CN217692722U

CN217692722U - Modularized load part of lithium battery balancing instrument

Info

Publication number: CN217692722U
Application number: CN202221137528.XU
Authority: CN
Inventors: 王�华
Original assignee: Suzhou Xuhangwang Lithium Battery Co ltd
Current assignee: Suzhou Xuhangwang Lithium Battery Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-28
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a modular load part of lithium cell balancing machine, this load part aim at solving load part under the prior art and do not enough modularization, and the electric connection in the lithium cell balancing machine is more mixed and disorderly, and later stage maintenance or change load part are not very convenient technical problem. The load part comprises a balancing instrument box body, a mounting plate arranged on the inner side of the balancing instrument box body and used for mounting a load, and a load module arranged on the front side of the mounting plate and used for modularizing the load part; the upper and lower both sides of load module are equipped with and are used for radiating heat dissipation module, the load module upside is equipped with the circuit board module that is used for simplifying the circuit, the mounting panel downside is equipped with and is used for fixing the first fixed plate of mounting panel. The load part can modularize the load module through the mutual matching between the load module and the radiating module, and the load module can be replaced or maintained after the radiating module is disassembled, so that the maintenance is very convenient.

Description

Modularized load part of lithium battery balancing instrument

Technical Field

The utility model belongs to the technical field of the balanced appearance of lithium cell, concretely relates to balanced appearance modular load part of lithium cell.

Background

The lithium battery balancing instrument is an instrument for balancing battery voltage, is generally applied to new energy automobiles, and needs to improve the charging voltage of a battery pack because the batteries have individual differences and the voltage at the battery end is unbalanced in the using process.

At present, the utility model discloses a simple lithium cell balancing equipment includes shell and a plurality of lithium cell electricity core, and is a plurality of the lithium cell electricity core is located the shell and sets up, a plurality of balanced subassemblies of inner wall fixedly connected with of shell, T shape draw-in groove has been seted up to one side lateral wall of shell, and the shell keeps away from the curb plate fixedly connected with T shape fixture block of T shape draw-in groove, the upper end fixedly connected with limiting plate of shell, and the embedded connection piece that is equipped with of limiting plate, this simple lithium cell balancing equipment, through setting up zener diode and discharge resistance, when cell voltage is higher than zener diode's steady voltage, the cell passes through zener diode, and resistance discharges, falls to being less than zener diode steady voltage after cell voltage discharges, and the cell can automatic stop discharging, through setting up a plurality of balanced subassemblies, can realize the balanced purpose of battery. But the load part of the lithium battery balancing instrument in the scheme of the application is not modularized enough, the electric connecting wires in the lithium battery balancing instrument are messy, and the later maintenance or the replacement of the load part is not very convenient.

Therefore, in order to solve the problem that the load part is not modular enough, it is necessary to improve the use scene of the load part.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art, the utility model aims to provide a lithium cell balancing appearance modular load part, this load part aim at solving prior art down the load part modularization not enough, and the electric connection line in the lithium cell balancing appearance is more mixed and disorderly, and later stage maintenance or change load part time are not very convenient technical problem.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a modular load part of a lithium battery balancing instrument, which comprises a balancing instrument box body, a mounting plate arranged at the inner side of the balancing instrument box body and used for mounting a load, and a load module arranged at the front side of the mounting plate and used for modularizing the load part; wherein, both sides are equipped with and are used for radiating heat dissipation module about the load module, the load module upside is equipped with the circuit board module that is used for simplifying the circuit, the mounting panel downside is equipped with and is used for fixing the first fixed plate of mounting panel, first fixed plate passes through the bolt and installs balanced appearance bottom half, the mounting panel upside is equipped with and is used for dirt-proof dust guard, the load module outside is equipped with and is used for connecting the electric connecting wire of circuit board module.

When the load part of the technical scheme is used, the mounting plate, the first fixing plate and the dust-proof plate are placed on the inner side of the box body of the balancing instrument, the first fixing plate is fixed at the bottom of the box body of the balancing instrument through bolts, then the load module is mounted on the front side of the mounting plate, after the mounting is finished, the circuit board module is mounted on the upper side of the load module, then the electric connecting wire is welded on the load module, the other end of the electric connecting wire is fixed on the circuit board module, the circuit board module and the load module are connected with each other, after the connection is finished, the heat dissipation modules are mounted on the upper side and the lower side of the load module, if the load module needs to be overhauled, the heat dissipation module can be detached firstly, then parts on the load module can be directly pulled out, and the overhauling is very convenient; through mutually supporting between load module and the thermal module, can be with load module modularization, dismantle with the thermal module and can change or maintain load module after getting off, it is very convenient to maintain, through the setting of circuit board module, can simplify the circuit in the lithium cell balancing appearance, replaces partly connecting wire to avoid the inside connecting wire of lithium cell balancing appearance too in a jumble, thereby make things convenient for later stage maintenance.

Preferably, the load module comprises a first load mounting bracket, and a second load mounting bracket corresponding to the first load mounting bracket is arranged at the lower side of the first load mounting bracket. Through the setting of first load installing support and second load installing support, can install whole load module on the mounting panel, be upper and lower symmetric distribution with load module.

Furthermore, the upper side of the first load mounting bracket and the lower side of the second load mounting bracket are provided with load resistors which are uniformly distributed, and the outer side of each load resistor is provided with a connecting plate which is used for connecting the upper side of the first load mounting bracket and the second load mounting bracket. Through the arrangement of the connecting plate, the load resistor can be sequentially fixed on the first load mounting bracket and the second load mounting bracket, so that the load resistor forms a whole.

Furthermore, a resistor core used for being connected with the electric connecting wire is arranged on the inner side of the load resistor, and a mounting rod used for fixing the heat dissipation module is arranged on the outer side of the load resistor. Through the setting of installation pole, can firmly fix the radiating module in load resistance's the outside for radiating module can dispel the heat to load resistance.

Furthermore, the heat dissipation module comprises a long-strip heat dissipation aluminum heat dissipation strip, the surface of the long-strip heat dissipation aluminum heat dissipation strip is provided with a round hole corresponding to the installation rod, and the outer side of the installation rod is provided with a nut used for fixing the long-strip heat dissipation aluminum heat dissipation strip. Through the mutual cooperation between nut and the installation pole, can fix rectangular heat dissipation aluminium heat dissipation strip in load resistance's the outside, realize heat radiation module's installation.

Furthermore, the radiating fins for heat conduction are arranged on the outer sides of the long radiating aluminum radiating strips, and the radiating fins are uniformly distributed on the outer sides of the long radiating aluminum radiating strips. Through the setting of fin, can dispel the heat to load resistance with rectangular heat dissipation aluminium heat dissipation strip together, avoid load resistance to damage because of the high temperature at the in-process.

Furthermore, the circuit board module comprises a circuit board body, a second fixing plate used for connecting the mounting plate is arranged on the outer side of the circuit board body, uniformly distributed chips are arranged on the front side of the circuit board body, and wiring inserting pieces used for fixing the electric connecting wires are arranged on the lower sides of the chips. Through the setting of circuit board body, can simplify the circuit, replace electric connection line connecting circuit, avoid the inside connecting wire of lithium cell equalizer too mixed and disorderly.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a load part is through mutually supporting between load module and the thermal module, can be with load module modularization, can change or maintain load module after dismantling thermal module, and it is very convenient to maintain, through the setting of circuit board module, can simplify the circuit in the lithium cell balancing appearance, replaces partly connecting wire to avoid the inside connecting wire of lithium cell balancing appearance too mixed and disorderly, thereby make things convenient for the later stage maintenance.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the load part of the present invention;

FIG. 2 is an elevation view of one embodiment of the load carrying portion of the present invention;

FIG. 3 is a schematic structural diagram of a load module according to an embodiment of the load part of the present invention;

fig. 4 is a schematic structural diagram of a circuit board module according to an embodiment of the load part of the present invention.

The labels in the figures are: 1. a balancing instrument box body; 2. mounting a plate; 3. a load module; 4. a heat dissipation module; 5. a bolt; 6. a circuit board module; 7. an electrical connection wire; 8. a dust-proof plate; 9. a first fixing plate; 10. a first load mounting bracket; 11. a second load mounting bracket; 12. a load resistance; 13. a resistor core; 14. a long-strip heat dissipation aluminum heat dissipation strip; 15. a heat sink; 16. mounting a rod; 17. a nut; 18. a circuit board body; 19. a second fixing plate; 20. a chip; 21. wiring male tab.

Detailed Description

The specific embodiment is a modularized load part of a lithium battery balancing instrument, the structural schematic diagram of which is shown in fig. 1, and the front view of which is shown in fig. 2, the load part comprises a balancing instrument box 1, a mounting plate 2 arranged on the inner side of the balancing instrument box 1 for mounting a load, and a load module 3 arranged on the front side of the mounting plate 2 for modularizing the load part; both sides are equipped with and are used for radiating heat dissipation module 4 about load module 3, and the 3 upside of load module is equipped with the circuit board module 6 that is used for simplifying the circuit, and 2 downside of mounting panel are equipped with the first fixed plate 9 that is used for fixed mounting panel 2, and first fixed plate 9 passes through bolt 5 to be installed in the 1 bottom of equalizer box, and 2 upsides of mounting panel are equipped with and are used for dirt-proof dust guard 8, and the 3 outsides of load module are equipped with the electric connecting wire 7 that is used for connecting circuit board module 6.

For the present embodiment, the type and specification of the electrical connection wire 7 can be set as required.

The load module 3 comprises a first load mounting support 10, a second load mounting support 11 corresponding to the first load mounting support 10 is arranged on the lower side of the first load mounting support 10, load resistors 12 which are uniformly distributed are arranged on the upper side of the first load mounting support 10 and the lower side of the second load mounting support 11, a connecting plate used for connecting the upper side of the first load mounting support 10 and the second load mounting support 11 is arranged on the outer side of each load resistor 12, a resistor core 13 used for connecting an electric connecting wire 7 is arranged on the inner side of each load resistor 12, a mounting rod 16 used for fixing the heat dissipation module 4 is arranged on the outer side of each load resistor 12, the heat dissipation module 4 comprises a long-strip heat dissipation aluminum heat dissipation strip 14, a round hole corresponding to the mounting rod 16 is formed in the surface of the long-strip heat dissipation aluminum heat dissipation strip 14, a nut 17 used for fixing the long-strip heat dissipation aluminum heat dissipation strip 14 is arranged on the outer side of the mounting rod 16, heat dissipation aluminum heat dissipation strip 14 is provided with a heat dissipation fin 15 used for heat conduction, the heat dissipation fin 15 is uniformly distributed on the outer side of the long-strip heat dissipation aluminum heat dissipation strip 14, the circuit board module 6 comprises a circuit board body 18, a second fixing plate 19 used for connecting the chip 20, a connecting wire 20 is arranged on the outer side of the circuit board body 18, and a chip connecting wire 21 used for fixing the chip 7. The number of the load resistors 12 and the distribution thereof may be set as desired.

The load part has a load module with a schematic structure as shown in fig. 3, and a circuit board module with a schematic structure as shown in fig. 4.

It should be noted that the number and distribution of the units of the heat sink 15 may be set as required.

When the load part of the technical scheme is used, firstly, the mounting plate 2, the first fixing plate 9 and the dust-proof plate 8 are placed on the inner side of the balancing instrument box body 1, the first fixing plate 9 is fixed at the bottom of the balancing instrument box body 1 through the bolt 5, then the load module 3 is installed on the front side of the mounting plate 2, after the mounting is completed, the circuit board module 6 is installed on the upper side of the load module 3, then the electric connecting wire 7 is welded on the load module 3, then the other end of the electric connecting wire 7 is fixed on the circuit board module 6, the circuit board module 6 is mutually connected with the load module 3, after the connection is completed, the heat dissipation module 4 is installed on the upper side and the lower side of the load module 3, if the load module 3 needs to be overhauled, the heat dissipation module 4 can be detached firstly, then parts on the load module 3 can be directly pulled out, and the overhauling is very convenient.

Claims

1. A modularized load part of a lithium battery balancing instrument comprises a balancing instrument box body, a mounting plate arranged on the inner side of the balancing instrument box body and used for mounting a load, and a load module arranged on the front side of the mounting plate and used for modularizing the load part; the balance instrument box body is characterized in that radiating modules are arranged on the upper side and the lower side of the load module, a circuit board module used for simplifying a circuit is arranged on the upper side of the load module, a first fixing plate used for fixing the mounting plate is arranged on the lower side of the mounting plate, the first fixing plate is mounted at the bottom of the balance instrument box body through bolts, a dustproof plate is arranged on the upper side of the mounting plate, and an electric connecting wire used for connecting the circuit board module is arranged on the outer side of the load module.

2. The modular load part of the lithium battery balancer as claimed in claim 1, wherein the load module comprises a first load mounting bracket, and a second load mounting bracket corresponding to the first load mounting bracket is disposed on the lower side of the first load mounting bracket.

3. The modular load part of the lithium battery balancer as claimed in claim 2, wherein the upper side of the first load mounting bracket and the lower side of the second load mounting bracket are provided with load resistors uniformly distributed, and the outer sides of the load resistors are provided with connecting plates for connecting the upper side of the first load mounting bracket and the second load mounting bracket.

4. The modular load part of the lithium battery balancer as claimed in claim 3, wherein a resistor core for connecting the electrical connection wires is disposed inside the load resistor, and a mounting rod for fixing the heat dissipation module is disposed outside the load resistor.

5. The modular load part of the lithium battery balancer as recited in claim 4, wherein the heat sink module comprises a long heat dissipation aluminum heat dissipation strip, the surface of the long heat dissipation aluminum heat dissipation strip is provided with a circular hole corresponding to the mounting rod, and a nut for fixing the long heat dissipation aluminum heat dissipation strip is arranged outside the mounting rod.

6. The modular load part of the lithium battery balancer as claimed in claim 5, wherein the heat dissipation fins are disposed outside the strip of heat dissipation aluminum, and the heat dissipation fins are uniformly distributed outside the strip of heat dissipation aluminum.

7. The modular load part of the lithium battery balancing instrument of claim 6, wherein the circuit board module comprises a circuit board body, a second fixing plate for connecting the mounting plate is arranged outside the circuit board body, uniformly distributed chips are arranged on the front side of the circuit board body, and a wiring insertion sheet for fixing the electric connection wire is arranged on the lower side of each chip.