WO2019061181A1

WO2019061181A1 - Terminal fall protection device and terminal

Info

Publication number: WO2019061181A1
Application number: PCT/CN2017/104057
Authority: WO
Inventors: 王展
Original assignee: 深圳传音通讯有限公司
Priority date: 2017-09-28
Filing date: 2017-09-28
Publication date: 2019-04-04

Abstract

Disclosed are a terminal fall protection device and a terminal. The protection device is applied to a terminal (1), and the terminal (1) is internally provided with a gravity sensor, an acceleration sensor, and a processor. The device comprises at least one airbag assembly (2) provided on a side wall of the terminal (1). The airbag assembly (2) comprises a housing (22), a baffle (23), an air inflation system (24) and an airbag (21), wherein the housing (22) is connected to the side wall of the terminal (1), one end, oriented towards the outside of the terminal (1), of the housing (22) is provided with an airbag ejection port, and the baffle (23) is arranged on the airbag ejection port; the air inflation system (24) is electrically connected to the processor, and an air discharge part of the air inflation system (24) is connected to an air inflation port of the airbag (21); and when the processor determines that the terminal (1) is in a falling state, the airbag (21) is ejected from the airbag ejection port to protect the terminal (1). The device determines that the terminal (1) is in a falling state by using the gravity sensor and the acceleration sensor, and then inflates the airbag (21) by using the air inflation system. After inflation, the airbag (21) protects the terminal (1), so as to dampen the impact of the ground on the terminal (1), and a screen and inner hardware of the terminal (1) are thus protected.

Description

Terminal drop protection device and terminal

Technical field

The present invention relates to the field of electronic product technologies, and in particular, to a terminal drop protection device and a terminal.

Background technique

With the rapid development of electronic technology, mobile terminals, such as smart phones, tablets, personal computers and other electronic products are widely used in various fields, and become an indispensable part of people's lives and daily work.

In the use of mobile terminals, there are often cases of falling, especially for widescreen devices that are becoming more and more popular nowadays. For some high-level drops, it may even directly cause damage to the internal hardware of the mobile terminal. However, in order to further reduce the damage of the mobile terminal, the mobile phone manufacturer usually adopts a more stable housing structure or adopts a more resistant material as the material of the housing. In addition, in order to further protect the mobile terminal, the user It is usually preferred to use an additional housing and a screen protector.

However, manufacturers and users of these mobile protection devices do not isolate or reduce the impact of landing, especially for high-level drops, the protection effect is not obvious, the huge impact of the terminal landing It is extremely easy to cause broken screen or damage to internal hardware.

Summary of the invention

The invention provides a terminal drop protection device and a terminal, which can effectively buffer and protect when the terminal is dropped, and reduce the impact of the ground on the terminal when the terminal is dropped, thereby better protecting the screen and internal hardware of the terminal.

In a first aspect, the present invention provides a terminal drop protection device, which is applied to a terminal, wherein the terminal is provided with a gravity sensor, an acceleration sensor, and a processor, and the processor is electrically connected to the gravity sensor and the acceleration sensor. The device includes: at least one airbag assembly disposed on a sidewall of the terminal;

The airbag assembly includes: a housing, a baffle, an inflation system, and an airbag;

The housing is connected to the side wall of the terminal, and the airbag is disposed at one end of the housing toward the outer side of the terminal An outlet, the baffle is disposed on the air bag ejection outlet;

The inflation system is electrically connected to the processor, an exhaust port of the inflation system is connected to an inflation port of the air bag, and the inflation system and the air bag are disposed on the casing and the baffle Inside the cavity;

And when the processor determines, according to the data acquired by the gravity sensor and the acceleration sensor, that the terminal is in a falling state, the processor sends an inflation instruction to the inflation system to control the inflation system to the The airbag is inflated; the airbag is inflated to separate the baffle from the housing; and the airbag is used to protect the terminal after being ejected from the airbag ejection outlet.

In a possible design, the inflation system includes: a gas valve controller, a high pressure gas tank, and an electromagnetic gas valve, the electromagnetic gas valve and the gas valve controller, the high pressure gas tank, and the Airbag connection

The gas valve controller is further electrically connected to the processor, the gas valve controller is configured to receive an inflation command sent by the processor, and the gas valve controller is further configured to turn on the electromagnetic according to the inflation command Air valve

The high pressure gas cylinder inflates the air bag after the electromagnetic gas valve is opened.

In a possible design, the inflation system includes: a point blast controller, a point blasting device, and a gas generator connected in sequence; the gas generator is connected to the air bag;

The blast controller is further electrically connected to the processor, the blast controller is configured to receive an inflation command sent by the processor, and the blast controller is further configured to start the point according to the inflation command Explosive device

The blast device triggers the gas generator to generate gas to inflate the air bag.

In one possible design, the housing is detachably coupled to the sidewall of the terminal.

In one possible design, the housing and the terminal are threaded or snap-fitted.

In one possible design, after the balloon is inflated, the gas in the balloon is nitrogen.

In a possible design, the surface of the airbag is provided with at least one air hole.

In a possible design, an airbag assembly is disposed on the sidewall of the terminal; the airbag includes: a first airbag and a second airbag that are in communication with each other;

After the airbag is inflated, the first airbag forms an interlayer with the second airbag, and the terminal is located intermediate the interlayer.

In a possible design, one side of the four corners of the terminal is provided with one of the airbag assemblies; the airbag is a spherical airbag;

When the airbag is inflated, each corner of the terminal is wrapped by an airbag.

In a second aspect, the present invention further provides a terminal, where the terminal includes the terminal drop protection device provided by the first aspect.

The invention provides a terminal drop protection device, which determines the terminal is currently in a falling state by using the gravity sensor and the acceleration sensor data acquired by the processor in the terminal, and then sends the inflation command to the inflation system through the processor, thereby inflating the airbag. After the airbag is inflated, the terminal is protected, and the impact of the ground on the terminal is cached, thereby protecting the screen of the terminal and the internal hardware.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

1 is a schematic structural diagram of a terminal drop protection device according to an exemplary embodiment of the present invention;

Figure 2 is a schematic view showing the structure of the airbag assembly shown in Figure 1 before being inflated;

Figure 3 is a schematic structural view of the airbag assembly shown in Figure 2 after inflation;

Figure 4 is a schematic structural view of an inflation system shown in Figure 1;

Figure 5 is a schematic structural view of another inflation system shown in Figure 1;

6 is an application scenario diagram of the terminal drop protection device shown in FIG. 1;

FIG. 7 is a schematic structural diagram of a terminal drop protection device according to another exemplary embodiment of the present invention; FIG.

FIG. 8 is an application scenario diagram of the terminal drop protection device shown in FIG. 7.

BRIEF DESCRIPTION OF THE DRAWINGS:

1: terminal; 2: airbag assembly;

21: airbag; 22: housing;

23: baffle; 24: inflation system;

241: high pressure gas tank; 242: electromagnetic gas valve;

243: air valve controller; 244: point explosion controller:

245: point blasting device; 246: gas generator.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. Based on embodiments in the present invention, the field All other embodiments obtained by a person of ordinary skill in the art without creative efforts are within the scope of the invention.

FIG. 1 is a schematic structural diagram of a terminal drop protection device according to an exemplary embodiment of the present invention. As shown in FIG. 1 , the terminal drop protection device in this embodiment is applied to a terminal, and the terminal may be an electronic device such as a smart phone, a tablet computer, and an e-book. The terminal is provided with a gravity sensor, an acceleration sensor, and a processor, where The terminal is electrically connected to the gravity sensor and the acceleration sensor. The terminal drop protection device provided in this embodiment includes: at least one airbag assembly 2 disposed on the side wall of the terminal 1 , wherein the airbag assembly 2 includes: the housing 22 The baffle 23, the inflation system 24, and the air bag 21.

Specifically, the airbag assembly 2 is connected to the side wall of the terminal 1 through the housing 22, wherein the housing 22 and the side wall of the terminal 1 can be directly connected by screws or snaps. Further, the airbag assembly 2 can be disposed at the terminal. One or more of the four corners of the 1 may also be disposed on one or more of the four sides of the terminal 1. 2 is a schematic view showing the structure of the airbag assembly shown in FIG. 1 before being inflated. As shown in FIG. 2, the above-mentioned housing 23 is provided with an airbag ejection opening toward one end of the terminal 1, and a baffle 23 is disposed above the airbag ejection outlet, and a closed cavity is formed between the housing 22 and the baffle 23, The material and shape of the baffle 23 are consistent with the design style of the outer casing 1 . Figure 3 is a schematic view showing the structure of the airbag assembly shown in Figure 2 after inflation. As shown in FIG. 3, the housing 22 and the baffle 23 may be glued or connected by a buckle, wherein in the embodiment, the specific between the housing 22 and the baffle 23 is not The manner of connection is limited, but it should be noted that the pressure generated by the airbag 21 after inflation of the baffle 23 must be sufficient to disengage the baffle 23 from the housing 22.

The above-described inflation system 24 is electrically connected to the processor in the terminal 1, and the exhaust port of the inflation system 24 is connected to the inflation port of the air bag 21, and further, the inflation system 24 and the air bag 21 are disposed on the above-described housing 22 and the shutter The cavity formed between 23 chambers. When the terminal 1 is dropped, the gravity sensor in the terminal 1 can sense that the current terminal 1 is in a weightless state, and the real-time acceleration of the terminal 1 during the falling process can be acquired by the acceleration sensor, and then the acquired data is transmitted to the terminal 1 The processor in the middle performs data processing, and the processor can determine that the current terminal 1 is in a falling weightless state according to the acquired data, and can calculate the real-time drop speed of the terminal 1. When the real-time drop speed exceeds a preset drop speed threshold, the processor sends an inflation command to the inflation system 24.

There are various designs for the specific implementation of the inflation system 24. FIG. 4 is a schematic structural view of an inflation system shown in FIG. 1. As shown in FIG. 4, the above-described inflation system 24 may include a gas valve controller 243, a high pressure gas cylinder 241, and an electromagnetic gas valve 242. Specifically, the gas is passed between the high pressure gas tank 241 and the air bag 21 The body duct is connected, and the electromagnetic gas valve 242 is disposed on the gas pipe between the high pressure gas tank 241 and the air bag 21. When the electromagnetic gas valve 242 is closed, the gas pipe between the high pressure gas tank 241 and the air bag 21 is not turned on, and the compressed gas in the high pressure gas tank 241 cannot flow into the air bag 21 through the gas pipe, and when the electromagnetic gas valve 242 is opened At this time, the gas pipe between the high pressure gas tank 241 and the air bag 21 is turned on, and the compressed gas in the high pressure gas tank 241 rapidly inflates the air bag 21 due to the instantaneous decrease in pressure. The opening and closing of the electromagnetic valve 242 is controlled by a valve controller 243 connected thereto, and the valve controller 243 is electrically connected to the processor in the terminal 1. When the gas valve controller 243 receives the inflation command transmitted from the processor in the terminal 1, the gas valve controller 243 controls the electromagnetic gas valve 242 to open, completing the inflation operation of the airbag 21. Among them, in consideration of safety during inflation and economy of compressed gas, compressed nitrogen may be selected as the compressed gas in the high pressure gas tank 241.

Figure 5 is a schematic view showing the structure of another inflation system shown in Figure 1. As shown in FIG. 5, the above-described inflation system 24 includes a point blast controller 244, a blasting device 245 and a gas generator 246 which are sequentially connected, wherein the exhaust port of the gas generator 246 is connected to the inflation port of the air bag 21. . Specifically, the blast controller 244 is electrically connected to the processor in the terminal 1. When the blast controller 244 receives the inflation command sent by the processor in the terminal 1, the blast controller 244 activates the blast device. 245. The heat generating energy generated by the blasting device 245 ignites the gas generating agent in the gas generator 246 to release the gas, thereby rapidly inflating the air bag 21. The gas generating agent in the gas generator 246 may be a gunpowder gas generating agent, and mainly includes a nitrocellulose powder and a composite propellant formula. In addition, the gas generating agent in the gas generator may also be a pyrotechnic gas generating agent, mainly including sodium azide, an oxidizing agent and a binder, wherein the oxidizing agent mainly has metal oxides such as iron oxide and copper oxide, and potassium nitrate and sodium nitrate. , cerium nitrate, potassium perchlorate, potassium permanganate and other salts, the main adhesives are silica, bentonite, kaolin and organic polymer materials. Optionally, a coolant may be further doped in the gas generating agent, and the coolant mainly plays a role of adsorbing combustion solid residue and reducing combustion products in the process of reacting the gas generating agent.

FIG. 6 is an application scenario diagram of the terminal fall protection device shown in FIG. 1. FIG. As shown in FIG. 6, one of the four corners of the terminal 1 is provided with an airbag assembly. When the terminal 1 is dropped, the gravity sensor in the terminal 1 can sense that the current terminal 1 is in a weightless state, and the real-time acceleration of the terminal 1 during the falling process can be acquired by the acceleration sensor, and then the acquired data is transmitted to the terminal 1 The processor in the middle performs data processing, and the processor can determine that the current terminal 1 is in a falling weightless state according to the acquired data, and can calculate the real-time drop speed of the terminal 1. When the real-time drop speed exceeds the preset drop speed threshold, the processor sends an inflation command to the inflation system 24 at one of the four corners of the terminal 1. When the inflation system 24 receives the inflation command, the airbag 21 is rapidly inflated, and the airbag in the airbag assembly includes: a first airbag and a second airbag that communicate with each other, and when the airbag is inflated, the first airbag and the second airbag The airbag forms a sandwich, at which point the terminal is located at the first An air bag is interposed between the interlayer formed by the second air bag. It should be noted that the length and width of the first airbag and the second airbag are both greater than the length and width of the terminal. After the airbag is inflated, the terminal 21 is completely wrapped by the first airbag and the second airbag, when the terminal 21 is dropped to the ground. First contact with the ground is the first airbag or the second airbag. After the fall protection is completed, the airbag assembly 2 can be detached from the terminal 1 and the new airbag assembly 2 can be replaced.

In this embodiment, the gravity sensor and the acceleration sensor data acquired by the processor in the terminal are used to determine that the terminal is currently in a falling state, and then the inflating command is sent to the inflation system by the processor, thereby inflating the airbag, and after inflating the airbag. The terminal is protected to buffer the impact of the ground on the terminal, thereby protecting the screen of the terminal and the internal hardware.

FIG. 7 is a schematic structural diagram of a terminal drop protection device according to another exemplary embodiment of the present invention. As shown in FIG. 7 , the terminal drop protection device in this embodiment is applied to a terminal, and the terminal may be an electronic device such as a smart phone, a tablet computer, and an e-book. The terminal is provided with a gravity sensor, an acceleration sensor, and a processor, where The processor is electrically connected to the gravity sensor and the acceleration sensor. The terminal drop protection device provided in this embodiment includes: an airbag assembly 2 respectively disposed on four corner sidewalls of the terminal 1, wherein the airbag assembly 2 includes: a casing 22, a baffle 23, an inflation system 24, and an airbag. twenty one.

Specifically, the airbag assembly 2 is respectively connected to the side walls of the four corners of the terminal 1 through the housing 22, wherein the side walls of the four corners of the housing 22 and the terminal 1 can be directly connected by screws or snaps. The end of the housing 23 facing the outer side of the terminal 1 is provided with an airbag ejection outlet, and a baffle 23 is disposed above the airbag ejection outlet, and a closed cavity is formed between the housing 22 and the baffle 23, wherein the baffle 23 is The material and shape are consistent with the design style of the housing of the terminal 1. As shown in FIG. 3, the housing 22 and the baffle 23 may be glued or connected by a buckle, wherein in the embodiment, the specific between the housing 22 and the baffle 23 is not The manner of connection is limited, but it should be noted that the pressure generated by the airbag 21 after inflation of the baffle 23 must be sufficient to disengage the baffle 23 from the housing 22.

There may be various designs for the specific implementation of the inflation system 24, wherein, as shown in FIG. 4, the inflation system 24 described above may include a gas valve controller 243, a high pressure gas cylinder 241, and an electromagnetic gas valve 242. Specifically, the high pressure gas tank 241 and the air bag 21 are connected by a gas pipe, and the electromagnetic gas valve 242 is disposed on a gas pipe between the high pressure gas tank 241 and the air bag 21. When the electromagnetic gas valve 242 is closed, the gas pipe between the high pressure gas tank 241 and the air bag 21 is not turned on, and the compressed gas in the high pressure gas tank 241 cannot flow into the air bag 21 through the gas pipe, and when the electromagnetic gas valve 242 is opened At this time, the gas pipe between the high pressure gas tank 241 and the air bag 21 is turned on, and the compressed gas in the high pressure gas tank 241 rapidly inflates the air bag 21 due to the instantaneous decrease in pressure. The opening and closing of the electromagnetic valve 242 is controlled by a valve controller 243 connected thereto, and the valve controller 243 is electrically connected to the processor in the terminal 1. When the gas valve controller 243 receives the inflation command transmitted from the processor in the terminal 1, the gas valve controller 243 controls the electromagnetic gas valve 242 to open, completing the inflation operation of the airbag 21. Among them, in consideration of safety during inflation and economy of compressed gas, compressed nitrogen may be selected as the compressed gas in the high pressure gas tank 241.

As shown in FIG. 5, the above-described inflation system 24 includes a point blast controller 244, a blasting device 245 and a gas generator 246 which are sequentially connected, wherein the exhaust port of the gas generator 246 is connected to the inflation port of the air bag 21. . Specifically, the blast controller 244 is electrically connected to the processor in the terminal 1. When the blast controller 244 receives the inflation command sent by the processor in the terminal 1, the blast controller 244 activates the blast device. 245. The heat generating energy generated by the blasting device 245 ignites the gas generating agent in the gas generator 246 to release the gas, thereby rapidly inflating the air bag 21. The gas generating agent in the gas generator 246 may be a gunpowder gas generating agent, and mainly includes a nitrocellulose powder and a composite propellant formula. In addition, the gas generating agent in the gas generator may also be a pyrotechnic gas generating agent, mainly including sodium azide, an oxidizing agent and a binder, wherein the oxidizing agent mainly has metal oxides such as iron oxide and copper oxide, and potassium nitrate and sodium nitrate. , cerium nitrate, potassium perchlorate, potassium permanganate and other salts, the main adhesives are silica, bentonite, kaolin and organic polymer materials. Optionally, a coolant may be further doped in the gas generating agent, and the coolant mainly plays a role of adsorbing combustion solid residue and reducing combustion products in the process of reacting the gas generating agent.

It is considered that for some high-level drops, if the airbag 21 comes into contact with the ground in a state of being fully inflated, a certain impact is still generated on the terminal 1, and therefore, a vent hole may be provided on the surface of the airbag 21. During the fall of the terminal 1, the airbag 21 is inflated, and when the airbag 21 comes into contact with the ground 3, the airbag 21 is appropriately deflated outward through the vent hole, further enhancing the cushioning effect of the airbag 21 during the impact. .

FIG. 8 is an application scenario diagram of the terminal drop protection device shown in FIG. 7. As shown in FIG. 8, one of the four corners of the terminal 1 is provided with an airbag assembly. When the terminal 1 falls, the gravity sensor in the terminal 1 can feel The current terminal 1 should be in a weightless state, and the real-time acceleration of the terminal 1 during the drop process can be acquired by the acceleration sensor, and then the acquired data is sent to the processor in the terminal 1 for data processing, and the processor obtains the data according to the obtained The data can determine that the current terminal 1 is in a fall weight loss state, and can calculate the real-time drop speed of the terminal 1. When the real-time drop speed exceeds a preset drop speed threshold, the processor sends an inflation command to the inflation system 24 at the four corners. When the inflation system 24 receives the inflation command, the airbag 21 is rapidly inflated, and the airbag 21 in the airbag assembly 2 is a spherical airbag. When the airbag 21 is inflated, each corner of the terminal 1 is wrapped by an airbag 21. . It is worth noting that when the terminal is dropped onto the ground, the airbag 21 on one of the corners of the terminal 1 is first contacted with the ground. After the fall protection is completed, the airbag assembly 2 can be detached from the terminal 1 and the new airbag assembly 2 can be replaced.

The terminal provided by the present invention comprises the above-mentioned terminal drop protection device, and the terminal drop protection device inflates the airbag when the terminal is in a falling state, thereby buffering the impact on the opposite side.

Optionally, the terminal may further comprise one or more of the following components: a processing component, a memory, a power component, a multimedia component, an audio component, an input/output (I/O) interface, a sensor component, and a communication component.

Processing components typically control the overall operation of the terminal, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component can include one or more processors to execute instructions to perform all or part of the steps of the methods described above. In addition, a processing component can include one or more modules to facilitate interaction between components and other components. For example, the processing component can include a multimedia module to facilitate interaction between the multimedia component and the processing component.

The memory is configured to store various types of data to support operation at the terminal. Examples of such data include instructions for any application or method operating on the terminal, contact data, phone book data, messages, pictures, videos, and the like. The memory can be implemented by any type of volatile or non-volatile memory device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), magnetic memory, flash memory, magnetic or optical disk.

The power components provide power to the various components of the terminal. The power components can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the terminals.

The multimedia component includes a screen that provides an output interface between the terminal and the user. In some embodiments, the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor can sense not only touch or sliding motion The boundaries, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component includes a front camera and/or a rear camera. When the terminal is in an operation mode such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.

The audio component is configured to output and/or input an audio signal. For example, the audio component includes a microphone (MIC) that is configured to receive an external audio signal when the terminal is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal can be further stored in a memory or transmitted via a communication component. In some embodiments, the audio component further includes a speaker for outputting an audio signal.

The I/O interface provides an interface between the processing component and the peripheral interface module, and the peripheral interface module may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.

The sensor assembly includes one or more sensors for providing status assessment of various aspects to the terminal. For example, the sensor component can detect the open/close state of the terminal, the relative positioning of the component, for example, the component is the display of the terminal and the keypad, and the sensor component can also detect the position change of a component of the terminal or the terminal, and the user is in contact with the terminal. The presence or absence, terminal orientation or acceleration/deceleration and temperature variations of the terminal. The sensor assembly can include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component is configured to facilitate wired or wireless communication between the terminal and other devices. The terminal can access a wireless network based on a communication standard such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component further includes a near field communication (NFC) module to facilitate short range communication. For example, the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "back", "left", " The orientation or positional relationship of the right, vertical, horizontal, top, bottom, inner, outer, axial, and circumferential directions is The orientation and the positional relationship shown in the drawings are merely for the convenience of the description of the invention and the simplification of the description, and are not intended to indicate or imply that the device or component referred to has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood. To limit the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" should be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connections, or integral connections; may be mechanical connections or electrical connections; they may be directly connected or indirectly connected via an intermediate medium, which may be internal to the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art. The first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include that the first and second features are not in direct contact, but rather Contact by additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims

A terminal drop protection device is characterized in that it is applied to a terminal, wherein the terminal is provided with a gravity sensor, an acceleration sensor and a processor, and the processor is electrically connected to the gravity sensor and the acceleration sensor, the device The method includes: at least one airbag assembly disposed on a sidewall of the terminal;

The airbag assembly includes: a housing, a baffle, an inflation system, and an airbag;

The housing is connected to the side wall of the terminal, and an end of the housing facing the outer side of the terminal is provided with an airbag ejection outlet, and the baffle is disposed on the airbag ejection outlet;

The inflation system is electrically connected to the processor, an exhaust port of the inflation system is connected to an inflation port of the air bag, and the inflation system and the air bag are disposed on the casing and the baffle Inside the cavity;

And when the processor determines, according to the data acquired by the gravity sensor and the acceleration sensor, that the terminal is in a falling state, the processor sends an inflation instruction to the inflation system to control the inflation system to the The airbag is inflated; the airbag is inflated to separate the baffle from the housing; and the airbag is used to protect the terminal after being ejected from the airbag ejection outlet.
The apparatus according to claim 1, wherein said inflation system comprises: a gas valve controller, a high pressure gas cylinder, and an electromagnetic gas valve, said electromagnetic gas valve and said gas valve controller, said high pressure a gas tank and the airbag connection;

The gas valve controller is further electrically connected to the processor, the gas valve controller is configured to receive an inflation command sent by the processor, and the gas valve controller is further configured to turn on the electromagnetic according to the inflation command Air valve

The high pressure gas cylinder inflates the air bag after the electromagnetic gas valve is opened.
The device according to claim 1, wherein the inflation system comprises: a point blast controller, a blasting device and a gas generator connected in sequence; the gas generator is connected to the air bag;

The blast controller is further electrically connected to the processor, the blast controller is configured to receive an inflation command sent by the processor, and the blast controller is further configured to start the point according to the inflation command Explosive device

The blast device triggers the gas generator to generate gas to inflate the air bag.
The device of claim 1 wherein said housing is detachably coupled to said terminal sidewall.
The device according to claim 4, wherein a screw connection or a snap connection is made between the housing and the terminal.
The device according to claim 1, wherein after the balloon is inflated, the gas in the balloon is nitrogen.
The device according to any one of claims 1 to 6, wherein the surface of the airbag is provided with at least one air hole.
The device according to any one of claims 1 to 6, wherein a side wall of the terminal is provided with an air bag assembly; the air bag includes: a first air bag and a second air bag that communicate with each other;

After the airbag is inflated, the first airbag forms an interlayer with the second airbag, and the terminal is located intermediate the interlayer.
The device according to any one of claims 1 to 6, wherein a side wall of each of the four corners of the terminal is provided with one of the airbag assemblies; the airbag is a spherical airbag;

When the airbag is inflated, each corner of the terminal is wrapped by an airbag.
A terminal, characterized in that the terminal comprises the terminal fall protection device according to any one of claims 1-9.