Heating and curing device for battery pack

Abstract

The utility model discloses a heating and curing device for a battery pack, which comprises a base, and the base is provided with a heating station used for heating structural adhesive of the battery pack and provided with an upper heating chamber and a lower heating chamber; the transportation station is arranged close to the end part of the heating station, and a lifting mechanism is further mounted on the transportation station and is used for conveying and lifting the battery pack to the end part of the heating station; and the alarm system is in communication connection with the heating chamber and can monitor the temperature in the heating chamber in real time, and if the temperature exceeds a preset safety range, the alarm system gives an alarm. Therefore, the curing time of the structural adhesive in the CTP structure battery pack can be effectively shortened; the smooth transfer of the battery pack among the stations is ensured; and the alarm system ensures the safety of the double-layer heating chamber in the working process. And the problem that the production rhythm is blocked due to too long curing time of the structural adhesive is avoided, so that the safe operation of the whole production process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack technical field especially relates to a kind of heating solidification device of battery pack. BACKGROUND

[0002] CTP (Cell to Pack) battery pack has multiple advantages: (1) it omits or reduces the end plate, side plate and screw and other fasteners required for assembling module, thereby improving the volume utilization rate; (2) the reduction of parts also leads to weight reduction, thereby improving the mass energy density and increasing the cruising range of the vehicle; (3) the simplified assembly process saves manpower and material resources, and reduces manufacturing cost. At the same time, the reduction of parts cost also reduces the overall cost of battery pack.

[0003] However, in the production process of CTP structure battery pack, in order to enhance the heat conduction performance of the battery cell, structural adhesive needs to be coated on the bottom of the box, and the module is put into it to complete the packaging process of the battery cell and improve the heat dissipation effect. However, the curing time of the structural adhesive used in the current CTP structure battery pack is generally long, usually 3-5 hours to meet the factory transfer requirements. In low temperature conditions, the curing time will be further prolonged, which seriously interferes with the efficiency of the production line.

[0004] Therefore, shortening the curing time of the structural adhesive of the CTP structure battery pack has become a key problem to be solved at present. UTILITY MODEL CONTENT

[0005] To solve the technical problems in the background art, the utility model provides a kind of heating solidification device of battery pack.

[0006] The utility model provides a kind of heating solidification device of battery pack, including base, be equipped with on the base:

[0007] Heating station, for heating battery pack structural adhesive, is equipped with upper and lower double-layer heating chamber;

[0008] Transportation station, close to the end of the heating station, is also installed with lifting mechanism on it, for conveying and lifting battery pack to the end of the heating station;

[0009] Alarm system, communicably connected with the heating chamber, can monitor the temperature in the heating chamber in real time, and the alarm system sends alarm if the temperature exceeds or is lower than the preset safety range.

[0010] In this way, through the design of the upper and lower double-layer heating chamber, the curing time of the structural adhesive in the CTP structure battery pack can be effectively shortened.

[0011] Preferably, each of the heating chambers comprises at least one heating room, each of which is used to accommodate a battery pack, and a placing rack I for placing the battery pack is installed in each of the heating rooms.

[0012] The battery packs in the upper and lower heating chambers can be heated simultaneously, which improves the utilization efficiency of the three-dimensional space, improves the production efficiency, and effectively avoids unnecessary waste of resources.

[0013] Preferably, two waiting stations are further included, and the two waiting stations are respectively located at two side ends of the lower heating chamber, and a placing rack II for placing the battery pack is arranged on each of the two waiting stations.

[0014] Preferably, the transportation station comprises a conveying track arranged on the base and located at a side of the waiting station, and a connection track vehicle I is slidably arranged on the conveying track, and a placing rack III for placing the battery pack is arranged on the connection track vehicle I.

[0015] Preferably, the lifting mechanism comprises:

[0016] two lifting racks, each of which is arranged at a side of an end of the heating station, and each of the lifting racks is equipped with a movable counterweight, two side plates arranged at two sides of a top portion, a support plate arranged at a center of the top portion, and four driving motors, and a motor shaft of each of the driving motors is connected with a winding roller;

[0017] two sliding tracks arranged on a base frame of the base and located between the two lifting racks, and a track connection vehicle II is slidably arranged on each of the two sliding tracks, and a placing rack IV for placing the battery pack is arranged on the connection track vehicle II, the two sliding tracks are arranged in parallel on left and right sides, the base frame is provided with connecting ropes connected with the winding rollers at four corners, the lifting racks are provided with clamping plates at two sides of the top portions, each of the clamping plates comprises two clamping plates, each of the clamping plates is provided with an auxiliary roller I corresponding to one of the connecting ropes at a top portion, the counterweights are provided with auxiliary rollers II corresponding to the other connecting ropes at top portions, and one end of each of the connecting ropes is fixed to the base frame, and the other end of each of the connecting ropes is connected with the winding rollers or the side plates through lead grooves in the clamping plates and the counterweights.

[0018] In an initial state, the conveying track and the sliding tracks are connected to form a lower track, the driving motors are started to drive the winding rollers to wind the connecting ropes, the base frame and the sliding tracks thereon are lifted to an end of the upper heating chamber to form a suspended track, at this time, the left sliding track is connected with the heating chamber through an extension support rod, and the right sliding track is connected with the base through an auxiliary vertical rod of the base.

[0019] The transportation station and the lifting mechanism arranged thereon ensure smooth transfer of the battery packs between the stations.

[0020] Preferably, the temperature in the heating chamber is raised by electromagnetic heating.

[0021] Preferably, the front end of the heating chamber is provided with a staircase, and the front end of the upper heating chamber is provided with a passageway connected with the staircase.

[0022] The operator can conveniently enter each part for inspection and maintenance work.

[0023] Preferably, the alarm system is arranged at the upper end of the heating chamber and comprises a temperature sensor for detecting the temperature inside the heating chamber, an over-temperature alarm mechanism and an under-temperature alarm mechanism.

[0024] The safety of the double-layer heating chamber during operation is ensured.

[0025] In summary, the utility model has the following beneficial effects: through the design of the upper and lower double-layer heating chamber, the curing time of the structural adhesive in the CTP structural battery pack can be effectively shortened; through the arrangement of the transportation station and the lifting mechanism thereon, the smooth transfer of the battery pack between various stations is ensured; in addition, the alarm system is also provided, and the alarm system issues an alarm when the temperature exceeds or is lower than the preset safety range, thereby ensuring the safety of the double-layer heating chamber during operation.

[0026] The additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural view of the heating and curing device of the battery pack of the utility model embodiment.

[0028] In the figure:

[0029] 1, base; 2, heating station; 3, transportation station; 4, alarm system; 5, battery pack; 6, waiting station; 7, conveying track; 8, connecting track car I; 9, placing frame III; 10, lifting frame; 11, counterweight; 12, driving motor; 13, sliding track; 14, auxiliary vertical rod. DETAILED DESCRIPTION

[0030] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar symbols represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application.

[0031] As Figure 1 shown, the warming and curing device for battery pack proposed in the embodiment comprises a base 1, and the base 1 is provided with:

[0032] a heating station 2 for heating the structural glue of the battery pack, and the heating station 2 is provided with upper and lower double-layer heating chambers; a plurality of battery packs in the upper and lower double-layer heating chambers can be heated at the same time, the utilization efficiency of the three-dimensional space is improved, the production efficiency is improved, and unnecessary waste of resources is effectively avoided.

[0033] a transportation station 3 arranged close to the end of the heating station 2, and the transportation station 3 is further provided with a lifting mechanism for conveying and lifting the battery pack 5 to the end of the heating station 2;

[0034] an alarm system 4 communicatively connected with the heating chamber and capable of monitoring the temperature in the heating chamber in real time, and the alarm system sends an alarm if the temperature exceeds or is lower than the preset safety range.

[0035] In this way, through the design of the upper and lower double-layer heating chambers, the curing time of the structural glue in the CTP structure battery pack can be effectively shortened; through the arrangement of the transportation station 3 and the lifting mechanism thereon, the smooth transfer of the battery pack 5 between the stations is ensured; in addition, the alarm system 4 is also provided, and the alarm system 4 sends an alarm if the temperature exceeds or is lower than the preset safety range, thereby ensuring the safety of the double-layer heating chamber during the working process. The problem that the production rhythm is blocked due to the excessive curing time of the structural glue is avoided, thereby ensuring the safe operation of the entire production process.

[0036] Further, each heating chamber comprises at least one heating room, each heating room is used for accommodating one battery pack, and each heating room is further provided with a placing rack I for placing the battery pack. Specifically, the upper heating chamber is composed of three rooms, and the lower heating chamber is composed of three rooms. The heating room is composed of a support rod, a horizontal rod, a vertical rod, a wall plate and a partition plate, so as to ensure the heat preservation of the room and prevent the temperature from dropping. Specifically, the temperature in the heating chamber is raised by electromagnetic heating, and the three heating rooms at the same level share one set of heating system. The heating mode is electromagnetic heating, and the electromagnetic heating system is arranged on the inner wall of the heating room. Specifically, the electromagnetic heating system can refer to the prior art, and will not be repeated here.

[0037] Further, two waiting stations 6 are arranged at the two ends of the lower heating chamber, and each of the two waiting stations 6 is provided with a placing rack II for placing the battery pack, so as to temporarily store the battery pack during the heating process and stably place the battery pack during the waiting process.

[0038] In the embodiment, the transport station 3 comprises a conveying track 7 arranged on the base 1 and located at the side of the waiting station 6, a track transfer trolley I 8 is slidably arranged on the conveying track 7, and the track transfer trolley I 8 is provided with a placing rack III 9 for placing the battery pack. The placing rack III 9 is parallel to the placing rack I and the placing rack II, so as to ensure that the battery pack 5 can be smoothly and efficiently transferred during the transportation process.

[0039] As shown in Figure 1 the lifting mechanism comprises:

[0040] two lifting racks 10, each of which is arranged at the two ends of the heating station 2, and each of the two lifting racks 10 is provided with a movable counterweight 11 at the two sides, a side plate at the top, a support plate at the top center, and four driving motors 12, the motor shaft of each driving motor 12 is connected with a winding roller;

[0041] two sliding tracks 13, which are arranged on the base frame of the base 1 and located between the two lifting racks 10, and a track transfer trolley II is slidably arranged on each of the two sliding tracks 13, the track transfer trolley II is provided with a placing rack IV for placing the battery pack 5, the two sliding tracks 13 are distributed in parallel from left to right, the base frame is provided with a connecting rope connected with the winding roller at the four corners, the lifting rack 10 is provided with a clamping plate at the top of each side, each set of clamping plates comprises two clamping plates, the top of each clamping plate is provided with an auxiliary roller I corresponding to one set of connecting ropes, the top of the counterweight 11 is provided with an auxiliary roller II corresponding to the other set of connecting ropes, one end of each connecting rope is fixed with the base frame, and the other end of each connecting rope is connected with the winding roller through the lead groove on the clamping plate and the counterweight;

[0042] In the initial state, the conveying track 7 and the sliding track 13 are connected to form a lower track, the driving motor 12 is started to drive the winding roller to wind the connecting rope, the base frame and the sliding track 13 thereon are lifted to the end of the upper heating chamber to form a suspended track, at this time, the left sliding track 13 is connected with the heating chamber through the extension support rod, and the right sliding track 13 is connected through the auxiliary vertical rod 14 of the base 1.

[0043] It should be noted that the connection rail car I 8 and the connection rail car II work together to improve the transportation efficiency. Among them, the bottom of the connection rail car I 8 and the connection rail car II is equipped with four freely rotating rollers, which not only can flexibly adapt to various ground conditions, but also can ensure the stability and smoothness of the rail car during operation. In particular, one of the rollers can be connected through the shaft center of the servo motor, so that the servo motor can directly control the rotation of the roller. In this way, the power source of the rail car is effectively transmitted, thereby realizing precise control of the forward and backward movement of the rail car; the other three rollers also have the characteristic of being rotatable, and their surfaces are designed with special rail grooves so that the sliding rails can be smoothly embedded therein. In this way, not only the contact area between the rail car and the rail is increased, but also the stability and carrying capacity of the rail car on the rail are further improved; through this embedded structure, the rail car can move smoothly along the rail, whether it is a horizontal bottom rail or a suspended rail; at the same time, not only the practicability of the double-layer heating chamber is improved, but also the working efficiency is greatly improved. Through this flexible moving way, the rail car can quickly transport goods from one location to another, thereby reducing the time and labor intensity of manual carrying, making the operation of the entire heating chamber more smooth and efficient.

[0044] Among them, the connection rail car I 8 and the connection rail car II are also designed with a groove, the inner walls of the front and rear sides of the groove are provided with moving grooves, the moving grooves are provided with guide rods, and the front and rear sides of the placing frame in the groove are provided with two auxiliary blocks, which are sleeved on the guide rods and allow left and right sliding on the guide rods. The groove of the rail car is provided with a gas cylinder connected with a gas pump on each of the front and rear sides, and each gas cylinder is provided with an extension rod fixedly connected with the auxiliary block. Through the operation of the gas pump and the gas cylinder, the placing frame in the groove can be driven to move along the extension direction of the guide rod. The specific operation principle of the gas pump and the gas cylinder can refer to the existing technology, which will not be repeated here.

[0045] It should be noted that the placing frame I, the placing frame II, the placing frame III 9 and the placing frame IV are all composed of a main frame body and an auxiliary sleeve assembly, including a fixed sleeve, the main frame body of the placing frame I and the placing frame II is provided with an auxiliary power transmission device, and the main frame body of the placing frame III 9 is provided with a main power transmission device, and the positions of the two are corresponding. The main power transmission device comprises a main power transmission assembly, an electric motor and a power docking main part, and the electric motor is connected with the power docking main part through the main power transmission assembly. The auxiliary power transmission device comprises a power docking auxiliary part and an auxiliary power transmission assembly, and the power docking auxiliary part is connected with the auxiliary power transmission assembly; the edge of the fixed sleeve has a protective sleeve to protect the battery pack from damage.

[0046] The main frame body is configured to include at least three groups of edge protection devices, each group of edge protection devices being composed of two inclined support rods, the two inclined support rods being arranged on the front and rear sides of the main frame body respectively, and the two inclined support rods in the same group of edge protection devices being symmetrically distributed relative to the main frame body; in each group of edge protection devices, two second auxiliary fixing seats are arranged on the surfaces of the opposite inclined support rods, and a roller is arranged between the two second auxiliary fixing seats on the same inclined support rod, the roller being capable of freely rotating. The inclined support rods and the roller are parallel to each other, and the inclined support rods and the roller jointly limit the battery pack, thereby effectively improving the stability of the battery pack 5 during the transmission process.

[0047] When the connecting sleeve on the rail car is completely aligned with the center line of the connecting rod of the work station, the rail car will automatically stop moving. At this time, the air cylinder starts to act, pushing the placing frame to slide, so that the connecting rod can be smoothly embedded in the connecting sleeve. After completing this action, the air pump and the air cylinder stop working, and then the motor starts to drive the transmission device of the main power transmission device to rotate. The transmission device drives other transmission devices to rotate through the chain ring, and the third connecting shaft of the third auxiliary transmission device also starts to rotate, driving the connecting sleeve and the connecting rod to rotate together, thereby transmitting power to the auxiliary power transmission device and making it start to run. At the same time, the second connecting shaft of the second auxiliary transmission device rotates counterclockwise, forming a leftward conveying device to convey the battery pack from the rail car to the placing frame I or the placing frame II. If it is needed to convey the battery pack back to the placing frame III on the rail car, the motor can be reversely rotated.

[0048] In this embodiment, the alarm system 4 is arranged at the upper end of the heating chamber and includes a temperature sensor for detecting the temperature inside the heating chamber. The alarm system further includes an over-temperature alarm mechanism and an under-temperature alarm mechanism. The alarm system is provided with a preset threshold temperature range. When the heating temperature exceeds the preset threshold, the over-temperature alarm mechanism issues an alarm. When the heating temperature is lower than the preset threshold, the under-temperature alarm mechanism issues an alarm.

[0049] In this way, the temperature conditions of each heating room can be monitored in real time, and it is ensured that overheating does not occur during operation. If the temperature detector detects that the temperature of any layer of the heating chamber is too high, the alarm system will immediately trigger the over-temperature alarm and issue an alarm sound or light signal to remind the operator. At the same time, the related equipment will automatically stop to ensure the safe operation of the equipment and prevent possible damage. Not only the reliability of the equipment is improved, but also the safety of the operator is ensured. In addition, if the temperature is too low, the alarm system can also be provided with an under-temperature alarm function to prevent the equipment from malfunctioning or performance degradation due to too low temperature. Through the comprehensive temperature monitoring mechanism, the stability and safety of the equipment are significantly improved, and a more reliable and safe operating environment is provided for the personnel.

[0050] Preferably, in order to facilitate inspection and maintenance, the front end of the heating chamber is provided with a staircase, and the front end of the upper heating chamber is provided with a passageway connected with the staircase. In this way, the operator can conveniently enter each part to carry out inspection and maintenance work.

[0051] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0052] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0053] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0054] In the present application, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0055] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A curing device for a battery pack, comprising a base, characterized in that, The base is provided with: A heating station for heating the battery pack structure glue, provided with upper and lower double-layer heating chambers; A transport station provided near the end of the heating station, which is also provided with a lifting mechanism for transporting and lifting the battery pack to the end of the heating station; An alarm system communicatively connected with the heating chamber, capable of monitoring the temperature in the heating chamber in real time, and issuing an alarm if the temperature exceeds the preset safety range.

2. The curing apparatus of claim 1, wherein, Each layer of the heating chamber includes at least one heating room, each of which is used to accommodate one battery pack, and each of which is also provided with a placing rack I for placing the battery pack.

3. The curing apparatus of claim 1, wherein, It also includes two waiting stations, two of which are located at the two ends of the lower heating chamber, and two of which are provided with a placing rack II for placing the battery pack.

4. The curing apparatus of claim 3, wherein, The transport station includes a conveying track provided on the base and located on the side of the waiting station, a connection track car I is slidably provided on the conveying track, and a placing rack III for placing the battery pack is provided on the connection track car I.

5. The curing apparatus of claim 4, wherein, The lifting mechanism includes: Two lifting frames, two of which are provided on both sides of the end of the heating station, both sides of the lifting frame are provided with movable counterweights, both sides of the top are provided with side plates, the top center is provided with a support plate, and four drive motors are provided; Two sliding tracks are provided on the base frame between the two lifting frames, a track connection car II is slidably provided thereon, a placing rack IV for placing the battery pack is provided on the connection track car II, the two sliding tracks are distributed in parallel on the left and right, the base frame is provided with a connecting rope connected with the winding roller at the four corners, the top of each lifting frame is provided with a clamping plate, each group of clamping plates includes two clamping plates, the top of the clamping plate is provided with an auxiliary roller I corresponding to one group of connecting ropes, the top of the counterweight is provided with an auxiliary roller II corresponding to the other group of connecting ropes, one end of the connecting rope is fixed to the base frame, and the other end is connected to the winding roller or side plate through the lead groove on the clamping plate and the counterweight; In the initial state, the conveying track and the sliding track are connected to form a bottom track, the drive motor is started to drive the winding roller to wind the connecting rope, the base frame and the sliding track thereon are lifted to the end of the upper heating chamber to form a suspended track, at this time the left sliding track is connected to the heating chamber through the extension support, and the right sliding track is connected through the auxiliary vertical rod of the base.

6. The curing apparatus of claim 1, wherein, The temperature in the heating chamber is raised by electromagnetic heating.

7. The warm curing apparatus for a battery pack of claim 1, wherein, The front end of the heating chamber is provided with a staircase, and the front end of the upper heating chamber is provided with a passage connected with the staircase.

8. The curing apparatus of claim 1, wherein, The alarm system is provided at the upper end of the heating chamber and includes a temperature sensor for detecting the temperature inside the heating chamber, and also includes an over-temperature alarm mechanism and a low-temperature alarm mechanism, the alarm system is provided with a preset threshold temperature range, when the heating temperature exceeds the preset threshold, the over-temperature alarm mechanism issues an alarm; when the heating temperature is lower than the preset threshold, the low-temperature alarm mechanism issues an alarm.

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