CN208538926U - Battery module - Google Patents
Battery module Download PDFInfo
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- CN208538926U CN208538926U CN201821300499.8U CN201821300499U CN208538926U CN 208538926 U CN208538926 U CN 208538926U CN 201821300499 U CN201821300499 U CN 201821300499U CN 208538926 U CN208538926 U CN 208538926U
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- air
- inner chamber
- air inlet
- battery module
- humidity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model relates to a kind of battery module, which includes: battery case, and battery case is formed with inner chamber, and inner chamber is used to accommodate the battery unit of battery module；Moisture absorption apparatus, with the moisture absorption portion in internally positioned chamber, moisture absorption portion is configured with the hygroscopic material for absorbing the moisture in inner chamber；Desorption apparatus, the moisture suitable for being absorbed hygroscopic material are desorbed from hygroscopic material and are discharged from inner chamber.The technical solution of the utility model can remove the free moisture inside battery case long-term effectively, improve performance of battery module.
Description
Technical field
The utility model relates to a kind of battery modules.
Background technique
Wheels travel is driven by motor using vehicle power supply as power in electric car, is new at present because having fewer environmental impacts
The main direction of development of energy automobile.Energy source of the battery module as electric car, the stabilization of performance is to electric car
It is played an important role in the market by acceptance level.
Multiple battery units that battery module generally includes battery case and is mounted on inside battery case.To guarantee battery
The stability and safety of module, battery case generally use sealing structure and can reach the degree of protection of such as IP65, have
Effect prevents water and dust, dust etc. from entering sealed cell module.But in the production process of battery module, will can just it contain
There is the gas of moisture to be encapsulated in battery case；Alternatively, battery module is during the work time, it may inside the battery case of sealing
Some moisture can be generated；Alternatively, the air pressure inside battery case can change, when its air pressure with the operation of battery module
When reaching a preset value with the difference of ambient pressure, one can be allowed can to reset or not reducible device keeps internal and outside logical
Gas will also result in the gas inside battery case and contain moisture.The electronics of these moisture one side meeting corrosion cell enclosure interior
Element, another aspect moisture are also easy the reaction because participating in inside battery due to generate bulk gas, causes cell expansion, lead to electricity
The decline of pond performance.
For the moisture inside removal battery case, the side that moisture absorption apparatus is set inside battery case is used in the related technology
Formula.However, the limited wettability of moisture absorption apparatus, is not able to satisfy and removes the free moisture inside battery case long-term effectively
Actual demand.
Utility model content
The utility model is intended to provide a kind of battery that can remove the free moisture inside battery case long-term effectively
Module, to improve the performance of battery module.
The utility model provides battery module, comprising: battery case, battery case are formed with inner chamber, and inner chamber is used
In the battery unit for accommodating battery module；Moisture absorption apparatus, with the moisture absorption portion in internally positioned chamber, moisture absorption portion is configured with for inhaling
Receive the hygroscopic material of the moisture in inner chamber；Desorption apparatus, the moisture suitable for being absorbed hygroscopic material are desorbed from hygroscopic material
And it is discharged from inner chamber.
Further, battery module further include: the controller being electrically connected with desorption apparatus, controller are suitable for control desorption
The work of device.
Further, battery module further include: for detecting the temperature sensor of the temperature in inner chamber, temperature sensor
It is electrically connected with the controller；When temperature sensor detects that the temperature in inner chamber reaches temperature preset value, controller allows to be desorbed
Device is desorbed to hygroscopic material and is discharged the work of moisture.
Further, battery module further include: for detecting the first humidity sensor of the humidity in inner chamber, first is wet
Degree sensor is electrically connected with the controller；First humidity sensor detects that the humidity in inner chamber reaches the first humidity preset value
When, controller permission desorption apparatus is desorbed to hygroscopic material and is discharged the work of moisture.
Further, battery module further include: for detecting the temperature sensor of the temperature in inner chamber and for detecting
First humidity sensor of the humidity in inner chamber, temperature sensor and the first humidity sensor are electrically connected with the controller respectively；
When temperature sensor detects that the temperature in inner chamber meets or exceeds temperature preset value, and/or, the inspection of the first humidity sensor
When measuring the humidity in inner chamber and meeting or exceeding the first humidity preset value, controller allows desorption apparatus to carry out hygroscopic material
The work of desorption and discharge moisture.
Further, air inlet and air outlet are provided on battery case；Desorption apparatus includes: air inlet valve, is set to
Air inlet；Outlet air valve, is set at air outlet；Flow generator, flow generator is for generating out of air inlet entrance
The air-flow being discharged in portion's chamber and from air outlet；Air inlet valve, outlet air valve, flow generator are electrically connected with the controller respectively.
Further, it enters the wind valve and outlet air valve is respectively electromagnetism check valve；And/or flow generator is to be mounted on
Extractor fan at air outlet.
Further, battery module further include: for detecting the second humidity sensor of battery case outside air humidity
Device, the second humidity sensor are electrically connected with the controller；Second humidity sensor detects that battery case outside air humidity reaches
When the second humidity preset value, controller controls the air inlet valve of desorption apparatus and outlet air valve is closed.
Further, by the air intake passage inside air inlet to inner chamber configured with desorption drier, desorption drier is used
In the dry air for entering inner chamber from air inlet.
Further, battery module further include: for detecting the third humidity sensor of battery case outside air humidity
Device, third humidity sensor are electrically connected with the controller；It include mutually separated by the air intake passage inside air inlet to inner chamber
One air intake passage and the second air intake passage；Air inlet valve includes: to enter the wind valve and correspondence corresponding to the first of the first air intake passage
Second in the second air intake passage enters the wind valve；Desorption drier is located in the first air intake passage；If third humidity sensor is examined
It measures battery case outside air humidity and reaches third humidity preset value, then the first air inlet of controller control valve is opened, and is controlled
System the second air inlet valve is closed, so that outside air enters in inner chamber from the first air intake passage；If third humidity sensor is examined
Battery case outside air humidity is measured lower than third humidity preset value, then the second air inlet of controller control valve is opened, and is controlled
System the first air inlet valve is closed, so that outside air enters in inner chamber from the second air intake passage.
Further, air inlet is oppositely arranged with air outlet, and at least partly hygroscopic material in moisture absorption portion goes out positioned at air inlet
In air flow path between air port.
Further, which is also configured with the heater for heating to the air for entering inner chamber.
Further, heater is electrically connected with the controller；Heater configuration is in air inlet, or is configured at moisture absorption apparatus
In.
Further, moisture absorption apparatus has the outlet pipe for being fed through air outlet, the internally positioned intracavitary portion of outlet pipe
Point it is suitable for accommodating moisture absorption portion and is configured with air intake, the gas outlet of outlet pipe is located at the outside of battery case, in inner chamber
Air is flowed out by outlet pipe.
Further, moisture absorption apparatus further includes tubular shell, and the first end of tubular shell is open end and configured with turning up
Ring flange, the second end of tubular shell is configured with end cap；Moisture absorption portion is located at tubular shell and is formed by accommodating chamber；Tubular shell
The second end of body is suitable for extending into inner chamber by air inlet or air outlet, makes outer surface phase of the ring flange with battery case
It connects；Air inlet valve or outlet air valve are mounted on the open end of tubular shell；Part setting in the internally positioned chamber of tubular shell
There is air hole.
Further, moisture absorption apparatus further includes support frame；Support frame is at least partially accommodated into inner chamber, for supporting
Moisture absorption portion in internally positioned chamber；Moisture absorption portion includes venting bags and the hygroscopic material that is wrapped in venting bags, and hygroscopic material is suitable for
The aqueous vapor in inner chamber is adsorbed by venting bags.
Further, venting bags are made of fire proofing；And/or support frame is made of fire proofing；And/or hygroscopic material
Material uses active carbon, silica, alumina silicate or natural plant fibre.
Further, support frame includes at least two flase floors disposed in parallel, between at least a pair of adjacent flase floor
It is clamped with flat moisture absorption portion.
Battery module provided by the utility model is located at the suction in the moisture absorption portion in battery case inner chamber by moisture absorption apparatus
Wet stock absorbs the moisture in inner chamber, periodically or is aperiodically absorbed hygroscopic material by the desorption apparatus configured
Moisture be discharged from inner chamber, so that hygroscopic material be made always to be in unsaturated state, hygroscopic material can it is long-term, repeat, have
Effect ground plays hygroscopic effect inside battery case, and moisture content free inside battery case is greatly reduced.In this way, on the one hand
The performance of battery module is improved, does not on the other hand also need the matched moisture absorption apparatus of periodic replacement battery module, or also not
It is easy to cause battery module to fail due to can be not replaceable after the moisture absorption apparatus of battery module saturation, has saved the energy and cost.
Detailed description of the invention
Fig. 1 shows the partial cutaway view schematic of the battery module of the utility model first embodiment offer；
Fig. 2 shows the partial cutaway view schematics for the battery module that the utility model second embodiment provides；
Fig. 3 shows the partial cutaway view schematic of the battery module of the utility model 3rd embodiment offer；
Fig. 4 shows the partial cross signal of the moisture absorption apparatus in the battery module of the utility model 3rd embodiment offer
Figure；
Fig. 5 shows the partial cutaway view schematic of the battery module of the utility model fourth embodiment offer；And
Fig. 6 shows the partial cutaway view schematic of the battery module of the 5th embodiment of the utility model offer.
Specific embodiment
The utility model embodiment is carried out more comprehensively below with reference to relevant drawings for the ease of understanding the utility model,
Description.The better embodiment of the utility model is given in attached drawing.But the utility model can be with many different shapes
Formula is realized, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making to this reality
Understood with novel disclosure more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
It may be connected indirectly to another element or by centering elements another element.
Referring to Fig. 1, the schematic structure of the battery module of the utility model first embodiment offer is shown.As schemed
Show, which includes: battery case 1, several battery units 11, at least one moisture absorption apparatus 2 and at least one desorption
Device.
Wherein, battery case 1 can be made of any suitable material, and battery case 1 forms inner chamber 10, battery list
Member 11 is contained in inner chamber 10.Moisture absorption apparatus 2 has the moisture absorption portion 21 in internally positioned chamber 10, and moisture absorption portion 21 is configured with and is used for
The hygroscopic material 211 of the moisture in inner chamber 10 is absorbed, the moisture to dissociate in battery case 1 can be absorbed in hygroscopic material 211, with
The moisture content that gas is included in inner chamber 10 is effectively reduced, keeps the performance and job stability of battery module.It needs
Bright, the moisture absorption portion 21 with hygroscopic material 211 can be fully located in inner chamber 10 or the internally positioned chamber 10 in part
In.
Desorption apparatus is preferably installed on battery case 1, and desorption apparatus is suitable for the moisture for being absorbed hygroscopic material 21
It is desorbed from adsorbent material 211 and is discharged from inner chamber 10.Hygroscopic material 211 is set to be dehydrated (dehumidifying) that is, desorption apparatus plays
Effect, and the moisture that detached from hygroscopic material 211 can be discharged to the outside of battery case 1, to make hygroscopic material
Material 211 is always in unsaturated state, that long-term, repeatedly, effectively can play hygroscopic effect inside battery case 1.This
Sample does not need the matched moisture absorption apparatus 2 of periodic replacement battery module institute, or when moisture absorption apparatus 2 is arranged to not replaceable, no
Battery module can be easy to cause to fail because moisture absorption apparatus 2 is saturated, to save the energy and cost.
Present embodiment illustrates a kind of preferred structures of moisture absorption apparatus 2.Moisture absorption apparatus 2 includes support frame 22 and moisture absorption portion
21, support frame 22 is preferably fully accommodated in inner chamber 10.Specifically, support frame 22 can be configured to have several air holes
At least one mounting box or support frame 22 can be configured at least one in flat Combined frame posture structure, this
When, support frame 22 limits the positioning chamber 220 communicated with inner chamber 10, and the moisture absorption portion 21 in internally positioned chamber 10 is contained in positioning
In chamber 220, so that moisture absorption portion 21 is supported by support frame 22.In a kind of alternative embodiment, support frame 22 may include
At least two flase floors disposed in parallel are clamped with flat (or referred to as sheet) between at least a pair of adjacent flase floor
Moisture absorption portion 21 there is ventilating area at this point, flase floor and moisture absorption portion 21 can be completely in inner chamber 10 on flase floor
Domain.
The hygroscopic material 211 that moisture absorption portion 21 preferably includes venting bags 210 and is wrapped in venting bags 210.It is appreciated that
Hygroscopic material 211 can be through in venting bags 210 and air hole on support frame 22 or ventilation area and inner chamber 10
Gas contact has the function that dehumidify to inner chamber 10 to adsorb the aqueous vapor that gas is included in inner chamber 10.
Preferably, venting bags 210 are made of fire proofing.The material of venting bags 210 preferably uses Du Pont paper NOMEX-
Other product materials with flame-retarding characteristic of the T411 perhaps series can also select aluminosilicate material to be made, so that
Venting bags 210 have the function of good water-permeable and air permeable and fire-retardant fireproof function.Preferably, support frame 22 is also by fire proofing
It is made.The material of support frame 22 preferably uses metal, such as iron, stainless steel etc..Certain support frame 22 can also select other tools
Have certain degree of hardness and can fire-retardant material be made, such as be made of flame retardant plastics (such as bakelite).It is made by using fire proofing
Support frame 22 and venting bags 210, the moisture absorption apparatus 2 can be improved applied to security performance when using in battery module.When
So, in other embodiments, venting bags 210 are such as can also be as non-woven fabrics, plant fiber or any conjunction having hole gas permeable material
Suitable material is made.Preferably, the hygroscopic material 211 packed by venting bags 210 can use active carbon, silica, alumina silicate
(aluminosilicate), natural plant fibre or other any suitable hygroscopic materials.Not according to the hygroscopic material of use
Together, the form of hygroscopic material 211 can be shown as graininess, sheet or other any suitable shapes.
It is appreciated that it is suitable that support frame 22 passes through to be kept fixed support frame 22 and the relative position of battery case 1
Connection structure is connect with the cavity wall of inner chamber 10.The connection structure example for making the cavity wall of support frame 22 and inner chamber 10 link together
Such as using snapping connection (it can be provided with buckle on one of support frame 22 and cavity wall, the card of matching is provided in another one
Hole), slot connection (slot being provided on one of support frame 22 and cavity wall, the insertion piece of matching is provided in another one) or
Clasp joint (mounting point being provided on one of support frame 22 and cavity wall, the hook of matching is provided in another one) etc..Certainly,
The cavity wall of support frame 22 and inner chamber can also for example link together in such a way that adhesive is bonded.
Preferably, the support frame 22 being encapsulated in inner chamber 10 can for example recline inner chamber 10 cavity wall setting, or
It is placed between adjacent battery unit 11 as shown in Figure 1.
Preferably, although moisture absorption portion 21 includes Humidity absorption bag 210 and hygroscopic material 211 in the present embodiment.But in other implementations
In example, by the way that the shape of positioning chamber 220 is properly arranged, the moisture absorption portion 21 of moisture absorption apparatus 2 can not also include venting bags 210, and
It is that hygroscopic material 211 is directly loadable into positioning chamber 220.
Preferably, flat when support frame 22 is using flat Combined frame posture structure or grating board structure
Moisture absorption portion 21 be, for example, hygroscopic material (such as the natural plant fibre piece for passing through suit sheet by flat venting bags 210
Material) 211 formation.Support frame 22 clamps venting bags 210, and to play the role of sizing to venting bags 210, then support frame 22 can
To be linked together by any appropriate connection structure and the cavity wall of inner chamber 10.Preferably, which can be basic
It sticks in cavity wall, and is suitable for being fixed to cavity wall by the fastener in the mounting hole for being mounted on each corner of tower structure
On.Preferably, which can be arranged multiple groups in inner chamber 10, to obtain better moisture absorption.It can
With understand, suitable for the support frame 22 and corresponding moisture absorption portion 21 that are included in inner chamber 10 completely construction there are many kinds of, herein
It repeats no more.
Desorption apparatus equally has numerous embodiments.Such as in a kind of unshowned mode, desorption apparatus can match
Heating, drying can be carried out to hygroscopic material 211 by being set to, and during baking can export drying gas outside battery case 1
Form.Desorption apparatus can be the work for being desorbed and being discharged moisture by the mode manually periodically or non-periodically opened.Or
Person can be such that desorption apparatus is electrically connected with controller (not shown), and controller is suitable for control desorption apparatus automatically, periodically
Or aperiodically it is desorbed and is discharged the work of moisture.
Present embodiment illustrates a kind of preferred embodiment of desorption apparatus, the desorption apparatus include air inlet valve 31,
Outlet air valve 32 and flow generator 33.It is preferably provided with air inlet 12 and air outlet 13 on battery case 1, enters the wind valve
31 are set at air inlet 12, and outlet air valve 32 is set at air outlet 13.It enters the wind valve 31 and 32 normality of outlet air valve is kept
Closed state, to guarantee the air-tightness of the inner chamber 10 of battery case 1.Entering the wind valve 31 and outlet air valve 32 when needed can be with
Open, to open air inlet 12 and air outlet 13, after gas is entered in inner chamber 10 by air inlet 12 again from
Air outlet 13 is discharged.Flow generator 33 can for example use fan, or can be the positive pressure system being connected to air inlet 12,
Or it can be the negative pressure system being connected to air outlet 13.When flow generator 33 is using fan, fan can be configured at into
At air valve 31, in inner chamber 10 or at outlet air valve 32, enter for generating from air inlet 12 in inner chamber 10 and from out
The guiding air-flow that air port 13 is discharged passes through inner chamber 10 and flows, thus by the moisture absorption in inner chamber 10 with promoting air-flow forced
The moisture that material is included is taken out of.
The working principle of the desorption apparatus is as described below: when needing to dehumidify to hygroscopic material 211, opening air inlet valve 31
With outlet air valve 32, flow generator (such as fan) 33 is opened.When fan rotates, the dry gas outside battery case 1 is logical
It crosses air inlet valve 31 to enter in inner chamber 10, after contacting with hygroscopic material 211, carries the moisture that hygroscopic material 211 is absorbed
It is flowed out from outlet air valve 32, hygroscopic material 211 is made to restore drying.After the moisture pick-up properties of hygroscopic material 211 restores substantially, close
Valve 31, outlet air valve 32 and fan are entered the wind, battery case 1 can be made to reply air-tight state, maintain the normal fortune of battery module
Row.
Air inlet 12 is preferably oppositely arranged with air outlet 13 in the present embodiment, at least partly hygroscopic material in moisture absorption portion 21
In 211 air flow path between air inlet 12 and air outlet 13.In this way, hygroscopic material 211 can lead to along air flow path
The dry gas stream for crossing inner chamber 10 comes into full contact with, and the moisture for reaching more efficient is detached from effect.Preferably, moisture absorption portion 21 complies with air-flow
The direction of flow path is arranged.
In the present embodiment preferably, flow generator 33 is using the extractor fan being mounted at air outlet 13, the exhausting wind
Fan is preferably located in the outside of outlet air valve 32, and the gas in inner chamber 10 flows after passing sequentially through outlet air valve 32 and extractor fan
Out.Certainly, in alternative embodiments, flow generator 33 may include the air inlet fan being mounted at air inlet 13, should
Air inlet fan is preferably located in the outside of air inlet valve 31, and the air outside battery case 1 passes sequentially through air inlet fan and air inlet
It is entered after valve 31 in inner chamber 10.
Accurately to control the opportunity that desorption apparatus automatically turns on the work of desorption and discharge moisture, the air inlet of the battery module
Solenoid valve can be respectively adopted in valve 31 and outlet air valve 32, and each solenoid valve is electrically connected with the controller respectively, flow generator 33
Also it is electrically connected with the controller.In addition, the battery module can also include the temperature sensing for detecting the temperature in inner chamber 10
At least one of both device and the first humidity sensor for detecting the humidity in inner chamber 10.Temperature sensor, first
Humidity sensor is electrically connected with above controller.Controller can be according to the temperature information and/or the first humidity of temperature sensor
The on-off of the humidity information control solenoid valve of sensor and the starting and shutdown of flow generator 33 are (that is, controller can be with
Control desorption and the discharge work of desorption apparatus), the moisture that hygroscopic material 211 is absorbed is discharged from inner chamber 10.
For example, (the explanation when temperature sensor detects that the temperature of the inner chamber 10 of battery case 1 reaches temperature preset value
1 internal temperature of battery case is excessively high), temperature sensor is sent to the first enabling signal of controller, controller can according to this
One enabling signal allows desorption apparatus to start, the work of moisture is desorbed and be discharged to hygroscopic material.For example, controller control
System air inlet valve 31, outlet air valve 32 are opened, and control flow generator 33 starts.It is dry under the guiding of flow generator 33
Air-flow is entered in inner chamber 10 from air inlet valve 31 and is discharged from outlet air valve 32, and dry gas stream passes through what inner chamber 10 flowed
Process can reduce the temperature of inner chamber 10, while the moisture that hygroscopic material 211 is absorbed can also be discharged from inner chamber 10.?
After desorption apparatus work predetermined amount of time or after temperature sensor detects that the temperature of inner chamber 10 is reduced to certain value, control
Device can control desorption apparatus and stop working.Specifically, controller control air inlet valve 31 and outlet air valve 32 are closed, and control gas
Flow-generator 33 is shut down.
Alternatively, (the explanation when the first humidity sensor detects that the humidity in inner chamber 10 reaches the first humidity preset value
Hygroscopic material 211 may be already close to saturation, and wettability power is insufficient), the first humidity sensor is sent to controller second
Enabling signal, controller can according to second enabling signal allow desorption apparatus start, with to hygroscopic material carry out desorption and
The work of moisture is discharged.For example, controller control air inlet valve 31, outlet air valve 32 are opened, and control flow generator 33 and open
It is dynamic.Under the guiding of flow generator 33, dry gas stream enters in inner chamber 10 from air inlet valve 31 and from outlet air valve 32
Discharge, dry gas stream, which passes through the process that inner chamber 10 flows, can also take away the moisture that hygroscopic material 211 is absorbed.In desorption apparatus
After work predetermined amount of time or after the first humidity sensor detects that the humidity in inner chamber 10 is reduced to certain value, controller
It can control desorption apparatus to stop working.Specifically, controller control air inlet valve 31 and outlet air valve 32 are closed, and control air-flow
Generator 33 is shut down.
It should be noted that there is the case where above-mentioned temperature sensor and the first humidity sensor simultaneously in battery module
Under, for example, can be meet the humidity that the temperature in inner chamber 10 meets or exceeds in temperature preset value and inner chamber 10 reach or
More than any one condition in first humidity preset value the two conditions, controller can allow desorption apparatus to hygroscopic material
It is desorbed and is discharged the work of moisture.In addition, to avoid the normal work to battery module from generating interference, desorption apparatus is carried out
It is carried out during the inoperative that the time of dehumidification work is preferably set to battery module.Preferably, the battery module is as automobile
Battery in use, the working time of desorption apparatus automobile is set non-traveling during carry out.
Preferably, it enters the wind valve 31 and electromagnetism check valve is respectively adopted in outlet air valve 32.In this way, when air inlet valve 31 and going out
Air valve 32 open when, air-flow can only one-way flow, better air-flow guiding role can be played.
Referring to fig. 2, the battery module of the utility model second embodiment offer is provided.As shown, the present embodiment mentions
It is in place of the main difference for the battery module that the battery module of confession is provided with above-mentioned first embodiment, by air inlet 12 to inside
Configured with desorption drier, preferably desorption drier 4 is arranged at air inlet 12 air intake passage inside chamber 10, is used for drying
Enter the air of inner chamber 10 from air inlet 12.Desorption drier is, for example, the filter assemblies for including hygroscopic material.Desorption is dry
Dry device 4 is preferably configured in the outside of air inlet valve 31, and gas first passes around after desorption drier 4 is dried, then is passed through
It is entered in inner chamber 10 by air inlet valve 31 and air inlet 12.Drier 4 is desorbed by setting, it is ensured that enter inner chamber
Air-flow in 10, dehumidifying for the hygroscopic material 211 to moisture absorption apparatus is dry.
In some embodiments, desorption drier 4 can be electrically connected with the controller, and control whether to start by controller.?
In this case, which preferably further includes the third humidity sensor for detecting 1 outside air humidity of battery case
Device, third humidity sensor are electrically connected with the controller.In addition, the air intake passage inside inner chamber 10 will be entered by air inlet 12
It is divided into the first air intake passage and the second air intake passage mutually separated.Air inlet valve preferably includes: it is logical to correspond to the first air inlet
The first of road enters the wind valve and enters the wind valve corresponding to the second of the second air intake passage.Can will the desorption setting of drier 4 the
In one air intake passage, such as the air inlet of the first air intake passage is set, in this way, in desorption apparatus work, if third is wet
Degree sensor detects that the air humidity outside battery case 1 reaches third humidity preset value and (illustrates the sky outside battery case 1
Air humidity degree is larger) when, then the first air inlet of controller control valve is opened and controls the closing of the second air inlet valve, so that outside air
It just can enter in inner chamber 10 after must being dried via the desorption drier 4 at the first air intake passage.And if third humidity sensor
When device detects the air humidity outside battery case 1 lower than third humidity preset value, controller can control the second air inlet valve
The closing of the first air inlet valve is opened and controlled to door, allows outside air to avoid desorption drier 4 but by the second air inlet
Channel is directly entered in inner chamber 10.
Referring to Fig. 3 and Fig. 4, the schematic diagram of the battery module of the utility model 3rd embodiment offer is shown.With
It is in place of the main difference of battery module provided by above-mentioned first embodiment, the embodiment party of support frame 22 and moisture absorption portion 21
Formula.
Specifically, in the present embodiment, the support frame 22 of moisture absorption apparatus 2 includes tubular shell 223, end cap 222 and ring flange
221.Wherein, the first end of tubular shell 223 is open end and the ring flange 221 turned-out configured with diameter.Ring flange 221 is for example
For circular ring shape with a central hole.The second end of tubular shell 223 is configured with end cap 222, tubular shell 223 and its end cap 222,
Ring flange 221 can be integral structure.Moisture absorption portion 21 is located at tubular shell 223 and is formed by accommodating chamber, as previously mentioned, inhaling
Wet end 21 may include venting bags 210 and the hygroscopic material 211 that is contained in venting bags 210.Venting bags 210 for example can be by hindering
Combustible material is made.The material of venting bags 210 preferably uses other of Du Pont paper NOMEX-T411 or the series with fire-retardant spy
Property product material, or aluminosilicate material can also be selected to be made, so that venting bags 210 have good water-permeable and air permeable function
Energy and fire-retardant fireproof function.Venting bags 210 preferably fit with the shape of accommodating chamber.Preferably, support frame 22 is also by hindering
Combustible material is made.The material of support frame 22 preferably uses metal, such as iron, stainless steel etc..Certain support frame 22 can also be selected
With certain degree of hardness, simultaneously the fire-retardant material of energy is made for other, such as is made of flame retardant plastics (such as bakelite).Hygroscopic material 211 can be with
For active carbon, silica, alumina silicate (aluminosilicate), natural plant fibre or other any suitable hygroscopic materials
Material.Moisture absorption portion 21 is placed into the accommodating chamber of tubular shell by the opening of the first end of tubular shell 223, and by end cap 222
Limit.Tubular shell 223 is equivalent to the outlet pipe to form moisture absorption apparatus 2, which is fed through air outlet 13.Tubular shell
The opening (namely opening of first end) of 223 open end of body forms the gas outlet of the outlet pipe of moisture absorption apparatus 2, gas outlet position
In the outside of battery case 1.Part in the internally positioned chamber 10 of tubular shell 223 is suitable for accommodating as described above moisture absorption portion 21, and
Part in the internally positioned chamber 10 of tubular shell 223 is provided with multiple air holes 224, and each air hole 224 is equivalent to moisture absorption dress
Set the air intake of 2 outlet pipe.Air in inner cavity 10 enters outlet pipe from air intake, then going out by outlet pipe
Port outflow, to be diffused into the outside of inner chamber 10.
In the present embodiment, the second end (222 place end of end cap) of tubular shell 223 is suitable for extending by air outlet 13 interior
In portion's chamber 10, ring flange 221 (being not shown in Fig. 3) is made to connect with the outer surface of battery case 1.Preferably, to make venting bags 210
Outer surface can as often as possible be exposed in inner chamber 10, to increase the contact of venting bags 210 with 10 interior air-flow of inner chamber
Moisture absorption is improved in face, and air hole 224 can be set into multiple as far as possible.In addition, because hygroscopic material 211 is wrapped in the present embodiment
Be rolled in venting bags 210 so that the aperture of air hole 224 can be big as far as possible, enable venting bags 210 as often as possible with it is interior
Air flow contacts in portion's chamber 210.Certainly, in alternative embodiment, venting bags 210 can also be not provided with, by hygroscopic material
211 are directly installed in accommodating chamber, and suitable size need to be arranged in the aperture of air hole 224 at this time, fall to avoid hygroscopic material 211
It falls.
The open end that outlet air valve 32 is mounted on tubular shell 223 (such as passes through fastening with ring flange 221, battery case 1
Part links together).Under 32 closed state of outlet air valve, the first end opening of tubular shell 223 is closed, to realize inner chamber
Air-tightness under 10 normalities.When outlet air valve 32 is opened, the first end opening of tubular shell 223 is opened, from air inlet valve
31, air inlet 12 enters the air-flow of inner chamber 10, after coming into full contact with by air hole 224 and hygroscopic material 211, passes sequentially through pipe
The first end opening, outlet air valve 32, the flow generator 33 of shape shell 223 are discharged from inner chamber 10.
Certainly, in a kind of unshowned embodiment, the second end of the tubular shell 223 of moisture absorption apparatus 2 can by into
Air port 12 is extend into inner chamber 10, can not install other moisture absorption apparatus 2 at air outlet 13 at this time.It is corresponding to enter the wind valve 31
Ground is mounted on the outside of the open end of tubular shell 223, with the first end opening for that can close or open tubular shell 223.
In this case, the hygroscopic material 211 in tubular shell 223 both can carry out predry to the gas that will enter inner chamber 10
It is dry, and the free moisture in inner chamber 10 can be absorbed.At this point, tubular shell 223 is equivalent to the air inlet pipe to form moisture absorption apparatus 2
Road, air inlet pipeline are fed through air inlet 12, and the first end opening of tubular shell 223 is located at 1 outside of battery case and as moisture absorption
The air inlet of the air inlet pipeline of device 2, the air hole 224 of the part setting in the internally positioned chamber 10 of tubular shell 223 formed into
Multiple gas outlets of air pipe.
Fig. 5 shows the schematic diagram of the battery module of the utility model fourth embodiment offer, the embodiment and above-mentioned the
It is in place of the main difference of three embodiments, it is dry that desorption described in for example above-mentioned second embodiment is provided at air inlet 12
Dry device 4.The desorption drier 4 is preferably configured in the outside of air inlet valve 31, gas after desorption drier 4 is dry, then
It is entered in inner chamber 10 by air inlet valve 31 and air inlet 12.
Fig. 6 shows the schematic diagram of the battery module of the 5th embodiment of the utility model offer, the embodiment and above-mentioned the
It is in place of the main difference of three embodiments, institute in such as 3rd embodiment is provided at air inlet 12 and at air outlet 13
The moisture absorption apparatus 2 stated.It opens the tubular shell open end that air inlet valve 31 can close or open the moisture absorption apparatus 2 at air inlet 12
Mouthful, outlet air valve 32 can close or open the tubular shell opening end opening of the moisture absorption apparatus 2 at air outlet 13.Setting into
Moisture absorption apparatus 2 at air port 12 can carry out predrying to the air that will be entered in inner chamber 10, moreover it is possible to absorb inner chamber
The moisture to dissociate in 10.
The utility model additionally provides the sixth embodiment of battery module, the sixth embodiment and above-mentioned first embodiment
It is in place of main difference: further includes the second humidity sensor for detecting 1 outside air humidity of battery case, this is second wet
Degree sensor is electrically connected with the controller.When to detect that battery case outside air humidity reaches second wet for second humidity sensor
When spending preset value, illustrate that outside air humidity is bigger at this time, directly opening desorption apparatus and cannot playing is desorbed moisture absorption apparatus
The desorption of moisture, controller controls the air inlet valve 31 of desorption apparatus and outlet air valve 32 is closed, and is in desorption apparatus
Forbid the state opened.
The utility model additionally provides the 7th embodiment of battery module, the 7th embodiment and above-mentioned first embodiment
It is in place of main difference: is also configured with the heater for heating to the air for entering inner chamber 10.The heater can be with
Controller electrical connection, and can be only fitted at air inlet 12 or configure in moisture absorption apparatus.Heater for example can be packet
Equipment containing heater strip or heating sheet, the water desorption effect that natural wind can be enhanced to hygroscopic material 211 by the way that heater is arranged
Fruit improves water desorption efficiency.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (18)
1. a kind of battery module characterized by comprising battery case (1), the battery case (1) are formed with inner chamber
(10), the inner chamber (10) is used to accommodate the battery unit (11) of the battery module；Moisture absorption apparatus (2) has and is located at institute
The moisture absorption portion (21) in inner chamber (10) is stated, the moisture absorption portion is configured with the suction for absorbing the moisture in the inner chamber (10)
Wet stock (211)；Desorption apparatus, the moisture for being suitable for being absorbed the hygroscopic material (211) are de- from the hygroscopic material (211)
It is attached and from the inner chamber (10) be discharged.
2. battery module according to claim 1, which is characterized in that further include: the control being electrically connected with the desorption apparatus
Device processed, the controller are suitable for controlling the work of the desorption apparatus.
3. battery module according to claim 2, which is characterized in that further include:
For detecting the temperature sensor of the temperature in the inner chamber (10), the temperature sensor is electrically connected with the controller
It connects；When the temperature sensor detects that the temperature in the inner chamber (10) reaches temperature preset value, the controller allows
The desorption apparatus is desorbed and is discharged the work of moisture to the hygroscopic material.
4. battery module according to claim 2, which is characterized in that further include:
For detecting the first humidity sensor of the humidity in the inner chamber (10), first humidity sensor and the control
Device electrical connection processed；First humidity sensor detects that the humidity in the inner chamber (10) reaches the first humidity preset value
When, the controller allows the desorption apparatus hygroscopic material to be desorbed and is discharged the work of moisture.
5. battery module according to claim 2, which is characterized in that further include: for detecting in the inner chamber (10)
Temperature temperature sensor and the first humidity sensor for detecting the humidity in the inner chamber (10), the temperature pass
Sensor and first humidity sensor are electrically connected with the controller respectively；When the temperature sensor detects the inside
When intracavitary temperature meets or exceeds temperature preset value, and/or, first humidity sensor detects in the inner chamber
When humidity meets or exceeds the first humidity preset value, the controller allows the desorption apparatus to take off the hygroscopic material
Echo the work of discharge moisture.
6. the battery module according to any one of claim 2 to 5, which is characterized in that
Air inlet (12) and air outlet (13) are provided on the battery case (1)；
The desorption apparatus includes: air inlet valve (31), is set at the air inlet (12)；Outlet air valve (32), is set to
At the air outlet (13)；Flow generator (33), the flow generator (33) for generate from the air inlet (12) into
The air-flow for entering in the inner chamber (10) and being discharged from the air outlet (13)；
The air inlet valve (31), the outlet air valve (32), the flow generator (33) are electrically connected with the controller respectively
It connects.
7. battery module according to claim 6, which is characterized in that the air inlet valve (31) and the outlet air valve
It (32) is respectively electromagnetism check valve；And/or the flow generator (33) is the exhausting wind being mounted at the air outlet (13)
Fan.
8. battery module according to claim 6, which is characterized in that further include: it is external empty for detecting battery case (1)
Second humidity sensor of air humidity degree, second humidity sensor are electrically connected with the controller；Second humidity sensor
When device detects that the battery case outside air humidity reaches the second humidity preset value, the controller controls the desorption dress
The air inlet valve (31) set and the outlet air valve (32) are closed.
9. battery module according to claim 6, which is characterized in that by the air inlet (12) to the inner chamber (10)
Configured with desorption drier (4) in internal air intake passage, the desorption drier for drying from the air inlet (12) into
Enter the air of the inner chamber (10).
10. battery module according to claim 9, which is characterized in that further include: it is external for detecting battery case (1)
The third humidity sensor of air humidity, the third humidity sensor are electrically connected with the controller；By the air inlet
It (12) include the first air intake passage and the second air intake passage mutually separated to the inner chamber (10) internal air intake passage；It is described
Air inlet valve includes: to enter the wind valve and corresponding to the of second air intake passage corresponding to the first of first air intake passage
Two air inlet valves；The desorption drier is located in first air intake passage；If the third humidity sensor detects institute
It states battery case outside air humidity and reaches third humidity preset value, then the controller control the first air inlet valve is beaten
It opens, and controls the second air inlet valve and close, so that outside air enters the inner chamber from first air intake passage
(10) in；If the third humidity sensor detects that the battery case outside air humidity is lower than third humidity preset value,
Then the controller control the second air inlet valve is opened, and is controlled the first air inlet valve and closed, so that outside air
Enter in the inner chamber (10) from second air intake passage.
11. battery module according to claim 6, which is characterized in that the air inlet (12) and the air outlet (13)
It is oppositely arranged, at least partly hygroscopic material (211) of the moisture absorption portion (21) is located at the air inlet (12) described air outlet
(13) in the air flow path between.
12. battery module according to claim 6, which is characterized in that be also configured with for the entrance inner chamber
(10) heater of air heating.
13. battery module according to claim 12, which is characterized in that the heater is electrically connected with the controller；
The heater configuration is in the air inlet, or is configured in the moisture absorption apparatus.
14. battery module according to claim 6, which is characterized in that the moisture absorption apparatus (2) have be fed through it is described go out
The outlet pipe in air port (13), the outlet pipe be located at the part in the inner chamber (10) be suitable for accommodating the moisture absorption portion and
Configured with air intake, the gas outlet of the outlet pipe is located at the outside of the battery case (1), in the inner chamber (10)
Air is flowed out by the outlet pipe.
15. battery module according to claim 6, which is characterized in that
The moisture absorption apparatus further includes tubular shell (223), and the first end of the tubular shell (223) is open end and is configured with
The second end of the ring flange (221) to turn up, the tubular shell (223) is configured with end cap (222)；
The moisture absorption portion (21) is located at the tubular shell (223) and is formed by accommodating chamber；
The second end of the tubular shell (223) is suitable for extending into institute by the air inlet (12) or the air outlet (13)
It states in inner chamber (10), the ring flange (221) and the outer surface of the battery case (1) is made to connect；
Air inlet valve (31) or the outlet air valve (32) are mounted on the open end of the tubular shell (223)；
The part that the tubular shell (223) is located in the inner chamber (10) is provided with air hole (224).
16. battery module according to claim 6, which is characterized in that
The moisture absorption apparatus (2) further includes support frame (22)；Support frame as described above (22) is at least partially accommodated into the inner chamber
(10) in, for supporting the moisture absorption portion (21) being located in the inner chamber (10)；The moisture absorption portion (21) includes venting bags
(210) it is suitable for the hygroscopic material (211) that is wrapped in the venting bags (210), the hygroscopic material (211) by described
Airbag (210) adsorbs the aqueous vapor in the inner chamber (10).
17. battery module according to claim 16, which is characterized in that the venting bags (210) are made of fire proofing；
And/or support frame as described above (22) is made of fire proofing；And/or the hygroscopic material (211) uses active carbon, titanium dioxide
Silicon, alumina silicate or natural plant fibre.
18. battery module according to claim 17, which is characterized in that support frame as described above (22) includes at least two parallel
The flase floor of setting is clamped with the flat moisture absorption portion (21) between at least a pair of adjacent flase floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300499.8U CN208538926U (en) | 2018-08-13 | 2018-08-13 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300499.8U CN208538926U (en) | 2018-08-13 | 2018-08-13 | Battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208538926U true CN208538926U (en) | 2019-02-22 |
Family
ID=65377975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821300499.8U Active CN208538926U (en) | 2018-08-13 | 2018-08-13 | Battery module |
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| Country | Link |
|---|---|
| CN (1) | CN208538926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307604A (en) * | 2019-08-01 | 2019-10-08 | 上海南华兰陵电气有限公司 | Drainage-free dehumidifier |
-
2018
- 2018-08-13 CN CN201821300499.8U patent/CN208538926U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307604A (en) * | 2019-08-01 | 2019-10-08 | 上海南华兰陵电气有限公司 | Drainage-free dehumidifier |
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