Multi-energy energy storage container suitable for field operation power supply

Abstract

The utility model belongs to the technical field of energy storage containers, and particularly relates to a multi-energy energy storage container suitable for field operation power supply, which comprises a container body, and a control box, a power supply integrated controller, a wide temperature range battery assembly and a photovoltaic power generation assembly which are arranged on a rack are arranged in the container body. The control box is respectively connected with the power supply comprehensive controller and the wide temperature range battery assembly, and the power supply comprehensive controller is respectively connected with the wide temperature range battery assembly and the photovoltaic power generation assembly; the wide-temperature-range battery assembly comprises a plurality of battery boxes containing storage batteries, a temperature control assembly is arranged in each battery box, and the temperature control assemblies are used for adjusting the temperature of the storage batteries. According to the utility model, the reliability, the safety and the maneuverability of the container are improved, and the adaptability of the container to high and low temperature environments in the field is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of energy storage containers, and in particular relates to a multi-energy storage container suitable for field power supply. Background Art

[0002] With the in-depth development of new energy in the power generation industry, photovoltaics and energy storage boxes are gradually combined and applied to form multi-energy complementary energy storage containers. The diversification and complexity of field operations have put forward higher requirements for the power supply of multi-energy complementary energy storage containers, and energy storage containers need to adapt to the temperature range of -41 to +46°C. It is well known that the charging rate, capacity, and discharge capacity of the batteries in energy storage containers will drop significantly in low temperature environments, seriously affecting the energy storage capacity. In high temperature environments, it affects the life of the batteries, and the difficulty in heat dissipation of the batteries can easily lead to overheating and runaway of the batteries.

[0003] At present, energy storage containers use air conditioners or fans to dissipate heat. Air conditioners are used to adjust the temperature of battery equipment during storage and operation, and fans are used to adjust the flow rate of gas. However, air conditioners dissipate heat from the overall internal environment of the container, rather than directly and accurately dissipating heat from the heat-generating equipment. Therefore, the heat dissipation effect of air conditioners is average, and the energy consumption is high, which is not suitable for heat dissipation in field operations.

[0004] In addition, the battery adaptability range of energy storage containers is generally not less than -20℃, so it is difficult to use them for power supply in field operations under the premise of ensuring battery performance and safety; in addition, energy storage containers do not take into account the mobility requirements of field operations and transportation, and do not adopt the standard cabin design. They are large in size and heavy in weight, making them inconvenient to maneuver and transport. This limits their application in field operations that require rapid deployment and mobile support.

[0005] In view of this, the inventor provides a multi-energy storage container suitable for field power supply to solve the above technical problems. Utility Model Content

[0006] The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and to propose a multi-energy storage container suitable for field power supply. The wide temperature range battery assembly of the container is provided with a temperature control assembly, which can improve the adaptability of the battery in high and low temperature environments, thereby improving the adaptability of the container to high and low temperature environments in the field.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] The utility model provides a multi-energy storage container suitable for field power supply, comprising a container body, wherein a control box, a power integrated controller, a wide temperature range battery assembly and a photovoltaic power generation assembly are arranged in the container body, wherein the control box is connected to the power integrated controller and the wide temperature range battery assembly respectively, and the power integrated controller is connected to the wide temperature range battery assembly and the photovoltaic power generation assembly respectively;

[0009] The wide temperature range battery assembly comprises a battery box, on which a storage battery and a temperature control assembly are arranged, and the temperature control assembly is used to adjust the temperature of the storage battery.

[0010] Furthermore, there are multiple battery boxes, each of which is equipped with a storage battery, and the storage battery is electrically connected to the power integrated controller and the control box respectively, and each of the battery boxes is equipped with a temperature control component.

[0011] Furthermore, the temperature control component includes a first heating and cooling fin, a first metal heat sink, a fan, a heat dissipation outlet plate, which are sequentially arranged on the upper surface of the battery, and a second heating and cooling fin and a second metal heat sink, which are sequentially arranged on the lower surface of the battery; the first heating and cooling fin, the second heating and cooling fin and the fan are all electrically connected to the battery; the control box controls the battery to supply or cut off power to the first heating and cooling fin, the second heating and cooling fin and the fan.

[0012] Further, the control box includes a first IGBT, a first MCU, a second IGBT, and a second MCU;

[0013] The first IGBT is electrically connected to the first MCU, the graphene heating sheet of the first heating and cooling sheet is electrically connected to the graphene heating sheet of the second heating and cooling sheet and is electrically connected to the battery through the first IGBT, and the first MCU controls the first IGBT and then controls the battery to supply power to or cut off power to the first heating and cooling sheet and the second heating and cooling sheet;

[0014] The second IGBT is electrically connected to the second MCU, the semiconductor refrigeration plate of the first heating refrigeration plate is electrically connected to the semiconductor refrigeration plate of the second heating refrigeration plate and is electrically connected to the battery through the second IGBT, and the second MCU controls the second IGBT and then controls the battery to supply power to or cut off power to the first heating refrigeration plate and the second heating refrigeration plate.

[0015] Furthermore, the wide temperature range battery assembly also includes a first temperature sensor and a second temperature sensor. The first temperature sensor is located inside the battery box and is connected to the first MCU and the second MCU respectively, and is used to upload the detected battery temperature to the first MCU and the second MCU; the second temperature sensor is located outside the container body and is connected to the first MCU and the second MCU respectively, and is used to upload the detected external temperature to the first MCU and the second MCU.

[0016] Furthermore, the control box also includes a human-computer interaction interface, which is connected to the first MCU and the second MCU respectively for displaying information, and the human-computer interaction interface is arranged on the outer wall of the container body.

[0017] Furthermore, the first MCU is electrically connected to the fan through a first IGBT, and the first MCU controls the first IGBT to enable the battery to supply power to or cut off power to the fan. The second MCU is electrically connected to the fan through a second IGBT, and the second MCU controls the second IGBT to enable the battery to supply power to or cut off power to the fan.

[0018] Furthermore, the heat dissipation and air outlet plate is installed on the top of the battery box, and a plurality of columns are provided on the inner wall of the battery box below the second metal heat sink, and the columns are used to connect with the second metal heat sink to form a cavity structure between the second metal heat sink and the battery box to maintain gas circulation.

[0019] Furthermore, the first heating and cooling sheet and the second heating and cooling sheet are both composed of a plurality of graphene heating sheets and semiconductor cooling sheets that are spaced apart and evenly arranged, and the graphene heating sheets and the semiconductor cooling sheets are arranged alternately.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1) The utility model is a multi-energy storage container suitable for field power supply. The wide temperature range battery assembly of the container is provided with a temperature control assembly. By directly dissipating the heat source, the temperature inside the container is reduced, solving the problem that the heat dissipation effect of air conditioning is general, the energy consumption is high, and it is not suitable for heat dissipation in field operations. The utility model can improve the adaptability of the battery in high and low temperature environments, thereby improving the adaptability of the container to high and low temperature environments in the field;

[0022] In addition, the container is equipped with photovoltaic power generation components and wide-temperature range battery components, so the container has multi-energy complementary capabilities, reduces dependence on fuel and improves power supply reliability.

[0023] 2) The utility model is a multi-energy storage container suitable for field power supply. The container body adopts JY1 container, which improves the reliability, safety and maneuverability of the container; and it has an integrated design, compact structure, safety and reliability, convenient transportation and rapid deployment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings herein are incorporated into and constitute a part of this specification, and together with the description, are used to explain the principles of the present utility model.

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0026] Figure 1 This is a schematic diagram of the left side structure of the multi-energy storage container of the utility model;

[0027] Figure 2 It is a schematic diagram of the right side structure of the multi-energy storage container of the utility model;

[0028] Figure 3 This is a schematic diagram of the external structure of the multi-energy storage container of the utility model;

[0029] Figure 4 This is a schematic diagram of the wide temperature range battery assembly structure of the multi-energy storage container of the utility model;

[0030] Figure 5 for Figure 4 Schematic diagram of the back structure of the battery;

[0031] Figure 6 This is a schematic diagram of the battery box structure of the multi-energy storage container of the utility model;

[0032] Figure 7 This is a connection diagram of the power supply network of the wide temperature range battery assembly of the multi-energy storage container of the utility model.

[0033] Among them: 1 is the container body; 2 is the control box; 3 is the power integrated controller; 4 is the wide temperature range battery assembly; 5 is the photovoltaic power generation assembly; 41 is the battery; 42 is the battery box; 43 is the temperature control assembly; 431 is the first heating and cooling plate; 432 is the first metal heat sink; 433 is the fan; 434 is the heat dissipation air outlet plate; 435 is the second metal heat sink; 436 is the column, and 437 is the second heating and cooling plate. DETAILED DESCRIPTION

[0034] Here, exemplary embodiments will be described in detail, and the embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present utility model. Instead, they are only examples of devices consistent with some aspects of the present utility model as detailed in the attached claims.

[0035] See also Figures 1 to 7 The utility model provides a multi-energy storage container suitable for field power supply, including a container body 1, wherein a control box 2 placed on a shelf, a power integrated controller 3, a wide temperature range battery assembly 4 and a photovoltaic power generation assembly 5 are arranged in the container body 1, wherein the control box 2 is electrically connected to the power integrated controller 3 and the wide temperature range battery assembly 4 respectively, and is used to display information of the power integrated controller 3, control the power integrated controller 3 and the wide temperature range battery assembly 4, and input AC power to the power integrated controller 3, wherein the power integrated controller 3 is electrically connected to the wide temperature range battery assembly 4 and the photovoltaic power generation assembly 5 respectively, and is used to control the discharge and reverse conversion of the wide temperature range battery assembly 4, and convert the energy generated by the photovoltaic power generation assembly 5 into electrical energy and provide it to the wide temperature range battery assembly 4 for charging, wherein the photovoltaic power generation assembly 5 adopts a high-efficiency solar panel and a maximum power point tracking technology, and can provide a stable power source for the container in a field environment; wherein the wide temperature range battery assembly 4 comprises a battery box 42, wherein the battery box 42 is provided with a storage battery 41 and a temperature control assembly 43, wherein the temperature control assembly 43 is used to adjust the temperature of the storage battery 41, and then adjust the temperature in the container.

[0036] like Figures 1 to 3 As shown, specifically, the container body 1 is a JY1 standard container, with an overall outer dimension of 1300×900×1300 and a minimum inner dimension of 1264×800×1150. The JY1 standard container is made of high-strength metal material, has good shockproof, waterproof and dustproof properties, and can adapt to harsh outdoor environments. The JY1 standard container is provided with symmetrical inspection doors along one side of the length, and the dimensions of the inspection doors are 1148×972mm. The JY1 standard container is provided with two electric air inlet shutters on one side of the length and two electric air outlet shutters on the other side. The two electric air inlet shutters are provided at the lower part of the JY1 standard container and below the control box 2, and the two electric air outlet shutters are provided at the upper part of the JY1 standard container. This design is to prevent dust, rain, and rats and snakes.

[0037] Specifically, in this embodiment, the photovoltaic power generation assembly 5 is provided with 10 folded flexible photovoltaic panels, each of which has a size of 700×480×50 mm and a maximum output power of not less than 3 kW when unfolded. During specific use, the 10 folded flexible photovoltaic panels are placed outside the container, and the photovoltaic panels are put back into the container after use.

[0038] The power integrated controller 3 is a UPS, and the UPS has an overall size of 500×500×192mm. It is responsible for the energy management and control of the entire container, including the charge and discharge management of the wide temperature range battery assembly 4, the switching control of multiple energy sources, etc. For example, it controls the power station and photovoltaic power generation assembly 5 to charge the wide temperature range battery assembly 4 (AC / DC, DC / DC), and controls the discharge (DC / DC) and inversion conversion (DC / AC) of the wide temperature range battery assembly 4. The UPS is provided with a power station (mains) input interface, a wide temperature range battery assembly 4 input and output bidirectional interface, a photovoltaic input port, and a power supply output interface. It can be seen that the wide temperature range battery assembly 4 has two forms of power input, namely, the power station and the photovoltaic power generation assembly 4. UPS working mode: Normal working mode: Under normal circumstances, after AC230V / 50Hz power is input from the power station input port, one way is bypassed to directly power the equipment, and the other way is converted through AC / DC to power the energy storage battery; Special power supply mode: When there is a silent power supply requirement or the AC input is abnormal, the wide temperature range battery assembly 4 converts DC / DC and DC / AC to finally output AC 230V power to the load. The power supply conversion process between the power station and the wide temperature range battery assembly 4 is seamless.

[0039] like Figure 2 , Figure 4 , Figure 5 As shown, in this embodiment, the wide temperature range battery assembly 4 is provided with 8 battery boxes 42, each battery box 42 is equipped with a battery 41, each battery 41 has an outer dimension of 480×380×182 and an energy storage capacity of 30.72 kWh, and the battery 41 is electrically connected to the power integrated controller 3 and the control box 2 respectively, and each battery box 42 is provided with a temperature control component 43.

[0040] In this embodiment, the temperature control component 43 includes a first heating and cooling sheet 431, a first metal heat sink 432, a fan 433, a heat dissipation plate 434, and a second heating and cooling sheet 437 and a second metal heat sink 435, which are sequentially arranged on the upper surface of the battery 41; the first heating and cooling sheet 431, the second heating and cooling sheet 437 and the fan 433 are all electrically connected to the battery 41; the control box 2 controls the battery 41 to supply or cut off power to the first heating and cooling sheet 431, the second heating and cooling sheet 437 and the fan 433. Specifically, the battery 41 adopts a highly safe 80Ah / 48V lithium iron phosphate battery, which has the advantages of long cycle life, non-flammable and non-explosive safety. The wide temperature range battery assembly 4 can keep the lithium iron phosphate battery warm in the low temperature environment outside and cool the lithium iron phosphate battery in the high temperature environment outside / inside the container, ensuring that the lithium iron phosphate battery is in a suitable operating temperature range.

[0041] like Figure 7As shown, in this embodiment, the control box 2 at least includes a communication interface, an input / output interface, a first IGBT, a first MCU, a second IGBT, and a second MCU;

[0042] Among them, the first IGBT is electrically connected to the first MCU, the graphene heating plate of the first heating and cooling plate 431 is electrically connected to the graphene heating plate of the second heating and cooling plate 437 and is electrically connected to the battery 41 through the first IGBT, and the first MCU controls the first IGBT and then controls the battery 41 to supply power to or cut off power to the first heating and cooling plate 431 and the second heating and cooling plate 437;

[0043] The second IGBT is electrically connected to the second MCU, the semiconductor cooling plate of the first heating cooling plate 431 is electrically connected to the semiconductor cooling plate of the second heating cooling plate 437 and is electrically connected to the battery 41 through the second IGBT, and the second MCU controls the second IGBT and then controls the battery 41 to supply power to or cut off power to the first heating cooling plate 431 and the second heating cooling plate 437.

[0044] Furthermore, the wide temperature range battery assembly 4 also includes a first temperature sensor and a second temperature sensor. The first temperature sensor is located inside the battery box 42 and is connected to the first MCU and the second MCU respectively, and is used to upload the detected temperature of the battery 41 to the first MCU and the second MCU; the second temperature sensor is located outside the container body 1 and is connected to the first MCU and the second MCU respectively, and is used to upload the detected external temperature to the first MCU and the second MCU.

[0045] The control box 2 also includes a human-machine interaction interface, which is connected to the first MCU and the second MCU respectively, and is used to display information, and the human-machine interaction interface is arranged on the outer wall of the container body 1. The human-machine interaction interface includes a power station input socket (6kW), a power supply output socket (6kW), a photovoltaic input socket, a communication socket, a panel lighting, a panel lighting switch, a UPS display and control output switch, etc., wherein the power station input, photovoltaic input, power supply output, etc. all use standard aviation electrical connectors and signal connectors.

[0046] Furthermore, the first MCU is electrically connected to the fan 433 through the first IGBT, and the first MCU controls the first IGBT so that the battery 41 supplies power to or cuts off power to the fan 433. The second MCU is electrically connected to the fan 433 through the second IGBT, and the second MCU controls the second IGBT so that the battery 41 supplies power to or cuts off power to the fan 433.

[0047] like Figure 6As shown, in this embodiment, the heat dissipation air outlet plate 434 is installed on the top of the battery box 42 to speed up the temperature transmission, and the fan 433 on the top is used to accelerate the gas circulation. The inner wall of the battery box 42 is located below the second metal heat sink 435 and is provided with four threaded columns 436. The columns 436 are used to connect with the second metal heat sink 435, so that a cavity structure is formed between the second metal heat sink 435 and the battery box 42 to maintain the gas circulation. Specifically, the material of the battery box 42 is not limited here, as long as it has electrical insulation, high heat dissipation and chemical stability.

[0048] like Figure 5 As shown, the first heating and cooling sheet 431 and the second heating and cooling sheet 437 are composed of multiple graphene heating sheets and semiconductor cooling sheets that are spaced and evenly arranged, and the graphene heating sheets and the semiconductor cooling sheets are arranged alternately, and can be quickly heated or cooled by applying voltage respectively, in order to achieve relatively uniform heating or cooling. Specifically, the size of each semiconductor cooling sheet and graphene heating sheet is 20mm×20mm×3mm, and the number is 10×8.

[0049] The utility model includes the following processes in practical specific applications:

[0050] Step 1: The second temperature sensor of the temperature control component 43 obtains the external temperature and transmits the temperature to the first MCU and the second MCU of the control box 2;

[0051] When the outside temperature is lower than the first set threshold, the second MCU controls the second IGBT of the control box 2 to energize so that the first heating and cooling sheet 431 and the graphene heating sheet 437 of the temperature control component 43 are heated and heat is transferred to the battery 41, and the fan 433 of the temperature control component 43 is started at the same time;

[0052] When the outside temperature is higher than the second set threshold, the first MCU controls the first IGBT of the control box 2 to energize so that the semiconductor cooling sheets of the first heating cooling sheet 431 and the second heating cooling sheet 437 cool the battery 41 and start the fan 433 at the same time;

[0053] Step 2: The first temperature sensor of the wide temperature range battery assembly 4 obtains the temperature of the battery 41 and transmits the temperature to the first MCU and the second MCU;

[0054] When the temperature of the battery 41 is higher than the third set threshold, the first MCU controls the first IGBT to be powered on so that the semiconductor cooling sheets of the first heating cooling sheet 431 and the second heating cooling sheet 437 cool the battery 41 and start the fan 433 at the same time;

[0055] Among them, during the control process, when the human-computer interaction interface of the control box 2 shows that the power of the battery 41 is less than the fourth set threshold, the control box 2 gives a warning signal, and cuts off the power to the first IGBT or the second IGBT, stops the operation of the temperature control component 43, and charges the battery 41 through the power station or the photovoltaic power generation component 5.

[0056] Among them, the first set threshold is less than 0°C; the second set threshold is greater than 35°C; the third set threshold is greater than 45°C; and the fourth set threshold is less than 10%.

[0057] It has been verified that the lithium iron phosphate battery can reach the set operating temperature of 0-35°C within 10 minutes.

[0058] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention.

[0059] It should be understood that the present invention is not limited to the above-described contents, and various modifications and changes can be made without departing from its scope. The scope of the present invention is limited only by the appended claims.

Claims

1. A multi-energy storage container suitable for field power supply, characterized in that: The invention comprises a container body (1), wherein a control box (2), a power integrated controller (3), a wide temperature range battery assembly (4) and a photovoltaic power generation assembly (5) are arranged in the container body (1), wherein the control box (2) is connected to the power integrated controller (3) and the wide temperature range battery assembly (4) respectively, and the power integrated controller (3) is connected to the wide temperature range battery assembly (4) and the photovoltaic power generation assembly (5) respectively; The wide temperature range battery assembly (4) comprises a battery box (42), on which a storage battery (41) and a temperature control assembly (43) are arranged, and the temperature control assembly (43) is used to adjust the temperature of the storage battery (41).

2. The multi-energy storage container suitable for field power supply according to claim 1 is characterized in that: There are a plurality of battery boxes (42), each of which is provided with a storage battery (41), the storage battery (41) being electrically connected to the power integrated controller (3) and the control box (2) respectively, and each of which is provided with a temperature control component (43).

3. The multi-energy storage container suitable for field power supply according to claim 1 or 2, characterized in that: The temperature control component (43) comprises a first heating and cooling fin (431), a first metal heat sink (432), a fan (433), a heat dissipation and air outlet plate (434) arranged in sequence on the upper surface of the storage battery (41), and a second heating and cooling fin (437) and a second metal heat sink (435) arranged in sequence on the lower surface of the storage battery (41); the first heating and cooling fin (431), the second heating and cooling fin (437) and the fan (433) are all electrically connected to the storage battery (41); and the control box (2) controls the storage battery (41) to supply or cut off power to the first heating and cooling fin (431), the second heating and cooling fin (437) and the fan (433).

4. The multi-energy storage container suitable for field power supply according to claim 3 is characterized in that: The control box (2) comprises a first IGBT, a first MCU, a second IGBT, and a second MCU; The first IGBT is electrically connected to the first MCU, the graphene heating plate of the first heating and cooling plate (431) is electrically connected to the graphene heating plate of the second heating and cooling plate (437) and is electrically connected to the battery (41) through the first IGBT, and the first MCU controls the first IGBT and then controls the battery (41) to supply or cut off power to the first heating and cooling plate (431) and the second heating and cooling plate (437); The second IGBT is electrically connected to the second MCU, the semiconductor cooling plate of the first heating cooling plate (431) is electrically connected to the semiconductor cooling plate of the second heating cooling plate (437) and is electrically connected to the battery (41) through the second IGBT, and the second MCU controls the second IGBT and then controls the battery (41) to supply or cut off power to the first heating cooling plate (431) and the second heating cooling plate (437).

5. The multi-energy storage container suitable for field power supply according to claim 4 is characterized in that: The wide temperature range battery assembly (4) further comprises a first temperature sensor and a second temperature sensor, wherein the first temperature sensor is located inside the battery box (42) and is connected to the first MCU and the second MCU respectively, and is used to upload the detected temperature of the battery (41) to the first MCU and the second MCU; and the second temperature sensor is located outside the container body (1) and is connected to the first MCU and the second MCU respectively, and is used to upload the detected external temperature to the first MCU and the second MCU.

6. The multi-energy storage container suitable for field power supply according to claim 4 is characterized in that: The control box (2) further comprises a human-machine interaction interface, which is respectively connected to the first MCU and the second MCU and is used to display information, and the human-machine interaction interface is arranged on the outer wall of the container body (1).

7. The multi-energy storage container suitable for field power supply according to claim 4 is characterized in that: The first MCU is electrically connected to the fan (433) via a first IGBT, and the first MCU controls the first IGBT so that the storage battery (41) supplies power to or cuts off power to the fan (433); the second MCU is electrically connected to the fan (433) via a second IGBT, and the second MCU controls the second IGBT so that the storage battery (41) supplies power to or cuts off power to the fan (433).

8. The multi-energy storage container suitable for field power supply according to claim 3 is characterized in that: The heat dissipation air outlet plate (434) is installed on the top of the battery box (42); a plurality of columns (436) are provided on the inner wall of the battery box (42) below the second metal heat sink (435); the columns (436) are used to connect with the second metal heat sink (435) so that a cavity structure is formed between the second metal heat sink (435) and the battery box (42) to maintain gas circulation.

9. The multi-energy storage container suitable for field power supply according to claim 3 is characterized in that: The first heating and cooling sheet (431) and the second heating and cooling sheet (437) are both composed of a plurality of graphene heating sheets and semiconductor cooling sheets that are spaced and evenly arranged, and the graphene heating sheets and the semiconductor cooling sheets are arranged alternately.

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