Adapter gas energized boost device
By installing a gas-excitation booster device on the adapter, a high-pressure gas jet is generated using a spring mechanism and an electromagnetic power source to store energy. This solves the problem of inaccurate landing point after adapter separation and enables a safe and reliable launch process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING RESEARCH INSTITUTE OF MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD CAM
- Filing Date
- 2023-11-27
- Publication Date
- 2026-06-19
Smart Images

Figure CN117663901B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of rocket, missile and other weapon launch, and specifically to adapter thrust enhancement devices. Background Technology
[0002] In the launch of rockets, missiles, and other weapons, multiple adapters are used to match and connect the missile body to the launch container; during launch, each adapter separates and scatters after the missile body leaves the container. Adapter-based launch is a mature and widely used technology in rockets, missiles, and other equipment.
[0003] During launch, the adapters are arranged inside the launch box, supporting and enveloping the projectile, and derailing along with it as the projectile is launched. At the moment of derailment at the launch box opening, each adapter is rapidly ejected and separated from the projectile by its internal spring, creating a separation distance and fulfilling the adapter's primary functions of support, launch, and separation. Subsequently, the adapters are affected by gravity, air resistance, wind resistance, and gas loads, changing their motion until they land, completing the entire motion process.
[0004] The adapter separation process requires rapid separation to avoid interference with the subsequently moving projectile. Regarding the landing point after adapter separation, all adapters must land in front of the launch point to avoid collisions with equipment and personnel on the launch platform, thus preventing safety accidents. Previous research and practice on adapter landing points have shown instances where adapters landed behind the launch point, failing to meet safe launch requirements.
[0005] Based on the completed launch tests, the adapter's motion was further investigated. Analysis revealed that the adapter landed behind the launch point because, after separation, it was swept and impacted by the exhaust plume of the subsequently moving projectile booster. Due to the high impact pressure of the exhaust flow field, this affected the adapter's forward motion and landing distance to varying degrees. In the worst-case scenario, the exhaust flow field fully impacted the adapter, causing it to reverse its forward motion until it landed behind the launch point. Rapid adapter separation, increasing the separation distance, and avoiding exhaust flow impact can effectively solve the adapter's forward landing problem. Calculations showed that if the adapter separation distance is large enough to completely avoid impact, a forward landing distance of no less than 30 meters can be achieved. Summary of the Invention
[0006] The purpose of this invention is to provide an adapter gas excitation booster device. During the launch process, the adapter utilizes the adapter gas excitation booster device to achieve a booster effect during the separation process, so as to meet the requirements of safe separation and landing point dispersion.
[0007] To achieve the objective of this invention, the adapter gas excitation booster device provided by this invention adopts the following technical solution:
[0008] The thrust-boosting device includes an adapter body and a spring mechanism. The spring mechanism is used to compress the spring and release the adapter after it leaves the housing, thus ejecting the adapter in the opposite direction to the projectile. It is characterized by further including: an electromagnetic power supply, electrical components, and a thruster. The thruster consists of a gas chamber and a gas generating unit. The power supply line of the electrical components is first connected to the spring mechanism, on which an on / off contact switch is installed. The power supply line then extends to the igniter of the propellant in the gas generating unit. When the adapter body slides, it drives the electromagnetic power supply to generate electrical energy, which is quickly stored in the capacitor of the electrical components. After the spring mechanism releases the compression spring, the contact switch is activated, and the capacitor quickly discharges to form a starting current. The gas generating unit is then powered on, generating high-pressure gas in the gas chamber. The gas forms a jet through a contraction and expansion nozzle, generating thrust. The gas generating unit contains a nitrogen-rich compound propellant, and its housing is fixedly installed at the top of the gas chamber.
[0009] Furthermore, it also includes a roller assembly, which consists of a drive wheel and a support wheel. The drive wheel is installed at the front of the adapter body and is used to generate rolling rotation when the adapter slides in the face of the box slide rail to provide torque kinetic energy. The support wheel is installed in parallel with the drive wheel to form a two-point balanced support with the drive wheel.
[0010] Furthermore, the electromagnetic power supply is connected in series with the drive wheel and is connected to the drive wheel through a gear set. After the drive wheel rotates, the drive wheel rotates proportionally. When the electromagnetic power supply generates a rotational speed, it generates an AC voltage. The electrical component circuit is connected to the electromagnetic power supply and receives the power current after the roller set moves. The energy is stored in the electrical component through a capacitor.
[0011] Furthermore, it also includes a device mounting bracket, which is installed on the front half of the adapter body and is used to install and fix the roller assembly shaft, the electromagnetic power supply shaft, and electrical components.
[0012] Furthermore, a mechanism compression spring is installed at the top of the device mounting bracket. By adjusting the compression amount of the mechanism compression spring, the installation position of the device mounting bracket can be finely adjusted to achieve reliable contact between the roller assembly and the slide rail.
[0013] Furthermore,
[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0015] During adapter launch and separation, this invention, in addition to the separation distance generated by spring release, further increases the adapter separation distance by adding a gas-excitation thrust-enhancing device. This ensures the adapter is far from the gas flow field before impacting the adapter, thus achieving the requirement of a large forward landing distance. During launch, the invention creatively utilizes the adapter guide rail's sliding self-generating, energy-storing, and rapid-discharge design. It uses nitrogen-rich compounds (pentaaminotetrazole, sodium azide, etc.) to generate medium- and high-pressure expanding gases, which are then used to form a jet thrust through a Laval nozzle, accelerating the adapter. This invention avoids or reduces the impact of the projectile's gas flow field on the adapter, effectively solving the problem of the adapter's backward landing point. This design can also be applied to other separation components in rocket and missile launches to instantly increase separation speed and control separation direction. The thrust-enhancing device is an independent working unit, requiring no external power supply or other support conditions, and can be adapted to various launch boxes and launch devices. Attached Figure Description
[0016] The accompanying drawings, which form part of this specification, are provided to further illustrate embodiments of the invention and, together with the textual description, explain the principles of the invention. It is obvious that the drawings described below are merely some embodiments of the invention, and those skilled in the art can obtain other drawings based on these drawings without any creative effort.
[0017] Figure 1 Schematic diagram of the adapter body structure;
[0018] Figure 2 This is a schematic diagram of the adapter gas excitation booster device provided in an embodiment of the present invention;
[0019] Figure 3 A flowchart illustrating the startup process of the adapter gas excitation booster device provided in this embodiment of the invention;
[0020] Figure 4 The diagram shows the launch separation test of the adapter gas excitation booster device provided by this invention.
[0021] The above figures include the following reference numerals:
[0022] 1. Electrical components; 2. Mechanism compression spring; 3. Device mounting bracket; 4. Electromagnetic power supply; 5. Drive wheel; 6. Support wheel; 7. Gas chamber; 8. Spring mechanism; 9. Gas generating unit; 10. Adapter body. Detailed Implementation
[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. 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 a part of the embodiments of the present invention, and not all of them. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0024] The adapter gas excitation booster device provided in this embodiment of the invention, in such a way... Figure 1 The adapter body 10 shown is an improvement upon the existing technology. Compared with the prior art, the booster device, in addition to the adapter body 10 and the spring mechanism 8, also includes an electrical component 1, a mechanism compression spring 2, a device mounting bracket 3, an electromagnetic power supply 4, a drive wheel 5, a support wheel 6, a gas chamber 7, and a gas generating unit 9. See details below. Figure 2 The main problems to be solved are as follows:
[0025] 1) The booster unit utilizes a sliding mechanism within the adapter box to drive an electromagnetic power source, generating electrical energy which is rapidly stored in a capacitor. After the adapter is disconnected, the booster unit is activated, causing the capacitor to discharge rapidly and generate a starting current, thus achieving a self-generating and self-starting independent working unit. This solution requires no modification to the original launch device design and no additional power supply or other support conditions, and can be applied to existing launch devices.
[0026] 2) After the adapter separates, the booster device is quickly activated and released to form an effective jet thrust, thereby achieving the effect of boosting and accelerating the adapter's movement, increasing the separation distance by more than double, avoiding the impact of the gas flow field, and effectively solving the problem of the adapter's landing point.
[0027] like Figure 2 As shown, the adapter body 10 is made of rigid foam material. The support surface 101 is used to support the projectile inside the launch box. The slide rail mating surface 102 mates with the slide rail of the launch box and slides out of the box with the projectile after sliding.
[0028] The spring mechanism 8 is used to compress the spring and release the adapter after it leaves the box, thus ejecting the adapter in the opposite direction to the action of the ejector body. The spring mechanism 8 is installed at the center of the adapter body 10.
[0029] The roller assembly consists of a drive roller 5 and a support roller 6. The drive roller 5 is installed at the front of the adapter body 10 and is used to generate a rolling rotation effect when the adapter slides forward on the box slide rail mating surface 102, thereby providing torque kinetic energy. The support roller 6 is installed in parallel with the drive roller 5 to form a two-point balanced support with the drive roller 5.
[0030] The electromagnetic power supply 4 is connected in series with the drive wheel 5 and is connected to the drive wheel 5 through a gear set. After the drive wheel 5 rotates, the electromagnetic power supply 4 rotates with the drive wheel. When the electromagnetic power supply 4 generates a rotational speed, it generates an AC voltage (electrical energy), which is expected to be 12V to 20V.
[0031] The device mounting bracket 3 is installed on the front half of the adapter body 10. It is a mounting structure bracket used to install and fix the roller assembly shaft, electromagnetic power supply shaft, and electrical components.
[0032] The mechanism compression spring 2 is installed on the top of the device mounting frame 3. By adjusting the compression amount of the mechanism compression spring 2, the installation position of the device mounting frame 3 can be finely adjusted to achieve reliable contact between the roller assembly and the slide rail, and smooth rolling.
[0033] The thruster consists of a gas chamber 7 and a gas generating unit 9. The gas chamber 7 is fixedly installed in the rear half of the adapter body 10, with the nozzle jet directed towards the projectile to generate thrust and accelerate the separation motion of the adapter body 10. The gas generating unit 9 has a housing containing a nitrogen-rich, aminotetrazole-free propellant. The housing is fixedly installed at the top of the gas chamber 7. After the propellant is activated by an electric current, it generates expanding gas, forming a jet within the gas chamber 7. Specifically, the gas generating unit 9 in the thruster generates medium-high pressure gas (8MPa–20MPa) in the gas chamber 7 via electric ignition. The gas then forms a jet through a contraction-expansion nozzle (Laval nozzle) to generate thrust. The activation device operates for no more than 200ms, with an effective thrust duration of 70ms–100ms.
[0034] Electrical component 1 is mounted on the upper end of the device mounting bracket 3. The circuit is connected to the electromagnetic power supply 4, which receives the power current after the roller assembly moves and stores the energy in the electrical component 1 through a capacitor. The power supply output line first connects to the adapter spring mechanism 8, which is equipped with an on / off contact switch. The power supply line then extends to the agent igniter of the gas generating unit 9. After the spring mechanism 8 releases the pressure spring, the contact switch is turned on, the gas generating unit 9 (igniter) is powered on, and the gas generating unit 9 starts working.
[0035] The specific use of the adapter gas excitation booster device of the present invention includes the following steps:
[0036] Step 1) Loading
[0037] During testing and training, the on / off switches of the electrical components on the booster device are disconnected, the circuit is open, the equipment is in a "silent" state, and the projectile loading is the same as the general adapter operation procedure.
[0038] When the ammunition box is switched to mission duty (combat status), after the adapter is inserted into the box, the on / off switch in the electrical components is turned on. During the loading process, the roller assembly slides, energizing the electromagnetic power supply, and the status indicator light will illuminate, indicating that the product is in working condition and reminding users to operate with caution. After loading is complete, the device is stored statically, and the capacitor circuit discharges normally. After discharge, the electrical components are de-energized and can be stored safely.
[0039] Step 2) Launch
[0040] During missile launch, the adapter slides a certain distance on the launch box rail to the launch box port. The roller assembly in the thrust-enhancing device utilizes the adapter's sliding motion on the rail to generate rotation. This rotation, via a gear set, speeds up the rotating shaft connected to an electromagnetic power source, causing it to rotate at high speed and generate rotational magnetic induction energy (voltage). Capacitors in the electrical components store electrical energy to meet the 1.2A starting current requirement of the gas generation unit in the thruster. After the adapter releases at the launch box port, the separation spring mechanism actuates, generating a release stroke. This displacement connects the electrical components to the thruster's starting circuit, creating a circuit. Current then activates the gas generation unit, producing expanding gas, which is stored in the gas chamber and released. The gas propulsion force generated by the Laval valve propels the adapter in a set vector direction, increasing its speed beyond the initial spring separation velocity, resulting in a greater separation distance. The workflow is described below. Figure 3 The effect of boosting separation is shown in Figure 4 .
[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention 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 of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. An adapter gas-activated booster device, comprising an adapter body (10) and a spring mechanism (8), wherein the spring mechanism (8) is used to compress the spring release stroke after the adapter leaves the box, and acts in the opposite direction to eject the adapter, characterized in that, Also includes: The electromagnetic power supply (4), electrical components, and thruster are composed of a gas chamber (7) and a gas generating unit (9). The power supply line of the electrical components is first connected to the spring mechanism (8). An on / off contact switch is set on the spring mechanism (8). The power supply line then extends to the agent igniter of the gas generating unit (9). When the adapter body (10) slides, it drives the electromagnetic power supply (4) to generate electrical energy, which is quickly stored in the capacitor of the electrical components. After the spring mechanism (8) releases the pressure spring, the contact switch is turned on, the capacitor discharges quickly to form a starting current, the gas generating unit (9) is powered on, and high-pressure gas is generated in the gas chamber (7). The gas forms a jet by contracting and expanding the nozzle to generate thrust. The gas generating unit (9) contains a nitrogen-rich compound agent.
2. An adapter gas boost device according to claim 1, wherein, It also includes a roller assembly, which consists of a drive wheel (5) and a support wheel (6). The drive wheel (5) is installed at the front of the adapter body (10) and is used to generate rolling rotation when the adapter slides forward on the sliding surface (102) of the box slide rail to provide torque kinetic energy. The support wheel (6) is installed in parallel with the drive wheel (5) to form a two-point balanced support with the drive wheel (5).
3. The adapter gas excitation booster device according to claim 2, characterized in that, The electromagnetic power supply (4) is connected in series with the drive wheel (5) and connected to the drive wheel (5) through a gear set. After the drive wheel (5) rotates, it rotates with the drive wheel. When the electromagnetic power supply (4) generates a rotational speed, it generates an AC voltage. The electrical component (1) is connected to the electromagnetic power supply (4) and receives the power current after the roller set moves. The energy is stored in the electrical component (1) through a capacitor.
4. An adapter gas boost device according to claim 3, wherein, It also includes a device mounting bracket (3), which is installed on the front half of the adapter body (10) and is used to install and fix the roller assembly shaft, the electromagnetic power supply shaft, and electrical components.
5. An adapter gas boost device according to claim 4, wherein, The mechanism compression spring (2) is installed on the top of the device mounting bracket (3). By adjusting the compression amount of the mechanism compression spring (2), the installation position of the device mounting bracket (3) can be finely adjusted to achieve reliable contact between the roller assembly and the slide rail.