CN113804380A - Safe transmission device and transmission method for battery vibration test - Google Patents
Safe transmission device and transmission method for battery vibration test Download PDFInfo
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- CN113804380A CN113804380A CN202111088659.3A CN202111088659A CN113804380A CN 113804380 A CN113804380 A CN 113804380A CN 202111088659 A CN202111088659 A CN 202111088659A CN 113804380 A CN113804380 A CN 113804380A
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- bottom plate
- battery pack
- traction
- conveyor belt
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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- General Physics & Mathematics (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The application discloses battery vibration test's safe transmission device and transmission method relates to car test technical field, and safe transmission device contains: the alarm component is arranged above the electromagnetic vibration table and alarms when the monitored smoke concentration or temperature reaches the respective set threshold value; the adjustable fixing device is used for locking the battery pack sample on the electromagnetic vibration table and unlocking the battery pack sample when the alarm assembly gives an alarm; the transmission device transmits the battery pack sample to the safety pool; the control cabinet is used for receiving the alarm signal of the alarm assembly, controlling the electromagnetic vibration table to stop vibrating, controlling the adjustable fixing device to unlock, and controlling the transmission device to transmit the battery pack sample to the safety pool. According to the safe transmission device and the transmission method, the battery pack sample is subjected to vibration test, when dangerous conditions such as high temperature fire and the like occur, the vibration test can be automatically stopped, the battery pack sample is separated from the vibration equipment, the battery pack sample is transmitted to a safe region, and test risks are reduced.
Description
Technical Field
The application relates to the technical field of automobile testing, in particular to a safe transmission device and a transmission method for a battery vibration test.
Background
In the field of electric automobiles, before a battery pack sample is assembled into an electric automobile, a vibration endurance test needs to be performed on the battery pack sample, the vibration endurance test is executed according to the standard GB 38031-.
In the correlation technique, the battery package sample comprises a plurality of battery monomers, and under the external force effect such as vibration, lithium battery monomer, group battery probably take place to warp, and self different positions take place relative displacement, lead to easily that the battery diaphragm is torn and take place inside short circuit, and inflammable electrolytes reveal and finally initiate dangerous situations such as high temperature, fire.
However, when the battery pack sample vibration test is in a dangerous condition, the common modes of spraying water, extinguishing fire and the like are ineffective for extinguishing the battery pack sample, and serious dangerous consequences are easily caused to testing personnel, equipment and facilities. At present, aiming at a battery pack sample vibration test, no effective means is available at home and abroad for treating a battery pack sample on fire, and only water is sprayed to reduce the temperature and slow down the combustion of the battery pack sample. This poses a greater safety risk for vibration testing of the indoor battery pack sample.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide a safe transmission device and a transmission method for a battery vibration test, the battery pack sample is subjected to the vibration test, when dangerous conditions such as high temperature fire and the like occur, the vibration test can be automatically stopped, the battery pack sample is separated from a vibration device, the battery pack sample is transmitted to a safe region, and the test risk is reduced.
In order to achieve the above purposes, the technical scheme is as follows: a battery vibration test's safe transmission device installs in electromagnetic vibration platform, safe transmission device contains:
the alarm component is arranged above the electromagnetic vibration table and alarms when the monitored smoke concentration or temperature reaches the respective set threshold value;
the adjustable fixing device is used for locking the battery pack sample on the electromagnetic vibration table and unlocking the battery pack sample when the alarm assembly gives an alarm;
the transmission device comprises a conveyor belt assembly connected with the adjustable fixing device, and the conveyor belt assembly is used for transmitting the battery pack sample to the safety pool after the alarm assembly gives an alarm and the adjustable fixing device is unlocked;
the control cabinet is respectively connected with the alarm assembly, the electromagnetic vibration table and the transmission device; the device is used for receiving an alarm signal of the alarm assembly, controlling the electromagnetic vibration table to stop vibrating, controlling the adjustable fixing device to unlock, and controlling the transmission device to transmit the battery pack sample to the safety pool.
On the basis of the technical scheme, the adjustable fixing device comprises a fixing bottom plate and a traction bottom plate on the top surface of the fixing bottom plate, the area of the fixing bottom plate is larger than that of the traction bottom plate, and the area of the traction bottom plate is larger than that of the bottom surface of the battery pack sample;
the fixed bottom plate is fixed on the electromagnetic vibration table, and a battery pack sample is arranged at the top of the traction bottom plate; the traction bottom plate is placed on the upper surface of the fixed bottom plate;
at least one hydraulic actuator is arranged on each of the two sides of the fixed base plate, and each hydraulic actuator can be pressed or released to the traction base plate through the movable connecting structural part.
On the basis of the technical scheme, the safety transmission device further comprises a hydraulic oil pump, and the hydraulic oil pump is connected with the control cabinet;
the hydraulic oil pump is connected with all the hydraulic actuators through hydraulic oil pipes; the control cabinet controls the movable connecting structural member to compress or release the traction bottom plate through the hydraulic oil pump and the hydraulic oil pipe.
On the basis of the technical scheme, the movable connecting structural part comprises a connecting fork pin, a pressing folding rod, a supporting seat and a pressing supporting block; the pressing supporting blocks are placed on two sides of the battery pack sample;
the bottom end of the hydraulic actuator is pivoted to the fixed bottom plate, the connecting fork pin is arranged at the top end of the hydraulic actuator, and the top of the compression folding rod is glued to the connecting fork pin; the top end of the pressing support block is hinged to the bending position of the pressing folding rod;
when the hydraulic actuator extends, the bottom end of the pressing folding rod is abutted and fixed on the top surface of the pressing supporting block; the bottom end of the pressing supporting block abuts against the fixed bottom plate to limit the lateral movement of the traction bottom plate.
On the basis of the technical scheme, the conveyor belt component comprises a conveyor belt body, transmission baffles and position sensors, the transmission baffles are arranged on two sides of the conveyor belt, the position sensors are arranged at the lower ends of the conveyor belt, and the position sensors are connected with the control cabinet.
On the basis of the technical scheme, a guide groove is formed in the middle of the bottom of the traction bottom plate; the transmission device further comprises a traction rope and a transmission motor, wherein one end of the traction rope is connected to the guide groove, and the other end of the traction rope is connected to the transmission motor; the transmission motor is also connected to the conveyor belt body;
when the alarm assembly gives an alarm, the transmission motor drives the conveyor belt body to move and stretch the traction rope, and the traction bottom plate for installing the battery pack sample is stretched to the conveyor belt body and is transmitted to the safety pool by the conveyor belt body.
On the basis of the technical scheme, the transmission device further comprises a supporting bracket for supporting the conveyor belt assembly, the top end of the supporting bracket is provided with multi-stage bracket adjusting holes, and the height of the conveyor belt assembly can be adjusted through the bracket adjusting holes.
The application discloses a transmission method of a safe transmission device based on the battery vibration test, which comprises the following steps:
s1: when the battery pack sample is in an accident, the alarm component alarms when the monitored smoke concentration or temperature reaches the respective set threshold value, and an alarm signal is fed back to the control cabinet;
s2: the control cabinet controls the electromagnetic vibration table to stop vibrating, controls the adjustable fixing device to unlock, and controls the transmission device to convey the battery pack sample to the safety pool.
On the basis of the technical scheme, the adjustable fixing device comprises a fixing bottom plate and a traction bottom plate, the area of the fixing bottom plate is larger than that of the traction bottom plate, and the area of the traction bottom plate is larger than the bottom area of the battery pack sample; the fixed bottom plate is fixed on the electromagnetic vibration table, and the traction bottom plate is fixed with a battery pack sample; the traction bottom plate is placed on the upper surface of the fixed bottom plate; at least one hydraulic actuator is arranged on each of two sides of the fixed bottom plate, and each hydraulic actuator can press or release the traction bottom plate through the movable connecting structural part;
the safety transmission device also comprises a hydraulic oil pump, and the hydraulic oil pump is connected with the control cabinet; the hydraulic oil pump is connected with all the hydraulic actuators through hydraulic oil pipes;
in step S2, after receiving the alarm signal fed back by the alarm component, the control cabinet controls the movable connecting structural member to release the traction bottom plate through the hydraulic oil pump and the hydraulic oil pipe.
On the basis of the technical scheme, a guide groove is formed in the middle of the bottom of the traction bottom plate; the conveying belt assembly comprises a conveying belt body, a transmission baffle and a position sensor, wherein the transmission baffle is arranged on two sides of the conveying belt, the position sensor is arranged at the lower end of the conveying belt, and the position sensor is connected with the control cabinet;
the transmission device further comprises a traction rope and a transmission motor, wherein one end of the traction rope is connected to the guide groove, and the other end of the traction rope is connected to the transmission motor; the transmission motor is also connected to the conveyor belt body;
in step S2, the control cabinet stretches the traction rope through the transmission motor and drives the conveyor belt body to operate, and stretches the traction bottom plate on which the battery pack sample is mounted onto the conveyor belt body; the conveyer belt body transmits the traction bottom plate provided with the battery pack sample to the safety pool.
The beneficial effect that technical scheme that this application provided brought includes:
according to the safety transmission device, the safety transmission device comprises a control cabinet, an alarm assembly, an adjustable fixing device and a transmission device, wherein the alarm assembly is arranged above an electromagnetic vibration table; when the battery vibration test is normally carried out, the adjustable fixing device fixes the battery pack sample on the electromagnetic vibration table, and the battery pack sample vibrates along with the electromagnetic vibration table; when the battery pack sample is in an accident and the smoke concentration or the temperature monitored by the alarm component reaches the respective set threshold value, the control cabinet controls the electromagnetic vibration table to stop vibrating, the adjustable fixing device is controlled to unlock the battery pack sample, and the transmission device conveys the battery pack sample to the safety pool; the safe transmission device and the transmission method can monitor the state of the battery pack sample in real time, can transmit the battery pack sample which is unexpected in a short time to the safe pool, ensure the safety of indoor personnel and equipment, and are low in cost, simple in structure, movable, firm and easy to maintain.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a safety transmission device for a battery vibration test provided in an embodiment of the present application.
Fig. 2 is a schematic view of a fixing device for a battery pack sample according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a device for transporting a sample of a battery pack according to an embodiment of the present disclosure;
reference numerals: 100. an adjustable fixing device; 16. compressing the folding rod; 17. a connecting fork pin; 18. a hydraulic actuator; 19. fixing the bottom plate; 20. a traction bedplate; 21. a guide groove; 22. a supporting seat; 23. pressing the supporting block; 24. an oil port; 25. a transmission drum; 26. a position sensor; 27. a motor mounting bracket; 28. a bracket adjustment hole; 29. a column; 200. a transmission device; 3. a hauling rope; 4. a transmission baffle; 5. a conveyor belt assembly; 6. a safety pool; 7. a drive motor; 1. a safety shield; 15. an alarm component; 8. a support bracket; 9. a foundation; 14. a battery pack sample; 10. a hydraulic oil pump; 2. a hydraulic oil pipe; 11. a control cabinet; 12. an electromagnetic vibration table.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the present application discloses an embodiment of a safety transmission device for a battery vibration test, which is mounted on an electromagnetic vibration table 12 and used for transferring a battery pack sample 14 to a safety position when an accident occurs to the battery pack sample 14 during the vibration test.
The safe transmission device comprises an alarm component 15, an adjustable fixing device 100, a transmission device 200 and a control cabinet 11, wherein the alarm component 15 is arranged above the electromagnetic vibration table 12 and alarms when the monitored smoke concentration or temperature reaches the respective set threshold value. The adjustable fixing device 100 locks the battery pack sample 14 on the electromagnetic vibration table 12 during a normal vibration test; the lock is released when an accident occurs in the battery pack sample 14 and the alarm assembly 15 gives an alarm.
The transfer device 200 includes a conveyor belt assembly 5 connected to the adjustable fixture 100, the conveyor belt assembly 5 being configured to transfer the battery pack sample 14 to the safety cell 6 after the alarm assembly 15 alarms and the adjustable fixture 100 unlocks. The control cabinet 11 is respectively connected with the alarm assembly 15, the electromagnetic vibration table 12 and the transmission device 200; the device is used for receiving an alarm signal of the alarm assembly 15, controlling the electromagnetic vibration table 12 to stop vibrating, controlling the adjustable fixing device 100 to unlock, and controlling the transmission device 200 to transmit the battery pack sample 14 to the safety pool 6.
Specifically, the alarm component 15 comprises a smoke alarm and a temperature alarm, and when the smoke concentration reaches a smoke setting threshold or the temperature reaches a temperature setting threshold, the alarm component 15 gives an alarm and feeds back a signal to the control cabinet 11.
According to the safety transmission device, the safety transmission device comprises a control cabinet 11, an alarm assembly 15, an adjustable fixing device 100 and a transmission device 200, wherein the alarm assembly 15 is arranged above an electromagnetic vibration table 12; when the battery vibration test is normally carried out, the adjustable fixing device 100 fixes the battery pack sample 14 on the electromagnetic vibration table 12, and the battery pack sample 14 vibrates along with the electromagnetic vibration table 12; when the battery pack sample 14 is in an accident (generates thick smoke, catches fire or generates high temperature), and the smoke concentration or the temperature monitored by the alarm component 15 reaches respective set threshold values, the control cabinet 11 controls the electromagnetic vibration table 12 to stop vibrating, controls the adjustable fixing device 100 to unlock the battery pack sample 14, and the transmission device 200 conveys the battery pack sample 14 to the safety pool 6; the safe transmission device and the transmission method can monitor the state of the battery pack sample 14 in real time, can transmit the battery pack sample 14 which is unexpected in a short time to the safety pool 6, and ensure the safety of indoor personnel and equipment.
In one embodiment, the adjustable fixture 100 comprises a fixed base plate 19 and a traction base plate 20, the area of the fixed base plate 19 is larger than the area of the traction base plate 20, and the area of the traction base plate 20 is larger than the bottom area of the battery pack sample 14. The fixed bottom plate 19 is fixed on the electromagnetic vibration table 12, and the battery pack sample 14 is fixedly arranged at the top of the traction bottom plate 20; the traction base plate 20 is placed on top of the fixed base plate 19.
At least one hydraulic actuator 18 is arranged on each side of the fixed base plate 19, and each hydraulic actuator 18 can press or release the traction base plate 20 through the movable connecting structural part.
In one embodiment, the fixed base plate 19 is provided with one hydraulic actuator 18 at each of the four corners of the edge, and each hydraulic actuator 18 can press or release one corner of the traction base plate 20 through the movable connecting structure. During normal operation of the vibration test, each hydraulic actuator 18 presses a corner of the traction base plate 20 via the articulating structure, so that the battery pack sample 14 is fixed relative to the electromagnetic vibration table 12. Each hydraulic actuator 18 releases a corner of the traction base 20 when the warning assembly is warning. The adjustable fixing device 100 of the safety transmission device comprises a fixing bottom plate 19 and a traction bottom plate 20, the fixing bottom plate 19 is fixed with an electromagnetic vibration table 12, the traction bottom plate 20 is fixed with a battery pack sample 14, a compressible separable structure is formed, and a structural basis is provided for realizing the transfer of the battery pack sample 14 when an alarm component gives an alarm.
Specifically, the safety transmission device further comprises a hydraulic oil pump 10, and the hydraulic oil pump 10 is connected with a control cabinet 11; the hydraulic oil pump 10 is connected with all the hydraulic actuators 18 through the hydraulic oil pipes 2; the control cabinet 11 controls the movable connecting structural member to press or release the traction bottom plate 20 through the hydraulic oil pump 10 and the hydraulic oil pipe 2. The safe transmission device controls the hydraulic oil pump 10 through the control cabinet 11, the hydraulic oil pump 10 controls the hydraulic actuator 18 through the hydraulic oil pipe, locking and unlocking of the adjustable fixing device 100 are achieved, and the purpose of automatically controlling the adjustable fixing device 100 is achieved.
Further, the higher end of the conveyor belt assembly 5 is butted against the electromagnetic vibration table 12, and the lower side of the conveyor belt assembly 5 is provided with the safety pool 6. The conveyor belt assembly 5 is arranged obliquely downwards, so that the conveying work of the battery pack samples 14 can be better realized.
Further, the safety transmission device also comprises a safety cover 1, the safety cover 1 is arranged above the surface of the electromagnetic vibration table 12 in a reverse buckling mode through an upright post 29, and the alarm component 15 is arranged on the lower surface of the safety cover 1. Safety guard 1 can carry out the collection of certain degree with fire, cigarette and high temperature when battery package sample 14 meets accident, prevents that fire, cigarette and high temperature from overflowing by a wide margin and scatters for the alarm condition of warning subassembly 15 is more stable.
As shown in fig. 2, further, the control cabinet 11 controls the movable connecting structural member to press or release the traction base plate 20 through the hydraulic oil pump 10 and the hydraulic oil pipe 2. Wherein, the movable connecting structural part comprises a connecting fork pin 17, a pressing folding rod 16, a supporting seat 22 and a pressing supporting block 23; the pressing support blocks 23 are arranged on two sides of the battery pack sample 14 and are not directly connected with the battery pack sample 14. The bottom end of the hydraulic actuator 18 is pivoted to the fixed bottom plate 19, the connecting fork pin 17 is arranged at the top end of the hydraulic actuator 18, and the top of the compression folding rod 16 is glued to the connecting fork pin 17; the top end of the pressing support block 23 is hinged at the bending position of the pressing folding rod 16.
Specifically, when the hydraulic actuator 18 extends, the bottom end of the pressing folding rod 16 abuts against and is fixed on the top surface of the pressing supporting block 23; the bottom end of the pressing support block 23 abuts against the fixed bottom plate 19 to limit the lateral movement of the traction bottom plate 20. The movable connecting structural part is ingenious in design, the structure of the hydraulic actuator 18, the compression folding rod 16 and the like is adopted, the traction bottom plate 20 is supported and fixed, and automatic control of locking and unlocking is realized.
As shown in fig. 3, the conveyor belt assembly 5 includes a conveyor belt body, a transmission baffle 4 and a position sensor 26, the transmission baffle 4 is arranged at two sides of the conveyor belt, the position sensor 26 is arranged at the lower end of the conveyor belt, and the position sensor 26 is connected with the control cabinet 11. The conveyor belt body is used for conveying the battery pack samples 14, and the transmission baffle 4 is used for preventing the battery pack samples 14 from sliding out of the side edge of the conveyor belt body. Whether battery package sample 14 passes through can be monitored to position sensor 26, and in the practical application process, unexpected battery package sample 14 shifts from indoor to outdoor, and total stroke is longer, and position sensor 26 can feed back the signal that battery package sample 14 passed through to switch board 11, can in time know the message that shifts successfully. If the position sensor 26 does not detect the battery pack sample 14 passing within the specified time, the battery pack sample 14 is retained on the conveyor belt body, and related personnel can be timely informed to perform processing.
Specifically, conveyer belt subassembly 5 still contains two transmission rotary drums 25, and the cladding of conveyer belt body is in two transmission rotary drums 25, and drive motor drives two transmission rotary drums 25 and rotates, and then drives the operation of conveyer belt body.
Further, a guide groove 21 is formed in the middle of the bottom of the traction base plate 20, and the guide groove 21 provides a connection position for the traction rope 3. The transmission device 200 further comprises a traction rope 3 and a transmission motor 7, wherein one end of the traction rope 3 is fixedly connected to the guide groove 21, and the other end of the traction rope is connected to the transmission motor 7; the drive motor 7 is also connected to the conveyor body. When the transmission motor 7 runs, the traction bottom plate 20 of the traction belt battery pack sample 14 is stretched through the traction rope 3.
When the alarm assembly 15 gives an alarm, the transmission motor 7 drives the conveyor belt body to move and stretch the traction rope 3, and the traction bottom plate 20 provided with the battery pack sample 14 is stretched to the conveyor belt body and is transmitted to the safety pool 6 by the conveyor belt body. The traction rope 3 of the transmission device 200 realizes perfect transition between the electromagnetic vibration table 12 and the middle area of the conveyor belt body, so that the battery pack sample 14 can be transferred without obstacles.
As shown in fig. 3, in one embodiment, the transmission device 200 further comprises a support bracket 8 for supporting the conveyor belt assembly 5, the support bracket 8 is provided with a plurality of stages of bracket adjustment holes 28 at the top end, and the bracket adjustment holes 28 can adjust the height of the conveyor belt assembly 5, so that the transmission device 200 can be adapted to electromagnetic vibration tables 12 with different heights, and the conveyor belt assembly 5 can adjust the length of the conveyor belt body by adapting to different bracket adjustment holes 28.
In one embodiment, the drive motor 7 is secured to the support bracket 8 by a motor mounting bracket 27.
The application also discloses a transmission method of the safe transmission device based on the battery vibration test, which comprises the following steps: at first, when the battery vibration test is normally performed, the adjustable fixing device 100 fixes the battery pack sample 14 on the electromagnetic vibration table 12, and the battery pack sample 14 vibrates along with the electromagnetic vibration table 12; the transfer method of the safety transfer device has not yet started to operate, and the transfer method of the safety transfer device starts to operate only when an accident occurs in the battery pack sample 14. Specifically, the transmission method of the secure transmission device comprises the following steps:
s1: when an accident occurs to the battery pack sample 14 (the battery pack sample 14 generates high temperature, heavy smoke or catches fire), the alarm component 15 alarms when the detected smoke concentration or temperature reaches the respective set threshold value, and feeds back the alarm signal to the control cabinet 11;
s2: after the control cabinet 11 receives the alarm signal, the control cabinet 11 controls the electromagnetic vibration table 12 to stop vibrating, controls the adjustable fixing device 100 to unlock, and controls the transmission device 200 to convey the battery pack sample 14 to the safety cell 6, so that the battery pack sample 14 is transferred.
Regarding the transfer method, in one embodiment, the adjustable fixture 100 includes a fixed base plate 19 and a pulling base plate 20, the area of the fixed base plate 19 is larger than the area of the pulling base plate 20, and the area of the pulling base plate 20 is larger than the bottom area of the battery pack sample 14. The fixed bottom plate 19 is fixed on the electromagnetic vibration table 12, and the traction bottom plate 20 is fixed with the battery pack sample 14; the traction bottom plate 20 is placed on the upper surface of the fixed bottom plate 19; the four corners of the edge of the fixed base plate 19 are respectively provided with a hydraulic actuator 18, and each hydraulic actuator 18 can press or release one corner of the traction base plate 20 through the movable connecting structural part.
The safety transmission device also comprises a hydraulic oil pump 10, and the hydraulic oil pump 10 is connected with a control cabinet 11; the hydraulic oil pump 10 is connected with all the hydraulic actuators 18 through the hydraulic oil pipes 2.
In the transmission method of the application, in step S2, after receiving the alarm signal fed back by the alarm assembly 15, the control cabinet 11 controls the movable connection structural member to release the traction bottom plate 20 through the hydraulic oil pump 10 and the hydraulic oil pipe 2; so that the traction base 20 is movable relative to the electromagnetic oscillating table.
Further, a guide groove 21 is arranged at the middle position of the bottom of the traction bottom plate 20; the conveyor belt assembly 5 comprises a conveyor belt body, a transmission baffle 4 and a position sensor 26, the transmission baffle 4 is arranged on two sides of the conveyor belt, the position sensor 26 is arranged at the lower end of the conveyor belt, and the position sensor 26 is connected with the control cabinet 11. The transmission device 200 further comprises a traction rope 3 and a transmission motor 7, wherein one end of the traction rope 3 is connected to the guide groove 21, and the other end of the traction rope is connected to the transmission motor 7; the drive motor 7 is also connected to the conveyor body.
In step S2, the control cabinet 11 stretches the traction rope 3 through the transmission motor 7 and drives the conveyor belt body to operate, and stretches the traction bottom plate 20 on which the battery pack sample 14 is mounted onto the conveyor belt body; the conveyor body transports the traction base 20, on which the battery pack sample 14 is mounted, to the safety pool 6.
According to the transmission method, when the battery pack sample 14 is in an accident (generates thick smoke, catches fire or generates high temperature), the alarm component 15 gives an alarm when the monitored smoke concentration or temperature reaches the respective set threshold value, the alarm component 15 feeds the alarm signal back to the control cabinet 11, the control cabinet 11 receives the signal, the electromagnetic vibration table 12 is controlled to stop vibrating, the adjustable fixing device 100 is controlled to unlock the battery pack sample 14, and the transmission device 200 transmits the battery pack sample 14 to the safety pool 6; according to the transmission method, the state of the battery pack sample 14 can be monitored in real time, the battery pack sample 14 which is unexpected can be transmitted to the safety pool 6 in a short time, the safety of indoor personnel and equipment is ensured, the test risk is reduced, and the device is low in cost and simple in structure.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A safety transmission device for battery vibration test, which is installed on an electromagnetic vibration table (12), characterized in that the safety transmission device comprises:
the alarm component (15) is arranged above the electromagnetic vibration table (12) and alarms when the monitored smoke concentration or temperature reaches the respective set threshold value;
the adjustable fixing device (100) is used for locking the battery pack sample (14) on the electromagnetic vibration table (12) and also used for unlocking when the alarm component (15) gives an alarm;
a transfer device (200) comprising a conveyor belt assembly (5) connected to the adjustable fixture (100), the conveyor belt assembly (5) being configured to transfer the battery pack sample (14) to the safety cell (6) after the alarm assembly (15) alarms and the adjustable fixture (100) unlocks;
the control cabinet (11) is respectively connected with the alarm assembly (15), the electromagnetic vibration table (12) and the transmission device (200); the device is used for receiving an alarm signal of the alarm assembly (15), controlling the electromagnetic vibration table (12) to stop vibrating, controlling the adjustable fixing device (100) to unlock and controlling the transmission device (200) to transmit the battery pack sample (14) to the safety pool (6).
2. A device for safely transmitting a battery vibration test as set forth in claim 1, wherein: the adjustable fixing device (100) comprises a fixing bottom plate (19) and a traction bottom plate (20) on the top surface of the fixing bottom plate, the area of the fixing bottom plate (19) is larger than that of the traction bottom plate (20), and the area of the traction bottom plate (20) is larger than the bottom area of the battery pack sample (14);
the fixed bottom plate (19) is fixed on the electromagnetic vibration table (12), and a battery pack sample (14) is arranged at the top of the traction bottom plate (20); the traction bottom plate (20) is placed on the upper surface of the fixed bottom plate (19);
at least one hydraulic actuator (18) is arranged on each of the two sides of the fixed base plate (19), and each hydraulic actuator (18) can press or release the traction base plate (20) through the movable connecting structural part.
3. A device for safely transmitting a battery vibration test as set forth in claim 1, wherein: the safety transmission device also comprises a hydraulic oil pump (10), and the hydraulic oil pump (10) is connected with the control cabinet (11);
the hydraulic oil pump (10) is connected with all the hydraulic actuators (18) through hydraulic oil pipes (2); the control cabinet (11) controls the movable connecting structural part to compress or release the traction bottom plate (20) through the hydraulic oil pump (10) and the hydraulic oil pipe (2).
4. A device for safely transmitting a battery vibration test as set forth in claim 2, wherein: the movable connecting structural part comprises a connecting fork pin (17), a pressing folding rod (16), a supporting seat (22) and a pressing supporting block (23); the pressing supporting blocks (23) are arranged on two sides of the battery pack sample (14);
the bottom end of the hydraulic actuator (18) is pivoted to the fixed bottom plate (19), the connecting fork pin (17) is arranged at the top end of the hydraulic actuator (18), and the top of the pressing folding rod (16) is glued to the connecting fork pin (17); the top end of the pressing supporting block (23) is hinged to the bending position of the pressing folding rod (16);
when the hydraulic actuator (18) extends, the bottom end of the pressing folding rod (16) is propped against and fixed on the top surface of the pressing supporting block (23); the bottom end of the pressing supporting block (23) is abutted against the fixed bottom plate (19) to limit the lateral movement of the traction bottom plate (20).
5. A device for safely transmitting a battery vibration test as set forth in claim 2, wherein: conveyer belt subassembly (5) contain conveyer belt body, transmission baffle (4) and position sensor (26), transmission baffle (4) set up in the both sides of conveyer belt, the lower one end of conveyer belt sets up position sensor (26), position sensor (26) link to each other with switch board (11).
6. The safety transmission device for battery vibration test according to claim 5, wherein: a guide groove (21) is formed in the middle of the bottom of the traction bottom plate (20); the transmission device (200) further comprises a traction rope (3) and a transmission motor (7), one end of the traction rope (3) is connected to the guide groove (21), and the other end of the traction rope is connected to the transmission motor (7); the transmission motor (7) is also connected to the conveyor belt body;
when the alarm assembly (15) gives an alarm, the transmission motor (7) drives the conveyor belt body to move and stretch the traction rope (3), and the traction bottom plate (20) provided with the battery pack sample (14) is stretched to the conveyor belt body and is transmitted to the safety pool (6) by the conveyor belt body.
7. A device for safely transmitting a battery vibration test as set forth in claim 1, wherein: the conveying device (200) further comprises a supporting bracket (8) used for supporting the conveyor belt assembly (5), the top end of the supporting bracket (8) is provided with multi-stage bracket adjusting holes (28), and the height of the conveyor belt assembly (5) can be adjusted through the bracket adjusting holes (28).
8. A transmission method of a safety transmission device based on the battery vibration test of claim 1, comprising the steps of:
s1: when the battery pack sample (14) is in an accident, the alarm component (15) alarms when the monitored smoke concentration or temperature reaches the respective set threshold value, and an alarm signal is fed back to the control cabinet (11);
s2: the control cabinet (11) controls the electromagnetic vibration table (12) to stop vibrating, controls the adjustable fixing device (100) to unlock, and controls the transmission device (200) to convey the battery pack sample (14) to the safety pool (6).
9. The transmission method of claim 8, wherein: the adjustable fixing device (100) comprises a fixing bottom plate (19) and a traction bottom plate (20), the area of the fixing bottom plate (19) is larger than that of the traction bottom plate (20), and the area of the traction bottom plate (20) is larger than the bottom area of the battery pack sample (14); the fixed bottom plate (19) is fixed on the electromagnetic vibration table (12), and the traction bottom plate (20) is fixed with the battery pack sample (14); the traction bottom plate (20) is placed on the upper surface of the fixed bottom plate (19); at least one hydraulic actuator (18) is respectively arranged on two sides of the fixed bottom plate (19), and each hydraulic actuator (18) can press or release the traction bottom plate (20) through a movable connecting structural part;
the safety transmission device also comprises a hydraulic oil pump (10), and the hydraulic oil pump (10) is connected with the control cabinet (11); the hydraulic oil pump (10) is connected with all the hydraulic actuators (18) through hydraulic oil pipes (2);
in step S2, after receiving the alarm signal fed back by the alarm assembly (15), the control cabinet (11) controls the movable connection structural member to release the traction bottom plate (20) through the hydraulic oil pump (10) and the hydraulic oil pipe (2).
10. The transmission method of claim 9, wherein: a guide groove (21) is formed in the middle of the bottom of the traction bottom plate (20);
the conveyor belt assembly (5) comprises a conveyor belt body, transmission baffles (4) and position sensors (26), the transmission baffles (4) are arranged on two sides of the conveyor belt, the position sensors (26) are arranged at the lower end of the conveyor belt, and the position sensors (26) are connected with the control cabinet (11);
the transmission device (200) further comprises a traction rope (3) and a transmission motor (7), one end of the traction rope (3) is connected to the guide groove (21), and the other end of the traction rope is connected to the transmission motor (7); the transmission motor (7) is also connected to the conveyor belt body;
in the step S2, the control cabinet (11) stretches the traction rope (3) through the transmission motor (7) and drives the conveyor belt body to run, and stretches the traction bottom plate (20) provided with the battery pack sample (14) onto the conveyor belt body; the conveyor body transports the traction base plate (20) on which the battery pack sample (14) is mounted to the safety cell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111088659.3A CN113804380A (en) | 2021-09-16 | 2021-09-16 | Safe transmission device and transmission method for battery vibration test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111088659.3A CN113804380A (en) | 2021-09-16 | 2021-09-16 | Safe transmission device and transmission method for battery vibration test |
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| CN113804380A true CN113804380A (en) | 2021-12-17 |
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| CN202111088659.3A Pending CN113804380A (en) | 2021-09-16 | 2021-09-16 | Safe transmission device and transmission method for battery vibration test |
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