CN219016523U - Integrated power box for charging and discharging square battery - Google Patents

Abstract

The utility model discloses an integrated power box for charging and discharging square batteries, which comprises: the front end of the shell is opened, and the rear end of the shell is provided with a through hole and a jack; the power supply part is arranged in the shell and comprises a PCB (printed circuit board), a radiator, a pair of input conducting strips, a pair of output conducting strips and a pair of conducting seats, and a data plug-in port of the PCB is arranged at the through hole in a penetrating way; the input conducting strip is inserted into the jack, one end of the input conducting strip is connected with the voltage input end of the PCB, the other end of the input conducting strip forms an input plug, and the input conducting strip is connected with an inverter assembled by an external power supply in a plugging manner; one end of the output conducting strip is connected with a charge-discharge port of the PCB, and the other end of the output conducting strip is connected with the conducting seat in an inserting manner; the probe part comprises a probe plate, an anode probe and a cathode probe, and the probe plate is arranged at the front end opening; the positive electrode probe and the negative electrode probe are arranged in the probe plate in parallel; the utility model further comprises an integrated capacity-dividing device. The beneficial effects of the utility model are as follows: the plug is convenient; the heat dissipation effect is good, and the adaptability is strong.

Description

Integrated power box for charging and discharging square battery

Technical Field

The utility model relates to an integrated power box for charging and discharging square batteries, and belongs to the field of manufacturing square lithium battery capacity-dividing test equipment.

Background

The square lithium battery is one of lithium batteries, in the testing procedure of the lithium battery, capacity division is an important procedure, the capacity division is to carry out a plurality of full-load charge-discharge cyclic processes on the activated lithium battery, the internal resistance and charge-discharge capacity of the lithium battery are tested, the square lithium battery is used for eliminating batteries with problematic quality (such as low capacity, overlarge self-discharge and overlarge internal resistance), and the square lithium battery is used for grouping the batteries according to the capacity and the inner group so as to select the batteries with similar performances to form the battery group. In the capacity-division testing process, the lithium battery can generate heat due to chemical reaction inside, and besides, a great amount of heat is generated in the operation of the testing equipment. However, the existing test equipment needs to connect the battery with the power supply through a wire, so that the connecting wire between the battery and the power supply is too long, and the installation and the use are inconvenient; and because the processing capacity of the battery is large, the required test equipment occupies large space, heat dissipation is difficult, heat dissipation is uneven, and the temperature of the battery is inconsistent.

Disclosure of Invention

In order to solve the problems, the utility model provides the integrated power box for charging and discharging the square battery, which does not need wire connection, is convenient to install, fast in heat dissipation, small in occupied space, capable of detecting the battery in the tray, suitable for batteries of different types and convenient to control the battery temperature.

The utility model relates to an integrated power box for charging and discharging a square battery, which is characterized by comprising the following components:

the shell is of a hollow structure, and a through hole and a jack are formed in the front end opening and the rear end of the shell;

the power supply part is arranged in the shell and comprises a PCB (printed circuit board), a radiator, a pair of input conducting strips, a pair of output conducting strips and a pair of conducting seats, wherein the radiator is arranged at the inner bottom of the shell; the PCB is arranged at the top of the radiator, and the data plug-in port of the PCB is arranged at the through hole of the shell in a penetrating way; the input conducting strip is inserted into the jack at the rear end of the shell and is partially accommodated in the shell, one end of the input conducting strip is connected with the voltage input end of the PCB, the other end of the input conducting strip extends out of the shell to form an external input plug of the PCB, and the PCB is connected with an inverter assembled by an external power supply in a plugging manner through the input conducting strip; the output conducting strip is completely accommodated in the shell, one end of the output conducting strip is connected with the charge and discharge port of the PCB, and the other end of the output conducting strip is connected with the conducting seat in an inserting manner;

the probe part comprises a probe plate, an anode probe and a cathode probe, and the probe plate is arranged at the front end opening of the shell; the positive electrode probe and the negative electrode probe are arranged in the probe plate in a penetrating way side by side, and the front ends of the positive electrode probe and the negative electrode probe are flush, and the rear ends of the positive electrode probe and the negative electrode probe are respectively and electrically connected with the corresponding conductive seats.

Preferably, the probe plate is rectangular, the length direction of the probe plate is defined to be transverse, a strip-shaped jack which is arranged along the transverse direction is arranged on the probe plate, the strip-shaped jack is provided with an upper groove wall and a lower groove wall which are mutually separated and parallel to each other, comb-shaped adjusting teeth are respectively arranged at two ends of the upper groove wall and the lower groove wall, two adjusting positioning blocks are assembled between the upper and lower opposite comb-shaped adjusting teeth, and probe fixing holes are respectively arranged at the centers of the two adjusting positioning blocks to fix the positive electrode probe and the negative electrode probe.

Preferably, the adjusting positioning block is in clamping fit with the comb-shaped adjusting tooth.

Preferably, the probe card further comprises a temperature probe, the temperature probe penetrates through the strip-shaped jack and is positioned between the positive electrode probe and the negative electrode probe, the front end detection head of the temperature probe is flush with the front ends of the positive electrode probe and the negative electrode probe, and the signal output end of the temperature probe is electrically connected with the signal acquisition port of the PCB.

Preferably, the shell is a hollow cuboid shell, the rear part of the inner cavity of the shell is provided with a radiator, the front part of the inner cavity of the shell is provided with a conductive seat, the rear part of the side wall of the shell is provided with a radiating fan, and the radiating fan is aligned with the radiator.

Preferably, the input conducting strip and the output conducting strip are copper strips, so that the input conducting strip and the output conducting strip can be conveniently plugged.

Preferably, the adjusting positioning block is divided into an inserting part and a blocking part along the inserting direction of the adjusting positioning block, the inserting part is tightly clamped between the upper groove wall and the lower groove wall of the strip-shaped jack, the upper edge and the lower edge of the blocking part are respectively blocked at the comb-shaped adjusting teeth 312 of the upper groove wall and the lower groove wall, the excessive insertion of the adjusting positioning block is prevented, and the inserting part can be tightly matched with the upper groove wall and the lower groove wall of the strip-shaped jack, so that the fixing effect can be achieved.

Or, the adjusting positioning blocks are matched with the comb-shaped adjusting teeth in a clamping manner, when the transverse distance between the two adjusting positioning blocks needs to be adjusted, the two adjusting positioning blocks only need to be moved transversely, the adjusting positioning blocks can be clamped with the comb-shaped adjusting teeth, and the positioning of the two adjusting positioning blocks is realized, so that the square battery with different lug distances is adapted. The transverse length of the comb-shaped adjusting teeth is larger than the transverse width of the adjusting positioning blocks, and the comb-shaped adjusting teeth can adapt to square batteries of different types. The adjusting and positioning block is a cube block, and positioning teeth which can be clamped with the comb-shaped adjusting teeth are arranged on the rear end face of the adjusting and positioning block.

An integrated capacity-dividing device, which is characterized in that: comprising an integrated power box according to the utility model.

The integrated capacity-dividing equipment is arranged at the position of the storage position, and the integrated capacity-dividing equipment is matched with a water cooling system at two sides of the storage position to control the uniformity of the internal environment temperature of the capacity-dividing storage position and the uniformity of the surface temperature of the battery.

The beneficial effects of the utility model are as follows: the occupied space is small, and the volume is small; the lead is connected by copper strips, so that the lead is convenient to plug; the radiator and the radiating fan are arranged, so that the radiating effect is good; the interval between the positive electrode probe and the negative electrode probe can be adjusted, so that the battery is suitable for batteries of different types, and the cost is greatly reduced.

Drawings

Fig. 1 is a structural diagram of the present utility model.

Fig. 2 is an internal structural view of the present utility model.

Fig. 3 is a structural view of a power supply unit according to the present utility model.

Detailed Description

The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model will be described in detail below with reference to the drawings in connection with exemplary embodiments.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The utility model relates to an integrated power box for charging and discharging square batteries, which comprises:

the shell 1 is of a hollow structure, and a through hole and a jack are formed in the front end opening and the rear end of the shell 1;

a power supply part 2 disposed inside the housing 1 and including a PCB 21, a heat sink 22, a pair of input conductive strips 23, a pair of output conductive strips 24, and a pair of conductive seats 25, the heat sink 22 being disposed at the inner bottom of the housing 1; the PCB 21 is arranged at the top of the radiator 22, and a data plug-in port 211 of the PCB 21 is arranged at the through hole of the shell 1 in a penetrating way; the input conducting strip 23 is inserted into the jack at the rear end of the shell 1 and is partially accommodated in the shell 1, one end of the input conducting strip is connected with the voltage input end of the PCB 21, the other end of the input conducting strip extends out of the shell 1 to form an external input plug of the PCB, and the PCB 21 is connected with an inverter assembled by an external power supply in a plugging manner through the input conducting strip 23, so that alternating current is converted into direct current and is transmitted to the PCB 21; the output conducting strip 24 is completely accommodated in the shell 1, one end of the output conducting strip is connected with a charge and discharge port of the PCB 21, and the other end of the output conducting strip is connected with the conducting seat 25 in a plugging manner;

and a probe section 3 including a probe card 31, a positive electrode probe 32, and a negative electrode probe 33, the probe card 31 being disposed at a front end opening of the housing 1; the positive electrode probe 32 and the negative electrode probe 33 are arranged in the probe plate 31 in a penetrating way, and the front ends of the positive electrode probe 32 and the negative electrode probe 33 are flush, and the rear ends of the positive electrode probe 32 and the negative electrode probe 33 are respectively electrically connected with the corresponding conductive seats 25 through braided wires.

In some embodiments of the present utility model, the probe plate 31 is rectangular, and defines the length direction of the probe plate 31 as transverse direction, the probe plate 31 is provided with a strip-shaped insertion hole 311, the strip-shaped insertion hole 311 has an upper slot wall 3111 and a lower slot wall 3112 which are spaced apart from each other and parallel to each other, both transverse ends of the upper slot wall 3111 and the lower slot wall 3112 are provided with comb-shaped adjusting teeth 312, two adjusting positioning blocks 313 are disposed between the upper and lower opposite comb-shaped adjusting teeth 312, and the centers of the two adjusting positioning blocks 313 are provided with probe fixing holes for respectively fixing the positive electrode probe 32 and the negative electrode probe 33.

In some embodiments of the present utility model, the adjusting block 313 is divided into an insertion portion and a blocking portion along the insertion direction of the adjusting block 313, the insertion portion is tightly clamped between the upper slot wall 3111 and the lower slot wall 3112 of the strip-shaped jack 311, and the upper edge and the lower edge of the blocking portion are respectively blocked at the comb-shaped adjusting teeth 312 of the upper slot wall 3111 and the lower slot wall 3112, so as to prevent the adjusting block 313 from being excessively inserted, and the insertion portion can be tightly matched with the upper slot wall 3111 and the lower slot wall 3112 of the strip-shaped jack 311, so as to play a role of fixing.

In other embodiments of the present utility model, the adjusting positioning blocks 313 are engaged with the comb-shaped adjusting teeth 312, when the lateral spacing between the two adjusting positioning blocks 313 needs to be adjusted, only the two adjusting positioning blocks 313 need to be moved laterally, and the adjusting positioning blocks 313 can be engaged with the comb-shaped adjusting teeth 312 to realize positioning of the two adjusting positioning blocks 313, so as to adapt to square batteries with different lug spacing. In some embodiments of the present utility model, the comb-shaped adjusting teeth 312 have a lateral length greater than the lateral width of the adjusting block 313, so as to accommodate different types of square batteries.

In other embodiments of the present utility model, the adjusting positioning block 313 is a cube, and the rear end surface of the adjusting positioning block 313 is provided with positioning teeth that can be engaged with the comb-shaped adjusting teeth 312. When the comb-shaped adjusting device is used, the adjusting positioning block 313 can be pulled out partially, so that the positioning teeth are separated from the comb-shaped adjusting teeth 312, the adjusting positioning block 313 is inserted backwards after the transverse position of the adjusting positioning block 313 in the strip-shaped inserting hole 311 is adjusted, and the positioning teeth are clamped into the comb-shaped adjusting teeth 312, so that the fixing of the adjusting positioning block 313 is realized.

In some embodiments of the present utility model, the probe board 31 further includes a temperature probe 34, the temperature probe 34 is inserted into the strip-shaped jack 311 and is located between the positive electrode probe 32 and the negative electrode probe 33, the front end detection head of the temperature probe 34 is flush with the front ends of the positive electrode probe 32 and the negative electrode probe 33, and the signal output end of the temperature probe 34 is electrically connected with the signal acquisition port of the PCB 21.

In some embodiments of the present utility model, the housing 1 is a hollow cuboid housing, the rear part of the inner cavity of the housing 1 is provided with the radiator 22, the front part of the inner cavity of the housing 1 is provided with the conductive seat 25, the rear part of the side wall of the housing 1 is provided with the heat dissipation fan 4, and the heat dissipation fan 4 is aligned with the radiator 22, so that the heat in the housing can be rapidly exhausted, and the function of rapid heat dissipation of the power supply part is achieved.

In some embodiments of the present utility model, the input conductive strip 23 and the output conductive strip 24 are copper strips, and are directly connected between the AC-assembled inverter and the DC PCB board in a plugging manner, so as to realize a wire-free connection between AC-DC and DC-DC devices, and da Fu reduces heat dissipation of wires, thereby facilitating plugging. The input conductive strip 23 and the output conductive strip 24 pass through more than 200A of current, so that the conversion efficiency in the charging and discharging processes is improved.

In some embodiments of the present utility model, comb plates 221 are disposed at intervals at the bottom of the heat sink 22, and a heat dissipation space is left between adjacent comb plates 221, so as to facilitate heat dissipation of a PCB board disposed on top of the heat sink 22.

In some embodiments of the present utility model, the positive electrode probe 32 and the negative electrode probe 33 are consistent in structure and interchangeable in position, and the contact surfaces of the front ends of the positive electrode probe 32 and the negative electrode probe 33 are provided with a current contact area and a voltage contact area for contacting with the tab of the square battery, and the rear ends are electrically connected with the corresponding wire holders 25 through braided wires.

An integrated capacity-dividing device comprises an integrated power box. The integrated capacity-dividing equipment is arranged at the position of the storage position, and the integrated capacity-dividing equipment is matched with a water cooling system at two sides of the storage position to control the uniformity of the internal environment temperature of the capacity-dividing storage position and the uniformity of the surface temperature of the battery.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (7)

1. An integrated power box for charging and discharging a square battery, comprising:

the shell (1), the shell (1) is of a hollow structure, and the front end opening and the rear end of the shell (1) are provided with through holes and jacks;

a power supply part (2) which is arranged inside the shell (1) and comprises a PCB (21), a radiator (22), a pair of input conducting strips (23), a pair of output conducting strips (24) and a pair of conducting seats (25), wherein the radiator (22) is arranged at the inner bottom of the shell (1); the PCB (21) is arranged at the top of the radiator (22), and a data plug-in port (211) of the PCB (21) is arranged at the through hole of the shell (1) in a penetrating way; the input conducting strip (23) is inserted into an insertion hole at the rear end of the shell (1) and is partially accommodated in the shell (1), one end of the input conducting strip is connected with the voltage input end of the PCB (21), the other end of the input conducting strip extends out of the shell (1) to form an external input plug of the PCB, and the PCB (21) is connected with an inverter assembled by an external power supply in an inserting mode through the input conducting strip (23); the output conducting strip (24) is completely contained in the shell (1), one end of the output conducting strip is connected with a charge and discharge port of the PCB (21), and the other end of the output conducting strip is connected with the conducting seat (25) in an inserting manner;

and a probe section (3) comprising a probe card (31), a positive electrode probe (32) and a negative electrode probe (33), the probe card (31) being provided at the front end opening of the housing (1); the positive electrode probe (32) and the negative electrode probe (33) are arranged in the probe plate (31) in a penetrating mode in parallel, the front ends of the positive electrode probe (32) and the negative electrode probe (33) are flush, and the rear ends of the positive electrode probe and the negative electrode probe are respectively and electrically connected with the corresponding conductive seat (25).

2. An integrated power supply box for square battery charging and discharging as claimed in claim 1, wherein: the probe board (31) be the rectangle, define the length direction of probe board (31) for transversely, probe board (31) on be equipped with one along the strip jack (311) of transversely setting, strip jack (311) have each other separate and upper groove wall (3111) and lower cell wall (3112) that are parallel to each other, upper groove wall (3111) and lower cell wall (3112) both ends all are equipped with comb regulation tooth (312), and the upper and lower opposite comb is furnished with two regulation locating pieces (313) between regulation tooth (312), and the central authorities of two regulation locating pieces (313) all are equipped with the probe fixed orifices, fix anodal probe (32) and negative pole probe (33) respectively.

3. An integrated power supply box for square battery charging and discharging as claimed in claim 2, wherein: the adjusting positioning block (313) is in clamping fit with the comb-shaped adjusting teeth (312).

4. An integrated power supply box for square battery charging and discharging as claimed in claim 3, wherein: the probe board (31) on still include temperature probe (34), temperature probe (34) wear to locate in strip jack (311) to be located between anodal probe (32) and negative pole probe (33), the front end of temperature probe (34) detects head and anodal probe (32), the front end parallel and level of negative pole probe (33), the signal output part of temperature probe (34) is connected with the signal acquisition port electricity of PCB board (21).

5. An integrated power supply box for square battery charging and discharging as claimed in claim 4, wherein: the shell (1) is a hollow cuboid shell, the rear part of the inner cavity of the shell (1) is provided with a radiator (22), the front part of the inner cavity of the shell (1) is provided with a conductive seat (25), the rear part of the side wall of the shell (1) is provided with a radiating fan (4), and the radiating fan (4) is aligned with the radiator (22).

6. An integrated power supply box for square battery charging and discharging as claimed in claim 5, wherein: the input conducting strip (23) and the output conducting strip (24) are copper strips.

7. An integrated power supply box for square battery charging and discharging as claimed in claim 6, wherein: the input conducting strip (23) and the output conducting strip (24) pass through more than 200A of current.

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