CN217544695U - Mobile lithium ion battery energy storage device - Google Patents

Abstract

The utility model discloses a portable lithium ion battery energy memory, including the dolly assembly, set up on the dolly assembly and with the dolly assembly be the box assembly of detachable connection with set up in the inside module assembly of box assembly, the box assembly includes down the box assembly, with the last casing of being connected of lower casing assembly and be located the inside sealing mechanism of casing, the box assembly includes down the casing body and set up under and on the casing body and the inside turn-ups that contacts with sealing mechanism. The utility model discloses a portable lithium ion battery energy memory, for portable structure, can be applicable to different work occasions, possess convenient to carry, convenient and fast characteristics; and adopt built-in seal structure, sealed effectual reduces the inefficacy risk.

Description

Mobile lithium ion battery energy storage device

Technical Field

The utility model belongs to the technical field of lithium ion battery, specifically speaking, the utility model relates to a portable lithium ion battery energy memory.

Background

Energy storage lithium ion batteries are also gradually paid attention as a new application scene, and the lithium ion batteries have wide prospects in the application of large-scale energy storage systems due to the characteristics of high energy density, high conversion efficiency, rapid reaction and the like. The future energy storage lithium ion battery technology can be widely applied to a new generation of power system. The application of lithium battery energy storage can change the traditional energy supply and utilization mode in China, and has great significance for promoting the energy structure transformation and the energy revolution of the consumption side in China, ensuring the energy safety and realizing the aims of energy conservation and emission reduction. The development of energy storage has been generally concerned and supported by countries, electric power systems, new energy, transportation and other industries and fields. The energy storage market comprises large-scale power energy storage, household energy storage, backup power energy storage and the like.

In the prior art, the cost performance of the lithium ion battery in the field of energy storage of the backup power supply is remarkably improved, and the field of the backup power supply and the field of household energy storage is a more suitable field for the application of the lithium ion battery at the present stage. And the market of the energy storage field, especially the energy storage field of the backup power supply, is particularly wide. The lithium ion battery has unlimited potential in future market. The large-scale energy storage system is an important component of a future new energy system and a smart grid, and the energy storage battery is the key of the large-scale energy storage system. The lithium battery has the advantages of high energy density, long cycle life, small self-discharge rate, no memory effect, environmental protection and the like, and has wide application prospect in the field of electric power energy storage. Secondly, the battery energy storage system has huge application potential in the automobile market.

The energy storage system is widely applied to various industries in the market as a power supply. Aiming at the application environment of the energy storage system, the system is required to have all-weather, high temperature resistance and aging resistance, and can monitor the running state of the system in real time, thereby ensuring that the system can be safely used in various complex environments.

The new energy battery outputs electric energy through lithium ion chemical reaction, and the battery pack is required to have a certain waterproof function to protect the internal working environment of the battery pack regardless of energy storage, vehicle battery pack and household emergency power supply. The battery pack sealing structure is mainly cotton-soaked, rubber and sealant are sealed, the sealing structure is mainly designed into a box body flanging, the upper box body compression sealing gasket and the lower box body compression sealing gasket are fastened through bolts to achieve a sealing effect, a great deal of risks exist in the mode, and the sealing effect is poor. The exposed outer side of the sealing gasket is easily pierced by an external sharp material, and the sealing gasket is easily aged after being contacted with an external environment for a long time. And secondly, the overall appearance of the system is not coordinated due to the eversion structure, so that the system is not convenient to install.

The fixing mode of the battery pack for the passenger vehicle is to fix the battery pack and the vehicle body by using bolts, so that the energy transfer of a power system is realized, and the inconvenience is brought to the subsequent maintenance by the mounting mode. No matter the vehicle battery system and other mainstream energy storage systems output externally through the discharge port, charge through the charging port and still need be equipped with the independent communication port, not only increased the complexity of system, cost greatly increased moreover.

The main power source of the battery energy storage system is a battery cell, and the battery cell can ensure the safe operation of the battery cell due to the need of a special working environment. Through the continuous development of the battery cell technology in recent years, the reliability and the safety of the battery cell have been greatly improved, but a large number of fire incidents of the battery system still exist in the market, which seriously affect the life and property of people, and the main reason is that the battery management system cannot effectively monitor the working condition of each battery cell in the battery system in real time, so that the battery cell is overcharged, overdischarged, high-temperature and the like, and then the thermal runaway phenomenon of the battery pack is triggered.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a portable lithium ion battery energy memory, the purpose improves sealed effect.

In order to realize the purpose, the utility model discloses the technical scheme who takes does: portable lithium ion battery energy memory, including the dolly assembly, set up on the dolly assembly and be the box assembly of detachable connection with the dolly assembly and set up in the inside module assembly of box assembly, the box assembly includes casing assembly down, with last casing that casing assembly is connected down and be located the inside sealing mechanism of casing, casing assembly includes casing body down and sets up the inside turn-ups that just contacts with sealing mechanism on casing body down.

The box body assembly is connected with the trolley assembly through bolts.

And a low-voltage connecting wire harness assembly, an environment sensor and a temperature and humidity sensor which are electrically connected with the low-voltage connecting wire harness assembly are arranged in the box body assembly.

Be provided with high-low pressure alarm lamp, malfunction alerting lamp, under-voltage alarm lamp, high temperature pilot lamp and SOC pilot lamp on the plug-in components panel of casing assembly down.

And the lower shell assembly is provided with a starting switch and a buzzer.

And a charging and discharging socket is arranged on the lower shell assembly.

The trolley assembly comprises a bottom plate, universal wheels arranged on the bottom plate, a first guide rail and a second guide rail, wherein the first guide rail and the second guide rail are rotatably arranged on the bottom plate, a pin shaft is arranged on the first guide rail, and a sliding groove for embedding the pin shaft is formed in the second guide rail.

The first guide rail and the second guide rail are both provided with two guide rails, the two first guide rails are connected with the first connecting rod, the two second guide rails are connected with the second connecting rod, and the height of the first connecting rod is larger than that of the second connecting rod.

The utility model discloses a portable lithium ion battery energy memory, for portable structure, can be applicable to different work occasions, possess convenient to carry, convenient and fast characteristics; and adopt built-in seal structure, sealed effectual reduces the inefficacy risk.

Drawings

The present specification includes the following figures, which show the contents:

fig. 1 is a schematic structural diagram of the mobile lithium ion battery energy storage device of the present invention;

fig. 2 is an exploded schematic view of the mobile lithium ion battery energy storage device of the present invention;

fig. 3 is a schematic diagram of the internal layout of the mobile lithium ion battery energy storage device of the present invention;

FIG. 4 is a schematic view of a housing seal arrangement;

FIG. 5 is a schematic diagram of the arrangement of the components of the panel of the box;

FIG. 6 is a schematic view of the structure of the mobile cart;

labeled as: 1. a trolley assembly; 2. a battery pack; 3. a BDU component; 4. a BMS fixing bracket; 5. a low voltage connection harness assembly; 6. a charge and discharge socket; 7. lifting lugs; 8. a lower housing assembly; 9. a module assembly; 10. a high-voltage connection copper bar; 11. BMS (battery management system); 12. an upper housing; 13. a gasket; 14. a lower housing body; 15. a first lamp group; 16. a second lamp group; 17. starting a switch; 18. a buzzer; 19. an explosion-proof valve; 20. a debugging port; 21. a fixing hole; 22. a universal wheel; 23. a first guide rail; 24. a second guide rail.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.

It should be noted that, in the following embodiments, the "first" and "second" do not represent an absolute distinction relationship in structure and/or function, nor represent a sequential execution order, but merely for convenience of description.

As shown in fig. 1 to 6, the utility model provides a portable lithium ion battery energy memory, including dolly assembly 1, set up on dolly assembly 1 and with dolly assembly 1 for the box assembly of detachable connection with set up in the inside module assembly 9 of box assembly, low pressure connection harness assembly 5, copper bar 10 assembly and BMS11 are connected to the high pressure, the box assembly includes casing assembly 8 down, with last casing 12 that casing assembly 8 is connected down and be located the inside sealing mechanism of casing 12, casing assembly 8 includes casing body 14 down and sets up the inside turn-ups that contacts on casing body 14 down and with sealing mechanism.

Specifically, as shown in fig. 2, when assembling, one of the lower housing assemblies 8 is taken out, and the module assembly 9 is placed in the lower housing assembly 8. BMS11, BDU component 3 and BMS fixed bolster 4 are taken out, BMS11 and BDU component 3 are pre-assembled on BMS fixed bolster 4 to form a BDU assembly, the BDU assembly is integrally installed on the module assembly 9, and then the BDU assembly and the module assembly 9 are fixed on the lower shell assembly 8 together through bolts. Then a set of high-voltage connecting copper bar 10 assembly is taken out, and the high-voltage connecting copper bar 10 assembly is connected with the module assembly 9 and the BDU component 3 in sequence. And then taking out a set of low-voltage connecting wire harness to be respectively connected with the acquisition port of the BMS11 and the module assembly 9 and the control interface of the BDU component 3. Then the charging and discharging socket 6, the first lamp group 15, the second lamp group 16, the starting switch 17, the buzzer 18, the explosion-proof valve 19 and the debugging port 20 are taken out and fixed at the corresponding reserved positions of the lower shell assembly 8 by corresponding bolts, and after the assembly is finished, as shown in fig. 5, the positive and negative poles of the high-voltage wire harness at the tail part of the charging and discharging socket 6 are respectively connected to a BDU control interface. The low-voltage main control wiring harness acquisition control port is respectively connected with the low-voltage acquisition control port at the tail part of the standard charging and discharging socket 6, the first lamp group 15, the second lamp group 16, the starting switch 17, the buzzer 18 and the debugging port 20, and the wiring harnesses are connected as shown in fig. 3 after all the high-voltage wiring harnesses are connected. The gasket 13 and the upper case 12 are removed, the gasket 13 is mounted on the flange surface of the lower case assembly 8, finally, the upper case 12 is mounted, the upper case 12 is fixed to the lower case assembly 8 by bolts, and after the assembly is completed, as shown in fig. 5, the battery pack 2 is formed. And finally, hoisting the battery pack 2 after grouping into a group into the trolley assembly 1 through a hoisting tool, wherein a lifting lug 7 on the battery pack 2 is a hoisting point and a mounting point, and the mounting point is matched with four mounting hole positions in the trolley assembly 1. The effect after assembly is as shown in figure 1.

As shown in fig. 1 to 5, the sealing mechanism mainly includes a sealing strip, the lower housing 14 is a hollow box structure, and the module assembly 9 is located in the inner cavity of the lower housing 14. The upper case 12 is used to close the top opening of the lower case body 14, and the upper case 12 is mounted on the lower case assembly 8 by bolts. The inside flanging sets up at the top of casing body 14 down, inside flanging and the internal face fixed connection of the top opening part of casing body 14 down, and the inside flanging extends certain distance in the interior cavity of casing body 14 down, and the inside flanging forms sealed flange face. The upper shell 12 is sleeved on the top of the lower shell body 14, and the sealing strip is clamped between the inner flanging and the upper shell 12, so that the sealing structure has the following advantages:

firstly, the sealing structure can enhance the structural strength of the sealing flange without additionally increasing the thickness of a metal plate of the sealing flange surface, and has obvious effects of reducing cost and reducing weight;

secondly, the sealing gasket 13 can be protected inside the box body, the sealing gasket 13 is not directly contacted with external air and water stains, the service life of the sealing gasket 13 is prolonged, the risk that the sealing gasket 13 is punctured by external sharp objects can be reduced, the sealing effect is good, and the failure risk is reduced;

thirdly, after the upper shell 12 is installed, the upper shell and the lower shell are vertical planes, the appearance is neater and more attractive, and the risk of collision between the flange surfaces of the outward flanges and other objects cannot exist after the sealing structure is built in. The whole effect is safer and more reliable.

As shown in fig. 2, fig. 3 and fig. 5, a low voltage connection harness assembly 5, and an environmental sensor and a temperature and humidity sensor electrically connected to the low voltage connection harness assembly 5 are disposed inside the box assembly. The temperature and humidity change of the battery pack can be monitored in real time through the environment sensor and the temperature and humidity sensor. Once the ambient temperature and humidity in the pack exceed the set values of the battery pack out of the factory, the BMS cuts off the high voltage, and the use safety of the battery pack is ensured.

As shown in fig. 2, fig. 3 and fig. 5, a plug-in panel is arranged on the lower casing assembly 8, and a charging and discharging socket 6, a buzzer 18, a high-low voltage alarm lamp, a fault alarm lamp, an under-voltage alarm lamp, a high-temperature indicator lamp and an SOC indicator lamp are arranged on the plug-in panel. The SOC pilot lamp, under-voltage alarm lamp and high temperature pilot lamp constitute first banks 15, and high-low pressure alarm lamp and failure warning lamp constitute second banks 16. The charge and discharge socket 6 is the standard component, and the charge and discharge socket 6 of service standard can reduce charge and discharge mouthful quantity, directly charges in automobile-used electric pile and need not the switching, and the user uses convenient and fast more. The system installation has first banks 15 and second banks 16, can real time monitoring battery package electric quantity, possesses high-low pressure warning, overcharge and overdischarge early warning function, and this set of system can effectively protect the inside electric core safety of system, avoids the system potential safety hazard to appear.

As shown in fig. 1, 2 and 6, in the present embodiment, the trolley assembly 1 is connected to the lower housing assembly 8 through bolts, so as to facilitate assembly and disassembly. The trolley assembly 1 has a folding function, and occupied storage space is reduced. The trolley assembly 1 comprises a bottom plate, universal wheels 22 arranged on the bottom plate, and a first guide rail 23 and a second guide rail 24 which are rotatably arranged on the bottom plate, wherein a pin shaft is arranged on the first guide rail 23, and a sliding groove for embedding the pin shaft is arranged on the second guide rail 24. The bottom plate is the level setting, and universal wheel 22 sets up in the bottom of bottom plate, and universal wheel 22 sets up four altogether, and four universal wheels 22 are the rectangle and distribute. The lower housing assembly 8 is mounted on the top surface of the bottom plate by bolts, and the bottom plate is provided with fixing holes 21 for the bolts to pass through. Lower casing assembly 8 sets up the through-hole that lets the bolt pass including setting up lug 7 in the bottom of casing body 14 down on the lug 7, and lug 7 sets up four and all lugs 7 symmetric distribution at the relative both ends of casing body 14 down, and the conformal four installation hole sites that form.

As shown in fig. 1 and 6, the lower ends of the first guide rail 23 and the second guide rail 24 are rotatably connected to the base plate, the rotation center lines of the first guide rail 23 and the second guide rail 24 are parallel to the width direction of the base plate, the rotation center lines of the first guide rail 23 and the second guide rail 24 are on the same straight line parallel to the length direction of the base plate, and the length direction and the width direction of the base plate are perpendicular to each other. First guide rail 23 and second guide rail 24 all set up two, and two first guide rails 23 are connected with the head rod, and two second guide rails 24 are connected with the second connecting rod, and the height that highly is greater than the second connecting rod of head rod. The bottom plate is located between two first guide rails 23, and the box assembly also is located between two first guide rails 23, and the upper end fixed connection of head rod and two first guide rails 23, the lower extreme of two first guide rails 23 rotates with the bottom plate through the pivot to be connected, and the head rod is used for letting operating personnel hold. The bottom plate is located between two second guide rails 24, and the box assembly also is located between two second guide rails 24, second connecting rod and the upper end fixed connection of two second guide rails 24, and the lower extreme of two second guide rails 24 is connected with the bottom plate rotation through the pivot, and the length of first guide rail 23 is greater than the length of second guide rail 24. The axis of the pin shaft is parallel to the rotating central lines of the first guide rail 23 and the second guide rail 24, the sliding groove extends along the length direction of the second guide rail 24 on the second guide rail 24, the length of the sliding groove is larger than the diameter of the pin shaft, one end of the pin shaft is connected with the first guide rail 23, and the other end of the pin shaft is embedded into the sliding groove. In the process of rotating the first guide rail 23 up and down, the second guide rail 24 is driven to rotate synchronously through the pin shaft, and the pin shaft slides in the sliding groove, so that the trolley assembly 1 can be folded and unfolded, and the trolley assembly is simple in structure and convenient to operate.

The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical scheme of the utility model can be directly applied to other occasions, all within the protection scope of the utility model.

Claims (8)

1. Portable lithium ion battery energy memory, its characterized in that: including the dolly assembly, set up on the dolly assembly and with the dolly assembly be the box assembly of detachable connection and set up in the inside module assembly of box assembly, the box assembly includes casing assembly down, with last casing that casing assembly is connected down and be located the inside sealing mechanism of casing, casing assembly includes casing body down and sets up on casing body down and the inside turn-ups that contacts with sealing mechanism.

2. The mobile lithium-ion battery energy storage device of claim 1, wherein: the box body assembly is connected with the trolley assembly through bolts.

3. The mobile lithium-ion battery energy storage device of claim 1 or 2, wherein: and a low-voltage connecting wire harness assembly, an environment sensor and a temperature and humidity sensor which are electrically connected with the low-voltage connecting wire harness assembly are arranged in the box body assembly.

4. The mobile lithium-ion battery energy storage device of claim 1 or 2, wherein: be provided with high-low pressure alarm lamp, malfunction alerting lamp, under-voltage alarm lamp, high temperature pilot lamp and SOC pilot lamp on the plug-in components panel of casing assembly down.

5. The mobile lithium-ion battery energy storage device of claim 1 or 2, wherein: and the lower shell assembly is provided with a starting switch and a buzzer.

6. The mobile lithium-ion battery energy storage device of claim 1 or 2, wherein: and a charging and discharging socket is arranged on the lower shell assembly.

7. The mobile lithium-ion battery energy storage device of claim 1 or 2, wherein: the trolley assembly comprises a bottom plate, universal wheels arranged on the bottom plate, a first guide rail and a second guide rail, wherein the first guide rail and the second guide rail are rotatably arranged on the bottom plate, a pin shaft is arranged on the first guide rail, and a sliding groove for embedding the pin shaft is formed in the second guide rail.

8. The mobile lithium ion battery energy storage device of claim 7, wherein: the first guide rail and the second guide rail are both provided with two guide rails, the two first guide rails are connected with the first connecting rod, the two second guide rails are connected with the second connecting rod, and the height of the first connecting rod is larger than that of the second connecting rod.

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