Energy storage battery box structure

Abstract

The utility model provides an energy storage battery box structure, and belongs to the field of new energy batteries. The structure comprises a box body, a box cover, a distribution box, a battery pack, an energy management system, a switch and a bidirectional energy storage converter, the box body is of a structure with a lateral opening, the box cover is vertically arranged on the opening in a covering mode, the distribution box is electrically connected with the bidirectional energy storage converter, the bidirectional energy storage converter is electrically connected with the battery pack, and the bidirectional energy storage converter is electrically connected with an external power grid. The energy management system is in signal connection with the switch, the switch is in signal connection with the bidirectional energy storage converter, the distribution box comprises a battery management system and a UPS electric appliance assembly, the UPS electric appliance assembly is used for communicating the battery management system with the bidirectional energy storage converter, and the switch is in signal connection with the battery management system. By adopting the energy storage battery box structure provided by the embodiment of the utility model, the problem of low integration level in the prior art can be solved.

Description

Technical Field

[0001] The utility model relates to the field of new energy batteries, and in particular to an energy storage battery box structure. Background Art

[0002] With the rapid development of new energy batteries, they are widely used in various industries. When new energy batteries are used in the industrial and commercial energy storage industry, they are usually connected to the power grid by setting up a storage battery box, and then connecting the storage battery box to the equipment that needs power, so as to achieve the charging and discharging functions of the battery box.

[0003] The energy storage battery box structure in the existing technology is usually only equipped with a battery pack structure, etc., and can only be used when the grid is powered. In some areas where the mains power is unstable, it is necessary to temporarily add a power supply or use diesel power generation, or an additional UPS system is needed to manage the power distribution of the energy storage battery box.

[0004] The energy storage battery box structure in the prior art requires additional equipment to be used when the grid is out of power, resulting in complex operation and low integration. Utility Model Content

[0005] The present invention provides an energy storage battery box structure that can solve the problem of low integration in the prior art. The technical solution is as follows:

[0006] An energy storage battery box structure, including: a box body, a box cover, a distribution box, a battery pack, an energy management system, a switch and a bidirectional energy storage converter.

[0007] The box body is a structure with a side opening, and the box cover is vertically arranged on the opening. The distribution box, battery pack, energy management system, switch and bidirectional energy storage converter are all arranged in the box body, the distribution box is electrically connected to the bidirectional energy storage converter, the distribution box and the bidirectional energy storage converter are arranged side by side at the bottom of the box body, the bidirectional energy storage converter is electrically connected to the battery pack, the bidirectional energy storage converter is electrically connected to the external power grid, the battery pack is arranged on the top of the distribution box and the bidirectional energy storage converter, the energy management system is arranged on the box cover, the energy management system is signal-connected to the switch, and the switch is signal-connected to the bidirectional energy storage converter.

[0008] The distribution box includes a battery management system and a UPS electrical component. The UPS electrical component is used to connect the battery management system with the bidirectional energy storage converter, and the switch is signal-connected to the battery management system.

[0009] Optionally, the UPS electrical component includes a first switch, a second switch and a dual-input switching power supply, the battery pack is electrically connected to the dual-input switching power supply through the bidirectional energy storage converter and the first switch, and the external power grid is electrically connected to the dual-input switching power supply through the bidirectional energy storage converter and the second switch.

[0010] Optionally, the UPS electrical component further includes a coil, which is disposed between the second switch and the dual-input switching power supply, and is configured to be energized to disconnect the first switch.

[0011] Optionally, a third switch is provided between the bidirectional energy storage converter and the external power grid.

[0012] Optionally, it further includes a liquid cooling unit and a liquid cooling pipeline, the liquid cooling pipeline is arranged on one side of the battery pack, the liquid cooling unit is arranged between the distribution box and the battery pack, and the liquid cooling unit is connected to the liquid cooling pipeline.

[0013] Optionally, the UPS electrical component further includes a fourth switch, and the liquid cooling unit is electrically connected to the coil via the fourth switch.

[0014] Optionally, it further includes a detector and an aerosol, wherein the detector and the aerosol are arranged in the box, the detector is used to detect the temperature, particle size and gas composition in the box, and the detector is connected to the aerosol signal.

[0015] Optionally, a dehumidifier is further included, and the dehumidifier is arranged on the box cover.

[0016] Optionally, a water immersion sensor is further included, and the water immersion sensor is arranged on one side of the box body close to the bottom.

[0017] The beneficial effects of the technical solution provided by the embodiment of the utility model include at least:

[0018] The embodiment of the present utility model provides an energy storage battery box structure, in which a distribution box is arranged in the box body, and is connected to a bidirectional energy storage inverter through the distribution box, so that in the event of a power outage in the external power grid, instructions can still be issued to the bidirectional energy storage inverter through the energy management system, thereby starting the battery management system to utilize the electrical energy in the battery pack, so that external electronic equipment connected to the battery box structure can still be powered by the battery box structure. Since UPS electrical components are configured in the distribution box, the battery management system can be energized regardless of whether there is power in the external power grid through the cooperation of the UPS electrical components, so as to manage the electrical energy in the battery pack. By integrating the UPS electrical components in the distribution box, the battery box structure can still be started in the event of a power outage in the external power grid, and there is no need to add additional power generation equipment or systems, which can effectively solve the problem of low integration in the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is a schematic diagram of the overall structure provided by an embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of the distribution box provided by the embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the distribution box provided by the embodiment of the utility model;

[0023] Figure 4 This is an electrical schematic diagram provided by an embodiment of the present utility model.

[0024] In the figure: 1-box; 2-box cover; 21-dehumidifier; 3-distribution box; 31-battery management system; 32-UPS electrical components; 321-first switch; 322-second switch; 323-dual-input switching power supply; 324-coil; 325-third switch; 326-fourth switch; 4-battery pack; 5-energy management system; 6-switch; 7-bidirectional Chuneng converter; 81-liquid cooling unit; 82-liquid cooling pipeline; 91-detector; 92-aerosol; 10-water immersion sensor. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] Figure 1 This is a schematic diagram of the overall structure provided by an embodiment of the utility model; Figure 2 This is a schematic diagram of the overall structure of the distribution box provided by the embodiment of the utility model; Figure 3 This is a schematic diagram of the internal structure of the distribution box provided by the embodiment of the utility model; Figure 4 This is an electrical schematic diagram provided by the embodiment of the utility model. Figures 1 to 4 The energy storage battery box structure shown includes: a box body 1, a box cover 2, a distribution box 3, a battery pack 4, an energy management system 5, a switch 6 and a bidirectional energy storage converter 7. The box body 1 is a side-opening structure, and the box cover 2 is vertically arranged on the opening. The distribution box 3, the battery pack 4, the energy management system 5, the switch 6 and the bidirectional energy storage converter 7 are all arranged in the box body 1. The distribution box 3 is electrically connected to the bidirectional energy storage converter 7. The distribution box 3 and the bidirectional energy storage converter 7 are arranged side by side at the bottom of the box body 1. The bidirectional energy storage converter 7 and The battery pack 4 is electrically connected, the bidirectional energy storage converter 7 is electrically connected to the external power grid, the battery pack 4 is arranged on the top of the distribution box 3 and the bidirectional energy storage converter 7, the energy management system 5 is arranged on the box cover 2, the energy management system 5 is signal-connected to the switch 6, the switch 6 is signal-connected to the bidirectional energy storage converter 7, the distribution box 3 includes a battery management system 31 and a UPS electrical component 32, the UPS electrical component 32 is used to connect the battery management system 31 with the bidirectional energy storage converter 7, and the switch 6 is signal-connected to the battery management system 31.

[0027] For example, in an embodiment of the present invention, when the external grid is powered, the external grid supplies power to the battery management system 31 and the bidirectional energy storage converter 7. At this time, the energy management system 5 sends startup and power scheduling instructions to the bidirectional energy storage converter 7, and the bidirectional energy storage converter 7 then charges and discharges the battery pack 4 in grid-connected mode. In the event of a power outage in the external grid, the energy management system 5, the battery management system 31, the bidirectional energy storage converter 7, and other devices will indicate that the grid is undervoltage. At this time, the UPS electrical component 32 is used to control the battery management system 31, allowing it to connect to the circuit powered by the battery pack 4. This allows the battery management system 31 to continue to operate normally, prompting the battery pack 4 to continue to power external electronic devices.

[0028] An embodiment of the present utility model provides an energy storage battery box structure, in which a distribution box 3 is arranged in a box body 1, and is connected to a bidirectional energy storage converter 7 through the distribution box 3, so that in the event of a power outage in the external power grid, instructions can still be issued to the bidirectional energy storage converter 7 through the energy management system 5, thereby starting the battery management system 31 to utilize the electrical energy in the battery pack 4, so that external electronic equipment connected to the battery box structure can still be powered by the battery box structure. Since a UPS electrical component 32 is configured in the distribution box 3, the battery management system 31 can be energized regardless of whether there is power in the external power grid through the cooperation of the UPS electrical component 32, so as to manage the electrical energy in the battery pack 4. By integrating the UPS electrical component 32 in the distribution box 3, the battery box structure can still be started when the external power grid is out of power, and there is no need to add additional power generation equipment or systems, which can effectively solve the problem of low integration in the existing technology.

[0029] Optionally, the UPS electrical component 32 includes a first switch 321, a second switch 322 and a dual-input switching power supply 323. The battery pack 4 is electrically connected to the dual-input switching power supply 323 through the bidirectional energy storage converter 7 and the first switch 321. The external power grid is electrically connected to the dual-input switching power supply 323 through the bidirectional energy storage converter 7 and the second switch 322.

[0030] For example, in an embodiment of the present invention, when the external power grid is powered, the second switch 322 is closed and the first switch 321 is opened. The battery management system 31 and the bidirectional energy storage converter 7 are powered on normally. At this time, the energy management system 5 sends a startup and power scheduling instruction to the bidirectional energy storage converter 7, and the bidirectional energy storage converter 7 will charge and discharge the battery pack 4 in the grid-connected mode. In the event of a power outage in the external power grid, the energy management system 5, the battery management system 31, and the bidirectional energy storage converter 7 will indicate that the power grid is undervoltage. At this time, the first switch 321 is closed, and the bidirectional energy storage converter 7 is powered by the voltage of the battery pack 4. The battery management system 31 and the bidirectional energy storage converter 7 are powered on normally. At this time, the energy management system 5 sends an instruction to the bidirectional energy storage converter 7 to switch to the off-grid mode and actively start operation. The output power will be adjusted according to the load size, but it cannot exceed its own power range. In the event of a power outage and insufficient energy in the battery pack 4, the energy management system 5 issues a warning. When it detects that the voltage is below the protection parameter, it issues a command to the first switch 321 to disconnect it, ensuring that the battery pack 4 of the energy storage system does not lose power. When power is restored to the external grid, the energy management system 5 detects that the grid has voltage and first sends a power supply to the bidirectional energy storage converter 7, shutting it down. The process is then repeated for powering the battery pack 4 when the external grid is still active.

[0031] Optionally, the UPS electrical component 32 further includes a coil 324 , which is disposed between the second switch 322 and the dual-input switching power supply 323 . The coil 324 is configured to be energized to disconnect the first switch 321 .

[0032] For example, in an embodiment of the present invention, by providing a coil 324, when there is electricity in the external power grid, when the second switch 322 is closed, the coil 324 is energized, thereby completing the disconnection of the first switch 321. Thus, there is no need to separately operate the opening of the first switch 321, thereby improving the operational convenience of the present structure.

[0033] Optionally, a third switch 325 is provided between the bidirectional energy storage converter 7 and the external power grid.

[0034] For example, in an embodiment of the present utility model, by setting a third switch 325, in the event of a power outage in the external power grid, the third switch 325 can be first controlled to be disconnected through the energy management system 5, and then the third switch 325 can be controlled to be closed through the energy management system 5 when a call comes in, so as to prevent a sudden call from impacting the internal circuit of the battery box structure and causing damage. By setting the third switch 325, the safety of the structure is improved.

[0035] Optionally, it also includes a liquid cooling unit 81 and a liquid cooling pipeline 82. The liquid cooling pipeline 82 is arranged on one side of the battery pack 4. The liquid cooling unit 81 is arranged between the distribution box 3 and the battery pack 4. The liquid cooling unit 81 is connected to the liquid cooling pipeline 82.

[0036] For example, in an embodiment of the present invention, by providing a liquid cooling unit 81 and a liquid cooling pipeline 82, the battery pack 4 can be cooled to prevent fire caused by excessively high operating temperature of the battery pack 4, thereby further improving the safety of the present structure.

[0037] Optionally, the UPS electrical component 32 further includes a fourth switch 326 , and the liquid cooling unit 81 is electrically connected to the coil 324 via the fourth switch 326 .

[0038] For example, in an embodiment of the present utility model, by electrically connecting the liquid cooling unit 81 to the coil 324 through the fourth switch 326, the liquid cooling unit 81 can be connected to the circuit and powered on regardless of whether there is electricity in the external power grid, so that the liquid cooling unit 81 can always work, ensuring the operating temperature of the battery 4, and further improving the safety of the present structure.

[0039] Optionally, a detector 91 and an aerosol 92 are further included. The detector 91 and the aerosol 92 are arranged in the box 1. The detector 91 is used to detect the temperature, particle size and gas composition in the box 1. The detector 91 is connected to the aerosol 92 signal.

[0040] Illustratively, in an embodiment of the present invention, the detector 91 includes a smoke and temperature detector and a combustible gas detector, which can be used to detect the temperature, particle size and composition of the gas in the box 1. When the detected value exceeds the standard, it indicates that the battery pack 4 is abnormal or a fire has occurred. At this time, the detector 91 transmits a signal to the aerosol 92 to spray the fire extinguishing agent to prevent the further spread of the fire, thereby further improving the safety of the structure.

[0041] Optionally, a dehumidifier 21 is further included, and the dehumidifier 21 is arranged on the box cover 2.

[0042] For example, in an embodiment of the present invention, a dehumidifier 21 is provided to dry the gas inside the box 1 to prevent corrosion or short circuit of components due to excessive humidity, thereby further improving the safety of the structure.

[0043] Optionally, a water immersion sensor 10 is further included, and the water immersion sensor 10 is arranged on one side of the box body 1 near the bottom.

[0044] For example, in the embodiment of the present invention, by providing a water sensor 10, when the water sensor 10 detects water, it will generate an alarm signal to notify the staff to take measures to prevent further damage to the battery box structure. By providing the water sensor 10, the safety of the structure is further improved.

[0045] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by persons of ordinary skill in the field to which the present invention belongs. The terms "first", "second" and similar words used in the specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, terms such as "a" or "an" do not indicate a quantity limitation, but rather indicate the presence of at least one. Terms such as "include" or "comprising" mean that the elements or objects appearing before "include" or "comprising" include the elements or objects listed after "include" or "comprising" and their equivalents, and do not exclude other elements or objects. Terms such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Terms such as "upper", "lower", "left", and "right" are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0046] The above description is only an optional embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An energy storage battery box structure, characterized in that: include: Box body (1), box cover (2), distribution box (3), battery pack (4), energy management system (5), switch (6) and bidirectional energy storage converter (7), The box body (1) is a structure with a side opening, the box cover (2) is vertically arranged and covered on the opening, the distribution box (3), the battery pack (4), the energy management system (5), the switch (6) and the bidirectional energy storage converter (7) are all arranged in the box body (1), the distribution box (3) is electrically connected to the bidirectional energy storage converter (7), the distribution box (3) and the bidirectional energy storage converter (7) are arranged side by side at the bottom of the box body (1), the bidirectional energy storage converter (7) is electrically connected to the battery pack (4), the bidirectional energy storage converter (7) is electrically connected to the external power grid, the battery pack (4) is arranged on the top of the distribution box (3) and the bidirectional energy storage converter (7), the energy management system (5) is arranged on the box cover (2), the energy management system (5) is signal-connected to the switch (6), and the switch (6) is signal-connected to the bidirectional energy storage converter (7). The distribution box (3) comprises a battery management system (31) and a UPS electrical component (32), wherein the UPS electrical component (32) is used to connect the battery management system (31) with the bidirectional energy storage converter (7), and the switch (6) is signal-connected to the battery management system (31).

2. The energy storage battery box structure according to claim 1, characterized in that: The UPS electrical component (32) comprises a first switch (321), a second switch (322) and a dual-input switching power supply (323); the battery pack (4) is electrically connected to the dual-input switching power supply (323) via the bidirectional energy storage converter (7) and the first switch (321); and the external power grid is electrically connected to the dual-input switching power supply (323) via the bidirectional energy storage converter (7) and the second switch (322).

3. The energy storage battery box structure according to claim 2, characterized in that: The UPS electrical component (32) further includes a coil (324), which is arranged between the second switch (322) and the dual-input switching power supply (323). The coil (324) is configured to be energized to disconnect the first switch (321).

4. The energy storage battery box structure according to claim 1, characterized in that: A third switch (325) is provided between the bidirectional energy storage converter (7) and the external power grid.

5. The energy storage battery box structure according to claim 3, characterized in that: It also includes a liquid cooling unit (81) and a liquid cooling pipeline (82), wherein the liquid cooling pipeline (82) is arranged on one side of the battery pack (4), the liquid cooling unit (81) is arranged between the distribution box (3) and the battery pack (4), and the liquid cooling unit (81) is connected to the liquid cooling pipeline (82).

6. The energy storage battery box structure according to claim 5, characterized in that: The UPS electrical component (32) further includes a fourth switch (326), and the liquid cooling unit (81) is electrically connected to the coil (324) via the fourth switch (326).

7. The energy storage battery box structure according to claim 1, characterized in that: The invention also includes a detector (91) and an aerosol (92), wherein the detector (91) and the aerosol (92) are arranged in the box (1), the detector (91) is used to detect the temperature, particle size and gas composition in the box (1), and the detector (91) is connected to the aerosol (92) signal.

8. The energy storage battery box structure according to claim 1, characterized in that: It also includes a dehumidifier (21), which is arranged on the box cover (2).

9. The energy storage battery box structure according to claim 1, characterized in that: It also includes a water immersion sensor (10), which is arranged in the box (1) near the bottom side.

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