WO2022154211A1

WO2022154211A1 - Storage box for loading battery cells

Info

Publication number: WO2022154211A1
Application number: PCT/KR2021/012458
Authority: WO
Inventors: 김종우; 임진아
Original assignee: 퍼스트 유한회사
Priority date: 2021-01-15
Filing date: 2021-09-14
Publication date: 2022-07-21
Also published as: KR102289714B1; KR102289714B9

Abstract

The present invention relates to a storage box used to load a plurality of battery cells that supply electric power to an electric propulsion vessel, the storage box having the shape of a container that is configured so as to make it possible to rapidly cope with fires that occur in the battery cells. The storage box for loading battery cells according to the present invention is characterized by comprising: a storage box in the shape of a container having a door on a side surface, one or more inlets in the upper portion, and one or more outlets in the lower portion; one or more shelf parts provided inside the storage box to store a plurality of the battery cells; a terminal block which is installed together with the one or more shelf parts and includes a plurality of terminals each connected to one of the battery cells; one or more fire detectors installed inside the storage box and detecting fires that occur inside the storage box; spray parts which are connected to the outside via the inlets and respectively installed above the one or more shelf parts, and spray fire extinguishing water downward when fires occur; and a control unit for controlling the operation of the spray parts in response to signals of the fire detectors.

Description

Battery cell loading box

The present invention relates to a loading box used for the purpose of mounting battery cells, and more particularly, it is used for the purpose of mounting a plurality of battery cells for supplying power to an electric propulsion vessel, and is used to quickly respond to a fire occurring in the battery cells. It relates to a container-shaped loading box configured to be able to respond.

In general, cheap bunker C oil is used for the operation of large ships. In particular, bunker C oil used for ships contains a greater amount of sulfur than general bunker C oil. cause environmental pollution.

Therefore, in recent years, strong laws for regulating the amount of soot generated from ships or the concentration of soot are being announced worldwide. The development of propulsion ships is accelerating.

On the other hand, such an electric propulsion vessel should be provided with a space in which a plurality of battery cells can be safely mounted for supply of electric energy. Inventions such as “a battery system for ships and a method for operating the same” of Korean Patent Publication No. 10-2007666 have been proposed and published.

First, the “battery and ship including the same” of Korean Patent Laid-Open No. 10-2016-0121107 includes one or more charging cells disposed therein and a plurality of exposed electrodes in the shape of a long rod connected to the charging cells. Thus, an invention related to a container-type large-capacity battery that can be used to supply power to ships has been proposed.

In addition, in the "Ship battery system and its operating method" of the Republic of Korea Patent Publication No. 10-2007666, a battery cell in which an abnormality has occurred among a plurality of battery cells is detected and the detected battery cell is electrically removed from the battery rack. An invention related to a system that is configured to stop using the battery system when the total voltage of the battery system does not meet the required voltage, enabling safe operation even when an abnormality occurs in any one of a plurality of battery cells, has been proposed.

However, the conventional inventions as described above only suggest a method for the stable operation of a plurality of battery cells used for supplying power to a ship or a system including the plurality of battery cells, and mounting a plurality of battery cells And it does not suggest a specific structure inside the container used for the purpose of operation or a quick and effective countermeasure against a battery cell fire that may occur therein.

In this regard, the “Fire Suppression System for Ships” of Korean Patent Publication No. 10-1291173 and the “Mobile Fire Suppression Fire Extinguisher for Ships” of Korean Patent Publication No. 10-2088679 include systems or Inventions related to devices and the like have been proposed and disclosed, but these prior inventions also have a problem that cannot be said to be an appropriate countermeasure for a battery cell fire, which is different from a general fire.

Therefore, in order to solve all of the above problems, the specific structure inside the container used for the purpose of mounting and operating a plurality of battery cells supplying electric power to the electric propulsion vessel is presented, and the battery cell fire occurring therein is presented. It can be said that there is a need for an invention related to a device configured to respond quickly and effectively to

The battery cell loading box according to the present invention is a technology proposed to solve the above problems,

Conventional inventions only suggest a method for the stable operation of a plurality of battery cells used for supplying power to a ship or a system including the plurality of battery cells, and for mounting and operating a plurality of battery cells. Since there was a problem that there was a problem that it was not possible to present a specific structure inside a container used for a purpose or a quick and effective countermeasure for a battery cell fire that may occur therein, the purpose of this is to suggest a solution.

The present invention is to realize the above object,

A container-shaped loading box that is provided with an entrance on the side, one or more inlets are formed on the upper portion, and one or more outlets are also formed on the lower portion; One or more shelf units for storing a plurality of battery cells in the inside of the loading box; a terminal block comprising a plurality of terminals to which battery cells are connected one by one and installed between the pair of shelf units; one or more fire detectors installed inside the loading box to detect a fire occurring therein; a spraying unit installed above each of the pair of shelf units in a form connected to the outside through the inlet to spray fire extinguishing water downward in case of fire; and a control unit controlling the operation of the spraying unit according to the signal of the fire detector. It provides a loading box for mounting battery cells, characterized in that it comprises a.

A loading box for mounting a battery cell according to the present invention,

By suggesting a specific structure such as installing a pair of shelf units in the form of a two-row horizontal strip inside a container-shaped loading box, installing a terminal block between the pair of shelf units, and installing a spraying unit above each shelf unit, many It enables the effective configuration of the internal structure of the container used for the purpose of mounting and operating the battery cell of the battery cell, and at the same time, it has the effect of quickly and effectively responding to a battery cell fire that may occur therein.

Figures 1a and 1b is an external perspective view of a loading box for mounting a battery cell according to the present invention.

Figure 2a is an internal configuration diagram showing the internal structure of the loading box in a state in which the tray is not mounted on the shelf.

Figure 2b is an internal configuration diagram showing the internal structure of the loading box in a state in which the tray is mounted on the shelf.

Figure 3 is a perspective view showing the tray.

Figure 4 is an exemplary view showing the air flow inside the loading box.

Figures 5a and 5b is a configuration diagram showing the operating configuration of the control unit according to the temperature inside the loading box.

Figure 6 is an internal configuration diagram showing a state in which the housing is added to the inside of the loading box.

A loading box for mounting a battery cell according to the present invention,

The side door 101 is provided, one or more inlet 102 is formed in the upper portion, the container-shaped loading box 100 in which one or more outlets 103 are also formed in the lower portion; One or more shelves 110 for storing a plurality of battery cells in the loading box (100); a terminal block 120 configured with a plurality of terminals to which battery cells are connected one by one and installed together with the one or more shelf units 110; One or more fire detectors 130 installed inside the loading box 100 to detect a fire occurring therein; a spraying unit 140 installed above each of the one or more shelf units 110 in a form connected to the outside through the inlet 102 to spray fire extinguishing water downward in case of fire; And, the control unit 150 for controlling the operation of the injection unit 140 according to the signal of the fire detector (130); It is characterized in that it comprises a.

The present invention relates to a loading box used for mounting a battery cell,

The side door 101 is provided, one or more inlet 102 is formed in the upper portion, the container-shaped loading box 100 in which one or more outlets 103 are also formed in the lower portion; One or more shelves 110 for storing a plurality of battery cells in the loading box (100); a terminal block 120 configured with a plurality of terminals to which battery cells are connected one by one and installed together with the one or more shelf units 110; One or more fire detectors 130 installed inside the loading box 100 to detect a fire occurring therein; a spraying unit 140 installed above each of the one or more shelf units 110 in a form connected to the outside through the inlet 102 to spray fire extinguishing water downward in case of fire; And, the control unit 150 for controlling the operation of the injection unit 140 according to the signal of the fire detector (130); It relates to a loading box for mounting a battery cell, characterized in that it comprises a.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, as shown in Figures 1a and 1b, the loading box 100 is provided with a door 101 on the side, at least one inlet 102 is formed at the top, and at least one outlet 103 is also formed at the bottom. As a container-shaped steel structure to be used, a power supply device including a plurality of battery cells is provided in a space formed therein.

That is, the loading box 100 is configured in a rectangular shape having a space inside the same as in the shape of a general container, and the effect of simplification of transport occurs in the same way as other containers by the characteristic of this shape.

Therefore, the loading box 100 may be transported in a state mounted on a vehicle or transported by a crane and installed in a designated position of the ship, and is a reserve in case of discharge of the battery cell due to a fire or a long voyage. More than one loading box 100 may be prepared on the ship.

In addition, since the inside temperature of the loading box 100 can easily rise or fall due to the characteristics of the material and heat generated from a plurality of battery cells, as shown in FIGS. 2A and 2B, the temperature therein A heating and cooling device 104 for maintaining constant must be provided, and one or more ventilation devices 106 for ventilation may be provided.

At this time, the heating and cooling device 104 is installed at a predetermined height on the inner surface of the other side part except for the side part provided with the door 101 among the side parts of the loading box 100 and extends toward the front part and the rear part, respectively. It is configured to discharge cold air or heat to the inside of the loading box 100 by using a pair of ducts 105 to be installed, and the ventilation device 106 is at least one each on the front and rear parts for ventilation efficiency. This may be provided.

That is, the rectangular shape of the loading box 100 is composed of a front and a rear having a relatively short width and both sides having a relatively long width with respect to the longitudinal direction, and is composed of a ceiling and a floor, the front and the rear will be referred to as a front portion and a rear portion, respectively, both sides will be referred to as a side portion, and the ceiling and the floor will be referred to as a ceiling portion and a floor portion, respectively.

In addition, as shown in FIG. 2A , the one or more shelf units 110 are products for shelf use, and are divided into a plurality of zones having the same width and height, and a plurality of layers are formed in each zone in a vertical direction. It may be configured in the form of a structure.

That is, a plurality of layers or compartments having the same size may be formed on the one or more shelf units 110 , and a tray 160 in which battery cells are embedded as shown in FIG. 2B is provided in the plurality of layers or compartments. By inserting and fastening one by one, each of a plurality of battery cells is stored in an independent form and can be used to supply power to an electric propulsion vessel.

At this time, as shown in FIG. 3, the tray 160 has a body 161 in the form of a box with one side open to store battery cells therein and a cover for closing the body 161 in a form that forms a flange. 162), and the flange of the tray 160 formed by the cover 162 is used for fixing to the shelf unit 110 .

In addition, a small ventilation fan 163 may be provided on one side of the cover 162 to dissipate heat generated by the battery cells inside the tray 160 to the outside, and the small ventilation fan ( 163) is the direction in which the terminal block 120 is installed in the center of the inside of the loading box 100 in the direction in which the internal heat is emitted.

Therefore, as shown in FIG. 4 , in the inside of the loading box 100 , the flow of cold or warm air discharged from the air conditioning unit 104 is either the front part of the loading box 100 or the one or more shelf parts 110 . It may be formed between one and between the rear part and the other shelf part 110, and the flow of warmth emitted from the tray 160 may be formed toward the center, and an upward flow according to the nature of the warmth may be formed. can be formed, and the flow to the front and rear side by the operation of the ventilation device 106 can be formed.

As described above, in the inside of the loading box 100 , the air circulation by the ventilation fan 163 of the tray 160 , the air conditioning device 104 , and the ventilation device 106 is actively formed so that the temperature inside There is an effect that can keep the battery constant, and an effect of discharging the dust introduced into the interior occurs, and as a result, an effect of stably maintaining the state of the battery cell occurs.

In addition, the terminal block 120 is a power supply device composed of a plurality of terminals that can be connected one by one to the battery cells stored in the one or more shelf units 110 , and as shown in FIGS. 2A and 2B , one or more In consideration of the most general form in which the shelf unit 110 can be disposed, that is, the shape of the two-row crossbar, it may be installed between the one or more shelf units 110 for optimization of the internal structure of the loading box 100 . , but is not necessarily limited thereto.

At this time, since all the battery cells stored in the one or more shelves 110 do not necessarily have to be able to be matched one-to-one with all the terminals provided in the terminal block 120 , the terminal block 120 has one or more shelves. The number of terminals to which the battery cells stored in the unit 110 can be connected may be provided, but the number of terminals to which only some battery cells can be connected may be provided.

In addition, the at least one fire detector 130 is a sensor-type device for detecting a fire that has occurred inside the loading box 100 in a state provided on the upper side, etc., and necessarily includes a temperature sensor for measuring the temperature. , may be configured to additionally include a smoke sensor for detecting smoke.

Accordingly, the fire detector 130 generates an alarm signal to notify the occurrence of a fire when the internal temperature of the loading box 100 reaches a preset specific temperature or rapidly rises above the preset range within a short time. , when a smoke sensor is provided, a significant amount of smoke generated inside the loading box 100 can be additionally used to detect a fire.

In addition, the injection unit 140 is a fire-fighting device for suppressing a fire occurring in the battery cell, and as shown in FIGS. 2A and 2B , in a state installed above each of the one or more shelf units 110 , it moves downward in case of fire. It is configured to spray fire extinguishing water.

Specifically, the injection unit 140 has a plurality of injection ports installed above each of the one or more shelf units 110 , and some of the inlets are installed in the ceiling, which is the upper part of the loading box 100 , and the other part is formed in the ceiling. It is installed in the form of advancing to the outside through 102 and may be configured to include a supply line and a supply pump for supplying fire extinguishing water toward a plurality of injection ports, The fire in the battery cell can be extinguished by spraying.

At this time, the fire extinguishing water supplied to the injection unit 140 may be seawater or fresh water around the electric propulsion vessel, depending on the place where the electric propulsion vessel operates, may be stored water stored in the electric propulsion vessel, and the stored water Sodium bicarbonate powder or monobasic ammonium phosphate powder effective for suppression of electric fires may be added.

In addition, a level sensor for detecting the level of fire extinguishing water introduced into the loading box 100 is installed at a predetermined height inside the loading box 100 so that the supply amount of fire fighting water by the spraying unit 140 can be adjusted. do.

On the other hand, the fire extinguishing water injected into the loading box 100 for suppression of a fire occurring in the battery cell is configured to be discharged to the outside through one or more outlets 103 formed in the lower part of the loading box 100, but the discharge port ( 103) is configured to occur after extinguishing the fire that occurred in the battery cell is completed.

That is, in the case of a general fire, the fire extinguishing water sprayed into the loading box 100 may be immediately discharged to the outside. The outlet 103 is configured to be opened and closed by a valve so that the inside of the loading box 100 can be maintained in a state submerged by fire water, and a solenoid valve for automatic opening and closing can be used as the type of the valve. .

In addition, as shown in FIG. 4 , a plurality of powder type fire extinguishers 107 configured to automatically spray extinguishing powder toward the shelf unit 110 in case of a fire may be provided on the upper side of the loading box 100 . In addition, the spraying of fire extinguishing powder by the powder type fire extinguisher 107 is configured to precede the spraying of fire extinguishing water by the spraying unit 140 .

That is, in the case of a fire occurring in the battery cell, the fire suppression method with fire extinguishing water is more effective than the fire suppression method with fire extinguishing powder, but the battery cell submerged by the fire water cannot be used. The fire extinguishing powder is configured to be sprayed prior to the fire, so that damage to the battery cell that has not occurred in a fire can be minimized.

In addition, the control unit 150 is a control device for controlling the operation of the injection unit 140 in response to a battery cell fire that occurred inside the loading box 100, the loading box 100 to prevent damage from fire. It is the most desirable form to be installed outside the

Specifically, as shown in FIG. 5A , the controller 150 controls the temperature inside the loading box 100 measured by the fire detector 130 to reach a preset specific temperature or to rise rapidly above the preset range within a short time. When this occurs, the solenoid valve provided on one side of the supply line constituting the injection unit 140 and the supply pump provided on the outside of the loading box 100 are controlled to follow the supply line of the loading box 100 . It is possible to allow fire water to flow into the interior.

At this time, when one or more powder fire extinguishers 107 are provided in the loading box 100 , the control unit 150 controls the one or more powder fire extinguishers 107 prior to controlling the injection unit 140 . In the case where the temperature inside the loading box 100 does not drop despite the spraying of the fire extinguishing powder, the control is performed so that the spraying of the fire extinguishing water by the spraying unit 140 can occur immediately.

Thereafter, when a predetermined time has elapsed since the temperature inside the loading box 100 has dropped to a temperature within the normal range, the control unit 150 controls the solenoid valve related to the outlet 103 so that the extinguishing water is discharged to the outside. It can be discharged, and when the alarm signal by the fire detector 130 occurs again, the control of the powder type fire extinguisher 107 is omitted and the injection unit 140 is controlled and loaded inside the loading box 100 . to be able to extinguish the fire in

In addition, as shown in FIG. 5B , when the temperature inside the loading box 100 measured by the fire detector 130 gradually rises within a preset range, the control unit 150 controls the air conditioning unit 104 . can be controlled so that the temperature inside the loading box 100 is kept constant, and the inside of the loading box 100 can be ventilated by controlling the ventilation device 106 .

In addition, as shown in FIG. 6 , the one or more shelf parts 110 are respectively installed inside the loading box 100 , and the fire detector 130 and the powder type fire extinguisher 107 of the inner wall of the One or more housings 170 installed thereon may be provided, and a door 171 for opening and closing may be provided in each housing 170 .

At this time, the injection unit 140 may be configured to be individually controlled by one or more control valves, and the control unit 150 sequentially controls the powder fire extinguisher 107 and the injection unit 140 in case of a fire. Among the one or more housings 170 , fire extinguishing powder or fire extinguishing water may be sprayed only inside the housing 170 in which the fire is sensed.

With such a configuration, the present invention provides that the fire suppression by fire extinguishing powder or fire water occurs only inside the housing 170 in which the battery cell in which the fire has occurred is located, so that the battery cells inside the other housing 170 are protected. effect can be obtained.

On the other hand, the loading box 100 may be formed in various sizes as a whole, but is preferably standardized to the same size so that a space for installation in a ship can be secured in advance.

Specifically, the loading box 100 may be configured in a rectangular shape with a length of 6,300 mm, a width of 2,438 mm, and a height of 2700 mm measured from the outside, and the thickness of the front part and the rear part is 249 mm, respectively. The thickness of both side portions may be 100 mm, respectively, and the thickness of the upper and lower portions is 118 mm, respectively, and the length of the inner space is 5,802 mm, the width is 2,238 mm, and the height is 2,464 mm. can be

At this time, the door 101 provided on one side of the loading box 100 is composed of a pair of entities having a length of 1,500 mm or more, and can open and close the loading box 100 in a slide manner, and the loading box 100 The upper inlet 102 may have a diameter of 70 mm, and the lower outlet 103 may have a diameter of 100 mm.

In addition, the one or more shelf units 110 may have a total length of 1,990 mm, a width of 840 mm, and a height of 2,240 mm, and the terminal block 120 may have a length of 1,000 mm, a width of 800 mm, and a height. may be configured to be 2,000 mm, and the insertion hole into which the tray 160 is inserted and fastened to each of the one or more shelf units 110 may have a horizontal length of 530 mm and a vertical length of 180 mm.

In this case, the tray 160 may have a length of the main body 161 of 788 mm, a width of 530 mm, and a height of 160 mm or less, and the horizontal length of the cover 162 is 610 mm and a vertical length of 160 mm. Hereinafter, the thickness may be configured to be 2 mm.

In addition, the distance at which the one or more shelf parts 110 are spaced apart from the front part or the rear part of the loading box 100 may be configured to be 525 mm, respectively, and the distance between the one or more shelf parts 110 and the terminal block 120 is each It may be composed of 1,132 mm.

The embodiments introduced above are provided as examples so that the technical idea of the present invention can be sufficiently conveyed to those of ordinary skill in the art to which the present invention belongs, and the present invention is based on the embodiments described above. It is not limited and may be embodied in other forms.

In order to clearly explain the present invention, parts irrelevant to the description are omitted from the drawings, and in the drawings, the width, length, thickness, etc. of components may be exaggerated or reduced for convenience.

Also, like reference numbers refer to like elements throughout.

The battery cell loading box according to the present invention allows to effectively configure the internal structure of a container used for the purpose of mounting and operating a plurality of battery cells, and at the same time, quickly and effectively against a battery cell fire that may occur therein. There is an effect that allows for a response, so the industrial applicability is sufficient.

Claims

The side door 101 is provided, one or more inlet 102 is formed in the upper portion, the container-shaped loading box 100 in which one or more outlets 103 are also formed in the lower portion;

One or more shelves 110 for storing a plurality of battery cells in the loading box (100);

a terminal block 120 configured with a plurality of terminals to which battery cells are connected one by one and installed together with the one or more shelf units 110;

One or more fire detectors 130 installed inside the loading box 100 to detect a fire occurring therein;

a spraying unit 140 installed above each of the one or more shelf units 110 in a form connected to the outside through the inlet 102 to spray fire extinguishing water downward in case of fire; and,

a control unit 150 for controlling the operation of the injection unit 140 according to a signal from the fire detector 130; A loading box for battery cell mounting, characterized in that it comprises a.
According to claim 1,

Inside the loading box 100,

Installed at a certain height on the inner side,

A loading box for battery cell mounting, characterized in that it is provided with a cooling/heating device 104 for discharging cold or warm air using a pair of ducts 105 installed in a form extending toward the front and rear of the loading box 100, respectively. .
According to claim 1,

The one or more shelf parts 110,

It is divided into a plurality of zones having the same width and height, and is configured in a form in which a plurality of layers are formed in a vertical direction for each zone, and a tray 160 in which a battery cell is embedded is inserted and fastened one by one in each layer, ,

The tray 160,

The body 161 in the form of a box with one side open to store the battery cells therein, and a small ventilation fan 163 on one side are provided, and a cover 162 for closing the body 161 in the form of a flange. ) for loading battery cells, characterized in that consisting of.
According to claim 1,

On the upper side of the loading box 100,

It is characterized in that a plurality of powder type fire extinguishers 107 configured to automatically spray extinguishing powder toward the shelf unit 110 in case of a fire are provided,

The control unit 150,

Battery cell loading box, characterized in that it is configured to try to extinguish a fire by sequentially controlling the plurality of powder fire extinguishers (107) and the injection unit (140) in case of a fire.
According to claim 1,

one or more housings 170 installed in the form of inserting each of the one or more shelf parts 110, and in which the fire detector 130 and the powder type fire extinguisher 107 are installed on the upper part of the inner wall; Consists of further comprising,

The control unit 150 sequentially controls the powder type fire extinguisher 107 and the injection unit 140 configured to be individually controlled by one or more control valves in case of a fire, so that only the inside of the housing 170 where the fire is detected A loading box for battery cells, characterized in that fire extinguishing powder or fire extinguishing water can be sprayed.