CN203826502U - Gas circuit balancing device for nickel-metal hydride battery - Google Patents
Gas circuit balancing device for nickel-metal hydride battery Download PDFInfo
- Publication number
- CN203826502U CN203826502U CN201420168037.0U CN201420168037U CN203826502U CN 203826502 U CN203826502 U CN 203826502U CN 201420168037 U CN201420168037 U CN 201420168037U CN 203826502 U CN203826502 U CN 203826502U
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- China
- Prior art keywords
- battery
- balanced
- gas circuit
- compartment
- housing
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- Withdrawn - After Issue
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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
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Abstract
The utility model discloses a gas circuit balancing device for a nickel-metal hydride battery. The gas circuit balancing device for the nickel-metal hydride battery comprises a shell, wherein a plurality of sealed battery case chambers which are independent from one another are arranged in the shell, one battery cell is arranged in each battery case chamber, and electrolyte is also filled in each battery case chamber; an internal balancing gas circuit communicating adjacent battery case chambers are respectively arranged between the adjacent battery case chambers, and each internal balancing gas circuit is arranged in a gas space above the liquid level of the electrolyte; the gas space is connected with an external connection balancing pipeline; the internal balancing gas circuits and the external connection balancing pipeline are matched to form a closed gas circuit balancing device, so that air pressures of all the battery case chambers are the same, battery parameters are balanced as the air pressures are balanced, battery output stability and battery use safety are guaranteed, and the service life of the battery is prolonged.
Description
Technical field
The utility model relates to a kind of electric car power supply, relates in particular to a kind of medium cool batteries module.
Background technology
Fast development along with New-energy electric vehicle, existing traditional lead acid accumulator is because problems such as environmental requirement and useful lifes, restricted the development of motor vehicle, novel Ni-MH battery is high because having charge-discharge magnification, can complete at short notice charging, there is best cryogenic property simultaneously, but Ni-MH battery is in charge and discharge process, air pressure in battery compartment can change to some extent, if the atmospheric pressure value in each battery compartment is different, can cause the unit for electrical property parameters of battery in each battery compartment different, make battery module output unbalanced, also there is potential safety hazard.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of a kind of Ni-MH battery gas circuit balancer that guarantees Ni-MH battery parameter stability and useful life.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of Ni-MH battery gas circuit balancer, comprise housing, in described housing, be provided with some separate and sealing battery compartment, a battery is installed in battery compartment described in each, in described battery compartment, is also loaded with electrolyte; Between adjacent described battery compartment, be respectively equipped with the internal balance gas circuit that is communicated with described battery compartment, described internal balance gas circuit is positioned at the gas compartment more than described liquid level of electrolyte; In the described gas compartment, be connected with and outreach balanced pipeline.
As a kind of preferred technical scheme, described internal balance gas circuit comprises the ventilation gap being arranged between adjacent described battery compartment.
As a kind of preferred technical scheme, described in outreach balanced pipeline and comprise the balanced transverse tube being arranged on described housing, described balanced transverse tube is provided with balanced vertical tube, the two ends of described balanced transverse tube are installed with that equalized seal stops up or expansion tube connector.
As a kind of preferred technical scheme, described expansion tube connector is provided with balanced locking projection, and described housing is provided with the equilibrium locking draw-in groove coordinating with described balanced locking projection; Described equalized seal is also provided with the equilibrium locking projection corresponding with described balanced locking draw-in groove on stopping up.
As a kind of preferred technical scheme, described housing comprises the battery cover that is positioned at described housing top, on described battery cover, upper cover is installed, described battery cover is provided with balanced pipeline hole, the bottom of described balanced vertical tube is passed described balanced pipeline hole and is communicated with described internal balance gas circuit, between described balanced vertical tube and described balanced pipeline hole, sealing ring is installed, described balanced locking draw-in groove is arranged on described and covers.
Owing to having adopted technique scheme, a Ni-MH battery gas circuit balancer, comprises housing, in described housing, be provided with some separate and sealing battery compartment, a battery is installed in battery compartment described in each, in described battery compartment, is also loaded with electrolyte; Between adjacent described battery compartment, be respectively equipped with the internal balance gas circuit that is communicated with described battery compartment, described internal balance gas circuit is positioned at the gas compartment more than described liquid level of electrolyte; In the described gas compartment, be connected with and outreach balanced pipeline; Internal balance gas circuit makes each battery compartment air pressure identical with the gas circuit balancer outreaching after balanced pipeline coordinates formation airtight, battery parameter also can be balanced because of the equilibrium of air pressure, guarantee the stability of battery output and the fail safe that battery is used, extended the useful life of battery.
accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the explosive view of an Application Example of the utility model;
Fig. 2 is the cutaway view of the utility model embodiment battery mounting;
Fig. 3 is I place enlarged drawing in Fig. 2;
Fig. 4 is the structural representation of the internal balance gas circuit of the utility model embodiment;
Fig. 5 is the scheme of installation that the utility model embodiment outreaches balanced pipeline;
Fig. 6 is the locking state schematic diagram that the utility model embodiment outreaches balanced pipeline;
Fig. 7 is the structural representation that the utility model is applied to group of battery modules;
Fig. 8 is the vertical view of an Application Example of the utility model;
In figure: 31-battery cover; 32-upper cover; 41-internal balance gas circuit; The balanced transverse tube of 42-; The balanced vertical tube of 43-; 44-equalized seal stops up; 45-expands tube connector; The balanced locking of 46-projection; The balanced locking of 47-draw-in groove; 61-battery mounting; 621-claw; 622-Ka Tai; 63-dovetail groove; 64-dovetails.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation, some one exemplary embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that not departing from spirit and scope of the present utility model, can to described embodiment, revise by various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection range of claim.
A Ni-MH battery gas circuit balancer, comprises housing, as shown in Figure 1, in described housing, be provided with some separate and sealing battery compartment, a battery is installed in battery compartment described in each, in described battery compartment, be also loaded with electrolyte;
As shown in Figure 4, between adjacent described battery compartment, be respectively equipped with the internal balance gas circuit 41 that is communicated with described battery compartment, described internal balance gas circuit 41 comprises the ventilation gap being arranged between adjacent described battery compartment, and described internal balance gas circuit 41 is positioned at the gas compartment more than described liquid level of electrolyte; In the described gas compartment, be connected with and outreach balanced pipeline, as shown in Figure 1, describedly outreach balanced pipeline and comprise the balanced transverse tube 42 being arranged on described housing, described balanced transverse tube 42 is provided with balanced vertical tube 43, as shown in Figure 5 and Figure 6, the two ends of described balanced transverse tube 42 are installed with equalized seal obstruction 44 or expansion tube connector 45, and described expansion tube connector is provided with balanced locking projection 46, and described housing is provided with and described balanced equilibrium locking draw-in groove 47 of locking projection 46 cooperations; Described equalized seal stops up on 44 and is also provided with and the described balanced equilibrium locking projection 46 that draw-in groove 47 is corresponding of locking.
As shown in Figure 1, described housing comprises the battery cover 31 that is positioned at described housing top, on described battery cover 31, upper cover 32 is installed, described battery cover 31 is provided with balanced pipeline hole, the bottom of described balanced vertical tube 43 is passed described balanced pipeline hole and is communicated with described internal balance gas circuit 41, between described balanced vertical tube 43 and described balanced pipeline hole, sealing ring is installed, described balanced locking draw-in groove 47 is arranged on described upper cover 32.
Internal balance gas circuit 41 with outreach balanced pipeline and form airtight balanced gas circuit and make each battery monomer air pressure identical, parameter also can be balanced because of the equilibrium of air pressure, guarantee that battery has stable output voltage, there will not be single battery overshoot and the Decrepitation Phenomena that causes
Between described battery compartment in a housing, by internal balance gas circuit 41, be communicated with, when a group of battery modules comprises a plurality of housing being set up in parallel, the battery compartment between adjacent housings is by outreaching balanced pipeline connection.Illustrate below.
Ni-MH battery module comprises gas circuit balancer described in the utility model, also comprises battery mounting 61, is arranged on the bottom of described housing by housing fixture, and two long sides of described battery mounting 61 are provided with expansion jockey; As shown in Figures 2 and 3, described housing fixture comprises the claw 621 that is separately positioned on described battery mounting 61 both sides, and described housing is provided with the card platform 622 coordinating with described claw 621.As shown in Figure 8, described expansion jockey comprises the dovetail groove 63 being arranged on described battery mounting 61 sides, and another side of described battery mounting 61 is provided with the dovetails 64 of mating with described dovetail groove 63.
When product only comprises a Battery pack module, the two ends of balanced transverse tube 42 are separately installed with an equalized seal and stop up 44; While only having a Battery pack module, balanced transverse tube 42 and equalized seal obstruction 44 can be removed, the balanced pipeline hole sealing on battery cover 31 is blocked.
When battery module that product comprises two groups or more, take that to comprise seven Battery pack modules be example, as shown in Figure 7, seven battery mountings 61 link together by dovetail groove 63 and dovetails 64, the upper cover 32 of each battery module is interior is all provided with a balanced transverse tube 42, expansion tube connector 45 is installed between adjacent balanced transverse tube 42, the outer end of the balanced transverse tube 42 of first battery module and the 7th battery module is sealed and installed with respectively equalized seal and stops up 44, balanced vertical tube 43 on balanced transverse tube 42 is communicated with corresponding internal balance gas circuit 41 by the balanced pipeline hole on corresponding battery cover 31, so balanced transverse tube 42, balanced vertical tube 43 and expansion tube connector 45 are communicated with the internal balance gas circuit of seven battery modules 41.
The fixed structure of battery module adopts fast-assembling mode, battery mounting 61 bottoms are provided with bolt hole, during installation, be fixed by bolts on vehicle, the both sides, long limit of battery mounting 61 are provided with dovetail groove 63 and the dovetails 64 cooperatively interacting, cooperation by dovetail groove 63 and dovetails 64 while assembling in groups connects together all battery mountings 61, battery mounting 61 minor face both sides are provided with claw 621, battery module is installed card platform 622 lockings that are pressed into rear claw 621 and battery case 11, and this structure facilitates to later maintenance.
Outreach balanced pipeline, battery cover 31 is provided with balanced pipeline hole, by balanced transverse tube 42, balanced vertical tube 43, expansion tube connector 45, the gas circuit of the battery module after is in groups connected, balanced transverse tube 42 is fixed on upper cover 32, after upper cover 32 is arranged on battery cover 31, balanced vertical tube 43 inserts in the balanced pipeline hole of battery covers 31, between have the sealing of O RunddichtringO.Between battery module, by expansion tube connector 45, connect, the two ends of expansion tube connector 45 are provided with O RunddichtringO, during connection, insert balanced transverse tube 42, gas circuit tail end in groups and top are provided with equalized seal and stop up 44, equalized seal stops up 44 and seals by O type circle with balanced transverse tube 42, two nose ends of upper cover 32 fixing balanced transverse tubes 42 are provided with balanced locking draw-in groove 47, expansion tube connector 45 and equalized seal stop up on 44 and are equipped with the equilibrium of balanced locking draw-in groove 47 cooperations and lock projection 46, after pipeline connects, equalized seal stops up 44, with expansion tube connector 45 90-degree rotations, equilibrium is locked to interior the fixing of projection 46 screw-in balanced locking draw-in grooves 47.The balanced gas circuit forming after airtight makes the air pressure in each battery compartment identical, and battery parameter also can be balanced because of the equilibrium of air pressure, there will not be single battery to overcharge and the Decrepitation Phenomena that causes.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the utility model design is suitable for special-purpose.
Claims (5)
1. a Ni-MH battery gas circuit balancer, is characterized in that, comprises housing, in described housing, be provided with some separate and sealing battery compartment, a battery is installed in battery compartment described in each, in described battery compartment, be also loaded with electrolyte; Between adjacent described battery compartment, be respectively equipped with the internal balance gas circuit that is communicated with described battery compartment, described internal balance gas circuit is positioned at the gas compartment more than described liquid level of electrolyte; In the described gas compartment, be connected with and outreach balanced pipeline.
2. Ni-MH battery gas circuit balancer as claimed in claim 1, is characterized in that, described internal balance gas circuit comprises the ventilation gap being arranged between adjacent described battery compartment.
3. Ni-MH battery gas circuit balancer as claimed in claim 1, it is characterized in that, describedly outreach balanced pipeline and comprise the balanced transverse tube being arranged on described housing, described balanced transverse tube is provided with balanced vertical tube, and the two ends of described balanced transverse tube are installed with that equalized seal stops up or expansion tube connector.
4. Ni-MH battery gas circuit balancer as claimed in claim 3, is characterized in that, described expansion tube connector is provided with balanced locking projection, and described housing is provided with the equilibrium locking draw-in groove coordinating with described balanced locking projection; Described equalized seal is also provided with the equilibrium locking projection corresponding with described balanced locking draw-in groove on stopping up.
5. Ni-MH battery gas circuit balancer as claimed in claim 4, it is characterized in that, described housing comprises the battery cover that is positioned at described housing top, on described battery cover, upper cover is installed, described battery cover is provided with balanced pipeline hole, the bottom of described balanced vertical tube is through described balanced pipeline hole and being communicated with described internal balance gas circuit, between described balanced vertical tube and described balanced pipeline hole, sealing ring is installed, and described equilibrium is locked draw-in groove and is arranged on described and covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168037.0U CN203826502U (en) | 2014-04-08 | 2014-04-08 | Gas circuit balancing device for nickel-metal hydride battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420168037.0U CN203826502U (en) | 2014-04-08 | 2014-04-08 | Gas circuit balancing device for nickel-metal hydride battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826502U true CN203826502U (en) | 2014-09-10 |
Family
ID=51481969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420168037.0U Withdrawn - After Issue CN203826502U (en) | 2014-04-08 | 2014-04-08 | Gas circuit balancing device for nickel-metal hydride battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943899A (en) * | 2014-04-08 | 2014-07-23 | 淄博贝林电子有限公司 | Nickel-hydrogen battery gas path equalization device |
-
2014
- 2014-04-08 CN CN201420168037.0U patent/CN203826502U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943899A (en) * | 2014-04-08 | 2014-07-23 | 淄博贝林电子有限公司 | Nickel-hydrogen battery gas path equalization device |
| CN103943899B (en) * | 2014-04-08 | 2015-12-09 | 淄博贝林电子有限公司 | A kind of Ni-MH battery gas circuit balancer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20151209 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |