CN104567292A - Vacuum drying equipment for power battery - Google Patents
Vacuum drying equipment for power battery Download PDFInfo
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- CN104567292A CN104567292A CN201410814891.4A CN201410814891A CN104567292A CN 104567292 A CN104567292 A CN 104567292A CN 201410814891 A CN201410814891 A CN 201410814891A CN 104567292 A CN104567292 A CN 104567292A
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Abstract
本发明属于干燥设备技术领域，特别涉及一种动力电池真空干燥设备，包括箱体、设置于所述箱体的炉腔、与所述炉腔配合的炉门机构、与所述炉腔连通的运风系统及设置于所述箱体侧部的控制部，所述炉腔包括炉腔本体、载料轨道、载料盘隔离板和云母片，所述载料轨道、所述载料盘隔离板和所述云母片均设置于所述炉腔本体内。本发明实现了电芯自动化上料，提高了干燥效率与干燥效果，减小了设备的功耗，达到了高效节能的效果。
The invention belongs to the technical field of drying equipment, and particularly relates to a power battery vacuum drying equipment, which includes a box body, a furnace cavity arranged in the box body, a furnace door mechanism matched with the furnace cavity, and a The air transport system and the control part arranged on the side of the box body, the furnace cavity includes a furnace cavity body, a loading track, a loading tray isolation plate and a mica sheet, and the loading track and the loading tray are isolated Both the plate and the mica sheet are arranged in the furnace cavity body. The invention realizes the automatic charging of electric cores, improves the drying efficiency and drying effect, reduces the power consumption of equipment, and achieves the effect of high efficiency and energy saving.
Description
技术领域 technical field
本发明属于干燥设备技术领域，特别涉及一种动力电池真空干燥设备。 The invention belongs to the technical field of drying equipment, in particular to a power battery vacuum drying equipment.
技术背景 technical background
目前，电动汽车所用的方形锂离子动力电池在生产装配过程通常采用：“裸电芯入铝壳→电芯干燥去除水分→电芯顶盖与铝壳焊接”的工艺。而电芯干燥的效果将直接影响电池是否合格，电芯中的水分是否超标将严重影响电池的寿命以及电池的性能，所以裸电芯干燥在整个装配过程显得至关重要。但在目前行业内的真空干燥设备均存在以下四个问题：一）、自动化程度低，电芯上下料均需操作员完成；二）、干燥效率低，普遍需要真空干燥24h；三）、干燥效果不好，主要体现为干燥后电芯水含量超出标准，且每个电芯的干燥效果不一致；四）、干燥设备耗能高，干燥成本高。如何解决以上四个问题成为锂离子动力电池装配过程的关键难点。 At present, the production and assembly process of square lithium-ion power batteries used in electric vehicles usually adopts the process of "bare cells are inserted into the aluminum case → the cells are dried to remove moisture → the top cover of the cells is welded to the aluminum case". The effect of cell drying will directly affect whether the battery is qualified, and whether the moisture in the cell exceeds the standard will seriously affect the life of the battery and the performance of the battery, so the drying of bare cells is very important in the entire assembly process. However, the current vacuum drying equipment in the industry has the following four problems: 1) The degree of automation is low, and the loading and unloading of the battery needs to be completed by the operator; 2) The drying efficiency is low, and vacuum drying is generally required for 24 hours; 3) Drying The effect is not good, mainly reflected in the fact that the water content of the cells after drying exceeds the standard, and the drying effect of each cell is inconsistent; 4) The drying equipment consumes high energy and the drying cost is high. How to solve the above four problems has become a key difficulty in the assembly process of lithium-ion power batteries.
发明内容 Contents of the invention
本发明的目的在于：针对现有技术的不足，而提供一种动力电池真空干燥设备，以解决电芯干燥过程自动化程度低、干燥效率低、干燥效果达不到工艺要求以及干燥设备耗能高等问题。 The purpose of the present invention is to provide a vacuum drying equipment for power batteries in view of the deficiencies in the prior art, so as to solve the problems of low automation of the battery drying process, low drying efficiency, drying effect that cannot meet the process requirements, and high energy consumption of the drying equipment. question.
为实现上述目的，本发明的技术方案是： For realizing the above object, technical scheme of the present invention is:
一种动力电池真空干燥设备，包括箱体、设置于所述箱体的炉腔、与所述炉腔配合的炉门机构、与所述炉腔连通的运风系统及设置于所述箱体侧部的控制部，所述炉腔包括炉腔本体、载料轨道、载料盘隔离板和云母片，所述载料轨道、所述载料盘隔离板和所述云母片均设置于所述炉腔本体内。 A vacuum drying equipment for a power battery, comprising a box body, a furnace cavity arranged in the box body, a furnace door mechanism cooperating with the furnace cavity, an air delivery system communicated with the furnace cavity, and a furnace cavity arranged in the box body The control part of the side, the furnace cavity includes a furnace cavity body, a loading track, a loading tray isolation plate and a mica sheet, and the loading track, the loading tray isolation plate and the mica sheet are all arranged on the inside the oven cavity.
作为本发明所述的动力电池真空干燥设备的一种改进，所述炉腔本体设置为方形结构，所述云母片设置为若干个，若干个所述云母片布置于所述炉腔本体内壁的四个面。本发明用云母片代替现有技术的发热管加热，最高温度可达到130℃，且功耗比发热管小40%实现高效节能效果。 As an improvement of the power battery vacuum drying equipment described in the present invention, the furnace cavity body is arranged in a square structure, the mica sheets are arranged in several pieces, and several mica sheets are arranged on the inner wall of the furnace cavity body. four sides. In the present invention, mica sheets are used to replace the heat pipes in the prior art for heating, the maximum temperature can reach 130° C., and the power consumption is 40% smaller than that of the heat pipes to achieve high efficiency and energy saving effect.
作为本发明所述的动力电池真空干燥设备的一种改进，所述载料轨道设置为若干个，所述载料盘隔离板位于其中两个所述载料轨道之间。在烘干电芯时，采用小车送料上料，然后通过控制部启动开关打开炉门，干燥的炉腔内留有供载电芯用的载料轨道，小车可以将托盘通过载料轨道送入干燥炉腔内，完成电芯转移的自动化。 As an improvement of the power battery vacuum drying equipment of the present invention, there are several loading tracks, and the loading tray isolation plate is located between two of the loading tracks. When drying the electric core, use the trolley to feed and load the material, and then open the furnace door through the start switch of the control part. There is a loading track for the electric core in the dry furnace cavity, and the trolley can send the tray through the loading track. In the drying furnace cavity, the automation of cell transfer is completed.
作为本发明所述的动力电池真空干燥设备的一种改进，所述炉腔本体设置有进风口、出风口、氮气入口和真空接口。 As an improvement of the power battery vacuum drying equipment described in the present invention, the furnace cavity body is provided with an air inlet, an air outlet, a nitrogen inlet and a vacuum interface.
作为本发明所述的动力电池真空干燥设备的一种改进，所述运风系统包括抽真空管道、进风管道、气体加热管、出风管道、氮气进风管道和运风风源，所述抽真空管道的一端连通于所述真空接口，所述抽真空管道的另一端连通于抽真空设备，所述进风管道连通于所述进风口，所述出风管道连通于所述出风口，所述出风管道通过所述气体加热管与所述进风管道连通，且所述进风管道与所述运风风源连通，所述氮气进风管道连通于所述氮气入口。本发明的所述运风系统能使热量均匀分布到炉腔本体内的每个角落；另外增加的氮气呼吸功能，氮气能将从电芯干燥出来的水分带出炉腔本体，在氮气进入炉腔本体时需对氮气进行加热，确保氮气进入炉腔本体的温度接近炉腔本体内部温度，以避免由于氮气温度低于炉腔本体温度造成干燥出来的水分冷凝而影响干燥效果。 As an improvement of the power battery vacuum drying equipment described in the present invention, the air transport system includes a vacuum pumping pipe, an air inlet pipe, a gas heating pipe, an air outlet pipe, a nitrogen air inlet pipe and an air source for air transport. One end of the vacuum pipe is connected to the vacuum interface, the other end of the vacuum pipe is connected to the vacuum equipment, the air inlet pipe is connected to the air inlet, and the air outlet pipe is connected to the air outlet. The air outlet duct communicates with the air intake duct through the gas heating pipe, and the air intake duct communicates with the transport wind source, and the nitrogen air intake duct communicates with the nitrogen inlet. The air delivery system of the present invention can evenly distribute heat to every corner of the furnace cavity body; in addition, with the added nitrogen breathing function, the nitrogen gas can take the moisture dried from the battery out of the furnace cavity body, and when the nitrogen gas enters the furnace cavity The nitrogen needs to be heated during the body to ensure that the temperature of the nitrogen entering the furnace body is close to the internal temperature of the furnace body, so as to avoid the drying effect being affected by the condensation of the dried moisture due to the nitrogen temperature being lower than the temperature of the furnace body.
作为本发明所述的动力电池真空干燥设备的一种改进，所述炉腔本体的外壁设置有若干加强筋，若干所述加强筋均匀布置于所述炉腔本体的外壁。在抽真空时，加强筋可确保炉腔本体在抽真空过程不变形，耐抽真空至-100KPa以上，重要的是能将干燥时间缩短至12h之内。 As an improvement of the power battery vacuum drying equipment of the present invention, the outer wall of the furnace cavity body is provided with several reinforcing ribs, and the several reinforcing ribs are evenly arranged on the outer wall of the furnace cavity body. When vacuuming, the reinforcing ribs can ensure that the furnace cavity body does not deform during the vacuuming process, and can withstand vacuuming to above -100KPa. The most important thing is that it can shorten the drying time to within 12 hours.
作为本发明所述的动力电池真空干燥设备的一种改进，所述炉腔本体的炉口设置有炉门密封圈，用于关闭炉门时进行密封。 As an improvement of the power battery vacuum drying equipment described in the present invention, the furnace opening of the furnace cavity body is provided with a furnace door sealing ring for sealing when the furnace door is closed.
作为本发明所述的动力电池真空干燥设备的一种改进，所述炉门机构包括炉门、活动杆、固定板、伸缩杆、伸缩气缸和固定块，所述活动杆的一端与所述炉门固定连接，所述活动杆的另一端与所述伸缩杆的一端活动连接，所述活动杆的中部与所述固定板转动连接，所述伸缩杆的另一端连接于所述伸缩气缸的输出端，所述伸缩气缸与所述固定块连接。 As an improvement of the power battery vacuum drying equipment described in the present invention, the furnace door mechanism includes a furnace door, a movable rod, a fixed plate, a telescopic rod, a telescopic cylinder and a fixed block, and one end of the movable rod is connected to the furnace The door is fixedly connected, the other end of the movable rod is movably connected to one end of the telescopic rod, the middle part of the movable rod is rotatably connected to the fixed plate, and the other end of the telescopic rod is connected to the output of the telescopic cylinder end, the telescopic cylinder is connected with the fixed block.
作为本发明所述的动力电池真空干燥设备的一种改进，所述炉门机构还包括辅助杆和连接板，所述辅助杆的一端与所述所述炉门固定连接，所述辅助杆的另一端转动连接于所述固定板，所述连接板的一端与所述固定块连接，所述连接板的另一端与所述固定板连接。 As an improvement of the power battery vacuum drying equipment of the present invention, the furnace door mechanism further includes an auxiliary rod and a connecting plate, one end of the auxiliary rod is fixedly connected to the furnace door, and the The other end is rotatably connected to the fixing plate, one end of the connecting plate is connected to the fixing block, and the other end of the connecting plate is connected to the fixing plate.
作为本发明所述的动力电池真空干燥设备的一种改进，所述固定板和所述固定块均固定于所述箱体，方便于炉门机构进行动作。 As an improvement of the power battery vacuum drying equipment described in the present invention, both the fixing plate and the fixing block are fixed on the box, which is convenient for the furnace door mechanism to operate.
本发明的有益效果在于：本发明包括箱体、设置于所述箱体的炉腔、与所述炉腔配合的炉门机构、与所述炉腔连通的运风系统及设置于所述箱体侧部的控制部，所述炉腔包括炉腔本体、载料轨道、载料盘隔离板和云母片，所述载料轨道、所述载料盘隔离板和所述云母片均设置于所述炉腔本体内。本发明实现了电芯自动化上料，提高了干燥效率与干燥效果，减小了设备的功耗，达到了高效节能的效果。 The beneficial effect of the present invention is that: the present invention comprises a box body, a furnace cavity arranged in the box body, a furnace door mechanism matched with the furnace cavity, an air delivery system communicated with the furnace cavity, and a The control portion of the side of the body, the furnace cavity includes a furnace cavity body, a loading track, a loading tray isolation plate and a mica sheet, and the loading track, the loading tray isolation plate and the mica sheet are all arranged on Inside the furnace cavity body. The invention realizes the automatic charging of electric cores, improves the drying efficiency and drying effect, reduces the power consumption of equipment, and achieves the effect of high efficiency and energy saving.
附图说明 Description of drawings
图1为本发明的剖视结构示意图。 Fig. 1 is a schematic cross-sectional structure diagram of the present invention.
图2为本发明的炉腔和运风系统的结构示意图之一。 Fig. 2 is one of the structural schematic diagrams of the furnace chamber and the air delivery system of the present invention.
图3为本发明的炉腔和运风系统的结构示意图之二。 Fig. 3 is the second structural schematic diagram of the furnace cavity and the air delivery system of the present invention.
图4为本发明的炉门机构的结构示意图。 Fig. 4 is a structural schematic diagram of the furnace door mechanism of the present invention.
其中，1-箱体，2-炉腔，3-炉门机构，4-运风系统，5-控制部，11-炉腔本体，12-载料轨道，13-载料盘隔离板，14-云母片，31-炉门，32-活动杆，33-固定板，34-伸缩杆，35-伸缩气缸，36-固定块，37-辅助杆，38-连接板，41-抽真空管道，42-进风管道，43-气体加热管，44-出风管道，45-氮气进风管道，46-运风风源，111-进风口，112-出风口，113-氮气入口，114-真空接口，115-加强筋，116-炉门密封圈。 Among them, 1-cabinet, 2-furnace cavity, 3-furnace door mechanism, 4-air transport system, 5-control part, 11-furnace cavity body, 12-loading track, 13-loading tray isolation plate, 14 -mica sheet, 31-furnace door, 32-movable rod, 33-fixed plate, 34-telescopic rod, 35-telescopic cylinder, 36-fixed block, 37-auxiliary rod, 38-connecting plate, 41-vacuumizing pipe, 42-air inlet pipe, 43-gas heating pipe, 44-air outlet pipe, 45-nitrogen air inlet pipe, 46-air transport source, 111-air inlet, 112-air outlet, 113-nitrogen inlet, 114-vacuum Interface, 115-reinforcing rib, 116-furnace door sealing ring.
具体实施方式 Detailed ways
下面结合具体实施方式和说明书附图，对本发明作进一步详细的描述，但本发明的实施方式不限于此。 The present invention will be described in further detail below in conjunction with the specific embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
如图1~4所示，一种动力电池真空干燥设备，包括箱体1、设置于箱体1的炉腔2、与炉腔2配合的炉门机构3、与炉腔2连通的运风系统4及设置于箱体1侧部的控制部5，炉腔2包括炉腔本体11、载料轨道12、载料盘隔离板13和云母片14，载料轨道12、载料盘隔离板13和云母片14均设置于炉腔本体11内。炉腔本体11设置为方形结构，云母片14设置为若干个，若干个云母片14布置于炉腔本体11内壁的四个面。载料轨道12设置为若干个，载料盘隔离板13位于其中两个载料轨道12之间。 As shown in Figures 1 to 4, a power battery vacuum drying equipment includes a box body 1, a furnace cavity 2 arranged in the box body 1, a furnace door mechanism 3 cooperating with the The system 4 and the control part 5 arranged on the side of the box body 1, the furnace chamber 2 includes a furnace chamber body 11, a loading track 12, a loading tray isolation plate 13 and a mica sheet 14, a loading track 12, and a loading tray isolation plate 13 and mica sheet 14 are all arranged in the furnace chamber body 11. The furnace chamber body 11 is arranged in a square structure, and there are several mica sheets 14 arranged on the four surfaces of the inner wall of the furnace chamber body 11 . There are several loading rails 12, and the loading tray isolation plate 13 is located between two of the loading rails 12.
优选地，炉腔本体11设置有进风口111、出风口112、氮气入口113和真空接口114。炉腔本体11的外壁设置有若干加强筋115，若干加强筋115均匀布置于炉腔本体11的外壁。炉腔本体11的炉口设置有炉门密封圈116。 Preferably, the oven cavity body 11 is provided with an air inlet 111 , an air outlet 112 , a nitrogen inlet 113 and a vacuum interface 114 . The outer wall of the furnace cavity body 11 is provided with several reinforcing ribs 115 , and the plurality of reinforcing ribs 115 are evenly arranged on the outer wall of the furnace cavity body 11 . The furnace mouth of the furnace cavity body 11 is provided with a furnace door sealing ring 116 .
优选地，运风系统4包括抽真空管道41、进风管道42、气体加热管43、出风管道44、氮气进风管道45和运风风源46，抽真空管道41的一端连通于真空接口114，抽真空管道41的另一端连通于抽真空设备，进风管道42连通于进风口111，出风管道44连通于出风口112，出风管道44通过气体加热管43与进风管道42连通，从而形成炉腔本体11的内部对流，其中气体加热管43可以对气体进行加热，确保了经过运风管道的气体温度与炉腔本体11内温度相等。进风管道42与运风风源46连通，运风风源46可以为进风管道42提高风源，氮气进风管道45连通于氮气入口113，实现了氮气的输入。电芯经过干燥后水分会挥发到炉腔本体11内，氮气入口113将加热的氮气通入炉腔本体11内，干燥的氮气进入炉腔本体11后将与炉腔本体11内的水分结合，再通过真空接口114将氮气抽出，这样就能把炉腔本体11内的水分带出，达到电芯干燥的效果。 Preferably, the wind transport system 4 includes a vacuuming pipeline 41, an air inlet pipeline 42, a gas heating pipe 43, an air outlet pipeline 44, a nitrogen gas inlet pipeline 45 and a wind source 46, and one end of the vacuum pipeline 41 is connected to the vacuum interface 114, the other end of the vacuum pipe 41 is connected to the vacuum equipment, the air inlet pipe 42 is connected to the air inlet 111, the air outlet pipe 44 is connected to the air outlet 112, and the air outlet pipe 44 is connected to the air inlet pipe 42 through the gas heating pipe 43 , thereby forming the internal convection of the furnace cavity body 11, wherein the gas heating pipe 43 can heat the gas, ensuring that the temperature of the gas passing through the air duct is equal to the temperature in the furnace cavity body 11. The air inlet pipe 42 is communicated with the wind source 46, which can increase the air source for the air inlet pipe 42, and the nitrogen air inlet pipe 45 is connected with the nitrogen inlet 113, realizing the input of nitrogen. After the battery cell is dried, the moisture will volatilize into the furnace cavity body 11, and the nitrogen gas inlet 113 will pass the heated nitrogen gas into the furnace cavity body 11, and the dry nitrogen gas will combine with the moisture in the furnace cavity body 11 after entering the furnace cavity body 11, Then the nitrogen gas is extracted through the vacuum interface 114, so that the moisture in the furnace cavity body 11 can be taken out to achieve the effect of drying the battery cell.
优选地，炉门机构3包括炉门31、活动杆32、固定板33、伸缩杆34、伸缩气缸35和固定块36，活动杆32的一端与炉门31固定连接，活动杆32的另一端与伸缩杆34的一端活动连接，活动杆32的中部与固定板33转动连接，伸缩杆34的另一端连接于伸缩气缸35的输出端，伸缩气缸35与固定块36连接。炉门机构3还包括辅助杆37和连接板38，辅助杆37的一端与炉门31固定连接，辅助杆37的另一端转动连接于固定板33，连接板38的一端与固定块36连接，连接板38的另一端与固定板33连接。固定板33和固定块36均固定于箱体1。 Preferably, the furnace door mechanism 3 includes a furnace door 31, a movable rod 32, a fixed plate 33, a telescopic rod 34, a telescopic cylinder 35 and a fixed block 36, one end of the movable rod 32 is fixedly connected with the furnace door 31, and the other end of the movable rod 32 It is movably connected with one end of the telescopic rod 34, the middle part of the movable rod 32 is rotationally connected with the fixed plate 33, and the other end of the telescopic rod 34 is connected with the output end of the telescopic cylinder 35, and the telescopic cylinder 35 is connected with the fixed block 36. The furnace door mechanism 3 also includes an auxiliary rod 37 and a connecting plate 38, one end of the auxiliary rod 37 is fixedly connected to the furnace door 31, the other end of the auxiliary rod 37 is rotatably connected to the fixed plate 33, and one end of the connecting plate 38 is connected to the fixed block 36, The other end of the connecting plate 38 is connected to the fixing plate 33 . Both the fixing plate 33 and the fixing block 36 are fixed on the box body 1 .
本发明的工作过程是：将需要烘干的电芯通过小车送到炉腔2内，然后通过控制部5控制炉门31关闭，此时伸缩气缸35动作，使得伸缩杆34带动炉门31与炉腔2紧密接触实现密封，然后再通过运风系统4对炉腔2的电芯进行干燥处理。 The working process of the present invention is as follows: send the electric cores that need to be dried into the furnace cavity 2 through the trolley, and then control the furnace door 31 to close through the control unit 5. At this time, the telescopic cylinder 35 moves so that the telescopic rod 34 drives the furnace door 31 and The furnace cavity 2 is in close contact to realize sealing, and then the electric core of the furnace cavity 2 is dried through the air delivery system 4 .
根据上述说明书的揭示和教导，本发明所属领域的技术人员还能够对上述实施方式进行变更和修改。因此，本发明并不局限于上述的具体实施方式，凡是本领域技术人员在本发明的基础上所作出的任何显而易见的改进、替换或变型均属于本发明的保护范围。此外，尽管本说明书中使用了一些特定的术语，但这些术语只是为了方便说明，并不对本发明构成任何限制。 According to the disclosure and teaching of the above specification, those skilled in the art to which the present invention pertains can also change and modify the above embodiment. Therefore, the present invention is not limited to the above-mentioned specific implementation manners, and any obvious improvement, substitution or modification made by those skilled in the art on the basis of the present invention shall fall within the protection scope of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention.
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