CN113594620A

CN113594620A - Directional ventilation unit of battery

Info

Publication number: CN113594620A
Application number: CN202110826309.6A
Authority: CN
Inventors: 何南海; 潘健
Original assignee: Ningbo Xiaoding Technology Co ltd
Current assignee: Ningbo Xiaoding Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-11-02

Abstract

The application provides a directional battery ventilation device which comprises a shell, a gas collecting pipe and an exhaust pipe, wherein one end of the gas collecting pipe is communicated with the inside of the shell, and the other end of the gas collecting pipe is communicated with the middle part of the exhaust pipe; an electric fan is arranged inside the exhaust pipe; the battery directional ventilation device comprises an electric switch which is electrically connected with the electric fan; a sensor is arranged in the gas collecting pipe, the contact switch and the sensor can be used independently on the premise of not influencing the performance of equipment, and the sensor is electrically connected with the electric switch; the tip of blast pipe leads to and concentrates the exhaust point, and when the inside high temperature of battery, produces fire flue gas, fire flue gas passes through the discharge pipe and gets into the blast pipe, then concentrates and arrange to concentrating the exhaust point, avoids the flue gas to spread on a large scale in the air around the battery, also can reduce the high-temperature gas that is detained around the battery case, avoids the casing to take place to melt or burn.

Description

Directional ventilation unit of battery

Technical Field

The application relates to the technical field of battery protection, in particular to a directional ventilation device for a battery.

Background

The prior art batteries generally comprise a casing, a cathode, an anode, an electrolyte and an electrolyte, wherein the cathode and the anode are inserted into the electrolyte, the electrolyte is dissolved in the electrolyte, and the difference of redox properties of the cathode and the anode in the electrolyte is utilized to generate directional charge flow to form current. During the charging and discharging process of the battery, chemical reaction continuously occurs inside the battery, heat is generated, and a part of gas is generated, so that when the battery is in a sealed state and the gas quantity is large, the shell is easy to explode due to the fact that the internal pressure is too large. And the generated smoke is diffused to the surrounding air, so that the air pollution in a large range is caused.

Disclosure of Invention

The application provides a directional ventilation unit of battery for the flue gas that the battery produced among the solution prior art causes air pollution's problem on a large scale to the diffusion in the ambient air.

In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:

a battery directional ventilation device comprises a shell, a gas collecting pipe and an exhaust pipe, wherein one end of the gas collecting pipe is communicated with the inside of the shell, and the other end of the gas collecting pipe is communicated with the middle of the exhaust pipe.

In some embodiments, an electric fan is disposed inside the exhaust duct.

In some embodiments, the battery directional ventilation device includes an electrical switch electrically connected to the electric fan.

In some embodiments, a sensor is disposed inside the gas collecting pipe, and the sensor is electrically connected with the electric switch.

In some embodiments, the sensor comprises a smoke sensor electrically connected to the electrical switch.

In some embodiments, the sensor comprises a temperature sensor electrically connected to the electrical switch.

In some embodiments, the sensor comprises an air pressure sensor electrically connected to the electrical switch.

In some embodiments, dust covers are fixedly connected to both ends of the exhaust pipe.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a battery directional ventilation device in the embodiment of the application.

Reference numerals:

101. a housing; 102. a gas collecting pipe; 103. an exhaust pipe; 104. an electric fan; 105. an electric switch; 106. a sensor; 107. a dust cover.

Detailed Description

Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacted with the second feature or indirectly contacted with the second feature through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "some examples," or "possible implementations" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1, in the embodiment of the present application, there is provided a battery directional ventilation apparatus including a housing 101, a gas collecting duct 102, and an exhaust duct 103, wherein one end of the gas collecting duct 102 communicates with the inside of the housing 101, and the other end of the gas collecting duct 102 communicates with the middle of the exhaust duct 103.

The directional ventilation unit of battery that this embodiment provided, the tip of blast pipe 103 leads to concentrated exhaust point, and when the inside high temperature of battery, produce fire flue gas, fire flue gas passes through collecting duct 102 and gets into blast pipe 103, then concentrates and arrange to concentrated exhaust point, avoids the flue gas to spread on a large scale in the battery ambient air, also can reduce the high-temperature gas that detains around battery casing 101, avoids casing 101 to take place to melt or burn.

In some embodiments, electric fan 104 is disposed inside exhaust duct 103.

With the above embodiment of the present embodiment, one end of exhaust duct 103 leads to the concentrated exhaust point, and electric fan 104 blows the flue gas in exhaust duct 103 to the concentrated exhaust point and sucks air from the other end of exhaust duct 103 when operating, thereby lowering the flue gas concentration in exhaust duct 103 and lowering the air temperature in exhaust duct 103.

In some embodiments, the battery directional ventilation device includes an electrical switch 105, and the electrical switch 105 is electrically connected to the electric fan 104.

In some embodiments, a sensor 106 is disposed inside the gas manifold 102, and the sensor 106 is electrically connected to the electric switch 105.

In some embodiments, the sensor 106 includes a smoke sensor 106, and the smoke sensor 106 is electrically connected to the electrical switch 105.

In some embodiments, the sensor 106 includes a temperature sensor 106, and the temperature sensor 106 is electrically connected to the electrical switch 105.

In some embodiments, the sensor 106 includes an air pressure sensor 106, the air pressure sensor 106 being electrically connected to the electrical switch 105.

In some embodiments, dust covers 107 are fixedly attached to both ends of exhaust duct 103.

In the use process of the directional ventilation device for the battery provided by this embodiment, when the temperature inside the battery is too high, smoke is generated, the smoke firstly enters the gas collecting pipe 102, the temperature sensor 106, the air pressure sensor 106 and the smoke sensor 106 respectively monitor three indexes of temperature, air pressure and smoke concentration inside the gas collecting pipe 102 in real time, when one index exceeds an allowable range, the electric switch 105 is powered on, the electric fan 104 starts to operate, the electric fan 104 exhausts the air inside the exhaust pipe 103 to one end of the exhaust pipe 103 and sucks the air outside the exhaust pipe 103 from the other end of the exhaust pipe 103, the outside air enters the exhaust pipe 103 after being filtered by the dust cover 107 to be mixed with the smoke, contacts with the harmful gas therein to oxidize the harmful gas and reduce the content of the harmful gas, and then is filtered by the dust cover 107 at the other end, and finally, the gas is led to a designated exhaust position for centralized treatment, so that the harmful gas is prevented from diffusing into the air around the battery.

The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.

Claims

1. The battery directional ventilation device is characterized by comprising a shell, a gas collecting pipe and an exhaust pipe, wherein one end of the gas collecting pipe is communicated with the inside of the shell, and the other end of the gas collecting pipe is communicated with the middle of the exhaust pipe.

2. The battery directional ventilation apparatus of claim 1, wherein the exhaust duct is internally provided with an electric fan.

3. The battery directional ventilation apparatus of claim 2, comprising an electrical switch in electrical communication with the electrical fan.

4. The battery directional ventilation device of claim 3, wherein a sensor is disposed inside the gas collection tube, the sensor being electrically connected to the electrical switch.

5. The battery directional ventilation device of claim 4, wherein the sensor comprises a smoke sensor electrically connected to the electrical switch.

6. The battery directional ventilation device of claim 4, wherein the sensor comprises a temperature sensor electrically connected to the electrical switch.

7. The battery directional ventilation device of claim 4, wherein the sensor comprises an air pressure sensor electrically connected to the electrical switch.

8. The battery directional ventilation device according to any one of claims 1 to 7, wherein dust covers are fixedly connected to both ends of the exhaust pipe.