CN218352201U - Portable power box - Google Patents

Portable power box Download PDF

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Publication number
CN218352201U
CN218352201U CN202221793796.7U CN202221793796U CN218352201U CN 218352201 U CN218352201 U CN 218352201U CN 202221793796 U CN202221793796 U CN 202221793796U CN 218352201 U CN218352201 U CN 218352201U
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China
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interface
power supply
module
charging
discharging
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CN202221793796.7U
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Chinese (zh)
Inventor
胡品德
王建勇
李秉明
孟弘懿
张旭刚
陈文�
刘杰
闫佳林
毛卫民
李倩倩
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Guizhou Meiling Power Supply Co Ltd
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Guizhou Meiling Power Supply Co Ltd
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Abstract

The utility model provides a portable power box; the power supply system comprises a box body and a power supply system arranged in the box body, wherein an operation panel and an interface panel are arranged on the side surface of the box body, and heat dissipation plates are arranged on the other side surfaces except the position where the operation panel and the interface panel are arranged. The utility model adopts the metal shell with the heat dissipation structure, which can dissipate the heat generated in the process of converting electric energy, and effectively improve the heat dissipation capacity of the power box; a portable handle is added, so that the carrying and the carrying are convenient; the internal integrated battery module, the ACDC input conversion module, the DCDC voltage stabilization output module, the diode display screen, the indicator light, the manual switch, the fuse, the energy storage battery management system, the input interface, the output interface and the like form an organic whole, can be connected into the city electricity to be charged, and can be used for stably charging the electric equipment.

Description

Portable power box
Technical Field
The utility model relates to a portable power box.
Background
The power supply box is various components in a swing line, a control center for reasonably distributing electric energy is an electronic device for receiving an upper end power supply and outputting load electric energy, more and more small portable electric equipment are generated along with the increase of field activities of people, and the portable power supply box for providing real-time charging for the small equipment is required by the market.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a portable power box.
The utility model discloses a following technical scheme can realize.
The utility model provides a portable power box; including the box and install the power supply system in the box, the side-mounting of box has operating panel and interface panel, all installs the heating panel except that the all the other sides in the position of installing operating panel and interface panel, power supply system includes the group battery, and the group battery is connected with the module of charging, the module of discharging, master control module, emergency power-off module respectively, and master control module is connected with the module of emergency power-off, the module of charging, the module of discharging respectively, and master control module still carries out human-computer interaction through communication module, charactron drive module, state display module respectively.
The operation panel and the interface panel are respectively arranged on the front side and the rear side of the box body, side covers are arranged on the left side in sequence, and a heat dissipation plate is arranged on each side cover.
The top of box is processed there is the handle groove, and handle inslot articulates there is the handle, and the footing is installed to the bottom of box.
And the operating panel is provided with a charging indicator lamp, a discharging indicator lamp, a fault indicator lamp and a display panel which are respectively connected with the main control module.
And the interface panel is respectively provided with a charging interface and a discharging interface which are connected with the battery pack, and a first Ethernet interface and a second Ethernet interface which are connected with the master control module.
The charging module comprises an AC/DC power supply conversion module, the input end of the AC/DC power supply conversion module is connected with the charging interface, the output end of the AC/DC power supply conversion module is connected with a charging relay K1, the charging relay K1 is connected with a shunt, and the shunt is connected with the battery pack.
The battery pack comprises a plurality of lithium ion batteries which are averagely divided into a plurality of groups, a partition board is arranged between every two lithium ion batteries, and every lithium ion battery is connected with a charging shunt.
The discharging module comprises a DC/DC power supply conversion module, the negative electrode of the input end of the DC/DC power supply conversion module is connected with the negative electrode of the battery pack through an output shunt, the positive electrode of the input end of the DC/DC power supply conversion module is connected with a discharging relay K2, a discharging motor K2 is connected with a discharging fuse box, the discharging fuse box is connected with the positive electrode of the battery pack, and the output end of the discharging fuse box is connected with a discharging interface.
The master control module comprises a BMS, wherein LECU ports of the BMS are respectively connected with a battery, temperature acquisition ports are connected with a temperature sensor, current acquisition ports are respectively connected with a charging shunt and an output shunt, voltage acquisition ports are respectively connected with the anode of a battery pack and the anode of the output end of a DC/DC power converter, a power interface is connected with the anode of a power supply of the battery pack, a switch control interface is respectively connected with coils of a charging relay K1 and a discharging relay K2, indicator light interfaces of the switch control interface are respectively connected with a charging indicator light, a discharging indicator light and a fault indicator light, and a display interface of the switch control interface is connected with a display panel.
The emergency power-off module comprises an emergency power-off switch S1-1, an emergency power-off switch S1-2 and an emergency power-off switch S1-3, the emergency power-off switch S1-2 is connected with the input end of the AC/DC power conversion module, the front electrode of the emergency power-off switch S1-2 is connected with the charging fuse box, and the charging contact fuse is connected with the charging interface; the emergency power-off switch S1-1 is connected to a power interface of the BMS, and the emergency power-off switch S1-3 is connected to a connecting line between a coil of the discharging relay K2 and the switch control interface.
The beneficial effects of the utility model reside in that: the shell is a metal shell and is provided with a heat dissipation structure, so that heat generated in the electric energy conversion process can be dissipated, and the heat dissipation capability of the power box is effectively improved; a portable handle is added, so that the carrying and the carrying are convenient; the internal integrated battery module, the ACDC input conversion module, the DCDC voltage stabilization output module, the diode display screen, the indicator lamp, the manual switch, the fuse, the energy storage battery management system, the input interface, the output interface and the like form an organic whole, can be connected into the city electricity for charging, and can be used for stably charging the electric equipment.
Drawings
Fig. 1 is a schematic view of the structure of the fuselage of the present invention;
FIG. 2 is a schematic diagram of the structure of the rear panel of the present invention;
FIG. 3 is a schematic diagram of the power supply principle of the present invention;
FIG. 4 is a schematic diagram of the power supply circuit of the present invention;
in the figure: 1-box body, 11-handle groove, 12-handle, 2-side cover, 3-operation panel, 31-switch, 32-charging indicator light, 33-discharging indicator light, 34-fault indicator light, 35-display panel, 4-bottom foot, 5-interface panel, 51-charging interface, 52-first Ethernet interface, 53-second Ethernet interface and 54-discharging interface.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, a portable power supply case; including box 1 and install the power supply system in box 1, the side-mounting of box 1 has operating panel 3 and interface panel 5, all installs the heating panel except that the all the other sides in the position of installing operating panel 3 and interface panel 5, provides functions such as installation, protection and heat dissipation, guide for the power supply box, power supply system includes the group battery, and the group battery is connected with module of charging, module of discharging, master control module, emergency power off module respectively, and master control module is connected with emergency power off module, module of charging, module of discharging respectively, and master control module still carries out human-computer interaction through communication module, charactron drive module, state display module respectively.
The box adopts aluminium system casing, and the specific strength of aluminum product is high, heat conduction efficiency is good. The battery box body is provided with the heat dissipation teeth, so that heat can be effectively dissipated, and the environmental temperature adaptability of the product is improved.
The operation panel 3 and the interface panel 5 are respectively arranged at the front side and the rear side of the box body 1, the side covers 2 are arranged at the left side in sequence, and the heat dissipation plates are arranged on the side covers 2.
The top processing of box 1 has handle groove 11, and it has handle 12 to articulate in the handle groove 11, folded cascade handle, and the shared space of foldable handle ability effective reduction when the transportation, footing 4 is installed to the bottom of the personnel of being convenient for use box 1 when carrying, and the shock pad is as the stabilizer blade, satisfies the shock attenuation demand to the power supply box when placing.
The operation panel 3 is provided with a charging indicator lamp 32, a discharging indicator lamp 33, a fault indicator lamp 34 and a display panel 35 which are respectively connected with the main control module, and the man-machine interaction module is uniformly arranged on the front side of the box body, so that the operation and observation of personnel are facilitated.
The interface panel 5 is respectively provided with a charging interface 51 and a discharging interface 54 connected with the battery pack, and a first ethernet interface 52 and a second ethernet interface 53 connected with the main control module. The input and output interfaces are uniformly arranged on the rear side of the box body, so that external wiring arrangement is facilitated; the charging power input interface adopts a universal three-hole socket for mains supply input, and the charging power input interface adopts a universal three-hole socket for mains supply input.
The charging module comprises an AC/DC power supply conversion module, the input end of the AC/DC power supply conversion module is connected with a charging interface 51, the output end of the AC/DC power supply conversion module is connected with a charging relay K1, the charging relay K1 is connected with a shunt, the shunt is connected with a battery pack, the adopted charging module comprises a charging power supply input interface, a charging relay, a charging fuse, a charging power supply conversion module and the like, the main function is to convert 220VAC standard commercial power into direct current to charge the battery pack, the charging fuse is connected behind the charging relay to prevent a power box from losing efficacy due to external input short circuit, the charging power supply conversion module is connected behind the charging fuse, the AC/DC power supply conversion module adopts the AC/DC power supply conversion module to convert the commercial power into the direct current, the DC/DC voltage stabilizing module is connected behind the AC/DC power supply conversion module, the DC/DC voltage stabilizing module can provide stable voltage suitable for charging the battery pack, the shunt can effectively prolong the service life of the battery pack is connected behind the AC/DC module, the input current can effectively detect the magnitude of the input current, the heat dissipation surfaces of the AC/DC voltage stabilizing module and the AC/DC input module and the DC/DC voltage stabilizing module are tightly attached to an aluminum shell, and the heat generated by effectively dissipating heat generated by the shell; .
The battery pack comprises a plurality of lithium ion batteries which are averagely divided into a plurality of groups, a partition board is arranged between each group of lithium ion batteries, and each group of lithium ion batteries is respectively connected with the charging current divider. A lithium ion battery pack is used as an energy storage module. The lithium ion battery pack is formed by connecting lithium ion battery monomers in series and parallel, provides electric energy for other modules in the power box, and meets the power consumption requirement of an external load. The lithium ion battery has the advantages of high specific energy, strong universality and the like, and the low-temperature lithium ion battery monomer is selected as the lithium ion battery. The low-temperature lithium ions still have good charge and discharge capacity at low temperature; the lithium ion battery is a 26650 cylindrical lithium ion battery monomer. 26650 the single battery has a high specific energy and is relatively simple to connect in series and parallel.
The discharging module comprises a DC/DC power supply conversion module, the negative electrode of the input end of the DC/DC power supply conversion module is connected with the negative electrode of the battery pack through an output shunt, the positive electrode of the input end of the DC/DC power supply conversion module is connected with a discharging relay K2, a discharging motor K2 is connected with a discharging fuse box, the discharging fuse box is connected with the positive electrode of the battery pack, and the output end of the discharging fuse box is connected with a discharging interface 54. The shunt is inserted behind the DC/DC power supply conversion module, so that the output current can be effectively detected.
The master control module comprises a BMS, an LECU port of the BMS is connected with a battery respectively, a temperature acquisition port is connected with a temperature sensor, a current acquisition port is connected with a charging shunt and an output shunt respectively, a voltage acquisition port is connected with the anode of a battery pack and the anode of the output end of a DC/DC power converter respectively, a power interface is connected with the anode of the battery pack, a switch control interface is connected with coils of a charging relay K1 and a discharging relay K2 respectively, an indicator light interface of the switch control interface is connected with a charging indicator light 32, a discharging indicator light 33 and a fault indicator light 34 respectively, and a display interface of the switch control interface is connected with a display panel 35. The master control module manages a system of the power box, is mainly used for collecting voltage and current of the battery pack, communicating, controlling charging and discharging, realizing logic control of internal functions of the power box, estimating SOC of the battery pack, and realizing derivation and communication of internal data of the power box by adopting a network port connector as an interface of the communication module. The indicator light is used as a signal output interface of the state indicating module, and the human-computer interaction function is realized through the display of the brightness and the color of light. A nixie tube is used as a signal output interface of a nixie tube driving module, and a human-computer interaction function is realized through real-time data display.
The emergency power-off module comprises an emergency power-off switch S1-1, an emergency power-off switch S1-2 and an emergency power-off switch S1-3, wherein the emergency power-off switch S1-2 is connected with the input end of the AC/DC power supply conversion module, the front electrode of the emergency power-off switch S1-2 is connected with the charging fuse box, and the charging point fuse is connected with the charging interface 51; the emergency power-off switch S1-1 is connected to a power interface of the BMS, and the emergency power-off switch S1-3 is connected to a connecting line between the coil of the discharging relay K2 and the switch control interface. The emergency power-off module is a manual switch, manages and controls various relays, and facilitates manual participation in control of the power box.
The working principle of this patent is as follows:
after the emergency power-off switch is pressed down, the main control module is powered on to start initialization;
after the main control module finishes system initialization, firstly, performing self-checking on a power box, if the system self-checking is normal, entering a standby working mode, establishing network port communication, displaying discharge voltage, current and electric quantity values on a front panel, and waiting for a charge and discharge control instruction issued by the network port communication or acquiring information for activating charge and discharge to enter a discharge or charge working mode; if the system is not normally self-checked, the system enters a standby working mode, a fault indicating lamp on a panel is red, an alarm buzzer on a main control module in the power box alarms, and the alarm can be turned off through an emergency power-off switch to perform fault troubleshooting; the discharging and charging working modes can be converted only by restarting the power box;
after the self-checking is normal, when a discharge activation signal is received, a discharge working mode is entered, a discharge relay is closed, discharge output is conducted to the outside, a discharge indicator lamp on a panel is turned on to be green, meanwhile, state information such as output voltage, current, electric quantity, single battery voltage and the like is transmitted through internet access communication, and output voltage, current and electric quantity values are displayed on a front panel. When abnormal conditions such as too low voltage or too large difference value of the single battery, too high or too low discharge voltage, too high or too low discharge current, too high temperature of the single battery and the like occur in the discharging process, early warning information is sent through a network port, when an abnormal value exceeds a set threshold value, the main control module logically judges, a discharging relay is disconnected, the output is stopped, meanwhile, a 'fault' indicating lamp on a front panel is turned on to be red, the 'discharge' indicating lamp is turned off, a buzzer alarms, and the alarm can be turned off through an emergency power-off switch to perform fault troubleshooting;
after the self-checking is normal, when a charging activation signal is received, a charging working mode is entered, a charging relay is closed, the battery pack is charged, a charging indicator lamp on the panel is turned on to be green, meanwhile, state information such as charging voltage, current, electric quantity, single battery voltage and the like is transmitted through internet access communication, and the charging voltage, the current and the SOC value are displayed on the front panel. When abnormal conditions such as over-high voltage or over-large difference value of the single battery, over-high charging voltage, over-high or over-low charging current, over-high temperature of the single battery and the like occur in the charging process, the network port sends early warning information, when the abnormal value exceeds a set threshold value, the main control module logically judges and turns off the charging relay to stop charging, meanwhile, a ' fault ' indicating lamp on the panel is turned on to be red, the ' charging ' indicating lamp is turned off, the buzzer alarms, and the alarm is turned off and troubleshooting is carried out by turning off an ' emergency power-off switch on the panel.

Claims (10)

1. A portable power supply box which is characterized in that: including box (1) and install the power supply system in box (1), the side-mounting of box (1) has operating panel (3) and interface panel (5), all installs the heating panel except that all the other sides in the position of installing operating panel (3) and interface panel (5), power supply system includes the group battery, and the group battery is connected with the module of charging, the module of discharging, master control module, emergency power off module respectively, and master control module is connected with the module of emergency power off, the module of charging, the module of discharging respectively, and master control module still carries out human-computer interaction through communication module, charactron drive module, state display module respectively.
2. The portable power supply case of claim 1, wherein: the operation panel (3) and the interface panel (5) are respectively installed on the front side and the rear side of the box body (1), the side covers (2) are randomly installed on the left side in sequence, and the heat dissipation plates are installed on the side covers (2).
3. The portable power supply case of claim 1, wherein: the top of box (1) is processed there is handle groove (11), and articulated in handle groove (11) have handle (12), and footing (4) are installed to the bottom of box (1).
4. The portable power supply case of claim 1, wherein: and a charging indicator lamp (32), a discharging indicator lamp (33), a fault indicator lamp (34) and a display panel (35) which are respectively connected with the master control module are installed on the operation panel (3).
5. The portable power supply case of claim 1, wherein: and a charging interface (51) and a discharging interface (54) which are connected with the battery pack, and a first Ethernet interface (52) and a second Ethernet interface (53) which are connected with the main control module are respectively arranged on the interface panel (5).
6. The portable power supply case of claim 1, wherein: the charging module comprises an AC/DC power supply conversion module, the input end of the AC/DC power supply conversion module is connected with a charging interface (51), the output end of the AC/DC power supply conversion module is connected with a charging relay K1, the charging relay K1 is connected with a shunt, and the shunt is connected with the battery pack.
7. The portable power supply case of claim 1, wherein: the battery pack comprises a plurality of lithium ion batteries which are averagely divided into a plurality of groups, a partition board is arranged between every two lithium ion batteries, and every lithium ion battery is connected with a charging shunt.
8. The portable power supply case of claim 1, wherein: the discharging module comprises a DC/DC power supply conversion module, the negative electrode of the input end of the DC/DC power supply conversion module is connected with the negative electrode of the battery pack through an output shunt, the positive electrode of the input end of the DC/DC power supply conversion module is connected with a discharging relay K2, a discharging motor K2 is connected with a discharging fuse box, the discharging fuse box is connected with the positive electrode of the battery pack, and the output end of the discharging fuse box is connected with a discharging interface (54).
9. The portable power supply case of claim 1, wherein: the master control module comprises a BMS (battery management system), an LECU (battery management unit) port of the BMS is respectively connected with a battery, a temperature acquisition port is connected with a temperature sensor, a current acquisition port is respectively connected with a charging shunt and an output shunt, a voltage acquisition port is respectively connected with the anode of a battery pack and the anode of the output end of a DC/DC power converter, a power interface of the BMS is connected with the anode of a power supply of the battery pack, a switch control interface is respectively connected with coils of a charging relay K1 and a discharging relay K2, an indicator light interface of the switch control interface is respectively connected with a charging indicator light (32), a discharging indicator light (33) and a fault indicator light (34), and a display interface of the switch control interface is connected with a display panel (35).
10. The portable power supply case of claim 1, wherein: the emergency power-off module comprises an emergency power-off switch S1-1, an emergency power-off switch S1-2 and an emergency power-off switch S1-3, the emergency power-off switch S1-2 is connected with the input end of the AC/DC power supply conversion module, the front electrode of the emergency power-off switch S1-2 is connected with the charging fuse box, and the charging point fuse is connected with the charging interface (51); the emergency power-off switch S1-1 is connected to a power interface of the BMS, and the emergency power-off switch S1-3 is connected to a connecting line between the coil of the discharging relay K2 and the switch control interface.
CN202221793796.7U 2022-07-12 2022-07-12 Portable power box Active CN218352201U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221793796.7U CN218352201U (en) 2022-07-12 2022-07-12 Portable power box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221793796.7U CN218352201U (en) 2022-07-12 2022-07-12 Portable power box

Publications (1)

Publication Number Publication Date
CN218352201U true CN218352201U (en) 2023-01-20

Family

ID=84911589

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221793796.7U Active CN218352201U (en) 2022-07-12 2022-07-12 Portable power box

Country Status (1)

Country Link
CN (1) CN218352201U (en)

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