CN217588708U - Combinable super capacitor module for energy storage - Google Patents
Combinable super capacitor module for energy storage Download PDFInfo
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- CN217588708U CN217588708U CN202220406506.2U CN202220406506U CN217588708U CN 217588708 U CN217588708 U CN 217588708U CN 202220406506 U CN202220406506 U CN 202220406506U CN 217588708 U CN217588708 U CN 217588708U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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Abstract
The utility model relates to the technical field of electric power energy storage modules, in particular to a combinable super capacitor module for energy storage with good heat dissipation effect, high connection stability and reliable use, which comprises an upper insulating cover plate and a lower insulating cover plate which are oppositely arranged and form an energy storage area therebetween, and an upper flow guide circuit board and a lower flow guide circuit board which are respectively arranged on the upper insulating cover plate and the lower insulating cover plate, wherein a plurality of metal grooves which are connected in series or/and in parallel are sunken in the two flow guide circuit boards to form a metal circuit area, a conductive metal sheet which is provided with a triangular positioning groove and a mounting hole at one side is arranged in the metal groove, and a triangular limiting part which is matched with the triangular positioning groove is arranged in the metal groove; a plurality of super capacitors are arranged in the energy storage area in an array mode to form a capacitor bank with a positive electrode and a negative electrode, and two ends of each super capacitor are respectively provided with an inserting rod inserted into the mounting holes; the positive electrode of the capacitor bank is connected with the positive terminal, and the negative electrode of the capacitor bank is connected with the negative terminal; the energy storage area is provided with a module control box which is electrically connected with the upper and lower diversion circuit boards and is provided with a PCBA board.
Description
Technical Field
The utility model relates to an electric power energy storage module technical field especially relates to an energy storage is with can make up formula super capacitor module.
Background
At present, the module formed by the lithium batteries and the lithium batteries is mainly used for storing energy in the field of electric energy storage, the lithium batteries have the advantages of high energy density, light weight, environmental protection, high and low temperature adaptability and the like, but the lithium batteries are limited by the characteristics of the lithium batteries, the problems of insufficient instantaneous power, short service life and the like exist in the energy storage devices, and when the energy storage devices are applied to medium and high voltage energy storage occasions, the short plates are more obvious, and the storage and the release of electric energy are influenced to a certain degree.
The super capacitor, the super capacitor and the combined module of the super capacitor and the super capacitor have the characteristics of more stored energy, strong power characteristic, long service life, high charging and discharging speed, strong temperature adaptability and the like, and have wide application prospect in various fields. The chinese utility model patent (CN 201220532645.6) discloses a super capacitor module, which comprises an upper cover, a lower cover and a super capacitor arranged between the upper cover and the lower cover, wherein a side plate is arranged outside the super capacitor to encapsulate the super capacitor, although the problem of compensating the instantaneous power of an energy storage system can be solved, the heat dissipation of the capacitor module is poor, the damage of the super capacitor module is accelerated due to long-term heat accumulation around the super capacitor, and the service life of the super capacitor module is shortened; in addition, each super capacitor in the super capacitor module is connected through a copper bar, when the position of the copper bar is loosened, the connection fault of the super capacitors is easily caused, and the requirement of electrical parameters of an energy storage system is difficult to meet.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a combinable super capacitor module for energy storage, which has good heat dissipation effect, high connection stability and reliable use, aiming at the technical problems of poor heat dissipation and easy looseness of connection parts.
A combinable supercapacitor module for energy storage, comprising:
the cover plate group comprises an upper insulating cover plate and a lower insulating cover plate which are oppositely arranged, and an energy storage area is formed between the upper insulating cover plate and the lower insulating cover plate;
the circuit board group comprises an upper flow guide circuit board arranged on the bottom surface of an upper insulating cover plate and a lower flow guide circuit board arranged on the top surface of a lower insulating cover plate, wherein a plurality of metal grooves which are connected in series or/and in parallel are respectively arranged on the upper flow guide circuit board and the lower flow guide circuit board in a sunken way to form a metal circuit area, a conductive metal sheet is arranged in each metal groove, a triangular positioning groove is formed in one surface of each conductive metal sheet, one side of each metal groove protrudes to the middle of each metal groove to form a triangular limiting part matched with the triangular positioning groove, and a mounting hole is formed in each conductive metal sheet;
the super capacitors are accommodated in the energy storage area and are arranged in an array mode to form a capacitor bank with a positive electrode and a negative electrode, two ends of each super capacitor are respectively provided with a plug-in rod which is in plug-in fit with the mounting hole, and each super capacitor is correspondingly plugged with one conductive metal sheet on the upper flow guide circuit board and one conductive metal sheet on the lower flow guide circuit board;
the capacitor comprises a positive terminal and a negative terminal, wherein the positive terminal is connected with the positive pole of a capacitor bank, and the negative terminal is connected with the negative pole of the capacitor bank; and
and the module control box is accommodated in the energy storage area and is electrically connected with the upper diversion circuit board and the lower diversion circuit board respectively, and a PCBA board is arranged in the module control box.
In one embodiment, the super capacitor module further comprises a plurality of support pillars accommodated in the energy storage region, and two ends of each support pillar are respectively and fixedly connected with the upper insulating cover plate and the lower insulating cover plate.
In one embodiment, the support post includes a metallic inner layer made of a steel material and an insulating skin layer.
In one embodiment, the super capacitor module further comprises a plurality of fastening screws for connecting the upper insulating cover plate and the support column and connecting the lower insulating cover plate and the support column, and the fastening screws are made of steel materials.
In one embodiment, the super capacitor module further comprises a plurality of rivets for connecting the upper insulating cover plate, the upper current-conducting circuit board and the conductive metal sheet, and connecting the lower insulating cover plate, the lower current-conducting circuit board and the conductive metal sheet, wherein the rivets are made of aluminum materials.
In one embodiment, two transverse adjacent metal grooves on the lower diversion circuit board are arranged in opposite directions, and two longitudinal adjacent metal grooves are arranged in the same direction; the transverse adjacent metal grooves in the middle of the upper diversion circuit board are arranged in a reverse direction, and the longitudinal adjacent metal grooves are arranged in the same direction; the metal grooves on the two sides of the middle part of the upper diversion circuit board are arranged in the same direction, and the number of the metal grooves on the two sides of the middle part is different, so that the positive electrode and the negative electrode of the capacitor bank are formed on the two sides of the middle part of the upper diversion circuit board.
In one embodiment, the positive terminal and the negative terminal are arranged on the same side of the upper diversion circuit board and are respectively connected with the conductive metal sheet corresponding to the positive pole of the capacitor bank and the conductive metal sheet corresponding to the negative pole of the capacitor bank, the positive terminal and the negative terminal are respectively in an inverted L-shaped structure, the transverse part of the inverted L-shaped structure is fixedly connected with the conductive metal sheet, and the vertical part of the inverted L-shaped structure is riveted with a nut.
In one embodiment, the module control box is provided with an electrical connection interface and a communication interface which are electrically connected with the PCBA board, and the electrical connection interface is electrically connected with the upper diversion circuit board and the lower diversion circuit board through a conductive flat cable.
In one embodiment, the module control box is located at one side of the capacitor bank and is vertically arranged, and one side of the module control box, which is provided with the communication interface, faces away from the center of the capacitor bank.
In one embodiment, the conductive metal sheet is made of aluminum or copper, and the positive and negative terminals are made of aluminum or copper; the positive terminal and the negative terminal are respectively welded with a conductive metal sheet in a laser mode, and the conductive metal sheet is welded with the super capacitor in the laser mode.
The combined type super capacitor module for energy storage of the utility model integrates a certain number of super capacitors together, so that the instantaneous power compensation of an external battery energy storage system is satisfied, and simultaneously, the super capacitors are positioned through the upper insulating cover plate and the lower insulating cover plate together, thereby improving the connection stability of the capacitor bank and the upper diversion circuit board and the lower diversion circuit board, canceling the shell outside the super capacitors, quickly leading out heat generated in the working process of the super capacitors, and avoiding the problem of acceleration of the damage of the super capacitors caused by heat accumulation; through set up electrically conductive metal tank respectively on last water conservancy diversion circuit board and the water conservancy diversion circuit board down, this metal tank is used for acceping electrically conductive sheetmetal on the one hand and fixes a position ultracapacitor system through electrically conductive sheetmetal, on the other hand, this metal tank still provides each ultracapacitor system's connecting portion, so, only need can realize establishing ties or/and parallelly connected between each ultracapacitor system with electrically conductive sheetmetal embedding metal, need not additionally to set up connecting pieces such as copper bar, when guaranteeing each ultracapacitor system stable connection, the equipment and the dismantlement degree of difficulty of ultracapacitor system module have been reduced.
Drawings
Fig. 1 is a schematic structural diagram of a super capacitor module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper insulating cover plate according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a lower insulating cover plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an upper flow guide circuit board according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a lower flow guide circuit board according to an embodiment of the present invention;
fig. 6 is a schematic view of a conductive metal sheet according to an embodiment of the present invention;
fig. 7 is a schematic structural view of another view angle of the conductive metal sheet according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an ultracapacitor according to one embodiment of the present invention;
fig. 9 is a schematic structural view of a view angle of the positive terminal according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of another view angle of the positive terminal according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a module control box according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a support column according to an embodiment of the present invention;
fig. 13 is a schematic structural view of a fastening screw according to an embodiment of the present invention;
fig. 14 is a schematic structural view of a rivet according to an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.
Referring to fig. 1, the present invention provides a combined super capacitor module 10 for energy storage with good heat dissipation effect, high connection stability and reliable use, which is applied to medium and high voltage series configuration energy storage occasions, each module includes a certain number of super capacitors 600, and when in actual use, the modules in series and parallel connection with a certain number can be combined into a part of a battery energy storage system according to the application occasions, so as to meet a plurality of requirements of high energy, high power, high safety and the like of the battery energy storage system.
Specifically, referring to fig. 1 to 11, the combinable supercapacitor module 10 for energy storage of the present embodiment includes a cover plate group, a circuit board group, a plurality of supercapacitors 600, a positive terminal 700, a negative terminal 800, and a module control box 900, wherein the cover plate group includes an upper insulating cover plate 100 and a lower insulating cover plate 200 that are disposed opposite to each other, and an energy storage area is formed between the upper insulating cover plate 100 and the lower insulating cover plate 200, or it can be understood that the upper insulating cover plate 100 and the lower insulating cover plate 200 are disposed in parallel, and a rectangular or square energy storage area is formed between the upper insulating cover plate 100 and the lower insulating cover plate 200. The circuit board group comprises an upper diversion circuit board 300 arranged on the bottom surface of the upper insulating cover plate 100 and a lower diversion circuit board 400 arranged on the top surface of the lower insulating cover plate 200, conductive metal sheets 500 are respectively arranged on the upper diversion circuit board 300 and the lower diversion circuit board 400, a plurality of super capacitors 600 are accommodated in the energy storage area and arranged in an array mode to form a capacitor group with a positive electrode and a negative electrode, and each super capacitor 600 is correspondingly inserted with one conductive metal sheet 500 on the upper diversion circuit board 300 and one conductive metal sheet 500 on the lower diversion circuit board 400. Specifically, the mounting hole 510 is provided on the conductive metal sheet 500, and the two ends of the super capacitor 600 are respectively provided with the insertion rod 610 (or terminal) which is inserted into the mounting hole 510 for matching, so that in the assembling process of the super capacitor module, the insertion rod 610 of the super capacitor 600 is only required to be inserted into the mounting hole 510 of the conductive metal sheet 500, and the limit matching and the electrical connection between the super capacitor 600 and the conductive metal sheet 500 can be realized. The positive terminal 700 is connected with the positive electrode of the capacitor bank, the negative terminal 800 is connected with the negative electrode of the capacitor bank, the module control box 900 is contained in the energy storage area and is respectively and electrically connected with the upper diversion circuit board 300 and the lower diversion circuit board 400, and a PCBA board is arranged in the module control box 900 and used for controlling the work of the super capacitor module.
In this embodiment, in order to realize the electrical connection of each supercapacitor 600, a plurality of metal grooves 310 connected in series or/and in parallel are recessed on the upper current-guiding circuit board 300 and the lower current-guiding circuit board 400 to form a metal circuit region, each metal groove 310 is connected in series or/and in parallel through a conductive metal strip or a conductive metal wire formed on the upper current-guiding circuit board 300 and the lower current-guiding circuit board 400, a conductive metal sheet 500 is disposed in each metal groove 310, a triangular positioning groove 520 is disposed on one surface of the conductive metal sheet 500, one side of each metal groove 310 protrudes toward the middle of the metal groove 310, and a triangular limiting portion 311 matched with the triangular positioning groove 520 is formed. Through set up triangle constant head tank 520 on electrically conductive sheetmetal 500, set up the spacing portion 311 of protruding form triangle in the metal slot 310, after electrically conductive sheetmetal 500 imbeds the metal slot 310, the two spacing cooperation under the mutual restraint of triangle constant head tank 520 and the spacing portion 311 of triangle, avoided super capacitor module assembling process, electrically conductive sheetmetal 500 produces relative displacement with last water conservancy diversion circuit board 300 or with water conservancy diversion circuit board 400 down to reduce super capacitor module's the assembly degree of difficulty. In addition, through setting up a plurality of series connection or/and parallelly connected metal tank 310, on the one hand provide electrically connected portion of conducting metal piece 500 and upper water conservancy diversion circuit board 300 and lower water conservancy diversion circuit board 400, on the other hand, limited the connected mode of each ultracapacitor system 600, once each ultracapacitor system 600 inserts on the conducting metal piece 500 of establishing the position in advance, the electric parameter of ultracapacitor system external output is confirmed promptly, avoid because of adopting the copper bar to connect when, the copper bar is complicated, the technical problem that the operation degree of difficulty is big, the packaging efficiency of ultracapacitor system module has been improved.
Referring to fig. 1 and 12, the super capacitor module further includes a plurality of supporting pillars 110 accommodated in the energy storage region, two ends of each supporting pillar 110 are respectively and fixedly connected to the upper insulating cover plate 100 and the lower insulating cover plate 200, and the supporting pillars 110 are used for supporting the upper insulating cover plate 100 and the lower insulating cover plate 200, so as to improve stability of the super capacitor module. In addition, through setting up support column 110, the most extrusion force between upper insulating cover plate 100 and lower insulating cover plate 200 is undertaken by support column 110, avoids ultracapacitor system 600 because of the potential safety hazard problem that the atress was overloaded and is brought. Further preferably, the supporting column 110 includes a metal inner layer and an insulating surface layer, the metal inner layer is made of steel material, and of course, the metal inner layer may also adopt other high-strength alloys, such as aluminum alloy, magnesium alloy, aluminum magnesium alloy, and the like, so as to ensure the stability of the super capacitor module; the insulating surface layer is used for blocking the possibility that current possibly existing in the metal inner layer is released outwards, so that electric leakage or electric shock accidents are avoided, and the use safety of the super capacitor module is improved.
In this embodiment, the super capacitor module further includes a plurality of fastening screws 120 for connecting the upper insulating cover plate 100 and the supporting pillar 110 and connecting the lower insulating cover plate 200 and the supporting pillar 110, the fastening screws 120 are made of steel material, and the structure of the fastening screws 120 can be specifically referred to fig. 13. With reference to fig. 1 to 5, a plurality of screw holes 130 are formed in the upper insulating cover plate 100, the lower insulating cover plate 200, the upper diversion circuit board 300, and the lower diversion circuit board 400, and fastening screws 120 are inserted through the screw holes 130 and fixedly connected to the supporting posts 110, so as to improve the connection stability between the supporting posts 110 and the upper insulating cover plate 100, the lower insulating cover plate 200, the upper diversion circuit board 300, and the lower diversion circuit board 400. In this embodiment, the upper insulating cover plate 100 and the lower insulating cover plate 200 are made of high-strength insulating materials, for example, high-strength PP materials or PA materials, or other high-strength plastic materials. The upper insulating cover plate 100 and the lower insulating cover plate 200 are used for both external insulation of the super capacitor module and upper and lower support of the super capacitor module, that is, for receiving the upper diversion circuit board 300 and the lower diversion circuit board 400 and protecting the upper diversion circuit board 300 and the lower diversion circuit board 400.
The super capacitor module further comprises a plurality of rivets 140 for connecting the upper insulating cover plate 100, the upper diversion circuit board 300 and the conductive metal sheet 500, and connecting the lower insulating cover plate 200, the lower diversion circuit board 400 and the conductive metal sheet 500, wherein the rivets 140 are made of aluminum material, and the structure of the rivets 140 can be specifically seen in fig. 14. With further reference to fig. 1 to 6, the upper insulating cover plate 100, the lower insulating cover plate 200, the upper diversion circuit board 300 and the lower diversion circuit board 400 are respectively provided with a first riveting hole 150, and the conductive metal sheet 500 is provided with a second riveting hole 530, so that the rivet 140 sequentially penetrates through the first riveting holes 150 on the upper insulating cover plate 100 and the upper diversion circuit board 300, and is inserted into the second riveting hole 530 on the conductive metal sheet 500, thereby realizing the connection of the upper insulating cover plate 100, the upper diversion circuit board 300 and the conductive metal sheet 500; similarly, the rivet 140 sequentially penetrates through the lower insulating cover plate 200 and the first riveting hole 150 on the lower current guiding circuit board 400, and is inserted into the second riveting hole 530 on the conductive metal sheet 500, so as to connect the lower insulating cover plate 200, the lower current guiding circuit board 400 and the conductive metal sheet 500. It should be noted that in the present embodiment, the triangular positioning groove 520 and the outer side of the triangular positioning groove 520 of the conductive metal sheet 500 are respectively provided with a second riveting hole 530, and the triangular limiting portion 311 of the metal groove 310 is provided with a first riveting hole 150 corresponding to the second riveting hole 530, so as to further improve the connection stability between the conductive metal sheet 500 and the upper current guiding circuit board 300 and between the conductive metal sheet and the lower current guiding circuit board 400. It should be further noted that the rivet 140 is also used as an electrical connector, for example, when the rivet 140 is made of copper material, the conductive metal sheet 500 is electrically connected to the upper current guiding circuit board 300 and the lower current guiding circuit board 400 through the rivet 140.
In one embodiment, the upper flow-guiding circuit board 300 and the lower flow-guiding circuit board 400 are made of FR4 material or other types of PCB substrate material. Copper foils are respectively arranged on the surface of the upper diversion circuit board 300 and the surface of the lower diversion circuit board 400, connector seats electrically connected with the copper foils are respectively arranged on the edge of the upper diversion circuit board 300 and the edge of the lower diversion circuit board 400, and the connector seats are electrically connected with the module control box 900 through connector flat cables.
Referring to fig. 4 and 5, two adjacent metal slots 310 in the lower circuit board 400 are disposed in opposite directions, and two adjacent metal slots 310 in the longitudinal direction are disposed in the same direction. Specifically, two adjacent metal grooves 310 on the lower current guiding circuit board 400 in the transverse direction are inclined and arranged in a centrosymmetric manner, so that the current is vertically transmitted on the lower current guiding circuit board 400 and reversely folded back at the edge of the lower current guiding circuit board 400 to form a current path. It can also be understood that when the supercapacitors 600 are connected in series, the current on the lower diversion circuit board 400 is transmitted along a continuous S-shaped route, so as to facilitate the arrangement of as many metal slots 310 as possible on the lower diversion circuit board 400, thereby increasing the arrangement number of the supercapacitors 600 in the supercapacitor module. The transverse adjacent metal grooves 310 in the middle of the upper diversion circuit board 300 are arranged in the reverse direction, and the longitudinal adjacent metal grooves 310 are arranged in the same direction; the metal grooves 310 on the two sides of the middle of the upper diversion circuit board 300 are arranged in the same direction, and the number of the metal grooves 310 on the two sides of the middle is different, so that the positive electrode and the negative electrode of the capacitor bank are formed on the two sides of the middle of the upper diversion circuit board 300.
Referring to fig. 1, 9 and 10, the positive terminal 700 and the negative terminal 800 are disposed on the same side of the upper current guiding circuit board 300 and are respectively connected to the conductive metal sheet 500 corresponding to the positive electrode of the capacitor bank and the conductive metal sheet 500 corresponding to the negative electrode of the capacitor bank, the positive terminal 700 and the negative terminal 800 are respectively in an inverted L-shaped structure, the horizontal portion of the inverted L-shaped structure is fixedly connected to the conductive metal sheet 500, and the vertical portion of the inverted L-shaped structure is riveted with a nut. The positive terminal 700 and the negative terminal 800 are made of aluminum or copper, the conductive metal sheet 500 is made of aluminum or copper, the positive terminal 700 and the negative terminal 800 are respectively laser welded with the conductive metal sheet 500, and of course, the positive terminal 700 and the negative terminal 800 can be respectively connected with the conductive metal sheet 500 by other methods, so as to realize that the positive terminal 700 and the negative terminal 800 are respectively electrically connected with the conductive metal sheet 500. It should be noted that, in this embodiment, on the basis that the conductive metal sheet 500 is matched with the super capacitor 600 through the mounting hole 510 and the insertion rod 610, the conductive metal sheet 500 is also laser-welded with the super capacitor 600, so as to improve the stability of the connection between the conductive metal sheet 500 and the super capacitor 600. In this embodiment, the super capacitor 600 is a cylinder in shape, and the housing is made of aluminum material, which has a function of storing energy and is used as a basic energy storage unit of the super capacitor module of this embodiment.
Referring to fig. 1 and 11, the module control box 900 is provided with an electrical connection interface 910 and a communication interface 920 electrically connected to the PCBA board, and the electrical connection interface 910 is electrically connected to the upper diversion circuit board 300 and the lower diversion circuit board 400 through a conductive flat cable. The communication interface 920 is in communication connection with an external system to provide or receive analog or digital signals to the external system, where the analog or digital signals include, but are not limited to, voltage, temperature, control parameters, control commands, and other information of the super capacitor module, and the PCBA board is used to process the above information, so as to implement the functions of monitoring the state information of the super capacitor module and communicating with the external system. Further, the module control box 900 is located a avris of the capacitor bank and is vertically arranged, and the face of the module control box 900 on which the communication interface 920 is arranged faces away from the center of the capacitor bank, so that the worker can conveniently insert the communication line.
Implement the utility model discloses a combined type super capacitor module 10 is used in the energy storage, a certain amount of super capacitor 600 are integrated together, when satisfying the instantaneous power compensation to external battery energy storage system, fix a position super capacitor 600 jointly through upper insulation cover plate 100 and lower insulation cover plate 200, improved the stability that capacitor bank and upper water conservancy diversion circuit board 300 and lower water conservancy diversion circuit board 400 are connected, the shell in the super capacitor 600 outside has been cancelled, the heat that super capacitor 600 produced in the work can be derived fast, avoid the super capacitor 600 damage acceleration problem that the heat accumulation caused; through set up electrically conductive metal slot 310 respectively on upper water conservancy diversion circuit board 300 and lower water conservancy diversion circuit board 400, this metal slot 310 is used for accommodating electrically conductive sheetmetal 500 on the one hand and fixes a position ultracapacitor system 600 through electrically conductive sheetmetal 500, and on the other hand, this metal slot 310 still provides the connecting portion of each ultracapacitor system 600, so, only need imbed electrically conductive sheetmetal 500 in metal slot 310 can realize the series connection or/and parallelly connected between each ultracapacitor system 600, need not additionally to set up connecting pieces such as copper bar, when guaranteeing each ultracapacitor system 600 stable connection, the equipment and the dismantlement degree of difficulty of ultracapacitor system module have been reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A combinable supercapacitor module for energy storage, comprising:
the cover plate group comprises an upper insulating cover plate and a lower insulating cover plate which are oppositely arranged, and an energy storage area is formed between the upper insulating cover plate and the lower insulating cover plate;
the circuit board group comprises an upper flow guide circuit board arranged on the bottom surface of an upper insulating cover plate and a lower flow guide circuit board arranged on the top surface of a lower insulating cover plate, wherein a plurality of metal grooves which are connected in series or/and in parallel are respectively arranged on the upper flow guide circuit board and the lower flow guide circuit board in a sunken way to form a metal circuit area, a conductive metal sheet is arranged in each metal groove, a triangular positioning groove is formed in one surface of each conductive metal sheet, one side of each metal groove protrudes to the middle of each metal groove to form a triangular limiting part matched with the triangular positioning groove, and a mounting hole is formed in each conductive metal sheet;
the super capacitors are accommodated in the energy storage area and are arranged in an array manner to form a capacitor group with a positive electrode and a negative electrode, two ends of each super capacitor are respectively provided with an insertion rod which is in insertion fit with the mounting hole, and each super capacitor is correspondingly inserted with one conductive metal sheet on the upper flow guide circuit board and one conductive metal sheet on the lower flow guide circuit board;
the capacitor comprises a positive terminal and a negative terminal, wherein the positive terminal is connected with the positive pole of a capacitor bank, and the negative terminal is connected with the negative pole of the capacitor bank; and
the module control box is accommodated in the energy storage area and is electrically connected with the upper diversion circuit board and the lower diversion circuit board respectively, and a PCBA board is arranged in the module control box.
2. The combinable supercapacitor module for energy storage according to claim 1, further comprising a plurality of support pillars accommodated in the energy storage region, wherein two ends of each support pillar are respectively and fixedly connected with the upper insulating cover plate and the lower insulating cover plate.
3. The combinable supercapacitor module for energy storage according to claim 2, wherein the support posts comprise a metallic inner layer and an insulating surface layer, the metallic inner layer being made of a steel material.
4. The combinable supercapacitor module for energy storage according to claim 3, further comprising a plurality of fastening screws for connecting the upper insulating cover plate and the support pillar and the lower insulating cover plate and the support pillar, wherein the fastening screws are made of steel material.
5. The combinable supercapacitor module for energy storage according to claim 1, further comprising a plurality of rivets for connecting the upper insulating cover plate, the upper current conducting circuit board and the conductive metal sheet, and for connecting the lower insulating cover plate, the lower current conducting circuit board and the conductive metal sheet, wherein the rivets are made of aluminum.
6. The combinable supercapacitor module for energy storage according to claim 5, wherein two adjacent metal troughs in the transverse direction are oppositely arranged on the lower flow guide circuit board, and two adjacent metal troughs in the longitudinal direction are arranged in the same direction; the transverse adjacent metal grooves in the middle of the upper diversion circuit board are arranged in a reverse direction, and the longitudinal adjacent metal grooves are arranged in the same direction; the metal grooves on the two sides of the middle part of the upper diversion circuit board are arranged in the same direction, and the number of the metal grooves on the two sides of the middle part is different, so that the positive electrode and the negative electrode of the capacitor bank are formed on the two sides of the middle part of the upper diversion circuit board.
7. The combinable supercapacitor module for energy storage according to claim 1, wherein the positive terminal and the negative terminal are disposed on the same side of the upper current-guiding circuit board and connected to a conductive metal sheet corresponding to the positive electrode of the capacitor bank and a conductive metal sheet corresponding to the negative electrode of the capacitor bank, respectively, the positive terminal and the negative terminal are in an inverted L-shaped structure, the horizontal portion of the inverted L-shaped structure is fixedly connected to the conductive metal sheets, and the vertical portion of the inverted L-shaped structure is riveted with a nut.
8. The combinable supercapacitor module for storing energy of claim 1, wherein the module control box is provided with an electrical connection interface and a communication interface electrically connected with the PCBA, and the electrical connection interface is electrically connected with the upper current-guiding circuit board and the lower current-guiding circuit board through a conductive flat cable.
9. The combinable supercapacitor module for energy storage according to claim 1, wherein the module control box is located at one side of the capacitor bank and is vertically arranged, and the side of the module control box where the communication interface is arranged faces away from the center of the capacitor bank.
10. The combinable supercapacitor module for energy storage according to claim 1, wherein the conductive metal sheet is made of aluminum or copper, and the positive and negative terminals are made of aluminum or copper; the positive terminal and the negative terminal are respectively welded with a conductive metal sheet in a laser mode, and the conductive metal sheet is welded with the super capacitor in the laser mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220406506.2U CN217588708U (en) | 2022-02-25 | 2022-02-25 | Combinable super capacitor module for energy storage |
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| CN202220406506.2U CN217588708U (en) | 2022-02-25 | 2022-02-25 | Combinable super capacitor module for energy storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024131840A1 (en) * | 2022-12-24 | 2024-06-27 | 杨林 | Electrochemical energy storage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024131840A1 (en) * | 2022-12-24 | 2024-06-27 | 杨林 | Electrochemical energy storage device |
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