CN203883050U - Upper cover of accumulator, electrolytic bath of accumulator, accumulator and standby power supply - Google Patents
Upper cover of accumulator, electrolytic bath of accumulator, accumulator and standby power supply Download PDFInfo
- Publication number
- CN203883050U CN203883050U CN201420076168.6U CN201420076168U CN203883050U CN 203883050 U CN203883050 U CN 203883050U CN 201420076168 U CN201420076168 U CN 201420076168U CN 203883050 U CN203883050 U CN 203883050U
- Authority
- CN
- China
- Prior art keywords
- storage battery
- steam vent
- projection
- upper cover
- exhaust port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 12
- 239000000835 fiber Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The embodiment of the utility model discloses an upper cover of an accumulator, an electrolytic bath of the accumulator, the accumulator and a standby power supply, which can prevent potential safety hazards caused by the factor that air outlet are blocked by a splash board. The upper cover of the accumulator is characterized in that one or more bulges are formed around the air outlets and on one end surfaces, which face the inner part of the accumulator, of air outlet openings and the height of at least one bulge in the extension direction of the air outlets is more than 0.5 mm.
Description
Technical field
The utility model relates to battery manufacture field, relates in particular to a kind of upper cover of storage battery, electric groove, storage battery and the stand-by power supply of storage battery.
Background technology
Storage battery is in the time carrying out acid filling operation, and because the pressure of acid filling is larger, if directly allow acid solution directly inject the fibre diaphragm impacting in storage battery, fibre diaphragm may owing to being subject to the impact of acid solution, breakage causes internal short-circuit.Therefore, in the prior art, can between the acid-filling mouth (being steam vent) of storage battery and divider [of the electrolytic cell], splash-back be set, this splash-back can be a kind of plastic tab; In the time of acid filling, acid solution can directly flow to splash-back, relaxes the direct impact of acid solution, and acid solution is flowed between divider [of the electrolytic cell] slowly from the surrounding of splash-back, has avoided acid solution to impact the breakage that causes divider [of the electrolytic cell].
But the setting of splash-back has also caused another one problem, because storage battery is after carrying out charging operations, can produce a large amount of gas such as hydrogen, oxygen, need to lean on the steam vent in Storage Battery Top Cover body to discharge; But, these gases likely can be by splash-back jack-up, causes steam vent to stop up; Another kind of situation, because storage battery can be horizontal, also can erect and put, and in the time that battery is horizontal, splash-back will be shifted, and also likely stops up steam vent; If splash-back stops up steam vent, the gas producing just cannot be discharged smoothly, causes the pressure rises of storage battery content, may make storage battery produce deformation.
In the prior art, technical staff is provided with groove on the circular protrusion of the exhaust port of storage battery, and while making splash-back press close to described circular protrusion, gas still can flow out by this groove from steam vent.But, due to groove mouth of the prior art arrange large not, make the discharge situation of gas not ideal.
The utility model people after further study, groove mouth still can be blocked by splash-back after doing greatly, while specifically use due to battery, chemical reaction can be carried out in inside, in course of reaction, can heat release cause internal temperature to raise, splash-back temperature distortion, if groove mouth is done greatly blindly, also likely blocks groove mouth after splash-back distortion.
Utility model content
The upper cover for storage battery that the utility model provides, described upper cover comprises at least one exhaust port, described exhaust port has the steam vent that the inside of storage battery is communicated with ambient atmosphere, end face at described exhaust port in the face of one end of the inside of described storage battery is formed with one or more projections around described steam vent;
At the bearing of trend of described steam vent, the height of at least one projection in described each projection is more than 0.5mm.
The electric groove for storage battery that the utility model provides, described electric groove comprises at least one exhaust port, described exhaust port has the steam vent that the inside of storage battery is communicated with ambient atmosphere, end face at described exhaust port in the face of one end of the inside of described storage battery is formed with one or more projections around described steam vent;
At the bearing of trend of described steam vent, the height of at least one projection in described each projection is more than 0.5mm.
The storage battery that the utility model provides, comprising:
The above-mentioned upper cover for storage battery, and splash-back, this splash-back has pliability, and opposed with the described end face of described one end of described upper cover,
Described steam vent can be also used as the inlet that injects Acidic Liquid.
The stand-by power supply that the utility model provides, comprising: above-mentioned storage battery.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages:
In the upper cover of the utility model embodiment, end face at described exhaust port in the face of one end of the inside of described storage battery, around described steam vent, be formed with one or more projections, and, the height of described projection is more than 0.5mm, make in the time that splash-back is pressed close to described exhaust port, between steam vent and splash-back, form larger breach, be conducive to the outflow of gas; And, in the utility model embodiment, the summation of the width of described one or more projections is below 0.25 times of girth of described steam vent, even splash-back temperature distortion, the splash-back after the breach that described projection and splash-back form can not be deformed is blocked.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 be in the utility model embodiment upper cover towards a vertical view of internal storage battery one end;
Fig. 2 be in the utility model embodiment exhaust port towards the vertical view of internal storage battery one end;
Fig. 3 is a profile of exhaust port in the utility model embodiment;
Fig. 4 be in the utility model embodiment upper cover towards another vertical view of internal storage battery one end;
Fig. 5 is a schematic perspective view of exhaust port in the utility model embodiment;
Fig. 6 is a profile of exhaust port in the utility model embodiment;
Fig. 7 is the profile that in the utility model embodiment, exhaust port contacts with splash-back;
Fig. 8 is another profile that in the utility model embodiment, exhaust port contacts with splash-back;
Fig. 9 is another profile that in the utility model embodiment, exhaust port contacts with splash-back.
Description of reference numerals
10... exhaust port; 101... projection; 102... raised ring; 110... steam vent; 112... end face; 20... splash-back; A... the thickness of projection; B... the width of projection; H... the height of projection.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Below with reference to the accompanying drawings, embodiment of the present utility model is described.
Storage battery in the utility model embodiment is the storage battery using as so-called stand-by power supply such as such as uninterrupted power supply(ups), emergency power plant etc., possess: the inner electric groove that is divided into the approximate rectangular shape of several element cells by electric groove intermediate bulkheads, stop up the approximate rectangular tabular upper cover (as shown in Figure 1) of the upper opening of this electricity groove, and be accommodated in the battery unit of above-mentioned each element cell.Battery unit is for example respectively provided with respectively one in each element cell, and comprises positive and negative electrode plate and corresponding positive and negative electrode active material etc., in addition, is accommodated with the electrolyte that contains dilute sulfuric acid in electric groove.
Refer to Fig. 1, Fig. 1 be in the utility model embodiment upper cover towards a vertical view of internal storage battery one end, the upper cover of the storage battery that the utility model embodiment provides, comprise at least one exhaust port 10, described exhaust port 10 has the steam vent that the inside of storage battery is communicated with ambient atmosphere, and the upper cover of described storage battery comprises:
End face 112 at described exhaust port 10 in the face of one end of the inside of described storage battery is formed with raised ring 102 around described steam vent, is formed with one or more projections 101 on raised ring 102; Taking Fig. 4 as example, the surrounding of the steam vent in Fig. 4 is formed with two projections.
Here, exhaust port 10 extends along the direction perpendicular to drawing in Fig. 2 (being the above-below direction in Fig. 3), therefore this direction is called to the bearing of trend of exhaust port 10.And, by the steam vent around exhaust port 10 110 be circumferentially called around exhaust port 10 circumferentially, in the situation that steam vent 110 be circular hole as in this embodiment, this is circumferential is the circumferencial direction concentric with circular hole.And, will being called exhaust port 10 radially towards the direction at steam vent 110 center, in the situation that steam vent 110 is circular hole as in this embodiment, this is radially the radial direction of circular hole.
Although the steam vent 110 in the present embodiment is circular, is not limited in this, can be also square hole, slotted hole or polygonal hole.Correspondingly exhaust port 10 be circumferentially the circumferential direction around steam vent, exhaust port 10 be radially the direction circumferential vertical with this.
In addition, in the present embodiment, around steam vent 110, form raised ring 102, but be not limited in this, also can not form raised ring, and projection 101 is formed directly on end face 112.
Refer to Fig. 3, Fig. 3 is a profile of exhaust port 10 in the utility model embodiment, and at the bearing of trend of described steam vent, the height h of at least one projection 101 in described each projection 101 is more than 0.5mm;
Below 0.25 times of girth that is highly described steam vent for projection 101 more than 0.5mm in the summation of the circumferential width b of described steam vent in described projection 101.
Storage battery is carrying out acid filling when operation, and because the pressure of acid filling is larger, if directly allow acid solution directly inject the fibre diaphragm impacting in storage battery, fibre diaphragm may be subject to the impact of acid solution and breakage causes internal short-circuit.Therefore, between the acid-filling mouth (being steam vent) of storage battery and fibre diaphragm, splash-back is set, this splash-back can be a kind of plastic tab, in the time of acid filling, acid solution can directly flow to splash-back, the direct impact of buffering acid solution, makes acid solution slowly flow between fibre diaphragm from the surrounding of splash-back, has avoided acid solution to impact the breakage that causes fibre diaphragm.
Because storage battery is after carrying out charging operations, can produce a large amount of gas such as hydrogen, oxygen, need to lean on the steam vent in Storage Battery Top Cover to discharge; In actual applications, the gas of these generations likely can be by splash-back jack-up; In the utility model embodiment, in the time that splash-back is pressed close to described exhaust port 10, between steam vent and splash-back, form larger breach, be more conducive to the outflow of gas; And, in the utility model embodiment, the summation of the width of described one or more projection 101 is below 0.25 times of girth of described steam vent, even splash-back temperature distortion, the splash-back after the breach that described projection 101 and splash-back form can not be deformed is yet blocked.
In the utility model embodiment, preferred, in order to form larger breach between steam vent and splash-back, be convenient to the more effective outflow of gas, more than the height of each projection 101 can be set to 1mm on exhaust port 10.
In actual applications, have a kind of storage battery that exhaust port is set in electric groove, and the utility model embodiment is equally applicable to this scene, specific features comprises:
Described electric groove internal separation goes out to accommodate the element cell of the battery unit that can discharge and recharge, described electric groove comprises at least one exhaust port, described exhaust port has the steam vent that the inside of storage battery is communicated with ambient atmosphere, end face at described exhaust port in the face of one end of the inside of described storage battery is formed with one or more projections around described steam vent;
At the bearing of trend of described steam vent, the height of at least one projection in described each projection is more than 0.5mm.
In the above-mentioned scene that exhaust port is set in electric groove, about the feature of exhaust port is all followed, that the scene of exhaust port is set in upper cover is consistent, therefore, repeats no more herein.
Refer to Fig. 2, Fig. 2 be in the utility model embodiment exhaust port 10 towards the vertical view of internal storage battery one end, preferably, in described each projection 101 highly for more than 1mm projection 101 is more than 2mm at the thickness a radially of described steam vent, further, the thickness a of described projection 101 can be 2.15mm.Preferably, in described projection 101, be highly that the width b of projection 101 more than 0.5mm can be for 1mm.
Preferably, with the orthogonal cross section (plane as shown in Figure 2) of the bearing of trend of described steam vent in, in described each projection 101 highly for the sectional area of projection 101 more than 1mm is 2mm
2above.
Refer to Fig. 1, at the described end face of described one end of described exhaust port, around described steam vent, be formed with raised ring 102, in described projection 101, highly for projection 101 more than 1mm is arranged at described raised ring 102, its thickness radially at described steam vent is identical with described raised ring 102.Described raised ring 102 can be applicable in horizontal small-capacity cells, described raised ring 102 is set around steam vent can prevents the adverse current of electrolyte.
In order to get more information about the structure of exhaust port 10 in the utility model, refer to Fig. 5 and Fig. 6, Fig. 5 is a schematic perspective view of exhaust port 10 in the utility model embodiment, Fig. 6 is a profile of exhaust port 10 in the utility model embodiment.
Refer to Fig. 7 to Fig. 9, the storage battery in the utility model embodiment, comprising:
Upper cover described in the utility model embodiment, and splash-back, this splash-back has pliability, and opposed with the described end face of described one end of described upper cover, and the steam vent in described upper cover can be also used as the inlet that injects Acidic Liquid.
Preferably, described splash-back is for comprising polyolefinic resin plate, and its thickness is more than 0.1mm and below 2mm.
Preferably, described splash-back is for comprising polyolefinic resin plate, and its thickness can also be more than 0.1mm and below 1mm.
In the case of having used the resin plate with mentioned component and thickness, because splash-back is easily out of shape, therefore, if use exhaust port 10 in prior art that the scheme of big groove is set, steam vent is very large because splash-back is out of shape the possibility of blocking.
Owing to can obviously confirming effect of the present utility model, therefore being provided with in the storage battery of the resin plate with mentioned component and thickness, embodiment of the present utility model preferably uses the described upper cover of the utility model embodiment.
Preferably, the storage battery in the utility model embodiment can be control valve formula lead accumulator.
Compared with open lead accumulator, the air-tightness of control valve formula lead accumulator inside is high, therefore, because gas can not be discharged smoothly, to cause storage battery to produce the possibility of safety problem larger, in the situation that storage battery is control valve formula lead accumulator, use the upper cover of the described upper cover of the utility model embodiment as storage battery, there is higher fail safe.Owing to can obviously confirming effect of the present utility model, therefore the utility model is preferably applied to control valve formula lead accumulator.
In addition, above the utility model is applied to control valve formula lead accumulator is example, the lead accumulator of above-mentioned execution mode is illustrated, but also can be applied to opening lead accumulator.
Optionally, in the utility model embodiment, if the upper cover of storage battery, the end face at described exhaust port 10 in the face of one end of the inside of described storage battery, around described steam vent, be formed with a projection 101, the situation that splash-back is pressed close to steam vent as shown in Figure 7.
Optionally, in the utility model embodiment, if the upper cover of storage battery, end face at described exhaust port 10 in the face of one end of the inside of described storage battery, around described steam vent, be formed with two projections 101, and described two projections 101 are arranged along the diametric(al) of described steam vent, the situation that splash-back is pressed close to steam vent as shown in Figure 8.
Optionally, in the utility model embodiment, if the upper cover of storage battery, end face at described exhaust port 10 in the face of one end of the inside of described storage battery, around described steam vent, be formed with four projections 101, and described four projections 101 are in the periphery symmetry arrangement of described steam vent, the situation that splash-back is pressed close to steam vent as shown in Figure 9.
As shown in Figure 7 to 9, in the time having a projection 101, the breach minimum (relative above-mentioned three kinds of situations) forming between splash-back and exhaust port 10; In the time having two projections 101 to arrange along the diametric(al) of described steam vent, the breach maximum (relative above-mentioned three kinds of situations) forming between splash-back and exhaust port 10, but the imbalance that contacts of splash-back and exhaust port 10; When have four projections 101 at described steam vent periphery symmetry arrangement time, the breach moderate (relative above-mentioned three kinds of situations) forming between splash-back and exhaust port 10, the relative equilibrium that contacts of splash-back and exhaust port 10.
Be understandable that, in actual applications, the number that projection 101 is set at the periphery of described steam vent can be determined according to the actual requirements (as, manufacturing cost, the gas flow that storage battery produces and the material of splash-back etc.), be specifically not construed as limiting herein.
Storage battery described in the utility model embodiment can be used as stand-by power supply and uses, compared with other purposes, service time as stand-by power supply is longer, and the possibility that therefore produces potential safety hazard (splash-back as described in the utility model embodiment stops up the problem of steam vent) is higher.Owing to can obviously confirming effect of the present utility model, therefore the utility model is preferably applied to the lead accumulator of stand-by power supply.
The lead accumulator that above the utility model is applied to stand-by power supply is example, the storage battery of above-mentioned execution mode is illustrated, but also the utility model can be applied to the lead accumulator that engine start uses, the power supply of electric vehicles.
The above; it is only embodiment of the present utility model; but protection range of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (12)
1. for a upper cover for storage battery, described upper cover comprises at least one exhaust port, and described exhaust port has the steam vent that the inside of storage battery is communicated with ambient atmosphere, and the upper cover of described storage battery is characterised in that,
End face at described exhaust port in the face of one end of the inside of described storage battery is formed with one or more projections around described steam vent;
At the bearing of trend of described steam vent, the height of at least one projection in described each projection is more than 0.5mm.
2. the upper cover of storage battery according to claim 1, is characterized in that, below 0.25 times of girth that is highly described steam vent for projection more than 0.5mm in the summation of the circumferential width of described steam vent in described projection.
3. the upper cover of storage battery according to claim 1, is characterized in that, at least one of described each projection is highly more than 1mm.
4. the upper cover of storage battery according to claim 3, is characterized in that, is highly that projection more than 1mm is more than 2mm at the thickness radially of described steam vent in described each projection.
5. the upper cover of storage battery according to claim 3, is characterized in that, with the orthogonal cross section of the bearing of trend of described steam vent in, in described each projection highly for the sectional area of projection more than 1mm is 2mm
2above.
6. the upper cover of storage battery according to claim 3, is characterized in that, at the described end face of described one end of described exhaust port, around described steam vent, is formed with raised ring,
In described projection, highly for projection more than 1mm is arranged at described raised ring, its thickness radially at described steam vent is identical with described raised ring.
7. the electric groove for storage battery, its internal separation goes out to accommodate the element cell of the battery unit that can discharge and recharge, described electric groove comprises at least one exhaust port, described exhaust port has the steam vent that the inside of storage battery is communicated with ambient atmosphere, the electric groove of described storage battery is characterised in that
End face at described exhaust port in the face of one end of the inside of described storage battery is formed with one or more projections around described steam vent;
At the bearing of trend of described steam vent, the height of at least one projection in described each projection is more than 0.5mm.
8. a storage battery, is characterized in that, comprising: the upper cover in claim 1 to 6 described in any one; And splash-back, this splash-back has pliability, and opposed with the described end face of described one end of described upper cover,
Described steam vent can be also used as the inlet that injects Acidic Liquid.
9. storage battery according to claim 8, is characterized in that, described splash-back is for comprising polyolefinic resin plate, and its thickness is more than 0.1mm and below 2mm.
10. storage battery according to claim 8, is characterized in that, described splash-back is for comprising polyolefinic resin plate, and its thickness is more than 0.1mm and below 1mm.
11. storage batterys according to claim 8, is characterized in that, described storage battery is control valve formula lead accumulator.
12. 1 kinds of stand-by power supplies, is characterized in that, possess the storage battery described in any one in claim 8 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076168.6U CN203883050U (en) | 2014-02-21 | 2014-02-21 | Upper cover of accumulator, electrolytic bath of accumulator, accumulator and standby power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076168.6U CN203883050U (en) | 2014-02-21 | 2014-02-21 | Upper cover of accumulator, electrolytic bath of accumulator, accumulator and standby power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203883050U true CN203883050U (en) | 2014-10-15 |
Family
ID=51683522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420076168.6U Expired - Lifetime CN203883050U (en) | 2014-02-21 | 2014-02-21 | Upper cover of accumulator, electrolytic bath of accumulator, accumulator and standby power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203883050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111357132A (en) * | 2018-07-23 | 2020-06-30 | 株式会社Lg化学 | Secondary battery pack including cell frame having coating prevention part |
-
2014
- 2014-02-21 CN CN201420076168.6U patent/CN203883050U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111357132A (en) * | 2018-07-23 | 2020-06-30 | 株式会社Lg化学 | Secondary battery pack including cell frame having coating prevention part |
| US11621447B2 (en) | 2018-07-23 | 2023-04-04 | Lg Energy Solution, Ltd. | Secondary battery pack including cell frame with coating prevention part |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |