CN110459797B - Algorithm of module in-box press-fitting device - Google Patents
Algorithm of module in-box press-fitting device Download PDFInfo
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- CN110459797B CN110459797B CN201910779540.7A CN201910779540A CN110459797B CN 110459797 B CN110459797 B CN 110459797B CN 201910779540 A CN201910779540 A CN 201910779540A CN 110459797 B CN110459797 B CN 110459797B
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000004831 Hot glue Substances 0.000 abstract description 13
- 239000010410 layer Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229920006247 high-performance elastomer Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Algebra (AREA)
- Operations Research (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Control Of Presses (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The application discloses an algorithm of a module in-box press-fitting device, which comprises a servo electric cylinder, wherein the servo electric cylinder is connected with an electric cylinder fixing plate, and the electric cylinder fixing plate is used for realizing the fixed phase connection of the servo electric cylinder and a rack; a plurality of sliding blocks are fixedly connected to the electric cylinder fixing plate; the module grabbing mechanism comprises a main supporting plate, a plurality of sliding rails are fixedly connected to the main supporting plate, and the sliding rails are correspondingly matched and connected with the sliding blocks one by one; the algorithm of the module in-box press-fitting device provided by the application has the advantages of simple and reasonable structure and convenience in installation and use. The press fitting precision is high, the contact speed of the module and the hot melt adhesive can be accurately controlled, and the best performance of the hot melt adhesive layer formed between the module and the box cover is ensured. Is worth popularizing and using in a large area.
Description
Technical Field
The invention relates to the technical field of press mounting equipment, in particular to an algorithm of a battery pack module box-in press mounting device.
Background
Along with the enhancement of energy-saving and environment-friendly consciousness, the application range of the chargeable and dischargeable battery is wider and wider, and after the production of a single battery module is completed, a plurality of battery modules are generally subjected to grouping operation to form a battery pack or a battery box with larger charge quantity, current or voltage. Currently, the standard size battery module is generally fixed in the following manner: the mounting holes in the vertical direction are designed on the end plates on the two sides of the battery module, the lower surface of the battery module end plate is attached to the box body mounting beam, and then the battery modules are fixed on the battery box body one by one through the battery module mounting holes from top to bottom by using the long screw rods.
The lower surface of the battery module end plate is attached to the box body mounting beam in a mode that heat-conducting glue is sprayed on the box body cover plate in advance according to preset glue, and then the battery pack is pressed into the battery box by using press-fitting equipment. The heat-conducting glue is a single-component heat-conducting type room-temperature curing organosilicon bonding sealant. The low molecular weight is discharged through condensation reaction of water in the air to cause crosslinking and curing, and the high-performance elastomer is vulcanized. The good adhesive heat-conducting glue has excellent cold-hot alternation resistance, ageing resistance and electrical insulation property. And has excellent moisture resistance, shock resistance, corona resistance, electric leakage resistance and chemical medium resistance. Can be continuously used at-60 to 280 ℃ and maintain the performance. Does not swell and has good adhesion to most metallic and non-metallic materials.
The heat-conducting glue applied to the adhesion of the battery module in the prior art is mostly in the form of liquid or viscous liquid, and as the heat-conducting silica gel, the compound formed by the heat-conducting glue can be dispersed and spread out due to heat, pressure and other reasons when the battery module is contacted with the case cover. The uniformity of the extension and the thickness of the heat conducting adhesive layer formed after the extension can directly influence the performance of the heat conducting adhesive. The module is driven by the press mounting equipment to downwards contact with the contact surface in the battery box, the press mounting equipment drives the module to downwards contact with the coated heat conducting glue until the set displacement is reached, and the pressure applied to the heat conducting glue is different due to the fact that the instantaneous speed of the module in contact with the heat conducting glue is different, and the pressure directly influences the thickness and uniformity of the formed heat conducting glue layer, so that the contact speed of the module and the heat conducting glue is particularly important to control. Because the press-fitting equipment presses the module into the contact surface in the box after the heat-conducting glue is coated, the downward moving speed of the press-fitting equipment driving module is regulated by the change of the pressure value, and the speed is an acceleration and the whole is a descending displacement. The whole descent is decelerated rather than accelerated. This speed change is a curve value, a process of an equal-ratio quadratic function. Accurate control of this speed is difficult to achieve with just conventional pressure value changes.
Disclosure of Invention
The invention provides an algorithm of a module in-box press-fitting device.
The invention provides the following scheme:
an algorithm for a modular in-box press-fit device, comprising:
The servo electric cylinder is connected with an electric cylinder fixing plate, and the electric cylinder fixing plate is used for realizing fixed phase connection of the servo electric cylinder and the rack; a plurality of sliding blocks are fixedly connected to the electric cylinder fixing plate;
The module grabbing mechanism comprises a main supporting plate, a plurality of sliding rails are fixedly connected to the main supporting plate, and the sliding rails are correspondingly matched and connected with the sliding blocks one by one; the upper part of the main support plate is connected with the telescopic shaft of the servo electric cylinder through a connecting piece; the connecting piece is provided with a pressure sensor;
The controller is respectively connected with the servo electric cylinder and the pressure sensor; the controller is used for executing the following operations:
receiving a last sampling pressure value and a current pressure value obtained by the pressure sensor;
acquiring a preset set target pressure value and a set speed value;
calculating to obtain a current theoretical speed value through the following formula;
Vx＝V1×(FC-F1)/(F2-F1)
Wherein: v x is the current theoretical speed value, V 1 is the set speed value, F 1 is the last sampled pressure value, F 2 is the set target pressure value, and F C is the current pressure value;
and generating a control command according to the current theoretical speed value, so that the servo electric cylinder drives the telescopic shaft to extend downwards at the speed of the current theoretical speed value according to the control command.
Preferably: the module grabbing mechanism comprises a module hoisting clamp assembly connected with the main support plate.
Preferably: the module hoisting clamp assembly comprises a hoisting clamp pin and a hoisting driving cylinder used for driving the hoisting clamp pin to move, and the hoisting driving cylinder is connected with the controller.
Preferably: the lower part of the module hoisting clamp assembly is provided with an anti-falling clamping jaw.
Preferably: the tightening mechanism is connected with the module hoisting clamp assembly.
Preferably: and the last sampling pressure value is the pressure value obtained by the pressure sensor in the last sampling period.
Preferably: the set target pressure value is a pressure value determined according to an optimal stress value determined according to the performance of the heat-conducting adhesive.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
According to the invention, an algorithm of the module in-box press-fitting device can be realized, and in one implementation mode, the device can comprise a servo electric cylinder, wherein the servo electric cylinder is connected with an electric cylinder fixing plate, and the electric cylinder fixing plate is used for realizing the fixed phase connection of the servo electric cylinder and a rack; a plurality of sliding blocks are fixedly connected to the electric cylinder fixing plate; the module grabbing mechanism comprises a main supporting plate, a plurality of sliding rails are fixedly connected to the main supporting plate, and the sliding rails are correspondingly matched and connected with the sliding blocks one by one; the upper part of the main support plate is connected with the telescopic shaft of the servo electric cylinder through a connecting piece; the connecting piece is provided with a pressure sensor; the controller is respectively connected with the servo electric cylinder and the pressure sensor; the controller is used for executing the following operations: receiving a last sampling pressure value and a current pressure value obtained by the pressure sensor; acquiring a preset set target pressure value and a set speed value; calculating to obtain a current theoretical speed value through the following formula;
Vx＝V1×(FC-F1)/(F2-F1)
Wherein: v x is the current theoretical speed value, V 1 is the set speed value, F 1 is the last sampled pressure value, F 2 is the set target pressure value, and F C is the current pressure value; and generating a control command according to the current theoretical speed value, so that the servo electric cylinder drives the telescopic shaft to extend downwards at the speed of the current theoretical speed value according to the control command. The algorithm of the module in-box press-fitting device provided by the application has the advantages of simple and reasonable structure and convenience in installation and use. The press fitting precision is high, the contact speed of the module and the hot melt adhesive can be accurately controlled, and the best performance of the hot melt adhesive layer formed between the module and the box cover is ensured. Is worth popularizing and using in a large area.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an algorithm of a module-in-box press-fitting device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion provided by an embodiment of the present invention;
FIG. 3 is a front view of an algorithm for a modular in-box press-fit device provided by an embodiment of the present invention;
FIG. 4 is a schematic diagram of an algorithm clamping module state of a module in-box press-fitting device according to an embodiment of the present invention;
Fig. 5 is a schematic diagram of a case cover according to an embodiment of the present invention.
In the figure: the device comprises a servo electric cylinder 1, an electric cylinder fixing plate 2, a sliding block 3, a main supporting plate 4, a sliding rail 5, a telescopic shaft 6, a connecting piece 7, a pressure sensor 8, a module hoisting clamp assembly 9, a hoisting clamp pin 10, a hoisting driving cylinder 11, an anti-falling clamping jaw 12, a tightening mechanism 13, a module 14, a box cover 15 and heat-conducting glue 16.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
Examples
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, an algorithm of a module in-box press-fitting device provided by an embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the device includes a servo electric cylinder 1, where the servo electric cylinder 1 is connected with an electric cylinder fixing plate 2, and the electric cylinder fixing plate 2 is used to realize stationary phase connection between the servo electric cylinder 1 and a frame; a plurality of sliding blocks 3 are fixedly connected to the electric cylinder fixing plate 2;
The module grabbing mechanism comprises a main support plate 4, a plurality of slide rails 5 are fixedly connected to the main support plate 4, and the slide rails 5 are in one-to-one corresponding fit connection with the slide blocks 3; the upper part of the main supporting plate 4 is connected with a telescopic shaft 6 of the servo electric cylinder 1 through a connecting piece 7; the connecting piece 7 is provided with a pressure sensor 8;
The controller is respectively connected with the servo electric cylinder and the pressure sensor; the controller is used for executing the following operations:
receiving a last sampling pressure value and a current pressure value obtained by the pressure sensor;
acquiring a preset set target pressure value and a set speed value;
calculating to obtain a current theoretical speed value through the following formula;
Vx＝V1×(FC-F1)/(F2-F1)
Wherein: v x is the current theoretical speed value, V 1 is the set speed value, F 1 is the last sampled pressure value, F 2 is the set target pressure value, and F C is the current pressure value; and the last sampling pressure value is the pressure value obtained by the pressure sensor in the last sampling period. The set target pressure value is a pressure value determined according to an optimal stress value determined according to the performance of the heat-conducting adhesive.
And generating a control command according to the current theoretical speed value, so that the servo electric cylinder drives the telescopic shaft to extend downwards at the speed of the current theoretical speed value according to the control command.
Further, the module grabbing mechanism comprises a module hoisting clamp assembly 9 connected with the main support plate 4. The module hoisting clamp assembly 9 comprises a hoisting clamp pin 10 and a hoisting driving cylinder 11 for driving the hoisting clamp pin 10 to move, and the hoisting driving cylinder 11 is connected with the controller. The lower part of the module hoisting clamp assembly 9 is provided with an anti-falling clamping jaw 12.
Further, a tightening mechanism 13 connected with the module hoisting clamp assembly 9 is also included.
The controller provided by the application controls the telescopic speed of the telescopic shaft of the servo electric cylinder, so that the pressure value of the contact surface of the battery module and the hot melt adhesive is accurately controlled, and the hot melt adhesive is ensured to reach the optimal bonding and heat conducting state. The principle of the method is that the current theoretical velocity value V x is obtained through calculation, and since the time from the bonding of the die set to the coated hot melt adhesive until the die set stops descending can be set to a fixed value T, the acceleration a of the bonding of the die set to the coated hot melt adhesive on the case cover until the die set stops descending can be calculated through the current theoretical velocity value and the descending time, a=v x/T, and then the pressure F, f=ma applied to the hot melt adhesive when the die set is in contact with the coated hot melt adhesive on the case cover is calculated, wherein: m is the total mass of the module and the equipment moving with it.
When the device is used, firstly, the module grabbing component grabs the module 14 to be put into the box, the telescopic shaft of the vertical servo electric cylinder stretches out to the right, and the sliding block assists to move to the right; the hoisting driving cylinder extends out of the module hoisting clamp; releasing the module, maintaining the pressing process of the servo cylinder until the lower surface of the module 14 is tightly pressed with the hot melt adhesive 16 on the box cover 15, and feeding back the pressure by the pressure sensor; waiting for the next procedure to screw up.
In a word, the algorithm of the module in-box press-fitting device provided by the application has the advantages of simple and reasonable structure and convenience in installation and use. The press fitting precision is high, the contact speed of the module and the hot melt adhesive can be accurately controlled, and the best performance of the hot melt adhesive layer formed between the module and the box cover is ensured. Is worth popularizing and using in a large area.
It is noted that 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (5)
1. The control method for the press fitting of the module into the box is characterized by comprising the following steps of:
The servo electric cylinder is connected with an electric cylinder fixing plate, and the electric cylinder fixing plate is used for realizing fixed phase connection of the servo electric cylinder and the rack; a plurality of sliding blocks are fixedly connected to the electric cylinder fixing plate;
The module grabbing mechanism comprises a main supporting plate, a plurality of sliding rails are fixedly connected to the main supporting plate, and the sliding rails are correspondingly matched and connected with the sliding blocks one by one; the upper part of the main support plate is connected with the telescopic shaft of the servo electric cylinder through a connecting piece; the connecting piece is provided with a pressure sensor;
The controller is respectively connected with the servo electric cylinder and the pressure sensor; the controller is used for executing the following operations:
receiving a last sampling pressure value and a current pressure value obtained by the pressure sensor;
acquiring a preset set target pressure value and a set speed value;
calculating to obtain a current theoretical speed value through the following formula; Wherein: /(I) For the current theoretical speed value,/>For a set speed value,/>For last sampled pressure value,/>To set the target pressure value,/>Is the current pressure value; the last sampling pressure value is the pressure value obtained by the pressure sensor in the last sampling period; the set target pressure value is a pressure value determined by an optimal stress value determined according to the performance of the heat-conducting adhesive;
and generating a control command according to the current theoretical speed value, so that the servo electric cylinder drives the telescopic shaft to extend downwards at the speed of the current theoretical speed value according to the control command.
2. The method of claim 1, wherein the module gripping mechanism comprises a module lifting clamp assembly coupled to the main support plate.
3. The method for controlling the in-box press-fitting of the module according to claim 2, wherein the module lifting jig assembly comprises a lifting jig pin and a lifting driving cylinder for driving the lifting jig pin to move, and the lifting driving cylinder is connected with the controller.
4. The method for controlling the press-fitting of the die set into the box according to claim 2, wherein the lower portion of the die set lifting jig assembly is provided with a falling-preventing clamping jaw.
5. The method of claim 1, further comprising a tightening mechanism coupled to the module lifting clamp assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910779540.7A CN110459797B (en) | 2019-08-22 | 2019-08-22 | Algorithm of module in-box press-fitting device |
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| CN201910779540.7A CN110459797B (en) | 2019-08-22 | 2019-08-22 | Algorithm of module in-box press-fitting device |
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| CN110459797B true CN110459797B (en) | 2024-05-14 |
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2019
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| CN110459797A (en) | 2019-11-15 |
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