CN206161256U - Lithium ion battery package liquid cooling system weeping detection device - Google Patents
Lithium ion battery package liquid cooling system weeping detection device Download PDFInfo
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- CN206161256U CN206161256U CN201621113653.1U CN201621113653U CN206161256U CN 206161256 U CN206161256 U CN 206161256U CN 201621113653 U CN201621113653 U CN 201621113653U CN 206161256 U CN206161256 U CN 206161256U
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- liquid cooling
- cooling system
- weeping
- lithium ion
- ion battery
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Abstract
The utility model provides a lithium ion battery package liquid cooling system weeping detection device, detect sensor and fixed bed including the weeping, two wire connection that the weeping detected the one end of sensor are connected with the terminating resistance, and two wire connection of the other end are connected with battery management system, and the weeping detects the sensor and locates in the fixed bed, battery package liquid cooling system includes that the level is responsible for and the horizontal branch pipe, the level be responsible for with the horizontal branch pipe between be connected through quick connector, the following of quick connector kneck is located to the fixed bed. The utility model discloses form the branch road that detects sensor and terminal resistor parallel with with the weeping when utilizing the weeping, whether the principle that has changed whole loop resistance value confirms lithium ion battery package liquid cooling system weeping, and the weeping detects that to set up the updraft type bubble above the sensor cotton, has increased the quick diffusion of weeping, emergence that battery that the setting of downdraught bubble cotton simultaneously can avoid the weeping to cause wrapped short circuit matter.
Description
Technical field
This utility model belongs to lithium ion battery packet technology field, more particularly, to a kind of lithium ion battery bag liquid cooling system
Apparatus for testing weeping.
Background technology
The heat management system that at present lithium ion battery of electric automobile bag is mainly radiated using air blast cooling or natural cooling
Based on, part lithium ion battery of electric automobile bag adopts liquid cooling heat management system.But existing liquid cooling heat management
System does not do coolant leak detection scheme, or detects the pressure of battery bag intake-outlet only with pressure leakage detection sensor
Power, it is impossible to detecting system seepage, micro- leakage failure.
The content of the invention
In view of this, this utility model is directed to a kind of lithium ion battery bag liquid cooling system apparatus for testing weeping, can
Accurately, seepage, the micro- leakage failure that in time detection lithium ion battery bag liquid cooling system occurs, it is ensured that lithium ion battery bag uses process
It is safer.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of lithium ion battery bag liquid cooling system apparatus for testing weeping, including leakage detection sensor and fixed layer；
Two terminals of one end of the leakage detection sensor are connected with terminal resistance, two wires of the other end
Joint is connected with battery management system, and the leakage detection sensor is in the fixed layer；
Battery bag liquid cooling system includes that level is responsible for and horizontal branch pipe, leads between the level supervisor and the horizontal branch pipe
Cross quick connector connection, the side wall that one end of the quick connector is responsible for the level connects, the quick connector it is another
End connects with one end of the horizontal branch pipe, and the fixed layer is below the quick connector seam.Work as lithium-ion electric
At the bag liquid cooling system quick connector of pond during no leakage, battery management system detection is leakage detection sensor and terminal resistance
Total resistance, at lithium ion battery bag liquid cooling system quick connector during leakage, leakage detection sensor is formed with terminal resistance
Series arm and omission timber body form shunt circuit, battery management system detection is leakage detection sensor and terminal resistance
Total resistance of the parallel circuit that this branch road is formed with leakage branch road, the resistance value after parallel connection, can be less than series arm
Resistance value.Battery management system is provided with threshold value, and the resistance value of leakage detection sensor and terminal resistance is more than threshold during non-leakage
Value, the shunt circuit that the branch road that leakage detection sensor and terminal resistance place branch road are formed with leakage during leakage is collectively constituted
Resistance value is less than threshold value, and the resistance value detected using battery management system is compared with the size of threshold value, detects whether leakage.
Further, the fixed layer includes successively from top to bottom upper water absorption sponge, flexible soft board and lower water absorption sponge, institute
State leakage detection sensor to be fixed on the flexible soft board, the upper water absorption sponge is pasted onto the leakage detection sensor
Top.Upper water absorption sponge has and quickly absorb water and rapid proliferating, effectively increases leakage and contacts with leakage detection sensor
Area, improves detection efficiency, and leakage detection sensor is fixed on flexible soft board, prevents due to pullling impact accuracy of detection,
The certain thickness lower water absorption sponge of flexible soft board lower section laying, can store a certain amount of leakage, such as on-call maintenance, can avoid because
The generation of the battery bag short circuit accident that leakage is caused.
Further, the fixed layer is provided with hole located at the top of level supervisor on the fixed layer, described fast slotting
One end of joint passes through the hole.
Further, the leakage detection sensor winds quick connector arrangement where having quick connector.
Further, located at the lower section of level supervisor, the leakage detection sensor is in fixed layer for the fixed layer
Interior extension.
Further, the thickness of the upper water absorption sponge is 1～2mm.
Relative to prior art, lithium ion battery bag liquid cooling system apparatus for testing weeping described in the utility model have with
Lower advantage：
Lithium ion battery bag liquid cooling system apparatus for testing weeping described in the utility model, forms and leakage using during leakage
Detection sensor and terminal resistance branch road in parallel, so as to the principle for changing bulk loop resistance value determines lithium ion battery bag
Whether is liquid cooling system leakage, along with the setting of upper water absorption sponge above leakage detection sensor, increased the quick expansion of leakage
Dissipate, also can detect when leaking liquid amount is little, increased the susceptiveness and detection efficiency of detection, with water absorption sponge at present
A certain amount of leakage is stored, the generation of the battery bag short circuit accident that leakage causes can be avoided.
Description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain this utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the main view section view of the lithium ion battery bag liquid cooling system apparatus for testing weeping described in this utility model embodiment
Figure；
Fig. 2 is the top view of the lithium ion battery bag liquid cooling system apparatus for testing weeping described in this utility model embodiment；
Fig. 3 is the leakage detection of the lithium ion battery bag liquid cooling system apparatus for testing weeping described in this utility model embodiment
The sectional view of sensor.
Description of reference numerals：
1- leakage detection sensors；2- terminal resistances；3- battery management systems；4- quick connectors；The upper water absorption sponges of 5-；6-
Flexible soft board；Water absorption sponge under 7-；8- levels are responsible for.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in this utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicates
Or the device or element of hint indication with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " 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 ", " 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, can be by concrete condition understanding
State concrete meaning of the term in this utility model.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing this utility model in detail.
A kind of lithium ion battery bag liquid cooling system apparatus for testing weeping, including leakage detection sensor 1 and fixed layer；
Two terminals of one end of the leakage detection sensor 1 are connected with terminal resistance 2, and two of the other end lead
Wire terminal is connected with battery management system 3, and the leakage detection sensor 1 is in the fixed layer；
Battery bag liquid cooling system includes level supervisor 8 and horizontal branch pipe, between the level supervisor 8 and the horizontal branch pipe
Connected by quick connector 4, one end of the quick connector 4 connects with the side wall of level supervisor 8, the quick connector 4
The other end connect with one end of the horizontal branch pipe, the fixed layer is below the seam of the quick connector 4.
Above-mentioned fixed layer includes successively from top to bottom upper water absorption sponge 5, flexible soft board 6 and lower water absorption sponge 7, the leakage
Detection sensor 1 is fixed on the flexible soft board 6, and the upper water absorption sponge 5 is pasted onto the leakage detection sensor 1
Top.
Above-mentioned fixed layer is provided with hole located at the top of level supervisor 8 on the fixed layer, the quick connector 4
One end passes through the hole.
Above-mentioned leakage detection sensor 1 winds quick connector 4 where having quick connector 4 and arranges.
Above-mentioned fixed layer extends located at the lower section of level supervisor 8, the leakage detection sensor 1 in fixed layer.
The thickness of above-mentioned upper water absorption sponge 5 is 1～2mm.
As shown in Figures 1 to 3, when lithium ion battery bag liquid cooling system is without leakage, what battery management system 3 was detected is
Leakage detection sensor 1 and terminal resistance 2 form the resistance value of branch road, when lithium ion battery bag liquid cooling system leakage,
Mainly the seam leakage of quick connector 4 when, liquid is quickly absorbed by upper water absorption sponge 5, because leakage detection sensor 1 sets
Below the upper water absorption sponge 5, the branch road that liquid is constituted with original leakage detection sensor 1 and terminal resistance 2 is defined simultaneously
Connection, what battery management system 3 was now detected is that the branch road that leakage detection sensor 1 is formed with terminal resistance 2 is formed with leakage
The shunt circuit that branch road is collectively constituted, the resistance value of shunt circuit is less than independent leakage detection sensor 1 and the electricity of terminal resistance 2
Resistance.Battery management system 3 is provided with threshold value, and the resistance value of leakage detection sensor 1 and terminal resistance 2 is more than threshold during non-leakage
Value, the shunt circuit that the branch road that leakage detection sensor 1 and the place branch road of terminal resistance 2 are formed with leakage during leakage is collectively constituted
Resistance value be less than threshold value, using battery management system 3 detect resistance value compare with the size of threshold value, can Sensitive Detection be
No leakage.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
Claims (6)
1. a kind of lithium ion battery bag liquid cooling system apparatus for testing weeping, it is characterised in that：Including leakage detection sensor (1) and
Fixed layer；
Two terminals of one end of the leakage detection sensor (1) are connected with terminal resistance (2), and two of the other end lead
Wire terminal is connected with battery management system (3), and the leakage detection sensor (1) is in the fixed layer；
Battery bag liquid cooling system includes that level is responsible for (8) and horizontal branch pipe, between level supervisor (8) and the horizontal branch pipe
Connected by quick connector (4), one end of the quick connector (4) be responsible for the side wall of (8) with the level and connect, it is described slotting soon
The other end of joint (4) is connected with one end of the horizontal branch pipe, and the fixed layer is located at the quick connector (4) seam
Below.
2. lithium ion battery bag liquid cooling system apparatus for testing weeping according to claim 1, it is characterised in that：The fixation
Layer includes successively from top to bottom upper water absorption sponge (5), flexible soft board (6) and lower water absorption sponge (7), the leakage detection sensor
(1) it is fixed on the flexible soft board (6), the upper water absorption sponge (5) is pasted onto the upper of the leakage detection sensor (1)
Side.
3. lithium ion battery bag liquid cooling system apparatus for testing weeping according to claim 2, it is characterised in that：The fixation
Layer is responsible for the top of (8) located at the level, is provided with hole on the fixed layer, and one end of the quick connector (4) is through described
Hole.
4. lithium ion battery bag liquid cooling system apparatus for testing weeping according to claim 3, it is characterised in that：The leakage
Detection sensor (1) winds quick connector (4) arrangement where having quick connector (4).
5. lithium ion battery bag liquid cooling system apparatus for testing weeping according to claim 2, it is characterised in that：The fixation
Layer is responsible for the lower section of (8) located at the level, and the leakage detection sensor (1) extends in fixed layer.
6. lithium ion battery bag liquid cooling system apparatus for testing weeping according to claim 2, it is characterised in that：The upper suction
The thickness of blister cotton (5) is 1～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113653.1U CN206161256U (en) | 2016-10-11 | 2016-10-11 | Lithium ion battery package liquid cooling system weeping detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113653.1U CN206161256U (en) | 2016-10-11 | 2016-10-11 | Lithium ion battery package liquid cooling system weeping detection device |
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| Publication Number | Publication Date |
|---|---|
| CN206161256U true CN206161256U (en) | 2017-05-10 |
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ID=58653773
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621113653.1U Active CN206161256U (en) | 2016-10-11 | 2016-10-11 | Lithium ion battery package liquid cooling system weeping detection device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732339A (en) * | 2017-10-27 | 2018-02-23 | 吉利汽车研究院（宁波）有限公司 | Detecting system and its detection method, vehicle for power cell of vehicle bag |
| CN108318827A (en) * | 2018-03-07 | 2018-07-24 | 华霆（合肥）动力技术有限公司 | Apparatus for testing weeping, system and electric vehicle |
| CN108448182A (en) * | 2018-04-20 | 2018-08-24 | 华霆（合肥）动力技术有限公司 | Method for detecting leakage and device |
| CN109580135A (en) * | 2018-12-06 | 2019-04-05 | 英业达科技有限公司 | Leakage detection plate and leakage monitor system |
| CN109813507A (en) * | 2019-01-30 | 2019-05-28 | 无锡格林司通自动化设备有限公司 | A kind of flexible-packed battery leak test method and mechanism |
| CN109990954A (en) * | 2017-12-29 | 2019-07-09 | 华为技术有限公司 | A kind of leak hunting method, leakage detection apparatus and electronic equipment |
| CN110243552A (en) * | 2018-03-09 | 2019-09-17 | 深圳光峰科技股份有限公司 | Liquid-leakage preventing system and cooling system |
| TWI684752B (en) * | 2018-12-18 | 2020-02-11 | 英業達股份有限公司 | Leak detection board and liquid leakage monitoring system |
| CN111337201A (en) * | 2020-04-26 | 2020-06-26 | 江苏塔菲尔动力系统有限公司 | Liquid leakage detection device, battery module and battery pack thereof |
| CN112242573A (en) * | 2020-09-04 | 2021-01-19 | 东风时代(武汉)电池系统有限公司 | Battery package weeping fault detection system and car |
| CN112432737A (en) * | 2020-12-01 | 2021-03-02 | 中国航天空气动力技术研究院 | Multi-scale branch leakage monitoring device for chip-level liquid cooling heat dissipation system |
| CN113945332A (en) * | 2021-10-15 | 2022-01-18 | 华为技术有限公司 | Liquid leakage detection device and power supply |
-
2016
- 2016-10-11 CN CN201621113653.1U patent/CN206161256U/en active Active
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732339A (en) * | 2017-10-27 | 2018-02-23 | 吉利汽车研究院（宁波）有限公司 | Detecting system and its detection method, vehicle for power cell of vehicle bag |
| CN107732339B (en) * | 2017-10-27 | 2020-04-24 | 吉利汽车研究院（宁波）有限公司 | Detection system for vehicle power battery pack, detection method thereof and vehicle |
| CN109990954B (en) * | 2017-12-29 | 2021-02-26 | 华为技术有限公司 | Leak detection method, leak detection device and electronic equipment |
| CN109990954A (en) * | 2017-12-29 | 2019-07-09 | 华为技术有限公司 | A kind of leak hunting method, leakage detection apparatus and electronic equipment |
| CN108318827A (en) * | 2018-03-07 | 2018-07-24 | 华霆（合肥）动力技术有限公司 | Apparatus for testing weeping, system and electric vehicle |
| CN108318827B (en) * | 2018-03-07 | 2023-11-28 | 华霆（合肥）动力技术有限公司 | Liquid leakage detection device, system and electric vehicle |
| CN110243552A (en) * | 2018-03-09 | 2019-09-17 | 深圳光峰科技股份有限公司 | Liquid-leakage preventing system and cooling system |
| CN108448182A (en) * | 2018-04-20 | 2018-08-24 | 华霆（合肥）动力技术有限公司 | Method for detecting leakage and device |
| CN109580135A (en) * | 2018-12-06 | 2019-04-05 | 英业达科技有限公司 | Leakage detection plate and leakage monitor system |
| TWI684752B (en) * | 2018-12-18 | 2020-02-11 | 英業達股份有限公司 | Leak detection board and liquid leakage monitoring system |
| CN109813507A (en) * | 2019-01-30 | 2019-05-28 | 无锡格林司通自动化设备有限公司 | A kind of flexible-packed battery leak test method and mechanism |
| CN109813507B (en) * | 2019-01-30 | 2024-06-11 | 无锡格林司通自动化设备股份有限公司 | Soft package battery leakage inspection method and mechanism |
| WO2021218642A1 (en) * | 2020-04-26 | 2021-11-04 | 东莞塔菲尔新能源科技有限公司 | Liquid leakage detection device for battery module and battery pack |
| CN111337201A (en) * | 2020-04-26 | 2020-06-26 | 江苏塔菲尔动力系统有限公司 | Liquid leakage detection device, battery module and battery pack thereof |
| CN112242573A (en) * | 2020-09-04 | 2021-01-19 | 东风时代(武汉)电池系统有限公司 | Battery package weeping fault detection system and car |
| CN112242573B (en) * | 2020-09-04 | 2022-05-17 | 东风时代(武汉)电池系统有限公司 | Battery package weeping fault detection system and car |
| CN112432737A (en) * | 2020-12-01 | 2021-03-02 | 中国航天空气动力技术研究院 | Multi-scale branch leakage monitoring device for chip-level liquid cooling heat dissipation system |
| CN113945332A (en) * | 2021-10-15 | 2022-01-18 | 华为技术有限公司 | Liquid leakage detection device and power supply |
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