String type energy storage and boosting all-in-one machine
By designing a string-type energy storage boost converter, the battery packs are connected in series using connecting components and a controller, solving the problem of insufficient power in existing technologies, improving voltage boost efficiency and energy conversion efficiency, and adapting to energy storage needs of different scales.
Patent Information
- Application Number
- CN202520615271.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Existing integrated energy storage converters and boost converters have insufficient power when connected in series with energy storage units, resulting in inadequate voltage boost and making it difficult to meet the needs of energy storage projects of different scales and requirements.
Design a string energy storage boost converter, in which a first battery pack, a second battery pack, and a pad frame are stacked together by connecting components, and a conductive frame is used to achieve series connection. Combined with a transformer and a boost converter, the controller monitors the system's operating status and expands or reduces the number of battery packs and pad frames as needed.
It achieves an overall increase in voltage, improves energy conversion efficiency, reduces losses during energy conversion, and adapts to energy storage projects of different scales and needs.
Smart Images

Figure CN223829083U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical equipment technical field more specifically, the utility model relates to a kind of group string formula energy storage step-up integrated machine. BACKGROUND
[0002] With the rapid development of photovoltaic industry, photovoltaic power generation device whole capacity grows continuously, and the electrical equipment matched with it is also widely used. Energy storage converter step-up integrated machine is an integrated electrical equipment combining energy storage, conversion, voltage regulation and other functions. When the power grid needs to supplement electric energy, the energy storage device releases the stored electric energy and raises the voltage to the level required by the power grid through the step-up converter, and then supplies the power grid or load.
[0003] Among them, the patent with publication number CN222381395U discloses an energy storage converter step-up integrated machine, which comprises a base, a transformer, a high-voltage chamber, a low-voltage chamber, and an energy storage converter. The transformer is arranged on the base, and opposite sides of the transformer are respectively provided with a high-voltage bushing and a low-voltage bushing. The transformer comprises a core, a low-voltage coil wound outside the core, and a high-voltage coil wound outside the low-voltage coil. The low-voltage coil is connected to the low-voltage bushing through a low-voltage lead, and the high-voltage coil is connected to the high-voltage bushing through a high-voltage lead. The high-voltage chamber is arranged on the base and located on the side of the transformer provided with the high-voltage bushing. The high-voltage bushing extends into the high-voltage chamber and is connected with a vacuum circuit breaker. The low-voltage chamber is arranged side by side with the high-voltage chamber, and the low-voltage bushing is connected to a universal circuit breaker through a main circuit line. The energy storage converter is connected to the low-voltage bushing.
[0004] In use, the high-voltage chamber and the energy storage converter are arranged on opposite sides of the transformer and connected with the high-voltage bushing and the low-voltage bushing on opposite sides of the transformer, respectively. The low-voltage chamber is arranged side by side with the high-voltage chamber on one side of the high-voltage chamber. Vacuum circuit breakers and universal circuit breakers are arranged in the high-voltage chamber and the low-voltage chamber, respectively. The distance between the transformer and the energy storage converter, the vacuum circuit breaker, and the universal circuit breaker is relatively short, which can save the use of copper bars and reduce electrical loss. However, this structure is not easy to connect multiple energy storage units in series when in use, resulting in insufficient power when the converter raises the voltage. UTILITY MODEL CONTENTS
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a group string formula energy storage step-up integrated machine, which aims to solve the problems raised in the above background.
[0006] The utility model provides the following technical scheme: a kind of group string formula energy storage step-up integrated machine, including step-up machine main body, connection component is set on the step-up machine main body;
[0007] The connection component includes a first battery pack arranged on the top of the step-up machine main body, a second battery pack arranged on the top of the first battery pack, and an insulating partition plate arranged on the top of the second battery pack.
[0008] A spacer frame is provided between the second battery pack and the first battery pack, and a conductive frame is welded onto the spacer frame;
[0009] A controller is provided on one side of the first battery pack. The controller is embedded in the booster body, and a processor is provided on one side of the surface of the controller.
[0010] As can be seen, in the above technical solution, the controller is responsible for monitoring and managing the operating status of the entire system. The first battery pack, the second battery pack, and the pad frame are stacked together and connected in series through the conductive frame to increase the voltage, thereby achieving an increase in the overall voltage.
[0011] Optionally, in one possible implementation, a plurality of nylon rods are fixedly mounted on the first battery pack. The nylon rods are located outside the first and second battery packs, and the top of the nylon rods extends to the bottom of the insulating partition. An emergency stop button is provided on the side of the controller away from the processor, and a switch button is provided on the side of the emergency stop button. Both the emergency stop button and the switch button are mounted on the booster body. A transformer is provided in the middle of the booster body, and a boost converter is provided on the top of the transformer. The second battery pack is connected to the boost converter via wires. A plurality of vent holes are provided through the outer side of the booster body. A plurality of columns are installed at the bottom of the booster body via bolts. A plurality of notches are provided on the outer side of both the second battery pack and the insulating partition. The nylon rods are located in the notches, and both the second battery pack and the insulating partition are engaged with the nylon rods.
[0012] The technical effects and advantages of this utility model are as follows:
[0013] By setting up connection components, the overall design is simple and the structure is reasonable compared with the existing technology. Through the corresponding cooperation of each structure, the transformer stores electrical energy, the step-up converter is used to raise the voltage of the battery pack to the level required by the grid or load, and the controller is responsible for monitoring and managing the operating status of the entire system. At the same time, the first battery pack, the second battery pack and the pad frame are stacked together and connected in series through the conductive frame to raise the voltage, thereby realizing the overall voltage increase.
[0014] When the power grid needs to replenish its power, the energy storage device releases the stored power. String energy storage can be expanded according to actual needs by increasing or decreasing the number of first battery packs, second battery packs, and grid pads to meet the needs of energy storage projects of different scales and requirements. By optimizing the combination of battery modules and the design of the boost converter, the system can achieve high energy conversion efficiency and reduce energy loss during the conversion process. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in this disclosure, the accompanying drawings used in some embodiments will be briefly described below. Obviously, the drawings described below are only drawings of some embodiments of this disclosure, and those skilled in the art can obtain other drawings based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams and are not intended to limit the actual size of the product, the actual flow of the method, the actual timing of the signals, etc. involved in the embodiments of this disclosure.
[0016] Figure 1 This is a front view of the overall structure of this utility model.
[0017] Figure 2 This is a side view of the overall structure of this utility model.
[0018] Figure 3 This utility model Figure 2 Left side structural diagram.
[0019] Figure 4 This is a perspective view of the first battery pack, the pad frame, the second battery pack, and the insulating separator of this utility model.
[0020] The attached figures are labeled as follows: 1. Main body of the booster; 2. First battery pack; 3. Second battery pack; 4. Insulating partition; 5. Nylon rod; 6. Controller; 7. Processor; 8. Emergency stop button; 9. Switch button; 10. Transformer; 11. Boost converter; 12. Vent hole; 13. Column; 14. Pad frame; 15. Conductive frame. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] As attached Figure 1 - Figure 4The string energy storage boost converter shown in the figure stores electrical energy through a transformer 10 via a connecting component on the boost converter body 1. The boost converter 11 is used to increase the voltage of the battery pack to the level required by the grid or load. The controller 6 is responsible for monitoring and managing the operating status of the entire system. At the same time, the first battery pack 2, the second battery pack 3, and the pad frame 14 are stacked together and connected in series through the conductive frame 15 to increase the voltage, thereby achieving an overall voltage increase. When the grid needs to replenish electrical energy, the energy storage device releases the stored electrical energy. The string energy storage can be expanded according to actual needs by increasing or decreasing the number of the first battery pack 2, the second battery pack 3, and the pad frame 14 to meet the needs of energy storage projects of different scales and requirements. By optimizing the combination of battery modules and the design of the boost converter, the system can achieve high energy conversion efficiency and reduce energy loss during the conversion process. The specific structural settings of the components are as follows.
[0023] The connecting assembly includes a first battery pack 2 disposed on the top of the booster body 1, a second battery pack 3 disposed on the top of the first battery pack 2, and an insulating partition 4 disposed on the top of the second battery pack 3.
[0024] A spacer frame 14 is provided between the second battery pack 3 and the first battery pack 2, and a conductive frame 15 is welded onto the spacer frame 14.
[0025] A controller 6 is provided on one side of the first battery pack 2. The controller 6 is embedded in the booster body 1. A processor 7 is provided on one side of the surface of the controller 6.
[0026] Several nylon rods 5 are fixedly installed on the first battery pack 2. The nylon rods 5 are located outside the first battery pack 2 and the second battery pack 3, and the top of the nylon rods 5 extends to the bottom of the insulating partition 4. An emergency stop button 8 is provided on the side of the controller 6 away from the processor 7. A switch button 9 is provided on the side of the emergency stop button 8. Both the emergency stop button 8 and the switch button 9 are installed on the booster body 1. A transformer 10 is provided in the middle of the booster body 1. A boost converter 11 is provided on the top of the transformer 10. The second battery pack 3 is connected to the boost converter 11 through wires. Several vent holes 12 are opened through the outside of the booster body 1. Several columns 13 are installed at the bottom of the booster body 1 by bolts. Several notches are opened on the outside of the second battery pack 3 and the insulating partition 4. The nylon rods 5 are located in the notches. The second battery pack 3 and the insulating partition 4 are engaged with the nylon rods 5.
[0027] When using the above structure, the staff will install the device in the designated location and connect the pad frame 14 to the power grid equipment through a cable. When the voltage is boosted, the user will operate the booster main body 1 on the controller 6. The transformer 10 stores electrical energy. The boost converter 11 is used to boost the voltage of the battery pack to the level required by the power grid or load. The controller 6 is responsible for monitoring and managing the operating status of the entire system.
[0028] Simultaneously, the first battery pack 2, the second battery pack 3, and the pad frame 14 are stacked together and connected in series via the conductive frame 15 to increase the voltage, thereby achieving an overall voltage increase. When the grid needs to replenish power, the energy storage device releases the stored power. Furthermore, through string energy storage, it can be expanded according to actual needs by increasing or decreasing the number of the first battery pack 2, the second battery pack 3, and the pad frame 14 to meet the needs of energy storage projects of different scales and requirements. By optimizing the combination of battery modules and the design of the boost converter, the system can achieve high energy conversion efficiency and reduce energy loss during the conversion process.
[0029] Unlike existing technologies, this application discloses a string energy storage boost converter. The transformer 10 stores electrical energy, and the boost converter 11 raises the voltage of the battery packs to the level required by the grid or load. The controller 6 monitors and manages the overall system operation. Simultaneously, the first battery pack 2, the second battery pack 3, and the pad frame 14 are stacked together and connected in series via a conductive frame 15 to raise the voltage, thus achieving an overall voltage increase. When the grid needs additional power, the energy storage device releases the stored energy. Furthermore, the string energy storage system can be expanded according to actual needs by increasing or decreasing the number of the first battery pack 2, the second battery pack 3, and the pad frame 14 to meet the needs of energy storage projects of different scales and requirements. By optimizing the combination of battery modules and the design of the boost converter, the system can achieve high energy conversion efficiency and reduce energy loss during the conversion process.
[0030] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A string energy storage booster unit, comprising a booster unit body (1), characterized in that: The main body (1) of the booster is provided with a connecting component; The connecting assembly includes a first battery pack (2) disposed on the top of the booster body (1), a second battery pack (3) disposed on the top of the first battery pack (2), and an insulating partition (4) disposed on the top of the second battery pack (3). A spacer frame (14) is provided between the second battery pack (3) and the first battery pack (2), and a conductive frame (15) is welded onto the spacer frame (14). A controller (6) is provided on one side of the first battery pack (2), the controller (6) is embedded in the booster body (1), and a processor (7) is provided on one side of the surface of the controller (6).
2. The string energy storage booster unit according to claim 1, characterized in that: A plurality of nylon rods (5) are fixedly installed on the first battery pack (2). The nylon rods (5) are located outside the first battery pack (2) and the second battery pack (3), and the top of the nylon rods (5) extends to the bottom of the insulating partition (4).
3. The string energy storage booster unit according to claim 1, characterized in that: An emergency stop button (8) is provided on the side of the controller (6) away from the processor (7), and a switch button (9) is provided on the side of the emergency stop button (8). Both the emergency stop button (8) and the switch button (9) are installed on the main body (1) of the booster.
4. The string energy storage booster unit according to claim 1, characterized in that: A transformer (10) is provided in the middle of the main body (1) of the booster, and a boost converter (11) is provided on the top of the transformer (10). The second battery pack (3) is connected to the boost converter (11) through a wire.
5. The string energy storage booster unit according to claim 1, characterized in that: The outer side of the main body (1) of the booster is provided with several ventilation holes (12), and the bottom of the main body (1) of the booster is provided with several columns (13) by bolts.
6. The string energy storage booster unit according to claim 2, characterized in that: The second battery pack (3) and the insulating partition (4) are provided with several notches on their outer sides. The nylon rod (5) is located in the notches and is engaged with the nylon rod (5).
Citation Information
Patent Citations
Energy storage, conversion and boosting all-in-one machine
CN222381395U