A multiple ignition device for airborne infrared radiation sources

Abstract

The present application relates to the technical field of airborne ignition device, and particularly relates to a multiple ignition device for mounting an infrared radiation source in the air, which comprises a motor, a rotating disc, a plurality of chemical energy propellants and a containing bin. The motor is installed on a substrate for mounting the infrared radiation source through a mounting seat. One end of the rotating disc is connected with a driving shaft of the motor and can rotate with the driving shaft. The plurality of chemical energy propellants are installed on the other end of the rotating disc and are uniformly and spacedly arranged around the axis of the rotating disc. The containing bin is installed on the substrate, the rotating disc is located in the containing bin and can rotate relative to the containing bin, one of the plurality of chemical energy propellants is located at an ignition position outside the containing bin, and the other chemical energy propellants are located in the containing bin. After one ignition, the motor drives the rotating disc to rotate, so that the other unused chemical energy propellant rotates to the ignition position and waits for the next ignition instruction. The structure is simple, the cost is low, the weight increase is within an acceptable range, and multiple ignitions can be realized.

Description

Technical Field

[0001] This invention relates to the field of airborne ignition devices, and more particularly to a multiple ignition device for an airborne infrared radiation source. Background Technology

[0002] An airborne radiation source typically refers to a source that emits energy by converting chemical energy into thermal energy. When the emissivity of the radiation source material is close to that of a blackbody, it can be considered a blackbody furnace for calibrating and testing various radiation thermometers. However, in practical applications (such as in the air), due to lengthy preparation time, cumbersome application procedures for surrounding areas, limited testing time (due to local airspace coordination), variable field environments, the need for seamless coordination among multiple devices and personnel, and unforeseen circumstances, multiple uses of the radiation source are often required for experiments. Existing mounted infrared radiation source devices can only achieve one ignition, requiring replacement of the propellant on the ground after ignition. This operation is complex, and because the chemical energy propellant burns at high temperatures and has excellent heat retention, the replacement cycle on the ground is long, affecting experimental efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide a multiple ignition device for an airborne infrared radiation source, thereby solving at least one technical problem existing in the background art.

[0004] To achieve the above objectives, the present invention provides a multiple-ignition device for an airborne infrared radiation source, characterized in that it comprises:

[0005] The motor is mounted on a base plate that holds an infrared radiation source via a mounting bracket;

[0006] The turntable is connected to the drive shaft of the motor at one end and can rotate with the drive shaft;

[0007] Multiple chemical energy columns are installed at the other end of the turntable and are evenly spaced around the axis of the turntable;

[0008] The container is mounted on the base plate, and the turntable is located inside the container and can rotate relative to the container. One of the multiple chemical energy propellant columns is located at the ignition position outside the container, while the other chemical energy propellant columns are located inside the container.

[0009] Optionally, the turntable is connected to the drive shaft via a rotating spindle.

[0010] Optionally, a driven gear is fitted on the rotating main shaft, and a drive gear is provided at the front end of the drive shaft, with the drive gear meshing with the driven gear for transmission.

[0011] Optionally, the rotating spindle is also provided with a bearing, which is mounted on the base plate via a bearing housing.

[0012] Optionally, the multiple ignition device also includes a mounting plate, and both the bearing housing and the mounting base are mounted on the base plate via the mounting plate.

[0013] Alternatively, the turntable can serve as a side panel of the container.

[0014] Optionally, the bottom plate of the receiving compartment and the two side plates of the receiving compartment adjacent to the turntable are smoothly connected to form an arc-shaped receiving compartment that matches the turntable.

[0015] Optionally, the mounting base is L-shaped and includes two intersecting plates. One plate has a through hole, on which the motor is fixed and the drive shaft passes through. The other plate is mounted on the substrate.

[0016] The above-described technical solution of the present invention has the following advantages:

[0017] This invention provides a multiple ignition device for an airborne infrared radiation source, comprising a motor, a turntable, multiple chemical propellant charges, and a receiving chamber. The motor is mounted on a base plate on which the infrared radiation source is mounted via a mounting bracket. One end of the turntable is connected to the motor's drive shaft and can rotate with the drive shaft. Multiple chemical propellant charges are mounted on the other end of the turntable and are evenly spaced around the turntable's axis. The receiving chamber is mounted on the base plate, and the turntable is located inside the receiving chamber and can rotate relative to it. One of the multiple chemical propellant charges is located at the ignition position outside the receiving chamber, while the other chemical propellant charges are located inside the receiving chamber. After one ignition, the motor drives the turntable to rotate, causing one of the remaining unused chemical propellant charges to rotate to the ignition position, awaiting the next ignition command. This structure is simple, low-cost, and the increase in weight is within an acceptable range. It enables multiple ignitions, solving the problems of long time cycles, cumbersome replacement operations, and reduced experimental efficiency associated with previous methods requiring multiple returns to the ground to replace infrared radiation source equipment. Attached Figure Description

[0018] The accompanying drawings are provided for illustrative purposes only, and the proportions and quantities of the components in the drawings may not be consistent with the actual product.

[0019] Figure 1 This is a schematic diagram of the structure of a multiple ignition device for an airborne infrared radiation source in an embodiment of the present invention.

[0020] Figure 2 yes Figure 1 A schematic diagram of a multi-ignition device with half of its shaft cut off along the motor axis.

[0021] In the picture:

[0022] 1: Substrate

[0023] 2: Motor;

[0024] 21: Mounting bracket;

[0025] 22: Drive gear;

[0026] 3: Turntable;

[0027] 4: Chemical energy propellant column;

[0028] 5: Storage compartment;

[0029] 6: Rotate the spindle;

[0030] 61: Driven gear;

[0031] 62: Bearing;

[0032] 63: Bearing housing;

[0033] 7: Mounting plate. Detailed Implementation

[0034] 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 embodiments of the present invention, not all embodiments. 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.

[0035] like Figure 1 and Figure 2 As shown in the embodiment of the present invention, a multiple ignition device for an airborne infrared radiation source includes a motor 2, a turntable 3, multiple chemical propellant charges 4, and a receiving chamber 5. The motor 2 is mounted on a base plate 1 on which the infrared radiation source is mounted via a mounting base 21. One end of the turntable 3 is connected to the drive shaft of the motor 2 and can rotate with the drive shaft. Multiple chemical propellant charges 4 are mounted on the other end of the turntable 3 and are evenly spaced around the axis of the turntable 3. The receiving chamber 5 is mounted on the base plate 1, and the turntable 3 is located inside the receiving chamber 5 and can rotate relative to the receiving chamber 5. One of the multiple chemical propellant charges 4 is located at the ignition position outside the receiving chamber 5, while the other chemical propellant charges 4 are located inside the receiving chamber 5.

[0036] In operation, one chemical propellant grain 4 is in the ignition position. Ignition is achieved directly when needed. After ignition, the motor 2 drives the wheel 3 to rotate, causing another unused chemical propellant grain 4 to rotate to the ignition position, awaiting the next ignition command. This structure is simple, low-cost, and the increase in weight is within an acceptable range. It enables multiple ignitions, solving the problems of long time cycles, cumbersome replacement operations, and unstable return status that previously required multiple returns to the ground for infrared radiation source equipment replacement by aircraft.

[0037] It should be noted that the chemical energy propellant 4 and how to use the chemical energy propellant 4 for ignition are existing technologies and will not be elaborated here.

[0038] In one specific embodiment, three chemical energy propellant columns 4 are provided to achieve three ignitions. After each ignition, the motor 2 drives the turntable 3 to rotate 120°, which prepares for the next ignition.

[0039] In one example, the turntable 3 is connected to the drive shaft of the motor 2 via a rotating spindle 6. Preferably, a driven gear 61 is fitted on the rotating spindle 6, and a drive gear 22 is provided at the front end of the drive shaft. The drive gear 22 meshes with the driven gear 61 for transmission, achieving good braking with a simple structure.

[0040] To provide stable support for the rotating spindle, see [link / reference]. Figure 2 As shown, in one example, the rotating spindle 6 is also provided with a bearing 62, which is mounted on the base plate 1 via a bearing seat 63.

[0041] To further simplify the structure and reduce weight, see one example. Figure 1 and Figure 2 As shown, the turntable 3 serves as one side plate of the receiving chamber 5. Preferably, the bottom plate of the receiving chamber 5 and the two side plates of the receiving chamber 5 adjacent to the turntable 3 are smoothly connected to form an arc-shaped receiving chamber that matches the circumferential contour of the turntable 3.

[0042] Similarly, in order to minimize weight, in one example, the mounting base 21 is L-shaped and includes two intersecting plates. One plate has a through hole on it, the motor 2 is fixed to the plate and the drive shaft passes through the through hole, and the other plate is mounted on the substrate 1.

[0043] To enable modular installation and disassembly, in one example, the multiple ignition device also includes a mounting plate 7, and the bearing housing 63 and the mounting base 21 are both mounted on the base plate 1 via the mounting plate 7, thus enabling modular installation.

[0044] 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 not every embodiment contains only one independent technical solution, and in the absence of conflict between solutions, the various technical features mentioned in each embodiment can be combined in any way to form other implementation methods that can be understood by those skilled in the art.

[0045] Furthermore, without departing from the scope of the present invention, modifications to the technical solutions described in the foregoing embodiments, or equivalent substitutions of some of the technical features, shall 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. A multiple-ignition device for an airborne infrared radiation source, characterized in that, include: The motor is mounted on a base plate that holds an infrared radiation source via a mounting bracket; The turntable is connected at one end to the drive shaft of the motor and can rotate with the drive shaft; Multiple chemical energy columns are installed at the other end of the turntable and are evenly spaced around the axis of the turntable; A receiving chamber is mounted on the base plate, the turntable is located inside the receiving chamber and can rotate relative to the receiving chamber, one of the plurality of chemical energy propellant columns is located at the ignition position outside the receiving chamber, and the other chemical energy propellant columns are located inside the receiving chamber; The turntable serves as a side panel of the receiving compartment; The bottom plate of the receiving compartment and the two side plates of the receiving compartment adjacent to the turntable are smoothly connected to form an arc-shaped receiving compartment that matches the turntable.

2. The multiple ignition device according to claim 1, characterized in that: The turntable is connected to the drive shaft via a rotating spindle.

3. The multiple ignition device according to claim 2, characterized in that: A driven gear is fitted on the rotating main shaft, and a drive gear is provided at the front end of the drive shaft. The drive gear meshes with the driven gear for transmission.

4. The multiple ignition device according to claim 2 or 3, characterized in that: The rotating spindle is also equipped with a bearing, which is mounted on the base plate via a bearing housing.

5. The multiple ignition device according to claim 4, characterized in that: It also includes a mounting plate, and both the bearing housing and the mounting base are mounted on the base plate via the mounting plate.

6. The multiple ignition device according to claim 1, characterized in that: The mounting base is L-shaped and includes two intersecting and connected plates. One of the plates has a through hole, on which the motor is fixed and the drive shaft passes through. The other plate is mounted on the substrate.

Images