CN215042116U

CN215042116U - Novel hard switch power battery system for AGV

Info

Publication number: CN215042116U
Application number: CN202120896444.3U
Authority: CN
Inventors: 李晓侠; 梁龙; 许奇
Original assignee: Hangzhou Pengcheng New Energy Technology Co ltd
Current assignee: Hangzhou Pengcheng New Energy Technology Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-07
Anticipated expiration: 2031-04-28

Abstract

The utility model belongs to fork truck battery field, concretely relates to novel AGV is with hard switch power battery system, including lithium cell group, lithium cell power management module, the external output control module of lithium cell, lithium cell charge control module, lithium cell and fill control module by force, lithium cell communication debugging interface module, lithium cell on electric control module, lithium cell electric quantity display module, lithium cell group is connected with lithium cell power management module, the external output control module of lithium cell, lithium cell charge control module electricity respectively, lithium cell power management module fills control module, lithium cell communication debugging interface module, lithium cell by force respectively with lithium cell charge control module, lithium cell on electric control module, lithium cell electric quantity display module electricity and is connected, the external output control module of lithium cell is connected with lithium cell charge control module electricity. The utility model discloses a two switch designs, and the part that especially charges uses the switch, increases the reliability of charging.

Description

Novel hard switch power battery system for AGV

Technical Field

The utility model belongs to fork truck battery field, concretely relates to novel AGV is with hard switch power battery system.

Background

AGV has been more and more used in the intelligent process of modernization, uses the lithium cell to supply power to AGV also from cycle life, and the environmental protection angle has increased AGV's performance, and the problem lies in, and traditional AGV battery system only has automatic charging mode, uses not nimble enough, and the function is perfect inadequately moreover.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the defects of the prior art, the utility model provides a novel AGV is with hard switch power battery system's technical scheme.

A novel AGV is with hard switch power battery system, its characterized in that includes that lithium cell group, lithium cell power management module, lithium cell external output control module, lithium cell charge control module, lithium cell are charged control module by force, lithium cell communication debugging interface module, lithium cell and are gone up electric control module, lithium cell electric quantity display module, lithium cell group is connected with lithium cell power management module, lithium cell external output control module, lithium cell charge control module electricity respectively, lithium cell power management module is connected with lithium cell charge control module, lithium cell charge control module by force, lithium cell communication debugging interface module, lithium cell on electric control module, lithium cell electric quantity display module electricity respectively, the external output control module of lithium cell is connected with lithium cell charge control module electricity.

A novel hard switch power battery system for AGV, its characterized in that the lithium cell is including discharge relay K1, pre-charge circuit, positive interface and the negative interface that discharges to outer output module.

The novel hard switch power battery system for the AGV is characterized in that the pre-charging circuit comprises a pre-charging resistor RI and a pre-charging relay K2.

The novel hard switch power battery system for the AGV is characterized in that the lithium battery charging control module comprises a charging switch K5, a charging relay K3, a charging positive interface and a charging negative interface.

A novel hard switch power battery system for AGV, its characterized in that the lithium cell control module that fills by force is including filling by force resistance R2 and the switch K6 that fills by force.

The novel hard switch power battery system for the AGV is characterized in that the lithium battery charging control module comprises an upper electric switch K4, a lower electric switch K4 and a controllable voltage conversion power source DCDC 1.

A novel AGV is with hard switch power battery system, its characterized in that lithium cell power display module includes a plurality of power indicator.

Compared with the prior art, the utility model discloses can solve the lithium cell adaptation problem that fork was cut in the high worker's operation, and have following advantage:

1) the utility model adopts the design of two switches, especially the charging part uses the switch, thereby increasing the charging reliability;

2) the utility model has two charging modes of switch charging and strong charging switch K6, thus increasing the diversity of charging operation;

3) the utility model discloses a strong switch K6 that fills inching when the battery slightly overdischarging, can realize charging and electrifying, increase the battery maintainability;

4) the strong charging resistor R2 is arranged, so that the current of the detection port is reduced, and the safety of the lithium battery power supply management module is improved;

5) the configuration of the electric quantity indicator light is used for displaying the electric quantity of the battery, the display function of the battery is added, and the convenience is improved;

6) the isolated controllable voltage conversion power supply DC/DC1 is used, so that the safety of the lithium battery power supply management module is improved, and large-current impact is prevented;

7) the whole battery system runs in a normal-temperature environment, the heating and other thermal management costs are avoided, and the economical efficiency is improved;

8) charging and discharging are combined by using an A + pin and power + respectively, and KEY ON, so that the error resistance of the system is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic circuit diagram of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The present invention will be further explained with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, a novel hard switch power battery system for AGV comprises a lithium battery pack 1, a lithium battery power management module 2, a lithium battery external output control module 3, a lithium battery charging control module 4, a lithium battery strong charging control module 5, a lithium battery communication debugging interface module 6, a lithium battery power-on control module 7 and a lithium battery power display module 8, the lithium battery pack 1 is respectively and electrically connected with a lithium battery power supply management module 2, a lithium battery external output control module 3 and a lithium battery charging control module 4, lithium battery power management module 2 charges control module 4, lithium cell strong charge control module 5, lithium cell communication debugging interface module 6, lithium cell on control module 7, lithium cell electric quantity display module 8 electricity respectively and is connected, the external output control module 3 of lithium cell is connected with lithium cell charge control module 4 electricity.

As an optimization: the lithium battery external output module 3 comprises a discharge relay K1, a pre-charging circuit, a discharge positive interface and a discharge negative interface. The pre-charging circuit comprises a pre-charging resistor RI and a pre-charging relay K2.

As an optimization: the lithium battery charging control module 4 comprises a charging switch K5, a charging relay K3, a charging positive interface and a charging negative interface.

As an optimization: the lithium battery strong charging control module 5 comprises a strong charging resistor R2 and a strong charging switch K6.

As an optimization: the lithium battery power-on control module 7 comprises a power-on and power-off switch K4 and a controllable voltage conversion power supply DCDC 1.

As an optimization: the lithium battery power display module 8 comprises a power indicator lamp L1, a power indicator lamp L2, a power indicator lamp L3 and a power indicator lamp L4.

To the battery system of the present invention, the following further description is made: lithium battery group 1 includes battery B1, the utility model discloses the module of 16 cluster battery constitutions with lithium iron phosphate is for example, and number and capacity can increase or reduce, discharge relay K1 is used for controlling opening and shutting off of battery B1 to outer output, pre-charge branch road is constituteed to pre-charge resistance K2 and pre-charge relay R1, carry out the pre-charge before last electricity, avoid discharge relay K1 to cause the impact because of outside capacitive load, upper and lower electric switch K4 normally opens the auto-lock, charge switch K5 normally opens the auto-lock, controllable voltage conversion power DC/DC1 is used for giving the control power supply, lithium cell power supply management module 2 is used for gathering voltage and temperature signal, and control whole battery system, charge relay K3 is used for controlling opening and shutting off of charging, power indicator lamp L1-L4 is for being used for showing corresponding electric quantity. The utility model discloses battery system still includes the conventional accessory among the battery system: a main circuit fuse F1 and a shunt FQ1, shunt FQ1 is used to pick up the main circuit current.

A power supply method of the charging system comprises

Discharging and electrifying: the method comprises the steps that an upper and lower electric switch K4 is opened, a controllable voltage conversion POWER supply DCDC1 is activated, a KEY ON pin of a lithium battery POWER supply management module 2 is activated, the lithium battery POWER supply management module 2 is activated through KEY ON, POWER +, POWER-supplies POWER, and the POWER supply is successfully electrified, the controllable voltage conversion POWER supply DC/DC1 is an isolation direct-current POWER supply and can isolate a high-voltage POWER supply from a low-voltage POWER supply, the situation that the POWER supply of the lithium battery POWER supply management module 2 is interfered due to the fluctuation of battery current of a main POWER part and the like is avoided, in the POWER-ON process, the lithium battery POWER supply management module 2 is activated, a pre-charging relay K2 is closed after initialization is completed, pre-charging is performed, a discharging relay K1 is closed after 500ms, K2 is disconnected after 500ms, and the POWER-ON is completed;

discharging and powering off: the power-off is realized by disconnecting the power-on and power-off switch K4;

charging and electrifying: there are two modes of charging up,

a first charging power-on mode: in the POWER-on process, the POWER is conducted to the pin A + after the charging switch K5, the lithium battery POWER supply management module 2 identifies a signal of the pin A + and then closes the charging relay K3, the discharging relay K1 keeps a closed state at the moment and maintains the POWER supply of the whole vehicle, and if the charging switch K5 is turned on and off again, the charging relay K3 is turned off after the pin A + disappears;

and a second charging power-on mode: in the power-on process, the strong charging switch K6 is pressed, the lithium battery power supply management module 2 senses the rising edge of the strong charging switch K6 through the CC2 interface, and then the charging relay K3 is closed;

charging and discharging: there are two modes of powering down during charging,

a first charging power-down mode: the charging switch K5 is turned off;

and a second charging power-down mode: and stopping normally when the battery is fully charged, firstly in a constant current mode when the battery is charged to a set voltage value, converting the battery into a constant voltage mode, and disconnecting the discharging relay K1 when the current is reduced to 0.15C or the monomer voltage is charged to 3.65V in the constant voltage mode.

The lithium battery POWER management module 2 is also called a lithium battery POWER management system, and the KEY ON pin, POWER +, POWER-, a + pin and the CC2 interface are all conventional structures of the lithium battery POWER management module 2.

The utility model has the advantages of it is following:

8) the current collector is used for collecting current, other high-cost schemes are not used, and the economical efficiency of the system is improved;

9) charging and discharging are combined by using an A + pin and power + respectively, and KEY ON, so that the error resistance of the system is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a novel AGV is with hard switch power battery system, its characterized in that includes that lithium cell group, lithium cell power management module, lithium cell externally output control module, lithium cell charging control module, lithium cell control module that charges by force, lithium cell communication debugging interface module, lithium cell go up electric control module, lithium cell electric quantity display module, lithium cell group is connected with lithium cell power management module, lithium cell externally output control module, lithium cell charging control module electricity respectively, lithium cell power management module is connected with lithium cell charging control module, lithium cell control module that charges by force, lithium cell communication debugging interface module, lithium cell electric control module, lithium cell electric quantity display module electricity respectively, the lithium cell externally outputs control module and lithium cell charging control module electricity and is connected.

2. The novel hard switch power battery system for the AGV of claim 1, characterized in that the lithium battery external output module comprises a discharge relay K1, a pre-charge circuit, a discharge positive interface and a discharge negative interface.

3. The novel hard-switched power battery system for an AGV of claim 2, wherein said pre-charge circuit comprises a pre-charge resistor RI and a pre-charge relay K2.

4. The novel hard switch power battery system for the AGV of claim 1, characterized in that the lithium battery charging control module comprises a charging switch K5, a charging relay K3, a charging positive interface and a charging negative interface.

5. The novel hard switch power battery system for the AGV of claim 1, characterized in that said lithium battery hard charge control module comprises a hard charge resistor R2 and a hard charge switch K6.

6. The novel hard switch power battery system for the AGV of claim 1, characterized in that said lithium battery power control module comprises an upper and lower electrical switch K4 and a controllable voltage conversion power source DCDC 1.

7. The novel hard switch power battery system for the AGV of any one of claims 1-6, wherein the lithium battery power display module comprises a plurality of power indicator lights.