CN211576448U - Quick monitoring devices of cylindrical lithium ion battery internal gas pressure - Google Patents

Quick monitoring devices of cylindrical lithium ion battery internal gas pressure Download PDF

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Publication number
CN211576448U
CN211576448U CN202020405579.0U CN202020405579U CN211576448U CN 211576448 U CN211576448 U CN 211576448U CN 202020405579 U CN202020405579 U CN 202020405579U CN 211576448 U CN211576448 U CN 211576448U
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lithium ion
ion battery
metal plate
base
lower metal
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CN202020405579.0U
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张亚丽
宋志昱
田始俊
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Shandong paizhi New Energy Technology Co., Ltd
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Shandong Delangneng New Energy Technology Co ltd
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Abstract

The utility model discloses a quick monitoring devices of cylindrical lithium ion battery internal gas pressure, concretely relates to lithium ion battery technical field, which comprises a housin, the below of casing can be dismantled and is connected with the base, a plurality of installation cavity has been seted up to the inside circumferencial direction of casing, the epicoele has been seted up to the inside upside of casing, the metal sheet under the inside fixedly connected with of base, a plurality of through-hole has been seted up to the circumferencial direction of metal sheet upper end down. The utility model discloses a be equipped with casing, base, installation cavity, epicoele, lower metal sheet, through-hole, pressure transmitter and guiding mechanism, compare with prior art, be favorable to carrying out the monitoring of inside gas pressure to multisection lithium ion battery simultaneously, need not to use a plurality of devices can accomplish, the installation is also comparatively simple, through the adjustment to guiding mechanism, can make compressing tightly of lithium ion battery more firm, monitors multisection lithium ion battery simultaneously, also makes the monitoring combine more accurate.

Description

Quick monitoring devices of cylindrical lithium ion battery internal gas pressure
Technical Field
The utility model relates to a lithium ion battery technical field, more specifically say, the utility model relates to a quick monitoring devices of cylindrical lithium ion battery internal gas pressure.
Background
The lithium ion battery is a secondary battery (rechargeable battery), takes a carbon material as a negative electrode, takes a lithium-containing compound as a positive electrode, has no metal lithium and only lithium ions, and mainly depends on the movement of the lithium ions between the positive electrode and the negative electrode to work.
The existing gas pressure monitoring device inside the cylindrical lithium ion battery can only monitor one section at a time, and if multiple sections need to be monitored simultaneously, a plurality of monitoring devices are needed, the cost is also improved due to the increase of the number, and the operation is time-consuming.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a quick monitoring devices of cylindrical lithium ion battery internal gas pressure, the utility model aims to solve the technical problem that: the existing internal gas pressure monitoring device of the cylindrical lithium ion battery can only monitor one section at a time.
In order to achieve the above object, the utility model provides a following technical scheme: a quick monitoring device for gas pressure inside a cylindrical lithium ion battery comprises a shell, wherein a base is detachably connected below the shell, a plurality of installation cavities are formed in the shell in the circumferential direction, an upper cavity is formed in the upper side of the shell, a lower metal plate is fixedly connected inside the base, a plurality of through holes are formed in the circumferential direction of the upper end of the lower metal plate, one end of the lower metal plate extends to the outer side of the base, a pressure transmitter is connected to the middle of the bottom end of the base through threads, an adjusting mechanism is arranged at the upper end of the shell and comprises an adjusting sleeve, the bottom end of the adjusting sleeve is rotatably connected with the middle of the upper end of the shell, an anode binding post is connected to the middle of the adjusting sleeve through threads, a square elongated slot is formed in the bottom end of the anode binding post, and a square connecting post is movably, the inboard activity of epicoele is equipped with the metal sheet, the bottom of square spliced pole and the upper end fixed connection of last metal sheet, the outside cover of square spliced pole is equipped with the spring, the both ends of going up the spring respectively with the bottom of anodal terminal, the upper end fixed connection of going up the metal sheet, the inboard of a plurality of installation cavity all is equipped with lithium ion battery, lithium ion battery's anodal and last metal sheet laminating, lithium ion battery's negative pole and the laminating of metal sheet down, the air vent has been seted up to the bottom of lithium ion battery negative pole.
When the lithium ion battery is installed, the lithium ion battery is firstly placed in the installation cavity, then the through hole is aligned with the lithium ion battery, the base is installed on the shell, the anode of the lithium ion battery abuts against the upper metal plate, the upper spring is compressed, if the upper metal plate and the lithium ion battery are not firmly compressed, the adjusting sleeve can be rotated, the adjusting sleeve drives the anode binding post to move downwards to press the upper spring, so that the pressing force between the upper metal plate and the lithium ion battery is increased, when the pressure inside the lithium ion battery is monitored, the lower metal plate is connected with the negative pole of the power supply, the anode binding post is connected with the negative pole of the power supply, the pressure transmitter is electrically connected with the power supply, and then monitoring can be carried out.
In a preferred embodiment, a negative terminal is arranged on the outer side of the base, and the negative terminal is fixedly connected with one end of the lower metal plate, so that the negative electrode of the power supply is conveniently and electrically connected with the lower metal plate.
In a preferred embodiment, the number of the mounting cavities and the number of the through holes are the same, and the mounting cavities correspond to the through holes one by one.
In a preferred embodiment, a plurality of sealing rings positioned outside the through holes are bonded and fixed above the lower metal plate to play a role of sealing and prevent gas from escaping.
In a preferred embodiment, a plurality of support columns are arranged below the lower metal plate, two ends of each support column are fixedly connected with the bottom end of the lower metal plate and the bottom surface of the inner side of the base respectively, and the support columns support the lower metal plate, so that the stability of the lower metal plate is improved.
In a preferred embodiment, both sides of the housing are provided with side grooves, the inner sides of the side grooves are movably provided with a sloping block, the inner sides of the side grooves are provided with side springs, both ends of each side spring are fixedly connected with one end of each sloping block and the end wall of each side groove, and the sloping blocks can slide in the side grooves.
In a preferred embodiment, both sides of the upper end of the base are fixedly connected with buckles, and the upper ends of the buckles are fixedly clamped with the top ends of the inclined blocks, so that the shell and the base are conveniently mounted.
In a preferred embodiment, a pressing block is fixedly connected above the inclined block, and the pressing block is pressed down to be separated from the inclined block after being clamped, so that the inclined block is convenient to detach.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a through being equipped with casing, base, installation cavity, epicoele, lower metal sheet, through-hole, pressure transmitter and guiding mechanism, compare with prior art, be favorable to carrying out the monitoring of inside gas pressure to multisection lithium ion battery simultaneously, need not to use a plurality of devices can accomplish, the installation is also comparatively simple, through the adjustment to guiding mechanism, can make compressing tightly of lithium ion battery more firm, monitor multisection lithium ion battery simultaneously, also make the monitoring combine more accurate;
2. the utility model discloses a be equipped with side channel, sloping block, side spring, buckle and press the briquetting, compare with prior art, be favorable to the block through buckle and sloping block, make things convenient for the installation of casing and base, press the briquetting through pressing, can conveniently dismantle, avoided the trouble that threaded connection dismantled.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the housing of the present invention.
Fig. 3 is a schematic structural view of the lower metal plate of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 5 is a partial enlarged view of the point B in fig. 1 according to the present invention.
The reference signs are:
the device comprises a shell 1, a base 2, an installation cavity 3, an upper cavity 4, a lower metal plate 5, a through hole 51, a pressure transmitter 6, an adjusting mechanism 7, an adjusting sleeve 71, a positive terminal 72, a square elongated slot 73, a square connecting column 74, an upper metal plate 75, an upper spring 76, a lithium ion battery 8, an air vent 81, a negative terminal 9, a sealing ring 110, a supporting column 120, a side groove 130, an inclined block 131, a side spring 132, a buckle 140 and a pressing block 150.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not 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.
The utility model provides a cylindrical lithium ion battery internal gas pressure rapid monitoring device, which comprises a shell 1, a base 2 is detachably connected below the shell 1, a plurality of installation cavities 3 are arranged in the circumferential direction inside the shell 1, an upper cavity 4 is arranged on the upper side inside the shell 1, a lower metal plate 5 is fixedly connected inside the base 2, a plurality of through holes 51 are arranged in the circumferential direction on the upper end of the lower metal plate 5, one end of the lower metal plate 5 extends to the outer side of the base 2, a pressure transmitter 6 is connected in the middle of the bottom end of the base 2 through threads, an adjusting mechanism 7 is arranged on the upper end of the shell 1, the adjusting mechanism 7 comprises an adjusting sleeve 71, the bottom end of the adjusting sleeve 71 is rotatably connected with the middle of the upper end of the shell 1, an anode binding post 72 is connected in the middle of the adjusting sleeve 71 through threads, the lithium ion battery assembly comprises a positive terminal 72, a plurality of installation cavities 3 and a plurality of lithium ion batteries 8, wherein a square elongated slot 73 is formed in the bottom end of the positive terminal 72, a square connecting column 74 is movably arranged on the inner side of the square elongated slot 73, an upper metal plate 75 is movably arranged on the inner side of the upper cavity 4, the bottom end of the square connecting column 74 is fixedly connected with the upper end of the upper metal plate 75, an upper spring 76 is sleeved on the outer side of the square connecting column 74, two ends of the upper spring 76 are fixedly connected with the bottom end of the positive terminal 72 and the upper end of the upper metal plate 75 respectively, the lithium ion batteries 8 are arranged on the inner sides of the installation cavities 3, the positive electrodes of the lithium ion batteries 8 are attached to the upper metal plate 75, the.
The outer side of the base 2 is provided with a negative terminal 9, and the negative terminal 9 is fixedly connected with one end of the lower metal plate 5.
The mounting cavities 3 and the through holes 51 are the same in number.
A plurality of sealing rings 110 positioned outside the through holes 51 are fixedly bonded above the lower metal plate 5.
A plurality of supporting columns 120 are arranged below the lower metal plate 5, and two ends of the plurality of supporting columns 120 are fixedly connected with the bottom end of the lower metal plate 5 and the bottom surface of the inner side of the base 2 respectively.
As shown in fig. 1 to 4, the embodiment specifically is: when the lithium ion battery 8 is installed, firstly, the lithium ion battery 8 is placed in the installation cavity 3, then the through hole 51 is aligned with the lithium ion battery 8, the base 2 is installed on the shell 1, the anode of the lithium ion battery 8 is abutted against the upper metal plate 75, the upper spring 76 is compressed, if the upper metal plate 75 and the lithium ion battery 8 are not firmly pressed, the adjusting sleeve 71 can be rotated, the adjusting sleeve 71 drives the anode binding post 72 to move downwards to press the upper spring 76, so that the pressing force between the upper metal plate 75 and the lithium ion battery 8 is increased, when the pressure in the lithium ion battery 8 is monitored, the lower metal plate 5 is connected with the negative electrode of a power supply, the anode binding post 72 is connected with the negative electrode of the power supply, the pressure transmitter 6 is electrically connected with the power supply, then, monitoring can be carried out, the pressure transmitter 6 monitors the pressure value generated by gas, and simultaneously monitors a plurality of lithium ion batteries 8, can get the average value with the monitoring value, make the result more accurate, be favorable to carrying out the monitoring of inside gas pressure to multisection lithium ion battery 8 simultaneously promptly, need not to use a plurality of devices can accomplish, the installation is also comparatively simple, through the adjustment to guiding mechanism 7, can make compressing tightly of lithium ion battery 8 more firm, monitor multisection lithium ion battery 8 simultaneously, it is more accurate also to make the monitoring combine, this embodiment has specifically solved current cylindrical lithium ion battery inside gas pressure monitoring devices once and can only monitor a lesson, and if need monitor the multisection simultaneously, then need a plurality of monitoring devices, the increase of quantity makes the cost also improved, and the problem of also comparatively taking time of operation get up.
Side groove 130 has all been seted up to the both sides of casing 1, the inboard activity of side groove 130 is equipped with sloping block 131, the inboard of side groove 130 is equipped with side spring 132, the both ends of side spring 132 respectively with the one end of sloping block 131 and the end wall fixed connection of side groove 130.
The both sides of base 2 upper end all fixedly connected with buckle 140, the upper end of buckle 140 is fixed with the top block of sloping block 131 block.
A pressing block 150 is fixedly connected to the upper side of the inclined block 131.
As shown in fig. 1 and 5, the embodiment specifically includes: when installing base 2 on casing 1, earlier with the inside of casing 1's bottom cover at base 2, then align buckle 140 and sloping block 131, and press casing 1 downwards, buckle 140 rebound and promote sloping block 131, treat that buckle 140 is fixed with the upper end block of sloping block 131 can, when dismantling, press and press briquetting 150, press briquetting 150 to drive sloping block 131 to the inboard removal of lateral slot 130, make buckle 140 break away from with sloping block 131, thereby can separate casing 1 and base 2, reach the purpose of dismantling, be favorable to the block through buckle 140 and sloping block 131 promptly, make things convenient for the installation of casing 1 and base 2, press briquetting 150 through pressing, can conveniently dismantle, the trouble of threaded connection dismantlement has been avoided.
The utility model discloses the theory of operation:
referring to the attached drawings 1-4 of the specification, when the lithium ion battery 8 is installed, firstly, the lithium ion battery 8 is placed in the installation cavity 3, then the through hole 51 is aligned with the lithium ion battery 8, the base 2 is installed on the shell 1, the anode of the lithium ion battery 8 abuts against the upper metal plate 75, the upper spring 76 is compressed, if the upper metal plate 75 and the lithium ion battery 8 are not tightly pressed, the adjusting sleeve 71 can be rotated, the adjusting sleeve 71 drives the anode wiring terminal 72 to move downwards to press the upper spring 76, so that the pressing force between the upper metal plate 75 and the lithium ion battery 8 is increased, when the pressure in the lithium ion battery 8 is monitored, the lower metal plate 5 is connected with the negative pole of a power supply, the anode wiring terminal 72 is connected with the negative pole of the power supply, and the pressure transmitter 6 is electrically connected with the power supply, and then monitoring can be performed.
Further, refer to specification attached drawing 1 and fig. 5, when installing base 2 on casing 1, earlier the bottom cover of casing 1 in the inside of base 2, then align buckle 140 and sloping block 131, and press casing 1 downwards, buckle 140 moves up and promotes sloping block 131, treat buckle 140 and the fixed upper end block of sloping block 131 can, when dismantling, press pressing block 150, pressing block 150 drives sloping block 131 to the inboard removal of side channel 130, make buckle 140 break away from with sloping block 131, thereby can separate casing 1 and base 2, reach the purpose of dismantling.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the 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 (8)

1. The utility model provides a quick monitoring devices of inside gas pressure of cylindrical lithium ion battery which characterized in that: comprises a shell (1), a base (2) is detachably connected below the shell (1), a plurality of installation cavities (3) are arranged in the shell (1) along the circumferential direction, an upper cavity (4) is arranged on the upper side in the shell (1), a lower metal plate (5) is fixedly connected inside the base (2), a plurality of through holes (51) are arranged in the circumferential direction at the upper end of the lower metal plate (5), one end of the lower metal plate (5) extends to the outer side of the base (2), a pressure transmitter (6) is connected to the middle of the bottom end of the base (2) through threads, an adjusting mechanism (7) is arranged at the upper end of the shell (1), the adjusting mechanism (7) comprises an adjusting sleeve (71), the bottom end of the adjusting sleeve (71) is rotatably connected with the middle of the upper end of the shell (1), and an anode binding post (72) is connected to the middle of the adjusting sleeve (71) through threads, the bottom end of the positive terminal (72) is provided with a square elongated slot (73), the inner side of the square elongated slot (73) is movably provided with a square connecting column (74), an upper metal plate (75) is movably arranged on the inner side of the upper cavity (4), the bottom end of the square connecting column (74) is fixedly connected with the upper end of the upper metal plate (75), an upper spring (76) is sleeved on the outer side of the square connecting column (74), two ends of the upper spring (76) are respectively and fixedly connected with the bottom end of the positive terminal (72) and the upper end of the upper metal plate (75), the inner sides of the plurality of mounting cavities (3) are respectively provided with a lithium ion battery (8), the anode of the lithium ion battery (8) is jointed with the upper metal plate (75), the cathode of the lithium ion battery (8) is jointed with the lower metal plate (5), and the bottom end of the cathode of the lithium ion battery (8) is provided with a vent hole (81).
2. The device of claim 1, wherein the device comprises: the outer side of the base (2) is provided with a negative terminal (9), and the negative terminal (9) is fixedly connected with one end of the lower metal plate (5).
3. The device of claim 1, wherein the device comprises: the number of the installation cavities (3) is the same as that of the through holes (51).
4. The device of claim 1, wherein the device comprises: and a plurality of sealing rings (110) positioned on the outer side of the through hole (51) are fixedly bonded above the lower metal plate (5).
5. The device of claim 1, wherein the device comprises: a plurality of supporting columns (120) are arranged below the lower metal plate (5), and two ends of the plurality of supporting columns (120) are fixedly connected with the bottom end of the lower metal plate (5) and the inner bottom surface of the base (2) respectively.
6. The device of claim 1, wherein the device comprises: side groove (130) have all been seted up to the both sides of casing (1), the inboard activity of side groove (130) is equipped with sloping block (131), the inboard of side groove (130) is equipped with side spring (132), the both ends of side spring (132) respectively with the one end of sloping block (131) and the end wall fixed connection of side groove (130).
7. The device of claim 6, wherein the device comprises: the base is characterized in that buckles (140) are fixedly connected to two sides of the upper end of the base (2), and the upper ends of the buckles (140) are fixed to the top end of the inclined block (131) in a clamped mode.
8. The device of claim 6, wherein the device comprises: a pressing block (150) is fixedly connected above the inclined block (131).
CN202020405579.0U 2020-03-26 2020-03-26 Quick monitoring devices of cylindrical lithium ion battery internal gas pressure Active CN211576448U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020405579.0U CN211576448U (en) 2020-03-26 2020-03-26 Quick monitoring devices of cylindrical lithium ion battery internal gas pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020405579.0U CN211576448U (en) 2020-03-26 2020-03-26 Quick monitoring devices of cylindrical lithium ion battery internal gas pressure

Publications (1)

Publication Number Publication Date
CN211576448U true CN211576448U (en) 2020-09-25

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Application Number Title Priority Date Filing Date
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Address after: 277600 Building 1, high tech Industrial Park, 36 Dongfeng East Road, Weishan Economic Development Zone, Jining City, Shandong Province

Patentee after: Shandong paizhi New Energy Technology Co., Ltd

Address before: 277600 Building 1, high tech Industrial Park, 36 Dongfeng East Road, Weishan Economic Development Zone, Jining City, Shandong Province

Patentee before: Shandong Delang New Energy Technology Co., Ltd