CN109444208A - A kind of detection of lithium battery pack condensation and drying device, system and method - Google Patents
A kind of detection of lithium battery pack condensation and drying device, system and method Download PDFInfo
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- CN109444208A CN109444208A CN201811434894.XA CN201811434894A CN109444208A CN 109444208 A CN109444208 A CN 109444208A CN 201811434894 A CN201811434894 A CN 201811434894A CN 109444208 A CN109444208 A CN 109444208A
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- 238000001514 detection method Methods 0.000 title claims abstract description 112
- 238000001035 drying Methods 0.000 title claims abstract description 94
- 238000009833 condensation Methods 0.000 title claims abstract description 61
- 230000005494 condensation Effects 0.000 title claims abstract description 61
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 50
- 239000000919 ceramic Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000009413 insulation Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/04—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of melting point; of freezing point; of softening point
- G01N25/06—Analysis by measuring change of freezing point
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
It include: current-collecting device, detection device, BMU, BCU mainboard and drying device the present invention relates to power battery technology field more particularly to a kind of detection of lithium battery pack condensation and drying device, system and method, the device；Wherein, current-collecting device setting is square on detection means, drips on detection means after liquid is converged；Detection device, BMU, BCU mainboard and drying device are sequentially connected；Detection device is used to the detection data of acquisition being transmitted to BCU mainboard by BMU；BCU mainboard 4 is used to start drying device when received detection data is less than preset threshold.The embodiment of the present invention provides a kind of detection of lithium battery pack condensation and drying device, the water droplet agglomerated in battery pack is dropped in detection device using current-collecting device, after detection data is transferred to BCU mainboard progress logic judgment and processing by BMU, it opens drying device to evaporate the condensation generated inside battery pack, can effectively prevent the case where battery pack causes vehicle to be unable to run because of insulation fault.
Description
Technical field
The present invention relates to power battery technology field more particularly to a kind of detection of lithium battery pack condensation and drying device, it is
System and method.
Background technique
National standard battery system reaches IP67 grade at present, but when the water vapor in air of the place of operation of battery system
Content is big, and battery system long-play, which will lead to, dew condensation phenomenon occurs inside battery pack, so insulation fault occur causes vehicle
Situation out of service.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of lithium battery pack condensation detection
And drying device, system and method, it can effectively prevent the case where battery pack causes vehicle to be unable to run because of insulation fault.
The technical scheme to solve the above technical problems is that a kind of lithium battery pack condensation detection and drying device,
It include: current-collecting device, detection device, BMU, BCU mainboard and drying device, wherein
The current-collecting device is arranged above the detection device, and drop is in the detection device after liquid is converged；
The detection device, the BMU, the BCU mainboard and the drying device are sequentially connected；
The detection device, for the detection data of acquisition to be transmitted to the BCU mainboard by the BMU；
The BCU mainboard, for starting the drying device when the received detection data is less than preset threshold.
The beneficial effects of the present invention are: lithium battery pack condensation detection provided by the invention and drying device use current-collecting device
The water droplet agglomerated in battery pack is dropped in detection device, detection data by BMU be transferred to BCU mainboard carry out logic judgment and
After processing, opens drying device and evaporate the condensation generated inside battery pack, can effectively prevent battery pack because of insulation fault
The case where causing vehicle to be unable to run.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the shape of the current-collecting device is infundibulate, and the drying device includes mould group heating sheet and/or pottery
Porcelain heating sheet.
Beneficial effect using above-mentioned further scheme is: using funnel shaped current-collecting device, is conducive to the collection of liquid
And drip to detection device, in addition, being integrated with a variety of driers in lithium battery pack condensation provided by the invention detection and drying device
Part.
Further, the detection device is liquid sensor, and the thickness range of the liquid sensor is in 200~400 μ
m。
Beneficial effect using above-mentioned further scheme is: using the sensor of light and thin type, operability is stronger.
The another technical solution that the present invention solves above-mentioned technical problem is as follows: a kind of lithium battery pack condensation detection and dry
System, comprising: the lithium battery pack condensation detection as described in the examples of battery pack and such as any of the above-described and drying device, the lithium
The detection of battery pack condensation and drying device are located inside the battery pack.
The beneficial effects of the present invention are: lithium battery pack condensation detection provided by the invention and drying system use current-collecting device
The water droplet agglomerated in battery pack is dropped in detection device, detection data by BMU be transferred to BCU mainboard carry out logic judgment and
After processing, opens drying device and evaporate the condensation generated inside battery pack, can effectively prevent battery pack because of insulation fault
The case where causing vehicle to be unable to run.In addition, can restore test mode after the liquid water in detection device is dry, realize
Repeated measurement.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the lithium battery pack condensation detection and drying device are detachably mounted to battery pack ontology bottom
On the spandrel girder in portion, battery pack ontology described in the current-collecting device face.
Beneficial effect using above-mentioned further scheme is: the detection of lithium battery pack condensation and drying device pass through removably
Mode is fixed on the spandrel girder of battery pack body bottom portion, and operability is stronger.
Further, the lithium battery pack condensation detection and drying device are fixed on by bolt and nut or hinged mode
On the spandrel girder of the battery pack body bottom portion.
The another technical solution that the present invention solves above-mentioned technical problem is as follows: a kind of lithium battery pack condensation detection and dry
Method, using such as above-mentioned lithium battery pack condensation detection as described in the examples and drying system, which comprises
The detection data acquired in real time is transmitted to the BCU mainboard by the BMU by the detection device；
The BCU mainboard starts the drying device when received real-time detector data is less than preset threshold.
The beneficial effects of the present invention are: by lithium battery pack condensation detect and drying system in current-collecting device by battery pack
The water droplet of interior cohesion drops in detection device, after detection data is transferred to BCU mainboard progress logic judgment and processing by BMU,
It opens drying device to evaporate the condensation generated inside battery pack, the condensation state inside battery pack can be monitored in real time, thus
The case where effectively preventing battery pack from causing vehicle to be unable to run because of insulation fault.In addition, when the liquid water in detection device is dry
After dry, test mode can be restored, realize repeated measurement.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the method also includes: according to the battery core temperature and preset value of the battery pack, determine the drying
The heating method of device.
Beneficial effect using above-mentioned further scheme is: using the battery core temperature and preset value of battery pack, determining drying
The heating method of device can take into account the consumption of heat while ensuring liquid evaporation effect.
Further, the battery core temperature and preset value according to the battery pack, determines the heating of the drying device
Mode, comprising:
When the battery core temperature is less than or equal to the preset value, determine that the heating method of the drying device is mould
Group heating sheet heating；
When the battery core temperature is greater than the preset value, determine that the heating method of the drying device is ceramic heating flake
Heating.
Beneficial effect using above-mentioned further scheme is: can be more reasonably utilized different drying modes and be added
Heat, to reach liquid evaporation, detection device is restored to the purpose of detecting state.
Further, the BCU mainboard determines described dry when received real-time detector data is less than the preset threshold
The heating method of dry device is the heating of mould group heating sheet and ceramic heating flake heating.
Beneficial effect using above-mentioned further scheme is: after heating a period of time, if real-time detector data is still
Less than preset threshold, then heated simultaneously using mould group heating sheet and ceramic heating flake, thus the evaporation rate of accelerating liquid.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or practice is recognized through the invention.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the embodiment of the present invention or the prior art
Attached drawing needed in description is briefly described, it should be apparent that, drawings described below is only of the invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural block diagram of a kind of lithium battery pack condensation detection provided in an embodiment of the present invention and drying device；
Fig. 2 is the schematic flow chart of a kind of lithium battery pack condensation detection provided in an embodiment of the present invention and drying means；
Fig. 3 be another embodiment of the present invention provides a kind of lithium battery pack condensation detection and drying means schematic flow
Figure.
Description of symbols:
1- current-collecting device；2- detection device；3-BMU；4-BCU mainboard；5- drying device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, all should belong to the scope of protection of the invention.
As shown in Figure 1, a kind of lithium battery pack condensation detection and drying device, comprising: current-collecting device 1, detection device 2, BMU
3, BCU mainboard 4 and drying device 5.Wherein, the top of detection device 2 is arranged in current-collecting device 1, and drop is being examined after liquid is converged
It surveys on device 2.Detection device 2, BMU 3, BCU mainboard 4 and drying device 5 are sequentially connected.Detection device 2 is used for the inspection that will be acquired
Measured data is transmitted to BCU mainboard 4 by BMU 3.BCU mainboard 4, for opening when received detection data is less than preset threshold
Dynamic drying device 5.
Above-described embodiment provides a kind of detection of lithium battery pack condensation and drying device, will be coagulated in battery pack using current-collecting device
Poly- water droplet drops in detection device, after detection data is transferred to BCU mainboard progress logic judgment and processing by BMU, opens
Drying device evaporates the condensation generated inside battery pack, can effectively prevent battery pack because insulation fault causes vehicle can not
The case where operation.
Specifically, in this embodiment, the shape of current-collecting device can be infundibulate, liquid is conducive to using this shape
Collection and drip to detection device.Drying device may include mould group heating sheet and/or ceramic heating flake, so that lithium battery
The integrated level of the detection of packet condensation and drying device is higher, can satisfy the demand for heat under different condition.
In addition, detection device can be liquid sensor, and the thickness range of the liquid sensor is at 200~400 μm.It is excellent
Choosing can be 300 μm.Due to using the sensor of light and thin type, so that operability is stronger.
It should be noted that in this embodiment, gap can be abutted or had between current-collecting device 1 and detection device 2
It is spaced, does not do any restriction to this in the embodiment of the present invention.In addition, current-collecting device 1 and detection device 2 can be placed on one
In the cabinet being just open.Detection device in cabinet can be connected to BMU 3, the data of acquisition by connector and host harness
BCU mainboard can be sent to by CAN communication agreement.
The present invention also provides a kind of detection of lithium battery pack condensation and drying systems, comprising: battery pack and such as above-described embodiment
In lithium battery pack condensation detection and drying device.Wherein, the detection of lithium battery pack condensation and drying device are located at the interior of battery pack
Portion.
The lithium battery pack condensation detection provided in above-described embodiment and drying system will be coagulated using current-collecting device in battery pack
Poly- water droplet drops in detection device, after detection data is transferred to BCU mainboard progress logic judgment and processing by BMU, opens
Drying device evaporates the condensation generated inside battery pack, can effectively prevent battery pack because insulation fault causes vehicle can not
The case where operation.In addition, can restore test mode after the liquid water in detection device is dry, realize repeated measurement.
Specifically, in this embodiment, the detection of lithium battery pack condensation and drying device are detachably mounted to battery pack sheet
On the spandrel girder of body bottom, current-collecting device face battery pack ontology.Such as: it is fixed, is grasped by bolt and nut or hinged mode
The property made is stronger.
It should be noted that due in the embodiment lithium battery pack condensation detection and drying system in include above
The detection of lithium battery pack condensation and drying device, it is therefore, succinct for description, in the detection of lithium battery pack condensation and drying device
The concrete function of each device and its between structural relation details are not described herein.
The present invention also provides a kind of detection of lithium battery pack condensation and drying means, using the lithium battery pack in above-described embodiment
Condensation detection and drying system.As shown in Fig. 2, this method 100 includes:
110, the detection data acquired in real time is transmitted to BCU mainboard by BMU by detection device.
120, BCU mainboard starts drying device when received real-time detector data is less than preset threshold.
Specifically, in this embodiment, since the change in resistance of liquid sensor and the amount of liquid are related, afflux
Module liquid is converged after by water droplet drop on detection means, detection device will test because of resistance change caused by water droplet
Condensation content is converted into voltage value, is transferred to BCU mainboard through CAN communication again after conducting by gathering line to BMU, by BCU mainboard
Drying device progress environmental drying processing is opened in conjunction with instruction is initiated after threshold decision.
The detection of one of above-described embodiment lithium battery pack condensation and drying means, are detected and are done by lithium battery pack condensation
Current-collecting device in drying system drops to the water droplet agglomerated in battery pack in detection device, and detection data is transferred to BCU by BMU
After mainboard carries out logic judgment and processing, opens drying device and evaporate the condensation generated inside battery pack, can be monitored in real time
Condensation state inside battery pack, thus the case where effectively preventing battery pack from causing vehicle to be unable to run because of insulation fault.Separately
Outside, after the liquid water in detection device is dry, test mode can be restored, realize repeated measurement.
Optionally, in one embodiment, as shown in figure 3, method 100 can also include:
130, BCU mainboard determines the heating method of drying device according to the battery core temperature and preset value of battery pack.Such as:
Battery core temperature can be expressed as Tcell, and preset value can be taken as 35 DEG C.However, it is understood that 35 DEG C here are used for the purpose of saying
The technical solution of the bright embodiment of the present invention for example, any restriction is not constituted to the embodiment of the present invention.
Specifically, in this embodiment, step 130 specifically includes: judging whether battery core temperature Tcell is greater than preset value.
131, when battery core temperature is less than or equal to preset value, determine that the heating method of drying device is mould group heating sheet
Heating.
132, when battery core temperature is greater than preset value, determine the heating method of drying device for ceramic heating flake heating.
Optionally, in another embodiment, as shown in figure 3, method 100 can also include:
140, BCU mainboard determines the heating method of drying device when received real-time detector data is less than preset threshold
For the heating of mould group heating sheet and ceramic heating flake heating.
That is, after using heating method heating a period of time in step 131 or 132, if real-time detection
Data will then be heated using mould group heating sheet and ceramic heating flake, still less than preset threshold thus accelerating liquid simultaneously
Evaporation rate.
It should be noted that as shown in figure 3, in this embodiment, BCU mainboard carries out the real-time detector data received
Real value (including above-mentioned voltage value and battery core temperature) is compared with setting value (including above-mentioned preset threshold and preset value)
It is right, functions/drying is opened if meeting setting value, if being unsatisfactory for, weighs new data collection, to guarantee that battery pack does not insulate
Problem is normally carried out system.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of detection of lithium battery pack condensation and drying device characterized by comprising current-collecting device, detection device, BMU,
BCU mainboard and drying device, wherein
The current-collecting device is arranged above the detection device, and drop is in the detection device after liquid is converged；
The detection device, the BMU, the BCU mainboard and the drying device are sequentially connected；
The detection device, for the detection data of acquisition to be transmitted to the BCU mainboard by the BMU；
The BCU mainboard, for starting the drying device when the received detection data is less than preset threshold.
2. lithium battery pack condensation detection according to claim 1 and drying device, which is characterized in that the current-collecting device
Shape is infundibulate, and the drying device includes mould group heating sheet and/or ceramic heating flake.
3. lithium battery pack condensation detection according to claim 1 or 2 and drying device, which is characterized in that the detection dress
It is set to liquid sensor, the thickness range of the liquid sensor is at 200~400 μm.
4. a kind of lithium battery pack condensation detection and drying system characterized by comprising in battery pack and such as claim 1-3
Described in any item lithium battery pack condensation detections and drying device, the lithium battery pack condensation detection and drying device are located at described
Inside battery pack.
5. lithium battery pack condensation detection according to claim 4 and drying system, which is characterized in that the lithium battery pack is solidifying
Dew detection and drying device are detachably mounted on the spandrel girder of the battery pack body bottom portion, the current-collecting device face institute
State battery pack ontology.
6. lithium battery pack condensation detection according to claim 5 and drying system, which is characterized in that the lithium battery pack is solidifying
Dew detection and drying device are fixed on the spandrel girder of the battery pack body bottom portion by bolt and nut or hinged mode.
7. a kind of lithium battery pack condensation detection and drying means, which is characterized in that using as described in any one of claim 4-6
Lithium battery pack condensation detection and drying system, which comprises
The detection data acquired in real time is transmitted to the BCU mainboard by the BMU by the detection device；
The BCU mainboard starts the drying device when received real-time detector data is less than preset threshold.
8. lithium battery pack condensation detection according to claim 7 and drying means, which is characterized in that the method is also wrapped
It includes:
The BCU mainboard determines the heating method of the drying device according to the battery core temperature and preset value of the battery pack.
9. lithium battery pack condensation detection according to claim 8 and drying means, which is characterized in that the BCU mainboard root
According to the battery core temperature and preset value of the battery pack, the heating method of the drying device is determined, comprising:
When the battery core temperature is less than or equal to the preset value, determine that the heating method of the drying device is that mould group adds
Backing heating；
When the battery core temperature is greater than the preset value, determine that the heating method of the drying device adds for ceramic heating flake
Heat.
10. lithium battery pack condensation detection according to claim 9 and drying means, which is characterized in that the method is also wrapped
It includes:
The BCU mainboard determines the heating of the drying device when received real-time detector data is less than the preset threshold
Mode is the heating of mould group heating sheet and ceramic heating flake heating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434894.XA CN109444208A (en) | 2018-11-28 | 2018-11-28 | A kind of detection of lithium battery pack condensation and drying device, system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434894.XA CN109444208A (en) | 2018-11-28 | 2018-11-28 | A kind of detection of lithium battery pack condensation and drying device, system and method |
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| CN109444208A true CN109444208A (en) | 2019-03-08 |
Family
ID=65554440
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| CN201811434894.XA Pending CN109444208A (en) | 2018-11-28 | 2018-11-28 | A kind of detection of lithium battery pack condensation and drying device, system and method |
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2018
- 2018-11-28 CN CN201811434894.XA patent/CN109444208A/en active Pending
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