CN214205009U

CN214205009U - Charging cabinet with fire protection device

Info

Publication number: CN214205009U
Application number: CN202022937846.1U
Authority: CN
Inventors: 朱海波; 钟辉; 林梅
Original assignee: Shenzhen Changsheng Taifu Technology Co ltd
Current assignee: Shenzhen Changsheng Taifu Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-09-14
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a charging cabinet with a fireproof device, which comprises a charging unit, wherein the charging unit comprises a cavity and a lithium battery, the lithium battery is electrically connected with a charging and discharging protection circuit board, the fireproof device comprises a hydrogen sensor and a controller which are arranged at the top part in the cavity, and the controller is electrically connected with the charging and discharging protection circuit board; the fire protection device further comprises an alarm device; the cavity comprises a side wall, a vent hole is formed in the side wall, the fireproof device further comprises an air channel communicated with the vent hole, and an exhaust fan is arranged in the air channel. Compared with the prior art, the utility model discloses can prevent in advance the early warning before the group battery catches fire, avoid the emergence of conflagration effectively.

Description

Charging cabinet with fire protection device

Technical Field

The utility model relates to a switch board field, in particular to cabinet that charges with firebreak device.

Background

Along with the rise of the trade of charging, the application of the cabinet that charges is more and more popular, for satisfying user's demand of charging as far as possible, often be equipped with a plurality of charging unit in the cabinet that charges and use for the user, carry out charge and discharge work through setting up the lithium cell in every charging unit, however at lithium battery in charging process, the unusual hydrogen that can release earlier of charging, the easy explosion that takes place when hydrogen concentration is higher catches fire, consequently, based on this kind of problem, the cabinet that charges need be equipped with a fire protection equipment and can detect the charging unit is unusual in time, take place the danger that catches fire with the prevention cabinet that charges.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cabinet charges with firebreak device has solved the technical problem that the cabinet that charges can't in time prevent fires among the prior art.

The utility model adopts the technical proposal that: the utility model provides a cabinet charges with firebreak device, the cabinet that charges includes a plurality of charging unit, charging unit includes the cavity and locates lithium cell in the cavity, the lithium cell is connected with charge and discharge protection circuit board electricity, firebreak device is including locating hydrogen sensor in the cavity and with the controller that the hydrogen sensor electricity is connected, the controller still with charge and discharge protection circuit board electricity is connected with control the break-make of charge and discharge protection circuit board circuit.

Further, the fire protection device further comprises an alarm device electrically connected with the controller.

Further, the alarm device comprises an alarm lamp and/or an audible alarm and/or a display screen.

Preferably, the hydrogen sensor is located at the top within the cavity.

Further, the cavity comprises a side wall, and a plurality of vent holes are formed in the side wall.

Further, the fire protection device further comprises an air duct communicated with the outside of the charging cabinet, and the vent hole is communicated with the air duct.

Further, the charging cabinet comprises at least one group of cavities, each group of cavities comprises a plurality of cavities arranged in parallel, and the air duct is arranged on one side of each cavity.

Further, the cabinet that charges includes two sets of the cavity, the wind channel is located between two sets of cavities.

Furthermore, an exhaust fan is arranged in the air duct.

Compared with the prior art, the utility model provides a cabinet that charges detects the hydrogen concentration in the cavity through setting up the hydrogen sensor, can just can be timely when the lithium cell begins to take place to overcharge detection hydrogen concentration takes place unusually, the hydrogen sensor is connected with the controller and sends detecting signal for the controller, and the controller is connected with charge-discharge protection circuit board electricity, when the hydrogen sensor monitors hydrogen concentration and uprises, the controller sends control command control charge-discharge protection circuit board disconnection according to detecting signal, stop continuing to charge to the lithium cell, can prevent in advance the early warning before the group battery catches fire, avoid the emergence of conflagration effectively.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic sketch of a front three-dimensional structure of a charging cabinet in the utility model;

fig. 2 is a schematic diagram of a three-dimensional structure of the back of the charging cabinet of the present invention;

fig. 3 is a schematic diagram of the charging unit of the charging cabinet of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.

The application provides a cabinet that charges with firebreak device, as shown in fig. 1, 2, the cabinet that charges is including the cabinet body 1 of establishing immediately, and it is formed by the concatenation of polylith plate body, separates by the polylith plate body in the inside of the cabinet that charges and forms a plurality of charging unit, and these charging unit divide into all including being a plurality of cavitys 3 that are listed as arranging in two sets of every group charging unit, and a lithium cell of installation forms a charging unit in every cavity 3.

Wherein, the charging cabinet is provided with a fire protection device, as shown in fig. 3, the fire protection device comprises a hydrogen sensor 31 and a controller, the lithium battery 32 is electrically connected with the charging and discharging protection circuit board for controlling the charging and discharging of the lithium battery, wherein, when the lithium battery 32 starts to be overcharged, hydrogen is generated, and hydrogen can be detected earliest compared with other gases, the detection time is 639 seconds earlier than the occurrence of dense smoke and 769 seconds earlier than the occurrence of fire of the charging unit, therefore, the hydrogen sensor 31 can timely detect the occurrence of abnormal hydrogen concentration when the lithium battery 32 starts to be overcharged, the hydrogen sensor 31 is connected with the controller to send a detection signal to the controller, the controller is electrically connected with the charging and discharging protection circuit board, when the hydrogen sensor 31 detects that the hydrogen concentration is high, the controller sends a control instruction to control the disconnection of the charging and discharging protection circuit board according to the detection signal, the lithium battery 32 is stopped from being charged continuously, early warning and prevention can be performed before the battery pack catches fire, and the occurrence of fire is effectively avoided.

Further, the fire protection device can be further provided with an alarm device for alarming, the alarm device can comprise any one or more of an alarm lamp, a sound alarm and a display screen, when the hydrogen concentration is monitored to be high, an alarm signal is timely sent out to inform the surrounding people, and the people are timely driven away, so that accidents are avoided, and related personnel are reminded to timely check and process.

Preferably, the hydrogen sensor 31 is disposed at the top inside the chamber 3 because the density of hydrogen gas is small and floats upward, and thus the accuracy of detection can be improved by disposing the hydrogen sensor 31 at the top inside the chamber 3.

Every cavity 3 all includes the lateral wall, is equipped with a plurality of air vent 33 on the lateral wall, and the setting of air vent 33 can be convenient for hydrogen in time to discharge cavity 3, and then avoids hydrogen concentration to last the rising and the risk that explodes.

Further, the cabinet that charges in this application is inside still to be equipped with wind channel 2, wind channel 2 with the cabinet outside intercommunication that charges, the cabinet that charges in this application includes two sets of charging unit, these two sets of charging unit set up side by side, and wind channel 2 then sets up between these two sets of charging unit.

Preferably, air vent 33 and wind channel intercommunication in this application for hydrogen can in time be discharged the outside of charging the cabinet from the wind channel, avoids air vent 33 and the outside direct intercommunication of cabinet that charges and gets into rainwater, sand and dust scheduling problem on the one hand, and on the other hand also can improve emission efficiency.

The air duct 2 is arranged between the two groups of charging units, so that the structure of the charging cabinet can be simplified, and the cost and the volume are saved.

Further, wind channel 2 includes air inlet 21 and gas outlet 22, and air inlet 21 sets up in the lower of horizontal position, and thereby gas outlet 22 then sets up the higher department at horizontal position and is favorable to gaseous emission, is provided with an exhaust fan in wind channel 2's inside, and the exhaust fan is used for gas flow with higher speed to in order to discharge hydrogen fast, reduce the inside hydrogen concentration of cabinet that charges, can take away the heat that each charging unit produced through the wind channel simultaneously.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a cabinet charges with firebreak device, the cabinet that charges includes a plurality of charging unit, charging unit includes the cavity and locates lithium cell in the cavity, the lithium cell is connected with charge and discharge protection circuit board electricity, a serial communication port, firebreak device is including locating hydrogen sensor in the cavity and with the controller that the hydrogen sensor electricity is connected, the controller still with charge and discharge protection circuit board electricity is connected in order to control the break-make of charge and discharge protection circuit board circuit.

2. The charging cabinet of claim 1, wherein the fire protection device further comprises an alarm device electrically connected to the controller.

3. A charging cabinet according to claim 2, wherein the alarm device comprises an alarm light and/or an audible alarm and/or a display screen.

4. The charging cabinet of claim 1, wherein the hydrogen gas sensor is disposed at a top portion within the cavity.

5. The charging cabinet of claim 1, wherein the cavity comprises a side wall, and wherein a plurality of vents are disposed in the side wall.

6. The charging cabinet of claim 5, wherein the fire protection device further comprises a duct in communication with an exterior of the charging cabinet, the vent being in communication with the duct.

7. The charging cabinet according to claim 6, wherein the charging cabinet comprises at least one set of cavities, each set of cavities comprises a plurality of cavities arranged in parallel, and the air duct is disposed on one side of the cavities.

8. The charging cabinet of claim 7, wherein the charging cabinet comprises two sets of cavities, and the air duct is disposed between the two sets of cavities.

9. The charging cabinet of claim 6, wherein an exhaust fan is disposed in the air duct.