CN214099737U

CN214099737U - Battery package outgoing line structure and battery package detection system

Info

Publication number: CN214099737U
Application number: CN202023223233.8U
Authority: CN
Inventors: 王宁; 徐庆春; 孙永刚
Original assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Current assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-31
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of the battery, concretely relates to battery package outgoing line structure and battery package detecting system. The battery pack outgoing structure comprises a connecting body, the connecting body is used for being connected with a mounting hole for installing an explosion-proof valve in a sealing mode through the battery pack shell, an outgoing part is arranged in the middle of the connecting body, an outgoing hole used for being communicated with an inner cavity of the shell is formed in the outgoing part, and the outgoing hole is used for allowing the test line in the inner cavity to penetrate out in a sealing mode. When the performance test is carried out on the battery pack, any one of the explosion-proof valves arranged on the battery pack shell is taken down, the battery pack outgoing line structure is arranged at the position, the test line is led out of the shell of the battery pack through the outgoing line hole, and therefore the tightness of the battery pack shell cannot be damaged due to the leading-out of the test line, and the test result can be more accurate.

Description

Battery package outgoing line structure and battery package detection system

Technical Field

The utility model belongs to the technical field of the battery, more specifically say, relate to a battery package outgoing line structure and battery package detecting system.

Background

Before the power battery pack leaves a factory, a collision vibration test is required to detect various performances of the battery pack, such as mechanical impact bearing capacity, structural stability, air tightness of the battery pack and the like, so that whether the performances of the battery pack meet the factory leaving requirements is judged. Generally, when a battery pack is subjected to a collision vibration test, a detection element such as a strain gauge or a sensor needs to be arranged in an inner cavity of a battery pack shell, a test line connected with the strain gauge or the sensor is led out from the inner cavity of the battery pack shell and is connected with monitoring equipment outside the battery pack, and therefore various performance indexes of the battery pack during vibration or impact are monitored through the monitoring equipment.

In the related art, in order to not destroy the integrity of the battery pack case, the test line is usually led out from the joint of the upper case and the lower case of the battery pack case, so that a gap is formed between the upper case and the lower case due to the existence of the test line, thereby destroying the sealing performance of the battery pack case in the test stage, and causing inaccurate test results.

SUMMERY OF THE UTILITY MODEL

The utility model provides a main aim at provides a battery package outlet structure and battery package detecting system to battery package draws out the technical problem that can destroy the shell leakproofness and lead to the inaccuracy of test result from the shell of battery package when testing in solving prior art relevant test line.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a battery package outlet structure, includes connecting body, connecting body be used for with the mounting hole sealing connection that battery package shell supplied the explosion-proof valve installation, connecting body's middle part is provided with outlet portion, outlet portion is provided with the wire hole that is used for being linked together with the inner chamber of battery package shell, the wire hole is used for supplying the test wire of inner chamber to seal and wears out.

In some embodiments, a sealing layer is attached to an inner wall surface of the wire outlet hole, and the sealing layer is used for sealing a gap between the inner wall surface of the wire outlet hole and an outer wall surface of the test wire.

In some embodiments, the sealing layer is an adhesive layer for adhering the outer wall surface of the test wire to the inner wall surface of the outlet hole;

or the sealing layer is an elastic filling layer used for being expanded between the outer wall surface of the test wire and the inner wall surface of the wire outlet hole.

In some embodiments, the diameter of the outlet hole is smaller than the outer diameter of the test wire, and the outlet hole is used for interference connection of the test wire.

In some embodiments, the wire outlet portion is an elastic portion, and the inner wall surface of the wire outlet hole is an elastic wall surface.

In some embodiments, an annular rib is protruded from an inner wall surface of the wire outlet hole, and an end of the annular rib, which is away from the inner wall surface of the wire outlet hole, is used for abutting against the test wire.

In some embodiments, the outlet hole has a first aperture for the end of the test cord connected to the battery pack to pass through and a second aperture for the end of the test cord facing away from the battery pack, and the annular rib is disposed obliquely toward the first aperture.

In some embodiments, a plurality of annular ribs are protruded on the inner wall surface of the wire outlet hole at intervals.

In some embodiments, the wire outlet portion is an elastic portion, the inner wall surface of the wire outlet hole is an elastic wall surface, and the annular rib is an elastic rib integrally formed on the inner wall surface of the wire outlet hole.

In some embodiments, the battery bag outlet structure is an explosion-proof valve for being mounted in the mounting hole, the connecting body is a valve body of the explosion-proof valve, and the outlet is a block formed by blocking a pressure relief channel of the explosion-proof valve.

The utility model provides an above-mentioned one or more technical scheme in the battery package outgoing line structure have one of following technological effect at least: install on the shell of battery package through setting up battery package outlet structure, and because the connecting body of battery package outlet structure can sealing connection in the mounting hole that battery package shell supplied explosion-proof valve installation, thus, test battery package such as collision vibration test, penetrate the wire hole with the required test wire of test, and take off arbitrary one in the explosion-proof valve of installation on the battery package shell, the mounting hole after will wearing to be equipped with the connecting body of test wire again and will test the wire and connect in waiting to detect the position to the explosion-proof valve, alright draw forth the test wire of measuring usefulness from the shell of battery package, be convenient for the test wire is connected with outside test equipment. Therefore, the sealing performance of the battery pack shell cannot be damaged by leading the test wire out of the inner cavity of the shell, so that the accuracy of the test result can be improved; moreover, the battery pack outgoing line structure can be skillfully installed by utilizing the existing structure on the shell, other adaptive connecting structures are not required to be introduced into the battery pack shell, the structural redundancy of the battery pack shell is avoided, and the overall structure of the battery pack is kept unchanged; in addition, the mounting position of the battery pack outlet structure is provided by detaching the explosion-proof valve, and due to the fact that one of the explosion-proof valves is detached, the explosion-proof characteristics of the sealing performance, the pressure relief capacity and the like of other explosion-proof valves can be better verified.

The utility model discloses another technical scheme be: a battery pack detection system comprises the battery pack outgoing line structure.

The utility model provides a battery package detecting system installs on battery package shell through using foretell battery package outgoing line structure to be used for drawing forth the test wire that is connected to the inner chamber of battery package shell when detecting, so, when testing, the test wire draws forth the leakproofness that battery package shell can not destroy the battery package shell, can ensure that the testing result is more accurate, makes the detection data more have guiding meaning.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive effort.

Fig. 1 is a structural view of a battery pack outgoing line structure according to an embodiment of the present invention;

fig. 2 is a bottom view of the outlet structure of the battery pack shown in fig. 1;

FIG. 3 is a partial cut-away view of a battery pack lead structure according to one embodiment;

FIG. 4 is a partial cut-away view of a battery pack lead structure provided in accordance with another embodiment;

fig. 5 is a partial cut-away view of a battery pack outlet structure provided in accordance with yet another embodiment.

Wherein, in the figures, the respective reference numerals:

10-a connection body; 11-a wire outlet part; 12-a wire outlet hole; 121-a first orifice; 122-a second orifice; 13-a sealing layer; 14-annular convex ribs; 20-test line.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

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

In the description herein, references to the description of the term "one embodiment," "some embodiments," "a specific embodiment," "an example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

As shown in fig. 1-5, an embodiment of the utility model provides a battery package outgoing line structure, this battery package outgoing line structure is used for when carrying out each item test to the battery package, will be connected to the test wire 20 of the inner chamber of battery package shell and draw forth from the shell of battery package to these test wires 20 can be connected with the outside check out test set of battery package, specifically, in this embodiment, the test to the battery package mentioned can but not only be limited to for collision vibration test, waterproof test, high temperature resistance test and other necessary materialization capability test etc..

In the present embodiment, as shown in fig. 1 and fig. 2, the above-mentioned outlet structure of the battery pack includes a connecting body 10, and the connecting body 10 is used for connecting with the outer casing of the battery pack and allowing the test wire 20 connected to the inner cavity of the outer casing to pass through. Generally, a mounting hole is required to be arranged on a battery pack to mount an explosion-proof valve, the explosion-proof valve is a pressure relief protection component of the battery pack, and when the pressure in an inner cavity of the battery pack is increased rapidly due to failure of an electric core in the battery pack, the battery pack is subjected to rapid directional pressure relief through the explosion-proof valve, so that the pressure in the inner cavity is reduced, and the explosion of the battery pack is prevented.

In the present embodiment, as shown in fig. 1 and fig. 2, the connecting body 10 is used for being hermetically connected to a mounting hole provided on the outer casing of the battery pack, and the explosion-proof valve is mounted on the mounting hole, that is, when the outlet structure of the battery pack of the present embodiment is mounted on the mounting hole, the connecting body 10 is adapted to block the mounting hole, so as to ensure that the outer casing of the battery pack is in a sealed state. Further, the middle part of the connecting body 10 is provided with a wire outlet part 11, the wire outlet part 11 is provided with a wire outlet hole 12 communicated with the inner cavity of the battery pack shell, and the wire outlet hole 12 is used for allowing the test wire 20 in the inner cavity to pass through in a sealing manner, so that the test wire 20 connected to the inner cavity of the battery pack shell is led out of the shell. And when the test wire 20 penetrates out of the wire outlet hole 12, the wire outlet hole 12 is always sealed, that is, the test wire 20 in the inner cavity of the battery pack shell can be led out of the battery pack shell through the wire outlet hole 12, and when the test wire 20 is led out through the wire outlet hole 12, no gap is formed between the test wire 20 and the wire outlet hole 12, so that the whole sealing effect of the battery pack shell is not influenced by the lead-out of the test wire 20.

The embodiment of the utility model provides a battery package outlet structure, it is installed on the shell of battery package through setting up battery package outlet structure, because the connecting body 10 of battery package outlet structure can sealing connection in the mounting hole that battery package shell supplied explosion-proof valve to install, thus, when carrying out each item test to the battery package, penetrate required test wire 20 of test wire 12 into wire hole 12, and take off arbitrary one in the explosion-proof valve of installation on the battery package shell, install the mounting hole after explosion-proof valve dismantles and connect test wire 20 in waiting to detect the position with connecting body 10 of wearing to be equipped with test wire 20 again, alright draw test wire 20 of usefulness from the shell of battery package, be convenient for test wire 20 is connected with outside test equipment.

Therefore, the sealing performance of the battery pack shell cannot be damaged by leading the test wire 20 out of the inner cavity of the shell, so that the accuracy of a test result can be improved; moreover, the battery pack outgoing line structure can be skillfully installed by utilizing the existing structure on the battery pack shell, other adaptive connecting structures are not required to be introduced into the battery pack shell, the structural redundancy of the battery pack shell cannot occur, and the overall structure of the battery pack remains unchanged; in addition, the mounting position of the battery pack outgoing line structure is provided by dismounting the explosion-proof valve, one of the explosion-proof valves is dismounted, the sealing performance, the pressure relief capacity and other explosion-proof characteristics of other explosion-proof valves can be better verified, and for the battery packs which can use the explosion-proof valves of the same model, the battery packs can share one battery pack outgoing line structure for leading out the test line 20 due to the fact that the battery pack mounting explosion-proof valves are identical in form, and therefore the battery pack outgoing line structure of the embodiment has better universality and practicability.

In the present embodiment, as shown in fig. 1 and 2, the battery outlet structure is an explosion-proof valve for being mounted in a mounting hole, the connecting body 10 is a valve body of the explosion-proof valve, and the outlet portion 11 is a block formed by blocking a pressure release channel of the explosion-proof valve, and specifically, but not limited to, the pressure release channel is blocked by injecting a sealant into the pressure release channel, and the block is formed on the valve body as the outlet portion 11. Like this, the explosion-proof valve that directly uses the battery package reforms transform, can obtain foretell battery package outlet structure, battery package outlet structure is higher with the assembly degree of agreeing with of the shell of battery package (directly valve body and the shell assembly through explosion-proof valve), the production design of battery package outlet structure is simpler, and when reforming into battery package outlet structure with explosion-proof valve, the pressure release channel of shutoff explosion-proof valve forms the blocky body on explosion-proof valve, this blocky body is as the outlet wire portion 11 of battery package outlet structure, thereby make the unable discharge through pressure release channel of the gas in the inner chamber of battery package shell, the leakproofness of the battery package outlet structure itself that the transformation obtained is secure.

It should be noted that, in the related art, an explosion-proof valve for decompressing a battery pack generally includes a valve body for being hermetically connected to a housing of the battery pack, the valve body has a pressure release channel for discharging gas in an inner cavity of the housing of the battery pack, the valve body of the explosion-proof valve is mounted on the housing of the battery pack and seals a mounting hole on the housing, the pressure release channel is communicated with the inner cavity of the housing of the battery pack, and when the internal pressure of the battery pack sharply rises, the gas in the inner cavity can be discharged through the pressure release channel, so as to reduce the pressure to prevent the explosion of the battery pack.

In this embodiment, as shown in fig. 1 and fig. 2, the wire outgoing portion 11 may be provided with one or more wire outgoing holes 12 for allowing one test wire 20 to pass through, or for allowing a plurality of test wires 20 to pass through respectively, and the specific number of the wire outgoing holes 12 may be set according to the number of the test wires 20 required during the test of the battery pack, which is not limited herein. As shown in fig. 1 and 2, the outlet portion 11 is provided with two outlet holes 12 for two test wires 20 to pass through respectively.

Specifically, in the present embodiment, as shown in fig. 3 to 5, the edge of the hole of the wire outlet hole 12 is rounded to avoid forming a sharp corner on the edge of the hole of the wire outlet hole 12 to cut the test wire 20.

The foregoing structure of the battery pack is described in detail with reference to the following specific embodiments:

the first embodiment is as follows:

in this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the outlet structure of the battery pack includes a connecting body 10, the connecting body 10 is used for being connected with a mounting hole provided on an outer shell of the battery pack and used for mounting the explosion-proof valve, an outlet portion 11 is provided in the middle of the connecting body 10, the outlet portion 11 is provided with an outlet hole 12 used for being communicated with an inner cavity of the outer shell, a sealing layer 13 is attached to an inner wall surface of the outlet hole 12, and the sealing layer 13 is used for sealing a gap between an inner wall surface of the outlet hole 12 and an outer wall surface of the test wire 20, so that the test wire 20 can pass through the outlet hole 12 in a sealing manner. In this way, the sealing layer 13 is filled between the inner wall surface of the outlet hole 12 and the outer wall surface of the test wire 20, and the sealing layer 13 seals the gap between the inner wall surface of the outlet hole 12 and the outer wall surface of the test wire 20, thereby sealing the outlet hole 12 and preventing the sealing property of the housing from being damaged by the extraction of the test wire 20.

In this embodiment, as shown in fig. 3, the friction force between the sealing layer 13 and the inner wall surface of the outlet hole 12 and the outer wall surface of the test wire 20 needs to be greater than the pressure generated in the inner cavity when the pressure of the battery pack needs to be relieved, so that the pressure relief characteristic of the explosion-proof valve of the battery pack can be accurately verified.

In some specific embodiments, as shown in fig. 3, the sealing layer 13 is an adhesive layer for adhering the outer wall surface of the test wire 20 to the inner wall surface of the wire outlet hole 12, in the actual operation process, the test wire 20 firstly passes through the wire outlet hole 12, then a sufficient amount of adhesive such as an adhesive is injected into the wire outlet hole 12, and after the adhesive is solidified, the sealing layer 13 can be formed in the wire outlet hole 12, so that the test wire 20 is firmly adhered to the wire outlet hole 12. In this way, the inner wall surface of the outlet hole 12 and the outer wall surface of the test wire 20 are bonded and sealed by the adhesive, and the inner diameter of the outlet hole 12 is designed to be slightly larger than the outer diameter of the maximum wire diameter test wire 20, so that the gap between the outer wall surface and the inner wall surface of the outlet hole 12 can be sealed by the adhesive layer no matter how the wire diameter of the test wire 20 changes.

In some other embodiments, as shown in fig. 3, the sealing layer 13 may be an elastic filling layer, and when the test wire 20 is inserted into the wire outlet hole 12, the elastic filling layer is expanded between the inner wall surface of the wire outlet hole 12 and the outer wall surface of the test wire 20, so as to seal the wire outlet hole 12. In the actual operation process, the test wire 20 firstly passes through the wire outlet hole 12, then the elastic filling layer is extruded and embedded into the wire outlet hole 12, and the elastic filling layer expands and seals a gap between the outer wall surface of the test wire 20 and the inner wall surface of the wire outlet hole 12. Therefore, during design, the inner diameter of the wire outlet hole 12 is slightly larger than the outer diameter of the maximum wire diameter test wire 20, and then a plurality of elastic ring layers with different sizes are designed, so that no matter how the wire diameter of the test wire 20 changes, the adaptive elastic ring layers can be provided for blocking a gap between the outer wall surface of the test wire 20 and the inner wall surface of the wire outlet hole 12, and the battery outgoing line structure of the embodiment also has certain universality aiming at the test wires 20 with different wire diameters.

Specifically, in the present embodiment, the elastic filling layer may be, but is not limited to, a rubber layer, a silicone layer, or the like.

The rest of this embodiment is the same as the previous embodiment, and the unexplained features in this embodiment are explained by using the previous embodiment, which is not described again here.

Example two:

in this embodiment, as shown in fig. 1, fig. 2 and fig. 4, the outlet structure of the battery pack includes a connecting body 10, the connecting body 10 is used for being connected with a mounting hole provided on an outer shell of the battery pack for mounting the explosion-proof valve in a sealing manner, an outlet portion 11 is provided in the middle of the connecting body 10, the outlet portion 11 is provided with an outlet hole 12 for communicating with an inner cavity of the outer shell, the aperture of the outlet hole 12 is smaller than the outer diameter of the test wire 20, and the outlet hole 12 is used for being connected with the test wire 20 in an interference manner, so that the test wire 20 can pass through the outlet hole 12 in a sealing manner. So, set up the wire hole 12 and be connected with test wire 20 interference fit, when test wire 20 passed through wire hole 12, there was not the clearance between test wire 20 and the wire hole 12, wire hole 12 is the shutoff of test wire 20 to avoid the leakproofness of shell to be destroyed because of drawing out test wire 20.

In this embodiment, the wire outlet portion 11 is an elastic portion, and the inner wall surface of the wire outlet hole 12 is an elastic wall surface, so that when the test wire 20 penetrates into the wire outlet hole 12, the test wire 20 presses the inner wall surface of the wire outlet hole 12, and the elastic inner wall surface will generate a certain pressing deformation, so that the test wire 20 can more smoothly penetrate through the wire outlet hole 12, and abrasion to the test wire 20 during threading is avoided.

Example three:

in this embodiment, as shown in fig. 1, fig. 2 and fig. 5, the outlet structure of the battery pack includes a connecting body 10, the connecting body 10 is used for being hermetically connected to a mounting hole provided on an outer shell of the battery pack and used for mounting the explosion-proof valve, a wire outlet portion 11 is provided in the middle of the connecting body 10, the wire outlet portion 11 is provided with a wire outlet hole 12 used for being communicated with an inner cavity of the outer shell, an annular protruding rib 14 is convexly provided on an inner wall surface of the wire outlet hole 12, an end portion of the annular protruding rib 14, which is away from the inner wall surface of the wire outlet hole 12, is used for abutting against the test wire 20, the annular protruding rib 14 forms an isolation layer between the inner wall surface of the wire outlet hole 12 and an outer wall surface of the test wire 20, the isolation layer isolates the inner cavity of the outer shell from being communicated with an external. In this way, the provision of the annular bead 14 also serves the purpose of sealing the gap between the inner wall surface of the outlet hole 12 and the outer wall surface of the test wire 20.

In this embodiment, as shown in fig. 5, the outlet hole 12 has a first hole 121 and a second hole 122, wherein the first hole 121 is used for the end of the test wire 20 connected with the battery pack to pass through, and the second hole 122 is used for the end of the test wire 20 away from the battery pack to pass through, when the test wire 20 is passed through, the end of the test wire 20 connected with the battery pack is inserted into the second hole 122 of the outlet hole 12 and passes out of the first hole 121 along the direction indicated by the arrow F in fig. 5.

Further, the annular rib 14 is disposed obliquely toward the first aperture 121, so that the oblique direction of the annular rib 14 is the same as the moving direction of the test wire 20 during penetration, and the annular rib 14 can guide the penetration of the test wire 20; when the battery package outlet structure of this embodiment is installed on the shell of the battery package, the inclination direction of the annular convex rib 14 is opposite to the pressure relief direction of the battery package, so that the gas in the shell of the battery package can act on the thrust moving towards the second orifice 122 for the annular convex rib 14, thereby increasing the abutting force of the end part of the inner wall surface of the annular convex rib 14 deviating from the outlet hole 12 acting on the test wire 20, and enabling the test wire 20 to be clamped in the outlet hole 12 by the annular convex rib 14 more firmly.

In this embodiment, as shown in fig. 5, a plurality of annular ribs 14 are protruded from the inner wall surface of the outlet hole 12 at intervals, and the plurality of annular ribs 14 form a plurality of isolation layers between the inner wall surface of the outlet hole 12 and the outer wall surface of the test wire 20, so that the outlet hole 12 can be better sealed.

In this embodiment, as shown in fig. 5, the wire outlet portion 11 is an elastic portion, the inner wall surface of the wire outlet hole 12 is an elastic wall surface, and the annular rib 14 is an elastic rib integrally formed on the inner wall surface of the wire outlet hole 12, so that the annular rib 14 does not wear the test wire 20, and the annular rib 14 and the wire outlet portion 11 are integrally formed, which is simple in forming process and convenient to manufacture.

Another embodiment of the present invention further provides a battery pack detection system (not shown), specifically, the detection system includes a detection element, a test line, a detection device, and the aforementioned battery pack outgoing line structure. The detection element is used for being mounted in an inner cavity of the battery pack shell so as to collect performance data of each part in the inner cavity in the test process, and the detection element can be but is not limited to a strain gauge, a sensor and the like; the testing equipment is arranged outside the battery pack shell and used for collecting various performance data fed back by the detection element, processing the various performance data and outputting the processed performance data to a detection operator; the test line is used for connecting the detection element and the detection equipment so as to send performance data information and the like acquired by the detection element to the test equipment; the battery pack outgoing line structure is used for leading out a test line connected to an inner cavity of a battery pack shell from the battery pack shell when various tests are performed on a battery pack, so that the test line can be connected with detection equipment.

So, the battery package detecting system of this embodiment is installed on the battery package shell through using foretell battery package outgoing line structure to be used for drawing forth the test wire that is connected to the inner chamber of battery package shell when detecting, so, when testing, the seal that the battery package shell can not destroy the battery package shell is drawn forth to the test wire, can ensure that the testing result is more accurate, makes the detection data more have guiding meaning.

Finally, the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a battery package outlet structure, its characterized in that, includes connecting body, connecting body is used for supplying the mounting hole sealing connection of explosion-proof valve installation with battery package shell, connecting body's middle part is provided with out line portion, out line portion be provided with be used for with the wire hole that the inner chamber of battery package shell is linked together, the wire hole is used for supplying test line in the inner chamber is sealed wears out.

2. The battery package outgoing line structure of claim 1, wherein a sealing layer is attached to an inner wall surface of the outgoing line hole, and the sealing layer is used for sealing a gap between an inner wall surface of the outgoing line hole and an outer wall surface of the test line.

3. The battery package lead-out wire structure according to claim 2, wherein the sealing layer is an adhesive layer for adhering an outer wall surface of the test wire to an inner wall surface of the lead-out hole;

or the sealing layer is an elastic filling layer which is used for expanding between the outer wall surface of the test wire and the inner wall surface of the wire outlet hole.

4. The battery package outgoing line structure of claim 1, wherein the diameter of the outgoing line hole is smaller than the outer diameter of the test line, and the outgoing line hole is used for interference connection with the test line.

5. The battery package outgoing line structure of claim 4, wherein the outgoing line part is an elastic part, and an inner wall surface of the outgoing line hole is an elastic wall surface.

6. The battery enveloping structure of claim 1, wherein an annular rib is protruded from an inner wall surface of the wire outlet hole, and an end of the annular rib departing from the inner wall surface of the wire outlet hole is used for abutting against the test wire.

7. The battery pack outlet structure of claim 6, wherein the outlet hole has a first opening for the end of the test wire connected to the battery pack to pass through and a second opening for the end of the test wire opposite to the battery pack to pass through, and the annular rib is disposed obliquely to the first opening.

8. The battery outlet wire structure according to claim 7, wherein a plurality of annular ribs are protruded at intervals on an inner wall surface of the outlet hole.

9. The battery envelope lead-out structure of claim 7, wherein the lead-out part is an elastic part, the inner wall surface of the lead-out hole is an elastic wall surface, and the annular rib is an elastic rib integrally formed on the inner wall surface of the lead-out hole.

10. The battery outgoing line structure according to any one of claims 1 to 9, wherein the battery outgoing line structure is an explosion-proof valve for being mounted in the mounting hole, the connection body is a valve body of the explosion-proof valve, and the outgoing line part is a block body formed by blocking a pressure relief channel of the explosion-proof valve.

11. A battery pack inspection system comprising the battery pack outgoing line structure of any one of claims 1 to 10.