Trigger device and airbag device

Abstract

The utility model relates to a triggering device and an air bag device. The triggering device comprises a communicating piece, a movable piece and a locking assembly. A cavity is formed in the communicating piece, and an air inlet channel and an air outlet channel are formed in the cavity wall of the cavity; the movable part is at least partially contained in the cavity and can move relative to the cavity wall of the cavity in the preset direction; the air inlet channel is communicated with or not communicated with the air outlet channel; the movable part is provided with a clamping groove; the locking assembly is installed in the cavity and comprises a first elastic piece and a locking piece. The first elastic piece is at least partially accommodated in the air outlet channel, and one end of the first elastic piece is fixedly connected with the cavity wall at the air outlet channel; the locking piece is at least partially contained in the air outlet channel and connected with the side, close to the movable piece, of the first elastic piece. When the air inlet channel communicates with the air outlet channel, at least part of the locking piece stretches into the clamping groove so as to limit the movable piece to move in the preset direction. And when the air inlet channel is not communicated with the air outlet channel, the locking piece is separated from the clamping groove.

Description

Technical Field

[0001] This application relates to the field of battery protection technology, and in particular to triggering devices and airbag devices. Background Technology

[0002] After the battery is manufactured, it needs to be transported to facilitate its assembly with other electrical devices such as automobiles. During transportation, the battery requires protection to reduce the risk of damage or thermal runaway in the event of a collision. Currently, most methods involve surrounding the battery with airbags for transport protection.

[0003] In related technologies, airbag inflation mostly occurs under specific triggering conditions, where an ignition structure ignites the gas, causing a compound to react and produce a large amount of gas, which is then introduced into the airbag. However, this design typically includes multiple high-precision components such as springs, firing pins, and ignition caps, resulting in high manufacturing and assembly costs. Furthermore, the long mechanical transmission path leads to a slow response time, affecting triggering efficiency. Additionally, the ignition cap and the reacting compound are prone to failure under long-term storage conditions. Utility Model Content

[0004] In view of the above problems, this application provides a triggering device and an airbag device, which makes the inflation of the airbag simpler, the manufacturing and assembly cost of the whole device is lower, the triggering time is faster, and the risk of failure is not high.

[0005] In a first aspect, this application provides a triggering device, comprising a connecting member, a movable member, and a locking assembly. The connecting member has a cavity, and the cavity wall has an air inlet channel and an air outlet channel. The movable member is at least partially housed within the cavity and is capable of moving relative to the cavity wall in a preset direction, so that the air inlet channel and the air outlet channel are connected or disconnected. The movable member has a locking groove. The locking assembly is installed within the cavity and includes a first elastic member and a locking member. The first elastic member is at least partially housed within the air outlet channel, and one end of the first elastic member is fixedly connected to the cavity wall at the air outlet channel. The locking member is at least partially housed within the air outlet channel and connected to the side of the first elastic member closest to the movable member. The locking member is capable of moving closer to or further away from the movable member under the action of the first elastic member. When the air inlet channel and the air outlet channel are connected, the locking member at least partially extends into the locking groove to restrict the movable member from moving in the preset direction. When the air inlet channel and the air outlet channel are not connected, the locking member separates from the locking groove.

[0006] When the air inlet channel of the triggering device provided in this application embodiment is connected to the air source, and the air outlet channel is connected to the airbag, and the airbag is used to protect the battery during transportation, the initial position of the movable part relative to the cavity can be such that the air inlet channel and the air outlet channel are not connected, and the airbag will not inflate. However, during transportation, if the transport vehicle is in danger of collision, sudden braking, or rollover, the movable part can move relative to the cavity wall in a preset direction to connect the air inlet channel and the air outlet channel. This allows the gas in the air source to sequentially enter the air inlet channel and the air outlet channel and finally enter the airbag connected to the air outlet channel. The airbag then quickly inflates to buffer and protect the battery, reducing the risk of battery damage or thermal runaway after a collision. Since this device triggers the airbag inflation directly through the movement of the movable part, it does not require the cooperation of high-precision components such as the firing pin and ignition cap. Therefore, the manufacturing and assembly cost of the entire device is low, and the triggering time is fast. At the same time, it does not require the participation of reaction compounds, reducing the risk of trigger failure and increasing reliability. Furthermore, through the cooperation of the first elastic element, the locking element, and the snap-fit ​​groove, when the air intake and air outlet channels are initially not connected, the locking element separates from the snap-fit ​​groove, and the locking element does not restrict the movement of the movable element in the preset direction. When the movable element moves relative to the cavity to connect the air intake and air outlet channels, the locking element, under the elastic force of the first elastic element, moves closer to the movable element, allowing its end to extend into the snap-fit ​​groove. Thus, through the snap-fit ​​groove and the locking element, further movement of the movable element is prevented, effectively ensuring the stability of the movable element in the first position. This results in a smoother and more stable airflow during airbag inflation, enabling rapid inflation.

[0007] In some embodiments, the size of the movable member is smaller than the size of the cavity along a preset direction; the movable member has a first position and a second position relative to the cavity; in the first position, the air intake channel is connected to the air outlet channel through the cavity; in the second position, at least one of the air intake channel and the air outlet channel is covered and sealed by the movable member, so that the air intake channel and the air outlet channel are not connected. By limiting the size of the movable member, the air intake channel can be connected to the air outlet channel through the cavity in the first position, while in the second position, at least one of the air intake channel and the air outlet channel can be covered and sealed by the outer wall of the movable member itself, thereby blocking the airflow transmission. This design is convenient, simple, and ingenious, with a simple structure and low processing cost.

[0008] In some embodiments, a first guide structure extending in a preset direction is provided on the cavity wall; a second guide structure extending in a preset direction is provided on the movable member; the first guide structure and the second guide structure are adapted to allow the movable member to move relative to the cavity wall in the preset direction. Through the cooperation of the first guide structure and the second guide structure, the movable member moves in a more precise direction and with better stability when moving relative to the cavity wall in the preset direction.

[0009] In some embodiments, the connecting member is configured with a vent hole through the cavity. By constructing a vent hole through the cavity in the connecting member, the air pressure inside the connecting member can be made consistent with the external environment. When the movable member moves from the second position to the first position, it is less likely that the movable member will jam or even stop due to air pressure.

[0010] In some embodiments, the triggering device includes a drive assembly; the drive assembly is used to drive a movable member to move relative to the cavity wall in a preset direction under preset conditions, so as to switch the air intake channel and the air outlet channel from a connected state to a disconnected state. When the transport vehicle collides, brakes suddenly, or overturns, the drive assembly will be activated to move the movable member relative to the cavity wall in a preset direction, thereby switching the air intake channel and the air outlet channel from a connected state to a disconnected state, so as to allow the air source to inflate the airbag.

[0011] In some embodiments, the movable member is configured as a first ferromagnetic member; the driving assembly includes an electromagnetic induction coil assembly; under preset conditions, the electromagnetic induction coil assembly can conduct and generate a magnetic field, causing the movable member to move relative to the cavity wall of the cavity along a preset direction, and switching the air intake channel and air outlet channel from a connected state to a disconnected state. When the transport vehicle is in a collision, sudden braking, or rollover hazard, the electromagnetic induction coil assembly conducts and generates a magnetic field, at which time the movable member can be subjected to magnetic attraction, thereby moving under the action of magnetic attraction, and switching from a second position where the air intake channel and air outlet channel are not connected to a first position where the air intake channel and air outlet channel are connected, making the movement process relatively simple.

[0012] In some embodiments, the driving assembly includes a driving body, a second ferromagnetic element, a permanent magnet element, and two sets of circuit trigger interfaces. The driving body is constructed with a groove; the second ferromagnetic element is slidably disposed within the groove; the permanent magnet element is spaced apart from the groove along its extension direction and is capable of applying a preset magnetic attraction force to the second ferromagnetic element; the two sets of circuit trigger interfaces are spaced apart on the driving body and located at the end of the groove away from the permanent magnet element; the two sets of circuit trigger interfaces are connected to the energizing circuit of the electromagnetic induction coil assembly, so that the energizing circuit of the electromagnetic induction coil assembly is disconnected at the two sets of circuit trigger interfaces; wherein, under preset conditions, the second ferromagnetic element overcomes the preset magnetic attraction force and slides relative to the groove, so that the second ferromagnetic element abuts against the two sets of circuit trigger interfaces and conducts the energizing circuit of the electromagnetic induction coil assembly.

[0013] By coordinating the drive body, the second ferromagnetic component, the permanent magnet component, and two sets of circuit trigger interfaces, when the transport vehicle experiences a collision, sudden braking, or rollover, the second ferromagnetic component, under impact, overcomes the magnetic attraction due to inertia and slides along the extension direction of the slide groove towards the two sets of circuit trigger interfaces until it comes into contact with both interfaces. This activates the circuit connected to the electromagnetic induction coil body via the second ferromagnetic component, causing the electromagnetic induction coil assembly to generate a magnetic field. This magnetic attraction causes the movable component to switch from a second position to a first position, thus connecting the air source and the airbag. The entire process relies on external force to trigger the movement of the second ferromagnetic component, which in turn triggers the circuit to conduct and generate a magnetic field. The magnetic attraction then drives the movable component to move, resulting in a simple structure and fast response.

[0014] In some embodiments, the triggering device further includes a second elastic member; the second elastic member is deformably disposed between the movable member and the cavity wall near the drive assembly along a preset direction. By deformably disposing the second elastic member between the movable member and the cavity wall near the drive assembly along a preset direction, the movable member, in its initial second position state, is subjected to the elastic force of the second elastic member, making it less prone to sliding and effectively held in the second position. When the transport vehicle experiences a collision, sudden braking, or rollover hazard, the magnetic attraction force on the movable member can overcome the elastic force applied by the second elastic member and move towards the side near the drive assembly, switching from the second position to the first position.

[0015] In some embodiments, the drive assembly includes a mounting member, a slider, a push rod, and a third elastic member. The mounting member is disposed on one side of the connecting member and has a receiving cavity; the slider is at least partially received within the receiving cavity and is capable of sliding relative to the cavity wall in a predetermined direction; the push rod is at least partially disposed within the receiving cavity and fixedly connected to the side of the slider near the connecting member, and the end of the push rod away from the slider is connected to a movable member; the third elastic member is received within the receiving cavity and sleeved on the outer periphery of the push rod.

[0016] Through the coordinated operation of the mounting component, sliding component, push rod, and third elastic component, when the transport vehicle experiences a collision, sudden braking, or rollover hazard, the sliding component slides relative to the cavity wall in a predetermined direction. The push rod then pushes the movable component to slide in the predetermined direction within the cavity, switching the movable component from its initial second position to its first position. This opens the airflow channel connecting the airbag to the air source, enabling airbag inflation. Furthermore, because the third elastic component is housed within the cavity and fitted around the push rod, the sliding component is not easily slipped under the elastic force of the third elastic component during normal vehicle operation, effectively maintaining the movable component in the second position. When the transport vehicle experiences a collision, sudden braking, or rollover hazard, the sliding component overcomes the elastic force exerted by the third elastic component and moves towards the side closer to the movable component. This, in turn, drives the movable component to move via the push rod, switching the movable component from the second position to the first position.

[0017] In some embodiments, the slider has a through hole extending along a preset direction. By providing a through hole in the slider along the preset direction, the air pressure on both sides of the slider along the preset direction can be balanced through the through hole, thereby reducing the possibility of the slider getting stuck or stopping due to air pressure during sliding along the preset direction.

[0018] Secondly, this application also provides an airbag device, which includes the triggering device described in any of the above embodiments, and further includes an air source and an airbag; the air source is used to connect with the air intake channel, and the airbag is connected with the air outlet channel. When the air intake channel and the air outlet channel are connected, the gas in the air source can enter the airbag sequentially through the air intake channel and the air outlet channel.

[0019] When the airbag device provided in this application inflates a battery during transportation, the initial position of the movable part relative to the cavity can be such that the air inlet and outlet channels are not connected, and the airbag will not inflate. However, during transportation, if the transport vehicle experiences a collision, sudden braking, or rollover, the movable part can move relative to the cavity wall in a preset direction to connect the air inlet and outlet channels. This allows gas from the air source to sequentially enter the air inlet and outlet channels and ultimately into the airbag, which then rapidly inflates to cushion and protect the battery, reducing the risk of damage or thermal runaway after a collision. Because the airbag inflation is triggered directly by the movement of the movable part, without the need for high-precision components such as a firing pin or ignition cap, the manufacturing and assembly costs of the entire device are lower, and the triggering time is faster. Furthermore, the absence of reacting compounds reduces the risk of triggering failure, resulting in higher reliability. Furthermore, through the cooperation of the first elastic element, the locking element, and the snap-fit ​​groove, when the air intake and air outlet channels are initially not connected, the locking element separates from the snap-fit ​​groove, and the locking element does not restrict the movement of the movable element in the preset direction. When the movable element moves relative to the cavity to connect the air intake and air outlet channels, the locking element, under the elastic force of the first elastic element, moves closer to the movable element, allowing its end to extend into the snap-fit ​​groove. Thus, through the snap-fit ​​groove and the locking element, further movement of the movable element is prevented, effectively ensuring the stability of the movable element in the first position. This results in a smoother and more stable airflow during airbag inflation, enabling rapid inflation.

[0020] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0021] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiments below. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0022] Figure 1 This is a schematic diagram of a triggering device provided in some embodiments of this application.

[0023] Figure 2 for Figure 1 A top view of the triggering device shown.

[0024] Figure 3 for Figure 2When the movable part in the triggering device shown is in the second position relative to the cavity, in Figure 2 The diagram shows a cross-section at point AA.

[0025] Figure 4 for Figure 2 When the movable part in the triggering device shown is in the first position relative to the cavity, in Figure 2 The diagram shows a cross-section at point AA.

[0026] Figure 5 The triggering device provided in some embodiments of this application is in Figure 2 A schematic diagram of the cross-section at point AA is shown.

[0027] Figure 6 for Figure 1 A schematic diagram of the internal structure of the connecting component in the triggering device shown.

[0028] Figure 7 for Figure 1 A schematic diagram of the movable component in the triggering device shown.

[0029] Figure 8 This is a schematic diagram of a triggering device provided in some embodiments of this application.

[0030] Figure 9 for Figure 8 A top view of the triggering device shown.

[0031] Figure 10 for Figure 9 When the movable part in the triggering device shown is in the second position relative to the cavity, in Figure 9 The diagram shows a cross-section at point BB.

[0032] Figure 11 for Figure 9 When the movable part in the triggering device shown is in the second position relative to the cavity, in Figure 9 The diagram shows a cross-section at point BB.

[0033] Figure 12 for Figure 10 The diagram shows the mounting components, sliding components, and push rod.

[0034] The reference numerals in the detailed embodiments are as follows:

[0035] 100 - Connecting component; 110 - Cavity; 111 - Air inlet channel; 112 - Air outlet channel; 113 - First guide structure; 120 - Vent hole;

[0036] 200 - Movable part; 210 - Second guide structure; 220 - Snap-fit ​​groove;

[0037] 300 - Gas source;

[0038] 400 - Locking assembly; 410 - First elastic element; 420 - Locking element;

[0039] 500-Driver Components;

[0040] 510 - Electromagnetic induction coil assembly; 511 - Power supply; 512 - Electromagnetic induction coil body; 520 - Drive body; 521 - Slide groove; 530 - Second ferromagnetic component; 540 - Permanent magnet component; 550 - Two sets of circuit trigger interfaces; 551 - First set of circuit trigger interfaces; 552 - Second set of circuit trigger interfaces;

[0041] 560 - Mounting component; 561 - Receiving cavity; 570 - Sliding component; 571 - Through hole; 580 - Push rod; 590 - Third elastic component;

[0042] 600 - Second elastic element. Detailed Implementation

[0043] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0045] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0046] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0047] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0048] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0049] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0050] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0051] Currently, judging from market trends, the application of power batteries is becoming increasingly widespread. Power batteries are not only used in energy storage systems such as hydropower, thermal power, wind power, and solar power plants, but also extensively used in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. With the continuous expansion of power battery applications, market demand is also constantly increasing.

[0052] After the power battery is manufactured, it needs to be transported to facilitate its assembly with other electrical devices such as automobiles. During transportation, the power battery requires protection to reduce the risk of damage or thermal runaway in the event of a collision. Currently, most methods involve surrounding the power battery with airbags for transport protection.

[0053] In related technologies, airbag inflation mostly occurs under specific triggering conditions, where an ignition structure ignites the gas, causing a compound to react and produce a large amount of gas, which is then introduced into the airbag. However, this design typically includes multiple high-precision components such as springs, firing pins, and ignition caps, resulting in high manufacturing and assembly costs. Furthermore, the long mechanical transmission path leads to a slow response time, affecting triggering efficiency. Additionally, the ignition cap and the reacting compound are prone to failure under long-term storage conditions.

[0054] Based on the above considerations, in order to make the airbag inflation process of the power battery transportation device simpler, reduce the manufacturing and assembly cost of the entire device, achieve faster triggering, and reduce the risk of failure, this application provides a triggering device that controls the opening and closing of the air passage by moving the components, thereby realizing the physical control of the airbag inflation, making the airbag inflation simpler, reducing the manufacturing and assembly cost of the entire device, achieving faster triggering, and reducing the risk of failure.

[0055] The airbag device assembled with the triggering device and airbag disclosed in this application embodiment can provide transportation protection for the power battery, which can be a primary battery or a secondary battery. The power battery can be used in, but is not limited to, electrical devices such as vehicles, ships, or aircraft. Specifically, the electrical devices can be, but are not limited to, mobile phones, tablets, laptops, electric toys, power tools, electric vehicles, electric cars, ships, spacecraft, etc. Among them, electric toys can include stationary or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc., and spacecraft can include airplanes, rockets, space shuttles, and spacecraft, etc.

[0056] Please see Figures 1-6 as well as Figures 9-11 , Figure 1 A schematic diagram of a triggering device provided in some embodiments of this application is shown. Figure 2 It shows Figure 1 A top view of the triggering device shown. Figure 3 It shows Figure 2 When the movable part 200 in the triggering device shown is in the second position relative to the cavity 110, in Figure 2 The diagram shows a cross-section at point AA. Figure 4 It shows Figure 2 When the movable part 200 in the triggering device shown is in the first position relative to the cavity 110, in Figure 2 The diagram shows a cross-section at point AA. Figure 5 The present application illustrates a triggering device provided in some embodiments. Figure 2 A schematic diagram of the cross-section at point AA is shown. Figure 6 It shows Figure 1A schematic diagram of the internal structure of the connecting member 100 in the triggering device shown. Figure 9 It shows Figure 8 A top view of the triggering device shown. Figure 10 It shows Figure 9 When the movable part 200 in the triggering device shown is in the second position relative to the cavity 110, in Figure 9 The diagram shows a cross-section at point BB. Figure 11 It shows Figure 9 When the movable part 200 in the triggering device shown is in the second position relative to the cavity 110, in Figure 9 The diagram shows a cross-section at point BB.

[0057] The triggering device provided in some embodiments of this application includes a connecting member 100, a movable member 200, and an air source 300. The connecting member 100 is configured with a cavity 110 ( Figures 3-6 as well as Figures 10-11 As shown), the cavity 110 has an air inlet channel 111 and an air outlet channel 112 arranged at intervals on its cavity wall; the movable part 200 ( Figures 3-5 as well as Figures 10-11 (As shown) is at least partially housed within the cavity 110 and is movable relative to the cavity wall of the cavity 110 along a preset direction; exemplarily, the preset direction is... Figures 3-5 as well as Figures 10-11 The x-direction in the middle; so that the intake passage 111 and the exhaust passage 112 are connected ( Figure 4 and Figure 11 (as shown) or not connected ( Figure 3 , Figure 5 as well as Figure 10 (As shown). The movable part 200 is constructed with a snap-fit ​​groove 220; the locking assembly 400 is installed in the cavity 110, and the locking assembly 400 includes a first elastic member 410 and a locking member 420; the first elastic member 410 is at least partially housed in the air outlet channel 112, and one end of the first elastic member 410 is fixedly connected to the cavity wall at the air outlet channel 112; the locking member 420 is at least partially housed in the air outlet channel 112, and is disposed between the other end of the first elastic member 410 and the movable part 200; the locking member 420 can move closer to or further away from the movable part 200 under the action of the first elastic member 410; when the air inlet channel 111 and the air outlet channel 112 are connected, the locking member 420 extends at least partially into the snap-fit ​​groove 220 to restrict the movable part 200 from moving in a preset direction; when the air inlet channel 111 and the air outlet channel 112 are not connected, the locking member 420 separates from the snap-fit ​​groove 220.

[0058] The connecting member 100 can be a structure of any shape with a cavity. For example, a cubic structure or a columnar structure, etc., are not particularly limited.

[0059] Movable part 200 can be as follows Figure 3 , Figure 4 as well as Figure 10 and Figure 11 The cylindrical structure shown can also be like... Figure 5 The cube structure shown is not specifically limited in its shape, as long as it can be adapted to the shape of the cavity 561 and can slide relative to the cavity wall of the cavity 561.

[0060] For example, when the air intake channel 111 is connected to the air outlet channel 112, the movable member 200 can be in a first position relative to the cavity 110; when the air intake channel 111 is not connected to the air outlet channel 112, the movable member 200 can be in a second position relative to the cavity 110.

[0061] The installation direction of the triggering device can be a preset direction parallel to the normal forward direction of the transport vehicle. The first position of the movable part 200 when the air intake channel 111 and the air outlet channel 112 are not connected, and the second position of the movable part 200 when the air intake channel 111 and the air outlet channel 112 are connected, are either opposite to or the same as the normal forward direction of the transport vehicle. The installation direction of the triggering device can also be a preset direction perpendicular to the normal forward direction of the transport vehicle, thus enabling the airbag to protect the battery in the event of a side collision. Of course, the installation direction of the triggering device can also be other directions, thereby enabling multi-directional avoidance of various transportation risks encountered by the transport vehicle during operation.

[0062] The locking component 400 can be a structure such as a locking protrusion. For example, the locking protrusion abuts against the outer wall of the movable member 200, thereby making the movable member 200 subject to greater friction and thus making it difficult to move in the preset direction.

[0063] When the air intake channel 111 is connected to the air outlet channel 112, that is, in the first position, the locking component 400 can limit the movement of the movable part 200 in a preset direction. In other words, it is difficult for the movable part 200 to switch from the first position to the second position again. This makes the airflow transmission process more stable when the air source 300 starts to supply air to the airbag, and it is not easy for the airflow transmission to be interrupted. As a result, the airbag can be inflated quickly, which has a better protection effect on the power battery.

[0064] The first elastic element 410 can be a telescopic spring or a deformable sponge, etc. The locking element 420 can be a snap-fit ​​arm, which can move closer to or further away from the movable element 200 under the action of the first elastic element 410.

[0065] Any radial dimension of the locking member 420 can be smaller than any radial dimension of the card slot 220, thus making it easy to insert the locking member 420 into the card slot 220.

[0066] When the air intake channel 111 is connected to the air outlet channel 112, the snap-fit ​​groove 220 constructed on the movable member 200 can be axially aligned with the locking member 420, thereby enabling the locking member 420 to be quickly inserted.

[0067] When the air intake channel 111 of the triggering device provided in this application embodiment is connected to the air source 300, and the air outlet channel 112 is connected to the airbag, and the airbag is used to protect the battery during transportation, the initial position of the movable member 200 relative to the cavity 110 can be such that the air intake channel 111 and the air outlet channel 112 are not connected, and the airbag will not inflate. However, during transportation, if the transport vehicle is in danger of collision, sudden braking, or overturning, the movable member 200 can move relative to the cavity wall of the cavity 110 in a preset direction, so that the air intake channel 111 and the air outlet channel 112 are connected. This allows the gas in the air source 300 to sequentially enter the air intake channel 111 and the air outlet channel 112 and finally enter the airbag connected to the air outlet channel 112. The airbag then quickly inflates to buffer and protect the battery, reducing the risk of battery damage or thermal runaway after a collision. Because this device triggers airbag inflation directly through the movement of the movable part 200, eliminating the need for high-precision components such as the firing pin and ignition cap, the overall manufacturing and assembly costs are lower, and the triggering time is faster. Furthermore, the absence of reacting compounds reduces the risk of triggering failure, resulting in higher reliability. Through the cooperation of the first elastic member 410, the locking member 420, and the locking groove 220, the locking member 420 separates from the locking groove 220 in the initial second position, and the locking member 420 does not restrict the movement of the movable part 200 along the preset direction. When the movable part 200 moves relative to the cavity 110 to the first position where the air inlet channel 111 and the air outlet channel 112 are connected, the locking part 420, under the elastic force of the first elastic part 410, moves closer to the movable part 200 and its end can extend into the locking groove 220. Thus, through the locking engagement of the locking groove 220 and the locking part 420, further movement of the movable part 200 is prevented, effectively ensuring the stability of the movable part 200 in the first position. This makes the airflow more stable and smooth when the airbag is inflated, and the inflation operation can be completed quickly.

[0068] The triggering device is described in detail below. Please refer to [link / reference]. Figure 7 and Figure 8 as well as Figure 12 , Figure 7 It shows Figure 1 A schematic diagram of the movable part 200 in the triggering device shown. Figure 8 A schematic diagram of a triggering device provided in some embodiments of this application is shown. Figure 12 It shows Figure 10 A schematic diagram of the mounting component 560, the sliding component 570, and the push rod 580 shown.

[0069] Please see Figures 3-5 In some embodiments, the size of the movable member 200 is smaller than the size of the cavity 110 along a preset direction; exemplarily, the preset direction is... Figures 3-5 In the x-direction; the movable member 200 has a first position and a second position relative to the cavity 110; in the first position, the air intake channel 111 is connected to the air outlet channel 112 through the cavity 110; in the second position, at least one of the air intake channel 111 and the air outlet channel 112 is covered and sealed by the movable member 200 so that the air intake channel 111 and the air outlet channel 112 are not connected.

[0070] At least one of the air intake passage 111 and the air outlet passage 112 is covered and sealed by the movable member 200, that is, at least one of the air intake passage 111 and the air outlet passage 112 is covered by the outer peripheral wall of the movable member 200 and its passage opening is sealed, so that airflow will not enter the cavity 110 from the air intake passage 111 or the air outlet passage 112.

[0071] The dimension of the movable member 200 along the preset direction can be smaller than the distance between the intake channel 111 and the cavity wall of the cavity 110 along the preset direction, and also smaller than the distance between the exhaust channel 112 and the cavity wall of the cavity 110 along the preset direction. This allows the intake channel 111 and the exhaust channel 112 to be connected through the cavity 110 on one side of the end of the movable member 200 along the preset direction when the movable member 200 moves a certain distance along the preset direction.

[0072] The movable member 200 can be adapted to the size of the cavity 110, for example, with a clearance fit, so that when the movable member 200 moves relative to the cavity 110 to the second position, it can abut against at least one of the air intake channel 111 and the air outlet channel 112 through its outer side wall, so that at least one of the air intake channel 111 or the air outlet channel 112 is not connected to the cavity 110, thereby making the air intake channel 111 and the air outlet channel 112 not connected.

[0073] By limiting the size of the movable member 200, the air intake channel 111 can be connected to the air outlet channel 112 through the cavity 110 in the first position, while in the second position, at least one of the air intake channel 111 and the air outlet channel 112 can be covered and sealed by the outer wall of the movable member 200 itself, thereby blocking the airflow channel transmission. This design is convenient, simple and ingenious, and has a simple structure and low processing cost.

[0074] Please see Figure 6 and Figure 7 In some embodiments, a first guide structure 113 extending in a preset direction is provided on the cavity wall of the cavity 110. Figure 6 As shown); the movable part 200 is provided with a second guide structure 210 extending in a preset direction (as shown); Figure 7 (as shown); the first guide structure 113 is adapted to the second guide structure 210 so that the movable member 200 moves relative to the cavity wall of the cavity 110 in a preset direction.

[0075] One of the first guide structure 113 and the second guide structure 210 can be configured as a guide groove, and the other can be configured as a guide protrusion. Through the cooperation of the first guide structure 113 and the second guide structure 210, the movable member 200 moves in a more precise direction and has better stability when it moves relative to the cavity wall of the cavity 110 in a preset direction.

[0076] Please see Figure 6 In some embodiments, the connecting member 100 is configured with a vent 120 that passes through the cavity 110.

[0077] The vent 120 can be set on the cavity wall of the cavity 110, which is located in a preset direction and faces the first position from the second position.

[0078] By constructing a vent 120 through the cavity 110 on the connecting member 100, the air pressure inside the connecting member 100 can be made consistent with the external environment. When the movable member 200 moves from the second position to the first position, it is less likely that the movable member 200 will get stuck or even stop due to air pressure.

[0079] Please see Figures 1-5 as well as Figures 8-11 In some embodiments, the triggering device includes a drive assembly 500; the drive assembly 500 is used to drive the movable member 200 to move relative to the cavity wall of the cavity 110 in a preset direction under preset conditions, so that the air intake channel 111 and the air outlet channel 112 switch from a connected state to a disconnected state.

[0080] The preset condition can be when the transport vehicle is in a collision, sudden braking, or rollover danger. When the transport vehicle is in a collision, sudden braking, or rollover situation, the drive component 500 will be triggered to start, so that the movable part 200 moves relative to the cavity wall of the cavity 110 in a preset direction and switches from the second position to the first position, thereby causing the air source 300 to inflate the airbag.

[0081] Please see Figures 1-5 In some embodiments, the movable element 200 is configured as a first ferromagnetic element; the drive assembly 500 includes an electromagnetic induction coil assembly 510. Figure 1 and Figure 2 (As shown); Under preset conditions, the electromagnetic induction coil assembly 510 can conduct and generate a magnetic field, so that the movable part 200 moves relative to the cavity wall of the cavity 110 in a preset direction, and the air inlet channel 111 and the air outlet channel 112 switch from a connected state to a disconnected state.

[0082] The movable part 200 can be made of a ferromagnetic material structure, thereby enabling the movable part 200 to be attracted by a magnetic force and move under electromagnetic induction. For example, the movable part 200 can be made of materials such as pure iron / low carbon steel, nickel, cobalt, silicon steel, cast iron, carbon steel, tool steel, or permalloy (nickel-iron alloy).

[0083] When a collision, sudden braking, or overturning occurs in the transport vehicle, the electromagnetic induction coil assembly 510 is turned on and generates a magnetic field. At this time, the movable part 200 is attracted by the magnetic force and moves under the action of the magnetic force, thereby switching from the connected state of the air intake channel 111 and the air outlet channel 112 to the disconnected state. The movement process is relatively simple.

[0084] Please see Figures 1-5 In some embodiments, the driving component 500 includes a driving body 520 ( Figures 1-5 As shown), the second ferromagnetic component 530 ( Figures 3-5 As shown), permanent magnet component 540 ( Figure 1 and Figure 2 (as shown) and two sets of circuit trigger interfaces 550 ( Figure 1 and Figure 2 As shown). The drive body 520 is constructed with a slide groove 521 ( Figures 3-5 (As shown); the second ferromagnetic element 530 is slidably disposed within the slide groove 521; the permanent magnet 540 is spaced apart from the slide groove 521 along the extension direction of the slide groove 521 and can apply a preset magnetic attraction force to the second ferromagnetic element 530; two sets of circuit trigger interfaces 550 are spaced apart on the drive body 520 and located at the end of the slide groove 521 away from the permanent magnet 540; the two sets of circuit trigger interfaces 550 are connected to the power-on circuit of the electromagnetic induction coil assembly 510 so that the power-on circuit of the electromagnetic induction coil assembly 510 is disconnected at the two sets of circuit trigger interfaces 550; wherein, under preset conditions, the second ferromagnetic element 530 overcomes the preset magnetic attraction force and slides relative to the slide groove 521 so that the second ferromagnetic element 530 abuts against the two sets of circuit trigger interfaces 550 and conducts the power-on circuit of the electromagnetic induction coil assembly 510.

[0085] The drive body 520 can be a structure of any shape with a cavity, such as a cubic structure or a columnar structure, without any special limitation.

[0086] The second ferromagnetic component 530 can be any structural component made of ferromagnetic material, such as... Figure 3 and Figure 4 The ferromagnetic sphere shown, or Figure 5 The ferromagnetic block shown is an example. The second ferromagnetic component 530 can be made of materials such as pure iron / low carbon steel, nickel, cobalt, silicon steel, cast iron, carbon steel, tool steel, or permalloy (nickel-iron alloy).

[0087] The minimum dimension of the second ferromagnetic component 530 along the preset direction is greater than or equal to the maximum distance between the two sets of circuit trigger interfaces 550, so that when the second ferromagnetic component 530 comes into contact with the two sets of circuit trigger interfaces 550, it can conduct the power circuit of the electromagnetic induction coil assembly 510 through its own high conductivity.

[0088] The permanent magnet component 540 can be made of at least one of the following materials: metallic permanent magnet (AlNiCo), ferrite permanent magnet (barium / strontium ferrite), rare earth permanent magnet (neodymium iron boron), or samarium cobalt. It is capable of generating a stable magnetic field on its own.

[0089] The number of permanent magnets 540 can be two, with the two permanent magnets 540 arranged opposite each other and spaced apart, and the second ferromagnetic element 530 is arranged on the extension line perpendicular to the line connecting the two permanent magnets 540.

[0090] The electromagnetic induction coil assembly 510 may include a power supply 511 and an electromagnetic induction coil body 512. The power supply 511 is electrically connected to the electromagnetic induction coil body 512 and disconnected at two sets of circuit trigger interfaces 550. When the two sets of circuit trigger interfaces 550 are connected and conductive through contact with an external conductive structure, the circuit of the entire electromagnetic induction coil assembly 510 becomes conductive, thereby enabling the electromagnetic induction coil body 512 to generate a magnetic field. For example, the positive terminal of the power supply 511 is connected to the first set of circuit trigger interfaces 551, the negative terminal of the power supply 511 is connected to one end of the electromagnetic induction coil body 512, and the other end of the electromagnetic induction coil body 512 is connected to the second set of circuit trigger interfaces 552. This disconnects the circuit connecting the power supply 511 and the electromagnetic induction coil body 512 at the two sets of circuit trigger interfaces 550.

[0091] For example, the first set of circuit trigger interfaces 551 may include at least one interface terminal, and the second set of circuit trigger interfaces 552 may include at least one interface terminal.

[0092] By coordinating the drive body 520, the second ferromagnetic component 530, the permanent magnet component 540, and the two sets of circuit trigger interfaces 550, when the transport vehicle experiences a collision, sudden braking, or rollover, the second ferromagnetic component 530, due to inertia, overcomes the magnetic attraction and slides along the extension direction of the slide groove 521 towards the two sets of circuit trigger interfaces 550 until it comes into contact with both. This allows the circuit connected to the power supply 511 and the electromagnetic induction coil body 512 to be activated via the second ferromagnetic component 530. Consequently, the electromagnetic induction coil assembly 510 generates a magnetic field, causing the movable component 200 to be magnetically attracted and switch from the second position to the first position, thus establishing airflow between the air source 300 and the airbag. The entire process relies on external force to trigger the movement of the second ferromagnetic component 530, thereby activating the circuit and generating a magnetic field, which in turn drives the movable component 200 to move. The structure is simple and the response speed is fast.

[0093] Please see Figures 3-5 As shown, in some embodiments, the triggering device further includes a second elastic member 600; the second elastic member 600 is deformably disposed between the movable member 200 and the cavity wall of the cavity 110 on the side near the drive assembly 500 along a preset direction.

[0094] The second elastic element 600 can be a stretchable spring or a deformable sponge, etc.

[0095] By deformably displacing the second elastic member 600 along a preset direction between the movable member 200 and the cavity wall of the cavity 110 near the drive assembly 500, the movable member 200, when in its initial second position, is subjected to the elastic force of the second elastic member 600, making it difficult for it to slide freely and effectively maintaining its position in the second position. When the transport vehicle experiences a collision, sudden braking, or rollover, the magnetic attraction force on the movable member 200 overcomes the elastic force applied by the second elastic member 600, allowing it to move towards the side near the drive assembly 500 and switch from the second position to the first position.

[0096] Please see Figures 10-12 In some embodiments, the drive component 500 includes a mounting element 560 ( Figures 10-12 As shown), slider 570 ( Figures 10-12 As shown), push rod 580 ( Figures 10-12 (as shown) and the third elastic element 590 ( Figure 10 and Figure 11(As shown). Mounting member 560 is disposed on one side of connecting member 100 and has a receiving cavity 561; sliding member 570 is at least partially disposed in receiving cavity 561 and can slide relative to cavity wall of receiving cavity 561 in a preset direction; push rod 580 is at least partially disposed in receiving cavity 561 and fixedly connected to the side of sliding member 570 near connecting member 100, and the end of push rod 580 away from sliding member 570 is connected to movable member 200; third elastic member 590 is disposed in receiving cavity 561 and sleeved on the outer periphery of push rod 580.

[0097] Mounting component 560 can be a structure of any shape with a cavity, such as a cubic structure or a columnar structure, without any particular limitation.

[0098] The mounting component 560 can be any shape, such as a block or column, and there are no special limitations on it, as long as it can slide relative to the cavity wall of the receiving cavity 561.

[0099] The cross-section of the push rod 580 can be circular or any other polygonal structure, without any special limitation, as long as it can be connected between the movable part 200 and the sliding part 570.

[0100] The third elastic element 590 can be a stretchable spring or a deformable sponge, etc.

[0101] Through the combined action of mounting component 560, sliding component 570, push rod 580, and third elastic component 590, when the transport vehicle is in the event of a collision, sudden braking, or rollover, the sliding component 570 can slide relative to the cavity wall of the accommodating cavity 561 in a preset direction, and the push rod 580 pushes the movable component 200 to slide in the cavity 110 in a preset direction, so that the movable component 200 switches from the initial second position to the first position, thereby opening the airflow channel connecting the airbag and the air source 300 to realize the inflation operation of the airbag.

[0102] Furthermore, since the third elastic element 590 is housed within the receiving cavity 561 and sleeved on the outer periphery of the push rod 580, when the transport vehicle is in normal operation, the sliding element 570 is not easily slipped due to the elastic force of the third elastic element 590, thus effectively keeping the movable element 200 in the second position. However, when the transport vehicle is in the event of a collision, sudden braking, or rollover, the sliding element 570 overcomes the elastic force applied by the third elastic element 590 and moves towards the side closer to the movable element 200, thereby driving the movable element 200 to move via the push rod 580, so that the movable element 200 switches from the second position to the first position.

[0103] Please see Figure 12 In some embodiments, the slider 570 is provided with a through hole 571 extending in a predetermined direction.

[0104] The cross-sectional shape of the through hole 571 constructed on the slider 570 along the preset direction can be circular or any other arbitrary shape, without any special limitation.

[0105] There can be multiple through holes 571, which are arranged around the outer periphery of the push rod 580.

[0106] By providing a through hole 571 extending along a preset direction on the slider 570, the air pressure on both sides of the slider 570 along the preset direction can be balanced through the through hole 571, thereby reducing the possibility of the slider 570 sliding stuck or stopped due to air pressure during the sliding process along the preset direction.

[0107] Please see Figures 1-5 and combined Figure 6 and Figure 7 The triggering device provided in this application embodiment includes a connecting member 100, a movable member 200, an air source 300, a locking component 400, a driving component 500, and a second elastic member 600. The connecting member 100 is configured with a cavity 110 ( Figures 3-6 The cavity 110 has an air inlet channel 111 and an air outlet channel 112 arranged at intervals on its cavity wall; the movable part 200 ( Figures 3-5 It is at least partially housed within the cavity 110 and is movable relative to the cavity wall of the cavity 110 along a preset direction; exemplarily, the preset direction is... Figures 3-5 In the x-direction; the air source 300 is used to connect with the air intake channel 111; wherein, the movable member 200 has a first position and a second position relative to the cavity 110; in the first position, the air intake channel 111 is connected with the air outlet channel 112 ( Figure 4 As shown); in the second position, the intake passage 111 and the exhaust passage 112 are not connected (as shown). Figure 3 and Figure 5 (As shown).

[0108] Along a preset direction, the size of the movable member 200 is smaller than the size of the cavity 110; in a first position, the air intake channel 111 is connected to the air outlet channel 112 through the cavity 110; in a second position, at least one of the air intake channel 111 and the air outlet channel 112 is covered and sealed by the movable member 200. A first guide structure 113 extending along a preset direction is provided on the cavity wall of the cavity 110. Figure 6 As shown); the movable part 200 is provided with a second guide structure 210 extending in a preset direction (as shown); Figure 7 (as shown); the first guide structure 113 is adapted to the second guide structure 210 so that the movable member 200 moves relative to the cavity wall of the cavity 110 in a preset direction.

[0109] The movable member 200 is configured with a snap-fit ​​groove 220; the locking assembly 400 includes a first elastic member 410 and a locking member 420. The first elastic member 410 is at least partially housed within the air outlet channel 112, and one end of the first elastic member 410 is fixedly connected to the cavity wall at the air outlet channel 112; the locking member 420 is at least partially housed within the air outlet channel 112 and is disposed between the other end of the first elastic member 410 and the movable member 200; the locking member 420 is capable of moving closer to or further away from the movable member 200 under the action of the first elastic member 410; in a first position, the locking member 420 is at least partially inserted into the snap-fit ​​groove 220; in a second position, the locking member 420 is separated from the snap-fit ​​groove 220. The connecting member 100 is configured with a vent 120 penetrating the cavity 110.

[0110] The movable part 200 is configured as a first ferromagnetic part; the drive assembly 500 includes an electromagnetic induction coil assembly 510. Figure 1 and Figure 2 As shown), drive body 520 ( Figures 1-5 As shown), the second ferromagnetic component 530 ( Figures 3-5 As shown), permanent magnet component 540 ( Figure 1 and Figure 2 (as shown) and two sets of circuit trigger interfaces 550 ( Figure 1 and Figure 2 As shown); the drive body 520 is constructed with a slide groove 521 ( Figures 3-5 (As shown); the second ferromagnetic component 530 is slidably disposed within the slide groove 521; the permanent magnet component 540 is spaced apart from the slide groove 521 along its extension direction and is capable of applying a preset magnetic attraction force to the second ferromagnetic component 530; two sets of circuit trigger interfaces 550 are spaced apart on the drive body 520 and located at the end of the slide groove 521 away from the permanent magnet component 540; the two sets of circuit trigger interfaces 550 are connected to the energizing circuit of the electromagnetic induction coil assembly 510, so that the electromagnetic induction coil assembly 510... The energizing circuit is disconnected at both sets of circuit trigger interfaces 550. Under preset conditions, the second ferromagnetic element 530 overcomes the preset magnetic attraction force and slides relative to the slide groove 521, so that the second ferromagnetic element 530 abuts against the two sets of circuit trigger interfaces 550 and conducts the energizing circuit of the electromagnetic induction coil assembly 510. This allows the electromagnetic induction coil assembly 510 to conduct and generate a magnetic field, causing the movable element 200 to move relative to the cavity wall of the cavity 110 along a preset direction and switch from the second position to the first position. At the same time, along the preset direction, the second elastic element 600 is deformably disposed between the movable element 200 and the cavity wall of the cavity 110 on the side near the drive assembly 500.

[0111] When the air intake channel 111 of the triggering device provided in this application embodiment is connected to the air source 300, and the air outlet channel 112 is connected to the airbag, and the airbag is used to protect the battery during transportation, the initial position of the movable member 200 relative to the cavity 110 can be the second position. At this time, the air intake channel 111 and the air outlet channel 112 are not connected, and the airbag will not inflate. However, during transportation, if the transport vehicle is in danger of collision, sudden braking, or overturning, the movable member 200 can move relative to the cavity wall of the cavity 110 in a preset direction, so that the movable member 200 moves relative to the cavity 110 from the second position to the first preset position, thereby connecting the air intake channel 111 and the air outlet channel 112. This allows the gas in the air source 300 to sequentially enter the air intake channel 111 and the air outlet channel 112 and finally enter the airbag connected to the air outlet channel 112. The airbag then quickly inflates to buffer and protect the battery, reducing the risk of battery damage or thermal runaway after a collision. Since the device triggers the inflation of the airbag directly through the movement of the movable part 200, it does not require the cooperation of high-precision components such as the firing pin and ignition cap. Therefore, the manufacturing and assembly cost of the entire device is lower, and the triggering time is faster. At the same time, it does not require the participation of reaction compounds, which reduces the risk of triggering failure and makes it more reliable.

[0112] Furthermore, by limiting the size of the movable member 200, the air intake channel 111 can be connected to the air outlet channel 112 through the cavity 110 in the first position, while in the second position, at least one of the air intake channel 111 and the air outlet channel 112 can be covered and sealed by the outer wall of the movable member 200 itself, thereby blocking the airflow channel transmission. This design is convenient, simple and ingenious, and has a simple structure and low processing cost.

[0113] Meanwhile, through the cooperation of the first guide structure 113 and the second guide structure 210, the movable part 200 moves in a more precise direction and has better stability when it moves relative to the cavity wall of the cavity 110 in a preset direction.

[0114] Furthermore, through the cooperation of the first elastic member 410, the locking member 420, and the engaging groove 220, the locking member 420 is separated from the engaging groove 220 in the initial second position, and the locking member 420 does not restrict the movement of the movable member 200 in the preset direction. When the movable member 200 moves relative to the cavity 110 to the first position, the locking member 420, under the elastic force of the first elastic member 410, moves closer to the movable member 200, allowing its end to extend into the engaging groove 220. Thus, through the engaging engagement of the engaging groove 220 and the locking member 420, further movement of the movable member 200 is prevented, effectively ensuring the stability of the movable member 200 in the first position. This allows for a smoother and more stable airflow during airbag inflation, enabling rapid inflation.

[0115] By constructing a vent 120 through the cavity 110 on the connecting member 100, the air pressure inside the connecting member 100 can be made consistent with the external environment. When the movable member 200 moves from the second position to the first position, it is less likely that the movable member 200 will get stuck or even stop due to air pressure.

[0116] By coordinating the drive body 520, the second ferromagnetic component 530, the permanent magnet component 540, and the two sets of circuit trigger interfaces 550, when the transport vehicle experiences a collision, sudden braking, or rollover, the second ferromagnetic component 530, due to inertia, overcomes the magnetic attraction and slides along the extension direction of the slide groove 521 towards the two sets of circuit trigger interfaces 550 until it comes into contact with both. This allows the circuit connected to the power supply 511 and the electromagnetic induction coil body 512 to be activated via the second ferromagnetic component 530. Consequently, the electromagnetic induction coil assembly 510 generates a magnetic field, causing the movable component 200 to be magnetically attracted and switch from the second position to the first position, thus establishing airflow between the air source 300 and the airbag. The entire process relies on external force to trigger the movement of the second ferromagnetic component 530, thereby activating the circuit and generating a magnetic field, which in turn drives the movable component 200 to move. The structure is simple and the response speed is fast.

[0117] Furthermore, by deformably displacing the second elastic member 600 along a preset direction between the movable member 200 and the cavity wall of the cavity 110 near the drive assembly 500, the movable member 200, when in its initial second position, is subjected to the elastic force of the second elastic member 600, making it difficult for it to slide freely and effectively maintaining its position in the second position. When the transport vehicle experiences a collision, sudden braking, or rollover, the magnetic attraction force on the movable member 200 overcomes the elastic force applied by the second elastic member 600, allowing it to move towards the side near the drive assembly 500 and switch from the second position to the first position.

[0118] Please see Figures 8-12 and combined Figure 6 and Figure 7 The triggering device provided in this application embodiment includes a connecting member 100, a movable member 200, an air source 300, a locking component 400, and a driving component 500. The connecting member 100 is constructed with a cavity 110 ( Figures 10-11 As shown), the cavity 110 has an air inlet channel 111 and an air outlet channel 112 arranged at intervals on its cavity wall; the movable part 200 ( Figures 10-11 (As shown) is at least partially housed within the cavity 110 and is movable relative to the cavity wall of the cavity 110 along a preset direction; exemplarily, the preset direction is... Figures 10-11 In the x-direction; the air source 300 is used to connect with the air intake channel 111; wherein, the movable member 200 has a first position and a second position relative to the cavity 110; in the first position, the air intake channel 111 is connected with the air outlet channel 112 ( Figure 11 As shown); in the second position, the intake passage 111 and the exhaust passage 112 are not connected (as shown). Figure 10 (As shown).

[0119] Along a preset direction, the size of the movable member 200 is smaller than the size of the cavity 110; in a first position, the air intake channel 111 is connected to the air outlet channel 112 through the cavity 110; in a second position, at least one of the air intake channel 111 and the air outlet channel 112 is covered and sealed by the movable member 200. A first guide structure 113 extending along a preset direction is provided on the cavity wall of the cavity 110. Figure 6 As shown); the movable part 200 is provided with a second guide structure 210 extending in a preset direction (as shown); Figure 7 (as shown); the first guide structure 113 is adapted to the second guide structure 210 so that the movable member 200 moves relative to the cavity wall of the cavity 110 in a preset direction.

[0120] The movable member 200 is configured with a snap-fit ​​groove 220; the locking assembly 400 includes a first elastic member 410 and a locking member 420. The first elastic member 410 is at least partially housed within the air outlet channel 112, and one end of the first elastic member 410 is fixedly connected to the cavity wall at the air outlet channel 112; the locking member 420 is at least partially housed within the air outlet channel 112 and is disposed between the other end of the first elastic member 410 and the movable member 200; the locking member 420 is capable of moving closer to or further away from the movable member 200 under the action of the first elastic member 410; in a first position, the locking member 420 is at least partially inserted into the snap-fit ​​groove 220; in a second position, the locking member 420 is separated from the snap-fit ​​groove 220. The connecting member 100 is configured with a vent 120 penetrating the cavity 110.

[0121] Drive component 500 includes mounting component 560 ( Figures 10-12 As shown), slider 570 ( Figures 10-12 As shown), push rod 580 ( Figures 10-12 (as shown) and the third elastic element 590 ( Figure 10 and Figure 11 (As shown). Mounting member 560 is disposed on one side of connecting member 100 and has a receiving cavity 561; sliding member 570 is at least partially disposed in receiving cavity 561 and can slide relative to cavity wall of receiving cavity 561 in a preset direction; push rod 580 is at least partially disposed in receiving cavity 561 and fixedly connected to the side of sliding member 570 near connecting member 100, and the end of push rod 580 away from sliding member 570 is connected to movable member 200; third elastic member 590 is disposed in receiving cavity 561 and sleeved on the outer periphery of push rod 580. Furthermore, sliding member 570 has a through hole 571 extending in a preset direction.

[0122] When the air intake channel 111 of the triggering device provided in this application embodiment is connected to the air source 300, and the air outlet channel 112 is connected to the airbag, and the airbag is used to protect the battery during transportation, the initial position of the movable member 200 relative to the cavity 110 can be the second position. At this time, the air intake channel 111 and the air outlet channel 112 are not connected, and the airbag will not inflate. However, during transportation, if the transport vehicle is in danger of collision, sudden braking, or overturning, the movable member 200 can move relative to the cavity wall of the cavity 110 in a preset direction, so that the movable member 200 moves relative to the cavity 110 from the second position to the first preset position, thereby connecting the air intake channel 111 and the air outlet channel 112. This allows the gas in the air source 300 to sequentially enter the air intake channel 111 and the air outlet channel 112 and finally enter the airbag connected to the air outlet channel 112. The airbag then quickly inflates to buffer and protect the battery, reducing the risk of battery damage or thermal runaway after a collision. Since the device triggers the inflation of the airbag directly through the movement of the movable part 200, it does not require the cooperation of high-precision components such as the firing pin and ignition cap. Therefore, the manufacturing and assembly cost of the entire device is lower, and the triggering time is faster. At the same time, it does not require the participation of reaction compounds, which reduces the risk of triggering failure and makes it more reliable.

[0123] Furthermore, by limiting the size of the movable member 200, the air intake channel 111 can be connected to the air outlet channel 112 through the cavity 110 in the first position, while in the second position, at least one of the air intake channel 111 and the air outlet channel 112 can be covered and sealed by the outer wall of the movable member 200 itself, thereby blocking the airflow channel transmission. This design is convenient, simple and ingenious, and has a simple structure and low processing cost.

[0124] Meanwhile, through the cooperation of the first guide structure 113 and the second guide structure 210, the movable part 200 moves in a more precise direction and has better stability when it moves relative to the cavity wall of the cavity 110 in a preset direction.

[0125] Furthermore, through the cooperation of the first elastic member 410, the locking member 420, and the engaging groove 220, the locking member 420 is separated from the engaging groove 220 in the initial second position, and the locking member 420 does not restrict the movement of the movable member 200 in the preset direction. When the movable member 200 moves relative to the cavity 110 to the first position, the locking member 420, under the elastic force of the first elastic member 410, moves closer to the movable member 200, allowing its end to extend into the engaging groove 220. Thus, through the engaging engagement of the engaging groove 220 and the locking member 420, further movement of the movable member 200 is prevented, effectively ensuring the stability of the movable member 200 in the first position. This allows for a smoother and more stable airflow during airbag inflation, enabling rapid inflation.

[0126] By constructing a vent 120 through the cavity 110 on the connecting member 100, the air pressure inside the connecting member 100 can be made consistent with the external environment. When the movable member 200 moves from the second position to the first position, it is less likely that the movable member 200 will get stuck or even stop due to air pressure.

[0127] Through the coordinated operation of the mounting component 560, the sliding component 570, the push rod 580, and the third elastic component 590, when the transport vehicle is in the event of a collision, sudden braking, or rollover, the sliding component 570 can slide relative to the cavity wall of the receiving cavity 561 in a preset direction. The push rod 580 then pushes the movable component 200 to slide in the cavity 110 in the preset direction, allowing the movable component 200 to switch from its initial second position to its first position. This opens the airflow channel connecting the airbag to the air source 300, enabling the airbag to be inflated. Furthermore, because the third elastic component 590 is housed within the receiving cavity 561 and fitted around the push rod 580, the sliding component 570 is not easily slipped by the elastic force of the third elastic component 590 when the transport vehicle is in normal operation, thus effectively maintaining the movable component 200 in the second position. When the transport vehicle is in danger of collision, sudden braking or overturning, the sliding member 570 overcomes the elasticity applied by the third elastic member 590 and moves toward the side closer to the movable member 200, thereby driving the movable member 200 to move through the push rod 580, so that the movable member 200 switches from the second position to the first position.

[0128] Meanwhile, by providing a through hole 571 in the slider 570 along a preset direction, the air pressure on both sides of the slider 570 along the preset direction can be balanced through the through hole 571, thereby reducing the possibility of the slider 570 sliding stuck or stopped due to air pressure during the sliding process along the preset direction.

[0129] Secondly, this application also provides an airbag device, which includes the triggering device described in any of the above embodiments, and further includes an air source 300 and an airbag; the air source 300 is used to connect with the air intake channel 111; the airbag is connected with the air outlet channel 112, and when the air intake channel 111 and the air outlet channel 112 are connected, the gas in the air source 300 can enter the airbag in sequence through the air intake channel 111 and the air outlet channel 112.

[0130] The gas source 300 can be a high-pressure gas box, which contains high-pressure gas. When the inlet channel 111 and the outlet channel 112 are connected, the gas can be rapidly transferred to the gas bag connected to the inlet channel 111 under the action of the pressure difference. At the same time, using a high-pressure gas box as the gas source 300 also reduces the risk of failure of the ignition cap and the compound under long-term storage conditions when using a traditional ignition cap and reacting compound to release gas.

[0131] The air source 300 can be equipped with a one-way valve at the air intake channel 111, so that when the air intake channel 111 is connected to the air outlet channel 112, the gas can only be transmitted to the airbag in one direction, and will not be transmitted from the airbag back to the air source 300, thus ensuring the inflation stability of the airbag under the triggering conditions.

[0132] When the airbag device provided in this application operates on the battery during transportation, the initial position of the movable part 200 relative to the cavity 110 can be the second position. At this time, the air intake channel 111 and the air outlet channel 112 are not connected, and the airbag will not inflate. However, during transportation, if the transport vehicle is in danger of collision, sudden braking, or rollover, the movable part 200 can move relative to the cavity wall of the cavity 110 in a preset direction, so that the movable part 200 moves relative to the cavity 110 from the second position to the first preset position, thereby connecting the air intake channel 111 and the air outlet channel 112. This allows the gas in the air source 300 to sequentially enter the air intake channel 111 and the air outlet channel 112 and finally enter the airbag. The airbag then quickly inflates to buffer and protect the battery, reducing the risk of battery damage or thermal runaway after a collision. Because this device triggers airbag inflation directly through the movement of the movable part 200, eliminating the need for high-precision components such as the firing pin and ignition cap, the overall manufacturing and assembly costs are lower, and the triggering time is faster. Furthermore, the absence of reacting compounds reduces the risk of triggering failure, resulting in higher reliability. Through the cooperation of the first elastic member 410, the locking member 420, and the locking groove 220, the locking member 420 separates from the locking groove 220 in the initial second position, and the locking member 420 does not restrict the movement of the movable part 200 along the preset direction. When the movable part 200 moves relative to the cavity 110 to the first position where the air inlet channel 111 and the air outlet channel 112 are connected, the locking part 420, under the elastic force of the first elastic part 410, moves closer to the movable part 200 and its end can extend into the locking groove 220. Thus, through the locking engagement of the locking groove 220 and the locking part 420, further movement of the movable part 200 is prevented, effectively ensuring the stability of the movable part 200 in the first position. This makes the airflow more stable and smooth when the airbag is inflated, and the inflation operation can be completed quickly.

[0133] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A trigger device, characterized in that The trigger device comprises: a communication member (100) configured with a cavity (110), wherein an air inlet channel (111) and an air outlet channel (112) are arranged on a cavity wall of the cavity (110); a movable member (200) at least partially accommodated in the cavity (110) and capable of moving along a preset direction relative to the cavity wall of the cavity (110) to make the air inlet channel (111) and the air outlet channel (112) communicate or not communicate; the movable member (200) is configured with a clamping groove (220); a locking assembly (400) installed in the cavity (110), wherein the locking assembly (400) comprises: a first elastic member (410) at least partially accommodated in the air outlet channel (112), and one end of the first elastic member (410) is fixedly connected with the cavity wall at the air outlet channel (112); and a locking member (420) at least partially accommodated in the air outlet channel (112) and arranged between the other end of the first elastic member (410) and the movable member (200); the locking member (420) is capable of moving close to or away from the movable member (200) under the action of the first elastic member (410); when the air inlet channel (111) and the air outlet channel (112) communicate, the locking member (420) at least partially extends into the clamping groove (220) to limit the movement of the movable member (200) along the preset direction; when the air inlet channel (111) and the air outlet channel (112) do not communicate, the locking member (420) is separated from the clamping groove (220).

2. The trigger device of claim 1, wherein, In the preset direction, the size of the movable member (200) is smaller than the size of the cavity (110); the movable member (200) has a first position and a second position relative to the cavity (110); in the first position, the air inlet channel (111) communicates with the air outlet channel (112) through the cavity (110); in the second position, at least one of the air inlet channel (111) and the air outlet channel (112) is sealed by the movable member (200) to make the air inlet channel (111) and the air outlet channel (112) not communicate.

3. The trigger device of claim 1, wherein, a first guide structure (113) extending along the preset direction is arranged on the cavity wall of the cavity (110); a second guide structure (210) extending along the preset direction is arranged on the movable member (200); the first guide structure (113) and the second guide structure (210) are matched to make the movable member (200) move along the preset direction relative to the cavity wall of the cavity (110).

4. The trigger device of claim 1, wherein, The communication member (100) is configured with a ventilation hole (120) penetrating the cavity (110).

5. The trigger device of any one of claims 1-4, wherein, The trigger device comprises a driving assembly (500); The driving assembly (500) is used to drive the movable part (200) to move along the preset direction relative to the cavity wall of the cavity (110) under a preset condition, so as to switch the air inlet channel (111) and the air outlet channel (112) from the state of being in communication to the state of not being in communication.

6. The trigger device of claim 5, wherein, The movable part (200) is configured as a first ferromagnetic part. The driving assembly (500) comprises an electromagnetic induction coil assembly (510). Under the preset condition, the electromagnetic induction coil assembly (510) can be conducted and generate a magnetic field, so as to drive the movable part (200) to move along the preset direction relative to the cavity wall of the cavity (110) and switch the air inlet channel (111) and the air outlet channel (112) from the state of being in communication to the state of not being in communication.

7. The trigger device of claim 6, wherein, The driving assembly (500) comprises: A driving body (520) which is configured with a sliding groove (521); A second ferromagnetic part (530) which is slidingly arranged in the sliding groove (521); A permanent magnet part (540) which is arranged in the extension direction of the sliding groove (521) and spaced from the sliding groove (521) and can exert a preset magnetic attraction force on the second ferromagnetic part (530); and Two groups of circuit triggering interfaces (550) which are arranged on the driving body (520) and located at one end of the sliding groove (521) away from the permanent magnet part (540); the two groups of circuit triggering interfaces (550) are connected to the power circuit of the electromagnetic induction coil assembly (510), so that the power circuit of the electromagnetic induction coil assembly (510) is disconnected at the two groups of circuit triggering interfaces (550); Under the preset condition, the second ferromagnetic part (530) overcomes the preset magnetic attraction force and slides relative to the sliding groove (521), so that the second ferromagnetic part (530) abuts against the two groups of circuit triggering interfaces (550) and conducts the power circuit of the electromagnetic induction coil assembly (510).

8. The trigger device of claim 6, wherein, The triggering device further comprises a second elastic part (600); In the preset direction, the second elastic part (600) is deformably arranged between the movable part (200) and the cavity wall of the cavity (110) close to the driving assembly (500).

9. The trigger device of claim 5, wherein, The driving assembly (500) comprises: A mounting part (560) which is arranged on one side of the communication part (100) and is configured with a containing cavity (561); A sliding part (570) which is at least partially contained in the containing cavity (561) and can slide relative to the cavity wall of the containing cavity (561) in the preset direction; A push rod (580) which is at least partially arranged in the containing cavity (561) and fixedly connected to the sliding part (570) close to the communication part (100), one end of the push rod (580) away from the sliding part (570) is connected to the movable part (200); and A third elastic part (590) which is contained in the containing cavity (561) and sleeved on the outer periphery of the push rod (580).

10. The trigger device of claim 9, wherein, A through hole (571) is formed in the sliding member (570) and extends in the preset direction.

11. An airbag device characterized by comprising: The trigger device comprises the trigger device according to any one of claims 1-10, and further comprises: An air source (300) is connected with the air inlet channel (111); and An air bag is connected with the air outlet channel (112); When the air inlet channel (111) is connected with the air outlet channel (112), the gas in the air source (300) can enter the air bag through the air inlet channel (111) and the air outlet channel (112) in sequence.

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