Lithium battery shell drying machine

Abstract

The utility model relates to drying equipment technical field discloses a lithium battery shell drying -machine. This kind of lithium battery shell drying -machine includes: drying cabinet, the upper end of drying cabinet is inserted and is installed with the connecting pipe, the upper portion fixed mounting of connecting pipe has the exhaust air pump, the upper end fixed mounting of exhaust air pump has the exhaust pipe, the upper portion inserted and is installed with infrared temperature measurement module of drying cabinet, the upper portion fixed mounting of drying cabinet has PLC controller, infrared temperature measurement module can carry out temperature monitoring to lithium battery shell surface, thermometer can monitor the temperature of the air in the cavity below drying cabinet inside simultaneously, all infrared temperature measurement module and thermometer can transmit monitoring data to PLC controller, set temperature threshold value through PLC controller, and PLC controller will compare the monitoring data of infrared temperature measurement module and thermometer with threshold value, and when monitoring data approaches threshold value, reduce the power of electric heating piece to avoid that lithium battery shell possibly will be deformed under the influence of high temperature.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field, concretely is a lithium battery shell drying -machine. BACKGROUND

[0002] Lithium battery is a kind of by lithium metal or lithium alloy as positive / negative electrode material, using non-aqueous electrolyte solution battery. Due to the chemical properties of lithium metal is very active, make the processing, preservation, use of lithium metal, the requirement to environment is very high. With the development of science and technology, lithium battery has become mainstream.

[0003] The existing reference announcement number for: CN216250851U Chinese utility model patent, it discloses a kind of lithium battery shell high-efficiency electroplating drying machine, including drying cabinet;The drying cabinet is equipped with multiple groups of drying trays for placing battery shell in it, the drying tray is composed of tray outer frame and multiple groups of roller shafts;The drying cabinet is equipped with multiple groups of air jet pipes, wherein a group of multiple air jet pipes is not less than two, multiple groups of the air jet pipe are located above the drying tray, the air jet pipe is equipped with several air jet holes;The drying cabinet is equipped with multiple groups of non-fixedly connected baffle plates, the baffle plate divides the drying cabinet into multiple independent drying cavities, a drying cavity is equipped with not less than a group of air jet pipes and not less than one drying tray;By setting multiple groups of roller shafts in tray outer frame to form drying tray, driving device drives roller shaft to rotate in drying process, drive battery shell located on roller shaft to rotate, improve drying efficiency and drying uniformity.

[0004] The existing drying equipment generally evaporates water by heating, and the lithium battery shell is generally made of insulating material. During the heating process of the lithium battery shell, the surface temperature of the lithium battery shell cannot be monitored, and the lithium battery shell may be deformed under the influence of high temperature, affecting the quality of the lithium battery shell. At the same time, only by heating the lithium battery shell, the water vapor will stay in the air around the lithium battery shell after evaporation, and the water vapor in the air around the lithium battery shell will affect the drying efficiency after saturation. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a lithium battery shell drying machine, which avoids the influence of excessive temperature on the quality of lithium battery shell and avoids the influence of water vapor saturation on the drying efficiency, solving the above technical problems.

[0007] (II) Technical solution

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a lithium battery shell drying -machine, include: drying -box, the upper end of drying -box is inserted and is installed with the connecting pipe, the upper portion fixed mounting of connecting pipe is equipped with the exhaust air pump, the upper end fixed mounting of exhaust air pump is equipped with the exhaust pipe, the upper portion fixed mounting of drying -box is equipped with the PLC controller, the inside fixed mounting of drying -box is equipped with the supporting plate, the left side fixed mounting of supporting plate is equipped with the limit stop, the center of limit stop is inserted and is installed with the thermometer, the left side swing mounting of drying -box is equipped with the box door, the front side insertion of drying -box is installed with the air inlet pipe, the front end fixed mounting of air inlet pipe is equipped with the air inlet pump, the front end fixed mounting of air inlet pump is equipped with the heating pipe, the inside fixed mounting of heating pipe is equipped with the electric heating piece, the connecting pipe can be convenient for exhaust air pump and drying -box intercommunication.

[0009] As the preferred technical scheme of the utility model, the exhaust air pump is communicated with the inner cavity of the drying box through the connecting pipe, and the air outlet direction of the exhaust air pump is vertically upward.

[0010] As the preferred technical scheme of the utility model, the infrared temperature measurement module is symmetrically installed on the upper end of the drying box before and after the center of the drying box as the reference, and the infrared temperature measurement module vertically penetrates the top end horizontal structure of the drying box and extends to the inside of the drying box.

[0011] As the preferred technical scheme of the utility model, the PLC controller is electrically connected between the two infrared temperature measurement modules on the front and back sides of the drying box, the surface of the supporting plate is provided with an array of through holes vertically penetrating the supporting plate, and the supporting plate is fixedly installed at the lower quarter of the inner cavity of the drying box.

[0012] As the preferred technical scheme of the utility model, the top end of the limit stop is flush with the top surface of the supporting plate, and the thermometer extends to the inner cavity of the drying box by penetrating the end of the limit stop.

[0013] As the preferred technical scheme of the utility model, the air inlet pipe is symmetrically installed on the front and back sides of the drying box before and after the center of the drying box as the reference, and the air inlet pipe is divided into two parts on the side connected with the drying box.

[0014] The utility model discloses an improved technical scheme, the air inlet pump communicates with drying box through air inlet pipe, the front and rear two ends of heating pipe are provided with the taper structure, the heating pipe center pipe diameter is greater than both ends pipe diameter, the electric heating piece action equidistance is installed in the inside of heating pipe, the electric heating piece can make the inside heating of heating pipe.

[0015] Compared with the prior art, the utility model provides a lithium battery shell drying machine, possesses following

[0016] Beneficial effects:

[0017] 1, the utility model discloses a heating pipe's setting, electric heating piece action equidistance is installed in the inside of heating pipe, when the air of heating pipe inside will enter the inside of drying box under the guidance of air inlet pump through air inlet pipe, because heating pipe center pipe diameter is greater than both ends pipe diameter, the outside air flow rate reduces after entering the inside of heating pipe, can increase the time of air in the inside of heating pipe and stay so that air heats under the electric heating piece, because the support plate divides drying box into two chambers of upper and lower, and the side of drying box connection of air inlet pipe is divided into two parts of upper and lower, the pipe diameter of air inlet pipe upper pipeline structure is greater than the pipe diameter of lower pipeline structure, part hot air will directly blow to the lithium battery shell above the support plate through air inlet pipe, part hot air will enter the chamber below the support plate, make the air pressure of drying box inside chamber below the support plate increase, thereby make hot air from the opening structure vertical upward of support plate and move and blow to the bottom of lithium battery shell, the exhaust fan communicates with drying box inner chamber through the connecting pipe, this mode can make hot air from the top of drying box after entering the inside of drying box, with the outside world forms the gas circulation of drying box inner chamber, carries away the water vapor in the inside of drying box through the airflow, to avoid drying efficiency of the saturated air water vapor in the inside of drying box influence.

[0018] 2, the utility model discloses a infrared temperature measurement module's setting, infrared temperature measurement module is with the center of drying box as the benchmark and is installed on the upper end of drying box symmetrically, and infrared temperature measurement module vertically penetrates drying box top end horizontal structure and extends to the inside of drying box, infrared temperature measurement module can carry out temperature monitoring to lithium battery shell surface, thermometer can monitor the temperature of the air in the cavity below drying box simultaneously, all infrared temperature measurement modules and thermometer can transmit monitoring data to PLC controller, sets temperature threshold through PLC controller, PLC controller will compare the monitoring data of infrared temperature measurement module and thermometer with threshold value, and when monitoring data approaches threshold value, reduces the power of electric heating piece to avoid that lithium battery shell can be deformed under the influence of high temperature. ACCURACY OF DRAWINGS

[0019] Figure 1 It is whole structure schematic diagram of the utility model;

[0020] Figure 2The utility model discloses a drying box and exhaust pipe connecting structure schematic view;

[0021] Figure 3 The utility model discloses a drying box and air inlet pipe connecting structure schematic view;

[0022] Figure 4 The utility model discloses an air inlet pipe and heating pipe connecting structure schematic view;

[0023] Among them: 1, drying box, 11, connecting pipe, 12, exhaust air pump, 13, exhaust pipe, 14, infrared temperature measurement module, 15, PLC controller, 16, support plate, 17, limit board, 18, thermometer, 19, box door, 2, air inlet pipe, 21, air inlet pump, 22, heating pipe, 23, electric heating sheet. DETAILED DESCRIPTION

[0024] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0025] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected;Can be mechanically connected, or electrically connected;It can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0027] Please refer to Figure 1 - Figure 4In this embodiment, a lithium battery shell drying machine comprises a drying box 1, a connecting pipe 11 is inserted into the upper end of the drying box 1, an exhaust air pump 12 is fixedly installed above the connecting pipe 11, an exhaust pipe 13 is fixedly installed at the upper end of the exhaust air pump 12, an infrared temperature measurement module 14 is inserted into the upper end of the drying box 1, a PLC controller 15 is fixedly installed above the drying box 1, a support plate 16 is fixedly installed inside the drying box 1, a limiting plate 17 is fixedly installed on the left side of the support plate 16, a thermometer 18 is inserted into the center of the limiting plate 17, and a box door 19 is movably installed on the left side of the drying box 1.

[0028] The exhaust air pump 12 is communicated with the inner cavity of the drying box 1 through the connecting pipe 11, and the air outlet direction of the exhaust air pump 12 is vertically upward.

[0029] The infrared temperature measurement module 14 is symmetrically installed on the upper end of the drying box 1 with the center of the drying box 1 as the reference, and the infrared temperature measurement module 14 vertically penetrates the top end horizontal structure of the drying box 1 and extends to the inside of the drying box 1.

[0030] The PLC controller 15 is electrically connected between the two infrared temperature measurement modules 14 on the front and back sides of the drying box 1, the surface of the support plate 16 is provided with an array of through holes vertically penetrating the support plate 16, and the support plate 16 is fixedly installed at the lower quarter of the inner cavity of the drying box 1.

[0031] The top end of the limiting plate 17 is flush with the top surface of the support plate 16, and the thermometer 18 penetrates the end of the limiting plate 17 and extends to the inner cavity of the drying box 1.

[0032] Specifically, the drying box 1 can avoid temperature loss, the connecting pipe 11 can facilitate the communication between the exhaust air pump 12 and the drying box 1, the exhaust air pump 12 can exhaust the gas inside the drying box 1, the exhaust pipe 13 can limit the gas exhaust direction, the infrared temperature measurement module 14 can monitor the surface temperature of the battery shell, the PLC controller 15 can control the power of the electric heating element 23 according to the monitoring data of the infrared temperature measurement module 14 to reduce the temperature of the airflow entering the inside of the drying box 1, the support plate 16 can support the lithium battery shell, the limiting plate 17 can limit the position of the gas, the thermometer 18 can monitor the temperature inside the cavity below the support plate 16, and the box door 19 is movably connected between the drying box 1 through a hinge, and the box door 19 can facilitate the closure of the left side of the drying box 1.

[0033] An air inlet pipe 2 is inserted into the front side of the drying box 1, an air inlet pump 21 is fixedly installed at the front end of the air inlet pipe 2, a heating pipe 22 is fixedly installed at the front end of the air inlet pump 21, and an electric heating element 23 is fixedly installed inside the heating pipe 22.

[0034] The air inlet pipe 2 is symmetrically installed on the front and back sides of the drying box 1, and is divided into upper and lower parts on the side connected with the drying box 1. The pipe diameter of the upper part of the air inlet pipe 2 is larger than that of the lower part.

[0035] The air inlet pump 21 is communicated with the drying box 1 through the air inlet pipe 2. The front and back ends of the heating pipe 22 are provided with a tapered structure. The center pipe diameter of the heating pipe 22 is larger than the pipe diameter of the two ends. The electric heating sheet 23 is installed inside the heating pipe 22 at an equal distance.

[0036] The air inlet pipe 2 can facilitate the airflow to enter the inside of the drying box 1 from the upper and lower sides of the support plate 16. The air inlet pump 21 can transport the air inside the heating pipe 22 to the inside of the drying box 1. The heating pipe 22 can limit the relative position between the electric heating sheets 23. The electric heating sheet 23 can make the inside of the heating pipe 22 warm up.

[0037] In use, the electric heating sheet 23 is arranged equidistantly inside the heating pipe 22, when the air inlet pump 21 is started, the air inside the heating pipe 22 is guided by the air inlet pump 21 to enter the inside of the drying box 1 through the air inlet pipe 2, because the central pipe diameter of the heating pipe 22 is larger than the pipe diameter of the two ends, the flow rate of the outside air decreases after entering the inside of the heating pipe 22, which can increase the time of the air staying in the heating pipe 22 to facilitate the heating of the air under the heating of the electric heating sheet 23, because the support plate 16 divides the drying box 1 into two chambers, and the side of the air inlet pipe 2 connected with the drying box 1 is divided into two parts, the pipe diameter of the upper pipeline structure of the air inlet pipe 2 is larger than the pipe diameter of the lower pipeline structure, part of the hot air will directly blow to the lithium battery shell above the support plate 16 through the air inlet pipe 2, and part of the hot air will enter the chamber below the support plate 16, so that the air pressure in the chamber below the support plate 16 in the inside of the drying box 1 is increased, thereby making the hot air move vertically upward from the hole structure of the support plate 16 to blow to the bottom of the lithium battery shell, the exhaust air pump 12 is communicated with the inner cavity of the drying box 1 through the connecting pipe 11, which can make the hot air exhaust from the top of the drying box 1 after entering the inside of the drying box 1, so that the inner cavity of the drying box 1 and the outside form a gas circulation, the hot air can increase the temperature of the lithium battery shell, thereby drying the lithium battery shell, and increase the gas flow rate to improve the drying efficiency, at the same time, the water vapor in the inside of the drying box 1 can be taken away by the airflow to avoid the saturation of the water vapor in the air in the inside of the drying box 1 affecting the drying efficiency, the infrared temperature measurement module 14 is symmetrically arranged on the upper end of the drying box 1 before and after the center of the drying box 1 as a reference, and the infrared temperature measurement module 14 vertically penetrates the top horizontal structure of the drying box 1 and extends to the inside of the drying box 1, the infrared temperature measurement module 14 can monitor the temperature of the surface of the lithium battery shell, and the thermometer 18 can monitor the temperature of the air in the cavity below the drying box 1, all the infrared temperature measurement modules 14 and the thermometer 18 can transmit the monitoring data to the PLC controller 15, the PLC controller 15 sets the temperature threshold value, the PLC controller 15 compares the monitoring data of the infrared temperature measurement module 14 and the thermometer 18 with the threshold value, and reduces the power of the electric heating sheet 23 when the monitoring data approaches the threshold value to avoid the lithium battery shell being deformed under the influence of high temperature.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lithium battery case drying machine, characterized by, Include: The upper end of the drying box (1) is provided with a connecting pipe (11), the upper end of the connecting pipe (11) is fixedly provided with an exhaust air pump (12), the upper end of the exhaust air pump (12) is fixedly provided with an exhaust pipe (13), the upper end of the drying box (1) is provided with an infrared temperature measurement module (14), the upper end of the drying box (1) is fixedly provided with a PLC controller (15), the inside of the drying box (1) is fixedly provided with a support plate (16), the left side of the support plate (16) is fixedly provided with a limiting plate (17), the center of the limiting plate (17) is provided with a thermometer (18), the left side of the drying box (1) is movably provided with a box door (19), the front side of the drying box (1) is provided with an air inlet pipe (2), the front end of the air inlet pipe (2) is fixedly provided with an air inlet pump (21), the front end of the air inlet pump (21) is fixedly provided with a heating pipe (22), the inside of the heating pipe (22) is fixedly provided with an electric heating element (23).

2. The lithium battery shell drying machine according to claim 1, wherein: The exhaust air pump (12) is communicated with the inner cavity of the drying box (1) through the connecting pipe (11), and the air outlet direction of the exhaust air pump (12) is vertically upward.

3. The lithium battery shell drying machine according to claim 1, wherein: The infrared temperature measurement module (14) is symmetrically installed on the upper end of the drying box (1) with the center of the drying box (1) as the reference, and the infrared temperature measurement module (14) vertically penetrates the top end horizontal structure of the drying box (1) and extends to the inside of the drying box (1).

4. The lithium battery shell drying machine according to claim 1, wherein: The PLC controller (15) is electrically connected with the infrared temperature measurement modules (14) on the front and back sides of the drying box (1), the surface of the support plate (16) is provided with an array of through holes vertically penetrating the support plate (16), and the support plate (16) is fixedly installed at the lower quarter of the inner cavity of the drying box (1).

5. The lithium battery shell drying machine according to claim 1, wherein: The top end of the limiting plate (17) is flush with the top surface of the support plate (16), and the thermometer (18) penetrates the end of the limiting plate (17) and extends to the inner cavity of the drying box (1).

6. The lithium battery shell drying machine according to claim 1, wherein: The air inlet pipe (2) is symmetrically installed on the front and back sides of the drying box (1) with the center of the drying box (1) as the reference, one side of the air inlet pipe (2) connected with the drying box (1) is divided into upper and lower parts, and the pipe diameter of the upper pipe structure of the air inlet pipe (2) is larger than that of the lower pipe structure.

7. The lithium battery shell drying machine according to claim 1, wherein: The air inlet pump (21) is communicated with the drying box (1) through the air inlet pipe (2), the front and back ends of the heating pipe (22) are provided with a tapered structure, the center pipe diameter of the heating pipe (22) is larger than the pipe diameters of the two ends, and the electric heating element (23) is installed at equal distances in the inside of the heating pipe (22).

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