Module liquid supplementing device and liquid supplementing system

Abstract

The utility model discloses a module liquid supplementing device, which comprises a liquid supplementing mechanism and a positioning structure, the liquid supplementing mechanism is used for supplementing liquid for a module, the liquid supplementing mechanism comprises a liquid supplementing end, the positioning structure is connected with the liquid supplementing end, and the liquid supplementing end is detachably fixed on the module. According to the utility model, the problem of poor connection stability of the liquid supplementing device and the module in the liquid supplementing process is solved, and the stability of the liquid supplementing process is improved. The utility model further discloses a liquid supplementing system.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery module technical field especially relates to a module liquid supplementing device and liquid supplementing system. BACKGROUND

[0002] New energy secondary battery is the heart of energy storage power station, and the safety, working stability and reliability of new energy secondary battery as the core component of energy storage power station directly affect the use performance and safety of energy storage power station. The battery module of new energy secondary battery will be attenuated after a long time use, and the performance of the battery module can be recovered or partially recovered by supplementing liquid to the battery module, thereby prolonging the service life of the battery. SUMMARY

[0003] At present, the liquid supplementing device for the module mostly adopts the mode that the liquid supplementing needle is inserted into the liquid supplementing hole, but the liquid supplementing end of the liquid supplementing device lacks a structure for mounting and fixing the liquid supplementing device on the module, so that the stability of the connection between the liquid supplementing needle and the module exists in the liquid supplementing process. In order to overcome these shortcomings and deficiencies, the purpose of the utility model is to provide a module liquid supplementing device and liquid supplementing system, solve the problem of poor connection stability between the liquid supplementing device and the module in the liquid supplementing process, and improve the stability of the liquid supplementing process.

[0004] The purpose of the utility model is achieved through the following technical scheme:

[0005] A module liquid supplementing device, comprising a liquid supplementing mechanism and a positioning structure, the liquid supplementing mechanism is used for supplementing liquid to the module, the liquid supplementing mechanism comprises a liquid supplementing end, the positioning structure is connected with the liquid supplementing end and detachably fixes the liquid supplementing end on the module.

[0006] In an embodiment, the positioning structure comprises a positioning plate, the positioning plate is provided with a fixing structure, and the fixing structure is used for fixing the positioning plate on the module.

[0007] In an embodiment, the fixing structure comprises a fixing hole and a fixing bolt, one end of the fixing bolt is threadedly connected with the module through the fixing hole, so as to mount the positioning plate on the module.

[0008] In an embodiment, the positioning plate is further provided with a connecting structure, and the connecting structure is connected with the liquid supplementing end.

[0009] In an embodiment, the connecting structure comprises a plurality of connecting holes, the liquid supplementing end is a plurality of, the liquid supplementing end corresponds to the connecting hole one by one, and the liquid supplementing end is mounted on the positioning plate through the connecting hole.

[0010] In an embodiment, the liquid supplementing mechanism further comprises a liquid infusion structure, and the liquid infusion structure is used for infusing liquid to the liquid supplementing end.

[0011] In an embodiment, the infusion structure comprises a liquid supplement pump and a connecting pipe, the connecting pipe comprises a first connecting pipe and a plurality of second connecting pipes, the liquid supplement ends are multiple, the second connecting pipes are connected with the liquid supplement ends one by one, each of the second connecting pipes is provided with a first valve, and each of the second connecting pipes is connected with the first connecting pipe.

[0012] The utility model also provides a kind of liquid supplement system, including module and the module liquid supplement device as described above, the module includes at least one electric core group, the electric core group includes supporting plate and multiple electric cores being arranged on the supporting plate, the positioning structure is detachably connected with the supporting plate, so that the liquid supplement end is detachably fixed on the module.

[0013] In an embodiment, the supporting plate is provided with a plurality of mounting holes; the positioning structure comprises a positioning plate, the positioning plate is provided with a plurality of fixing structures, the fixing structure comprises a fixing hole and a fixing bolt, one end of the fixing bolt is threadedly connected with the mounting hole through the fixing hole, so as to fix the positioning plate on the supporting plate.

[0014] In an embodiment, the side end of each electric core is provided with a liquid supplement port, and the liquid supplement end is inserted into the liquid supplement port for liquid supplement.

[0015] The utility model has the beneficial effect that the liquid supplement end of the liquid supplement mechanism is installed through the positioning structure, and the liquid supplement end is detachably fixed on the module, which solves the problem of poor connection stability of the original liquid supplement end and the module, avoids the problem of liquid overflow caused by shaking of the liquid supplement end during liquid supplement, and improves the stability of the liquid supplement process. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0017] Figure 1 It is the partial structure schematic view of the liquid supplement system of the embodiment of the utility model;

[0018] Figure 2 It is Figure 1 The local enlarged view at A;

[0019] Figure 3 It is Figure 1 The structure schematic view of the module liquid supplement device in

[0020] Figure 4 is Figure 3 the connection schematic view of the positioning structure in the liquid supplementing end;

[0021] Figure 5 is Figure 3 the structure schematic view of the liquid supplementing pump in the liquid supplementing mechanism;

[0022] Figure 6 is Figure 3 the structure schematic view of the liquid storage tank in the liquid supplementing mechanism.

[0023] In the figure: 1, liquid supplementing mechanism; 11, liquid supplementing end; 2, liquid delivery structure; 21, liquid supplementing pump; 211, ceramic pump body; 212, stroke adjusting part; 22, connecting pipe; 221, first connecting pipe; 222, second connecting pipe; 223, first valve; 23, liquid storage tank; 231, pressurizing port; 232, exhaust port; 233, pressure gauge; 234, liquid adding port; 235, second valve; 24, first pipeline; 25, second pipeline; 3, positioning structure; 31, positioning plate; 32, fixing structure; 321, fixing hole; 322, fixing bolt; 33, connecting structure; 331, connecting hole; 34, handle; 35, accommodation groove; 4, module; 41, battery cell group; 411, supporting plate; 412, battery cell; 413, liquid supplementing port; 5, display screen. DETAILED DESCRIPTION

[0024] The specific embodiments of the present application will be described in detail in the following with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the description of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0025] In the description of the present application, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0026] The terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of description and simplification of description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] The terms "first", "second", "third", and the like, are used merely to distinguish like elements and are not intended to or imply relative importance or specific order.

[0028] The terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] The utility model provides a module liquid supplementing device, as shown in the figure, comprising liquid supplementing mechanism 1 and positioning structure 3, and the liquid supplementing mechanism 1 is used to supplement the liquid to module 4, and the liquid supplementing mechanism 1 comprises liquid supplementing end 11, and the positioning structure 3 is connected with the liquid supplementing end 11 and detachably fixes the liquid supplementing end 11 on the module 4. Figure 1 to Figure 4 In the embodiment, the liquid supplementing end 11 of the liquid supplementing mechanism 1 is installed through the positioning structure 3, and the liquid supplementing end 11 is detachably fixed on the module 4, the problem of poor connection stability of the original liquid supplementing end 11 and the module 4 is solved, the problem of liquid overflow caused by the shaking of the liquid supplementing end 11 in the liquid supplementing process is avoided, and the stability of the liquid supplementing process is improved.

[0030] As an implementation mode, as shown in the figure, the positioning structure 3 comprises a positioning plate 31, and the positioning plate 31 is provided with a fixing structure 32. Figure 1 The fixing structure 32 is used for fixing the positioning plate 31 on the module 4.

[0031] As an implementation mode, as shown in the figure, the fixing structure 32 comprises a fixing hole 321 and a fixing bolt 322, one end of the fixing bolt 322 is screwed with the module 4 through the fixing hole 321, the installation and positioning between the liquid supplementing end 11 and the module 4 are realized, the liquid supplementing is facilitated and accurate, and the stability in the liquid supplementing process is good. Figure 1 Figure 3 As an implementation mode, as shown in the figure, the fixing structure 32 comprises a fixing hole 321 and a fixing bolt 322, one end of the fixing bolt 322 is screwed with the module 4 through the fixing hole 321, the installation and positioning between the liquid supplementing end 11 and the module 4 are realized, the liquid supplementing is facilitated and accurate, and the stability in the liquid supplementing process is good.

[0032] As an implementation mode, as shown in the figure, the positioning plate 31 is further provided with a connecting structure 33, and the connecting structure 33 is connected with the liquid supplementing end 11. Figure 3

[0033] As an implementation mode, as shown in the figure, the positioning plate 31 is further provided with a connecting structure 33, and the connecting structure 33 is connected with the liquid supplementing end 11. Figure 1 to Figure 4 ​​As shown, the connection structure 33 includes a plurality of connection holes 331, and there are multiple fluid replenishment ends 11, and the fluid replenishment ends 11 correspond one-to-one with the connection holes 331. The fluid replenishment ends 11 are installed on the positioning plate 31 through the connection holes 331. Among them, the multiple connection holes 331 are arranged in sequence along the length direction of the positioning plate 31. The positions of the connection holes 331 correspond one-to-one to the positions of the battery cells 412, so that one connection hole 331 corresponds to one battery cell 412; the fluid replenishment mechanism 1 includes a plurality of fluid replenishment ends 11, and the plurality of fluid replenishment ends 11 are all installed on the positioning plate 31, and the positioning plate 31 is installed on the module 4. One fluid replenishment end 11 is inserted into a corresponding battery cell 412 through one connection hole 331, so that multiple battery cells 412 are replenished at one time, with high fluid replenishment efficiency and high docking accuracy.

[0034] As an implementation method, Figure 3 and Figure 4 As shown, the fluid infusion mechanism 1 further includes a fluid infusion structure 2 , which is used for infusing fluid into the fluid infusion end 11 .

[0035] As an implementation method, Figure 1 to Figure 6 As shown, the infusion structure 2 includes a fluid infusion pump 21 and a connecting tube 22. The connecting tube 22 includes a first connecting tube 221 and multiple second connecting tubes 222. There are multiple fluid infusion ends 11, and the second connecting tubes 222 are connected to the fluid infusion ends 11 in a one-to-one correspondence. Each second connecting tube 222 is provided with a first valve 223. Each second connecting tube 222 is connected to the first connecting tube 221. The first connecting tube 221 is connected to the fluid infusion pump 21 via a first pipeline 24. The fluid infusion pump 21 is connected to the liquid outlet of the liquid storage tank 23 via a second pipeline 25. During fluid infusion, the second valve 235 at the liquid outlet of the liquid storage tank 23 is opened, and the fluid infusion pump 21 is started to pump the electrolyte in the liquid storage tank 23 into the corresponding battery cell 412. A single fluid infusion pump 21 controls the fluid infusion of each battery cell 412, streamlining the use of components, optimizing the pipeline layout, and reducing costs. The liquid storage tank 23 is also provided with a pressurizing port 231, an exhaust port 232, a pressure gauge 233 and a liquid filling port 234; an external pressure source can be connected through the pressurizing port 231 to pressurize the liquid in the tank to control the fluid pressure; the air in the system is discharged through the exhaust port 232 to prevent the liquid storage tank 23 from rupturing due to liquid expansion, thereby avoiding economic losses and safety hazards; the system pressure is monitored and displayed through the pressure gauge 233 to monitor the operating status and safety of the system; electrolyte is added to the liquid storage tank 23 through the liquid filling port 234. Among them, the rehydration pump 21 includes a ceramic pump body 211 and a stroke adjustment part 212. The rehydration pump 21 adopts a single-head rehydration pump, and the ceramic pump core is nano-level technology, which does not jam and does not leak. The rehydration pump 21 adopts mechanical and parametric two-way adjustment, can be displaced within an effective range, and accurately controls the liquid output, which solves the product debugging requirements.

[0036] As an implementation method, Figure 1 andFigure 4 As shown, the positioning plate 31 is also provided with a handle 34. When the positioning plate 31 is installed on the module 4, the positioning plate 31 can be pressed and fixed by the handle 34, which makes the operation more convenient. The positioning plate 31 is also provided with a clearance groove 35 to make way for protruding parts on the module 4 to avoid installation interference.

[0037] As an embodiment, the infusion end 11 is a flexible infusion needle, and each first valve 223 is a stainless steel valve. The device is made of metal, which is lightweight and corrosion-resistant, acid- and alkali-resistant, greatly extending the service life of the device.

[0038] The utility model also provides a fluid replenishing system, such as Figure 1 to Figure 4 As shown, the module 4 and the module rehydration device described above are included. The module 4 includes at least one battery cell group 41, which includes a support plate 411 and multiple battery cells 412 disposed on the support plate 411. The positioning structure 3 is detachably connected to the support plate 411, thereby detachably fixing the rehydration port 11 to the module 4. The multiple battery cells 412 are arranged and mounted on the support plate 411 along the thickness direction X thereof. The module 4 includes multiple battery cell groups 41, each of which is stacked in sequence along the thickness direction of the module 4, and the support plate 411 of each battery cell group 41 can be connected to the positioning structure 3.

[0039] As an implementation method, Figure 1 to Figure 4 As shown, a plurality of mounting holes (not shown) are provided on the support plate 411; the positioning structure 3 includes a positioning plate 31, and a plurality of fixing structures 32 are provided on the positioning plate 31. The fixing structures 32 correspond one-to-one to the mounting holes. The fixing structures 32 include fixing holes 321 and fixing bolts 322. The fixing bolts 322 pass through one end of the fixing holes 321 and are threadedly connected to the mounting holes to fix the positioning plate 31 on the support plate 411.

[0040] As an implementation method, Figure 1 and Figure 2 As shown, a liquid replenishing port 413 is provided at the side end of each battery cell 412 , and the liquid replenishing end 11 is inserted into the liquid replenishing port 413 for liquid replenishment.

[0041] As an implementation method, Figure 1 to Figure 6 As shown, the fluid infusion system includes a control system and a display screen 5. The fluid infusion pump 21, the second valve 235, and each first valve 223 are all connected to the control system signal. The control system regulates the opening and closing of the fluid infusion pump 21 and each valve, realizing intelligent control of fluid infusion. Specifically, the control system controls the fluid infusion volume, rotation time, rotation speed, etc. of the fluid infusion pump 21, enabling more precise control of the fluid infusion process. The display screen 5 can display various data of the fluid infusion pump 21 and the opening and closing status of each valve, allowing staff to more clearly understand the fluid infusion status.

[0042] The utility model discloses a positioning structure 3 is set up, and the liquid supplementing end 11 of liquid supplementing device is installed on the positioning structure 3, and the positioning structure 3 is installed on the module 4, thereby the liquid supplementing end 11 of liquid supplementing device is docked with the electric core 412 on the module 4, and the docking is accurate, and the stability is good during the liquid supplementing process.

[0043] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed the above with the preferred embodiment, however, is not used to limit the utility model, any person skilled in the art, without departing from the technical scheme range of the utility model, can make some changes or modification to the above disclosed technical content, is the equivalent embodiment of equivalent change, but as long as not departing from the technical scheme content of the utility model, according to the technical essence of the utility model, any simple modification, equivalent change and modification of the above embodiment, still belong to the protection scope of the technical scheme of the utility model.

Claims

1. A module fluid replenishing device, characterized in that: The invention comprises a fluid replenishing mechanism (1) and a positioning structure (3), wherein the fluid replenishing mechanism (1) is used for replenishing fluid to a module (4), the fluid replenishing mechanism (1) comprises a fluid replenishing end (11), the positioning structure (3) is connected to the fluid replenishing end (11), and the fluid replenishing end (11) is detachably fixed to the module (4); the positioning structure (3) comprises a positioning plate (31), and a fixing structure (32) is provided on the positioning plate (31), and the fixing structure (32) is used for fixing the positioning plate (31) to the module (4).

2. The module fluid replenishing device according to claim 1, wherein: The fixing structure (32) comprises a fixing hole (321) and a fixing bolt (322); one end of the fixing bolt (322) passes through the fixing hole (321) and is threadedly connected to the module (4) to mount the positioning plate (31) on the module (4).

3. The module fluid replenishing device according to claim 1, wherein: The positioning plate (31) is further provided with a connecting structure (33), and the connecting structure (33) is connected to the fluid infusion end (11).

4. The module fluid replenishing device according to claim 3, wherein: The connection structure (33) includes a plurality of connection holes (331), the fluid infusion ends (11) are multiple, the fluid infusion ends (11) correspond one-to-one to the connection holes (331), and the fluid infusion ends (11) are mounted on the positioning plate (31) through the connection holes (331).

5. The module fluid replenishing device according to claim 1, wherein: The fluid infusion mechanism (1) further comprises a fluid infusion structure (2), and the fluid infusion structure (2) is used for infusing fluid into the fluid infusion end (11).

6. The module fluid replenishing device according to claim 5, wherein: The infusion structure (2) comprises a fluid infusion pump (21) and a connecting tube (22), wherein the connecting tube (22) comprises a first connecting tube (221) and a plurality of second connecting tubes (222), the fluid infusion ends (11) are multiple, the second connecting tubes (222) are connected to the fluid infusion ends (11) in a one-to-one correspondence, each of the second connecting tubes (222) is provided with a first valve (223), each of the second connecting tubes (222) is connected to the first connecting tube (221), and the first connecting tube (221) is connected to the fluid infusion pump (21) via a pipeline.

7. The module fluid replenishing device according to claim 1, wherein: The fluid infusion end (11) is a fluid infusion needle made of a flexible material.

8. A fluid infusion system, characterized in that: The invention comprises a module (4) and a module fluid replenishing device according to any one of claims 1 to 7, wherein the module (4) comprises at least one battery cell group (41), the battery cell group (41) comprises a support plate (411) and a plurality of battery cells (412) arranged on the support plate (411), and the positioning structure (3) is detachably connected to the support plate (411), thereby detachably fixing the fluid replenishing end (11) on the module (4).

9. The fluid infusion system according to claim 8, wherein: The supporting plate (411) is provided with a plurality of mounting holes; the positioning structure (3) includes a positioning plate (31); the positioning plate (31) is provided with a plurality of fixing structures (32); the fixing structures (32) include fixing holes (321) and fixing bolts (322); one end of the fixing bolts (322) passes through the fixing holes (321) and is threadedly connected to the mounting holes to fix the positioning plate (31) to the supporting plate (411).

10. The fluid infusion system according to claim 9, wherein: A liquid replenishing port (413) is provided at the side end of each battery cell (412), and the liquid replenishing end (11) is inserted into the liquid replenishing port (413) for liquid replenishment.

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