CN211206411U

CN211206411U - Automatic detection equipment for water content of drying furnace

Info

Publication number: CN211206411U
Application number: CN201921583537.XU
Authority: CN
Inventors: 李月娃
Original assignee: Shenzhen Shancun United Industrial Co ltd
Current assignee: Shenzhen Shancun United Industrial Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-08-07
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses an automatic check out test set of drying furnace water content among the lithium cell drying technology field, one or more drying furnaces pass through the dry pump pipeline and are connected with the dry pump, and the dry pump pipeline is equipped with vacuum valve with the drying furnace junction, one or more drying furnaces directly or through the dry pump pipeline with RGA residual gas detector intercommunication, RGA residual gas test module includes RGA residual gas detector and pressure regulating equipment, and the junction of RGA residual gas detector and pressure regulating equipment is connected with dry pump pipeline/drying furnace through the pneumatic valve, the drying furnace, the dry pump, vacuum valve, the pneumatic valve, RGA residual gas detector all with the wired/wireless connection of control center. The utility model discloses need not the repeated false battery that takes out and carry out artifical the detection, can save the input of cost of labor, saved a large amount of check-out time simultaneously to the precision that detects has obtained the assurance, has guaranteed the efficiency that the system detected, makes the dry assembly line of lithium cell realize full automated production.

Description

Automatic detection equipment for water content of drying furnace

Technical Field

The utility model relates to a lithium cell drying technology field, specific theory relates to an automatic check out test set of drying furnace water content.

Background

Lithium batteries have been widely used in various fields due to their advantages such as portability, low cost, and the like. For a lithium battery, the influence of moisture on the quality of the lithium battery is very important, and products are directly scrapped under the serious condition, mainly because the moisture reacts with electrolyte, harmful gas is generated, the sealing performance of the whole battery is influenced, and meanwhile, the swelling phenomenon is caused.

In order to ensure that the moisture content is low enough during the production of the lithium battery, the drying link is added to the production line of the lithium battery, but the drying degree still needs to be manually detected, so that the working strength of workers of the production line is increased, and the detection effect and the detection precision are seriously influenced. Some systems capable of automatically monitoring air humidity exist in the prior art, but the overall stability of the systems is poor, the systems cannot be completely adapted to the specific vacuum drying occasions of the lithium battery, and the drying data of the lithium battery cannot be accurately measured.

The above-mentioned drawbacks, worth improving.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides an automatic detection device for the water content of a drying furnace.

The utility model discloses technical scheme as follows:

the automatic detection equipment for the water content of the drying furnaces is characterized in that one or more drying furnaces are connected with a dry pump through a dry pump pipeline, and a vacuum valve is arranged at the joint of the dry pump pipeline and the drying furnaces;

one or more dry pump pipelines of the dry pumps are communicated with an RGA residual gas testing module, or one or more drying furnaces are directly communicated with an RGA residual gas detector, the RGA residual gas testing module comprises an RGA residual gas detector and a pressure regulating device, and the joint of the RGA residual gas detector and the pressure regulating device is connected with the dry pump pipelines/the drying furnaces through pneumatic valves;

the drying furnace, the dry pump, the vacuum valve, the pneumatic valve and the RGA residual gas testing module are all in wired/wireless connection with a control center.

According to the above scheme the utility model discloses, a serial communication port, be equipped with electric cabinet and a plurality of drying chamber, every in the drying furnace the exit of drying chamber all is equipped with correspondingly vacuum valve.

According to above scheme the utility model discloses, its characterized in that, the dry pump pipeline includes dry pump pipeline main road and dry pump pipeline branch road, dry pump pipeline main road is connected dry pump and one or more dry pump pipeline branch road, dry pump pipeline branch road with correspond the drying furnace is connected.

According to the above scheme the utility model discloses, its characterized in that, the bottom of dry pump is equipped with truckle and stabilizer blade.

According to above-mentioned scheme the utility model discloses, its characterized in that, RGA residual gas test module pass through the module pipe with the dry pump pipeline/the drying furnace is connected, the pneumatic valve is located on the module pipe.

Furthermore, the pneumatic valve includes first pneumatic valve and second pneumatic valve, first pneumatic valve with the parallelly connected setting in of second pneumatic valve on the module pipe.

The utility model discloses according to above-mentioned scheme, its characterized in that, RGA residual gas detector is located the dry pump/one side of drying furnace.

According to the scheme, the utility model discloses, its beneficial effect lies in, the utility model discloses a RGA residual gas test module carries out humidity detection to the air in the drying furnace of lithium cell, and then can obtain the dry state of lithium cell this moment, need not to take out the false battery repeatedly and carry out manual detection, can save the input of cost of labor, has saved a large amount of check-out time simultaneously to the precision of detection has obtained the assurance, makes the dry assembly line of lithium cell realize full automated production; in addition, the detection pressure of the RGA residual gas detector is adjusted through the pressure adjusting equipment, so that the whole RGA residual gas testing module can be used under any pressure, the protection of the RGA residual gas detector can be realized, and the accuracy of detecting the moisture in the gas is ensured; the utility model discloses well a RGA residual gas test module can adapt to one or more dry pump/drying furnace, and make full use of each drying furnace detects the time difference, has guaranteed the efficiency that the system detected.

Drawings

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

Fig. 2 is an enlarged view of a portion of the box in fig. 1.

In the figure, 11, an electric cabinet; 12. a drying chamber; 20. a dry pump; 21. a caster wheel; 22. a support leg; 31. a main pipeline of the dry pump pipeline; 32. a dry pump pipeline branch; 40. an RGA residual gas detector; 41. a display; 50. a voltage regulating device; 61. a first pneumatic valve; 62. a second pneumatic valve.

Detailed Description

The invention is further described with reference to the following figures and embodiments:

as shown in figures 1 and 2, one or more drying furnaces are connected with a dry pump 20 through a dry pump pipeline, and a vacuum valve is arranged at the connection position of the dry pump pipeline and the drying furnaces. The main pump pipeline comprises a main pump pipeline path 31 and a branch pump pipeline path 32, the main pump pipeline path 31 is connected with the dry pump 20 and one or more branch pump pipeline paths 32, and the branch pump pipeline paths 32 are connected with the corresponding drying furnaces.

Preferably, be equipped with electric cabinet 11 and a plurality of drying chamber 12 in the drying furnace, the exit of every drying chamber 12 all is equipped with corresponding vacuum valve, through the application of a plurality of drying chambers 12, has guaranteed the control of whole drying furnace drying efficiency.

In one embodiment, the dry pump conduits of one or more dry pumps 20 communicate with the RGA residual gas testing module, and pneumatic valves are provided at the connections of the dry pump conduits and the RGA residual gas testing module. The RGA residual gas testing module determines the drying degree of air and lithium batteries in the drying furnace by detecting the content of moisture in gas in the dry pump pipeline.

In another embodiment, one or more drying ovens are connected directly to the RGA residual gas test module and pneumatic valves are provided at the connections. The drying degree of the lithium battery is obtained by detecting the drying degree of the air in the drying furnace through the RGA residual gas testing module.

The utility model discloses in, RGA residual gas test module includes RGA residual gas detector 40 and regulating equipment 50, and RGA residual gas detector 40 and regulating equipment 50's junction is connected with dry pump pipeline/drying furnace through the pneumatic valve, realizes only having the detection of the air water content in single dry chamber 12 at the same time through pneumatic valve and vacuum valve.

Preferably, the RGA residual gas test module is connected to the dry pump line/dry oven via a module pipe, on which the pneumatic valve is arranged. The air-operated valves include a first air-operated valve 61 and a second air-operated valve 62, and the first air-operated valve 61 and the second air-operated valve 62 are provided in parallel on the module pipe. The module pipe of gas is controlled to open and close through two pneumatic valves, so that the system control is more accurate.

The drying furnace, the dry pump 20, the vacuum valve, the pneumatic valve and the RGA residual gas testing module are all in wired/wireless connection with the control center, the timeliness and the accuracy of data transmission are guaranteed through wired connection, and the field wiring is reduced through wireless connection.

Preferably, the bottom of the dry pump is provided with casters 21 and feet 22 to facilitate support and movement of the entire dry pump 20.

In the present invention, the RGA residual gas test module is located at one side of the dry pump 20 or the dry furnace. Through the distance control of RGA residual gas test module and dry pump 20 or drying furnace, reduced the length of each pipeline, and then gaseous detecting in the pipeline under the ability make full use of state at that time, guaranteed the precision that detects. Meanwhile, the whole system is convenient to operate and control by operators.

Preferably, the pressure regulating device 50 is provided with a display, so that different drying chambers and corresponding residual gas results can be conveniently checked.

The utility model discloses at the in-process of realizing:

after the battery is baked in the drying oven, the battery is communicated with a dry pump pipeline of the dry pump, the residual air pressure of the oven cavity is detected through the pressure regulating device 50, and if the residual air pressure exceeds a standard value, the pressure is regulated. After the pressure is stabilized, the RGA residual gas detector 40 detects the content of water vapor in the residual gas, the water vapor reaches a standard value, the battery in the corresponding cranial cavity can be subjected to blanking operation, and if the water content does not reach the standard, the baking is continued. The whole equipment realizes the automatic detection of the drying degree of the lithium battery, and has high detection precision and high efficiency.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. The automatic detection equipment for the water content of the drying furnaces is characterized in that one or more drying furnaces are connected with a dry pump through a dry pump pipeline, and a vacuum valve is arranged at the joint of the dry pump pipeline and the drying furnaces;

2. The automatic detection equipment for the water content of the drying furnace according to claim 1, wherein an electric cabinet and a plurality of drying chambers are arranged in the drying furnace, and an outlet of each drying chamber is provided with the corresponding vacuum valve.

3. The automatic detection equipment of water content of drying furnaces according to claim 1, characterized in that the dry pump pipeline comprises a dry pump pipeline main circuit and a dry pump pipeline branch circuit, the dry pump pipeline main circuit connects the dry pump and one or more of the dry pump pipeline branch circuits, and the dry pump pipeline branch circuit is connected with the corresponding drying furnace.

4. The automatic detection equipment of the water content in the drying furnace according to claim 1, wherein the bottom of the dry pump is provided with casters and feet.

5. The apparatus of claim 1, wherein the RGA residual gas test module is connected to the dry pump line/the drying oven via a module pipe, and the pneumatic valve is disposed on the module pipe.

6. The automatic detection apparatus for water content of drying furnace according to claim 5, wherein said pneumatic valve comprises a first pneumatic valve and a second pneumatic valve, said first pneumatic valve and said second pneumatic valve being disposed in parallel on said module pipe.

7. The apparatus of claim 1, wherein the RGA residual gas detector is located at one side of the dry pump/the drying furnace.