Battery module charging tool

Abstract

The utility model provides a battery module charging tool, which relates to the technical field of battery tools, and comprises a substrate pressed on a battery cell, the substrate is provided with a through strip-shaped groove, two probe mechanisms are installed in the strip-shaped groove in a sliding manner, and the two probe mechanisms can slide along the strip-shaped groove to change the interval between the two probe mechanisms; when voltage balance is carried out on different battery cells, electrode intervals of the different battery cells can be adjusted, so that a worker can conveniently and quickly carry out butt joint conduction on a single battery cell, and the battery cell balance efficiency and convenience in the whole battery pack can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery tooling, especially to a battery module power supply tool. BACKGROUND

[0002] A plurality of battery cells are contained in the whole battery pack internal structure, and the connection of the battery cells is generally through series connection to provide energy for the whole vehicle, the damage or voltage instability of a single battery cell can affect the safety and charge-discharge balance of the whole battery pack, voltage polarization anomaly of a single battery cell can cause the whole module charge-discharge performance to decline and even affect safety, and it is usually necessary to individually supply power to the battery cell to realize the balance of the whole module voltage platform, but the mainstream module structure at present is integral type and the number of battery cells in series in the module is different, when the whole module is overhauled, it is necessary to balance each battery cell in the module to meet the voltage balance of each battery cell, but when balancing the voltage of each battery cell, personnel need to connect the power connection device with the positive and negative poles of each battery cell, and since the number of battery cells is large, the whole workload can affect work efficiency. SUMMARY

[0003] The utility model solves the technical problem that the battery module power supply tool provides a battery module power supply tool to solve the problem of battery cell voltage balance.

[0004] Based on the technical problems in the background art, the utility model provides a battery module power supply tool, which comprises a substrate pressed on a battery cell, the substrate is provided with a through strip-shaped slot, two probe mechanisms are slidably installed in the strip-shaped slot, and the two probe mechanisms can slide along the strip-shaped slot to change the interval therebetween.

[0005] In the above-mentioned scheme, the two probe mechanisms can adjust the interval therebetween to conduct electricity on the electrodes of different battery cells, and the applicability of the device to different battery cells can be improved.

[0006] Preferably, the lower surface of the substrate is provided with support blocks of the same thickness on both sides, and the bottom end of the probe mechanism is lower than the lower surface of the support block.

[0007] In the above-mentioned scheme, the support blocks can support the substrate, provide space for the bottom of the substrate, and provide a space for the position of the pole piece of the battery cell, so that the probe mechanism can be in contact with the pole piece.

[0008] Preferably, guide rails are arranged on both sides of the strip-shaped slot, the guide rails have an interval therebetween, a sliding block is slidably installed between the guide rails, and the probe mechanism is connected with the sliding block.

[0009] The guide rail arranged in the strip-shaped groove can provide support for the probe mechanism and provide a sliding track for the probe mechanism, and the strip-shaped groove can increase friction between the probe mechanism and the strip-shaped groove and stabilize the position of the probe mechanism after stopping.

[0010] Preferably, the sliding block comprises a limiting ring and a sliding pipe, the sliding pipe is located between the two side guide rails, and the two ends of the sliding pipe are connected with the limiting rings with a diameter larger than the interval between the two side guide rails, and the center of the limiting ring is communicated with the center of the sliding pipe.

[0011] The limiting ring arranged in the sliding block can prevent the sliding pipe from falling off, and can limit the two ends of the sliding pipe between the guide rails to prevent the sliding pipe from falling off the guide rails.

[0012] Preferably, the probe mechanism comprises an outer pipe body and an inner probe, the outer pipe body is provided with a piston, the inner probe is sleeved with a ring sleeve, one end of the inner probe is connected with the piston in the outer pipe body, the ring sleeve is threadedly connected with the inner wall of the outer pipe body, the end of the inner probe away from the piston is connected with an electrical contact block, and the inner probe is sleeved with an elastic element, and the two ends of the elastic element abut against the electrical contact block and the ring sleeve, respectively.

[0013] The inner probe can slide relative to the outer pipe body, can better contact and conduct electricity with the pole piece of the battery cell, and can keep good contact with the electrode under the action of the elastic element, thereby improving the stability of the conduction.

[0014] Preferably, the upper surface of the base plate is provided with a counterweight.

[0015] The counterweight can increase the weight of the base plate, so that the probe mechanism can be provided with good pressure when the base plate is on the battery cell, and the probe mechanism can stably contact the electrode of the battery cell.

[0016] Preferably, the top end of the outer pipe body is provided with a clamping column for facilitating clamping.

[0017] The clamping column arranged in the outer pipe body is used for

[0018] Preferably, the sliding pipe is made of rubber, the outer pipe body is inserted into the sliding pipe for connection, and the electrical contact block is located below the base plate.

[0019] Compared with the prior art, the battery module power supply tool adopts the technical scheme, and has the following technical effects:

[0020] When different battery cells are subjected to voltage balancing, the electrode interval of different battery cells can be adjusted, the personnel can quickly butt joint and conduct electricity on a single battery cell, and the efficiency and convenience of balancing the battery cells in the whole battery pack can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1The whole structure schematic view of the utility model is shown in the figure.

[0022] Figure 2 The front view of the utility model is shown in the figure.

[0023] Figure 3 The cross section internal structure schematic view of the utility model is shown in the figure.

[0024] In the figure: 1, base plate; 11, strip-shaped groove; 2, probe mechanism; 3, supporting block; 12, guide rail; 4, sliding block; 41, limiting ring; 42, sliding pipe; 21, outer pipe body; 22, inner probe; 23, piston; 24, ring sleeve; 25, electricity receiving block; 26, elastic member; 5, counterweight block; 211, clamping column. DETAILED DESCRIPTION

[0025] In the utility model, unless another explicit provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrated; can be mechanical connection, or electrical connection or each other can communicate; can be directly connected, or indirectly connected through intermediate media, can be two elements inside the communication or two elements of the interaction relationship, unless otherwise explicitly limited. For ordinary skilled in the art, the above terms can be understood according to the specific meaning of the utility model.

[0026] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature can be the first and second features directly contact, or the first and second features indirectly contact through intermediate media. Moreover, the first feature is "on", "above" and "on" the second feature can be the first feature directly above or obliquely above the second feature, or just indicate that the first feature is higher than the second feature in horizontal height. The first feature is "under", "below" and "under" the second feature can be the first feature directly below or obliquely below the second feature, or just indicate that the first feature is less than the second feature in horizontal height.

[0027] EMBODIMENT

[0028] Please refer to Figures 1-3 The utility model provides a kind of battery module power supply tool, including the base plate 1 pressed on battery cell, base plate 1 is provided with the strip-shaped groove 11 passing through, two probe mechanisms 2 are slidably installed in strip-shaped groove 11, two probe mechanisms 2 can be changed the interval between them along strip-shaped groove 11 sliding hang;In the present scheme, multiple battery cells will be regularly arranged in battery pack, the present application is mainly aimed at square battery cell, voltage balancing is carried out on square battery cell, two probe mechanisms 2 can change the position on strip-shaped groove 11 to correspond the pole piece position of battery cell, then conduct electricity by clamping wire and probe mechanism 2, can facilitate personnel to carry out conductive work quickly to battery cell.

[0029] In specific embodiments, referring to Figure 3 , the lower surface of the substrate 1 is provided with support blocks 3 of equal thickness on both sides, and the bottom end of the probe mechanism 2 is lower than the lower surface of the support blocks 3; in this scheme, the support blocks 3 are used to support the substrate 1, so that the probe mechanism 2 has redundancy, and the support blocks 3 can be replaced by various shaped feet that can support the substrate 1 and need to have insulation effect.

[0030] In specific embodiments, referring to Figure 3 , the bar-shaped groove 11 is provided with guide rails 12 on both sides, and the two guide rails 12 have a gap therebetween, and a sliding block 4 is slidingly installed between the two guide rails 12, and the probe mechanism 2 is connected with the sliding block 4; in this scheme, the guide rails 12 are used to limit the sliding block 4 in the bar-shaped groove 11, which can prevent the sliding block 4 from falling off and provide a stable sliding track for the sliding block 4, thereby improving the stability of the overall device.

[0031] In specific embodiments, referring to Figure 3 , the sliding block 4 comprises a limiting ring 41 and a sliding pipe 42, the sliding pipe 42 is located between the two guide rails 12, and the limiting ring 41 with a diameter larger than the gap between the two guide rails 12 is connected to both ends of the sliding pipe 42, and the center of the limiting ring 41 is in communication with the center of the sliding pipe 42; in this scheme, the sliding block 4 mainly provides a mounting position for the probe mechanism 2 and can provide a detachable function for the probe mechanism 2, so that when the probe mechanism 2 is damaged, it can be conveniently disassembled and replaced, and the limiting rings 41 at both ends of the sliding pipe 42 can limit the sliding pipe 42 on the guide rails 12, thereby stabilizing the position of the sliding pipe 42.

[0032] In specific embodiments, referring to Figure 3 , the probe mechanism 2 comprises an outer pipe body 21, an inner probe 22, a piston 23 arranged in the outer pipe body 21, and a ring sleeve 24 sleeved on the inner probe 22, one end of the inner probe 22 is connected with the piston 23 in the outer pipe body 21, the ring sleeve 24 is threadedly connected with the inner wall of the outer pipe body 21, an electricity contact block 25 is connected to the end of the inner probe 22 away from the piston 23, the inner probe 22 is sleeved with an elastic member 26, and the two ends of the elastic member 26 abut against the electricity contact block 25 and the ring sleeve 24 respectively; in this scheme, when in use, the entire device is placed above the battery cell, the electricity contact block of the probe mechanism 2 abuts against the electrode of the battery cell, and under the action of the gravity of the entire device, the outer pipe body 21 is pressed, and the outer pipe body 21 provides pressure to the inner probe 22 under the action of the elastic member 26, so that the electricity contact block at the end of the inner probe 22 can tightly contact the electrode of the battery cell, thereby improving the stability of the conduction.

[0033] In specific embodiments, referring to Figure 1 , the upper surface of the substrate 1 is provided with a counterweight 5; the counterweight 5 in this scheme is used to increase the weight of the entire device, so as to facilitate the extrusion of the substrate 1 on the probe mechanism 2 and realize the stability of the probe mechanism 2 abutting against the electrode.

[0034] In specific embodiments, referring to Figure 2 , the top end of the outer pipe body 21 is provided with a clamping column 211 for convenient clamping; in this scheme, the clamping column 211 is used for the clamping of the wire end for conduction, which is convenient for personnel to use.

[0035] In specific embodiments, referring to Figure 3 , the sliding pipe 42 is made of rubber material, the outer pipe body 21 is inserted into the sliding pipe 42 for connection, and the power connection block 25 is located below the base plate 1; in this scheme, the sliding pipe 42 and the outer pipe body 21 can be conveniently installed and disassembled by personnel, and since the material of the sliding pipe 42 is rubber, it can be deformed to a certain extent and can be installed through the interval between the two side rails 12, which is convenient for personnel to install and use.

[0036] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, can be replaced or changed equivalently, which should be covered within the protection scope of the present application.

Claims

1. A battery module power supplementing tool, characterized by, The application relates to a probe mechanism for testing the performance of a battery, which comprises a substrate (1) pressed on the battery, wherein the substrate (1) is provided with a strip-shaped slot (11) penetrating through the substrate (1), two probe mechanisms (2) are slidingly installed in the strip-shaped slot (11), and the two probe mechanisms (2) can slide along the strip-shaped slot (11) to change the interval between the two probe mechanisms (2).

2. The battery module power supply tool according to claim 1, wherein The lower surface of the substrate (1) is provided with support blocks (3) with the same thickness on both sides, and the bottom end of the probe mechanism (2) is lower than the lower surface of the support block (3).

3. The battery module power supply tool according to claim 1, wherein The strip-shaped slot (11) is provided with guide rails (12) on both sides, the interval between the two guide rails (12) is provided with a sliding block (4), and the probe mechanism (2) is connected with the sliding block (4).

4. The battery module power supply tool according to claim 3, wherein The sliding block (4) comprises a limiting ring (41) and a sliding pipe (42), the sliding pipe (42) is located between the two guide rails (12), the two ends of the sliding pipe (42) are connected with the limiting ring (41) with a diameter larger than the interval between the two guide rails (12), and the center of the limiting ring (41) is communicated with the center of the sliding pipe (42).

5. The battery module power supply tool according to claim 4, wherein The probe mechanism (2) comprises an outer pipe body (21), an inner probe (22), a piston (23) arranged in the outer pipe body (21), a ring sleeve (24) sleeved on the inner probe (22), one end of the inner probe (22) is located in the outer pipe body (21) and connected with the piston (23), the ring sleeve (24) is screw-connected with the inner wall of the outer pipe body (21), one end of the inner probe (22) away from the piston (23) is connected with an electricity-connection block (25), the inner probe (22) is sleeved with an elastic element (26), and the two ends of the elastic element (26) abut against the electricity-connection block (25) and the ring sleeve (24) respectively.

6. The battery module power supply tool according to claim 1, wherein The upper surface of the substrate (1) is provided with a counterweight block (5).

7. The battery module power supply tool according to claim 5, wherein The top end of the outer pipe body (21) is provided with a clamping column (211) facilitating clamping.

8. The battery module power supply tool according to claim 5, wherein The sliding pipe (42) is made of rubber, the outer pipe body (21) is inserted into the sliding pipe (42) to be connected, and the electricity-connection block (25) is located below the substrate (1).

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