CN219208799U

CN219208799U - Fire control device and trade electric system

Info

Publication number: CN219208799U
Application number: CN202220450493.9U
Authority: CN
Inventors: 请求不公布姓名; 王霞
Original assignee: Contemporary Amperex Energy Service Technology Ltd
Current assignee: Contemporary Amperex Energy Service Technology Ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2023-06-20
Anticipated expiration: 2032-03-02
Also published as: WO2023165291A1

Abstract

The application provides a fire control unit and trade electric system. The fire fighting device is used for an electricity exchanging system and comprises a first bin and a second bin. The first compartment is for receiving a battery. The second storehouse is arranged in holding the fire control medium, and the second storehouse sets up with first storehouse relatively, and the second storehouse is arranged in when the battery takes place thermal runaway, release fire control medium to first storehouse to fire control the battery. In this application, first storehouse can be used for acceping battery monomer in batches, and the second storehouse can be used for acceping the fire control medium, and when acceping in the battery in first storehouse when thermal runaway takes place, can let in first storehouse in the fire control medium that acceping in second storehouse through the mode of intercommunication first storehouse and second storehouse to take place the battery of thermal runaway to promote the security performance of trading the electric system.

Description

Fire control device and trade electric system

Technical Field

The application relates to the field of batteries, in particular to a fire fighting device and a power exchanging system.

Background

With the development of new energy technology, batteries are widely used for electric equipment, such as mobile phones, notebook computers, battery cars, electric automobiles, electric airplanes, electric ships, electric toy automobiles, electric toy ships, electric toy airplanes, electric tools and the like.

With the complexity of the application environment of the battery, the possibility that the battery is impacted, extruded and overheated is increased, so that the capacity of the battery and the endurance capacity of an electric device are affected, even thermal runaway occurs, and potential safety hazards are caused.

Disclosure of Invention

The application provides a fire control unit and trade electric system, it can inspect and eliminate the potential safety hazard of battery.

In a first aspect, the present application provides a fire protection apparatus for a power conversion system. The fire protection device comprises a first bin and a second bin. The first compartment is for receiving a battery. The second storehouse is arranged in holding the fire control medium, and the second storehouse sets up with first storehouse relatively, and the second storehouse is arranged in when the battery takes place thermal runaway, release fire control medium to first storehouse to fire control the battery.

In the above-mentioned scheme, first storehouse can be used for acceping the battery, and the second storehouse can be used for acceping the fire control medium. Simultaneously, set up second storehouse and first storehouse and set up relatively, when the battery of acceping in first storehouse takes place thermal runaway, can pass through the mode of intercommunication first storehouse and second storehouse, in letting in first storehouse with the fire control medium of acceping in the second storehouse, fire control to the battery of taking place thermal runaway to promote the security performance of trading the electric system.

In some embodiments, the first cartridge comprises a cartridge body and a cover assembly. Wherein the cartridge body comprises a first receiving cavity having a first opening; the cover plate component is movably connected with the bin body, so that the cover plate component covers the first opening or opens the first opening.

In the scheme, the cover plate assembly is movably connected with the bin body, so that the first opening is covered and opened. In the stage of putting the battery, the first opening can be opened by a mode of the movable cover plate assembly so as to put the battery into the first accommodating cavity, and the battery is simple and efficient; after the battery is put into, the first opening can be covered by the movable cover plate assembly, so that the first accommodating cavity is sealed, the tightness of the first accommodating cavity is ensured, and the follow-up fire fighting is facilitated.

In some embodiments, the bin body includes a body portion and a guide rail disposed on the body portion, the body portion encloses the first accommodating cavity, and the guide rail is movably connected with the cover assembly. The cover plate component is used for being connected with the body part to expose the first opening, and the cover plate component is used for moving along the guide rail to cover the first opening.

In the above scheme, the cover plate assembly can move along the extending direction of the guide rail, and when the cover plate assembly moves to enable the first opening to be exposed, the cover plate assembly can be temporarily fixed by connecting the cover plate assembly with the body part, so that the first opening is ensured to be in an exposed state stably, and the battery can be conveniently put in; similarly, when the battery is put in, the connection between the cover plate assembly and the body part can be released, and the cover plate assembly can be moved along the guide rail to cover the first opening.

In some embodiments, the first compartment includes a receptacle for receiving the battery, a bottom surface of the receptacle being inclined toward a vertical direction with respect to a transport direction of the battery so that the battery can move along the bottom surface under its own weight.

In the above scheme, the bottom surface of the accommodating body is provided with an inclined plane, and when the battery is placed on the inclined plane, the battery can slide along the inclined plane, so that the battery can conveniently enter the first bin.

In some embodiments, the first cartridge comprises a smoke alarm unit for acquiring and transmitting smoke data; the fire control device comprises a control unit electrically connected with the smoke alarm unit and the second bin, and the control unit is used for controlling the second bin to release fire control media when the received smoke data meets the preset data requirements.

In the scheme, the smoke alarm unit is arranged in the first bin, and the control unit is respectively and electrically connected with the smoke alarm unit and the second bin. Utilize smog alarm unit to monitor the smog data in the first storehouse to utilize smog data to judge whether thermal runaway has appeared in the battery in the first storehouse, can effectively prevent that the battery that thermal runaway appears from causing bigger harm, the security performance is higher.

In some embodiments, the second cartridge comprises a cartridge body and a connector. The bin main body is enclosed to form a second accommodating cavity with a second opening, the second accommodating cavity is used for accommodating fire-fighting media, and the second opening faces the first bin; the connecting body is configured as a shared part of the first bin and the second bin, and is rotatably connected with the bin main body, so that the connecting body covers the second opening or opens the second opening.

In the scheme, the connecting body can cover and open the second opening, namely, the connecting body controls the communication and the cutting-off between the second accommodating cavity and the first bin, so that the fire fighting medium accommodated in the second accommodating cavity can be conveniently and rapidly introduced into the first bin, and the timeliness of fire fighting can be conveniently improved.

In some embodiments, the connector includes a first adapter and a second adapter rotatably coupled to the cartridge body, respectively, the first adapter and the second adapter being adapted to couple when the two are in proximity to each other and to co-cover the second opening, or to release the fire medium when the two are in proximity to each other.

In the above-mentioned scheme, first switching portion and second switching portion all rotate with the storehouse main part and are connected for first switching portion and second switching portion can reset the assembly through the rotation, have avoided the waste of connector material, have promoted fire control unit's economic value.

In some embodiments, the first adapter portion and the second adapter portion are configured to overlap each other, and the first adapter portion is located on a side of the second adapter portion facing away from the second receiving cavity; the second bin further comprises a driving assembly, the driving assembly comprises a driving mechanism, a first connecting portion and a second connecting portion, the first connecting portion is in driving connection with the driving mechanism, the second connecting portion is used for being connected with the first connecting portion, when the driving mechanism is used for driving the first connecting portion to deviate from the second connecting portion to move, the second connecting portion is separated from the first connecting portion, and therefore the second connecting portion, the first switching portion and the second switching portion are far away from each other.

In the above scheme, the driving mechanism can drive the first connecting part to move towards or away from the second connecting part so as to realize connection and disconnection of the first connecting part and the second connecting part; under the condition that actuating mechanism is used for driving first connecting portion to deviate from second connecting portion and remove, second connecting portion breaks away from first connecting portion, and at this moment, second connecting portion and first switching portion are kept away from each other as a whole with second switching portion, even make the second opening open, the fire control medium in the second holding chamber flows into in the first storehouse and carries out the fire control. Such a control is simple and efficient and easy to reassemble.

In some embodiments, the second bin is located vertically above the first bin.

In the scheme, the second bin is arranged on the upper portion of the first bin along the vertical direction, so that the fire-fighting medium in the second bin can rapidly flow into the first bin to fight fire under the action of gravity of the fire-fighting medium, other equipment for driving the fire-fighting medium is not required, and the equipment is simplified while the fire-fighting efficiency is ensured.

In some embodiments, the fire protection device further comprises a housing and a frame assembly disposed within the housing, the first and second bins disposed within the frame assembly.

In the above-mentioned scheme, the frame component is for constituteing the skeleton in first storehouse and second storehouse, sets up first storehouse and second storehouse in frame component, can effectually provide the support for first storehouse and second storehouse, has promoted the stability of structure.

In a second aspect, embodiments of the present application provide a power conversion system, which includes a battery compartment, a power conversion device, and a fire protection device provided by any embodiment of the first aspect. The battery compartment is used for storing batteries. The power exchanging device is arranged in the battery compartment and used for exchanging batteries of the power using device. The fire control device is arranged outside the battery compartment.

Drawings

Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a vehicle;

FIG. 2 is an exploded schematic view of a battery of the vehicle shown in FIG. 1;

fig. 3 is a schematic diagram of a power conversion system according to some embodiments of the present disclosure;

FIG. 4 is a schematic structural view of a fire protection device according to some embodiments of the present application;

FIG. 5 is a schematic view of a fire protection apparatus according to some embodiments of the present disclosure with a box removed;

FIG. 6 is a schematic illustration of a fire protection device provided in some embodiments of the present application with a housing and frame assembly removed;

FIG. 7 is a schematic block diagram of a fire protection apparatus provided in some embodiments of the present application;

FIG. 8 is a schematic view of a fire protection apparatus according to some embodiments of the present disclosure, wherein the second chamber is in a state;

FIG. 9 is an enlarged view of portion A of the fire apparatus shown in FIG. 8;

FIG. 10 is a schematic view of a second chamber of a fire protection device according to some embodiments of the present disclosure in another state;

fig. 11 is an enlarged view of a portion B of the fire fighting device shown in fig. 10.

Reference numerals in the specific embodiments are as follows:

1000. a power conversion system; 200. a vehicle; 210. a battery; 211. a housing; 211a, a first housing part; 211b, a second housing portion; 212. a battery cell; 220. a controller; 230 motor; 300. a power conversion platform; 400. a battery compartment; 410. a stacker; 500. a power conversion device; 600. an electric device;

100. a fire fighting device;

110. a first bin; 111. a bin body; 1111. a first accommodation chamber; 1112. a body portion; 1113. a guide rail; 112. a cover plate assembly; 113. a housing body; 114. a smoke alarm unit; 101. a first opening;

120. a second bin; 121. a cartridge body; 1211. a second accommodation chamber; 122. a connecting body; 1221. a first transfer section; 1222. a second switching part; 123. a drive assembly; 1231. a driving mechanism; 1232. a first connection portion; 1233. a second connecting portion; 102. a second opening;

130. a case; 131. a first enclosure; 132. a second enclosure;

140. a frame assembly; 141. a support column;

150. and a control unit.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

In the description of the present application, it should be understood that the terms "center," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

With the development of new energy technology, the devices using batteries are increased, and when the electric energy of electric equipment is exhausted, electric energy is usually supplemented by connecting charging equipment, for example, an electric vehicle can be charged by connecting a charging pile. Compared with the way of connecting charging equipment such as a charging pile and the like to supplement electric energy. Charging can take a long time, affecting the user experience.

The inventors have noted that replacement of the battery enables replenishing the electrical energy faster than charging. To this end, the inventors devised a power conversion system that can take down the battery of the power supply of the power consumer and replace the battery of sufficient power to rapidly supply the power consumer again with sufficient power.

However, the inventors found that, due to the complexity of the application environment of the battery, especially during the replacement of the battery, the possibility that the battery is impacted, squeezed, and overheated increases, and over time, the internal structure of the battery gradually changes, thereby affecting the capacity of the battery and the endurance of the electric device, and even causing thermal runaway, with a great potential safety hazard.

In view of this, this application embodiment provides a fire control unit, and it can be used for cooperating the battery compartment to use to probably there is the battery of thermal runaway to monitor in the battery compartment, and in time fire control when the battery takes place thermal runaway, effectively reduced the safety risk when thermal runaway takes place for the battery.

The fire fighting device and the power exchanging system using the fire fighting device can be used for replacing a battery of a vehicle, but are not limited to the battery of other electric equipment such as an electric toy, an electric tool, a battery car, an electric automobile, a ship, a spacecraft and the like. The vehicle can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extended vehicle; spacecraft including airplanes, rockets, space planes, spacecraft, and the like; the electric toy includes fixed or mobile electric toys, such as a game machine, an electric car toy, an electric ship toy, and an electric airplane toy; power tools include metal cutting power tools, grinding power tools, assembly power tools, and railroad power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete shakers, and electric planers, among others.

The following description will take electric equipment as an example of a vehicle.

Fig. 1 is a schematic structural view of a vehicle. As shown in fig. 1, the vehicle 200 is provided with a battery 210, and the battery 210 may be provided at the bottom or the head or the tail of the vehicle 200. The battery 210 may be used to power the vehicle 200, for example, the battery 210 may be used as an operating power source for the vehicle 200.

The vehicle 200 may also include a controller 220 and a motor 230, the controller 220 being configured to control the battery 210 to power the motor 230, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 200.

In some embodiments of the present application, the battery 210 may not only serve as an operating power source for the vehicle 200, but also as a driving power source for the vehicle 200, instead of or in part instead of fuel oil or natural gas, to provide driving power for the vehicle 200.

In some embodiments, the battery 210 may be snapped onto the chassis of the vehicle 200 via a snap-fit structure.

Fig. 2 is an exploded view of the battery of fig. 1. As shown in fig. 2, the battery 210 includes a housing 211 and a battery cell 212, and the battery cell 212 is accommodated in the housing 211.

The case 211 is for accommodating the battery cells 212, and the case 211 may have various structures. In some embodiments, the housing 211 may include a first housing portion 211a and a second housing portion 211b, the first housing portion 211a and the second housing portion 211b being mutually covered, the first housing portion 211a and the second housing portion 211b together defining an accommodating space for accommodating the battery cell 212. The second housing portion 211b may have a hollow structure with one end opened, the first housing portion 211a has a plate-like structure, and the first housing portion 211a is covered on the opening side of the second housing portion 211b to form a housing 211 having an accommodation space; the first housing portion 211a and the second housing portion 211b may each have a hollow structure with one side opened, and the opening side of the first housing portion 211a is covered with the opening side of the second housing portion 211b to form the housing 211 having the accommodation space. Of course, the first housing portion 211a and the second housing portion 211b may be of various shapes, such as a cylinder, a rectangular parallelepiped, or the like.

In order to improve the sealability after the first housing portion 211a and the second housing portion 211b are connected, a sealing material, such as a sealant, a gasket, or the like, may be provided between the first housing portion 211a and the second housing portion 211 b.

Assuming that the first housing portion 211a is covered on top of the second housing portion 211b, the first housing portion 211a may also be referred to as an upper case cover, and the second housing portion 211b may also be referred to as a lower housing 211.

In the battery 210, the number of the battery cells 212 may be one or more. If the plurality of battery cells 212 are plural, the plurality of battery cells 212 may be connected in series or parallel or a series-parallel connection, wherein a series-parallel connection refers to that the plurality of battery cells 212 are connected in series or parallel.

The plurality of battery cells 212 can be directly connected in series or in parallel or in series-parallel, and then the whole body formed by the plurality of battery cells 212 is accommodated in the housing 211; of course, a plurality of battery cells 212 may be connected in series or parallel or series-parallel to form a battery module, and then connected in series or parallel or series-parallel to form a whole and be accommodated in the housing 211.

Fig. 3 is a schematic diagram of a power conversion system according to some embodiments of the present application.

As shown in fig. 3, the power conversion system 1000 of the embodiment of the present application includes a power conversion platform 300, a battery compartment 400, and a power conversion device 500, where the power conversion platform 300 is used to support an electric device 600, the battery compartment 400 is used to store a battery 210 and charge the battery 210, and the power conversion device 500 is configured to be movable between the power conversion platform 300 and the battery compartment 400. The power conversion apparatus 500 may be used to replace the battery 210 of the powered device 600.

Illustratively, the power conversion system 1000 according to the embodiment of the present application may replace the battery 210 according to the following steps: i) after the electric equipment 600 enters the power conversion platform 300, the power conversion equipment 500 can move to the lower side of the electric equipment 600, and the battery 210 to be charged, which is out of electric energy, is detached from the electric equipment 600; II) the battery changing apparatus 500 transfers the detached battery 210 to be charged into the battery compartment 400 and receives the stored full-charged battery 210 in the battery compartment 400; III) the power conversion equipment 500 moves to the lower side of the electric equipment 600 with the full-charged battery 210, and installs the full-charged battery 210 on the electric equipment 600; iv) powered device 600 exits level shifter 300.

In some embodiments, the power conversion system 1000 further includes a rail (not shown) to which the power conversion device 500 is movably disposed. The rails are used to guide the movement of the battery changing device 500 so that the battery changing device 500 can move between the battery changing table 300 and the battery compartment 400. Illustratively, one end of the rail extends into the battery compartment 400 and the other end extends to the battery exchange station 300.

In some embodiments, a stacker 410 is disposed in the battery compartment 400, and the stacker 410 is configured to transfer the battery 210 to be charged detached from the battery changing device 500 to a charging position of the battery compartment 400 for charging, and place the full-charged battery 210 stored in the battery compartment 400 on the battery changing device 500.

In some embodiments, power conversion platform 300 includes a lifting mechanism for lifting powered device 600 so that power conversion device 500 moves to the underside of powered device 600.

In some embodiments, the power conversion system 1000 further includes a fire protection device for fire protection of the battery.

FIG. 4 is a schematic structural view of a fire protection device according to some embodiments of the present application; fig. 5 is a schematic structural view of a fire fighting device according to some embodiments of the present application with a case removed.

As shown in fig. 4 and 5, the fire protection device 100 of the embodiment of the present application includes a first bin 110 and a second bin 120. The fire protection device 100 is used for a power exchanging system. The first compartment 110 is used for accommodating the battery 210, the second compartment 120 is used for accommodating the fire-fighting medium, the second compartment 120 is arranged opposite to the first compartment 110, and the second compartment is used for releasing the fire-fighting medium into the first compartment 110 when the battery 210 is out of control in heat so as to fire the battery 210.

The fire fighting device 100 is used for a power exchanging system so as to monitor the battery 210, which may be out of control, and to rapidly fight fire when the vehicle exchanges the battery 210; and can fire the battery with thermal runaway risk stored in the battery compartment fast. Illustratively, the fire protection device 100 may be disposed within the battery compartment and proximate to the stacker.

The first compartment 110 is for housing a battery 210. The first compartment 110 may be used to house and support a battery 210 that may be subject to thermal runaway during fire protection. Within the first compartment 110, the first compartment 110 may directly support the battery 210, or may indirectly support the battery 210 through other members.

The first compartment 110 is specifically configured to house a battery 210 that may be subject to thermal runaway. The number of the batteries 210 accommodated in the first compartment 110 may be one or more.

The second compartment 120 is for containing fire fighting medium. The fire-fighting medium may be directly contained in the second chamber 120, or may be contained in another member, and then indirectly contained in the second chamber 120 through the member.

The fire-fighting medium may be solid fire-fighting medium such as sand, dry powder, dry ice, etc., liquid fire-fighting medium such as water, water mist, foam, etc., or gaseous fire-fighting medium such as carbon dioxide, hexafluoropropane, etc.

The second compartment 120 is disposed opposite the first compartment 110. The relative positions of the first and

second chambers

110, 120 may be adjusted according to the selected fire medium.

Illustratively, when the fire-fighting medium is a solid fire-fighting medium such as sand, the second bin 120 may be disposed vertically above the first bin 110 to facilitate rapid ingress of the fire-fighting medium into the first bin 110 during fire-fighting; when the fire-fighting medium is a fluid fire-fighting medium such as carbon dioxide or water, a driving device such as a fan or a pump may be disposed in the second chamber 120 to feed the fluid into the first chamber 110 for fire-fighting in order to increase the speed of the fluid entering the first chamber 110. At this time, the first bin 110 and the second bin 120 may be disposed at the same level.

Meanwhile, in order to make the fluid rapidly contact the battery in which thermal runaway occurs, in the above case, the first cartridge 110 may be disposed above the second cartridge 120 in the vertical direction.

The second bin 120 is used to release the fire-fighting medium into the first bin 110 to fire the battery 210 when thermal runaway of the battery 210 occurs. Wherein the release of the fire fighting medium, i.e. the communication of the first compartment 110 with the second compartment 120.

The fire-fighting medium may be released into the first compartment 110 under its own characteristics, such as weight, relative molecular mass, or may be released into the first compartment 110 under the driving of a driving device, such as a fan, pump, etc.

The fire-fighting medium can be used for fire-fighting the battery 210 in a mode of completely covering the battery 210 to isolate oxygen, such as sand completely covering the battery 210, so that the battery 210 is isolated from oxygen, and further thermal runaway is avoided; incomplete coverage, such as sublimation of dry ice to absorb heat, rapid lowering of the temperature within the first compartment 110, such that the battery 210 does not meet thermal runaway conditions, and the like, may also be employed.

In this embodiment, the first compartment 110 can house the battery 210 and the second compartment 120 can be used to house the fire medium. Meanwhile, the second bin 120 is arranged opposite to the first bin 110, when the battery accommodated in the first bin 110 is out of control, the fire-fighting medium accommodated in the second bin 120 can be introduced into the first bin 110 by communicating the first bin 110 with the second bin 120, and the battery 210 out of control is fire-protected, so that the safety performance of the power exchanging system 1000 is improved.

With continued reference to fig. 4 and 5, in some embodiments, the fire protection device 100 further includes a housing 130 and a frame assembly 140 disposed within the housing 130, wherein the first and

second compartments

110, 120 are disposed within the frame assembly 140.

The case 130 is an outer peripheral structure of the fire fighting device 100, and has a shape adapted to the first and

second chambers

110 and 120. The housing 130 includes a first enclosure 131 for enclosing the first compartment 110 and a second enclosure 132 for enclosing the second compartment 120.

In some embodiments, the first and

second enclosures

131 and 132 may be cubes, cuboids, cylinders, or the like.

In some embodiments, the first enclosure 131 and the second enclosure 132 may be separately disposed, fastened by bolts, or integrally formed.

The frame assembly 140 is an internal support structure of the fire protection device 100, and serves to support the first and

second enclosures

131 and 132.

For example, the frame assembly 140 may be formed by detachably connecting a plurality of support columns 141, and the shapes and lengths of the support columns 141 may be different, so that the frame assembly 140 may be formed into a square, rectangular or cylindrical shape, and the first enclosure 131 and the second enclosure 132 may be mounted outside the frame assembly 140 by detachably connecting.

With continued reference to fig. 4 and 5, in some embodiments, the second bin 120 is located vertically above the first bin 110.

In this embodiment, the second bin 120 is located at the upper portion of the first bin 110 along the vertical direction, so that the fire-fighting medium in the second bin 120 can quickly flow into the first bin 110 for fire-fighting under the action of its own gravity, and no other equipment for driving the fire-fighting medium is required, so that the fire-fighting efficiency is ensured and the equipment is simplified.

With continued reference to fig. 4 and 5, in some embodiments, the first cartridge 110 includes a cartridge body 111 and a cover assembly 112. Wherein the cartridge body 111 comprises a first receiving cavity 1111 having a first opening 101; the cover plate assembly 112 is movably connected with the bin body 111, so that the cover plate assembly 112 covers the first opening 101 or opens the first opening 101.

In some embodiments, the cartridge body 111 can be a stand-alone structure that is distinct from the first enclosure 131. That is, in the fire protection apparatus 100, the basic shape of the first bin 110 is first formed by the bin body 111, the frame assembly 140 is further provided outside thereof, and finally the first enclosure 131 having a shape adapted to the bin body 111 is provided, and the bin body 111 is supported by the first enclosure 131.

In some embodiments, the cartridge body 111 can also be formed directly from the first enclosure 131.

The first opening 101 is for connection with the outside, and the first receiving chamber 1111 is for receiving and supporting the put-in battery 210, which is an entrance of the battery 210 in which thermal runaway may occur.

In some embodiments, the first opening 101 may be disposed on either side of the cartridge body 111, which may be configured as appropriate. In this embodiment, the first opening 101 is formed on a side wall of the bin body 111.

In some embodiments, the opening shape of the first opening 101 may be square, rectangular, diamond, trapezoid, circle, oval, triangle, etc.

The cover plate assembly 112 is disposed near the first opening 101, and the cover plate assembly 112 is movably connected with the bin body 111 and is used for covering or opening the first opening 101.

In the present embodiment, in the stage of putting the battery 210, the first opening 101 may be exposed through the movable cover assembly 112, at this time, the first receiving chamber 1111 communicates with the outside, and the battery 210 may be put into the first receiving chamber 1111 through the first opening 101; in the fire-fighting stage after the battery 210 is put in, the first opening 101 can be covered by the removable cover assembly 112, and the first receiving chamber 1111 is isolated from the outside. On the one hand, the monitoring effect of the battery 210 in the first bin 110 can be ensured, and on the other hand, the damage to the outside caused by thermal runaway of the battery 210 can be avoided.

With continued reference to fig. 4 and 5, in some embodiments, the cartridge body 111 includes a body 1112 and a guide rail 1113 disposed on the body 1112, where the body 1112 encloses the first accommodating chamber 1111, and the guide rail 1113 is movably connected to the cover assembly 112. Wherein, the cover assembly 112 is used for being connected with the body portion 1112 to expose the first opening 101, and the cover assembly 112 is used for being moved along the guide rail 1113 to cover the first opening 101.

In some embodiments, the number of rails 1113 may be two, with both rails 1113 being disposed on a side wall of the body portion 1112 and disposed proximate to the first opening 101. In the present embodiment, two guide rails 1113 are provided on both sides of the first opening 101 in the horizontal direction in the vertical direction.

The cover assembly 112 is connected to the body 1112, and may be connected by a hook, a buckle, a magnetic attraction, or the like, so as to temporarily fix the cover assembly 112 and expose the first opening 101.

In this embodiment, the cover assembly 112 may move along the extending direction of the guide rail 1113, when the cover assembly 112 moves to expose the first opening 101, the cover assembly 112 may be temporarily fixed by connecting the cover assembly 112 with the body 1112, so as to ensure that the first opening 101 is stably exposed, and facilitate the placement of the battery 210; similarly, when all of the cells 210 are placed, the connection between the cover assembly 112 and the body portion 1112 may be released and the cover assembly 112 may be moved along the rails 1113 to cover the first opening 101.

Fig. 6 is a schematic view of a fire protection device according to some embodiments of the present application with a housing and frame assembly removed.

As shown in fig. 5 and 6, in some embodiments, the first compartment 110 includes a receiving body 113 for receiving the battery 210, and a bottom surface of the receiving body 113 is inclined toward a vertical direction with respect to a transport direction of the battery 210 so that the battery 210 can move along the bottom surface under its own weight.

The accommodating body 113 may be a box body with an opening at the top, and in the process of placing the battery 210 in the first bin 110, the battery 210 may be placed in the accommodating body 113 first, and then the accommodating body 113 with the battery 210 placed therein is placed in the first bin 110; the plurality of storage bodies 113 may be placed in the first compartment 110, and then the battery 210 may be placed in the storage bodies 113.

In this embodiment, a plurality of the accommodating bodies 113 may be provided, the plurality of the accommodating bodies 113 are used to accommodate the batteries, the accommodating bodies 113 are mutually independent, the plurality of the accommodating bodies 113 are arranged at intervals, the batteries accommodated in the adjacent accommodating bodies 113 can be separated, damage to more batteries 210 caused by the batteries 210 with thermal runaway can be avoided, and meanwhile, the batteries with thermal runaway after fire fighting can be removed conveniently. Of course, the number of the storage units 113 may be one, and is not limited.

In some embodiments, the bottom surface of the housing 113 is provided with a bevel, along which the battery can slide when placed on the bevel, facilitating the entry of the battery 210 into the first compartment 110.

In this embodiment, a buffer pad may be disposed on the inner wall of the accommodating body 113 at the side lower than the inclined plane to protect the battery 210 and prevent the battery 210 from being damaged by collision with the inner wall of the accommodating body 113 during the placement process. Likewise, the cushion pad may be provided on the ramp itself.

Fig. 7 is a schematic block diagram of a fire protection device provided in some embodiments of the present application.

As shown in fig. 7, in some embodiments, the first cartridge 110 includes a smoke alarm unit 114 for acquiring and transmitting smoke data; the fire fighting device 100 comprises a control unit 150 electrically connected to the smoke alarm unit 114 and the second bin 120, wherein the control unit 150 is configured to control the second bin 120 to release the fire fighting medium when it is confirmed that the received smoke data meets the preset data requirements.

The smoke alarm unit 114 may be directly disposed in the first bin 110, or a sensor for detecting smoke in the smoke alarm unit 114 may be disposed in the first bin 110 and used for transmitting acquired smoke data to the control unit 150.

The preset data may be preset by the control unit 150.

In the present embodiment, a smoke alarm unit 114 is provided in the first chamber 110, and a control unit 150 is provided in electrical connection with the smoke alarm unit 114 and the second chamber 120, respectively. The smoke alarm unit 114 monitors the smoke data in the first bin 110, and the control unit 150 judges whether the battery 210 in the first bin 110 has thermal runaway according to the smoke data, so that the battery 210 with thermal runaway can be effectively prevented from being damaged more, and the safety performance is higher.

FIG. 8 is a schematic view of a fire protection apparatus according to some embodiments of the present disclosure, wherein the second chamber is in a state; FIG. 9 is an enlarged view of portion A of the fire apparatus shown in FIG. 8; FIG. 10 is a schematic view of a second chamber of a fire protection device according to some embodiments of the present disclosure in another state; fig. 11 is an enlarged view of a portion B of the fire fighting device shown in fig. 10.

As shown in fig. 8-11, in some embodiments, the second cartridge 120 includes a cartridge body 121 and a connector 122. Wherein the bin body 121 encloses a second receiving chamber 1211 having a second opening 102, the second receiving chamber 1211 being configured to receive a fire-fighting medium, the second opening 102 being disposed facing the first bin 110; the connecting body 122 is configured as a common part of the first cartridge 110 and the second cartridge 120, and the connecting body 122 is rotatably connected with the cartridge body 121 such that the connecting body 122 covers the second opening 102 or opens the second opening 102.

The second opening 102 is disposed facing the first compartment, i.e., the second opening 102 is located at the junction of the second compartment 120 and the first compartment to communicate the second receiving chamber 1211 with the first receiving chamber.

The connecting body 122 is disposed near the second opening 102 and is disposed on the bin main body 121, in this embodiment, the connecting body 122 is rotationally connected with the bin main body 121, and by rotating the connecting body 122, the opening and closing of the second opening 102 can be achieved, so that the communication and blocking between the second accommodating cavity 1211 and the first accommodating cavity can be achieved.

With the connector 122 covering the second opening 102, the connector 122 may be used to support a fire medium.

Of course, in some embodiments, the connection body 122 and the cartridge body 121 may also be connected by sliding connection, which is all within the scope of the present application.

In this embodiment, the connecting body 122 can cover and open the second opening 102, that is, the connecting body 122 controls the communication and cutting between the second accommodating cavity 1211 and the first bin, which is beneficial to the fire-fighting medium accommodated in the second accommodating cavity 1211 to be quickly introduced into the first bin, and is beneficial to improving the timeliness of fire-fighting.

In some embodiments, the connector 122 includes a first adapter 1221 and a second adapter 1222 rotatably coupled to the cartridge body 121, respectively, the first adapter 1221 and the second adapter 1222 adapted to couple when the two are in proximity to each other and to co-cover the second opening 102, or to release fire fighting medium when the two are away from each other.

The first and

second transfer portions

1221 and 1222 may be mounted to a sidewall of the cartridge body 121 where the second opening 102 is formed by a hinge structure such as a hinge, and the first and

second transfer portions

1221 and 1222 may be disposed opposite to each other so as to be capable of closing the second opening 102 together when they are brought close to each other.

In some embodiments, driving members may be respectively provided for the first adapting portion 1221 and the second adapting portion 1222 to drive the first adapting portion 1221 and the second adapting portion 1222 to rotate simultaneously, or a driving member may be provided for one of the first adapting portion 1221 and the second adapting portion 1222 and connected thereto by a lap joint, a snap joint, a magnetic attraction, or the like.

In this embodiment, the first adapting part 1221 and the second adapting 1222 are rotatably connected with the bin main body 121, so that the first adapting part 1221 and the second adapting part 1222 can be assembled in a resetting manner by rotating, thereby avoiding the waste of the material of the connector 122 and improving the economic value of the fire fighting device 100.

In some embodiments, the first and

second interfaces

1221, 1222 are configured to overlap each other, and the first interface 1221 is located on a side of the second interface 1222 facing away from the second receiving cavity 1211; the second bin 120 further includes a driving assembly 123, the driving assembly 123 includes a driving mechanism 1231, a first connecting portion 1232 in driving connection with the driving mechanism 1231, and a second connecting portion 1233 for connecting with the first connecting portion 1232, and when the driving mechanism 1231 is used for driving the first connecting portion 1232 to move away from the second connecting portion 1233, the second connecting portion 1233 is separated from the first connecting portion 1232, so that the second connecting portion 1233, the first connecting portion 1221 and the second connecting portion 1232 are far away from each other.

The end of the first adapting portion 1221 near the second adapting portion 1222 is provided with a first lap joint portion, and at the same time, the end of the second adapting portion 1222 near the first adapting portion 1221 is provided with a second lap joint portion, and when the first adapting portion 1221 and the second adapting portion 1222 are near, the first lap joint portion is closer to the first bin than the second lap joint portion, so that the second lap joint portion overlaps the first lap joint portion.

The driving mechanism 1231 may be a motor or an air cylinder, the driving mechanism 1231 is connected with the first connecting portion 1232 through a first connecting rod, and the first connecting rod can move in a direction approaching or separating from the second connecting portion 1233 under the driving action of the driving mechanism 1231.

The connection between the first connection part 1232 and the second connection part 1233 may adopt a connection mode such as a magnetic connection, a snap connection, etc.

The second connecting portion 1233 is connected to the first connecting portion 1221 through a second connecting rod, and meanwhile, in order to avoid the second connecting rod from being damaged in the falling process, in some embodiments, hinges may be further disposed at two ends of the second connecting rod, that is, at the connection position with the second connecting portion 1233 and the connection position with the first connecting portion 1221, so that the second connecting rod is hinged to the second connecting portion 1233 and the first connecting portion 1221 respectively, so as to reduce the connection rigidity, and avoid damage when falling.

In this embodiment, the driving mechanism 1231 can drive the first connecting portion 1232 to move in a direction approaching or departing from the second connecting portion 1233, so as to connect and disconnect the first connecting portion 1232 and the second connecting portion 1233; when the driving mechanism 1231 is used for driving the first connecting portion 1232 to move away from the second connecting portion 1233, the second connecting portion 1233 is separated from the first connecting portion 1232, and at this time, the second connecting portion 1232 and the first adapting portion 1221 are separated from the second adapting portion 1222 as a whole, that is, the second opening 102 is opened, and the fire-fighting medium in the second accommodating chamber 1211 flows into the first bin 110 for fire fighting. Such a control is simple and efficient and easy to reassemble.

As an embodiment of the present application, please refer to fig. 4 to 11, the present application provides a fire-fighting device 100, wherein the fire-fighting device 100 includes a first bin 110 and a second bin 120, and the second bin 120 is located directly above the first bin 110 along a vertical direction. A side wall of the first bin 110 is provided with a first opening 101, and the first bin 110 has a first receiving chamber 1111 for receiving the battery 210, an end of the second bin 120 facing the first bin 110 is provided with a second opening 102, and the second bin 120 has a second receiving chamber 1211 for receiving the fire fighting medium. Meanwhile, the first bin 110 further comprises a smoke alarm unit 114 arranged in the bin body 111, the second bin 120 further comprises a driving assembly 123 arranged in the bin body 121, the fire fighting device 100 further comprises a control unit 150, and the control unit 150 is respectively connected with the smoke alarm unit 114 and the driving assembly 123.

The preset value of the smoke alarm unit 114 may be set in advance by the control unit 150 before the fire protection apparatus 100 starts to operate. When the fire fighting device 100 is operated, the state of the battery 210 in the first accommodating chamber 1111 is monitored by the smoke alarm unit 114, and when the battery 210 generates smoke due to thermal runaway combustion and the smoke alarm unit 114 detects that the smoke data in the first accommodating chamber 1111 is higher than a preset value, an operation signal is sent to the control unit 150, the control unit 150 starts to operate and controls the driving assembly 123 to operate so as to communicate the second accommodating chamber 1211 with the first accommodating chamber 1111, and fire fighting medium accommodated in the second accommodating chamber 1211 is introduced into the first accommodating chamber 1111 to fire-fight the battery 210.

While the present application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the present application, and in particular, the technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A fire protection device for a power conversion system, the fire protection device comprising:

a first compartment for accommodating a battery; and

the second bin is used for containing a fire-fighting medium, the second bin is arranged opposite to the first bin, and the second bin is used for releasing the fire-fighting medium into the first bin when the battery is out of control thermally so as to fire the battery.

2. The fire protection device of claim 1, wherein the first bin comprises:

a cartridge body comprising a first receiving cavity having a first opening; and

and the cover plate component is movably connected with the bin body, so that the cover plate component covers the first opening or opens the first opening.

3. The fire protection device of claim 2, wherein the cartridge body comprises:

the body part is enclosed to form the first accommodating cavity; and

a guide rail arranged on the body part and movably connected with the cover plate component,

the cover plate assembly is used for being connected with the body part to expose the first opening, and is used for moving along the guide rail to cover the first opening.

4. The fire protection device of claim 1, wherein the fire protection device comprises a fire control unit,

the first bin comprises a containing body used for containing the battery, and the bottom surface of the containing body is inclined towards the vertical direction relative to the transportation direction of the battery, so that the battery can move along the bottom surface under the action of self gravity.

5. The fire protection device of claim 1, wherein the first bin includes a smoke alarm unit for acquiring and transmitting smoke data;

the fire fighting device comprises a control unit electrically connected with the smoke alarm unit and the second bin, and the control unit is used for controlling the second bin to release the fire fighting medium when the received smoke data meets the preset data requirement.

6. The fire protection device of claim 1, wherein the second bin comprises:

the bin main body is enclosed to form a second accommodating cavity with a second opening, the second accommodating cavity is used for accommodating the fire-fighting medium, and the second opening is arranged facing the first bin; and

and the connecting body is configured as a part shared by the first bin and the second bin, and is rotationally connected with the bin main body so as to cover the second opening or open the second opening.

7. The fire protection device of claim 6, wherein the fire protection device comprises a fire control unit,

the connecting body comprises a first switching part and a second switching part which are respectively connected with the bin main body in a rotating way, wherein the first switching part and the second switching part are used for being connected when being mutually close to each other and jointly covered on the second opening, or releasing the fire-fighting medium when being mutually far away from each other.

8. The fire protection device of claim 7, wherein the fire protection device comprises a fire control unit,

the first switching part and the second switching part are used for being overlapped with each other, and the first switching part is positioned at one side of the second switching part, which is away from the second accommodating cavity;

the second bin further comprises a driving assembly, the driving assembly comprises a driving mechanism, a first connecting portion and a second connecting portion, the first connecting portion is in driving connection with the driving mechanism, the second connecting portion is used for being connected with the first connecting portion, when the driving mechanism is used for driving the first connecting portion to deviate from the second connecting portion to move, the second connecting portion is separated from the first connecting portion, and therefore the second connecting portion, the first connecting portion and the second switching portion are far away from each other.

9. The fire protection device according to any one of claims 1 to 8, wherein,

the second bin is located at an upper portion of the first bin in a vertical direction.

10. The fire protection device of any one of claims 1 to 8, further comprising:

a case; and

the first bin and the second bin are arranged in the frame assembly.

11. A power conversion system, comprising:

the battery bin is used for storing batteries;

the battery replacing device is arranged in the battery compartment and used for replacing a battery of the power utilization device; and

the fire protection device of any one of claims 1-10, disposed outside the battery compartment.