CN218482362U

CN218482362U - Accumulator cover for valve-controlled sealed accumulator

Info

Publication number: CN218482362U
Application number: CN202222237866.7U
Authority: CN
Inventors: 刘建楼; 李利通; 李玲; 邬会杰; 刘亚伟
Original assignee: Fengfan Co Ltd
Current assignee: Fengfan Co Ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-02-14
Anticipated expiration: 2032-08-25

Abstract

A storage battery cover for a valve-controlled sealed storage battery comprises a storage battery cover body and an exhaust cover, wherein the exhaust cover is buckled at the top of the storage battery cover body, the storage battery cover body is provided with a double exhaust structure, one-time exhaust is a primary air filter in a safety valve seat, double-time exhaust is a centralized exhaust channel arranged on the storage battery cover, the inlet of the centralized exhaust channel is positioned at the upper part of the storage battery cover body, the outlet of the centralized exhaust channel is positioned on the side wall of the storage battery cover, and the inlet of the centralized exhaust channel is provided with a secondary air filter. The beneficial effects of the utility model are as follows: 1. the storage battery cover body is designed with a double-safety exhaust structure, so that external gas can be effectively prevented from entering the storage battery, internal exhaust gas is prevented from being combusted, an external fire source is prevented from entering the storage battery, an acid filtering and explosion-proof effect is achieved, and the safety of the storage battery in exhaust is ensured; 2. the three-layer sealing structure is designed at the end pole, so that the pole is prevented from acid leakage, the phenomena of ignition and the like caused by corrosion and short circuit are avoided, and the safety performance of the storage battery is improved.

Description

Accumulator cover for valve-controlled sealed accumulator

Technical Field

The utility model relates to a battery pack, especially a battery cover for valve accuse formula seal battery.

Background

At present, with the development of cloud computing, 5G and large data centers, extremely high requirements are put forward on the safety of data computing and storage, and as a standby power supply-valve-controlled sealed storage battery of the large data center, the storage battery is a key element for guaranteeing the safe operation of the storage battery, so that higher requirements are put forward on the safety of the storage battery. The valve-controlled sealed accumulator is provided with an accumulator tank for installing the pole group, the upper part of the accumulator tank is provided with an accumulator cover, and the assembled accumulator tank and the assembled accumulator cover are thermally sealed into a whole. The following potential safety hazards exist in the discovery of current battery cover in the use: 1. a safety valve is arranged on the storage battery cover, the air pressure in the storage battery reaches a safety valve opening threshold value, the safety valve is opened, gas is separated out, acid liquor is filtered by the gas filter, and external fire sources possibly enter the storage battery in the process to cause the storage battery to implode; 2. the sealing performance of the joint of the storage battery cover and the terminal post is poor, and the phenomena of battery corrosion, short circuit, ignition and the like are easily caused by acid leakage and liquid leakage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses problem to solve prior art provides one kind through improving exhaust structure and end utmost point post seal structure, effectively eliminates the battery lid that is used for valve accuse formula seal accumulator of potential safety hazard.

The problem is realized with the following technical scheme:

the utility model provides a battery cover for valve accuse formula sealed battery, includes battery cover body and exhaust cover, and the exhaust cover lock is at battery cover body top, and battery cover body is equipped with dual exhaust structure, and wherein, a heavy exhaust is the primary air filter in the relief valve disk seat, and the dual exhaust is the concentrated exhaust passage that battery cover set up, concentrates the exhaust passage import and is located the upper portion of battery cover body, concentrates the exhaust passage export and is located the lateral wall of battery cover, concentrates the exhaust passage import and sets up the secondary air filter.

The above battery cover for a valve-regulated sealed battery is characterized in that: the utility model discloses a storage battery cover, including the storage battery cover body, the end utmost point post mounting groove of installation end utmost point post, end utmost point post upper portion is located end utmost point post mounting groove, sets up the three-layer seal between end utmost point post and the end utmost point post mounting groove, and the three-layer seal is sealed by supreme O shape circle down in proper order, pressure pad nut and resin glue sealing layer, and wherein the pressure pad nut closes with end utmost point post mounting groove screw thread soon, and the pressure pad nut bottom touches pressure O shape circle and seals, and the resin glue sealing layer is sealed on pressure pad nut upper portion, and end utmost point post top is visited out by resin glue sealing layer upper surface.

According to the storage battery cover for the valve-controlled sealed storage battery, the gas cavity is formed between the storage battery cover body and the exhaust cover, the inlet of the concentrated exhaust channel is located on the outer side of the single-cell safety valve seats on the two sides of the storage battery cover, the concentrated exhaust channel is L-shaped, the vertical channel of the concentrated exhaust channel is communicated with the inlet of the concentrated exhaust channel, the transverse channel of the concentrated exhaust channel is located between the two end poles, the tail end of the transverse channel of the concentrated exhaust channel is the outlet of the concentrated exhaust channel, and the inlet of the concentrated exhaust channel is provided with the outer air filter.

The end pole of the storage battery cover for the valve-controlled sealed storage battery is embedded, and the top of the end pole is lower than the platforms on the two sides of the storage battery cover.

The protective cover is arranged on the storage battery cover body and is installed in a plugging mode relative to the storage battery cover body, the protective cover is located on the upper portion of the end pole, and the end pole is covered by the protective cover.

The utility model has the advantages as follows: 1. the dual exhaust structure of battery cover body design, promptly: the double exhaust is a primary gas filtering piece in a safety valve seat, the double exhaust is a centralized exhaust channel designed in a storage battery cover, and the double exhaust can re-filter gas again to ensure that internal gas is discharged out of the storage battery discontinuously, so that external gas is effectively prevented from entering the storage battery, internal exhaust gas is prevented from burning and an external fire source is prevented from entering the storage battery, an acid filtering and explosion-proof effect is achieved, and the exhaust safety of the storage battery is ensured; 2. the end pole is provided with a three-layer sealing structure which is sequentially provided with an O-shaped ring seal, a pressure pad nut seal and a resin adhesive seal. The three-layer sealing structure can ensure that the pole does not creep acid and leak liquid, avoid the phenomena of ignition and the like caused by corrosion and short circuit, and improve the safety performance of the storage battery.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the battery cover with the exhaust cover and the protective hood removed;

FIG. 3 is a cross-sectional view (not to scale) of F-F of FIG. 2;

FIG. 4 is a schematic illustration (not to scale) of a three-layer seal configuration;

fig. 5 is a schematic structural view of the shield.

The reference numbers in the figures are: 1. a storage battery cover body 2 and an exhaust cover; 3. a protective cover; 4. a safety valve seat; 4-1, a primary air filter, 5 and a concentrated exhaust channel inlet; 5-1, a secondary air filter, 6 and a gas chamber; 7. Concentrating an exhaust passage; 8. an outlet of the centralized exhaust passage; 9. an O-shaped seal ring; 10. an end pole mounting groove; 11. a resin adhesive sealing layer; 12. an end pole column; 13. a pressure pad nut.

Detailed Description

Referring to fig. 1-3, the battery cover of the present invention comprises a battery cover body 1, the battery cover body is heat-sealed on the battery cell, and an exhaust cover 2 is installed on the battery cover body. The storage battery cover body is provided with a double exhaust structure. Wherein, the first exhaust is a primary air filter installed by a safety valve seat. The safety valve seat 4 is arranged on the storage battery cover corresponding to each single cell, the structure of the embodiment is 2 x 3, and six safety valve seats are arranged. A primary air filter 4-1 is arranged on a clamping seat in each safety valve seat. When gas passes through, the acid liquor can be filtered out, flows back into the battery after cooling, and when the air pressure in the storage battery reaches the safety valve opening threshold value, the safety valve is opened, and the gas is separated out after passing through the primary gas filtering piece. The double exhaust is a concentrated exhaust channel 7 arranged on the storage battery cover, a gas chamber 6 is formed between the storage battery cover and the exhaust cover, an inlet 5 of the concentrated exhaust channel is positioned on the upper part of the storage battery cover, is close to one side of an end pole 12 and is positioned between two side safety valve seats, and a secondary air filter 5-1 is arranged at the inlet of the concentrated exhaust channel. The outlet 8 of the concentrated exhaust channel is positioned on the side wall of the storage battery cover, and when the storage battery is used, the exhaust gas at the outlet of the concentrated exhaust channel is led out by the pipeline. The concentrated exhaust channel is L-shaped, the vertical channel of the concentrated exhaust channel is communicated with the inlet of the concentrated exhaust channel, and the tail end of the transverse channel of the concentrated exhaust channel is the outlet of the concentrated exhaust channel. The gas separated out by the primary gas filter enters the gas chamber, is filtered by the secondary gas filter and is discharged through the outlet of the concentrated exhaust passage. Above-mentioned double exhaust structure can make the battery internal gas discharge battery discontinuously to can effectively prevent outside gas to get into in the battery, prevent that inside exhaust gas from burning and outside burning source from getting into, play the explosion-proof effect of acid filtering, ensure battery exhaust safety.

Referring to fig. 4, the utility model discloses the acid problem is climbed to the solution terminal has carried out following improvement: the position that the storage battery lid body corresponds end utmost point post is equipped with end utmost point post mounting groove 10, and end utmost point post 12 is located end utmost point post mounting groove, sets up the three-layer seal between end utmost point post and the end utmost point post mounting groove: the three-layer sealing is sequentially provided with an O-shaped sealing ring 9, a pressure pad nut 13 and a resin adhesive sealing layer 11 from bottom to top. The O-shaped sealing ring is positioned at the bottom of the end pole mounting groove, the pressure pad nut is screwed with the end pole mounting groove in a threaded manner, and a gap between the pressure pad nut and the sealing groove is sealed, so that a better sealing effect is achieved; the inner hole of the pressure pad nut is matched with the end pole hole shaft, and the bottom of the pressure pad nut is contacted with the O-shaped ring for sealing so as to ensure the deformation and sealing of the O-shaped sealing ring; and the resin adhesive sealing layer is sealed on the upper part of the pressure pad nut to form a third sealing barrier. The three-layer sealing structure fully blocks acid-creeping gaps, ensures that the end pole does not generate acid-creeping liquid leakage, avoids the phenomena of ignition and the like caused by corrosion and short circuit, and ensures safety. The top of the end pole is extended out from the upper surface of the resin adhesive sealing layer. The end pole 12 is embedded, and the top height of the end pole is lower than the platforms on the two sides of the storage battery cover body, so that the end pole can be protected.

Referring to fig. 1 and 5, the protective cover 3 is arranged on the storage battery cover body, the protective cover is installed in a plugging mode relative to the storage battery cover body, disassembly and assembly can be facilitated, the protective cover is located on the upper portion of the end pole, and covers the end pole and plays a role in protecting the end pole.

Claims

1. The utility model provides a battery cover for valve accuse formula sealed storage battery, includes battery cover body and exhaust cover, the exhaust cover lock is at battery cover body top, its characterized in that: the accumulator cover body is provided with a double-exhaust structure, wherein one-time exhaust is a primary air filter in a safety valve seat, the double-exhaust is a concentrated exhaust channel arranged on the accumulator cover, the inlet of the concentrated exhaust channel is positioned on the upper part of the accumulator cover body, the outlet of the concentrated exhaust channel is positioned on the side wall of the accumulator cover, and the inlet of the concentrated exhaust channel is provided with a secondary air filter.

2. The battery cover for a valve-regulated sealed battery according to claim 1, wherein: the utility model discloses a storage battery cover, including the storage battery cover body, the end utmost point post mounting groove of installation end utmost point post, end utmost point post upper portion is located end utmost point post mounting groove, sets up the three-layer seal between end utmost point post and the end utmost point post mounting groove, and the three-layer seal is sealed by supreme O shape circle, pressure pad nut and the resin sealing layer of being in proper order down, and wherein the pressure pad nut closes with end utmost point post mounting groove screw thread soon, and the pressure pad nut bottom touches pressure O shape circle and seals, and the resin sealing layer is sealed on pressure pad nut upper portion, and end utmost point post top is visited out by the resin sealing layer upper surface.

3. The battery cover for a valve-regulated sealed battery according to claim 2, wherein: constitute gaseous cavity between battery cover body and the exhaust cover, concentrate the exhaust passage import and be located the outside of battery cover two limit portion single check safety valve seats, concentrate the exhaust passage and be L shape, concentrate the exhaust passage's vertical passageway intercommunication and concentrate the exhaust passage import, concentrate the transverse passage of exhaust passage and be located between two end utmost points post, concentrate the exhaust passage's transverse passage end promptly for concentrating the exhaust passage export, concentrate the exhaust passage import and set up outer air filter.

4. The battery cover for a valve-regulated sealed battery according to claim 3, wherein: the end pole is embedded, and the top of the end pole is lower than the platforms at the two sides of the storage battery cover.

5. The battery cover for a valve-regulated sealed battery according to claim 4, wherein: still be equipped with the protection casing on the cover body, the relative cover body plug installation of protection casing, the protection casing is located end utmost point post upper portion, and the protection casing covers end utmost point post.