CN213093261U

CN213093261U - Storage battery formation device

Info

Publication number: CN213093261U
Application number: CN202021352016.6U
Authority: CN
Inventors: 孟占巍
Original assignee: Ji'an Guanjia New Energy Development Co ltd
Current assignee: Ji'an Guanjia New Energy Development Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-30
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a storage battery formation device, which relates to the formation device field, and in order to achieve the purpose, the technical proposal of the utility model comprises a liquid storage cylinder and a rubber air bag; the bottom intercommunication of liquid storage cylinder has the feed liquor pipe, be equipped with vacuum branch pipe and buffering branch pipe on the drain pipe, be equipped with the valve on the vacuum branch pipe, buffering branch pipe and rubber air bag intercommunication, the buffering branch pipe is equipped with the intercommunication valve, the intercommunication valve includes valve section of thick bamboo and valve pearl, the both ends of valve section of thick bamboo be equipped with respectively with inlet and the liquid outlet of drain pipe intercommunication, the valve pearl set up in the valve section of thick bamboo, the valve pearl pass through the spring with valve section of thick bamboo internal connection, the spring will the valve pearl to the inlet promotes. Can provide sufficient space to cushion when the liquid storage cylinder space is not enough, avoid the electrolyte in the battery to spill over the outside.

Description

Storage battery formation device

Technical Field

The utility model relates to a storage battery becomes device mainly relates to becomes the device field.

Background

In the formation (pre-charging) process of the existing high-capacity lithium battery, when a battery pole piece and electrolyte are charged for the first time, gas and the electrolyte can overflow from the inside of the battery, the overflowed electrolyte needs to be replenished again, the hydrophilicity of the electrolyte is very strong, and the inside of the lithium battery is most afraid of moisture. The current battery manufacturers make the formation workshop into a drying room. Therefore, during the production process, the electrolyte is wasted for the first time; the second builds the drying room and needs the dehumidification unit, and the third, the dehumidification unit during operation needs a large amount of electric power. Patent document No. CN 202797164U discloses a formation cup for lithium battery formation, which is provided with a cup body for accommodating electrolyte, and this solution has many problems in use, because the space of the cup body is constant, the overflowed electrolyte still overflows the outside after the cup body is filled with electrolyte, and the internal space cannot be well adapted to the formation process.

SUMMERY OF THE UTILITY MODEL

To the not enough of above prior art, the utility model provides a storage battery ization becomes device can provide sufficient space when the liquid storage cylinder space is not enough and cushion, avoids the electrolyte in the battery to spill over the outside.

In order to achieve the above purpose, the technical scheme of the utility model is that: comprises a liquid storage cylinder and a rubber air bag; the bottom intercommunication of liquid storage cylinder has the feed liquor pipe, be equipped with vacuum branch pipe and buffering branch pipe on the drain pipe, be equipped with the valve on the vacuum branch pipe, buffering branch pipe and rubber air bag intercommunication, the buffering branch pipe is equipped with the intercommunication valve, the intercommunication valve includes valve section of thick bamboo and valve pearl, the both ends of valve section of thick bamboo be equipped with respectively with inlet and the liquid outlet of drain pipe intercommunication, the valve pearl set up in the valve section of thick bamboo, the valve pearl pass through the spring with valve section of thick bamboo internal connection, the spring will the valve pearl to the inlet promotes.

The technical principle and the beneficial effects of the utility model are as follows:

keep rubber gasbag minimum state before using, inside nearly no air promptly, be connected the notes liquid hole of feed liquor pipe and battery during the use, vacuum branch pipe intercommunication vacuum pump, through the vacuum pump evacuation in to the liquid storage cylinder, the vacuum cup can not be to the evacuation in the gasbag because the existence of valve pearl, then close the valve of vacuum branch pipe, become the operation to the battery, the electrolyte that spills over in the follow battery will enter into the liquid storage cylinder along the feed liquor pipe, if the space in the liquid storage cylinder is not enough the rubber gasbag can provide bigger space through the inflation deformation. The special structure of the valve bead can enable the electrolyte to smoothly enter the rubber air bag. Meanwhile, the electrolyte entering the rubber air bag cannot automatically flow back into the battery, so that the increase of pressure in the battery caused by phase change of the rubber air bag is avoided, and the overflow of the electrolyte in the battery is avoided. After the formation operation is finished, the electrolyte in the rubber air bag is fed into the battery.

Through the scheme, enough space can be provided for buffering when the space of the liquid storage cylinder is insufficient, and the situation that electrolyte in the battery overflows to the outside is avoided.

Preferably, the valve bead is an iron bead, the valve cylinder is sleeved with an annular magnet, after the formation operation is completed, the communicating valve can be opened through the position of the annular magnet for emptying the valve bead, and the electrolyte in the rubber air bag flows back to the battery.

Preferably, the valve ball is connected to one end of the liquid outlet of the valve cylinder through a spring, so that the spring is convenient to arrange.

Preferably, the upper end and the lower extreme of liquid storage barrel are equipped with the upper end cover and the lower end cover of screw thread lock respectively, the drain pipe is connected to the upper end cover, the feed liquor union coupling to the lower end cover, the dismouting of being convenient for maintenance liquid storage barrel.

Preferably, a sealing ring is arranged between the upper end cover and the liquid storage cylinder, so that the sealing performance of the upper end cover and the liquid storage cylinder is improved.

Preferably, a sealing ring is arranged between the lower end cover and the liquid storage cylinder, so that the sealing performance of the lower end cover and the liquid storage cylinder is improved.

Preferably, the middle part of the lower end cover is downwards concave, so that electrolyte in the liquid storage barrel can smoothly flow back into the battery.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only one of the drawings of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

Wherein, the liquid storage cylinder 1, the liquid outlet pipe 2, the liquid inlet pipe 3, the lower end cover 4, the upper end cover 5, the sealing ring 6, the vacuum branch pipe 7, the buffer branch pipe 8, the valve cylinder 9, the spring 10, the valve ball 11, the rubber airbag 12 and the annular magnet 13.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely preferred embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1, the embodiment of the present invention includes a liquid storage cartridge 1 and a rubber bladder 12.

The bottom intercommunication of liquid storage cylinder 1 has feed liquor pipe 3, be equipped with vacuum branch pipe 7 and buffering branch pipe 8 on the drain pipe 2, be equipped with the valve on the vacuum branch pipe 7, buffering branch pipe 8 and rubber gasbag 12 intercommunication, buffering branch pipe 8 is equipped with the intercommunication valve, the intercommunication valve includes valve barrel 9 and valve pearl 11, the both ends of valve barrel 9 be equipped with respectively with inlet and the liquid outlet of drain pipe 2 intercommunication, valve pearl 11 set up in the valve barrel, valve pearl 11 pass through spring 10 with valve barrel 9 internal connection, spring 10 will valve pearl 11 to the inlet promotes.

The valve ball 11 is an iron ball, the valve cylinder 9 is sleeved with the annular magnet 13, after the formation operation is completed, the communicating valve can be opened by the position of the valve ball 11 which is vacant by the annular magnet 13, and the electrolyte in the rubber air bag 12 flows back to the battery. The valve ball 11 is connected to one end of the liquid outlet of the valve cylinder 9 through a spring 10, so that the spring 10 is convenient to arrange.

The upper end and the lower extreme of liquid storage barrel 1 are equipped with upper end cover 5 and the lower end cover 4 of screw thread lock respectively, drain pipe 2 is connected to upper end cover 5, feed liquor pipe 3 is connected to lower end cover 4, the dismouting of being convenient for maintenance liquid storage barrel 1.

The upper end cover 5 with be equipped with sealing washer 6 between the liquid storage barrel 1, lower end cover 4 with be equipped with sealing washer 6 between the liquid storage barrel 1, improve the leakproofness of the two. The middle part of the lower end cover 4 is concave downwards, so that the electrolyte in the liquid storage cylinder 1 can smoothly flow back into the battery.

Keep rubber gasbag 12 minimum state before the use, inside nearly no air promptly, be connected the notes liquid hole of feed liquor pipe 3 and battery during the use, vacuum branch pipe 7 intercommunication vacuum pump, through the vacuum pump evacuation in to liquid storage barrel 1, the vacuum cup can not be to the evacuation in the gasbag because the existence of valve pearl 11, then close the valve of vacuum branch pipe 7, become the operation to the battery, the electrolyte that overflows in the battery will enter into liquid storage barrel 1 along feed liquor pipe 3, if the space in the liquid storage barrel 1 is not enough rubber gasbag 12 can provide bigger space through inflation deformation. The special structure of the valve ball 11 can make the electrolyte smoothly enter the rubber air bag 12. Meanwhile, the electrolyte entering the rubber air bag 12 cannot automatically flow back into the battery, so that the increase of pressure in the battery caused by phase change of the rubber air bag 12 is avoided, and the overflow of the electrolyte in the battery is avoided. After the formation operation is completed, the electrolyte in the rubber bladder 12 is fed into the battery.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The storage battery formation device is characterized by comprising a liquid storage cylinder (1) and a rubber air bag (12);

the bottom intercommunication of liquid storage cylinder (1) has feed liquor pipe (3), is equipped with vacuum branch pipe (7) and buffering branch pipe (8) on drain pipe (2), be equipped with the valve on vacuum branch pipe (7), buffering branch pipe (8) and rubber gasbag (12) intercommunication, buffering branch pipe (8) are equipped with the intercommunication valve, the intercommunication valve includes valve section of thick bamboo (9) and valve pearl (11), the both ends of valve section of thick bamboo (9) be equipped with respectively with inlet and the liquid outlet of drain pipe (2) intercommunication, valve pearl (11) set up in the valve section of thick bamboo, valve pearl (11) through spring (10) with valve section of thick bamboo (9) internal connection, spring (10) will valve pearl (11) to the inlet promotes.

2. A battery formation apparatus according to claim 1, characterized in that: the valve ball (11) is an iron ball, and the valve cylinder (9) is sleeved with an annular magnet (13).

3. A storage battery formation apparatus according to claim 2, characterized in that: the valve ball (11) is connected to one end of a liquid outlet of the valve cylinder (9) through a spring (10).

4. A battery formation apparatus according to claim 1, characterized in that: the upper end and the lower extreme of liquid storage barrel (1) are equipped with upper end cover (5) and lower extreme cover (4) of screw thread lock respectively, drain pipe (2) are connected to upper end cover (5), feed liquor pipe (3) are connected to lower extreme cover (4).

5. An accumulator formation device according to claim 4, characterized in that: and a sealing ring (6) is arranged between the upper end cover (5) and the liquid storage cylinder (1).

6. An accumulator formation device according to claim 4, characterized in that: and a sealing ring (6) is arranged between the lower end cover (4) and the liquid storage cylinder (1).

7. An accumulator formation device according to claim 4, characterized in that: the middle part of the lower end cover (4) is concave downwards.