CN106784427B - Centralized automatic limiting short-circuit-preventing liquid supplementing and exhausting integrated storage battery pack - Google Patents
Centralized automatic limiting short-circuit-preventing liquid supplementing and exhausting integrated storage battery pack Download PDFInfo
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- CN106784427B CN106784427B CN201710029022.4A CN201710029022A CN106784427B CN 106784427 B CN106784427 B CN 106784427B CN 201710029022 A CN201710029022 A CN 201710029022A CN 106784427 B CN106784427 B CN 106784427B
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- 239000007788 liquid Substances 0.000 title claims abstract description 193
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 106
- 230000002265 prevention Effects 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims description 58
- 239000012530 fluid Substances 0.000 claims description 39
- 238000007667 floating Methods 0.000 claims description 27
- 239000000725 suspension Substances 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000001802 infusion Methods 0.000 claims description 7
- 238000002637 fluid replacement therapy Methods 0.000 claims 4
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000013022 venting Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/155—Lids or covers characterised by the material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention discloses a centralized automatic limiting short-circuit prevention liquid supplementing and exhausting integrated storage battery, wherein a liquid supplementing and exhausting combined cover is arranged at the upper part of a battery shell, the liquid supplementing and exhausting combined cover is tightly sealed with a polar plate group fixing plate at the upper part of the battery shell through bolts, an exhaust channel and a liquid supplementing channel are arranged at the upper part of the liquid supplementing and exhausting combined cover, connecting holes are respectively arranged at two ends of the exhaust channel and the liquid supplementing channel, an automatic limiting short-circuit prevention liquid supplementing unit is respectively arranged at the position, opposite to each independent cavity in the battery shell, of the liquid supplementing and exhausting combined cover between the exhaust channel and the liquid supplementing channel, each automatic limiting short-circuit prevention liquid supplementing and exhausting unit respectively comprises an exhaust port and a liquid supplementing port which are arranged on the liquid supplementing and exhausting combined cover, wherein the exhaust port is respectively communicated with the exhaust channel, and the liquid supplementing port is respectively communicated with the liquid supplementing channel. The invention has the advantages of convenient and quick operation, low cost, less maintenance and safe and reliable use.
Description
Technical Field
The invention belongs to the technical field of automatic liquid supplementing and exhausting storage battery packs, and particularly relates to a centralized automatic limiting short-circuit preventing liquid supplementing and exhausting integral storage battery pack.
Background
The secondary reaction of the electrolyzed water can occur in the process of charging the storage battery, and the storage battery is usedIn the process, water is continuously consumed and gas is generated, and the common positive electrode generates O 2 The negative electrode generates H 2 In the use process, the phenomenon that part of the single storage battery or the storage battery pack is entirely lack of liquid is inevitably formed. The original technical design of the storage battery adopts a mode that a larger liquid storage space is reserved on an internal polar plate of the storage battery, and more liquid is reserved in advance to realize the purpose of prolonging the maintenance period, and the original technology has the following defects: 1. in the use process, the liquid level of each single storage battery in the storage battery is required to be observed manually one by one, and the liquid is required to be replenished manually one by one through the liquid injection holes, so that the maintenance operation is very inconvenient, and the maintenance is frequent and difficult; 2. the volume specific capacity of the storage battery is lower because the storage space of the single storage battery is reserved. These drawbacks limit the development of high volumetric capacity and low maintenance technologies for open-cell batteries and the expansion of application fields.
Disclosure of Invention
The invention solves the technical problem of providing a centralized automatic limiting short-circuit prevention liquid supplementing and exhausting integrated storage battery, which adopts a sealed transfusion, a float-barrel switch valve, a gas outlet pipe or a liquid inlet pipe with gas storage and short-circuit prevention functions at a position of a fluid dividing drop sieve and a float-barrel switch of a porous expansion flow guiding area structure, realizes centralized automatic short-circuit prevention liquid supplementing and centralized gas exhausting of the storage battery, and is safe and reliable, replaces manual one-by-one maintenance, convenient and quick to use and operate, low in cost and less in maintenance, and effectively solves the technical problems of difficult limit and low safety of the operation of the liquid supplementing of the storage battery.
In order to solve the technical problems, the invention adopts the following technical scheme: a centralized automatic limiting short-circuit-preventing fluid infusion and exhaust integral storage battery pack is characterized in that: the upper part of the battery shell is provided with a fluid supplementing and exhausting combined cover which is tightly sealed with the battery cover, the upper part of the fluid supplementing and exhausting combined cover is provided with an exhaust channel and a fluid supplementing channel, two ends of the exhaust channel and the fluid supplementing channel are respectively provided with connecting holes, the position, opposite to each independent cavity in the battery shell, of the fluid supplementing and exhausting combined cover between the exhaust channel and the fluid supplementing channel is respectively provided with an automatic limiting short circuit preventing fluid supplementing unit, each automatic limiting short circuit preventing fluid supplementing unit respectively comprises an exhaust port and a fluid supplementing port which are arranged on the fluid supplementing and exhausting combined cover, wherein the exhaust port is respectively communicated with the exhaust channel, and the fluid supplementing port is respectively communicated with the fluid supplementing channel.
Further preferably, one end of the fluid infusion channel is sealed through an end cover, the other end of the exhaust channel is communicated with the concentrated liquid storage container through a connecting pipe, one end of the exhaust channel is communicated with the outside atmosphere through an exhaust one-way valve, and the other end of the exhaust channel is sealed through the end cover.
Further preferably, the automatic limiting short-circuit preventing air outlet pipe extending to the inside of the battery shell and having the air storage short-circuit preventing function is arranged below the air outlet opening in the automatic limiting short-circuit preventing supplementary liquid unit, the liquid inlet pipe extending to the inside of the battery shell is arranged below the supplementary liquid opening, a sealing nail matched with the liquid inlet pipe in a sliding sealing manner is arranged in the liquid inlet pipe, an annular sealing groove matched with the tail end of the liquid inlet pipe is arranged at the bottom of the sealing nail, the bottom end of the sealing nail is fixed on a floating barrel, the floating barrel floats in liquid, a diversion drip sieve is arranged on the sealing nail, a drip hole is formed in the diversion drip sieve, and the diversion drip sieve is positioned below the supplementary liquid opening and used for dispersing the liquid into discontinuous drip shapes.
Further preferably, a liquid inlet pipe extending to the inside of the battery shell and having a gas storage short-circuit prevention function is arranged below a liquid supplementing port in the automatic limiting short-circuit prevention liquid supplementing unit, a hollow sealing bowl is arranged on the inner side of the liquid supplementing port, a sealing nail matched with the hollow sealing bowl is arranged inside the liquid supplementing port, the bottom end of the sealing nail is fixedly connected with one end of a boosting lever, a suspension supporting rod is arranged at the lower part of a liquid supplementing and exhausting combined cover adjacent to the liquid inlet pipe, the other end of the boosting lever is fixedly connected with a floating barrel, the floating barrel floats in liquid, the boosting lever is hinged to the suspension supporting rod through a pin shaft, a diversion drip sieve is arranged at the bottom of the suspension supporting rod, drip holes are formed in the diversion drip sieve, and the diversion drip sieve is positioned below the liquid supplementing port and used for dispersing the liquid into discontinuous drip shapes.
Further preferably, a liquid inlet pipe extending to the inside of the battery shell and having a gas storage and short circuit prevention function is arranged below the liquid supplementing port in the automatic limiting short circuit prevention supplementary liquid unit, a liquid outlet which is bent upwards and communicated with the liquid inlet pipe is arranged at the tail end of the liquid inlet pipe, a hollow sealing bowl is arranged at the inner side of the liquid outlet, a sealing nail matched with the hollow sealing bowl is arranged in the liquid outlet, the top end of the sealing nail is fixedly connected with one end of a first reinforcing lever, the other end of the first reinforcing lever is hinged with one end of a connecting rod through a pin shaft, the other end of the connecting rod is hinged with one end of a second reinforcing lever through a pin shaft, the other end of the second reinforcing lever is fixedly connected with a floating barrel, the floating barrel floats in liquid, a first suspension support rod is arranged at the lower part of a liquid supplementing and exhausting combination cover adjacent to the sealing pin, a second suspension support rod is arranged at the lower part of the liquid supplementing and exhausting combination cover adjacent to the connecting rod through a pin shaft, the second reinforcing lever is hinged to the second suspension support rod through a pin shaft, a fluid dividing drip sieve is arranged at the bottom of the liquid outlet, and a drip sieve is arranged on the diversion drip sieve, and the drip sieve is positioned below the liquid dispersing liquid and is not used for dispersing the liquid.
Further preferably, the bottom of the diversion drip screen is provided with tapered drip holes.
Further preferably, a rubber sealing ring is arranged on the hollow sealing bowl.
Further preferably, a protective cover is provided on the upper portion of the battery case, and a heat radiation hole is provided on the protective cover.
Compared with the prior art, the invention has the following beneficial effects:
1. the liquid supplementing pipes which are connected in series and parallel are adopted to intensively supplement liquid to all the single storage batteries in the whole storage battery pack, so that the overflow of the liquid is effectively prevented, and the safety reliability and the less maintenance of the product are improved;
2. the exhaust pipes which are in series-parallel connection are shared to perform centralized unidirectional exhaust on all the single storage batteries in the whole storage battery pack, so that the overflow of liquid is effectively prevented, and the safety reliability and the few maintenance of the product are improved;
3. the single liquid supplementing point of the concentrated liquid storage container is utilized, only the liquid in the concentrated liquid storage container is required to be ensured, the liquid is prevented from being supplemented into the single storage battery one by one, the use and the operation are convenient and quick, the cost is low, and the maintenance is less;
4. when the storage battery is in a liquid shortage state, the floating barrel moves downwards, a plastic (or rubber) sealing nail which is indirectly or directly connected with the floating barrel moves, and the plastic (or rubber) sealing nail which is separated from the floating barrel is matched with the floating barrel to realize automatic liquid supplementing;
5. the air cylinder type short-circuit prevention protection cylinder at the floating cylinder switch of each single storage battery in the whole storage battery is adopted, the height of the cylinder around the floating cylinder switch is lower than the height of the automatic limiting floating cylinder switch, so that when the liquid level reaches or exceeds the cylinder bottom around the floating cylinder switch, the air in the air cylinder around the floating cylinder switch is always kept, the floating cylinder switch is prevented from being flooded by liquid, and the communication short circuit between the liquid added in the liquid adding process and the liquid in the storage battery is effectively prevented;
6. the two ends of the inside of the whole storage battery shell are reinforced by the cross reinforced lining plates, so that the deformation of the shell or the unstable electrical property caused by the expansion of the polar plate group can be prevented, and the stability and the reliability of the storage battery are ensured;
7. an automatic limiting short-circuit prevention device is arranged, so that concentrated automatic, limiting and short-circuit prevention for the concentrated filling of liquid in the single storage battery can be realized without visual inspection;
8. after the automatic limiting short-circuit prevention supplementary liquid device is adopted, the design of the internal liquid storage volume of the storage battery can be reduced, the quantity of active substances in the storage battery is increased, and the design and the actual volume specific capacity of the storage battery are further improved;
9. the connection of all the single storage batteries in the whole storage battery pack is the serial connection of the outer parts of the whole storage battery shells and the outer protective cover is added, so that the possibility of short circuit of internal liquid between adjacent single storage batteries is eliminated, and the performance stability and reliability of the storage battery pack are ensured;
10. the liquid supplementing and exhausting combined cover and the battery shell are firmly sealed by bolts, so that the sealing and maintainability of the storage battery are realized;
11. the integrated storage battery pack with the centralized automatic limiting, short circuit preventing, fluid supplementing and air exhausting functions can be applied to all integrated storage batteries and storage battery packs, and is not limited to be applied to a certain integrated storage battery and storage battery pack.
In summary, the centralized automatic limiting short-circuit-preventing fluid infusion and exhaust integral storage battery pack has obvious superiority, centralized fluid infusion and centralized exhaust gas infusion, avoids monomer maintenance one by one, prevents liquid overflow, improves product performance stability, safety and reliability, is convenient, simple and easy to operate, has low cost, and effectively solves the technical problem of difficult operation limit of the fluid infusion of the storage battery.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of an assembled structure of the present invention;
FIG. 3 is a schematic diagram of an assembly structure of a boost single lever automatic limiting short circuit preventing supplementary liquid unit in the invention;
FIG. 4 is a schematic view of the structure of the protective cover of the present invention;
FIG. 5 is a schematic diagram of the structure of the direct-connected automatic limiting short-circuit preventing replenishing liquid unit in the invention;
FIG. 6 is a schematic diagram of the structure of the boost single lever automatic limiting short circuit preventing supplementary liquid unit in the invention;
FIG. 7 is a schematic structural view of a boost double lever type automatic limiting short circuit preventing supplementary liquid unit in the invention;
FIG. 8 is a top view of a diverting drip screen according to the present invention;
fig. 9 is a side view of a fluid-dividing drop screen of the present invention.
In the figure: 1. the battery comprises a battery shell, 2, a fluid supplementing and exhausting combined cover, 3, a polar plate group fixing plate, 4, an exhaust channel, 5, a fluid supplementing channel, 6, an automatic limiting short circuit preventing fluid supplementing unit, 7, an exhaust port, 8, a fluid supplementing port, 9, a protective cover, 10, an air outlet pipe, 11, a liquid inlet pipe, 12, a sealing nail, 13, a float bucket, 14, a fluid dividing drop sieve, 15, a tapered drop hole, 16, a hollow sealing bowl, 17, a rubber sealing ring, 18, a force increasing lever, 19, a first force increasing lever, 20, a connecting rod, 21 and a second force increasing lever.
Detailed Description
The details of the present invention are described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, a centralized automatic limiting short-circuit prevention liquid supplementing and exhausting integrated storage battery pack comprises a battery shell 1, a polar plate group fixed on the battery shell 1 and liquid filled in the battery shell 1, wherein the inside of the battery shell 1 is divided into a plurality of independent chambers by a partition plate, the polar plate group is correspondingly arranged in each independent chamber, the upper part of the battery shell 1 is provided with a liquid supplementing and exhausting combined cover 2, the liquid supplementing and exhausting combined cover 2 is tightly sealed with a polar plate group fixing plate 3 at the upper part of the battery shell 1 through bolts, the upper part of the liquid supplementing and exhausting combined cover 2 is provided with an exhaust channel 4 and a liquid supplementing channel 5, two ends of the exhaust channel 4 and the liquid supplementing channel 5 are respectively provided with connecting holes, the positions, opposite to each independent chamber in the battery shell 1, of the liquid supplementing and exhausting combined cover 2 are respectively provided with an automatic limiting short-circuit prevention liquid supplementing unit 6, each automatic limiting short-circuit prevention liquid supplementing unit 6 respectively comprises an exhaust port 7 and a liquid supplementing port 8 arranged on the liquid supplementing and exhausting combined cover 2, the exhaust channel 7 is respectively communicated with the exhaust channel 4 through bolts, the polar plate group fixing plate 3 at the upper part of the battery shell 1, the liquid supplementing and the liquid supplementing channel 4 is respectively communicated with one end of the air collecting and the air collecting cover through a connecting valve 9, the other end of the exhaust channel is communicated with the air collecting channel 5, and the air collecting channel is communicated with the air collecting channel through the other end through the air collecting channel 5, and the air collecting channel is communicated with the air through one end through the air collecting channel and the air collecting channel 5, and the air collecting cover is communicated with the air.
Example 2
As shown in fig. 5, an air outlet pipe 10 extending to the inside of the battery housing 1 and having an air storage short-circuit prevention function is arranged below the air outlet 7 in the automatic limiting short-circuit prevention supplementary liquid unit 6, a liquid inlet pipe 11 extending to the inside of the battery housing 1 is arranged below the supplementary liquid inlet 8, a sealing nail 12 in sliding sealing fit with the liquid inlet pipe 11 is arranged in the liquid inlet pipe 11, an annular sealing groove matched with the tail end of the liquid inlet pipe 11 is arranged at the bottom of the sealing nail 12, the bottom end of the sealing nail 12 is fixed on a float 13, a diversion drip sieve 14 is arranged on the sealing nail 12, the diversion drip sieve 14 is positioned below the supplementary liquid inlet 8 and used for dispersing liquid into discontinuous drip shapes, and tapered drip holes 15 are arranged at the bottom of the diversion drip sieve 14 (as shown in fig. 8-9).
Example 3
As shown in fig. 6, a liquid inlet pipe 11 extending to the inside of the battery housing 1 and having a gas storage and short circuit prevention function is provided below the liquid supplementing opening 8 in the automatic limiting short circuit prevention liquid supplementing unit 6, a hollow sealing bowl 16 is provided inside the liquid supplementing opening 8, a rubber sealing ring 17 is provided on the hollow sealing bowl 16, a sealing nail 18 matched with the hollow sealing bowl 16 is provided inside the liquid supplementing opening 8, the bottom end of the sealing nail 18 is fixedly connected with one end of a boosting lever 19, a suspension strut is provided at the lower part of the liquid supplementing and exhausting combined cover 2 adjacent to the liquid inlet pipe 11, the other end of the boosting lever 19 is fixedly connected with a float 13, the float 13 floats in liquid, the boosting lever 19 is hinged on the suspension strut through a pin, a fluidization drip sieve 14 is provided at the bottom of the suspension strut, the fluidization drip sieve 14 is positioned below the liquid supplementing opening 8 and used for dispersing the liquid into discontinuous drip shapes, and a tapered drip hole 15 is provided at the bottom of the diversion drip sieve 14 (as shown in fig. 8-9).
Example 4
As shown in fig. 7, a liquid inlet pipe extending to the inside of the battery housing 1 and having a gas storage and short circuit prevention function is arranged below the liquid supplementing opening 8 in the automatic limiting and short circuit prevention liquid supplementing unit 6, a liquid outlet which is bent upwards and communicated with the liquid inlet pipe is arranged at the tail end of the liquid inlet pipe, a hollow sealing bowl 16 is arranged at the inner side of the liquid outlet, a rubber sealing ring 17 is arranged on the hollow sealing bowl 16, a sealing nail 18 matched with the hollow sealing bowl 16 is arranged inside the liquid outlet, the top end of the sealing nail 18 is fixedly connected with one end of a first reinforcing lever 20, the other end of the first reinforcing lever 20 is hinged with one end of a connecting rod 21 through a pin shaft, the other end of the connecting rod 21 is hinged with one end of a second reinforcing lever 22 through a pin shaft, the other end of the second reinforcing lever 22 is fixedly connected with a floating barrel 13, the floating barrel 13 floats in liquid, a first suspension support rod is arranged at the lower part of the liquid supplementing and exhausting combination cover 2 adjacent to the sealing nail 18, a second suspension support rod 18 is arranged at the lower part of the liquid supplementing and is adjacent to the liquid exhausting combination cover 2 through a pin shaft, the second suspension support rod 22 is arranged at the lower part of the liquid supplementing and is in a drop-shaped and is not provided with a drop-shaped flow distribution sieve 14, and a drop-shaped drop hole is formed by a drop-shaped sieve, and is formed by a drop-shaped, and is in a drop-shaped, and is formed by a drop sieve, and is in a drop-shaped, and is formed by a drop-shaped.
The working principle of the invention is as follows:
each single storage battery in the whole storage battery pack needs to be supplemented with liquid, and the original liquid supplementing mode is mainly to visually observe the liquid level in each single storage battery, and then supplement according to a liquid level marking line or adopt an inaccurate regular supplementing mode. The invention discloses a centralized automatic limiting short-circuit preventing liquid supplementing and exhausting storage battery pack which has the following technical scheme:
the liquid supplementing pipe and the exhaust pipe which can be connected in series and in series are shared, so that liquid and exhaust gas are intensively supplemented to each single storage battery in the whole storage battery pack, visual inspection and manual liquid supplementing are not needed to be carried out on single storage batteries one by one, and the gas is prevented from being exhausted everywhere.
The serial-parallel common liquid supplementing pipe is adopted to intensively supplement liquid for each single storage battery in the whole storage battery pack, so that the liquid is prevented from being supplemented into the single storage batteries one by one, and the liquid is prevented from overflowing.
The serial-parallel common exhaust pipe is adopted to perform centralized one-way valve type exhaust for all the single storage batteries in the whole storage battery pack, so that the gas is prevented from being discharged everywhere, and the liquid is prevented from overflowing.
When the accumulator lacks liquid, the float barrel moves downwards, the plastic (or rubber) sealing nail connected with the float barrel indirectly or directly moves, and the plastic (or rubber) sealing hole matched with the float barrel is separated to realize automatic replenishment of the electrolyte; when the liquid is replenished, the floating barrel moves upwards, the plastic (or rubber) sealing nail which is indirectly or directly connected with the floating barrel moves, and after the position reaches the set limit position, the plastic (or rubber) sealing hole matched with the position is closed to stop replenishing the liquid. Then, the liquid can continue to flow into the next single storage battery until all the storage batteries are supplemented to the preset height, so that the shortage of the storage batteries or overflow of multiple liquids can be avoided, and the reliability of the product performance is ensured.
The air cylinder type short-circuit prevention air outlet pipe or liquid inlet pipe at the liquid injection position of each single storage battery is adopted, the periphery of the switch is downwards designed with an air cylinder with a certain height for protection, after the liquid supplementing switch is closed, the air existence in the protection air cylinder at the floating barrel switch can be ensured no matter how high the liquid level is outside the air cylinder, the liquid is prevented from flooding the floating barrel switch, and the communication short circuit between the liquid in the liquid conveying pipe and the liquid in the storage battery is effectively prevented.
The two ends inside the whole storage battery shell are reinforced by the cross reinforced lining plates, so that the deformation of the shell or the unstable electrical property caused by the expansion of the polar plate group is prevented, and the stability and the reliability of the whole storage battery are ensured.
The connection of all the single storage batteries in the whole storage battery pack is the serial connection of the outer parts of the whole storage battery shells and the outer protective cover is added, so that the possibility of short circuit of internal and external liquid between adjacent single storage batteries is eliminated, and the performance stability and the reliability of the storage battery pack are ensured.
The liquid supplementing and exhausting combined cover and the battery shell are firmly sealed by bolts, so that the battery is sealed and maintainable.
While the basic principles of the invention have been shown and described, there are various changes and modifications to the invention, which fall within the scope of the invention as hereinafter claimed, without departing from the spirit and scope of the invention.
Claims (5)
1. A centralized automatic limiting short-circuit-preventing fluid infusion and exhaust integral storage battery pack is characterized in that: the upper part of the battery shell is provided with a fluid supplementing and exhausting combined cover which is tightly sealed with the battery cover, the upper part of the fluid supplementing and exhausting combined cover is provided with an exhaust channel and a fluid supplementing channel, two ends of the exhaust channel and the fluid supplementing channel are respectively provided with connecting holes, the positions, opposite to each independent cavity in the battery shell, of the fluid supplementing and exhausting combined cover between the exhaust channel and the fluid supplementing channel are respectively provided with an automatic limiting short circuit preventing fluid supplementing unit, each automatic limiting short circuit preventing fluid supplementing unit respectively comprises an exhaust port and a fluid supplementing port which are arranged on the fluid supplementing and exhausting combined cover, wherein the exhaust port is respectively communicated with the exhaust channel, and the fluid supplementing ports are respectively communicated with the fluid supplementing channel;
the automatic limiting short-circuit prevention auxiliary liquid unit comprises a battery shell, an air inlet pipe, a liquid inlet pipe, a sealing nail, a floating barrel, a diversion drip sieve and a liquid storage device, wherein the air outlet pipe extends to the inside of the battery shell and has the air storage short-circuit prevention function is arranged below an air outlet opening in the automatic limiting short-circuit prevention auxiliary liquid unit;
or a liquid inlet pipe which extends to the inside of the battery shell and has the gas storage and short circuit prevention function is arranged below a liquid supplementing port in the automatic limiting short circuit prevention liquid supplementing unit, a hollow sealing bowl is arranged at the inner side of the liquid supplementing port, a sealing nail matched with the hollow sealing bowl is arranged inside the liquid supplementing port, the bottom end of the sealing nail is fixedly connected with one end of a boosting lever, a suspension supporting rod is arranged at the lower part of a liquid supplementing and exhausting combined cover adjacent to the liquid inlet pipe, the other end of the boosting lever is fixedly connected with a floating barrel, the floating barrel floats in liquid, the boosting lever is hinged to the suspension supporting rod through a pin shaft, a diversion drip sieve is arranged at the bottom of the suspension supporting rod, and is provided with drip holes, and the diversion drip sieve is positioned below the liquid supplementing port and used for dispersing the liquid into discontinuous drip shapes;
or the automatic limiting short-circuit prevention liquid supplementing unit is characterized in that a liquid inlet pipe which extends to the inside of the battery shell and has a gas storage short-circuit prevention function is arranged below the liquid supplementing port, a liquid outlet which is bent upwards and communicated with the liquid inlet pipe is arranged at the tail end of the liquid inlet pipe, a hollow sealing bowl is arranged at the inner side of the liquid outlet, a sealing nail matched with the hollow sealing bowl is arranged in the liquid outlet, the top end of the sealing nail is fixedly connected with one end of a first reinforcing lever, the other end of the first reinforcing lever is hinged with one end of a connecting rod through a pin shaft, the other end of the connecting rod is hinged with one end of a second reinforcing lever through a pin shaft, the other end of the second reinforcing lever is fixedly connected with a floating barrel, the floating barrel floats in liquid, a first suspension supporting rod is arranged at the lower part of a liquid supplementing and exhausting combination cover adjacent to the sealing nail, a second suspension supporting rod is arranged at the lower part of the liquid supplementing and exhausting combination cover adjacent to the connecting rod through the pin shaft, the second reinforcing lever is hinged to the second suspension supporting rod through the pin shaft, a fluid dividing and a drop sieve is arranged at the bottom of the liquid outlet, and the drop dividing and the drop sieve is arranged below the drop dividing drop sieve and used for dispersing liquid to be discontinuous in the liquid.
2. The integrated battery pack for centralized automatic limiting short circuit prevention, fluid replacement and exhaust according to claim 1, wherein: one end of the liquid supplementing channel is sealed through an end cover, the other end of the exhaust channel is communicated with the concentrated liquid storage container through a connecting pipe, one end of the exhaust channel is communicated with the outside atmosphere through an exhaust one-way valve, and the other end of the exhaust channel is sealed through the end cover.
3. The integrated battery pack for centralized automatic limiting short circuit prevention, fluid replacement and venting according to any one of claim 1, wherein: the bottom of the diversion drip sieve is provided with tapered drip holes.
4. The integrated battery pack for centralized automatic limiting short circuit prevention, fluid replacement and exhaust according to claim 1, wherein: the hollow sealing bowl is provided with a rubber sealing ring.
5. The integrated battery pack for centralized automatic limiting short circuit prevention, fluid replacement and exhaust according to claim 1, wherein: the upper part of the battery shell is provided with a protective cover, and the protective cover is provided with a heat dissipation hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710029022.4A CN106784427B (en) | 2017-01-16 | 2017-01-16 | Centralized automatic limiting short-circuit-preventing liquid supplementing and exhausting integrated storage battery pack |
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| CN201710029022.4A CN106784427B (en) | 2017-01-16 | 2017-01-16 | Centralized automatic limiting short-circuit-preventing liquid supplementing and exhausting integrated storage battery pack |
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| CN106784427B true CN106784427B (en) | 2023-07-14 |
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| CN107658421A (en) * | 2017-09-20 | 2018-02-02 | 南通碧海电源有限公司 | A kind of lead-acid accumulator, which is concentrated, supplies sour water replanishing device |
| CN107666020A (en) * | 2017-11-12 | 2018-02-06 | 孔祥贵 | A kind of temperature control storage pond with cooling circulation automatic fluid filling function |
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