所述顶板、所述斜面板及所述底板均设置在所述框架上,使所述箱体内部形成一容置空间,所述框架将所述容置空间分隔为上容置空间及下容置空间,在所述下容置空间内,设有一固定板,所述框架上设有一提手,所述前板上开设有接线槽及充电槽,所述后板上开设有出风口及枪线槽,所述顶板上开设有提手口,所述框架上的提手穿设于提手口,所述斜面板开设有按键槽、开关槽及液晶屏槽,所述底板上设有若干垫片,所述固定板垂直所述底板设置。1. A portable charger, characterized in that it comprises: a box, a charging system, the charging system is located in the box; the box includes: a frame, a front plate, a rear plate , two side plates, a top plate, an inclined plate and a bottom plate, the front plate, the rear plate, the side plates, the top plate, the inclined plate and the bottom plate are all arranged on the frame, A storage space is formed inside the box, and the frame divides the storage space into an upper storage space and a lower storage space, and a fixing plate is provided in the lower storage space, and the frame There is a handle on the top, the front panel is provided with a wiring slot and a charging slot, the rear panel is provided with an air outlet and a gun wire slot, the top panel is provided with a handle port, and the handle on the frame is worn Located at the handle opening, the inclined panel is provided with key slots, switch slots and LCD screen slots, a number of spacers are provided on the bottom plate, and the fixing plate is arranged perpendicular to the bottom plate. 2.如权利要求1所述的手提式充电机,其特征在于,所述充电系统包括一电源接口、一电源开关、一第一供电模块、一第二供电模块、一充电模块、一液晶屏、一控制模块、一绝缘检测模块及一直流接触模块;所述控制模块包括一控制电路及一按键控制器,所述直流接触模块包括一直流接触器及一枪线接口;所述电源开关与所述电源接口电性连接,所述第一供电模块、第二供电模块及充电模块与所述电源开关电性连接,所述液晶屏与所述第一供电模块电性连接,所述控制电路与所述第一供电模块、所述液晶屏及所述充电模块电性连接,所述按键控制器与所述控制电路电性连接,所述绝缘检测模块与所述第一供电模块及所述控制电路电性连接,所述直流接触器与所述充电模块及所述绝缘检测模块电性连接,所述枪线接口与所述直流接触器电性连接。2. The portable charger according to claim 1, wherein the charging system comprises a power interface, a power switch, a first power supply module, a second power supply module, a charging module, and a liquid crystal display , a control module, an insulation detection module and a DC contact module; the control module includes a control circuit and a button controller, the DC contact module includes a DC contactor and a gun wire interface; the power switch and The power interface is electrically connected, the first power supply module, the second power supply module and the charging module are electrically connected to the power switch, the liquid crystal screen is electrically connected to the first power supply module, and the control circuit It is electrically connected with the first power supply module, the liquid crystal screen and the charging module, the button controller is electrically connected with the control circuit, and the insulation detection module is connected with the first power supply module and the The control circuit is electrically connected, the DC contactor is electrically connected to the charging module and the insulation detection module, and the gun wire interface is electrically connected to the DC contactor. 3.如权利要求2所述的手提式充电机,其特征在于,所述电源接口固定在所述接线槽内,所述电源开关固定在所述框架上且卡合在所述开关槽内;所述第一供电模块固定在所述框架上,所述第二供电模块固定在所述固定板上,所述充电模块固定在所述框架上且卡合在所述充电槽内,所述液晶屏固定在所述框架上且卡合在所述液晶屏槽内,所述控制电路固定在所述固定板上,所述按键控制器固定在所述框架上且卡合在所述按键槽内,所述绝缘检测模块固定在所述固定板上,所述直流接触模块固定在所述底板上,所述枪线接口固定在所述枪线槽内。3. The portable charger according to claim 2, wherein the power interface is fixed in the wiring slot, the power switch is fixed on the frame and engaged in the switch slot; The first power supply module is fixed on the frame, the second power supply module is fixed on the fixing plate, the charging module is fixed on the frame and engaged in the charging slot, and the liquid crystal The screen is fixed on the frame and snapped into the LCD slot, the control circuit is fixed on the fixing plate, and the key controller is fixed on the frame and snapped into the key slot , the insulation detection module is fixed on the fixing plate, the DC contact module is fixed on the bottom plate, and the gun wire interface is fixed in the gun wire groove. 4.如权利要求3所述的手提式充电机,其特征在于,所述电源开关、所述第一供电模块、所述液晶屏及所述按键控制器位于所述上容置空间内。4 . The portable charger according to claim 3 , wherein the power switch, the first power supply module, the liquid crystal display and the button controller are located in the upper accommodating space. 5.如权利要求4所述的手提式充电机,其特征在于,所述箱体的尺寸为500mmx443mmx182mm。5. The portable charger according to claim 4, wherein the size of the box is 500mmx443mmx182mm. 6.如权利要求5所述的手提式充电机,其特征在于,所述电源接口的输入电压为三相五线的交流电压,电压值为323-437V,频率为50Hz。6. The portable charger according to claim 5, wherein the input voltage of the power interface is a three-phase five-wire AC voltage with a voltage value of 323-437V and a frequency of 50Hz. 7.如权利要求6所述的手提式充电机,其特征在于,所述枪线接口输出可调的直流电。7. The portable charger according to claim 6, wherein the gun wire interface outputs adjustable direct current.
CN201721080905.XU 2017-08-28 2017-08-28 A kind of portable charger Active CN207098711U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721080905.XU CN207098711U (en) 2017-08-28 2017-08-28 A kind of portable charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721080905.XU CN207098711U (en) 2017-08-28 2017-08-28 A kind of portable charger

Publications (1)

Publication Number Publication Date
CN207098711U true CN207098711U (en) 2018-03-13

Family

ID=61540033

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721080905.XU Active CN207098711U (en) 2017-08-28 2017-08-28 A kind of portable charger

Country Status (1)

Country Link
CN (1) CN207098711U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109747451A (en) * 2019-03-18 2019-05-14 汉腾汽车有限公司 A new type of charger device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109747451A (en) * 2019-03-18 2019-05-14 汉腾汽车有限公司 A new type of charger device

Similar Documents

Publication Publication Date Title
CN203522279U (en) Multifunctional mobile power supply
CN207098711U (en) A kind of portable charger
CN207173333U (en) A kind of draw-bar box type charger
CN202524140U (en) Power supply device box body with display screen
CN201639650U (en) Set top box capable of being charged and supplying power externally
CN204928266U (en) Universal Voltage Adapter
CN103326440A (en) Digital display charging control box
CN202435128U (en) Built-in backup power supply adopting low-voltage battery
CN206117218U (en) Mobile power supply
CN102088203A (en) Portable emergency direct current power supply system
CN202455126U (en) Portable AC-DC lithium battery power supply system
CN204633426U (en) Power bank for electrical appliances
CN206432727U (en) It is a kind of can quick electric power storage solar energy ups power
CN208984763U (en) A kind of mainboard the high and low temperature test device for smart phone
CN201171069Y (en) All-purpose charger
CN223038584U (en) Display interaction system of energy storage power supply
CN201450351U (en) Portable solar energy charger
CN201682433U (en) Hybrid energy power supply equipment
CN114498889A (en) Portable light stores up charging power supply box
CN204441916U (en) Charge-discharge modules and rack
CN206575183U (en) Multifunctional portable power source
CN203589816U (en) Portable DC power supply
CN203241912U (en) Notebook computer battery pack power supply
CN202602343U (en) Universal serial bus (USB) interface output power supply box
CN203552176U (en) Computer power supply with storage battery

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant