CN216161896U - High battery leak protection liquid exhaust hole of security - Google Patents
High battery leak protection liquid exhaust hole of security Download PDFInfo
- Publication number
- CN216161896U CN216161896U CN202122171136.7U CN202122171136U CN216161896U CN 216161896 U CN216161896 U CN 216161896U CN 202122171136 U CN202122171136 U CN 202122171136U CN 216161896 U CN216161896 U CN 216161896U
- Authority
- CN
- China
- Prior art keywords
- column
- exhaust
- hole
- battery
- air inlet
- 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.)
- Active
Links
Images
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
Abstract
The utility model discloses a high-safety battery liquid leakage prevention exhaust hole, which relates to the technical field of batteries and comprises an exhaust column, a sealing hole and an alarm, wherein the exhaust column is provided with a threaded ring, the sealing hole penetrates through a battery shell, the sealing hole is provided with a threaded column, the threaded column is hermetically connected with the threaded ring, the exhaust column is provided with an exhaust hole, the exhaust column is provided with an insertion column, an air pressure bin is arranged in the insertion column, the exhaust column is provided with a fastening port, the fastening port is detachably provided with a press-in cover, the press-in cover is provided with an acid water filtering layer, the acid water filtering layer is connected with a funnel groove, the funnel groove is hermetically connected with the air pressure bin, the insertion column is connected with an air inlet column, the air inlet column is hermetically connected with a funnel opening of the funnel groove, a water sealing opening is arranged in the air inlet column, and a buoyancy ball is arranged at the water sealing opening. The utility model can prevent the battery liquid from leaking from the exhaust hole, and can block the acidic volatile matters in the gas from flowing back into the battery liquid, thereby preventing the environmental pollution.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a battery leakage-proof vent hole with high safety.
Background
Batteries are the most commonly used portable power supply equipment, and with the increasing awareness of environmental protection, rechargeable batteries are increasingly favored by consumers. The batteries are generally charged in series, so that a large charging current exists in the entire series battery pack during the charging process. When the battery pack is overcharged, the voltage of the battery rises rapidly with the increase of polarization, and rapid decomposition of the electrolyte in the battery is caused. The decomposition phenomenon can release great heat and a large amount of gas, so that the internal pressure of the battery is increased sharply, and finally the battery explodes, so that the battery shell is provided with more vent holes, the existing battery vent holes easily cause the overflow of the battery liquid, or the vent holes cannot play a role of exhausting when being blocked, therefore, the embodiment provides the vent hole which can prevent the leakage of the battery liquid from the vent holes, block the acid volatile matters in the gas from flowing back to the battery liquid, and is provided with the functions of emergency exhausting and alarming.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid leakage prevention exhaust hole of a battery, which has high safety, can prevent liquid of the battery from leaking from the exhaust hole, prevents acidic volatile matters in gas from blocking and flowing back into the liquid of the battery, prevents environmental pollution, has emergency exhaust and alarm functions, prevents dangerous situations when a device fails, has strong practicability and is suitable for popularization.
The utility model provides the following technical scheme: a battery liquid leakage prevention exhaust hole with high safety comprises an exhaust column, a sealing hole, a press-in cover and an alarm, wherein a threaded ring is fixedly arranged at the lower end of the exhaust column, the sealing hole penetrates through a battery case, the sealing hole is provided with a threaded column which is fixed on the battery case and matched with the threaded ring, the contact part of the threaded column and the threaded ring is hermetically connected, the exhaust column is provided with an exhaust hole in a penetrating manner, an insertion column is fixedly arranged at the lower end of the exhaust column, which is positioned at the center of a circle, an air pressure bin is arranged in the insertion column, the upper end of the exhaust column is provided with a fastening port in a penetrating manner, the press-in cover is detachably arranged in the fastening port, an acid water filtering layer is fixedly arranged at one end of the press-in cover, which is positioned in the exhaust column, a funnel groove is fixedly connected to the lower surface of the acid water filtering layer, the lower surface of the funnel groove is hermetically connected with the air pressure bin, the top end of the insertion column is fixedly connected with an air inlet column, the other end of the air inlet column is hermetically connected with the funnel opening of the funnel groove, the air inlet column is internally and fixedly provided with a water sealing port, and a buoyancy ball is arranged in the water sealing port in a sliding manner.
Preferably, the joint of the fastening opening and the press-in cover has friction force, the upper surface of the press-in cover is fixedly provided with a pull ring, one side of the exhaust column, which is positioned at the fastening opening, is fixedly provided with an alarm, the alarm is positioned at the press-in cover and is provided with a bending switch, and the bending switch is in a closed state when being bent.
Preferably, the upper end of the water sealing port is provided with an air inlet, the air inlet is hermetically connected with the contact part of the buoyancy ball, the lower end of the water sealing port is fixedly provided with a supporting pad, and the maximum diameter of the buoyancy ball is larger than the diameter of the air inlet and smaller than the diameter of the water sealing port.
Preferably, the air pressure cabin is provided with an air pressure balance hole penetrating through the insertion column, the air pressure balance hole is positioned in the battery and higher than the normal height of the battery liquid, and the water sealing port is positioned at the opening of the air inlet column and is positioned on the same plane with the air pressure balance hole.
The utility model has the beneficial effects that: can prevent battery liquid from leaking in the exhaust hole to in the acid volatile matter to in the gas blocks backward flow to battery liquid, prevent environmental pollution, and be equipped with urgent exhaust and alarming function, dangerous situation appears when preventing device trouble, the practicality is strong, specifically as follows:
(1) the utility model is provided with the exhaust column, the exhaust column is fixed on the battery shell through the rotation of the threaded ring and the threads of the threaded column, and is hermetically connected with the sealing hole after the exhaust column is fixed, so that the exhaust column is convenient to disassemble when the interior of the battery needs to be operated.
(2) The utility model is provided with the air pressure bin, the air pressure bin is the same as the air pressure in the battery through the air pressure balancing hole, when the device has a fault, the air pressure in the air pressure bin is increased along with the increase of the air pressure in the battery, the pressure is applied to the funnel groove, the press-in cover is detachably connected with the fastening port through the friction force, when the pressure applied to the funnel groove is larger than the friction force, the press-in cover is ejected out to drive the funnel groove to be separated from the air pressure bin, so that the air pressure bin is connected with the external air, the gas in the battery shell is discharged, and the battery explosion phenomenon with overlarge air pressure is prevented.
(3) The utility model is provided with the press-in cover, when the press-in cover is inserted into the fastening opening, the bending switch on the alarm is pressed to be bent, when the press-in cover bounces, the bending switch bounces back, and the alarm sounds to remind that the exhaust column has faults.
(4) The utility model is provided with a water sealing port, the battery liquid is blocked by the buoyancy ball in the water sealing port, when the battery liquid enters the water sealing port, the buoyancy ball floats upwards to seal the air inlet, so that the battery liquid cannot enter the air inlet column, and when the battery liquid descends, the buoyancy ball is supported by the supporting pad to enable the gas to freely pass through.
(5) The utility model is provided with the acid water filtering layer, when gas enters the acid water filtering layer, the volatile acid liquid in the gas is blocked by the acid water filtering layer, and the liquefied acid liquid flows back into the gas inlet column along the funnel groove and flows back into the battery liquid through the water sealing port, so that the gas generated by the battery is prevented from polluting the environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a semi-sectional view of the exhaust column of the present invention;
FIG. 4 is an enlarged view of the utility model at A;
labeled as: 1 battery case, 2 exhaust columns, 3 sealing holes, 4 threaded columns, 5 insertion columns, 6 threaded rings, 7 exhaust holes, 8 press-in covers, 9 pull rings, 10 alarms, 11 air pressure bins, 12 air inlet columns, 13 funnel grooves, 14 fastening ports, 15 acid water filtering layers, 16 bending switches, 17 water sealing ports, 18 buoyancy balls, 19 air pressure balancing holes, 20 jacking pads and 21 air inlets.
Detailed Description
The utility model will be further illustrated with reference to the following specific examples. These examples are intended to illustrate the utility model and are not intended to limit the scope of the utility model. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1-4, a battery leakage-proof vent hole with high safety comprises an exhaust column 2, a sealing hole 3, a press-in cover 8 and an alarm 10, wherein a threaded ring 6 is fixedly arranged at the lower end of the exhaust column 2, the sealing hole 3 penetrates through a battery case 1, the sealing hole 3 is provided with a threaded column 4 which is fixed on the battery case 1 and matched with the threaded ring 6, the contact part of the threaded column 4 and the threaded ring 6 is hermetically connected, the exhaust column 2 is provided with an exhaust hole 7 in a penetrating manner, gas in battery liquid is discharged from the exhaust hole 7, an insertion column 5 is fixedly arranged at the position of the center of a circle at the lower end of the exhaust column 2, an air pressure bin 11 is arranged in the insertion column 5, the internal air pressure of the battery is transmitted through the air pressure bin 11, a fastening port 14 is arranged at the upper end of the exhaust column 2 in a penetrating manner, the press-in cover 8 is detachably arranged in the fastening port 14, an acid water filtering layer 15 is fixedly arranged at one end of the press-in the exhaust column 8, filter gas through acid water filter layer 15, the fixed surface of acid water filter layer 15 lower surface is connected with funnel groove 13, funnel groove 13 lower surface and 11 sealing connection in atmospheric pressure storehouse, insert 5 top fixedly connected with air inlet column 12 of post, exhaust and acidizing fluid backward flow through air inlet column 12, the air inlet column 12 other end links to each other with the funnel mouth of funnel groove 13 is airtight, air inlet column 12 internal fixation is equipped with the mouth of a river 17, it is equipped with buoyancy ball 18 to slide in the mouth of a river 17, through buoyancy ball 18 when the battery liquid gushes out to the shutoff of mouth of a river 17.
Referring to fig. 2, a friction force is provided at a joint of the fastening opening 14 and the press-in cover 8, so that the press-in cover 8 can be ejected when the pressure in the air pressure chamber 11 is too high, a pull ring 9 is fixedly provided on the upper surface of the press-in cover 8, an alarm 10 is fixedly provided on one side of the exhaust column 2 located at the fastening opening 14, a bending switch 16 is provided at the position of the alarm 10 located at the press-in cover 8, the bending switch 16 is in a closed state when being bent, and whether the press-in cover 8 is ejected is sensed through the bending switch 16.
Referring to fig. 3-4, the upper end of the water sealing port 17 is provided with an air inlet 21, air passes through the air inlet 21, the contact part of the air inlet 21 and the buoyancy ball 18 is hermetically connected, the lower end of the water sealing port 17 is fixedly provided with a supporting pad 20, when the buoyancy ball 18 is naturally supported by the supporting pad 20, the lower opening of the water sealing port 17 is not blocked, and the maximum diameter of the buoyancy ball 18 is larger than the diameter of the air inlet 21 and smaller than the diameter of the water sealing port 17.
Referring to fig. 4, the air pressure chamber 11 is provided with an air pressure balance hole 19 penetrating the insertion column 5, the air pressure balance hole 19 is communicated with air pressure, the air pressure balance hole 19 is located in the battery and higher than the normal height of the battery liquid, so as to prevent the battery liquid from immersing the air pressure balance hole 19 to cause air pressure imbalance, and the water sealing port 17 is located at the opening of the air inlet column 12 and is on the same plane as the air pressure balance hole 19.
The battery liquid leakage prevention vent hole with high safety can prevent battery liquid from leaking from the vent hole, can block acidic volatile matters in gas from flowing back into the battery liquid, and prevents environmental pollution.
Specifically, referring to fig. 1-4, the battery liquid is fixed on the battery case 1 through the rotation of the threaded ring 6 and the threaded column 4, the battery liquid is blocked by the buoyancy ball 18 in the water sealing port 17, when the battery liquid enters the water sealing port 17, the buoyancy ball 18 floats upwards to seal the air inlet 21, so that the battery liquid cannot enter the air inlet column 12, when the battery liquid descends, the buoyancy ball 18 is supported by the supporting pad 21 to allow the gas to freely pass through, when the gas enters the acid water filtering layer 15, the acid liquid volatilized in the gas is blocked by the acid water filtering layer 15, and after being liquefied, the liquefied acid liquid flows back into the air inlet column 12 along the funnel groove 13 and flows back into the battery liquid through the water sealing port 17;
when the device breaks down, the air pressure in the air pressure bin 11 is increased along with the increase of the air pressure in the battery, the pressure is applied to the funnel groove 13, the press-in cover 8 is detachably connected with the fastening opening 14 through friction force, when the pressure applied to the funnel groove 13 is larger than the friction force, the press-in cover 8 is ejected out to drive the funnel groove 13 to be separated from the air pressure bin 11, the air pressure bin 11 is connected with the outside air, so that the gas in the battery shell 1 is discharged, when the press-in cover 8 is inserted into the fastening opening 14, the bending switch 16 on the alarm 10 is pressed to be bent, when the press-in cover 8 is popped, the bending switch 16 rebounds, and the alarm 10 sounds to remind that the fault occurs in the exhaust column 2.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The high-safety battery liquid leakage prevention exhaust hole comprises an exhaust column (2), a sealing hole (3), an press-in cover (8) and an alarm (10), and is characterized in that a threaded ring (6) is fixedly arranged at the lower end of the exhaust column (2), the sealing hole (3) penetrates through a battery shell (1), the sealing hole (3) is provided with a threaded column (4) which is fixedly arranged on the battery shell (1) and matched with the threaded ring (6), the contact part of the threaded column (4) and the threaded ring (6) is hermetically connected, the exhaust column (2) is provided with an exhaust hole (7) in a penetrating manner, the lower end of the exhaust column (2) is fixedly provided with an insertion column (5) at the circle center, an air pressure bin (11) is arranged in the insertion column (5), a fastening port (14) is arranged at the upper end of the exhaust column (2), the press-in cover (8) is detachably arranged in the fastening port (14), the fixed sour water filter layer (15) that is equipped with of one end that lid (8) are located exhaust column (2) impress, sour water filter layer (15) lower surface fixedly connected with funnel groove (13), funnel groove (13) lower surface and atmospheric pressure storehouse (11) sealing connection, insert post (5) top fixedly connected with air inlet column (12), the funnel mouth of air inlet column (12) other end and funnel groove (13) is airtight continuous, air inlet column (12) internal fixation is equipped with water sealing mouth (17), it is equipped with buoyancy ball (18) to slide in water sealing mouth (17).
2. The battery leakage-proof vent hole with high safety according to claim 1, wherein a joint of the fastening opening (14) and the press-in cover (8) has friction force, a pull ring (9) is fixedly arranged on the upper surface of the press-in cover (8), the vent pillar (2) is fixedly provided with an alarm (10) at one side of the fastening opening (14), the alarm (10) is provided with a bending switch (16) at the press-in cover (8), and the bending switch (16) is in a closed state when being bent.
3. The battery leakage-proof vent hole with high safety according to claim 1, wherein an air inlet (21) is arranged at the upper end of the water sealing port (17), the contact part of the air inlet (21) and the buoyancy ball (18) is hermetically connected, a supporting pad (20) is fixedly arranged at the lower end of the water sealing port (17), and the maximum diameter of the buoyancy ball (18) is larger than the diameter of the air inlet (21) and smaller than the diameter of the water sealing port (17).
4. The battery leakage-proof vent hole with high safety as claimed in claim 1, wherein the air pressure chamber (11) is provided with an air pressure balance hole (19) penetrating the insertion column (5), the air pressure balance hole (19) is located in the battery and higher than the normal height of the battery liquid, and the water sealing port (17) is located at the opening of the air inlet column (12) and is on the same plane as the air pressure balance hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171136.7U CN216161896U (en) | 2021-09-06 | 2021-09-06 | High battery leak protection liquid exhaust hole of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171136.7U CN216161896U (en) | 2021-09-06 | 2021-09-06 | High battery leak protection liquid exhaust hole of security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216161896U true CN216161896U (en) | 2022-04-01 |
Family
ID=80847445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122171136.7U Active CN216161896U (en) | 2021-09-06 | 2021-09-06 | High battery leak protection liquid exhaust hole of security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216161896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883739A (en) * | 2022-05-20 | 2022-08-09 | 天能新能源(湖州)有限公司 | Lithium battery top cover |
-
2021
- 2021-09-06 CN CN202122171136.7U patent/CN216161896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114883739A (en) * | 2022-05-20 | 2022-08-09 | 天能新能源(湖州)有限公司 | Lithium battery top cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206210970U (en) | Electrokinetic cell and its protection system and electric automobile | |
| US9428304B2 (en) | Overpressure security vent and exhaust device for a container | |
| US5660944A (en) | Multicell storage battery | |
| WO2005106991A3 (en) | Housing for a sealed electrochemical battery cell | |
| CN216161896U (en) | High battery leak protection liquid exhaust hole of security | |
| CN212004432U (en) | Explosion-proof relief valve of metalwork | |
| KR20090124110A (en) | Vent plug for ni-mh battery | |
| CN112923112A (en) | Valve body with ventilative explosion-proof trinity function of pressure release | |
| CN110620202A (en) | Explosion-proof valve for power battery | |
| CN203312394U (en) | Deepwater battery box | |
| US6949310B2 (en) | Leak proof pressure relief valve for secondary batteries | |
| CN109585748A (en) | A kind of power battery explosion protection structure | |
| CN102903866B (en) | Lithium ion battery | |
| CN112610738B (en) | Explosion-proof valve | |
| CN201868523U (en) | Lithium ion power battery with safety valve | |
| CN214662321U (en) | Valve body with ventilative explosion-proof trinity function of pressure release | |
| CN112648417B (en) | Pressure release device of power equipment | |
| CN201804935U (en) | Battery safety valve | |
| CN112002861B (en) | Battery explosion-proof valve | |
| CN201812870U (en) | Ball-type safety valve with power lithium batteries | |
| CN208722972U (en) | A kind of safe deflation structure of lithium dynamical battery shell | |
| CN207587920U (en) | A kind of explosion-proof type lithium ion battery | |
| CN220821822U (en) | Exhaust thimble type explosion-proof valve with moisture-proof function and sealing bag using same | |
| CN202363526U (en) | Early warning type anti-explosion plug for lithium battery | |
| CN219435947U (en) | New energy battery protection architecture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |