CN219713820U

CN219713820U - Low-temperature drying device

Info

Publication number: CN219713820U
Application number: CN202223156158.7U
Authority: CN
Inventors: 何学祥; 李桂洪; 王峻松
Original assignee: Guangdong Jiashang New Energy Technology Co ltd
Current assignee: Guangdong Jiashang New Energy Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-09-19
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the technical field of lithium battery cell drying, in particular to a low-temperature drying device, which comprises a workbench, a drying box on the top surface of the workbench, a box cover at the top end of the drying box, an air outlet pipe fixed on the left side surface of the drying box and communicated with the inside of the drying box, an electromagnetic valve on the outer wall of the air outlet pipe, and an air pressure sensor on the bottom surface of the inside of the drying box, and further comprises: and the drying mechanism is arranged on the right side surface of the drying box and is used for drying the lithium battery cells placed in the drying box. According to the utility model, the air pressure in the drying box can be controlled through the cooperation of the air pressure sensor, the electromagnetic valve, the air outlet pipe and the external PLC, so that the danger caused by overlarge air pressure in the drying box is prevented, and the cold air can be quickly diffused to all parts in the drying box through the design of the drying mechanism, so that the lithium battery cells on the surface of the placing plate can be comprehensively and quickly dried.

Description

Low-temperature drying device

Technical Field

The utility model relates to the technical field of drying of lithium battery cells, in particular to a low-temperature drying device.

Background

The lithium ion secondary rechargeable battery consists of a battery core and a protection circuit board, the protection circuit board is the battery core after the rechargeable battery is removed, the battery core is an electric storage part in the rechargeable battery, the battery core needs to be subjected to low-temperature drying treatment in the production process, and a low-temperature drying device is needed for the low-temperature drying treatment.

Patent publication No. CN208704343U discloses a low temperature drying device comprising a heat pump system, a drying system and an adsorption system; the heat pump system comprises a compressor, a condenser, a heat radiation fan, an evaporator and a heat pump pipeline; the drying system comprises a drying box, a circulating fan and a drying pipeline; the adsorption system comprises an adsorption chamber and an adsorption pipeline.

Although the device has lower cost and obvious drying effect, uninterrupted operation can be realized in the drying process, and good economic benefit can be created while good low-temperature adsorption effect is achieved; the device has the advantages of high practicality, simple maintenance and operation, and the like, is simple to operate and maintain, and does not need complicated manual operation after required equipment is installed and debugged, but the diffusion speed of cold air in the device is low, so that the drying speed of the whole drying device is slow.

Disclosure of Invention

The utility model aims to provide a low-temperature drying device, which solves the problem that the drying speed of the whole drying device is slow due to the slow diffusion speed of cold air in the drying device proposed in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a low temperature drying device, includes the drying cabinet on workstation, the workstation top surface, the case lid on drying cabinet top, fixes on the left side surface of drying cabinet and rather than inside be linked together outlet duct, the solenoid valve on the outlet duct outer wall, the air pressure sensor on the inside bottom surface of drying cabinet, still includes:

and the drying mechanism is arranged on the right side surface of the drying box and is used for drying the lithium battery cells placed in the drying box.

As a preferred implementation mode, the top end of the drying box is provided with two sliding grooves, and the bottom end of the box cover is fixedly provided with two sliding strips which are in sliding connection with the same side sliding grooves.

As a preferred implementation mode, be equipped with the recess on the right side inner wall of drying cabinet, be equipped with the through-hole that is linked together with the recess on the right side outer wall of drying cabinet, drying mechanism is including fixing motor on the drying cabinet right side outer wall, with motor output shaft coaxial coupling's pivot, inlay the inside bearing of establishing at the recess, run through in the through-hole and with bearing coaxial coupling's commentaries on classics pipe, with commentaries on classics pipe coaxial coupling and be located the flabellum of drying cabinet inside, the right side of drying cabinet is equipped with two intermeshing's gears, one of them gear and pivot coaxial coupling, another the gear coaxial fastening is on changeing the pipe outer wall, drying mechanism still includes the cooling gas machine that is located workstation top surface and is close to right-hand member department, the gas pipe that goes out of cooling gas machine closely cup joints the breather pipe that closely laminates with changeing the pipe inner wall.

As a preferred embodiment, the chute is shaped like an i, and the slide bar is shaped like an i.

As a preferred embodiment, the outer diameter of the rotary pipe is matched with the inner diameter of the through hole, and the left end of the rotary pipe is positioned inside the drying oven.

As a preferred implementation mode, the inner wall of the drying box is fixedly provided with a placing plate, and the top surface of the placing plate is provided with a plurality of through grooves.

As a preferable implementation mode, a sealing ring is arranged at the contact part of the vent pipe and the cold air outlet pipe of the refrigerating air machine, and a sealing ring is arranged at the contact part of the air outlet pipe and the drying box.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the workbench, the drying box, the box cover, the drying mechanism, the two sliding strips, the air outlet pipe, the electromagnetic valve, the placing plate and the air pressure sensor are arranged, the drying mechanism comprises the refrigerating machine, the ventilating pipe, the motor, the rotating shaft, the two gears, the rotating pipe, the bearing and the fan blade, the air pressure in the drying box can be controlled through the cooperation of the air pressure sensor, the electromagnetic valve, the air outlet pipe and the external PLC, the danger caused by the overlarge air pressure in the drying box is prevented, the refrigerating machine can be rapidly diffused to all parts in the drying box through the design of the drying mechanism, and therefore, the lithium battery cells on the surface of the placing plate can be comprehensively and rapidly dried;

2. according to the utility model, the top end of the drying box is provided with two sliding grooves, and the bottom end of the box cover is fixedly provided with two sliding strips which are in sliding connection with the same side sliding grooves, so that the box cover can be taken and placed more conveniently.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a partial exploded view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is a schematic view showing the internal structure of the drying oven according to the present utility model;

FIG. 5 is a cross-sectional view of the drying oven of the present utility model;

FIG. 6 is an enlarged view of the utility model at B;

FIG. 7 is a schematic view of the whole structure of the drying mechanism according to the present utility model;

fig. 8 is an exploded view of the drying mechanism of the present utility model.

The meaning of each reference numeral in the figures is:

1. a work table; 2. a drying box; 21. a chute; 22. a groove; 23. a through hole; 3. a case cover; 4. a drying mechanism; 41. a refrigerating machine; 42. a vent pipe; 43. a motor; 44. a rotating shaft; 45. a gear; 46. a rotary pipe; 47. a bearing; 48. a fan blade; 5. a slide bar; 6. an air outlet pipe; 7. an electromagnetic valve; 8. placing a plate; 9. an air pressure sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the present utility model provides a technical solution: the utility model provides a low temperature drying device, includes drying cabinet 2 on workstation 1, workstation 1 top surface, the case lid 3 on drying cabinet 2 top, fixes on drying cabinet 2 left side surface and the outlet duct 6 that is linked together with its inside, solenoid valve 7 on the outer wall of outlet duct 6, air pressure sensor 9 on the inside bottom surface of drying cabinet 2 still includes:

and a drying mechanism 4 arranged on the right side surface of the drying box 2 and used for drying the lithium battery cells placed inside the drying box 2.

In this embodiment, two sliding grooves 21 are provided at the top end of the drying oven 2, and two sliding strips 5 slidably connected with the sliding grooves 21 at the same side are fixed at the bottom end of the oven cover 3, so that the oven cover 3 can be more conveniently taken and placed.

Besides, the right inner wall of the drying box 2 is provided with a groove 22, the right outer wall of the drying box 2 is provided with a through hole 23 communicated with the groove 22, the drying mechanism 4 comprises a motor 43 fixed on the right outer wall of the drying box 2, a rotating shaft 44 coaxially connected with an output shaft of the motor 43, a bearing 47 embedded in the groove 22, a rotating tube 46 penetrating through the through hole 23 and coaxially connected with the bearing 47, a fan blade 48 coaxially connected with the rotating tube 46 and positioned in the drying box 2, the right side of the drying box 2 is provided with two gears 45 meshed with each other, one gear 45 is coaxially connected with the rotating shaft 44, the other gear 45 is coaxially fixed on the outer wall of the rotating tube 46, the drying mechanism 4 further comprises a refrigerating gas machine 41 positioned on the top surface of the workbench 1 near the right end, a vent pipe 42 closely attached to the inner wall of the rotating tube 46 is tightly sleeved on a cold gas outlet pipe of the refrigerating gas machine 41, and cold gas can be rapidly diffused to various parts in the drying box 2 through the design of the drying mechanism 4, so that lithium battery cells in the drying box 2 can be more comprehensively and rapidly dried.

Further, the shape of the chute 21 is i-shaped, and the shape of the slide bar 5 is also i-shaped, so that the slide bar 5 can slide in the chute 21 at the same side more stably, and the slide bar 5 can be prevented from being separated from the chute 21.

Specifically, the outer diameter of the rotary tube 46 is matched with the inner diameter of the through hole 23, and the left end of the rotary tube 46 is positioned inside the drying box 2, so that cold air can be prevented from escaping from a gap between the rotary tube 46 and the through hole 23, and the left end of the rotary tube 46 is arranged inside the drying box 2, so that the fan blades 48 can be conveniently fixed.

It is worth noting that the inner wall of the drying box 2 is fixedly provided with a placing plate 8, the top surface of the placing plate 8 is provided with a plurality of through grooves, and the placing plate 8 can be used for placing lithium battery cells which need to be dried.

It should be noted that, the sealing ring is arranged at the contact position of the vent pipe 42 and the cold air outlet pipe of the refrigerating air machine 41, and the sealing ring is arranged at the contact position of the air outlet pipe 6 and the drying box 2, so that the tightness of the whole drying device can be improved, and the influence of the escape of cold air on the drying effect can be prevented.

Finally, it should be noted that the components of the refrigerator 41, the motor 43, the electromagnetic valve 7, the air pressure sensor 9 and the like in the utility model are all universal standard components or components known to those skilled in the art, the structure and principle of the components are all known by the skilled person through technical manuals or known through routine experimental methods, all the electric devices are connected through wires at the idle position of the device, the power elements, the electric devices, the adaptive controller and the power supply are referred to as power elements, the specific connection means refer to the working principle in the utility model, the electric connection of the electric devices is completed according to the sequence of working, and the detailed connection means are all known in the art.

In the specific use process of the embodiment, firstly, the air pressure sensor 9, the motor 43 and the air cooler 41 are started through the external PLC, the air cooler 41 produces cold air and introduces the cold air into the air pipe 42, the cold air entering the air pipe 42 subsequently enters the drying oven 2, meanwhile, the rotation of the output shaft of the motor 43 drives the rotation shaft 44 coaxially connected with the motor to rotate, the rotation of the rotation shaft 44 drives the gear 45 coaxially connected with the motor to rotate, the rotation of the gear 45 drives the other gear 45 meshed with the gear 45 to rotate, the rotation of the other gear 45 drives the rotation pipe 46 coaxially and fixedly connected with the gear 45 to rotate, the rotation pipe 46 rotates to drive the fan blades 48 to rotate, and the fan blades 48 can blow the cold air coming out of the air pipe 42 to all parts in the drying oven 2 in the rotation process, so that the drying effect of the cell on the surface of the placing plate 8 is better;

when the air pressure value inside the drying box 2 exceeds a set value, the air pressure sensor 9 transmits an air pressure signal to the external PLC, the external PLC starts the electromagnetic valve 7, the electromagnetic valve 7 is started to enable the air outlet pipe 6 to exhaust, when the air pressure value inside the drying box 2 is smaller than the set value, the external PLC closes the electromagnetic valve 7 to stop exhausting, and after the drying is performed for a certain time, the motor 43 and the refrigerating air machine 41 are closed through the external PLC.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a low temperature drying device, includes drying cabinet (2) on workstation (1), workstation (1) top surface, case lid (3) on drying cabinet (2) top, fixes outlet duct (6) that are linked together on drying cabinet (2) left side surface and with its inside, solenoid valve (7) on outlet duct (6) outer wall, air pressure sensor (9) on the inside bottom surface of drying cabinet (2), its characterized in that still includes:

and the drying mechanism (4) is arranged on the right side surface of the drying box (2) and is used for drying the lithium battery cells placed in the drying box (2).

2. The cryogenic drying apparatus of claim 1, wherein: the top end of the drying box (2) is provided with two sliding grooves (21), and the bottom end of the box cover (3) is fixedly provided with two sliding strips (5) which are in sliding connection with the same side sliding grooves (21).

3. The cryogenic drying apparatus of claim 1, wherein: be equipped with recess (22) on the right side inner wall of drying cabinet (2), be equipped with on the right side outer wall of drying cabinet (2) through-hole (23) that are linked together with recess (22), drying mechanism (4) are including fixing motor (43) on drying cabinet (2) right side outer wall, pivot (44) with motor (43) output shaft coaxial coupling, inlay and establish at inside bearing (47) of recess (22), run through in through-hole (23) and with bearing (47) coaxial coupling's commentaries on classics pipe (46), with commentaries on classics pipe (46) coaxial coupling and be located flabellum (48) inside drying cabinet (2), the right side of drying cabinet (2) is equipped with two intermeshing gears (45), one of them gear (45) and pivot (44) coaxial coupling, another gear (45) coaxial coupling is on commentaries on classics pipe (46) outer wall, drying mechanism (4) still including being located the top surface of workstation (1) and being close to right-hand member department refrigerating gas machine (41), the exhaust pipe of refrigerating gas machine (41) cup joints closely with commentaries on classics pipe (46) inner wall (42).

4. The cryogenic drying apparatus of claim 2, wherein: the sliding groove (21) is I-shaped, and the sliding strip (5) is I-shaped.

5. A cryogenic drying plant according to claim 3, characterized in that: the outer diameter of the rotary pipe (46) is matched with the inner diameter of the through hole (23), and the left end of the rotary pipe (46) is positioned in the drying box (2).

6. The cryogenic drying apparatus of claim 1, wherein: the inner wall of the drying box (2) is fixedly provided with a placing plate (8), and the top surface of the placing plate (8) is provided with a plurality of through grooves.

7. A cryogenic drying plant according to claim 3, characterized in that: the part of the vent pipe (42) contacted with the cold air outlet pipe of the refrigerating air machine (41) is provided with a sealing ring, and the part of the air outlet pipe (6) contacted with the drying box (2) is provided with a sealing ring.