CN210925775U

CN210925775U - Super capacitor energy storage module

Info

Publication number: CN210925775U
Application number: CN201922473438.2U
Authority: CN
Inventors: 王俊华; 孙伟
Original assignee: Gmcc Electronic Technology Wuxi Co ltd
Current assignee: Gmcc Electronic Technology Wuxi Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-03
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a super capacitor energy storage module, a plurality of capacitor units are arranged in parallel, the upper and lower ends of the capacitor units are fixedly connected with the interfaces of a laminated bus bar, a frame and a panel are arranged on four sides of the capacitor units, and a manager is arranged on the panel; each laminated busbar is sequentially arranged from inside to outside according to a busbar layer, an epoxy board layer and an aluminum substrate layer, and an insulating film layer is at least adhered to the outer surfaces of the busbar layer and the aluminum substrate layer; the bus bar layer is internally provided with a plurality of bus bars which are electrically isolated from each other, and each bus bar is provided with a plurality of interfaces and is connected with the manager through an integrated wiring harness. The utility model discloses a female row of stromatolite is through setting up the epoxy board layer between female layer, the aluminium base board layer of arranging, effectively will arrange the layer and carry out electrical isolation with aluminium base board layer, has improved dielectric strength, and epoxy board layer and insulating rete are effectively isolated inside electric capacity monomer and outside high-voltage pulse electricity, prevent that the electric capacity monomer from being damaged by high-voltage pulse, have improved the reliability of module greatly, improve anti shock-absorbing capacity that falls.

Description

Super capacitor energy storage module

Technical Field

The utility model belongs to the technical field of super capacitor and specifically relates to a super capacitor energy storage module.

Background

The super capacitor is a novel energy storage device between a traditional capacitor and a rechargeable battery, and has the advantages of high capacity, high energy density, high charging speed, wide working temperature range, long cycle life and the like, and the super capacitor energy storage module is formed by combining a plurality of super capacitor monomers in series and parallel and is matched with a voltage balance and/or super Capacitor Management System (CMS), and a novel energy package assembled by a shell is suitable for the application fields of high frequency, high power and rapid charge and discharge, so the super capacitor energy storage module has wide market demand in national strategic emerging industries such as rail transit, electric automobiles, intelligent power grids and the like. Chinese utility model patent 201720451404.1 discloses a super capacitor module structure, including super capacitor monomer, the stromatolite is female to be arranged and is protected monitoring circuit, the stromatolite is female to be arranged including female the row layer, the frame layer, insulating film layer adhesion is on female the row layer surface, between female the row layer and the frame layer, on the frame layer surface, because super capacitor monomer is fixed as an organic whole through welding and female arranging, because the insulating film is mostly through hot pressing adhesion at female the row layer surface, female row layer surface arch or burr etc. damage insulating film easily, make insulating film punch a hole or damage, produce electrical intercommunication between female the row layer and the frame layer, lead to insulating inefficacy, the reliability of stromatolite female row is lower; not set up protective frame around the ultracapacitor system monomer, when the module falls or runs into the foreign matter striking, the direct atress of ultracapacitor system monomer for the ultracapacitor system monomer extrudees each other, and the ultracapacitor system monomer probably splits during serious, leads to the electrolyte to flow, and the anti shock-absorbing capacity that falls of module is poor.

SUMMERY OF THE UTILITY MODEL

The applicant provides a rational in infrastructure ultracapacitor system energy storage module to the problem that the reliability that above-mentioned current ultracapacitor system module exists is low, anti shock-absorbing capacity is poor, improves the female reliability of arranging of stromatolite, improves anti shock-absorbing capacity that falls.

The utility model discloses the technical scheme who adopts as follows:

a super capacitor energy storage module comprises a plurality of capacitor units which are arranged in parallel, wherein the upper end and the lower end of each capacitor unit are fixedly connected with interfaces of a first laminated busbar and a second laminated busbar, a frame and panels are arranged on the four sides of each capacitor unit, and managers are arranged on the panels; each laminated busbar is sequentially arranged from inside to outside according to a busbar layer, an epoxy board layer and an aluminum substrate layer, and an insulating film layer is at least adhered to the outer surfaces of the busbar layer and the aluminum substrate layer; the bus bar layer is internally provided with a plurality of bus bars which are electrically isolated from each other, and each bus bar is provided with a plurality of interfaces and is connected with the manager through an integrated wiring harness.

As a further improvement of the above technical solution:

the thickness of the epoxy board layer is 0.2 mm-2 mm.

The thickness of the epoxy board layer was 1 mm.

The frame is in a Jiong-shaped structure, and reinforcing ribs are arranged on the frame.

And an insulating protection ring is arranged on the mounting hole of the aluminum substrate layer.

And the two busbars are provided with wire inlet and outlet ends which are positioned at one side close to the panel.

The panel is provided with a handle.

The insulating film layer is PET hot pressing film, PVF insulating film, NOMEX insulating film or PI insulating film.

The capacitor further comprises a fixing rod 5 which is arranged in parallel with the capacitor monomer and connected with the upper laminated busbar and the lower laminated busbar.

The utility model has the advantages as follows:

the utility model discloses a female row of stromatolite is through setting up the epoxy board layer between female layer, the aluminium base board layer of arranging, even if the insulating rete on female layer of arranging takes place the damage, still can effectively carry out electrical isolation with female layer and aluminium base board layer, has improved dielectric strength, works as the utility model discloses when being applied to the track traffic field, epoxy board layer and insulating rete are effectively isolated inside electric capacity monomer and outside high-voltage pulse electricity, prevent that the electric capacity monomer from being damaged by high-voltage pulse, have improved the reliability of module greatly. And through setting up "Jiong" font hollow out construction's frame, increase module structural strength, when the module fell or met the foreign matter striking, the frame born earlier and weakens partly stress, avoided the female row of stromatolite to rock with the electric capacity monomer, prevented that the electric capacity monomer from extrudeing each other, improved anti shock-absorbing capacity that falls.

The thickness of the epoxy plate layer is 0.2 mm-2 mm, preferably 1mm, if the epoxy plate layer is too thin, the insulation level is low, and the insulation strength is insufficient; if the thickness is too thick, the thickness of the laminated busbar is increased, so that the volume of the energy storage module is increased.

The utility model discloses set up business turn over line end in the same end of panel, consequently simple to use's metal strip can establish ties a plurality of modules or parallel connection, and the module installation is simple, can realize modular production moreover, effective reduction in production and installation cost.

The utility model discloses a cover on the mounting hole on aluminium base board layer and establish the protection ring, the internal diameter of protection ring is greater than the internal diameter of interface to the welding slag that splashes when preventing electric capacity monomer welding scalds the insulating rete of bad aluminium base board layer surface, further guarantees the female insulating nature of arranging of stromatolite.

The utility model discloses a drawer type module adopts the easy maintenance mode of positive dismouting, in equipment fixing and maintenance process, realizes that the module installation is convenient with the dismantlement, saves module equipment and maintenance time.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic view of a layered structure of the first laminated busbar.

Fig. 4 is a schematic structural diagram of a busbar layer of the first laminated busbar.

Fig. 5 is a schematic view of a layered structure of a second laminated busbar.

In the figure: 1. a capacitor unit; 2. a frame; 3. a first laminated busbar; 4. a second laminated busbar; 5. fixing the rod; 6. a panel; 7. a manager; 8. a handle; 9. mounting a plate; 10. an insulating film layer; 11. an aluminum substrate layer; 13. an epoxy board layer; 14. a busbar layer; 15. integrating the wire harness; 16. a guard ring; 17. a busbar; 18. an inlet and outlet wire end; 19. an interface; 20. and (7) installing holes.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 5, the utility model discloses a 1 parallel arrangement of a plurality of electric capacity monomers, the female edge of arranging 3, 4 of stromatolite is fixed with frame 2, panel 6's both ends locking respectively, and female arranging 3 of first stromatolite, the female fixed frame that can hold all electric capacity monomers 1 of female 4 of second stromatolite, frame 2 and panel 6 formation one of second stromatolite. The utility model discloses a drawer type module adopts the easy maintenance mode of positive dismouting, in equipment fixing and maintenance process, realizes that the module installation is convenient with the dismantlement, saves module equipment and maintenance time.

As shown in fig. 3 and 5, each laminated busbar includes a busbar layer 14, an epoxy board layer 13, and an aluminum substrate layer 11, which are laminated and combined into a whole, and an insulating film layer 10 is disposed on outer surfaces of the busbar layer 14 and the aluminum substrate layer 11. The insulating film layer 10 is a PET heat-pressed film, a PVF insulating film, a NOMEX insulating film, or a PI insulating film. Because the epoxy board layer 13 is arranged between the busbar layer 14 and the aluminum substrate layer 11, even if the insulating film layer 10 on the busbar layer 14 is damaged, the busbar layer 14 and the aluminum substrate layer 11 can be effectively and electrically isolated, and the reliability of the laminated busbar is improved; because the epoxy board layer 13 and the insulating film layer 10 have higher insulation level, the insulation strength of the laminated busbar is greatly improved, when the utility model is applied to the field of rail transit, the epoxy board layer 13 and the insulating film layer 10 effectively isolate the internal capacitor monomer 1 from the external high-voltage pulse electricity, and the capacitor monomer 1 is prevented from being damaged by the high-voltage pulse; the thickness of the epoxy board layer 13 is 0.2mm to 2mm, preferably 1mm, and if the epoxy board layer 13 is too thin, the insulation grade is low and the insulation strength is insufficient; if the thickness is too thick, the thickness of the laminated busbar is increased, so that the volume of the energy storage module is increased.

As shown in fig. 3 to 5, the busbar layer 14 includes a plurality of busbars 17 and a plurality of integrated harnesses 15 electrically isolated from each other, each busbar 17 is provided with a plurality of interfaces 19 connected to terminals of the capacitor cells 1, each busbar 17 is electrically connected to one end of an independent outgoing line in the integrated harnesses 15, the other ends of the outgoing lines of all the integrated harnesses 15 of the same busbar layer 14 are collected to a terminal of the integrated harnesses 15, the terminals of the integrated harnesses 15 of the laminated

busbars

3 and 4 are respectively inserted into the manager 7, and the manager 7 is a super Capacitor Management System (CMS) for protecting and monitoring all the capacitor cells 1, as shown in fig. 2, the manager 7 is fixed to the center of the panel 6 through a mounting plate 9. The busbar layer 14 realizes the serial connection and/or the parallel connection of the capacitor units 1. As shown in fig. 4, two busbars 17 on the first laminated busbar 3, which are positioned at the edge of the busbar layer 14 and close to the panel 6, are provided with wire inlet and outlet ends 18, the wire inlet and outlet ends 18 are positioned at the same end of the panel 6, and the wire inlet and outlet ends 18 of different modules are connected by using metal strips, so that a plurality of modules can be connected in series or in parallel. Mounting holes 20 are formed in positions, corresponding to the interfaces 19 of the busbars 17, of the aluminum substrate layer 11, the epoxy plate layer 13 and the insulating film layer 10, insulating protection rings 16 are sleeved on the mounting holes 20 of the aluminum substrate layer 11, and the inner diameter of each protection ring 16 is larger than that of each interface 19, so that the insulating film layer 10 on the outer surface of the aluminum substrate layer 11 is prevented from being scalded by welding slag splashed out when the capacitor units 1 are welded. Still parallel arrangement has a plurality of dead levers 5 between electric capacity monomer 1, and both ends can be connected through the fastener with the female row of stromatolite, guarantee the joint strength in middle part to improve the rigidity of whole module.

As shown in fig. 2, the frame 2 spliced by the metal strips is in a Jiong-shaped structure, reinforcing ribs are arranged on three side walls of the frame 2, and the edges of the side walls are wave-shaped and similar to the peripheral outline of the capacitor unit 1. Frame 2 and panel 6 surround around all electric capacity monomer 1, and the frame construction air permeability is good, and the radiating effect is good, increases structural strength simultaneously, when the module fell or met the foreign matter striking, frame 2 born earlier and weakens partly stress, has avoided female arranging of stromatolite and electric capacity monomer 1 to rock, prevent that super capacitor monomer from extrudeing each other, has improved anti shock-absorbing capacity that falls. Still be equipped with nylon handle 8 on the panel 6, be convenient for carry, draw the module, improve the convenience of installation and dismantlement.

The utility model discloses an installation as follows:

A. the second laminated busbar 4 and the fixed rod 5 are fixed through a fastener;

B. the frame 2 is locked and fixed with the second laminated busbar 4, all the capacitor monomers 1 are arranged perpendicular to the second laminated busbar 4 according to requirements, and terminals of the capacitor monomers 1 are inserted into an interface 19 of the second laminated busbar 4;

C. aligning an interface 19 of the first laminated busbar 3 with the other terminals of all the capacitor units 1, and then locking and fixing the first laminated busbar 3 with the second laminated busbar 4, the fixing rod 5 and the frame 2 respectively;

D. welding and fixing a terminal of the capacitor monomer 1 with an interface 19 of the first laminated busbar 3 and the second laminated busbar 4;

E. the panel 6 is respectively locked and fixed with the first laminated busbar 3 and the second laminated busbar 4 frame 2; the panel 6, the first laminated busbar 3, the second laminated busbar 4 and the frame 2 form an integral frame structure of the module;

F. the manager 7 is firstly installed on the installation plate 9, the installation plate 9 is locked and fixed with the panel 6, and the handle 8 is fixed with the panel 6; the integrated wiring harnesses 15 of the first laminated busbar 3 and the second laminated busbar 4 are plugged into the jack of the manager 7.

The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention.

Claims

1. The utility model provides a super capacitor energy storage module which characterized in that:

a plurality of capacitor units (1) are arranged in parallel, the upper and lower ends of each capacitor unit (1) are fixedly connected with interfaces (19) of a first laminated busbar (3) and a second laminated busbar (4), a frame (2) and a panel (6) are arranged on the four sides of each capacitor unit (1), and a manager (7) is arranged on the panel (6);

each laminated busbar is sequentially arranged from inside to outside according to a busbar layer (14), an epoxy board layer (13) and an aluminum substrate layer (11), and an insulating film layer (10) is at least adhered to the outer surfaces of the busbar layer (14) and the aluminum substrate layer (11);

a plurality of busbars (17) which are electrically isolated from each other are arranged in the busbar layer (14), and a plurality of interfaces (19) are arranged on each busbar (17) and are connected with the manager (7) through an integrated wiring harness (15).

2. The supercapacitor energy storage module according to claim 1, wherein: the thickness of the epoxy board layer (13) is 0.2 mm-2 mm.

3. The supercapacitor energy storage module according to claim 1, wherein: the thickness of the epoxy board layer (13) is 1 mm.

4. The supercapacitor energy storage module according to claim 1, wherein: the frame (2) is in a Jiong-shaped structure, and reinforcing ribs are arranged on the frame (2).

5. The supercapacitor energy storage module according to claim 1, wherein: and a protection ring (16) is arranged on the mounting hole (20) of the aluminum substrate layer (11).

6. The supercapacitor energy storage module according to claim 1, wherein: wherein, the two busbars (17) are provided with wire inlet and outlet ends (18), and the wire inlet and outlet ends (18) are positioned at one side close to the panel (6).

7. The supercapacitor energy storage module according to claim 1, wherein: the panel (6) is provided with a handle (8).

8. The supercapacitor energy storage module according to claim 1, wherein: the insulating film layer (10) is a PET hot-pressed film, a PVF insulating film, a NOMEX insulating film or a PI insulating film.

9. The supercapacitor energy storage module according to claim 1, wherein: the capacitor further comprises a fixing rod (5) which is arranged in parallel with the capacitor unit (1) and connected with the upper laminated busbar and the lower laminated busbar.