Disposable self-destruction device for underwater instrument equipment
By designing a disposable self-destruct device for underwater instruments and equipment, which utilizes a heating wire to heat a glass sphere to expand and explode, the device achieves rapid self-destruction. This solves the problem of the lack of suitable self-destruct devices for underwater instruments and equipment on the market, and provides a fast, concealed, and environmentally friendly self-destruction solution.
Patent Information
- Application Number
- CN202511235062.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-01
- Publication Date
- 2025-12-12
AI Technical Summary
There is a lack of suitable disposable self-destruct devices for underwater instruments and equipment on the market, and the importance of self-destruct devices is not being met, especially in highly sensitive missions.
A disposable self-destruct device for underwater instruments was designed. The device uses a heating wire to heat a glass bulb, causing it to expand and explode. This causes the sealing cover to fail, allowing external liquid to enter the device and short-circuit or corrode the circuitry, thus achieving rapid self-destruction.
It achieves rapid, covert, and environmentally friendly self-destruction of underwater instruments and equipment. It has a simple structure, low cost, no noise or toxicity, and is suitable for single use.
Smart Images
Figure CN121126591A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of self-destruction device, in particular to a disposable self-destruction device for underwater instrument equipment. BACKGROUND
[0002] The main function of underwater instrument equipment is to carry out various types of measurement, monitoring, exploration and research work. Including: marine scientific research, seabed topographic mapping, resource exploration and development, environmental monitoring, military application, archaeology and cultural heritage protection, fishery management and disaster warning, etc.
[0003] There are high confidentiality requirements in the above fields, especially in high sensitivity tasks and cutting-edge technology applications, self-destruction is very necessary, but there is no disposable self-destruction device suitable for underwater instrument equipment on the market at present, so it is urgent to develop. SUMMARY
[0004] The present application provides a disposable self-destruction device for underwater instrument equipment, which is simple in structure, low in cost, can realize fast self-destruction of underwater instrument equipment, and solves the problems mentioned in the background art.
[0005] The present application provides the following technical scheme: a disposable self-destruction device for underwater instrument equipment, comprising a shell, the shell is provided with a water inlet and an elastic element mounting groove in communication with the water inlet at one end, the end of the shell provided with the water inlet is sealingly connected with the underwater instrument equipment, an elastic element is arranged in the elastic element mounting groove, a water inlet is formed in the side surface of the shell, the water inlet and the part below the shell of the underwater instrument equipment are arranged inside the underwater instrument equipment, the position corresponding to the water inlet in the shell is a hollow structure, the hollow structure is in communication with the elastic element mounting groove, a connecting groove is formed at the connection between the hollow structure and the elastic element mounting groove, the size of the connecting groove is smaller than that of the hollow structure, a sealing cover is arranged in the connecting groove to seal the upper end of the hollow structure, a glass ball is arranged in the hollow structure, the glass ball contains a heat-expandable volatile liquid, one end of the sealing cover is connected with the elastic element, a contact groove matched with the shape of the top end of the glass ball is formed on the sealing cover, the top end of the glass ball contacts the groove wall of the contact groove, a heating wire is arranged outside the glass ball, a tightness-adjustable tightening screw is connected to the bottom end of the shell, the tightening screw contacts the bottom end of the glass ball, and a wire electrode fixing connector is formed at the bottom end of the tightening screw.
[0006] As an optional solution of the disposable self-destruction device for underwater instrument equipment, the shell is provided with a connecting part, the connecting part is located above the water inlet, the shell and the underwater instrument equipment are connected through the connecting part, and the elastic element mounting groove and the elastic element are located inside the connecting part.
[0007] As an optional scheme of the disposable self-destruction device for underwater instrument equipment, two sealing grooves are formed on the outer side wall of the water inlet above the connecting part, and a first sealing ring and a second sealing ring are respectively arranged in the two sealing grooves.
[0008] As an optional scheme of the disposable self-destruction device for underwater instrument equipment, the sealing cover is T-shaped, the outer side of the smaller size end of the sealing cover is matched with the inner side of the elastic element mounting groove in size and shape, and the outer side of the larger size end of the sealing cover is matched with the inner side of the connecting groove in size and shape.
[0009] As an optional scheme of the disposable self-destruction device for underwater instrument equipment, the connecting groove comprises a sealing cover sealing groove and a sealing cover sliding groove, the sealing cover sealing groove is arranged close to the elastic element mounting groove, the outer side of the larger size end of the sealing cover is matched with the inner side of the sealing cover sliding groove in size and shape, the size of the sealing cover sealing groove is between the elastic element mounting groove and the sealing cover sliding groove, and a third sealing ring is arranged in the sealing cover sealing groove, so that the sealing cover and the connecting groove are sealed by the third sealing ring to prevent water in the elastic element mounting groove from entering the connecting groove.
[0010] As an optional scheme of the disposable self-destruction device for underwater instrument equipment, the abutting groove is formed on the larger size end of the sealing cover, and the top end of the glass ball is columnar, and the abutting groove is matched with the top end of the glass ball in a strip shape.
[0011] As an optional scheme of the disposable self-destruction device for underwater instrument equipment, the heating wire is made of nickel-chromium material, and the surface of the heating wire is coated with paint.
[0012] As an optional scheme of the disposable self-destruction device for underwater instrument equipment, the shell is made of plastic.
[0013] As an optional scheme of the disposable self-destruction device for underwater instrument equipment, the bottom end of the shell is open, a hollow end cover is connected to the opening, a screw is threadedly connected with the end cover and passes through the end cover to contact the bottom end of the glass ball.
[0014] As an optional scheme of the disposable self-destruction device for underwater instrument equipment, the length of the water inlet is matched with the length of the heating wire.
[0015] The application has the following beneficial effects: when self-destruction is needed, the control circuit connects the self-destruction circuit, the heating wire is powered by the power supply or the battery, the heating wire generates heat, the internal liquid of the glass ball volatilizes and expands when the glass ball reaches the specified temperature, the glass ball explodes, the sealing cover is pushed out by the elastic member, the external liquid or seawater enters the actuator through the water inlet, and then enters the cabin of the underwater instrument equipment through the water inlet, the internal circuit equipment is short-circuited or corroded and damaged, and the self-destruction purpose is achieved, the one-time self-destruction device for the underwater instrument equipment has small size, simple structure and low cost, and can realize fast self-destruction of the underwater instrument equipment. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a perspective view of the one-time self-destruction device for the underwater instrument equipment.
[0017] Figure 2 It is a front view of the one-time self-destruction device for the underwater instrument equipment.
[0018] Figure 3 It is a sectional view. Figure 2
[0019] Figure 4 It is a schematic view of the connecting groove of the auxiliary device.
[0020] In the figure: 1, shell; 11, water inlet; 12, connecting part; 13, first sealing ring; 14, second sealing ring; 15, third sealing ring; 16, water inlet; 17, elastic member installation groove; 18, connecting groove; 181, sealing cover sliding groove; 182, sealing cover sealing groove; 2, elastic member; 3, sealing cover; 31, abutting groove; 4, glass ball; 5, heating wire; 6, tightening screw; 61, wire electrode fixed connection port; 7, end cover. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.
[0022] Embodiment 1
[0023] Please refer to Figures 1-4 The application discloses a one-time self-destruction device for underwater instrument equipment, which can guarantee the secrecy of the task and equipment, prevent advanced technology and equipment from being leaked, and is more suitable for one-time use compared with other self-destruction structures adopting motors or explosives, and the device is simple in structure, low in noise, high in concealment, harmless and friendly to the environment. The one-time self-destruction device for underwater instrument equipment comprises a shell 1, a water inlet 16 and an elastic element mounting groove 17 are arranged on one end of the shell 1, the water inlet 16 is sealingly connected to an outer shell A of the underwater instrument equipment, an elastic element 2 is arranged in the elastic element mounting groove 17, a water outlet 11 is arranged on the side surface of the shell 1, the water outlet 11 and the part below the water outlet 11 of the shell 1 are arranged in the underwater instrument equipment, water enters the self-destruction device from the water inlet 16 and then enters the underwater instrument equipment through the water outlet 11 after the self-destruction program is started, therefore, the position corresponding to the water outlet 11 in the shell 1 is a hollow structure, the hollow structure is connected with the elastic element mounting groove 17, a connecting groove 18 is arranged at the connecting position of the hollow structure and the elastic element mounting groove 17, a sealing cover 3 is arranged in the connecting groove 18 to seal the upper end of the hollow structure, the connecting groove 18 comprises a sealing cover sealing groove 182 and a sealing cover sliding groove 181, the sealing cover sealing groove 182 is arranged close to the elastic element mounting groove 17, the sealing cover 3 is T-shaped, the size of the small end of the sealing cover 3 is matched with the size of the inner side of the elastic element mounting groove 17, the size of the large end of the sealing cover 3 is matched with the size of the inner side of the sealing cover sliding groove 181, the size of the sealing cover sealing groove 182 is between the size of the elastic element mounting groove 17 and the size of the sealing cover sliding groove 181, and a third sealing ring 15 is arranged in the sealing cover sealing groove 182 to seal the sealing cover 3 and the connecting groove 18 and prevent water in the elastic element mounting groove 17 from entering the connecting groove 18.
[0024] The shell 1 is provided with a connecting part 12, the connecting part 12 is arranged above the water outlet 11, the shell 1 and the underwater instrument equipment are connected through the connecting part 12, and the elastic element mounting groove 17 and the elastic element 2 are arranged on the inner side of the connecting part 12. The connecting part 12 can be connected with the underwater instrument equipment through external threads or a flange structure, two sealing grooves are arranged on the outer side wall of the water inlet 16 above the connecting part 12, a first sealing ring 13 and a second sealing ring 14 are arranged in the two sealing grooves respectively, and the first sealing ring 13 and the second sealing ring 14 are sealingly arranged at the contact position of the shell 1 and the underwater instrument equipment.
[0025] The connecting part 12 is located above the hollow structure, the hollow structure is built-in with the glass ball 4, the glass ball 4 adopts fire-fighting supplies, has strict national standards, reaches certain temperature and will explode, the glass ball 4 contains the liquid that expands and volatilizes when heated, one end of the sealing cover 3 is connected with the elastic member 2, the sealing cover 3 is provided with the abutment groove 31 matched with the shape of the top end of the glass ball 4, the abutment groove 31 is provided at the larger end of the sealing cover 3, optionally, the top end of the glass ball 4 is columnar, the abutment groove 31 is matched with the top end of the glass ball 4 in the shape of a strip, the top end of the glass ball 4 contacts the groove wall of the abutment groove 31, the heating wire 5 is sleeved outside the glass ball 4, the heating wire 5 is made of nickel-chromium material, the surface of the heating wire 5 is coated with paint, and the paint prevents the heating wire from short-circuiting.The bottom end of the shell 1 is connected with the screw 6 with adjustable tightness, the adjustable tightness enables the screw 6 to adapt to different water pressures in cooperation with the spring, and ensures that the sealing cover 3 is pushed out, the bottom end of the shell 1 is provided with an opening, the opening is connected with the hollow end cover 7, the screw 6 is threadedly connected with the end cover 7 and contacts the bottom end of the glass ball 4 through the end cover 7, and the bottom end of the screw 6 is provided with the electrode fixing connecting port 61.
[0026] It should be noted that the circuit part of the device can be combined with the circuit of the underwater instrument equipment, without a special circuit board, before self-destruction, under the support of the spring and the glass ball 4, the sealing cover 3 is sealed below the elastic member mounting groove 17, to prevent water from entering the device from the upper water inlet 16, when the self-destruction program needs to be executed, the circuit is connected, the heating wire 5 is powered on to generate heat, when the generated heat reaches the temperature specified by the type of the glass ball 4, the liquid inside the glass ball 4 volatilizes and expands, the glass ball 4 explodes, at this time, the sealing cover 3 is pushed out along the sealing cover sliding groove 181 and loses the sealing effect, water enters the hollow structure and then enters the internal circuit equipment of the underwater instrument equipment, to short-circuit or corrode and damage the internal circuit equipment, to achieve the purpose of self-destruction.
[0027] Embodiment 2
[0028] This embodiment is an improvement based on embodiment 1, specifically, the shell 1 is made of plastic material, and the length of the water permeable port 11 is matched with the length of the heating wire 5, when the glass ball 4 does not explode in time in the event of an unexpected situation, the heating wire 5 will burn through the shell 1, the shell 1 is deformed, the sealing cover 3 loses the sealing effect, water enters the internal circuit equipment of the underwater instrument equipment, to short-circuit or corrode and damage the internal circuit equipment, to achieve the purpose of self-destruction.
[0029] It is to be noted that, as used in this document, the term "indicia" is intended to encompass any type of data, information, or other content, whether in the form of text, graphics, images, video, audio, or otherwise. It is to be further noted that, as used in this document, the terms "coupled" and "connected," along with derivatives thereof, can be used to mean one or more of the following: in electrical communication with; physically contacting with; interacting with; included with; attached to one or more other elements; or a combination thereof.
[0030] The preferred embodiments herein disclosed merely by way of examples can be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the application, and all such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the following claims.
Claims
1. A disposable self-destruct device for underwater instrumentation equipment, characterized in that, The utility model relates to a kind of underwater instrument equipment, including: Shell (1), shell (1) one end is equipped with water inlet (16) and the elastic piece installation groove (17) that is communicated with water inlet (16), shell (1) is equipped with elastic piece (2) in water inlet (16) one end sealing connection underwater instrument equipment, shell (1) side surface is equipped with water inlet (11), the water inlet (11) of shell (1) and the part below are placed in underwater instrument equipment inside, the position corresponding to the hollow structure of water inlet (11) in shell (1) is hollow structure, hollow structure is communicated with elastic piece installation groove (17), connection groove (18) is equipped in the junction of hollow structure and elastic piece installation groove (17), the size of connection groove (18) is less than the size of hollow structure, sealing cover (3) is placed in connection groove (18), the upper end of hollow structure is sealed, glass ball (4) is placed in hollow structure, glass ball (4) contains heated expansion volatile liquid, sealing cover (3) one end is connected with elastic piece (2), sealing cover (3) is equipped with the abutment groove (31) that is matched with the top shape of glass ball (4) on, the top of glass ball (4) contacts the groove wall of abutment groove (31), glass ball (4) is equipped with heating wire (5) outside, shell (1) bottom end is connected with the screwing screw (6) of loose adjustable, screwing screw (6) contacts the bottom end of glass ball (4), screwing screw (6) bottom end is equipped with wire electrode fixed connection port (61).
2. The disposable self-destruct device for underwater instrument equipment according to claim 1, characterized in that: Shell (1) is equipped with connecting part (12), connecting part (12) is located above water inlet (11), and shell (1) and underwater instrument equipment are connected by connecting part (12), and elastic piece installation groove (17) and elastic piece (2) are located inside connecting part (12).
3. The disposable self-destruct device for underwater instrument equipment according to claim 2, characterized in that: Two sealing grooves are equipped on the outer wall of water inlet (16) above connecting part (12), and first sealing ring (13) and second sealing ring (14) are placed in the two sealing grooves respectively, and first sealing ring (13) and second sealing ring (14) are sealed in the contact position of shell (1) and underwater instrument equipment.
4. The disposable self-destruct device for underwater instrument equipment according to claim 1, characterized in that: Sealing cover (3) is T-shaped, the shape size of the smaller size end outside sealing cover (3) is matched with the shape size of the inside of elastic piece installation groove (17), and the shape size of the larger size end outside sealing cover (3) is matched with the shape size of the inside of connection groove (18).
5. The disposable self-destruct device for underwater instrument equipment according to claim 4, characterized in that: Connection groove (18) includes sealing cover sealing groove (182) and sealing cover sliding groove (181), sealing cover sealing groove (182) is arranged close to elastic piece installation groove (17), the shape size of the larger size end outside sealing cover (3) is matched with the shape size of the inside of sealing cover sliding groove (181), and the size of sealing cover sealing groove (182) is between the size of elastic piece installation groove (17) and the size of sealing cover sliding groove (181), third sealing ring (15) is placed in sealing cover sealing groove (182), third sealing ring (15) seals sealing cover (3) and connection groove (18), to prevent water in elastic piece installation groove (17) from entering connection groove (18).
6. The disposable self-destruct device for underwater instrument equipment according to claim 5, characterized in that: Abutment groove (31) is equipped in the larger size end of sealing cover (3), and the top of glass ball (4) is columnar, and abutment groove (31) matches the top of glass ball (4) as long strip.
7. The disposable self-destruct device for underwater instrument equipment according to claim 1, characterized in that: The heating wire (5) is made of nickel-chromium material, and the surface of the heating wire (5) is coated with paint.
8. The disposable self-destruct device for underwater instrument equipment according to claim 1, characterized in that: The shell (1) is made of plastic.
9. The disposable self-destruct device for underwater instrument equipment according to claim 1, characterized in that: The bottom end of the shell (1) is open, and the hollow end cover (7) is connected to the opening, the tightening screw (6) is threadedly connected with the end cover (7), and passes through the end cover (7) to contact the bottom end of the glass ball (4).
10. The disposable self-destruct device for underwater instrument equipment according to claim 1, characterized in that: The length of the water permeable opening (11) matches the length of the heating wire (5).