CN219591543U - Safety structure of energy storage container - Google Patents

Abstract

The utility model provides a safety structure of an energy storage container, which relates to the field of new energy equipment, and comprises the following components: the side wall of the box body is provided with a first vent hole; the battery cluster is arranged in the box body, a second ventilation hole is formed in the battery cluster, and the position of the second ventilation hole corresponds to that of the first ventilation hole; the fan is arranged at the first vent hole, and can accelerate air circulation between the first vent hole and the second vent hole. Meanwhile, the damage to the whole environment caused by the safety accidents of the container is reduced, and the safety accidents in the container can be caused to be in a controllable range under the condition that the fire-fighting measures are invalid.

Description

Safety structure of energy storage container

Technical Field

The utility model relates to the field of new energy equipment, in particular to a safety structure of an energy storage container.

Background

At present, in the field of new energy, the energy storage container is widely used due to high integration level and convenient use and installation, but the safety accidents of the energy storage container in the use process are also endless. In particular, the thermal runaway of the individual battery cells inside the container may endanger all battery cells in the container in case of failure of the individual battery cell fire control measures. Once a security incident endangering the whole container occurs, the whole external environment is extremely harmful and there is a significant property loss, and the consequences are quite serious, for example, the patent with the application number CN202223144383.9 discloses an energy storage container which lacks protection against thermal runaway of the energy storage container, and the whole energy storage container is affected once the thermal runaway occurs.

Disclosure of Invention

The utility model aims to provide a safety structure of an energy storage container, which enhances the safety protection of thermal runaway of an energy storage battery.

In order to achieve the above object, the present utility model provides the following technical solutions: a security structure for an energy storage container, comprising: the side wall of the box body is provided with a first vent hole; the battery cluster is arranged in the box body, a second ventilation hole is formed in the battery cluster, and the position of the second ventilation hole corresponds to that of the first ventilation hole; the fan is arranged at the first ventilation hole and can accelerate air circulation between the first ventilation hole and the second ventilation hole.

Further, the battery cluster comprises a support and a battery box, the battery box is arranged on the support, the second ventilation holes are formed in the support, and the positions of the battery box correspond to the positions of the second ventilation holes.

Further, the support includes curb plate and a plurality of extension board, a plurality of the one end of extension board all connect in on the curb plate, every all be equipped with on the curb plate the battery case, correspond every on the curb plate battery case department all is equipped with the second ventilation hole.

Further, a plurality of moving wheels are arranged at the bottom end of the lowest support plate, and the moving wheels are symmetrically arranged.

Further, the battery pack comprises a plurality of rotary gates, the rotary gates are sequentially arranged in the box body, the rotary gates are parallel to each other, and the battery pack is arranged between the adjacent rotary gates.

Further, the device comprises a protection device, the protection device comprises a hydrogen sensor and a carbon monoxide sensor, the hydrogen sensor and the carbon monoxide sensor are arranged in the box body, and the hydrogen sensor and the carbon monoxide sensor can monitor the concentration of hydrogen and the concentration of carbon monoxide in the box body.

Further, the protection device further comprises a temperature sensor, wherein the temperature sensor is arranged in the box body, and the temperature sensor can monitor the temperature in the box body.

Further, the container control system also comprises a container control unit, wherein the container control unit is arranged in the container body; the control unit is connected with the fan, the hydrogen sensor and the carbon monoxide sensor, the container control unit can adjust the working frequencies of the hydrogen sensor and the carbon monoxide sensor according to the monitoring data of the hydrogen sensor and the carbon monoxide sensor, and the container control unit can also control the working state of the fan according to the monitoring data of the hydrogen sensor and the carbon monoxide sensor.

Further, the container control unit is connected with the rotary gate and the battery cluster, the container control unit can control the working state of the rotary gate, and the container control unit can control the connection state between the battery cluster and the electric equipment.

Further, the device also comprises an alarm device, wherein the alarm device is connected with the container control unit, and the container control unit can change the working state of the alarm device according to the monitoring data of the hydrogen sensor and the carbon monoxide sensor.

Analysis shows that the utility model discloses a safety structure of an energy storage container, which effectively protects a battery and reduces the possibility of thermal runaway of the battery. Meanwhile, the damage to the whole environment caused by the safety accidents of the container is reduced, and the safety accidents in the container can be controlled within a controllable range under the condition that the fire-fighting measures are invalid, so that the whole container is not out of control at the same time. The utility model can prevent the whole container from simultaneously generating safety accidents to cause property loss, the property loss is controlled within a certain range, the battery boxes except the prevention and control areas cannot be scrapped due to the safety accidents, and the property loss is controllable. The whole container is convenient to install and maintain, and the problem of space limitation in installing and debugging the battery box in the container is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Wherein:

FIG. 1 is a schematic front view of an embodiment of the present utility model.

Fig. 2 is a schematic rear view of the structure of an embodiment of the present utility model.

Fig. 3 is a schematic diagram showing the structure of a battery pack according to an embodiment of the present utility model.

Fig. 4 is a schematic structural side view of a battery pack according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a battery pack according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a case; 2. a bracket; 3. a battery box; 4. a first vent; 5. a second vent hole; 6. a fan; 7. a rotary gate; 8. a control unit; 9. and (5) moving the wheel.

Detailed Description

The utility model will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the utility model and not limitation of the utility model. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present utility model without departing from the scope or spirit of the utility model. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present utility model encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.

In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled," "connected," and "configured" as used herein are to be construed broadly and may be, for example, fixedly connected or detachably connected; can be directly connected or indirectly connected through an intermediate component; either a wired electrical connection, a radio connection or a wireless communication signal connection, the specific meaning of which terms will be understood by those of ordinary skill in the art as the case may be.

One or more examples of the utility model are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the utility model. As used herein, the terms "first," "second," "third," and "fourth," etc. are used interchangeably to distinguish one component from another and are not intended to represent the location or importance of the individual components.

As shown in fig. 1-2, according to an embodiment of the present utility model, there is provided a security structure of an energy storage container, including: the battery pack is arranged in the box body 1, one side surface of the box body 1 is provided with an opening structure, the battery pack can be fed into the box body 1 through the opening structure, in general, the opening structure is arranged on one side opposite to the first ventilation opening, the battery pack is provided with a second ventilation hole 5, and the position of the second ventilation hole 5 corresponds to that of the first ventilation hole 4; the fan 6, fan 6 locates first ventilation hole 4 department, and the quantity of fan 6 is the same with the quantity of battery cluster, and every fan 6 all corresponds a battery cluster, and fan 6 can accelerate the circulation of air between first ventilation hole 4 and the second ventilation hole 5, consequently every battery cluster homoenergetic enough dispel the heat in box 1, and when the thermal runaway appears in the battery cluster, fan 6 can accelerate the circulation of air, reduces the probability that the battery cluster catches fire out of control.

Preferably, as shown in fig. 3-5, the battery cluster includes a bracket 2 and a battery box 3, the battery box 3 is arranged on the bracket 2, the second ventilation holes 5 are arranged on the bracket 2, the positions of the battery boxes 3 correspond to the positions of the second ventilation holes 5, each bracket 2 and the battery box 3 on the bracket 2 are used as one battery cluster in a container, before use, the battery box 3 can be mounted on the bracket 2, whether each connecting part is firm and reliable is checked, all wire harnesses are connected, and the mounting of the battery box 3 is completed, the bracket 2 includes a side plate and a plurality of support plates, one ends of the support plates are connected to the side plate, each side plate is provided with the battery box 3, the second ventilation holes 5 corresponding to each battery box 3 are arranged on the side plate, the second ventilation holes 5 for smoke extraction and heat extraction are arranged at the corresponding positions on the bracket 2, and the battery boxes 3 can be simultaneously mounted through the bracket 2, and each battery box 3 is provided with the second ventilation holes 5 corresponding to the battery boxes 3, so that the heat dissipation of each battery box 3 can be normally carried out.

Preferably, the bottom of the support plate at the lowest is provided with a plurality of movable wheels 9, the movable wheels 9 are symmetrically arranged, the installed support 2 can be installed inside a container through the movable wheels 9, the battery box 3 is pushed to a designated position by using the movable wheels 9 to fix the support 2 through the locking device, and the movable wheels 9 greatly improve the flexibility of the support 2, so that the replacement and transportation of workers are facilitated.

Preferably, the solar cell module further comprises a plurality of rotary gates 7, the rotary gates 7 are sequentially arranged in the box body 1, the rotary gates 7 are parallel to each other, the cell clusters are arranged between the adjacent rotary gates 7, the rotary gates 7 are simultaneously connected with the upper wall of the box body 1 and the side wall provided with the first ventilation hole 4, the rotary gates 7 can extend downwards to separate the cell clusters when being started, and the cell clusters are located in independent spaces formed by the two rotary gates 7 at the moment, so that a single cell cluster cannot influence nearby cell clusters when in thermal runaway.

Preferably, the device further comprises a protection device, the protection device comprises a hydrogen sensor and a carbon monoxide sensor, the hydrogen sensor and the carbon monoxide sensor are arranged in the box body 1, the hydrogen sensor and the carbon monoxide sensor can monitor the hydrogen concentration and the carbon monoxide concentration in the box body 1, the carbon monoxide concentration and the hydrogen concentration are important indicators of thermal runaway of the battery, and therefore, whether the battery cluster is in the thermal runaway state can be judged by detecting the concentrations of the two.

Preferably, the protection device further comprises a temperature sensor provided in the case 1, the temperature sensor being capable of monitoring the temperature in the case 1, the temperature being one of the important indicators of thermal runaway of the battery, so that the temperature of the battery cluster can be detected by the temperature sensor.

Preferably, the container control device also comprises a container control unit 8, wherein the container control unit 8 is arranged in the box body 1; the control unit 8 is connected with the fan 6, the hydrogen sensor and the carbon monoxide sensor, the container control unit 8 can adjust the working frequency of the hydrogen sensor and the carbon monoxide sensor according to the monitoring data of the hydrogen sensor and the carbon monoxide sensor, the container control unit 8 can also control the working state of the fan 6 according to the monitoring data of the hydrogen sensor and the carbon monoxide sensor, the rotary gate 7 plays roles of fire prevention and heat insulation, the fan 6, the rotary gate 7 and the like are installed inside the container, the rotary gate 7 is installed at the position between the battery clusters and the battery clusters, the battery clusters in the container can be well isolated when the rotary gate 7 is opened, and the aim that other battery clusters can not be endangered by single-cluster safety accidents is achieved. The fans 6 are fastened to the reserved openings in the back of the container using fixing bolts to control the smoke and heat of the battery boxes 3 in each battery cluster.

Preferably, the container control unit 8 is connected with the rotary gate 7 and the battery cluster, the container control unit 8 can control the working state of the rotary gate 7, the container control unit 8 can control the connection state between the battery cluster and the electric equipment, the rotary gate 7 can be a conventional fireproof heat-insulating rotary gate 7, the rotary gate 7 is controlled to be in a working state by the container control unit 8 under the normal condition, but can also be started manually, and when fire-fighting alarm is not started, the rotary gate 7 can be manually electrified to operate in order to verify the quality of the rotary gate 7.

Preferably, the system further comprises an alarm device, wherein the alarm device is connected with the container control unit 8, and the container control unit 8 can change the working state of the alarm device according to the monitoring data of the hydrogen sensor and the carbon monoxide sensor.

The operation logic of the safety structure is as follows: when the control unit 8 detects that a safety accident occurs in the single battery box 3, reading the readings of the hydrogen sensor and the carbon monoxide sensor, and when the hydrogen concentration is more than or equal to 150ppm or the carbon monoxide concentration is more than or equal to 150ppm, starting a first-level alarm by a protection device, wherein the protection device improves the sampling frequency of the hydrogen sensor and the carbon monoxide sensor so as to know the concentration change in real time; when the hydrogen concentration is more than or equal to 200ppm or the carbon monoxide concentration is more than or equal to 200ppm, the protection device starts secondary alarm, the alarm device sends out audible and visual alarm warning, meanwhile, a fan 6 behind a battery cluster with safety alarm is started, the emission of toxic, harmful and flammable and explosive gas is enhanced, an alarm signal is sent to the protection unit and an external receiving device, and the linkage protection unit reduces the working power of the whole energy storage container; when the hydrogen concentration is more than or equal to 500ppm or the carbon monoxide concentration is more than or equal to 500ppm and the temperature is more than or equal to 50 ℃, the protection device starts three-level alarm, the protection device sends out audible and visual alarm warning, and meanwhile, the protection unit sends three-level alarm information to the external receiving device. The fire-proof heat-insulation rotary gate 7 falls down completely, cuts off all high-voltage parts connected to the battery boxes 3, enables the battery boxes 3 in all battery clusters to be powered down, sprays fire-fighting inhibitors to the single battery box 3 with safety accidents, sends all signals started by the protection device to an external receiving unit, and isolates the safety accidents at the minimum unit until potential safety hazards are eliminated. After which the opening of the rotary lock door 7 must be controlled for a background operation.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: the design of the rotary gate 7 reduces the damage to the whole external environment caused by safety accidents occurring in the whole container. The utility model can ensure that the safety accident in the container occurs in a controllable range under the condition that the fire-fighting measures are invalid, and the whole container is not out of control at the same time. The utility model can prevent the whole container from simultaneously generating safety accidents to cause property loss, the property loss is controlled within a certain range, the battery box 3 except the prevention and control area is not scrapped due to the safety accidents, and the property loss is controllable. The whole container is convenient to install and maintain, the battery clusters can be integrally placed into the container after being assembled and integrated outside the container, the operation is simple, and the problem of space limitation in installing and debugging the battery box 3 in the container is solved.

Compared with the prior art, the design of the rotary gate between the battery clusters in the container can effectively prevent the safety accidents in the single battery cluster from affecting other battery clusters, and the safety accidents are controlled in the closed single battery cluster. Unlike traditional battery boxes which are placed in containers one by one, the support can be convenient for early installation and later maintenance. After the battery box is installed and maintained outside the container, the whole device can be directly placed into the container. Meanwhile, when the battery box in the container has a safety accident, the battery cluster without the safety accident can be conveniently moved, and the property loss is saved. The utility model installs a set of exhaust and smoke exhaust system at the corresponding container position at the rear of each battery cluster, when the thermal runaway occurs in the corresponding battery cluster, the fan is started to take away the harmful gas and heat in the battery cluster. The safety management design logic of the whole container can effectively cope with the management capability of the container for safety accidents.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A security feature for an energy storage container, comprising:

the side wall of the box body is provided with a first vent hole;

the battery cluster is arranged in the box body, a second ventilation hole is formed in the battery cluster, and the position of the second ventilation hole corresponds to that of the first ventilation hole;

the fan is arranged at the first ventilation hole and can accelerate air circulation between the first ventilation hole and the second ventilation hole.

2. The security feature of claim 1 wherein said battery cluster comprises a bracket and a battery box, said battery box is disposed on said bracket, said second vent is disposed on said bracket, and the location of said battery box corresponds to the location of said second vent.

3. The energy storage container safety structure according to claim 2, wherein the bracket comprises a side plate and a plurality of support plates, one ends of the support plates are connected to the side plate, each of the side plates is provided with a battery box, and a second ventilation hole is formed in the side plate corresponding to each battery box.

4. A safety structure of an energy storage container according to claim 3, wherein a plurality of moving wheels are provided at the bottom end of the lowermost support plate, and a plurality of the moving wheels are symmetrically arranged.

5. The structure of claim 1, further comprising a plurality of rotary gates, a plurality of said rotary gates being disposed sequentially within said housing, said rotary gates being parallel to each other, said battery clusters being disposed between adjacent ones of said rotary gates.

6. The energy storage container security feature of claim 5 further comprising a protection device comprising a hydrogen sensor and a carbon monoxide sensor, both disposed within the container, the hydrogen sensor and the carbon monoxide sensor being capable of monitoring the concentration of hydrogen and carbon monoxide within the container.

7. The energy storage container security feature of claim 6 wherein said protection means further comprises a temperature sensor disposed within said housing, said temperature sensor being capable of monitoring the temperature within said housing.

8. The energy storage container security structure of claim 7, further comprising a container control unit disposed within said container body;

the control unit is connected with the fan, the hydrogen sensor and the carbon monoxide sensor, the container control unit can adjust the working frequencies of the hydrogen sensor and the carbon monoxide sensor according to the monitoring data of the hydrogen sensor and the carbon monoxide sensor, and the container control unit can also control the working state of the fan according to the monitoring data of the hydrogen sensor and the carbon monoxide sensor.

9. The energy storage container safety structure according to claim 8, wherein the container control unit is connected with the rotary gate and the battery cluster, the container control unit can control the working state of the rotary gate, and the container control unit can control the connection state between the battery cluster and the electric equipment.

10. The energy storage container security architecture of claim 8, further comprising an alarm device coupled to the container control unit, wherein the container control unit is capable of changing the operating state of the alarm device based on the monitored data from the hydrogen sensor and the carbon monoxide sensor.