CN206148481U - Power cell pack - Google Patents

Abstract

The utility model discloses a power cell pack, include: battery module casing, cable, a plurality of sealing washer and clamp plate are formed with the cable lead -out groove on the battery module casing, the first end of cable is established in battery module casing, and the second of cable end passes the cable lead -out groove and stretches out outside the battery module casing, a plurality of sealed snares are established on the cable and are lain in the cable lead -out groove, are equipped with the arch on every sealing washer, and the arch is formed by partly opposite side surface protrusion to the sealing washer of a side surface of sealing washer, the bag carriage passes the cable, and the bag carriage compresses tightly a plurality of sealing washers in the cable lead -out groove with the clearance between the internal perisporium of the outer peripheral edges of sealed sealing washer and cable lead -out groove and seals up the inner peripheral edge of sealing washer and the clearance between the cable. According to the utility model discloses a power cell pack, can be conveniently with battery module or power cell pack's cable draw forth and the leakproofness good.

Description

Electrokinetic cell bag

Technical field

This utility model is related to power battery technology field, more particularly, to a kind of electrokinetic cell bag.

Background technology

In correlation technique, during high current charge-discharge, inside battery can gather substantial amounts of heat to electrokinetic cell bag, if Heat is controlled by not in time, and the temperature of battery modules drastically can be raised.Especially high capacity cell module, its energy density is more Greatly, thermal discharge is higher, is easily caused thermal runaway so that battery occur release gas, smolder, leakage the problems such as, in some instances it may even be possible to meeting Cause cells burst, blast etc..In order to effectively realize the temperature control to battery modules, generally in battery modules or battery bag Irrigate insulating oil to play a part of insulating radiation.However, the sealing effectiveness of electrokinetic cell bag is bad, easy oil leak.

Utility model content

This utility model is intended at least solve one of technical problem present in prior art.For this purpose, of the present utility model One purpose is to propose a kind of electrokinetic cell bag, the good airproof performance of the electrokinetic cell bag.

According to electrokinetic cell bag of the present utility model, including：Battery modules housing, is formed with the battery modules housing Cable lead-out groove；Cable, the first end of the cable are located in the battery modules housing, and the second end of the cable passes through institute State cable lead-out groove to stretch out outside the battery modules housing；Multiple sealing rings, multiple sealing rings are set on the cable And be located in the cable lead-out groove, each described sealing ring is provided with projection, the raised side table by the sealing ring The part in face is protruded to be formed to another side surface of the sealing ring；Pressing plate, the pressing plate pass through the cable, and the pressure Plate is pressed on multiple sealing rings in the cable lead-out groove and is drawn with the cable with the outer peripheral edge for sealing the sealing ring Gap between the gap gone out between the internal perisporium of groove and the inner peripheral and the cable that seal the sealing ring.

According to electrokinetic cell bag of the present utility model, by multiple sealing rings are arranged in cable lead-out groove, and by pressure Plate is pressed in cable lead-out groove multiple sealing rings between the outer peripheral edge of sealing sealing ring and the internal perisporium of cable lead-out groove Gap and seal sealing ring inner peripheral and cable between gap, such that it is able to easily by battery modules or electrokinetic cell The cable of bag is drawn and good airproof performance, and insulating oil that can be effectively prevented in battery modules housing etc. is let out from cable lead-out groove Dew.

In addition, can also have following additional technical characteristic according to electrokinetic cell bag of the present utility model：

According to some embodiments of the present utility model, the sealing ring includes：Multiple first sealing rings and multiple second close The axially staggered arrangement of seal, multiple first sealing rings and multiple second sealing rings along the cable, described first The projection of described raised and described second sealing ring of sealing ring is toward each other.

Specifically, described convexing to form is circumferentially extending annular protrusion along the cable.

According to some embodiments of the present utility model, further include：Pressing plate for sealing pad, the pressing plate for sealing pad include edge The first pressing plate for sealing section and the second pressing plate for sealing section that the axial direction of the cable is sequentially connected, the first pressing plate for sealing section are located at Between the endoporus of the pressing plate and the cable, the second pressing plate for sealing section is located in multiple sealing rings and the pressing plate Nearest one is and the pressing plate between.

Specifically, one end away from the second pressing plate for sealing section of the first pressing plate for sealing section is provided with pressing plate convex tendon, The pressing plate convex tendon is located at the side away from multiple sealing rings of the pressing plate.

According to some embodiments of the present utility model, further include：Lead-out groove sealing gasket, the lead-out groove sealing gasket bag Include the first lead-out groove seal section and the second lead-out groove seal section being sequentially connected along the axial direction of the cable, first lead-out groove Seal section is located between the endoporus coordinated with the cable of the cable lead-out groove and the cable, and second lead-out groove is close Envelope section is located at farthest with the pressing plate in multiple sealing rings one and the inwall of the cable lead-out groove between.

Specifically, one end away from the second lead-out groove seal section of the first lead-out groove seal section is provided with lead-out groove Convex tendon, the lead-out groove convex tendon are located at the side away from the pressing plate of the cable lead-out groove.

Further, backing plate is provided between the lead-out groove sealing gasket and the cable lead-out groove.

Alternatively, the backing plate is Al-alloy parts.

According to some embodiments of the present utility model, the pressing plate is threaded io the battery modules housing.

Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below In become obvious, or by it is of the present utility model practice recognize.

Description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage will from the description with reference to accompanying drawings below to embodiment Become obvious and easy to understand, wherein：

Fig. 1 is the axonometric chart of the electrokinetic cell bag according to this utility model embodiment；

Fig. 2 is the battery modules housing of the electrokinetic cell bag according to this utility model embodiment, controller housing, battery mould The axonometric chart of group and liquid cooling apparatus；

Fig. 3 is that battery modules housing, controller housing and the liquid of the electrokinetic cell bag according to this utility model embodiment are cold The axonometric chart of device；

Fig. 4 is the axonometric chart of the liquid cooling apparatus according to this utility model embodiment；

Fig. 5 is another axonometric chart of the liquid cooling apparatus according to this utility model embodiment；

Fig. 6 is the top view of the liquid cooling apparatus according to this utility model embodiment；

Fig. 7 is the rearview of the liquid cooling apparatus according to this utility model embodiment；

Fig. 8 is the axonometric chart of the liquid cooling apparatus according to this utility model another embodiment；

Fig. 9 is another axonometric chart of the liquid cooling apparatus according to this utility model another embodiment；

Figure 10 is the top view of the liquid cooling apparatus according to this utility model another embodiment；

Figure 11 is the rearview of the liquid cooling apparatus according to this utility model another embodiment；

Figure 12 is the schematic diagram of the cable lead-out groove of the electrokinetic cell bag according to this utility model embodiment；

Figure 13 is according to the cable of this utility model embodiment, sealing ring, pressing plate, pressing plate for sealing pad, lead-out groove sealing gasket With the explosive view of backing plate；

Figure 14 is the upward view of the cable lead-out groove of the electrokinetic cell bag according to this utility model embodiment；

Figure 15 is the front view of the cable lead-out groove of the electrokinetic cell bag according to this utility model embodiment；

Figure 16 is the sectional view of the line A-A along Figure 15；

Figure 17 is the axonometric chart that the conductive pole of the electrokinetic cell bag according to this utility model embodiment installs body；

Figure 18 is the front view that the conductive pole of the electrokinetic cell bag according to this utility model embodiment installs body；

Figure 19 is the sectional view of the line B-B along Figure 18.

Reference：

Electrokinetic cell bag 100,

Battery modules housing 1, oil-in 11, oil-out 12, share common sidewalls 13, cable lead-out groove 131, controller housing 14, the first sealing plate 161, the second sealing plate 162, fixture 1621,

Battery modules 2,

Return duct 3,

Liquid cooling apparatus 4, the first supervisor 41, inlet 411, the second supervisor 42, liquid outlet 421, the cold part 43 of liquid, flat tube 431, Liquid cooling plate 432, the first transfer tube 44, the second transfer tube 45,

Cable 51, sealing ring 52, the first sealing ring 521, the second sealing ring 522, raised 523, sealed groove 524, pressing plate 53, pressing plate for sealing pad 54, the first pressing plate for sealing section 541, pressing plate convex tendon 5411, the second pressing plate for sealing section 542, lead-out groove sealing gasket 55, the first lead-out groove seal section 551, lead-out groove convex tendon 5511, the second lead-out groove seal section 552, backing plate 56, threaded fastener 57,

Conductive pole installs body 61, conductive pole 611, insulating part 612, sealing member 613, the 3rd sealing ring 6131, dowel 6132, sealed muscle 6133, casting die 62.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, is only used for explaining this utility model, and it is not intended that to of the present utility model Limit.

In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and It is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define The feature of " first ", " second " can be expressed or implicitly include one or more this feature.Of the present utility model In description, unless otherwise stated, " multiple " are meant that two or more.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in this utility model.

The electrokinetic cell bag 100 according to this utility model embodiment is described below with reference to Fig. 1-Figure 19.

As shown in figure 1, according to the electrokinetic cell bag 100 of this utility model embodiment, including：Battery modules housing 1, cable 51st, multiple sealing rings 52 and pressing plate 53.Wherein, cable 51 can be the signal cable of electrokinetic cell bag 100 or battery modules 2. The battery modules 2 of electrokinetic cell bag 100 can be accommodated in battery modules housing 1.

With reference to Fig. 2, Fig. 3 and with reference to Figure 12, Figure 14 and Figure 16, cable lead-out groove 131 on battery modules housing 1, is formed with, Specifically, cable lead-out groove 131 can be formed on a side wall (for example, the left side wall in Fig. 2) of battery modules housing 1, The first end (for example, the right-hand member in Figure 12) of cable 51 is located in battery modules housing 1, the second end (for example, Figure 12 of cable 51 In left end) stretch out outside battery modules housing 1 through cable lead-out groove 131.With reference to Fig. 2 and Fig. 3, cable lead-out groove 131 cuts Face can be formed as circular, but not limited to this.Cable 51 can be drawn from the center of cable lead-out groove 131.Thus, it is possible to convenient Ground is drawn by cable 51.

With reference to Figure 13 and Figure 16, multiple sealing rings 52 are set on cable 51 and are located in cable lead-out groove 131, and each is close Seal 52 be provided with raised 523, raised 523 from sealing ring 52 a side surface another side surface from a part to sealing ring 52 Protrusion is formed.Pressing plate 53 passes through cable 51, and pressing plate 53 multiple sealing rings 52 are pressed on it is close to seal in cable lead-out groove 131 The inner peripheral and cable 51 in gap and sealing sealing ring 52 between the outer peripheral edge of seal 52 and the internal perisporium of cable lead-out groove 131 Between gap.Thus, it is possible to improve the sealing of cable lead-out groove 131, prevent insulating oil from letting out from cable lead-out groove 131 Dew.

Wherein, raised 523 can protrude from a part for the left-hand face of sealing ring 52 to the right lateral surface of sealing ring 52 Formed, or protruded to the left-hand face of sealing ring 52 from a part for the right lateral surface of sealing ring 52 and formed.Each sealing ring Projection 523 on 52 can be one or more.

The section of sealing ring 52 can be formed as circular, and the center of sealing ring 52 is provided with 51 punched out of cable, in order to incite somebody to action Multiple sealing rings 52 are set on cable 51, improve the sealing of cable lead-out groove 131.Pressing plate 53 can be formed as drawing with cable Go out the plate-like structure that the section of groove 131 matches, such as circular plate-like structure.In the center of pressing plate 53 is formed as Hole, cable 51 can be passed through from the endoporus of pressing plate 53.Thus, it is easy to pressing plate 53 that multiple sealing rings 52 are pressed on cable lead-out groove Gap and sealing sealing ring 52 between 131 interior outer peripheral edges and the internal perisporium of cable lead-out groove 131 to seal sealing ring 52 Gap between inner peripheral and cable 51, such that it is able to easily the cable of battery modules 2 or electrokinetic cell bag 100 is drawn and Good airproof performance.

Wherein, the outer peripheral edge of sealing ring 52 refers to the end face of the radial outside of sealing ring 52, the inner peripheral of sealing ring 52 Refer to the internal perisporium of 51 punched out of cable.

According to the electrokinetic cell bag 100 of this utility model embodiment, by arranging multiple sealings in cable lead-out groove 131 Circle 52, and multiple sealing rings 52 are pressed in cable lead-out groove 131 by pressing plate 53 with seal sealing ring 52 outer peripheral edge and Gap between the internal perisporium of cable lead-out groove 131 and the gap between the inner peripheral and cable 51 of sealing sealing ring 52, so as to Easily the cable of battery modules 2 or electrokinetic cell bag 100 can be drawn and good airproof performance, battery mould can be effectively prevented Insulating oil in group housing 1 etc. is revealed from cable lead-out groove 131.

According to some embodiments of the present utility model, electrokinetic cell bag 100 can also include controller housing 14, controller Housing 14 can be connected with battery modules housing 1.For example, referring to Fig. 2 and Fig. 3, controller housing 14 can be with battery modules shell Body 1 shares a side wall, that is to say, that controller housing 14 and battery modules housing 1 can have share common sidewalls 13.Controller Housing 14 can be used for placing the parts such as controller.

Alternatively, controller housing 14 is integrally formed with battery modules housing 1, and process is simple is easy to process.

According to some embodiments of the present utility model, sealing ring 52 includes：Multiple first sealing rings 521 and multiple second close Seal 522, multiple first sealing rings 521 and multiple second sealing rings 522 are along axial direction (for example, the left and right in Figure 16 of cable 51 Direction) interlaced arrangement, the projection 523 of the first sealing ring 521 and the second sealing ring 522 projection 523 it is relative to each other.Namely Say, the projection 523 of the first sealing ring 521 extends towards the second sealing ring 522, the projection 523 of the second sealing ring 522 is towards first Sealing ring 521 extends.

For example, referring to Figure 16, in the left to right direction, the first sealing ring 521 and the second sealing ring 522 can be by One sealing ring 521, the second sealing ring 522, the first sealing ring 521, the order arrangement of the second sealing ring 522 ....First sealing 521 (for example, the sealing ring of leftmost side projection 523 52) and a 522 (examples of the second sealing ring being adjacent in Figure 16 of circle Such as, in Figure 16 from left to right second sealing ring projection 523 52) toward each other, the projection 523 of above-mentioned first sealing ring 521 and upper State 523 sealed groove formed below 524 of projection of the second sealing ring 522, and the projection 523 of above-mentioned second sealing ring 522 with Another the first sealing ring 521 being adjacent (for example, is formed between the 3rd sealing ring projection 523 52) in Figure 16 from left to right There is sealed groove 524.

For example, during pressing plate 53 compresses sealing ring 52, the projection 523 and the second sealing ring of the first sealing ring 521 522 523 part of projection be squeezed after respectively along the first sealing ring 521 and the circumferentially extending of the second sealing ring 522 so that it is close The inner peripheral of seal 52 is contacted with the outer peripheral face of cable 51, the internal perisporium of the outer peripheral edge of sealing ring 52 and cable lead-out groove 131 connects Touch and realize sealing.Additionally, raised 523 in stretching process, meeting residual fraction air in sealed groove 524, air stay in sealing The sealed elastic of sealing ring 52 can be kept while forming sealing gland in groove 524.Thus, it is effectively improved the close of sealing ring 52 Envelope effect.

Alternatively, raised 523 can be formed as the circumferentially extending annular protrusion 523 along cable 51.Simple structure, processing It is convenient.

According to some embodiments of the present utility model, with reference to Figure 13 and Figure 16, electrokinetic cell bag 100 is further included：Pressure Plate sealing gasket 54, pressing plate for sealing pad 54 include the first pressing plate for sealing section 54 being sequentially connected vertically and the second pressing plate for sealing section 542, the first pressing plate for sealing section 54 is located between the endoporus of pressing plate 53 and cable 51, and the second pressing plate for sealing section 542 is located at multiple close In seal 52 one nearest with pressing plate 53 and pressing plate 53 between.For example, in the example of Figure 16, the second pressing plate for sealing section 542 The right-hand member of the first pressing plate for sealing section 54 is connected to, the first pressing plate for sealing section 54 is stretched in the endoporus of pressing plate 53, the second pressing plate for sealing Section 542 is located between pressing plate 53 and a sealing ring 52 nearest with pressing plate 53.Thus, further increasing cable lead-out groove 131 sealing.

Specifically, one end (for example, the left side in Figure 16 away from the second pressing plate for sealing section 542 of the first pressing plate for sealing section 54 End) pressing plate convex tendon 5411 is provided with, pressing plate convex tendon 5411 is located at the side away from multiple sealing rings 52 of pressing plate 53.Pressing plate convex tendon 5411 directions for being directed away from cable 51 extend, and pressing plate convex tendon 5411 is only supported with the outer surface of pressing plate 53.Pressing plate convex tendon 5411 can To be formed as annular convex rib, but not limited to this.Thus, it is possible to prevent the first pressing plate for sealing section 54 sliding from the endoporus of pressing plate 53 Go out so that the position of pressing plate for sealing pad 54 is stable, so as to ensure that the sealing effectiveness of cable lead-out groove 131.

Alternatively, pressing plate for sealing pad 54 is formed in one part, thereby simplify processing technique, reduces processing cost

According to some embodiments of the present utility model, electrokinetic cell bag 100 is further included：Lead-out groove sealing gasket 55, draws Go out the first lead-out groove seal section 551 and the second lead-out groove seal section 552 that groove sealing gasket 55 includes being sequentially connected vertically, first Lead-out groove seal section 551 is located between the endoporus coordinated with cable 51 of cable lead-out groove 131 and cable 51, and the second lead-out groove is close Envelope section 552 is located at farthest with pressing plate 53 in multiple sealing rings 52 one and the inwall of cable lead-out groove 131 between.For example, exist In the example of Figure 16, the second lead-out groove sealing gasket 55 is located at one end (for example, Figure 16 away from pressing plate 53 of cable lead-out groove 131 In right-hand member), wherein the first lead-out groove seal section 551 is connected to the right-hand member of the second lead-out groove seal section 552, the first lead-out groove is close Envelope section 551 is located between the endoporus coordinated with cable 51 of cable lead-out groove 131 and cable 51, the second lead-out groove seal section 552 It is located at pressing plate 53 between a farthest sealing ring 52 and the inwall of cable lead-out groove 131.Thus, further carry The high sealing of cable lead-out groove 131.

Specifically, one end (for example, the Tu16Zhong away from the second lead-out groove seal section 552 of the first lead-out groove seal section 551 Right-hand member) be provided with lead-out groove convex tendon 5511, lead-out groove convex tendon 5511 is located at the side away from pressing plate 53 of cable lead-out groove 131. Lead-out groove convex tendon 5511 can be directed away from the direction of cable 51 and extend, the right lateral surface of pressing plate convex tendon 5411 and share common sidewalls 13 Only support.Lead-out groove convex tendon 5511 can be formed as annular convex rib, but not limited to this.Thus, it is possible to prevent the first lead-out groove from sealing Section 551 is skidded off from cable lead-out groove 131 so that the position of lead-out groove sealing gasket 55 is stable, so as to ensure that cable lead-out groove 131 sealing effectiveness.

Alternatively, lead-out groove sealing gasket 55 is formed in one part, thereby simplify processing technique, reduces processing cost.

Further, backing plate 56 is provided between lead-out groove sealing gasket 55 and cable lead-out groove 131.Thus, further carry The high sealing of cable lead-out groove 131.

Alternatively, backing plate 56 is Al-alloy parts, but not limited to this.

According to some embodiments of the present utility model, pressing plate 53 is threaded io battery modules housing 1.Specifically, pressing plate Screw hole, such as screw of threaded fastener 57 etc. can be provided with can be connected through screw hole with battery modules housing 1 on 53, with Pressing plate 53 is connected on battery modules housing 1, simple structure, easy accessibility and reliability are high.For example, in the example of Figure 12 In, pressing plate 53 is connected on battery modules housing 1 by three threaded fasteners 57.

Specifically, oil-in 11 is formed with battery modules housing 1 and the top of battery modules housing 1 is formed with oil-out 12, insulating oil can be filled into battery modules housing 1 from oil-in 11.Multiple battery modules are provided with battery modules housing 1 2.With reference to Fig. 1 and with reference to Fig. 2 and Fig. 3, battery modules housing 1 can be formed as rectangular shape, and multiple battery modules 2 can edge First direction (for example, the left and right directions in Fig. 1) is arranged side by side in battery modules housing 1, or along the width of housing 1 (for example, the fore-and-aft direction in Fig. 1) is disposed side by side in housing 1.It is understood that multiple battery modules 2 could be arranged to One layer, it is also possible to be set to multilamellar, when multiple battery modules 2 are set to multilamellar, battery modules 2 can be laminated in the vertical direction Arrange.The arrangement concrete arrangement of battery modules 2, can according to the actually used occasion adjusted design of electrokinetic cell bag 100, This utility model is not especially limited to this.

Specifically, with reference to Fig. 2 and Fig. 3, it is shared with battery modules housing 1 that oil-in 11 can be located at controller housing 14 On side wall 13.Alternatively, oil-in 11 can be formed as the form of one section of inlet tube, and inlet tube passes through share common sidewalls 13 and battery Module casing 1 is connected, and fills insulating oil will pass through oil-in 11 into battery modules housing 1.

Each battery modules 2 includes battery case and at least one cell being located in battery container, cell It is immersed in insulating oil, thus, it is possible to the thermal capacitance for passing through insulating oil itself absorbs the heat that cell is produced in use Amount, realizes hot cushioning effect, carries out cooling radiating to battery modules 2.Additionally, cell is immersed in insulating oil, can be with So that the battery temperature of electrokinetic cell bag 100 is consistent and can cause the inwall directly contact of insulating oil and battery modules 2, from And the radiating surface of battery modules 2 is increased, radiating effect is effectively improved, and then improves the charge and discharge of electrokinetic cell bag 100 Electric multiplying power, extends the service life of electrokinetic cell bag 100.

Specifically, the bottom of battery case is provided with through hole and top is provided with least one steam vent.Wherein, battery case top The steam vent in portion can be by the discharge of effective boosting battery inside the shell gas so that insulating oil is more readily flowed in battery case, Accelerate the filling speed of insulating oil.The through hole of the bottom of battery case can improve the filling speed of insulating oil, to insulate Oil is quickly full of between battery modules 2.Alternatively, battery case is working of plastics.The cost of material is low and processing side for working of plastics Just.

Here, it should be noted that described " at least one " in the application refer to one or more than one.This Outward, in description of the present utility model, term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " axial direction ", " radial direction ", " week To " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description this reality With new and simplified description, rather than indicate or imply indication device or element must have specific orientation, with specific Azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.

With reference to Fig. 1, return duct 3 is located at outside battery modules housing 1, return duct 3 be connected to oil-out 12 and oil-in 11 it Between.Specifically, return duct 3 can be located at the top of battery modules housing 1.Thus, it is easy to insulating oil in oil-in 11 and fuel-displaced Flow back between mouth 12, consequently facilitating distributing and the insulation in battery modules housing 1 being caused the heat that insulating oil absorbs The temperature of oil is uniform, improves the radiating effect of electrokinetic cell bag 100.

Alternatively, the position of oil-out 12 is higher than oil-in 11.With reference to Fig. 2 and Fig. 3, oil-in 11 can neighbouring housing 1 Diapire arrange, oil-out 12 can be located at the top of housing 1.Thus, insulating oil can enter from the bottom of battery modules housing 1 Enter in battery modules housing 1, efficiently reduce the gas in housing 1, reduce bubble, improve electrokinetic cell bag 100 Safety and reliability.

According to some embodiments of the present utility model, pass through oil-in 11 between return duct 3 and battery modules housing 1 and go out Hydraulic fluid port 12 constitutes way to cycle oil, and way to cycle oil is provided with oil pump (not shown).Thus, it is possible to realize battery modules by oil pump Insulating oil convection current in housing 1, accelerates the radiating of electrokinetic cell bag 100, so as to further increasing electrokinetic cell bag 100 Radiating effect.Additionally, oil pump can control aerofluxuss, reduce the gas in insulating oil, so as to further reduce battery modules Gas in housing 1, improves the safety and reliability of electrokinetic cell bag 100.

Further, controller housing 14 is provided with the first sealing plate 161, and battery modules housing 1 is provided with the second sealing Plate 162.Wherein, the first sealing plate 161 is used to seal controller housing 14, and the second sealing plate 162 can be used for sealed cell mould Group housing 1.Thus, it is possible to the sealing of electrokinetic cell bag 100 is improved, so as to improve the degree of protection of electrokinetic cell bag 100 And safety so that the degree of protection of electrokinetic cell bag 100 meets the requirement of IP67.

Alternatively, return duct 3 is transparent tube or translucent tube, but not limited to this.Thus, it is easy to user to pass through return duct 3 Insulating oil filling situation in observation battery modules housing 1, prevents insulating oil producing bubbles inside from remaining.

Wherein, return duct 3 can be located at the top of the second sealing plate 162, can be provided with least one on the second sealing plate 162 Individual fixture 1621, is formed with return duct fixing hole on fixture 1621, return duct 3 passes through return duct fixing hole, will can flow back Pipe 3 is fixed on the second sealing plate 162, and simple structure is easy to assembly, and is effectively improved the structure of the second sealing plate 162 Intensity.

Specifically, fixture 1621 can be one or more.For example, in the example of fig. 1, fixture 1621 is two It is individual, width (for example, fore-and-aft direction in Fig. 1) interval setting of two fixtures 1621 along the second sealing plate 162, each Fixture 1621 can extend along the length direction (for example, the left and right directions in Fig. 1) of the second sealing plate 162.

Alternatively, insulating oil can be for SOI oil etc., but not limited to this.The cooling performance and insulating properties of insulation silicone oil Preferably, it is and with low cost, thus, cooling effect and insulating properties are effectively improved, cost is reduced.Additionally, insulation silicone oil With anti-flammability, the spontaneous combustion risk in extreme circumstances of battery modules 2 can be eliminated, further improve electrokinetic cell bag 100 Degree of protection and safety.

According to some embodiments of the present utility model, with reference to Fig. 3, in battery modules housing 1, liquid cooling apparatus 4 are additionally provided with.Liquid Device for cooling 4 is located at the bottom of battery modules 2.Thus, it is possible to pass through the temperature that liquid cooling apparatus 4 are effectively reduced insulating oil, so as to Further increasing the radiating effect of electrokinetic cell bag 100.

Specifically, in 100 course of work of electrokinetic cell bag, the heat transfer that battery modules 2 are produced is to insulating oil, battery mould The liquid cooling apparatus 4 of 2 bottoms of group can reduce the temperature of the insulating oil of 1 bottom of battery modules housing, 1 top temperature of battery modules housing The higher insulating oil of degree is back at oil-in 11 by return duct 3, is entered battery modules housing 1 from oil-in 11 and is passed through liquid Device for cooling 4 is lowered the temperature.Thus, it is possible to accelerate the radiating of insulating oil so that the temperature of the insulating oil in battery modules housing 1 is equal It is even, so as to improve the radiating effect of electrokinetic cell bag 100, extend service life and the discharge and recharge times of electrokinetic cell bag 100 Rate.

Specifically, reference picture 4- Figure 11, liquid cooling apparatus 4 include that the first supervisor 41, second is responsible for 42 and the cold part 43 of multiple liquid, First supervisor 41 and second supervisor 42 in the first direction (for example, the left and right directions in Fig. 4) extend, first supervisor 41 have into Liquid mouth 411 and the second supervisor 42 have a liquid outlet 421, the cold part of multiple liquid 43 be connected in parallel on the first supervisor 41 and the second supervisor 42 it Between, the cold part 43 of multiple liquid is corresponding with multiple battery modules 2 cooling down to multiple battery modules 2 respectively.Thus, by will be many The cold part of individual liquid 43 is connected in parallel between the first supervisor 41 and the second supervisor 42 so that the cold part of each liquid 43 can be to corresponding electricity Pond module 2 is cooled down so that rear class cooling is not cooled down by prime not to be affected, it is ensured that the cooling effect phase of the cold part of each liquid 43 Together, the cooling effect of liquid cooling apparatus 4 is improve, so as to improve the radiating effect of electrokinetic cell bag 100, electrokinetic cell is reduced The temperature of bag 100.

Specifically, with reference to Fig. 4, inlet 411 is formed in one end (for example, the left end in Fig. 4) of the first supervisor 41, and first The other end (for example, the right-hand member in Fig. 4) closing of supervisor 41.Liquid outlet 421 is formed in one end (for example, Fig. 4 of the second supervisor 42 In left end), second supervisor 42 the other end (for example, the right-hand member in Fig. 4) closing.The cold part 43 of liquid has first end and second End, the first end (for example, the left end in Fig. 4) of the cold part of liquid 43 can be connected with the first supervisor 41, the second end (example of the cold part of liquid 43 Such as, the right-hand member in Fig. 4) can be connected with the second supervisor 42.It is cold that coolant can enter liquid by the inlet 411 of the first supervisor 41 Then the first end of part 43, coolant flowing in the cold part of liquid 43 flow into the second supervisor 42 by the second end of the cold part of liquid 43, finally Flow out from the liquid outlet 421 of the second supervisor 42, complete a cooling circulation.

According to some embodiments of the present utility model, the first supervisor 41 and the second supervisor 42 are arranged side by side and are respectively positioned on multiple The same side of the second direction vertical with first direction of battery modules 2.Wherein, first direction can be the right and left in Fig. 4 To second direction can be the fore-and-aft direction in Fig. 4.For example, in the example of fig. 4, the first supervisor 41 and the second supervisor 42 exist It is arranged side by side on above-below direction and the first supervisor 41 is positioned at the top of the second supervisor 42, the first supervisor 41 and the second 42 equal positions of supervisor In the rear side of multiple battery modules 2.Thus, the structure of liquid cooling apparatus 4 can be caused compacter, reduces accounting for for liquid cooling apparatus 4 Use space.

Specifically, connected by the first transfer tube 44 between the first end of the cold part of each liquid 43 and the first supervisor 41, each Connected by the second transfer tube 45 between second end of the cold part of liquid 43 and the second supervisor 42.First transfer tube 44 and the second transfer tube 45 bend pipes respectively arranged along the vertical direction.Thus, it is possible to pass through the first transfer tube 44 and the second transfer tube 45 easily will The cold part of liquid 43 is connected on the first supervisor 41 and the second supervisor 42, and simple structure is easy to assembly.

Alternatively, the first supervisor 41 and the second supervisor 42 are spaced apart in the vertical direction and arrange.Thus, it is possible to reduce first Heat transfer between supervisor 41 and the second supervisor 42, improves the cooling effect of liquid cooling apparatus 4.

Reference Fig. 4, Fig. 7, Fig. 8 and Figure 11, the first transfer tube 44 and the second transfer tube 45 can be formed generally as U-tube. First transfer tube 44 and the second transfer tube 45 can be formed as pipe.Wherein, the first end of the first transfer tube 44 is (for example, in Fig. 4 Left end) can be connected with the first end of the cold part of liquid 43, second end (for example, the right-hand member in Fig. 4) of the first transfer tube 44 can be with It is connected with the first supervisor 41.The first end (for example, the left end in Fig. 4) of the second transfer tube 45 can be connected with the second supervisor 42, Second end (for example, the right-hand member in Fig. 4) of the second transfer tube 45 can be connected with the second end of the cold part of liquid 43.Thus, it is possible to logical Cross the first transfer tube 44 and the second transfer tube 45 is easily connected to liquid cold part 43 on first supervisor 41 and the second supervisor 42, letter Assembly technology has been changed, has improve efficiency of assembling, and efficiently reduced the flow resistance of coolant, cooling has been driven so as to reduce The load of the transfer tube of liquid flowing, reduces the use cost of electrokinetic cell bag 100.

According to some embodiments of the present utility model, reference picture 8- Figure 11, the cold part of each liquid 43 include the flat of bending extension Pipe 431.For example, the cold part of liquid 43 can be bent according to the arrangement situation of cell or battery modules 2 by pipe so that circle Pipe forms the shape matched with battery modules 2, then flattens to form flat tube 431 by the pipe after bending.Thus, it is possible to ensure liquid The cooling effect of cold part 43 and taking up room for the cold part of liquid 43 can be reduced, and simple structure, it is easy to process.

Alternatively, flat tube 431 can be bent into M shapes, U-shaped or S-shaped, but not limited to this, as long as so that the bending of flat tube 431 Shape is matched with battery modules 2, and this utility model is not especially limited to this.

Further, the cold part of each liquid 43 also includes the liquid on a side surface of the adjacent cells module 2 for being located at flat tube 431 Cold drawing 432.With reference to Fig. 2 and combine Fig. 3, the cold part of multiple liquid 43 is respectively provided at the bottom of multiple battery modules 2.Reference picture 8- is schemed 11, liquid cooling plate 432 is located on the uper side surface of flat tube 431.Specifically, liquid cooling plate 432 can be formed as rectangular tabular Structure.Thus, it is possible to effectively increase the contact area of the cold part 43 of liquid and battery modules 2, so as to increase area of dissipation, improve Radiating effect, reduces the temperature of battery modules 2, improves the energy storage speed of electrokinetic cell bag 100.

According to other embodiments of the present utility model, the cold part of each liquid 43 can also be formed as tabular, and each liquid is cold The liquid cold runner that two ends are connected with the first supervisor 41 and the second supervisor 42 is limited in part 43.Thus, equally effectively can increase The contact area of the cold part 43 of big liquid and battery modules 2, increasing heat radiation area improve the radiating effect of electrokinetic cell bag 100.

It is, of course, understood that in some embodiments of the present utility model, the cold part of each liquid 43 only can also include Flat tube 431 (as Figure 4-Figure 7), thus, again may be by liquid cold part 43 and battery modules 2 is cooled down.

Specifically, the cold part of multiple liquid 43 is respectively provided at the bottom of multiple battery modules 2.Thus, it is possible to ensure battery The radiating of module 2 and it is easy to assembly, take up room it is little.

According to some embodiments of the present utility model, with reference to Fig. 2 and Fig. 3 and with reference to Figure 17-Figure 19, electrokinetic cell bag 100 Also include that conductive pole installs body 61 and casting die 62.It is formed with side (for example, the left side in Fig. 2) to open on battery modules housing 1 The mounting groove opened.Specifically, mounting groove can be formed in share common sidewalls 13, and mounting groove is located at share common sidewalls 13 away from cable One end (for example, the front end in Fig. 2) of lead-out groove 131.Conductive pole to be installed and be equipped with spaced multiple conductions on body 61 Post 611, the outer peripheral face of each conductive pole 611 are provided with insulating part 612, and conductive pole installs the axle along conductive pole 611 of body 61 To be respectively provided on two sides with sealing member 613, sealing member 613 is arranged around conductive pole 611, and casting die 62 is located at above-mentioned the one of mounting groove Side and by conductive pole installation body 61 be pressed in mounting groove.Alternatively, conductive pole 611 can be red copper bar etc..Red copper bar Good conductivity and it is difficult to get rusty.

Specifically, reference picture 17- Figure 19, conductive pole install the plate-like structure that body 61 can be formed as circular, conductive Post is installed body 61 and is provided with multiple conductive pole fairleads, and multiple conductive pole fairleads can be evenly distributed on conductive pole and install this On body 61, conductive pole fairlead can be formed as circular through hole, and conductive pole 611 stretches out mounting groove through conductive pole fairlead. Insulating part 612 can be wrapped on the outer peripheral face of conductive pole 611, and insulating part 612 can be located at the middle part of conductive pole 611, insulation Mounting groove is stretched out respectively in the two ends (for example, the left end and right-hand member in Figure 19) of part 612.That is, the axial two ends of insulating part The corresponding surface that conductive pole installs body 61 is stretched out respectively.Thus, it is possible to easily the power of electrokinetic cell bag 100 is drawn, And the insulating properties of conductive pole 611 is improve, so as to improve the safety of electrokinetic cell bag 100 and being adapted to conductive pole 611 High-current output.

Here, it should be noted that described " middle part " in the application refers to sensu lato middle part.Conductive pole 611 Middle part refers to the position between the axial two ends of conductive pole 611.

The axial direction of each conductive pole 611 is respectively arranged at two ends with a sealing member 613, and sealing member 613 can be annular, seal Part 613 is arranged around conductive pole 611, and for example, sealing member 613 is arranged around conductive pole fairlead.Casting die 62 is located at mounting groove Above-mentioned side (i.e. left side) and conductive pole installation body 61 is pressed in mounting groove, body is installed with conductive pole by casting die 62 Extruding between 61, realizes effectively sealing.Thus, it is possible to effectively improve the sealing that conductive pole installs body 61, electricity is prevented Insulating oil in pond module casing 1 is installed from conductive pole and reveal at body 61.

According to some embodiments of the present utility model, sealing member 613 includes multiple 3rd sealing rings 6131, and each is the 3rd close Seal 6131 is around a conductive pole 611.Thus, it is possible to ensure the sealing of conductive pole fairlead and effectively can reduce close The materials of sealing 613, reduce material cost.

Alternatively, the 3rd sealing ring 6131 can be for rubber ring etc., but not limited to this.

Further, sealing member 613 also includes dowel 6132, and dowel 6132 is connected to multiple 3rd sealing rings 6131 Between.Thus, it is possible to passing through dowel 6132 is connected as an entirety by multiple 3rd sealing rings 6131, in assembling process, Directly can be assembled to sealing member 613 overall on conductive pole installation body 61, simplify assembly technology, improve assembling effect Rate.

Specifically, conductive pole is installed and is respectively formed with for holding on the two sides of the axial direction along conductive pole 611 of body 61 Receive the holding tank of sealing member 613.Thus, it is easy to sealing member 613 is attached on conductive pole installation body 61, and causes sealing member 613 position is stable, improves the efficiency of assembling and sealing effectiveness of sealing member 613.

Further, the side for installing 61 center of body away from conductive pole of sealing member 613 is provided with the footpath of conductive pole 611 Spaced multiple sealed muscles 6133 on (for example, the above-below direction in Figure 19).For example, referring to Figure 19, sealing member 613 The side that 61 center of body is installed away from conductive pole is provided with radially spaced two sealed muscles in conductive pole 611 6133.Thus, it is possible to passing through sealed muscle 6133 effectively improves the sealing effectiveness and simple structure of sealing member 613, easy to process.

Alternatively, sealing member 613 is formed in one part.Thus, processing technique is simplified, reduces processing cost.

Alternatively, conductive pole 611 is connected with 612 sintering curing of insulating part.Thus, insulating part 612 can bear copper bar lock Tight moment of torsion, realizes insulation and sealing and the process is simple of conductive pole fairlead, and processing cost is low.

Alternatively, conductive pole installs body 61 for Al-alloy parts, not limited to this.

According to some embodiments of the present utility model, insulating part 612 is glass workpiece or ceramic member.For example, conductive pole 611 can To be connected with glass workpiece or ceramic member sintering curing.Wherein the cost of material is low and good insulating for glass workpiece and ceramic member, thus, Significantly reduce the material cost of insulating part 612 and improve the insulating properties of conductive pole 611.

According to some embodiments of the present utility model, conductive pole 611 can be four, but not limited to this.Four conductive poles 611 can include two positive terminals and two negative terminals.Thus, it is possible to be effectively reduced the voltage of conductive pole 611, improve The safety of electrokinetic cell.

It is, of course, understood that conductive pole 611 can also be two, six etc., this utility model is not made to this specifically Limit.

According to the electrokinetic cell bag 100 of this utility model embodiment, thermal diffusivity is good, and can easily by electrokinetic cell bag 100 power is drawn.Additionally, the insulated enclosure of electrokinetic cell bag 100 is good, safe.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", " example ", " specific example ", or the description of " some examples " etc. mean specific features, the knot described with reference to the embodiment or example Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or Person's feature can be combined in one or more any embodiment or example in an appropriate manner.

While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that： Various changes, modification, replacement can be carried out to these embodiments in the case of without departing from principle of the present utility model and objective And modification, scope of the present utility model limited by claim and its equivalent.

Claims (10)

1. a kind of electrokinetic cell bag, it is characterised in that include：

Battery modules housing, is formed with cable lead-out groove on the battery modules housing；

Cable, the first end of the cable are located in the battery modules housing, and the second end of the cable passes through the cable Lead-out groove is stretched out outside the battery modules housing；

Multiple sealing rings, multiple sealing rings are set on the cable and are located in the cable lead-out groove, described in each Sealing ring is provided with projection, the opposite side table of the part of a raised side surface from the sealing ring to the sealing ring Protrude to be formed in face；

Pressing plate, the pressing plate pass through the cable, and multiple sealing rings are pressed on the cable lead-out groove by the pressing plate Interior gap and the sealing sealing ring between the sealing outer peripheral edge of sealing ring and the internal perisporium of the cable lead-out groove Inner peripheral and the cable between gap.

2. electrokinetic cell bag according to claim 1, it is characterised in that the sealing ring includes：

Multiple first sealing rings and multiple second sealing rings, multiple first sealing rings and multiple second sealing rings are along institute State the axially staggered arrangement of cable, the described raised phase each other of described raised and described second sealing ring of first sealing ring It is right.

3. electrokinetic cell bag according to claim 1, it is characterised in that described convexing to form is circumference along the cable The annular protrusion of extension.

4. electrokinetic cell bag according to claim 1, it is characterised in that further include：

Pressing plate for sealing pad, the pressing plate for sealing pad include the first pressing plate for sealing section being sequentially connected along the axial direction of the cable and Two pressing plate for sealing sections, the first pressing plate for sealing section are located between the endoporus of the pressing plate and the cable, second pressing plate Seal section is located at nearest with the pressing plate in multiple sealing rings one and the pressing plate between.

5. electrokinetic cell bag according to claim 4, it is characterised in that the first pressing plate for sealing section away from described One end of two pressing plate for sealing sections is provided with pressing plate convex tendon, the pressing plate convex tendon be located at the pressing plate away from multiple sealing rings Side.

6. electrokinetic cell bag according to claim 1, it is characterised in that further include：

Lead-out groove sealing gasket, the lead-out groove sealing gasket include the first lead-out groove sealing being sequentially connected along the axial direction of the cable Section and the second lead-out groove seal section, what the first lead-out groove seal section was located at the cable lead-out groove are coordinated with the cable Between endoporus and the cable, the second lead-out groove seal section is located at farthest with the pressing plate one in multiple sealing rings Between the inwall of individual and described cable lead-out groove.

7. electrokinetic cell bag according to claim 6, it is characterised in that the first lead-out groove seal section away from described One end of second lead-out groove seal section is provided with lead-out groove convex tendon, and the lead-out groove convex tendon is positioned at the cable lead-out groove away from institute State the side of pressing plate.

8. electrokinetic cell bag according to claim 6, it is characterised in that the lead-out groove sealing gasket and the cable are drawn Backing plate is provided between groove.

9. electrokinetic cell bag according to claim 8, it is characterised in that the backing plate is Al-alloy parts.

10. electrokinetic cell bag according to claim 1, it is characterised in that the pressing plate is threaded io the battery mould Group housing.