CN113295322A - Internal pressure detection equipment for cylindrical lithium ion battery and using method thereof - Google Patents
Internal pressure detection equipment for cylindrical lithium ion battery and using method thereof Download PDFInfo
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- CN113295322A CN113295322A CN202110761093.XA CN202110761093A CN113295322A CN 113295322 A CN113295322 A CN 113295322A CN 202110761093 A CN202110761093 A CN 202110761093A CN 113295322 A CN113295322 A CN 113295322A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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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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Abstract
The invention discloses a device for detecting the internal pressure of a cylindrical lithium ion battery and a using method thereof, wherein the device comprises: storing mechanism, storing mechanism include storing frame and battery body, and battery body sets up inside the storing frame, and the inside bottom surface of storing frame inlays and is equipped with the negative pole guide piece, and the relative interior table wall in storing frame both sides has all seted up the spout, and just lies in the battery body below and slide between two spouts and inlay and be equipped with the pressure frame, and the storing frame top is close to the equal threaded connection of two corners and has fixing bolt, and slides between two fixing bolt surfaces and overlap and be equipped with sealed lid. According to the storage frame, the rack can be effectively jacked up through the supporting spring and the pressing rod, so that the rack can lift the pressing frame through the pressing sheet, the battery body can effectively extrude the pressing frame when the battery body is effectively placed in the storage frame, the pressing frame can further move in position through the pressing sheet driving the rack, and the moving rack can further effectively drive the linkage gear to effectively rotate.
Description
Technical Field
The invention belongs to the technical field of detection equipment, and particularly relates to internal pressure detection equipment of a cylindrical lithium ion battery and a using method of the internal pressure detection equipment.
Background
The lithium ion battery is widely applied to products such as notebook computers, video cameras, digital cameras, Personal Digital Assistants (PDAs), mobile communication terminal products, electric tools and the like, and has the advantages of multiple specifications, wide application and large demand; in addition, the lithium ion battery is also applied to severe environments with extremely low temperature and thin air pressure, such as north-south scientific investigation, mountain climbing exploration and the like, and power drive of high-power discharge and the like; in the design and production process of the battery cell, the amount of gas generated by the factors such as materials, manufacturing procedures and the structure of the battery cell during the pre-charging of the battery cell needs to be known, and the structural design of the battery cell and the cap is carried out according to the information so as to meet the requirement that the battery cell has better environmental adaptability and safety.
However, in the prior art, the actual mechanism of the existing internal pressure detection equipment of the cylindrical lithium ion battery is fixed, multiple detection of a single cylindrical lithium ion battery can be performed, and further the detection of the linkage use state of the cylindrical lithium ion battery can not be effectively performed, so that the actual use effect of the equipment is not good enough, the actual detection operation process of the existing internal pressure detection equipment of the cylindrical lithium ion battery is relatively complicated, the actual use efficiency of the equipment is relatively low, meanwhile, the monitoring of the electric quantity condition of the cylindrical lithium ion battery can not be performed in the actual use process of the existing internal pressure detection equipment of the cylindrical lithium ion battery, and the actual use effect of the equipment is not good enough.
Disclosure of Invention
The invention aims to: the device for detecting the internal pressure of the cylindrical lithium ion battery and the using method thereof can effectively carry out effective connection of a plurality of battery bodies, further effectively monitor the electric quantity data of the battery bodies in the process of detecting the internal gas data of the battery bodies by equipment, and further effectively improve the actual using effect of the equipment.
The technical scheme adopted by the invention is as follows: an internal pressure detecting apparatus of a cylindrical lithium ion battery, comprising:
the storage mechanism comprises a storage frame and a battery body, the battery body is arranged in the storage frame, a negative electrode guide piece is embedded in the bottom surface of the interior of the storage frame, sliding grooves are formed in two sides of the storage frame relative to the inner surface wall, a pressing frame is embedded between the two sliding grooves and positioned below the battery body in a sliding mode, fixing bolts are connected to the top of the storage frame close to two corners in a threaded mode, a sealing cover is sleeved between the outer surfaces of the two fixing bolts in a sliding mode, a positive electrode guide piece is embedded in the center of the bottom of the sealing cover, connecting bolts are connected to the outer surfaces of two sides of the storage frame close to one corner of the bottom in a rotating mode, and a backing plate is connected between the outer surfaces of the two connecting bolts and positioned below the storage frame in a threaded mode; and
the detection mechanism comprises an installation frame, a connecting frame, a linkage part, an air guide part and a detector body, wherein the installation frame and the connecting frame are fixedly connected to the storage frame, the linkage part is arranged on the installation frame and the connecting frame, the air guide part is arranged on the linkage part, and the detector body is arranged on the installation frame.
The outer surface of one side of the storage frame is close to the center of the edge of the bottom, a mounting hole is formed in the inner top surface of the mounting hole, and the inner portion of the air guide hole is communicated with the input end of the detector body.
The storage frame comprises a storage frame body, a supporting block, a positioning piece, a fixing block and a positioning rod, wherein the supporting block is fixedly connected to the front surface of the storage frame body close to the center of the edge of the bottom of the storage frame body, the positioning piece is rotatably connected to the center of the top of the supporting block body, the fixing block is fixedly connected to one side of the supporting block on the front surface of the storage frame body, and the positioning rod is rotatably connected to the center of the front surface of the fixing block.
Wherein, the interior surface wall of one side of one of them spout has seted up and has moved the mouth, and moves mouthful inside and slide between the spout inside and inlay and be equipped with the preforming.
Wherein the linkage part comprises a rack, a first supporting shaft, a second supporting shaft, a first linkage shaft, a second linkage shaft and a threaded rod, the rack is arranged in the mounting frame, the outer surface of one side of the rack is fixedly connected with a linkage frame near the edge of the bottom, the center of the front surface of the linkage frame is rotatably connected with a cushion block, a slide rod is fixedly connected between the top surface and the bottom surface of the inner part of the linkage frame and penetrates through the top of the pressing sheet in a sliding manner, a limiting spring is slidably sleeved on the outer surface of the slide rod above the pressing sheet, the top end of the limiting spring is fixedly connected with the top surface of the inner part of the linkage frame, the bottom end of the limiting spring is fixedly connected with the top of the pressing sheet, the first supporting shaft and the second supporting shaft are both rotatably connected between the opposite inner surface walls at the two sides of the mounting frame, the first linkage shaft is rotatably connected with the inner surface wall at one side of the mounting frame, and one end of the first linkage shaft extends into the connecting frame, the utility model discloses a mounting hole, including the mounting hole, the mounting hole is connected to the inner wall center department behind the carriage, and the threaded rod one end extends to inside the mounting hole, the inner wall is close to center department fixed connection baffle before the mounting frame, and fixedly connected with gag lever post between baffle top and the inside top surface of mounting frame, the sliding sleeve of gag lever post surface is equipped with supporting spring, supporting spring bottom and baffle top fixed connection, the gag lever post surface is located the sliding sleeve of supporting spring top and is equipped with the depression bar, and depression bar one end and rack top fixed connection.
The outer surface of the first supporting shaft is provided with a linkage gear in a sleeved mode close to one end edge, the linkage gear is meshed with the rack, linkage wheels are sleeved on the outer surface of the first supporting shaft and the outer surface of the second supporting shaft respectively, a linkage belt is sleeved between the outer surfaces of the linkage wheels, and a first bevel gear is sleeved on the outer surface of the second supporting shaft close to one end edge.
The first bevel gear meshes with the first connecting shaft, and the second bevel gear is sleeved on the first connecting shaft.
The outer surface of the second linkage shaft is also sleeved with a second bevel gear close to one end edge, the two second bevel gears are meshed, the outer surface of the second linkage shaft is sleeved with a third bevel gear close to the center, the outer surface of the threaded rod is also sleeved with a third bevel gear close to one end edge, and the two third bevel gears are meshed.
Wherein, the air guide part is including removing the piece, it is inside to remove the piece slip and inlay to locate the mounting hole, and removes piece threaded connection on the threaded rod, it is close to top center department fixedly connected with air guide needle to remove piece rear surface, remove piece top center department and seted up the connecting hole, and the inside intercommunication of air guide needle of connecting hole.
A use method of internal pressure detection equipment of a cylindrical lithium ion battery comprises the following steps:
s1, equipment installation: the rack is jacked up through the supporting spring and the pressure rod, so that the rack lifts up the pressing frame through the pressing sheet, the battery body extrudes the pressing frame when the battery body is placed in the storage frame, the pressing frame drives the rack to move in position through the pressing sheet, the moving rack drives the linkage gear to effectively rotate, the linkage gear drives the first bevel gear to rotate through the first supporting shaft, the linkage wheel, the linkage belt and the second supporting shaft, the first bevel gear drives the threaded rod to rotate through the first linkage shaft, the second bevel gear, the second linkage shaft and the third bevel gear, the rotating threaded rod pushes the moving sheet to move in position, and when the battery body is completely placed in the storage frame and cannot be descended continuously, the air guide needle is just attached to the outer surface of the battery body;
s2, gas acquisition: by rotating the positioning rod, the positioning rod can extrude the cushion block, so that the linkage frame can continue to drive the rack to move downwards, the gas guide needle can be effectively inserted into the battery body, and gas in the battery body can be effectively injected into the detector body through the connecting hole and the gas guide hole;
s3, data detection: the detection of the internal gas data of the battery body is carried out through the detector body, the positive electrode guide piece and the negative electrode guide piece are connected with the leads, and the two leads are respectively connected with the positive joint and the negative joint of the electric quantity detection equipment, so that the electric quantity of the battery body can be read on the electric quantity detection equipment, and the detection of the electric quantity is realized.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) in the invention, the rack can be effectively jacked up through the supporting spring and the pressure rod, so that the rack can lift up the pressing frame through the pressing sheet, further, when the battery body is effectively placed in the storage frame, the battery body can effectively extrude the pressing frame, further, the pressing frame can drive the rack to move in position through the pressing sheet, further, the moving rack can effectively drive the linkage gear to effectively rotate, further, the linkage gear can drive the first bevel gear to rotate through the first supporting shaft, the linkage wheel, the linkage belt and the second supporting shaft, the first bevel gear can drive the threaded rod to rotate through the first linkage shaft, the second bevel gear, the second linkage shaft and the third bevel gear, further, the rotating threaded rod can effectively push the moving sheet to move in position, when the battery body is completely placed in the storage frame and can not continuously descend, the air guide needle will just laminate battery body surface, and then through the rotating positioning pole, and then make the locating lever pass through the extrusion cushion, make the interlock frame can continue to drive the rack and move down, and then make inside the air guide needle can effectively insert battery body, and then make inside the gas of battery body can effectively pour into the detector body through connecting hole and air guide hole inside, and then make equipment can conveniently carry out the inside gas data of battery body and effectively detect, make equipment can high-efficiently carry out the realization that has the function.
(2) According to the invention, the plurality of storage frames can be stably connected effectively by taking down the base plate and the sealing cover through the connecting bolts, so that the equipment can effectively detect the data of the plurality of battery bodies, and the actual use effect of the equipment is effectively improved.
(3) According to the invention, the existing electric quantity detection equipment can be effectively connected with the battery body through the positive electrode guide piece and the negative electrode guide piece, so that the equipment can effectively monitor the electric quantity data of the battery body in the process of detecting the gas data in the battery body, and the actual use effect of the equipment is effectively improved.
Drawings
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a rear perspective view of the present invention;
FIG. 3 is a front cross-sectional perspective view of the present invention;
FIG. 4 is an elevational, cross-sectional, expanded, perspective view of the storage mechanism of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 4 in accordance with the present invention;
FIG. 7 is a bottom cross-sectional expanded perspective view of the storage mechanism of the present invention;
FIG. 8 is an enlarged view of portion C of FIG. 7 in accordance with the present invention;
FIG. 9 is an elevational, cross-sectional, expanded perspective view of the detection mechanism of the present invention;
FIG. 10 is an enlarged view of portion D of FIG. 9 in accordance with the present invention;
FIG. 11 is a rear cross-sectional expanded perspective view of the detection mechanism of the present invention;
FIG. 12 is an enlarged view of portion E of FIG. 11 in accordance with the present invention;
fig. 13 is an enlarged view of portion F of fig. 11 of the present invention.
The labels in the figure are: 1. a storage mechanism; 101. a storage frame; 102. a negative electrode lead; 103. pressing the frame; 104. a battery body; 105. a sealing cover; 106. a positive electrode lead; 107. fixing the bolt; 108. a connecting bolt; 109. a base plate; 110. mounting holes; 111. an air vent; 112. positioning a rod; 113. positioning plates; 114. tabletting; 115. a fixed block; 2. a detection mechanism; 201. installing a frame; 202. a linkage frame; 203. cushion blocks; 204. a limiting spring; 205. a rack; 206. a linkage gear; 207. a support spring; 208. a pressure lever; 209. a detector body; 210. a first link shaft; 211. a first bevel gear; 212. a connecting frame; 213. a second linkage shaft; 214. a second bevel gear; 215. a third bevel gear; 216. a threaded rod; 217. moving the sheet; 218. a gas introduction needle; 219. a first support shaft; 220. a second support shaft; 221. a linkage wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one, with reference to fig. 1-13: an internal pressure detecting apparatus of a cylindrical lithium ion battery, comprising: the storage mechanism 1 comprises a storage frame 101 and a battery body 104, the storage frame 101 is arranged to provide an installation basis for arranging other functional components of equipment, the battery body 104 is arranged inside the storage frame 101, a negative electrode guide sheet 102 is embedded in the bottom surface inside the storage frame 101, the arrangement of the negative electrode guide sheet 102 is matched with a positive electrode guide sheet 106 to effectively monitor the electric quantity data of the battery body 104, sliding grooves are formed in the two opposite inner surface walls of the storage frame 101, the arrangement of the sliding grooves facilitates the installation and arrangement of a pressing frame 103, a pressing frame 103 is embedded between the two sliding grooves and below the battery body 104 in a sliding manner, the arrangement of the pressing frame 103 can effectively move and adjust the position of a pressing sheet 114, fixing bolts 107 are connected to the top of the storage frame 101 close to two corners in a threaded manner, the arrangement of the fixing bolts 107 can effectively fix the position of a sealing cover 105, and a sealing cover 105 is sleeved between the outer surfaces of the two fixing bolts 107 in a sliding manner, the sealing cover 105 is arranged to effectively fix and limit the position of the battery body 104, the positive guide plate 106 is embedded in the center of the bottom of the sealing cover 105, the connecting bolt 108 is rotatably connected to one corner of the outer surfaces of the two sides of the storage frame 101, the connecting bolt 108 is arranged to effectively install the backing plate 109, the backing plate 109 is in threaded connection between the outer surfaces of the two connecting bolts 108 and below the storage frame 101, the backing plate 109 is arranged to effectively and stably support the storage frame 101, the detection mechanism 2 comprises an installation frame 201, a connecting frame 212, a linkage part, an air guide part and a detector body 209, the installation frame 201 is arranged to be matched with the connecting frame 212 to effectively install other functional parts of the device, the detector body 209 is arranged to normally realize the due function, and the installation frame 201 and the connecting frame 212 are fixedly connected to the storage frame 101, the interlocking member is provided on the mounting frame 201 and the connecting frame 212, the air guide member is provided on the interlocking member, and the detector body 209 is provided on the mounting frame 201.
Referring to FIGS. 3-13: the outer surface of one side of the storage frame 101 is provided with a mounting hole 110 near the center of the bottom edge, the mounting hole 110 is convenient to mount and arrange other functional components of the device, the top surface inside the mounting hole 110 is provided with an air guide hole 111, the air guide hole 111 is provided with a matching connection hole and an air guide needle 218 which can effectively guide the gas inside the battery body 104 into the detector body 209, the inside of the air guide hole 111 is communicated with the input end of the detector body 209, the front surface of the storage frame 101 near the center of the bottom edge is fixedly connected with a supporting block, the mounting of the supporting block is convenient to mount and arrange the positioning piece 113, the center of the top of the supporting block is rotatably connected with the positioning piece 113, the mounting of the positioning piece 113 can effectively fix and limit the position of the positioning rod 112, the front surface of the storage frame 101 at one side of the supporting block is fixedly connected with a fixing block 115, and the mounting of the positioning rod 112 is convenient to mount and arrange the fixing block 115, the center of the front surface of the fixed block 115 is rotatably connected with a positioning rod 112, the positioning rod 112 is arranged and matched with a cushion block 203 to effectively extrude and adjust the position of the linkage frame 202, a moving port is formed in the inner surface wall of one side of one sliding chute, the arrangement of the moving port is convenient for installing and setting the pressing sheet 114, the pressing sheet 114 is slidably embedded between the inside of the moving port and the inside of the sliding chute, the arrangement of the pressing sheet 114 can effectively adjust the use position of the rack 205, the linkage part comprises the rack 205, a first supporting shaft 219, a second supporting shaft 220, a first linkage shaft 210, a second linkage shaft 213 and a threaded rod 216, the arrangement of the rack 205 can effectively drive the linkage gear 206 to effectively rotate, the installation of other functional parts of the equipment can be effectively carried out through the first supporting shaft 219 and the second supporting shaft 220, the rack 205 can effectively drive the threaded rod 216 to rotate through the arrangement of the first linkage shaft 210 and the second linkage shaft 213, the rack 205 is arranged inside the installation frame 201, the outer surface of one side of the rack 205 close to the bottom edge is fixedly connected with the linkage frame 202, the establishment of the linkage frame 202 facilitates the installation and the establishment of other functional parts of the equipment, the center of the front surface of the linkage frame 202 is rotatably connected with the cushion block 203, the establishment of the cushion block 203 enables the positioning rod 112 to conveniently adjust the position of the linkage frame 202, a sliding rod is fixedly connected between the inner top surface and the inner bottom surface of the linkage frame 202, the establishment of the sliding rod facilitates the installation and the establishment of other functional parts of the equipment, the sliding rod penetrates through the top of the pressing sheet 114 in a sliding way, the outer surface of the sliding rod is positioned above the pressing sheet 114 and is slidably sleeved with the limiting spring 204, the establishment of the limiting spring 204 enables the pressing sheet 114 to effectively drive the rack 205 to move in position, the top end of the limiting spring 204 is fixedly connected with the inner top surface of the linkage frame 202, and the bottom end of the limiting spring 204 is fixedly connected with the top of the pressing sheet 114, the first support shaft 219 and the second support shaft 220 are rotatably connected between the opposite inner surface walls of the two sides of the mounting frame 201, the first link shaft 210 is rotatably connected between the inner surface walls of the one side of the mounting frame 201, one end of the first link shaft 210 extends into the connecting frame 212, the second link shaft 213 is rotatably connected between the opposite inner surface walls of the two sides of the connecting frame 212, the threaded rod 216 is rotatably connected at the center of the rear inner wall of the connecting frame 212, one end of the threaded rod 216 extends into the mounting hole 110, a partition board is fixedly connected to the front inner wall of the mounting frame 201 near the center, the partition board is conveniently set up, a limiting rod is fixedly connected between the top of the partition board and the inner top surface of the mounting frame 201, the setting of the limiting rod is convenient for the mounting of other functional components of the device, the support spring 207 is slidably sleeved on the outer surface of the limiting rod, and the setting of the support spring 207 can effectively perform the stable support of the pressure rod 208, the bottom end of the supporting spring 207 is fixedly connected with the top of the partition board, a press rod 208 is slidably sleeved on the outer surface of the limiting rod above the supporting spring 207, the supporting spring 207 can effectively and stably support the rack 205 by setting up the press rod 208, one end of the press rod 208 is fixedly connected with the top of the rack 205, a linkage gear 206 is sleeved on the outer surface of the first supporting shaft 219 near one end edge, the rack 205 can effectively drive the first supporting shaft 219 to rotate by setting up the linkage gear 206, the linkage gear 206 is meshed with the rack 205, linkage wheels 221 are respectively sleeved on the outer surfaces of the first supporting shaft 219 and the second supporting shaft 220, the first supporting shaft 219 can effectively drive the second supporting shaft 220 to effectively rotate by setting up the linkage wheels 221 in cooperation with the linkage belt, a linkage belt is sleeved between the outer surfaces of the two linkage wheels 221, and a first conical gear 211 is sleeved on the outer surface of the second supporting shaft 220 near one end edge, the outer surface of the first linkage shaft 210 near one end edge is also sleeved with a first bevel gear 211, the arrangement of the first bevel gear 211 enables the second support shaft 220 to effectively drive the first linkage shaft 210 to effectively rotate, the two first bevel gears 211 are meshed, the outer surface of the first linkage shaft 210 near the other end edge is sleeved with a second bevel gear 214, the arrangement of the second bevel gear 214 enables the first linkage shaft 210 to effectively drive the second linkage shaft 213 to rotate, the outer surface of the second linkage shaft 213 near one end edge is also sleeved with a second bevel gear 214, the two second bevel gears 214 are meshed, the outer surface of the second linkage shaft 213 near the center is sleeved with a third bevel gear 215, the arrangement of the third bevel gear 215 enables the second linkage shaft 213 to effectively drive the threaded rod 216 to rotate, the outer surface of the threaded rod 216 near one end edge is also sleeved with a third bevel gear 215, and two third bevel gears 215 mesh mutually, the air guide part is including removing piece 217, the effective regulation that can effectively carry out air guide needle 218 position of use of setting up of removing piece 217, it inlays inside the mounting hole 110 to remove piece 217, and remove piece 217 threaded connection on threaded rod 216, remove piece 217 rear surface department fixedly connected with air guide needle 218 near top center department, the setting up of air guide needle 218 makes equipment can effectively carry out the gaseous acquireing of battery body 104, remove piece 217 top center department and seted up the connecting hole, and the inside and air guide needle 218 inside intercommunication of connecting hole.
A use method of internal pressure detection equipment of a cylindrical lithium ion battery comprises the following steps:
step one, equipment installation: the rack 205 can be effectively jacked up through the supporting spring 207 and the pressure lever 208, so that the rack 205 can lift up the pressure frame 103 through the pressure plate 114, further, when the battery body 104 is effectively placed in the storage frame 101, the battery body 104 can effectively extrude the pressure frame 103, further, the pressure frame 103 can drive the rack 205 to move through the pressure plate 114, so that the moving rack 205 can effectively drive the linkage gear 206 to effectively rotate, further, the linkage gear 206 can drive the first bevel gear 211 to rotate through the first supporting shaft 219, the linkage wheel 221, the linkage belt and the second supporting shaft 220, so that the first bevel gear 211 can drive the threaded rod 216 to rotate through the first connecting shaft 210, the second bevel gear 214, the second linkage shaft 213 and the third bevel gear 215, further, the rotating threaded rod 216 can effectively push the movable plate 217 to move in position, when the battery body 104 is completely placed in the storage frame 101 and can not continuously descend, the gas guide pin 218 will just fit the outer surface of the cell body 104, step two, gas acquisition: through rotation positioning pole 112, and then make positioning pole 112 can be through extrusion cushion 203, make linkage frame 202 can continue to drive rack 205 and move down, and then make inside air guide needle 218 can effectively insert battery body 104, and then make inside gas of battery body 104 can effectively pour into the detector body 209 through connecting hole and air guide hole 111 inside, step three, data detection: the inside gas data of battery body 104 is conveniently carried out through detector body 209 and effectively detects, take off simultaneously backing plate 109 and can effectively carry out the firm connection of a plurality of storing frames 101 through connecting bolt 108, can carry out the detection of battery body 104 electric quantity through anodal guide 106 of electric quantity check out test set cooperation and negative pole guide 102, and then make equipment can effectively carry out the effective monitoring of battery body 104 electric quantity data in carrying out the inside gas data detection process of battery body 104, and then effectively improve equipment in-service use effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a pressure detection equipment inside cylinder type lithium ion battery which characterized in that includes:
the storage mechanism (1), the storage mechanism (1) comprises a storage frame (101) and a battery body (104), the battery body (104) is arranged inside the storage frame (101), the bottom surface inside the storage frame (101) is embedded with a negative electrode guide sheet (102), the two sides of the storage frame (101) are provided with sliding grooves relative to the inner surface wall, a pressing frame (103) is embedded between the two sliding grooves and is positioned below the battery body (104) in a sliding way, the top of the storage frame (101) close to two corners is in threaded connection with a fixing bolt (107), and a sealing cover (105) is slidably sleeved between the outer surfaces of the two fixing bolts (107), a positive guide plate (106) is embedded in the center of the bottom of the sealing cover (105), connecting bolts (108) are rotatably connected to the outer surfaces of the two sides of the storage frame (101) at a corner close to the bottom, a backing plate (109) is in threaded connection between the outer surfaces of the two connecting bolts (108) and below the storage frame (101); and
detection mechanism (2), detection mechanism (2) are including installing frame (201), linking frame (212), interlock part, air guide part and detector body (209), installing frame (201) and equal fixed connection in storing frame (101) of linking frame (212), the interlock part sets up on installing frame (201) and linking frame (212), the air guide part sets up on the interlock part, detector body (209) set up on installing frame (201).
2. The internal pressure detecting apparatus of a cylindrical lithium ion battery according to claim 1, wherein: mounting hole (110) have been seted up to storing frame (101) one side surface near bottom edge center department, air guide hole (111) have been seted up to mounting hole (110) inside top surface, and air guide hole (111) inside and the input intercommunication of detector body (209).
3. The internal pressure detecting apparatus of a cylindrical lithium ion battery according to claim 2, wherein: the front surface of the storage frame (101) is fixedly connected with a supporting block close to the center of the bottom edge, the center of the top of the supporting block is rotatably connected with a positioning piece (113), the front surface of the storage frame (101) is located on one side of the supporting block and is fixedly connected with a fixing block (115), and the center of the front surface of the fixing block (115) is rotatably connected with a positioning rod (112).
4. The internal pressure detecting apparatus of a cylindrical lithium ion battery according to claim 3, wherein: one side of the inner surface wall of one sliding groove is provided with a moving opening, and a pressing sheet (114) is embedded between the inside of the moving opening and the inside of the sliding groove in a sliding manner.
5. The apparatus for detecting the internal pressure of a cylindrical lithium ion battery according to claim 4, wherein: the linkage part comprises a rack (205), a first supporting shaft (219), a second supporting shaft (220), a first linkage shaft (210), a second linkage shaft (213) and a threaded rod (216), the rack (205) is arranged inside the installation frame (201), the outer surface of one side of the rack (205) is close to the edge of the bottom and is fixedly connected with a linkage frame (202), the center of the front surface of the linkage frame (202) is rotatably connected with a cushion block (203), a sliding rod is fixedly connected between the inner top surface and the inner bottom surface of the linkage frame (202) and penetrates through the top of the pressing plate (114) in a sliding manner, a limiting spring (204) is sleeved on the outer surface of the sliding rod above the pressing plate (114) in a sliding manner, the top end of the limiting spring (204) is fixedly connected with the inner top surface of the linkage frame (202), the bottom end of the limiting spring (204) is fixedly connected with the top of the pressing plate (114), and the first supporting shaft (219) and the second supporting shaft (220) are rotatably connected to two sides of the installation frame (201) in a relative manner The first connecting shaft (210) is rotatably connected with the inner surface wall at one side of the mounting frame (201) between the inner surface walls, one end of the first linking shaft (210) extends into the connecting frame (212), the second linking shaft (213) is rotatably connected between the opposite inner surface walls at the two sides of the connecting frame (212), the threaded rod (216) is rotatably connected to the center of the rear inner wall of the connecting frame (212), one end of the threaded rod (216) extends into the mounting hole (110), a partition board is fixedly connected to the front inner wall of the mounting frame (201) close to the center, a limiting rod is fixedly connected between the top of the clapboard and the inner top surface of the mounting frame (201), a supporting spring (207) is sleeved on the outer surface of the limiting rod in a sliding way, supporting spring (207) bottom and baffle top fixed connection, the gag lever post surface is located supporting spring (207) top slip cover and is equipped with depression bar (208), and depression bar (208) one end and rack (205) top fixed connection.
6. The internal pressure detecting apparatus of a cylindrical lithium ion battery according to claim 5, wherein: first support shaft (219) surface is close to one end edge cover and is equipped with interlock gear (206), and interlock gear (206) and rack (205) mesh mutually, first support shaft (219) surface and second support shaft (220) surface all are equipped with interlock wheel (221), two the cover is equipped with interlock area between interlock wheel (221) surface, second support shaft (220) surface is close to one end edge cover and is equipped with first conical gear (211).
7. The internal pressure detecting apparatus of a cylindrical lithium ion battery according to claim 6, wherein: first link shaft (210) surface is close to one end edge and also is equipped with first conical gear (211), two first conical gear (211) meshes mutually, first link shaft (210) surface is close to other end edge cover and is equipped with second conical gear (214).
8. The internal pressure detecting apparatus of a cylindrical lithium ion battery according to claim 7, wherein: the outer surface of the second linkage shaft (213) is also sleeved with a second bevel gear (214) close to one end edge, the two second bevel gears (214) are meshed, the outer surface of the second linkage shaft (213) is sleeved with a third bevel gear (215) close to the center, the outer surface of the threaded rod (216) is also sleeved with a third bevel gear (215) close to one end edge, and the two third bevel gears (215) are meshed.
9. The internal pressure detecting apparatus of a cylindrical lithium ion battery according to claim 8, wherein: the air guide part is including removing piece (217), it inlays inside locating mounting hole (110) to remove piece (217) slip, and removes piece (217) threaded connection on threaded rod (216), it locates fixedly connected with air guide needle (218) to remove piece (217) rear surface near top center, remove piece (217) top center department and seted up the connecting hole, and inside and the inside intercommunication of air guide needle (218) of connecting hole.
10. A method for using the internal pressure detection device of the cylindrical lithium ion battery, which is characterized in that the internal pressure detection device of the cylindrical lithium ion battery as claimed in any one of claims 1 to 9 is used, and comprises the following steps:
s1, equipment installation: the rack (205) is jacked up through the supporting spring (207) and the pressure lever (208), so that the rack (205) lifts the pressing frame (103) through the pressing sheet (114), further, when the battery body (104) is placed in the storage frame (101), the battery body (104) extrudes the pressing frame (103), further, the pressing frame (103) drives the rack (205) to move through the pressing sheet (114), so that the moving rack (205) drives the linkage gear (206) to effectively rotate, further, the linkage gear (206) drives the first conical gear (211) to rotate through the first supporting shaft (219), the linkage wheel (221), the linkage belt and the second supporting shaft (220), so that the first conical gear (211) drives the threaded rod (216) to rotate through the first linkage shaft (210), the second conical gear (214), the second linkage shaft (213) and the third conical gear (215), the rotating threaded rod (216) pushes the moving sheet (217) to move, and when the battery body (104) is completely placed in the storage frame (101) and cannot descend continuously, the air guide needle (218) is just attached to the outer surface of the battery body (104);
s2, gas acquisition: by rotating the positioning rod (112), the positioning rod (112) can be extruded through the extrusion cushion block (203), the linkage frame (202) can continue to drive the rack (205) to move downwards, the air guide needle (218) can be effectively inserted into the battery body (104), and then gas in the battery body (104) can be effectively injected into the detector body (209) through the connecting hole and the air guide hole (111);
s3, data detection: the detection of the internal gas data of the battery body (104) is carried out through the detector body (209), both the positive electrode guide sheet (106) and the negative electrode guide sheet (102) are connected with wires, and the two wires are respectively connected to the positive joint and the negative joint of the electric quantity detection equipment, so that the electric quantity of the battery body (104) can be read on the electric quantity detection equipment, and the detection of the electric quantity is realized.
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| CN113295322B (en) | 2023-01-03 |
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