CN-224231683-U - Disc type ion conductivity detector

CN224231683UCN 224231683 UCN224231683 UCN 224231683UCN-224231683-U

Abstract

The utility model discloses a disc type ion conductivity detection instrument, which realizes automatic and multi-station ion conductivity detection and greatly improves experimental test efficiency and accuracy, and comprises a sealing box, a main body frame arranged in the sealing box, and a pressing component, a bearing component and a liquid injection component which are arranged on the main body frame; the sealing box is provided with a sealing door which is movably opened and closed, an air inlet hole and an air outlet hole, the pressing component comprises a pressing plate which moves up and down relative to the supporting component, a plurality of mounting holes are formed in the pressing plate at equal intervals, a piston is arranged in each mounting hole, a spring is arranged between the piston and the inner wall of each mounting hole, a pressing rod is arranged on the lower end face of each piston, the supporting component comprises a supporting plate which is in rotary fit with the main body frame, a plurality of electrolyte tanks are arranged on the supporting plate, and the electrolyte injection component is arranged on the side edge of the supporting plate and used for automatically injecting electrolyte into each electrolyte tank.

Inventors

SU YU
WANG XIAN
HUANG LONGQIANG
WENG NAN
Qi Qiongqiong
WANG YI

Assignees

元能科技（厦门）有限公司

Dates

Publication Date: 20260512
Application Date: 20250514

Claims (10)

1. A disc type ion conductivity detection instrument is characterized in that: The device comprises a sealed box, a main body frame, a pressing assembly, a bearing assembly and a liquid injection assembly, wherein the main body frame is arranged in the sealed box; the sealing box is provided with a sealing door which is movably opened and closed, and an air inlet hole and an air outlet hole; the pressing assembly comprises a pressing plate which moves up and down relative to the bearing assembly, wherein a plurality of mounting holes are formed in the pressing plate at equal angular intervals, a piston is arranged in each mounting hole, a spring is arranged between the piston and the inner wall of each mounting hole, and a pressing rod is arranged on the lower end face of each piston; The bearing assembly comprises a bearing tray which is in running fit with the main body frame, and a plurality of electrolyte tanks are arranged on the bearing tray; the electrolyte injection assembly is arranged on the side edge of the bearing tray and is used for automatically injecting electrolyte into each electrolyte tank.
2. The disc-type ion conductivity detecting instrument according to claim 1, wherein: The main body frame comprises a top plate, a bottom plate and a plurality of support columns, wherein the top plate is parallel to the bottom plate, the support columns are supported between the top plate and the bottom plate, the pressing assembly is arranged below the top plate, and the bearing assembly is arranged above the bottom plate.
3. The disc-type ion conductivity detecting instrument according to claim 1, wherein: The device also comprises a dew point sensor and an air pressure sensor which are arranged in the sealed box and are respectively used for detecting humidity and air pressure in the sealed box.
4. The disc-type ion conductivity detecting instrument according to claim 1, wherein: The pressing device comprises a pressing component, and is characterized by further comprising a driving component used for driving the pressing component, wherein the driving component comprises a fixed support, a first motor, a guide rod, a lifting plate, a connecting rod, a ladder nut and a ladder screw, the fixed support and the first motor are both arranged on the upper surface of a main body frame, the guide rod is connected between the fixed support and the main body frame, the lifting plate is in sliding fit with the guide rod, the connecting rod penetrates through the main body frame, the upper end and the lower end of the connecting rod are respectively connected with the lifting plate and the pressure plate, the ladder nut is arranged on the lifting plate, the ladder screw is in threaded connection with the ladder nut, the two ends of the ladder screw are respectively in rotating fit with the fixed support and the main body frame, and the first motor is in transmission connection with the ladder screw.
5. The disc-type ion conductivity detecting instrument according to claim 4, wherein: The output end of the first motor is in transmission connection with a driving wheel, the peripheral surface of the ladder-shaped screw is fixedly connected with a driven wheel, a first synchronous belt is wound between the driving wheel and the driven wheel in a tensioning manner, and bearings for the rotation fit of the ladder-shaped screw are arranged on the main body frame and the fixed support.
6. The disc-type ion conductivity detecting instrument according to claim 4, wherein: The main body frame is provided with a guide sleeve for the connecting rod to pass through, and the connecting rod and the guide sleeve are provided with at least two pairs and are arranged at equal angular intervals around the ladder-shaped screw rod.
7. The disc-type ion conductivity detecting instrument according to claim 1, wherein: The lower end face of the piston is provided with a mounting groove, the upper end of the compression bar is embedded in the mounting groove in a sealing way to realize detachable connection, and at least one sealing ring is arranged between the peripheral face of the compression bar and the inner wall of the piston.
8. The disc-type ion conductivity detecting instrument according to claim 1, wherein: The upper end face of the piston is provided with a screw rod part, the peripheral surface of the lower end of the piston is provided with a limiting ring, the screw rod part upwards penetrates out of the mounting hole and is in threaded connection with a fixing nut, the spring is sleeved on the peripheral surface of the piston, and two ends of the spring are respectively abutted against the end wall of the mounting hole and the limiting ring.
9. The disc-type ion conductivity detecting instrument according to claim 1, wherein: The bearing assembly further comprises a second motor, a synchronous wheel, a coupler and a second synchronous belt, wherein the second motor is arranged on the main body frame, the synchronous wheel is coaxially connected with the bearing disc through the coupler, and the second motor is in transmission connection with the synchronous wheel through the second synchronous belt.
10. The disc-type ion conductivity detecting instrument according to claim 1, wherein: The liquid injection assembly comprises a liquid injection head and an electrolyte bottle which are arranged on the side edge of the supporting disc, and a plunger pump which is communicated with the liquid injection head and the electrolyte bottle.

Description

Disc type ion conductivity detector Technical Field The utility model belongs to the technical field of battery detection, and particularly relates to a disc type ion conductivity detection instrument. Background The ionic resistance/diaphragm ionic conductivity of the pole piece is a parameter describing the complexity of a transmission path of lithium ions in an electrode pore or a diaphragm pore when a sample is immersed in electrolyte, directly influences the ion transmission efficiency of the battery, influences the multiplying power and the cycle performance of the battery, and is one of pole piece indexes focused by vast experiment research and development staff. The conventional ion conductivity detection method needs to be assembled and injected with electrolyte manually in a glove box, and then is tested through an electrochemical workstation, so that the operation is complex, and the overall test efficiency is low. Disclosure of utility model The utility model mainly aims to provide a disc type ion conductivity detection instrument, solves the problems existing in the prior art, realizes automatic and multi-station ion conductivity detection, and greatly improves experimental test efficiency and accuracy. In order to achieve the above object, the solution of the present utility model is: The disc type ion conductivity detection instrument comprises a sealing box, a main body frame, a pressing assembly, a bearing assembly and a liquid injection assembly, wherein the main body frame is arranged in the sealing box, the pressing assembly, the bearing assembly and the liquid injection assembly are arranged on the main body frame, the sealing box is provided with a sealing door which is movably opened and closed, an air inlet hole and an air outlet hole, the pressing assembly comprises a pressing plate which moves up and down relative to the bearing assembly, a plurality of mounting holes are formed in the pressing plate at equal angular intervals, a piston is arranged in each mounting hole, a spring is arranged between the piston and the inner wall of each mounting hole, a pressing rod is arranged on the lower end face of each piston, the bearing assembly comprises a bearing plate which is in rotary fit with the main body frame, a plurality of electrolyte tanks are arranged on the bearing plate, and the liquid injection assembly is arranged on the side edge of the bearing plate and is used for automatically injecting electrolyte into each electrolyte tank. The main body frame comprises a top plate, a bottom plate and a plurality of support columns, wherein the top plate is parallel to the bottom plate, the support columns are supported between the top plate and the bottom plate, the pressing assembly is arranged below the top plate, and the bearing assembly is arranged above the bottom plate. The disc type ion conductivity detection instrument also comprises a dew point sensor and an air pressure sensor which are arranged in the sealing box and are respectively used for detecting humidity and air pressure in the sealing box. The disc type ion conductivity detection instrument further comprises a driving assembly used for driving the pressing assembly, the driving assembly comprises a fixed support, a first motor, a guide rod, a lifting plate, a connecting rod, a ladder-shaped nut and a ladder-shaped screw rod, the fixed support and the first motor are all arranged on the upper surface of the main body frame, the guide rod is connected between the fixed support and the main body frame, the lifting plate is in sliding fit with the guide rod, the connecting rod penetrates through the main body frame, the upper end and the lower end of the connecting rod are respectively connected with the lifting plate and the pressure plate, the ladder-shaped nut is arranged on the lifting plate, the ladder-shaped screw rod is in threaded connection with the ladder-shaped nut, the two ends of the lifting plate are respectively in running fit with the fixed support and the main body frame, and the first motor is in transmission connection with the ladder-shaped screw rod. Preferably, the output end of the first motor is in transmission connection with a driving wheel, the peripheral surface of the ladder-shaped screw is fixedly connected with a driven wheel, a first synchronous belt is wound between the driving wheel and the driven wheel in a tensioning manner, and bearings for the rotation fit of the ladder-shaped screw are arranged on the main body frame and the fixing support. Preferably, the main body frame is provided with a guide sleeve for the connecting rod to pass through, and the connecting rod and the guide sleeve are provided with at least two pairs and are arranged at equal angular intervals around the ladder-shaped screw rod. The lower end face of the piston is provided with a mounting groove, the upper end of the compression bar is embedded in the mounting groove in a sealing way to realize detachable conn