CN213131677U

CN213131677U - Battery cabinet

Info

Publication number: CN213131677U
Application number: CN202021375171.XU
Authority: CN
Inventors: 李春海; 林洋; 刘宾
Original assignee: Sichuan Zhengyu Electrical Equipment Co ltd
Current assignee: Sichuan Zhengyu Electrical Equipment Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-05-07
Anticipated expiration: 2030-07-13

Abstract

The utility model provides a battery cabinet relates to battery technical field. The utility model provides a battery cabinet, its includes the box, and box one side intercommunication has extinguishing device, and extinguishing device can dismantle with the box and be connected, and extinguishing device is including the unit of putting out a fire and the control unit, and the control unit is used for the control unit switching of putting out a fire, is provided with temperature sensor in the box, and temperature sensor is connected to the control unit. The utility model discloses can real-time automatic detection conflagration take place to start the unit of putting out a fire and carry out quick effectual putting out a fire to the battery cabinet conflagration, avoided the battery cabinet conflagration can not in time discover, cause the problem that electrical component large tracts of land damaged.

Description

Battery cabinet

Technical Field

The utility model relates to a battery technology field particularly, relates to a battery cabinet.

Background

The battery cabinet is a battery pack consisting of a plurality of single batteries, a box body, a battery management system, relevant mounting structural members (equipment) and the like. A battery cabinet generally combines a plurality of battery modules together to be used as a power supply. At present, in the new energy field or the factory operation, the battery cabinet is an indispensable practical tool. The existing battery cabinet has poor heat dissipation effect, and is easy to cause fire and other problems due to overhigh temperature. When a fire disaster happens to the battery cabinet, as an over-current device, the fire disaster of the battery cabinet is difficult to be found in the initial stage of the fire, once a large-area fire is found, the electrical elements in the battery cabinet can hardly be survived, and the fire disaster of the battery cabinet easily causes damage to fire extinguishing personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery cabinet, it can real-time automated inspection conflagration take place to start the unit of putting out a fire and carry out quick effectual putting out a fire to the battery cabinet conflagration, avoided the battery cabinet conflagration can not in time discover, cause the problem that electrical component large tracts of land damaged.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a battery cabinet, including the box, box one side intercommunication has extinguishing device, and extinguishing device can dismantle with the box and be connected, and extinguishing device is including putting out a fire unit and the control unit, and the control unit is used for controlling the unit switching of putting out a fire, is provided with temperature sensor in the box, and temperature sensor is connected to the control unit.

In some embodiments of the utility model, above-mentioned unit of putting out a fire includes casing, parting slip, powder column and cooling structure, and the parting slip sets up in the casing, separates the casing for first cavity and second cavity, and the powder column setting is in first cavity, and cooling structure sets up in the second cavity.

The utility model discloses an in some embodiments, set up the aperture of interval equipartition on the above-mentioned spacer, the aperture enables first cavity and second cavity intercommunication.

In some embodiments of the present invention, a drug injection port is connected to one side of the first chamber, and the drug injection port is sequentially connected to a drug injection valve and a pipeline connector.

In some embodiments of the present invention, the center of the separation plate is provided with an excitation hole, and the excitation hole is provided with an igniter, which passes through the excitation hole and extends into the explosive column.

In some embodiments of the present invention, the igniter is electrically connected to the control unit through a connecting wire.

In some embodiments of the present invention, the cooling structure comprises a plurality of cooling rods, and the cooling rods are disposed in the second chamber.

In some embodiments of the present invention, an injector head is disposed on the first chamber, the injector head is a funnel-shaped structure, the large end of the funnel-shaped structure is communicated with the first chamber, and the small end of the funnel-shaped structure extends into the casing.

The utility model discloses an in some embodiments, the little end department of above-mentioned infundibulate structure is provided with the rubber buffer, and the rubber plug breaks away from the infundibulate structure automatically under rated pressure.

In some embodiments of the present invention, a screen is disposed between the injector head and the first chamber.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model provides a battery cabinet, including the box, the box mainly used protects the battery module in the battery cabinet, prevents that factors such as the outside dust of battery cabinet, steam from causing the damage to the battery module. Generally, the battery module is used as an electrical component, which has a high requirement for the external environment, and water vapor and dust can cause great damage to the battery module. Box one side intercommunication has extinguishing device, and extinguishing device can dismantle with the box and be connected, and extinguishing device is including putting out a fire unit and the control unit, and the control unit is used for controlling the unit switching of putting out a fire, is provided with temperature sensor in the box, and temperature sensor is connected to the control unit. The fire extinguishing device mainly extinguishes the fire in the cabinet body. The temperature sensor is used for detecting the temperature change in the box body in real time, when the temperature sensor detects that the temperature in the box body reaches the rated temperature, the control unit judges that fire disasters occur in the box body, and the control unit can control the fire extinguishing device to be opened to extinguish the fire disasters in the box body. Therefore, the battery cabinet can automatically detect the fire at the initial stage of the fire, and the fire extinguishing unit is started to quickly and effectively extinguish the fire of the battery cabinet, so that the problem that the fire of the battery cabinet cannot be found in time to cause large-area damage to electrical elements is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 2.

Icon: the device comprises a box body 1, a smoke sensor 2, a temperature sensor 3, a control unit 4, a shell 5, a medicine injection valve 6, a pipeline connector 7, an igniter 8, a first chamber 9, a second chamber 10, a cooling rod 11, a spray head 12, a rubber plug 13, a small hole 14 and a separating sheet 15.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "horizontal", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the products of the present invention are usually placed when they are used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" and the like, if present, does not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present invention, and this embodiment provides a battery cabinet, including a box body 1, the box body 1 is mainly used for protecting a battery module in the battery cabinet, and preventing the battery module from being damaged by factors such as dust and water vapor outside the battery cabinet. Generally, the battery module is used as an electrical component, which has a high requirement for the external environment, and water vapor and dust can cause great damage to the battery module. 1 one side intercommunication of box has extinguishing device, and extinguishing device can dismantle with box 1 and be connected, and extinguishing device is including putting out a fire unit and the control unit 4, and the control unit 4 is used for controlling the unit switching of putting out a fire, is provided with temperature sensor 3 in the box 1, and temperature sensor 3 is connected to the control unit 4. The fire extinguishing device mainly extinguishes the fire in the cabinet body. The temperature sensor 3 is used for detecting the temperature change in the box body 1 in real time, when the temperature sensor 3 detects that the temperature in the box body 1 reaches the rated temperature, the control unit 4 judges that a fire disaster occurs in the box body 1, and the control unit 4 can control the fire extinguishing device to be opened to extinguish the fire disaster in the box body 1.

Therefore, the battery cabinet can automatically detect the fire at the initial stage of the fire, and the fire extinguishing unit is started to quickly and effectively extinguish the fire of the battery cabinet, so that the problem that the fire of the battery cabinet cannot be found in time to cause large-area damage to electrical elements is solved.

It should be noted that, in the present embodiment, the control unit 4 includes a microcontroller, and the microcontroller can be used to control the fire extinguishing apparatus to be turned on. Temperature sensor 3 detects behind the temperature information can real-time transport microcontroller, and microcontroller can judge according to the logic whether temperature reaches the rated value in the box 1, when reaching or surpassing the rated value, judges that box 1 is inside to catch fire. At this time, the microcontroller can control the opening of the goods-not-good device. In order to further improve the accuracy of judging whether the interior of the box body 1 is on fire, the interior of the box body 1 in the embodiment is also provided with the smoke sensor 2 connected with the microcontroller, the smoke sensor 2 realizes fire prevention by monitoring the concentration of smoke, and a large amount of smoke can be generated immediately due to the fact that the battery element is on fire, so that the smoke amount can be used as an important basis for judging whether the fire is on fire. The embodiment selects the ion type smoke sensor, the ion type smoke sensor 2 is an advanced technology, works stably and reliably, is widely applied to various fire alarm systems, and has far better performance than a gas-sensitive resistor type fire alarm. After above-mentioned ion formula smog sensing detected smog, can convey smog information to microcontroller, microcontroller can carry out dual judgement according to the temperature information of smog information and temperature sensor 3 conveying, and judgement box 1 that can be accurate is on fire or not.

Referring to fig. 2, in some embodiments of the present invention, the fire extinguishing unit includes a housing 5, a separating sheet 15, a grain (not shown) and a cooling structure, the separating sheet 15 is disposed in the housing 5 to separate the housing 5 into a first chamber 9 and a second chamber 10, the grain is disposed in the first chamber 9, and the cooling structure is disposed in the second chamber 10. The charge is in this embodiment a charge for fire extinguishing, which is primarily an aerosol fire extinguishing agent. The fire extinguishing principle is as follows: the aerosol fire extinguishing agent in the fire extinguishing agent is sprayed out in an aerosol state by a certain chemical and physical method to extinguish fire. The divider 15 separates the charge from the cooling mechanism before it is not activated. The first chamber 9 is used to house the charge and the second chamber 10 is used to house the cooling structure. When the charge is activated under certain conditions, a large amount of aerosol is rapidly formed and heat is generated, and the aerosol enters the second chamber 10 and can be cooled by the cooling structure.

Referring to fig. 3, in the present embodiment, the separating plate 15 is provided with small holes 14 uniformly distributed at intervals, and the small holes 14 enable the first chamber 9 and the second chamber 10 to communicate with each other. The small hole 14 in the separating sheet 15 is mainly used for the passage of the above-mentioned aerosol, and the grain cannot pass through this small hole 14, so that the extinguishing agent which is not excited in the grain state is safely stored in the first chamber 9.

In some embodiments of this embodiment, the first chamber 9 is connected to a drug injection port, and the drug injection port is connected to the drug injection valve 6 and the pipeline connector 7 in sequence. The medicine injection valve 6 and the pipeline connector 7 can realize secondary medicine injection in the first cavity 9, and the fire extinguishing agent can be injected again or replaced after the medicine column is used or fails.

In some embodiments of the present invention, the partition plate 15 is provided with a firing hole (not shown), the firing hole is provided with an igniter 8, and the igniter 8 penetrates through the firing hole and extends into the grain. The excitation hole is mainly used for installing the igniter 8, and the igniter 8 is used for igniting the explosive column in the second chamber 10, so that aerosol is generated after the explosive column is excited.

The aerosol fire extinguishing agent is divided into cold aerosol and hot aerosol, at present, the hot aerosol is widely used, a large amount of solid particles and partial gas are generated mainly through combustion of the fire extinguishing agent, the solid particles and the partial gas form aerosol, and the aerosol can quickly and efficiently cause fire after entering a fire area. Specifically, the aerosol fire extinguishing mechanism is as follows: the solid particles generate metal cations at high temperature to react with active free radicals generated in the combustion reaction process so as to cut off the combustion chain of the chemical reaction, inhibit the progress of the combustion reaction and achieve the effect of chemical goods of general use. Meanwhile, water generated in the decomposition process of the solid particles (particularly sylvite) can absorb heat and reduce the temperature, thereby achieving the purpose of reducing the temperature and extinguishing fire.

In this embodiment, use the extinguishing device who takes aerosol fire extinguishing agent, can be lighter, occupation space is littleer. Compared with the traditional fire extinguishing agent, the aerosol fire extinguishing agent is more comprehensive in fire extinguishing aiming at a single ignition source, can extinguish fire for various fire sources such as a conventional fire source, an oil gas fire source and an electric fire source, and can eliminate fires caused by various reasons on any occasions. Meanwhile, the conductive adhesive has the characteristics of non-conductivity, no toxicity, no residue, safety, easy operation and the like. After extinguishing through the aerosol fire extinguishing agent in this embodiment, can not lead to the fact destruction to the electrical component in the battery cabinet, can keep the battery cabinet inside still clean after putting out a fire.

In some embodiments of the present embodiment, the igniter 8 is electrically connected to the control unit 4 through a connection line. The igniter 8 is mainly used for igniting the explosive column, the igniter 8 is connected with the control unit 4, and the control unit 4 can control the igniter 8 to be opened.

In this embodiment, a pulse igniter is used as the igniter 8, the pulse igniter is a pulse high-frequency oscillator composed of electronic components, the high-frequency voltage generated by the oscillator is boosted to a high voltage of 15KV by a step-up transformer to perform point discharge, and the spark of the discharge ignites the explosive column in the first chamber 9.

In some embodiments of the present embodiment, the cooling structure comprises a plurality of cooling bars 11, and the cooling bars 11 are disposed in the second chamber 10. The cooling rod 11 is mainly used for cooling the aerosol generated after the combustion of the explosive columns, so that the influence of high temperature on the shell 5 is prevented, and meanwhile, the damage to battery elements caused by the high temperature of the aerosol entering the box body 1 can also be prevented. The cooling bar 11 has a high cooling effect, conducts heat not only through metal but also by using a refrigerant as a heat exchange medium, has a heat conductivity 200 times that of copper, and has excellent thermal responsiveness. The cooling rod 11 technology is a prior art, the specific structure thereof will not be described in the present specification, and if there is any unclear place, the prior cooling rod 11 technology can be referred to.

In some embodiments of the present embodiment, the spraying head 12 is disposed on the first chamber 9, the spraying head 12 is a funnel-shaped structure, a large end of the funnel-shaped structure is communicated with the first chamber 9, and a small end of the funnel-shaped structure horizontally extends into the housing 5. After the grains are burnt, the generated aerosol can increase the pressure in the shell 5, and at the spraying head 12, the pressure can be further increased because the outlet of the spraying head 12 is very small, so that the aerosol is in a high-pressure spraying state when being sprayed into the box body 1. The aerosol sprayed at high speed quickly reaches the fire point to complete the fire extinguishing action.

In some embodiments of the present embodiment, a rubber plug 13 is disposed at the small end of the funnel-shaped structure, and the rubber plug 13 automatically separates from the funnel-shaped structure under the rated pressure. The rubber stopper 13 is used as a sealing structure, and the first chamber 9 and the box body 1 are opened after pressure reaches a certain pressure difference, so that the spraying speed of the aerosol sprayed after the opening is ensured to be high enough.

In some embodiments of the present embodiment, a screen is disposed between the spray head 12 and the first chamber 9. The screen can filter large particles which are not aerosol and prevent the large particles from entering the box body 1 to damage the battery element.

When the intelligent temperature control box is used, the temperature sensor 3 and the smoke sensor 2 can detect temperature change and smoke degree in the box body 1, the control unit 4 receives temperature information and smoke information, and when the temperature reaches a rated value and the smoke concentration reaches an early warning value, the control unit 4 judges that fire is on in the box body 1 according to logic judgment. Then, the control unit 4 controls the igniter 8 to ignite, so that the explosive column in the shell 5 is ignited, and a large amount of aerosol is generated after the explosive column is ignited. The aerosol enters the first chamber 9 through the small holes 14 in the separating sheet 15 and the aerosol is cooled in the first chamber 9 by the cooling rod 11. After the pressure in first chamber 9 and the pressure in the box 1 reached rated differential pressure value, rubber buffer 13 on the injection head 12 breaks away from injection head 12 automatically, and the aerosol in first chamber 9 is spouted into in the box 1 from injection head 12 fast, puts out a fire to the ignition point in the box 1.

To sum up, the embodiment of the utility model provides a battery cabinet, including box 1, box 1 mainly used protects the battery module in the battery cabinet, prevents that factors such as the outside dust of battery cabinet, steam from causing the damage to the battery module. Generally, the battery module is used as an electrical component, which has a high requirement for the external environment, and water vapor and dust can cause great damage to the battery module. 1 one side intercommunication of box has extinguishing device, and extinguishing device can dismantle with box 1 and be connected, and extinguishing device is including putting out a fire unit and the control unit 4, and the control unit 4 is used for controlling the unit switching of putting out a fire, is provided with temperature sensor 3 in the box 1, and temperature sensor 3 is connected to the control unit 4. The fire extinguishing device mainly extinguishes the fire in the cabinet body. The temperature sensor 3 is used for detecting the temperature change in the box body 1 in real time, when the temperature sensor 3 detects that the temperature in the box body 1 reaches the rated temperature, the control unit 4 judges that a fire disaster occurs in the box body 1, and the control unit 4 can control the fire extinguishing device to be opened to extinguish the fire disaster in the box body 1. Therefore, the battery cabinet can automatically detect the fire at the initial stage of the fire, and the fire extinguishing unit is started to quickly and effectively extinguish the fire of the battery cabinet, so that the problem that the fire of the battery cabinet cannot be found in time to cause large-area damage to electrical elements is solved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a battery cabinet, a serial communication port, the power distribution box comprises a box body, box one side intercommunication has extinguishing device, extinguishing device with the connection can be dismantled to the box, extinguishing device is including the unit of putting out a fire and the control unit, the control unit is used for the control unit switching of putting out a fire, be provided with temperature sensor in the box, temperature sensor is connected to the control unit, the unit of putting out a fire includes casing, spacing piece, powder column and cooling structure, the spacing piece sets up in the casing, will the casing is separated for first cavity and second cavity, the powder column sets up in the first cavity, cooling structure sets up in the second cavity.

2. The battery cabinet as recited in claim 1, wherein the partition plate is provided with small holes uniformly distributed at intervals, and the small holes enable the first chamber and the second chamber to be communicated.

3. The battery cabinet of claim 1, wherein a drug injection port is communicated with one side of the first chamber, and the drug injection port is sequentially connected with a drug injection valve and a pipeline connector.

4. The battery cabinet as claimed in claim 1, wherein the partition plate has a firing hole at the center, and an igniter is disposed at the firing hole and extends into the charge column through the firing hole.

5. The battery cabinet of claim 4, wherein the igniter is electrically connected to the control unit by a connecting wire.

6. The battery cabinet of claim 1, wherein the cooling structure comprises a plurality of cooling bars disposed within the second chamber.

7. The battery cabinet as recited in claim 1, wherein the first chamber is provided with a spray head, the spray head is a funnel-shaped structure, a large end of the funnel-shaped structure is communicated with the first chamber, and a small end of the funnel-shaped structure extends into the shell.

8. The battery cabinet as recited in claim 7, wherein a rubber plug is arranged at the small end of the funnel-shaped structure, and the rubber plug automatically breaks away from the funnel-shaped structure under a rated pressure.

9. The battery cabinet of claim 7, wherein a screen is disposed between the spray head and the first chamber.