Flexible protection armor for explosion in ship cabin, ship cabin and protection method
By using the flexible protective armor module's capsule and spray valve system, the problem that existing single protective armor cannot cope with diverse explosive loads has been solved, achieving comprehensive protection against shock waves, high-speed fragments, and fires, thus improving the ship's protective capabilities.
Patent Information
- Application Number
- CN202511561534.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2025-10-27
- Filing Date
- 2025-10-29
- Publication Date
- 2026-01-27
AI Technical Summary
In existing technologies, the diverse explosive payloads of anti-ship missiles mean that protective armor designed based on a single principle cannot effectively protect the ship's structure from the threats of explosive shock waves, high-speed fragments, and fire.
It adopts a flexible protective armor module, including a capsule and a spray valve. The capsule has a cavity inside and is connected to a delivery pipe. The spray valve sprays a high-speed jet of mist to provide multi-mechanism coupling protection. The capsule can be folded and deployed to reduce space occupation and can be deployed quickly in the event of an explosion.
It achieves comprehensive protection against shock waves, high-speed fragments, and fire, reducing damage to the ship's structure and improving the ship's combat survivability.
Smart Images

Figure CN121409050A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of ship structural protective armor technology, and in particular to a flexible protective armor for ship cabin explosions, a protective cabin, and a protective method. Background Technology
[0002] Currently, with the rapid development of weaponry, anti-ship missiles have become one of the main threats to surface ships due to their high terminal velocity, large yield, and sea-skimming stealth flight characteristics. Navies worldwide place great importance on the protection capabilities of their ships against explosions inside anti-ship missile compartments.
[0003] Currently, protective structures against internal explosions primarily employ the principle of plastic energy absorption. However, the detonation of a semi-armor-piercing warhead from an anti-ship missile within a confined space generates blast waves, quasi-static pressure, high-speed fragmentation, and subsequent fires, all of which damage the ship's structure. Given the intensity of the explosive load and the diversity of destructive elements from anti-ship missiles, protective armor designed based on a single principle is no longer sufficient to meet the ship's protection requirements. Summary of the Invention
[0004] This invention provides a flexible protective armor for explosion inside a ship's compartment, a ship compartment, and a protective method. Existing technologies have the problem that protective armor designed based on a single principle can no longer meet the protection requirements of ships.
[0005] To address the aforementioned problems, the present invention provides the following technical solution:
[0006] On one hand, a flexible protective armor for shipboard compartment explosions includes a delivery pipe and a flexible protective armor module. The flexible protective armor module includes a capsule, which is a flexible component with an internal cavity. The cavity of the capsule is connected to the delivery pipe, and a spray valve is installed on the capsule, which is connected to the cavity of the capsule.
[0007] Optionally, at least two flexible protective armor modules are arranged side by side.
[0008] Optionally, the capsule can be folded or unfolded.
[0009] Optionally, the top of the bladder is connected to the delivery pipe via a filling pipe.
[0010] Optionally, the capsule includes at least two capsule units, and adjacent capsule units are connected by folds.
[0011] Optionally, a spray valve is installed on each of the capsule units.
[0012] Optionally, an exhaust valve is installed on the bladder unit connected to the delivery pipe.
[0013] Optionally, the capsule is a flexible membrane made of high-strength fiber composite material.
[0014] On the other hand, a ship compartment includes a ship compartment with ship compartment walls, characterized in that the protective armor is installed on the ship compartment walls, the delivery pipe is installed on the ship compartment walls, and the bladder is in an unfolded state.
[0015] On the other hand, a protection method employing the aforementioned protective armor, the protection method comprising:
[0016] In its initial state, the capsule is folded. When the vent valve is opened, liquid is delivered into the capsule through the delivery pipe.
[0017] During the process of filling the capsule with liquid, the capsule gradually opens until it is fully expanded and filled, at which point the exhaust valve is closed.
[0018] When an explosion occurs inside the ship's compartment, the spray valve opens, spraying a high-speed jet of mist.
[0019] The above technical solution has at least the following advantages compared with the existing technology:
[0020] The above-described flexible protective armor for shipboard compartment explosions of the present invention features a foldable capsule during routine use, occupying little space and facilitating storage. In the event of an internal explosion, the protective armor is in operation, with the capsule rapidly deploying. The short reaction cycle allows the high-speed jet mist ejected from the spray valve to erode and block the shock wave and high-speed fragmentation, while also generating a large amount of water mist to suppress the afterburning effect and reduce the quasi-static pressure value. Furthermore, the capsule itself can resist high-speed fragment penetration and provide flame retardant and explosion suppression, achieving solid-liquid coupling dual-phase protection. During the protection process, the actively ejected high-speed jet mist and the passively impacted capsule combine active and passive protection methods to suppress the internal explosive load, thereby reducing damage to the compartment structure, personnel, and equipment, and ultimately improving the ship's combat survivability. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a structural schematic diagram of the ship's compartment according to the present invention;
[0023] Figure 2 for Figure 1 Enlarged view of point A;
[0024] Figure 3 This is a schematic diagram of the folded structure of the ship's internal explosive flexible protective armor according to the present invention.
[0025] Figure 4 for Figure 3 Enlarged view of point B;
[0026] Figure 5 This is a schematic diagram of the structure of the ship's internal explosive flexible protective armor according to the present invention;
[0027] Figure 6 This is a flowchart of the protection method of the present invention.
[0028] The annotations in the attached figures are explained as follows:
[0029] 1. Ship bulkhead; 2. Delivery pipe; 3. Bag; 31. Bag unit; 32. Folding part; 4. Filling pipe; 5. Exhaust valve; 6. Spray valve; 7. High-speed jet mist. Detailed Implementation
[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0031] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms “first,” “second,” and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an,” “a,” or “the,” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms “comprising,” “including,” or “including,” and similar terms mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents, without excluding other elements or objects. The terms “connected,” “linked,” or “connected,” and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect.
[0032] It should be noted that the terms "up", "down", "left", "right", "front", and "back" used in this invention are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.
[0033] Example 1
[0034] like Figures 1-5 As shown, this embodiment provides a flexible protective armor for ship cabin explosions, including a ship cabin bulkhead 1. A delivery pipe 2 and a flexible protective armor module are installed on the bulkhead 1, with at least two flexible protective armor modules arranged side-by-side. Each flexible protective armor module includes a capsule 3, which is a flexible component with an internal cavity filled with a liquid, which is one of seawater, fresh water, or other non-flammable liquids. The capsule 3 can be folded or unfolded; its initial state is folded (e.g.,...). Figure 3 As shown), the working state is in an unfolded state (as shown). Figure 1 As shown, the unfolded shape of the capsule unit 31 includes one of the following: square, rectangular, circular, arc-shaped, or other irregular shapes. The capsule 3 includes at least two capsule units 31, and adjacent capsule units 31 are connected by a folding portion 32. In the initial state, the capsule 3 is folded by two adjacent capsule units 31 through the folding portion 32; in the working state, the capsule units 31 and the folding portion 32 are filled with liquid, and the capsule units 31 and the folding portion 32 are unfolded.
[0035] The cavity of the capsule 3 is connected to the delivery pipe 2, and a spray valve is installed on the capsule 3, which is connected to the cavity of the capsule 3. Specifically, a spray valve is installed on each capsule unit 31.
[0036] The top of the capsule 3 is connected to the delivery pipe 2 via a filling pipe 4. More specifically, the capsule unit 31 located at the top is connected to the delivery pipe 2 via the filling pipe 4. An exhaust valve 5 is installed on the capsule unit 31 connected to the delivery pipe 2.
[0037] The capsule 3 is a high-strength fiber composite flexible membrane material, which is one or more of the following: ultra-high molecular weight polyethylene composite membrane preform, aramid fiber membrane preform, carbon fiber composite membrane preform, or glass fiber composite membrane preform.
[0038] The material of the conveying pipeline 2 is any one of carbon steel, stainless steel, pure aluminum, aluminum alloy, magnesium alloy or titanium alloy.
[0039] The ship's internal explosive flexible protective armor in this embodiment is in its initial state when not in use, and is folded, occupying little space. When an explosion occurs inside the ship's compartment, the spray valve sprays a high-speed jet mist 7 with a short reaction cycle. The high-speed jet mist 7 and the capsule 3 achieve a comprehensive protective effect through the coupling of multiple mechanisms, such as water mist wave dissipation, resistance to high-speed fragment penetration, and flame retardancy and explosion suppression.
[0040] Example 2
[0041] like Figure 1 and Figure 3As shown, this embodiment provides a ship cabin, which includes a ship cabin wall panel 1, on which protective armor as claimed in any one of claims 1-8 is installed, a delivery pipe 2 is installed on the ship cabin wall panel, and the capsule 3 is in an unfolded state.
[0042] In this embodiment, the ship compartment has a protective function. When an explosion occurs inside the ship compartment, the spray valve of the protective armor sprays a high-speed jet mist 7. The high-speed jet mist 7 and the capsule 3 have a comprehensive protective effect through the coupling of multiple mechanisms, such as water mist wave dissipation, resistance to high-speed fragment penetration, and flame retardancy and explosion suppression.
[0043] Example 3
[0044] like Figure 6 As shown, this embodiment provides a protection method, which uses the protective armor of Embodiment 1;
[0045] S100, Initial state, capsule 3 is folded (as shown in the image) Figure 3 (As shown), open the exhaust valve 5 to deliver liquid from the delivery pipe 2 into the bladder 3;
[0046] S200. During the process of filling the liquid into the capsule 3, the capsule 3 gradually opens until the capsule 3 is fully expanded (e.g., Figure 1 (As shown) Once the tank is fully charged, close exhaust valve 5;
[0047] S300: When an explosion occurs inside the ship's compartment, the spray valve opens, spraying a high-speed jet of mist 7. Specifically, the spray valve uses existing technology to spray liquid into a high-speed jet of mist 7.
[0048] In this embodiment, the high-speed jet fog 7 achieves the effects of water mist wave dissipation, flame extinguishing, and cooling, while the filled capsule 3 intercepts and protects against high-speed fragments generated by anti-ship missiles.
[0049] Furthermore, protective methods also include:
[0050] S400 After an explosion inside the ship's compartment, inspect the capsule 3, replace any damaged or destroyed capsule 3, inspect any undamaged capsule 3, replace any damaged or destroyed capsule 3, and fold any undamaged capsule 3 back to its initial state for later use.
[0051] Specifically, in the protection method of this embodiment, in step S300, the internal pressure value of the bladder 3 is detected, and it is determined whether the pressure value reaches a threshold. If the pressure value reaches the threshold, the spray valve automatically opens. In step 100, the liquid is automatically delivered from the delivery pipe 2 into the bladder 3 using a liquid delivery system. In steps 100 and 200, the exhaust valve 5 can automatically open.
[0052] The ship cabin explosion-proof flexible protective armor, ship cabin and protection method of the present invention can be applied to engineering fields such as ship cabin protection, underground fortification protection, and protection of storage space for hazardous pyrotechnics.
[0053] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. The scope of protection of the present invention should be determined by the scope of the claims.
Claims
1. A flexible explosive protective armor for ship cabins, characterized in that, The device includes a delivery pipeline and a flexible protective armor module. The flexible protective armor module includes a capsule, which is a flexible component with an internal cavity. The cavity of the capsule is connected to the delivery pipeline. A spray valve is installed on the capsule and is connected to the cavity of the capsule.
2. The ship's internal explosive flexible protective armor according to claim 1, characterized in that, At least two flexible protective armor modules are arranged side by side.
3. The ship's internal explosive flexible protective armor according to claim 1, characterized in that, The capsule can be folded or unfolded.
4. The ship's internal explosive flexible protective armor according to claim 1, characterized in that, The top of the bladder is connected to the delivery pipe via a filling pipe.
5. The ship's internal explosive flexible protective armor according to claim 1, characterized in that, The capsule includes at least two capsule units, and adjacent capsule units are connected by folds.
6. The ship's internal explosive flexible protective armor according to claim 1, characterized in that, Each of the capsule units is equipped with a spray valve.
7. The ship's internal explosive flexible protective armor according to claim 1, characterized in that, An exhaust valve is installed on the bladder unit connected to the delivery pipe.
8. The ship's internal explosive flexible protective armor according to claim 1, characterized in that, The capsule is a flexible membrane made of high-strength fiber composite material.
9. A ship compartment, comprising a ship compartment, said ship compartment including ship compartment bulkheads, characterized in that, The ship's bulkhead is equipped with protective armor as described in any one of claims 1-8, the delivery pipe is installed on the bulkhead of the ship's compartment, and the capsule is in an expanded state.
10. A protection method, characterized in that, The protection method employs the protective armor as described in any one of claims 1-8, and the protection method includes: In its initial state, the capsule is folded. When the vent valve is opened, liquid is delivered into the capsule through the delivery pipe. During the process of filling the capsule with liquid, the capsule gradually opens until it is fully expanded and filled, at which point the exhaust valve is closed. When an explosion occurs inside the ship's compartment, the spray valve opens, spraying a high-speed jet of mist.