CN215639077U - Carbon fiber target plate and thermal imaging target - Google Patents

Abstract

The utility model provides a carbon fiber target plate which comprises a first PVC plate, a carbon fiber heating layer and a second PVC plate, wherein the first PVC plate is a carbon fiber heating layer; the carbon fiber target plate is formed by laminating the upper and lower structures of the first PVC plate, the carbon fiber heating layer and the second PVC plate; the carbon fiber heating layer comprises a conductive copper bar and a plurality of carbon fiber wires, the carbon fiber wires are arranged in parallel at preset intervals, and two opposite ends of each carbon fiber wire are connected to the conductive copper bar in an overlapping mode. The carbon fiber target plate provided by the utility model solves the problem of night shooting training, and simultaneously, the carbon fiber wires are arranged in parallel and the two ends of the carbon fiber wires can receive current from the conductive copper bars, so that the carbon fiber wires are favorably ensured to be uniformly heated, the normal heating of other carbon fiber wires is not influenced even if any carbon fiber wire is broken, and the service life of the carbon fiber target plate is favorably prolonged.

Description

Carbon fiber target plate and thermal imaging target

Technical Field

The utility model relates to the technical field of electronics, in particular to a carbon fiber target plate and a thermal imaging target.

Background

In order to solve the problem of night shooting training, the prior art mainly adopts a thermal imaging target. However, the existing thermal imaging target mainly adopts a heating resistance wire or a silver wire to emit light and heat, the heating resistance wire or the silver wire is too long, so that the thermal imaging target is unevenly heated, the heating resistance wire or the silver wire is easily broken, the thermal imaging target can not be used any more after being broken, the service life of the thermal imaging target is short, and the cost of a training team is increased. In addition, the conventional thermal imaging target is connected with the mains supply, and when the thermal imaging target is used in the field, the normal work of the thermal imaging target in the electrifying mode cannot be guaranteed due to the complex field environment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a carbon fiber target plate and a thermal imaging target, which are used for solving the problems of uneven heating, short service life and night shooting training of the conventional thermal imaging target.

The utility model is realized in such a way that a carbon fiber target plate comprises:

the first PVC plate, the carbon fiber heating layer and the second PVC plate;

the carbon fiber target plate is formed by laminating the upper and lower structures of a first PVC plate 10, a carbon fiber heating layer 20 and a second PVC plate 30;

the carbon fiber heating layer comprises a conductive copper bar and a plurality of carbon fiber wires, the carbon fiber wires are arranged in parallel at preset intervals, and two opposite ends of each carbon fiber wire are connected to the conductive copper bar in an overlapping mode.

Optionally, the first PVC plate, the carbon fiber heating layer, and the second PVC plate are formed by pressing using an ultrasonic pressing plate technology.

Optionally, the ultrasonic platen technique has an ultrasonic frequency range of 26k to 29 k.

Optionally, the carbon fiber heating layer comprises two layers of non-woven fabrics and one layer of carbon fiber non-woven fabric, the carbon fiber non-woven fabric is positioned between the two layers of non-woven fabrics, and the carbon fiber heating layer is obtained after pressing;

the conductive copper strips and the carbon fiber wires are located on the carbon fiber non-woven fabric.

Optionally, the conductive copper strips and the carbon fiber yarns are embedded into a fiber material in a needling process to obtain the carbon fiber non-woven fabric.

Optionally, the width of the conductive copper strip is 8 to 12 millimeters.

Optionally, the preset interval is 1.5 to 2.5 centimeters.

Optionally, the carbon fiber filaments have a length of 15 to 25 centimeters.

Optionally, the carbon fiber filaments have a gauge of 3K, a tensile strength of 3500MPa, a resistivity of 1.5 x 10-3 ohm-cm, a resistance of 150 ohm per meter, an elongation of 1.9%, and a density of 1.81 g/cc.

A thermal imaging target comprising a base, a mounting bracket, and a carbon fiber target plate as described above;

the carbon fiber target plate is positioned right above the mounting bracket;

the base comprises a battery slot, and the conductive copper strip of the carbon fiber target plate receives a current signal from a battery in the battery slot.

The carbon fiber target plate provided by the utility model comprises a first PVC plate, a carbon fiber heating layer and a second PVC plate; the carbon fiber target plate is formed by laminating the first PVC plate, the carbon fiber heating layer and the second PVC plate; the carbon fiber heating layer comprises a conductive copper bar and a plurality of carbon fiber wires, the carbon fiber wires are arranged in parallel at preset intervals, and two opposite ends of each carbon fiber wire are connected to the conductive copper bar in an overlapping mode. The carbon fiber target plate solves the problem of night shooting training, and simultaneously, the carbon fiber wires are arranged in parallel and the two ends of the carbon fiber wires can receive current from the conductive copper bars, so that the carbon fiber wires are favorably ensured to be uniformly heated, normal heating of other carbon fiber wires is not influenced even if any carbon fiber wire is broken, and the service life of the carbon fiber target plate is favorably prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural view of a carbon fiber target plate provided in accordance with an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a carbon fiber heating layer according to an embodiment of the present invention;

fig. 3 is a schematic layout view of conductive copper bars, carbon fiber wires, and fiber materials according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a thermal imaging target according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In order to solve the problem of night shooting training, the utility model provides a carbon fiber target plate which is manufactured by arranging a carbon fiber heating layer in a first PVC plate and a second PVC plate and then pressing; the carbon fiber heating plate comprises a carbon fiber heating layer, wherein the carbon fiber heating layer comprises a conductive copper strip and a plurality of carbon fiber wires, the carbon fiber wires are arranged in parallel at preset intervals, two opposite ends of the carbon fiber wires are connected to the conductive copper strip in an overlapped mode, the carbon fiber wires are guaranteed to be uniform in heating, mutual noninterference among the carbon fiber wires is guaranteed, and the service life of the carbon fiber target plate is effectively prolonged.

In an embodiment of the present invention, the carbon fiber target plate 10 includes:

a first PVC plate 101, a carbon fiber heating layer 102 and a second PVC plate 103;

the carbon fiber target plate 10 is formed by laminating the upper and lower structures of a first PVC plate 101, a carbon fiber heating layer 102 and a second PVC plate 103;

the carbon fiber heating layer 102 comprises a conductive copper bar 21 and a plurality of carbon fiber wires 22, the carbon fiber wires 22 are arranged in parallel at preset intervals, and two opposite ends of the carbon fiber wires 22 are connected to the conductive copper bar 21 in an overlapping mode.

As shown in fig. 1, in the present embodiment, the first PVC plate 101 and the second PVC plate 103 are PVC plates made of the same material and are respectively used as the surface and the bottom of the carbon fiber target plate 10. The carbon fiber heating layer 102 is arranged between the first PVC plate 101 and the second PVC plate 103. When the carbon fiber target plate 10 is prepared, the carbon fiber heating layer 102 is firstly fixed on the second PVC plate 103 as required, then the first PVC plate 101 is covered, and the two PVC plates and the carbon fiber heating layer 102 are tightly pressed by adopting an ultrasonic pressing plate technology, so that the carbon fiber target plate 10 is obtained. Compare in adopting binders such as glue to bond two-layer PVC board, this embodiment adopts the supersound clamp plate technique, can effectively avoid two-layer PVC board to split or the binder to generate heat because of carbon fiber generates heat the problem that layer 102 melts, has improved the off-the-shelf compactness of target plate. Optionally, the ultrasonic platen technology has an ultrasonic frequency in the range of 26K to 29K, preferably 28.7K.

As shown in fig. 2, in this embodiment, the carbon fiber heating layer 102 includes two layers of non-woven fabrics a and one layer of carbon fiber non-woven fabric B, and the carbon fiber non-woven fabric B is located between the two layers of non-woven fabrics a, and is pressed to obtain the carbon fiber heating layer 102; the conductive copper strips 21 and the carbon fiber wires 22 are positioned on the carbon fiber non-woven fabric B. Specifically, the conductive copper bar 21 and the carbon fiber wire 22 are embedded into the fiber material in a needling process to obtain the carbonA fibrous nonwoven fabric. Alternatively, the fiber material includes, but is not limited to, polyester fiber and/or polyester fiber, and the carbon fiber nonwoven fabric is actually a special nonwoven fabric. Optionally, the carbon fiber yarn has a gauge of 3K, a tensile strength of 3500MPa, and a resistivity of 1.5 x 10^-3Ohm-cm, resistance 150 ohm per meter, elongation 1.9%, density 1.81 g/cc.

Fig. 3 is a schematic layout diagram of the conductive copper bar 21, the carbon fiber filament 22, and the fiber material. Wherein 21 represents a conductive copper bar, 22 represents a carbon fiber wire, and the rest is made of fiber materials. The carbon fiber heating layer 102 woven from the machine is strip-shaped, the left side and the right side are both provided with the mutually parallel conductive copper strips 21, the carbon fiber wires 22 are arranged in parallel, and two ends of the carbon fiber wires are respectively lapped on the conductive copper strips 21 at two sides. In order to ensure that the conductive copper bars 21 are still normally conductive in case of breakdown, the width of the conductive copper bars 21 is 8 to 12 mm, preferably 10 mm, to cover the broken aperture.

The carbon fiber filaments 22 generate heat by conduction when an electric current, preferably 24V direct current, is passed through the conductive copper strips 21. The denser the carbon fiber filaments 22, the larger the overall calorific value, the sparser the carbon fiber filaments 22, and the smaller the overall calorific value, which may not be seen. Therefore, in the present embodiment, the predetermined interval between the carbon fiber filaments 22 is 1.5 to 2.5 cm, preferably 2 cm, so that the heat generation temperature is maintained between 30 ℃ and 56 ℃. In practical applications, the portions of the two ends of the carbon fiber filament 22 close to the conductive copper bar 21 are easy to conduct electricity and generate heat, while the middle portion is far away from the conductive copper bar 21, so as to improve the heat generation uniformity of the carbon fiber filament 22, in this embodiment, the length of the carbon fiber filament is 15 to 25 cm, preferably 20 cm.

In the embodiment, the target plate is made of the carbon fiber wires 22 and the conductive copper strips 21, so that night shooting can be realized; wherein carbon fiber 22 parallel arrangement and both ends overlap joint on electrically conductive copper bar 21, even arbitrary carbon fiber is broken and does not influence the normal generating heat of other carbon fiber even, and the width of electrically conductive copper bar 21 covers the aperture that is punctured to guaranteed the normal electrically conductive of target board, improved the life of target board, reduced the cost of night shooting training effectively.

The present embodiment also provides a thermal imaging target comprising a base 20, a mounting bracket 30, and a carbon fiber target plate 10 as described above;

the carbon fiber target plate 10 is positioned right above the mounting bracket 30;

the base 20 includes a battery slot, and the conductive copper bars 21 of the carbon fiber target board 10 receive current signals from the batteries in the battery slot.

Alternatively, two connectors may be extended from the conductive copper strip 21 of the carbon fiber target board 10 to connect to the positive and negative electrodes of the battery slot of the base 20, respectively, so as to electrically connect the carbon fiber target board 10 and the battery. In this embodiment, when the thermal imaging target is powered by a battery, the power is preferably 24V dc. When the thermal imaging target is used in the field, power supply equipment does not need to be searched, the applicability of the thermal imaging target plate in the external environment is effectively improved, and the thermal imaging target can be ensured to be normally electrified to work in any complex field environment.

It should be understood that the above functional mode is only one embodiment of the present invention, and is not intended to limit the present invention. In other embodiments, the function mode specific control logic may also be set according to actual needs.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. A carbon fiber target plate, comprising:

the first PVC plate, the carbon fiber heating layer and the second PVC plate;

the carbon fiber target plate is formed by laminating the upper and lower structures of the first PVC plate, the carbon fiber heating layer and the second PVC plate;

the carbon fiber heating layer comprises a conductive copper bar and a plurality of carbon fiber wires, the carbon fiber wires are arranged in parallel at preset intervals, and two opposite ends of each carbon fiber wire are connected to the conductive copper bar in an overlapping mode.

2. The carbon fiber target plate of claim 1, wherein the first PVC plate, the carbon fiber heating layer and the second PVC plate are laminated by ultrasonic lamination.

3. The carbon fiber target plate of claim 2, wherein the ultrasonic platen technology has an ultrasonic frequency in the range of 26k to 29 k.

4. The carbon fiber target plate as claimed in claim 1, wherein the carbon fiber heating layer comprises two layers of non-woven fabrics and one layer of carbon fiber non-woven fabric, the carbon fiber non-woven fabric is positioned between the two layers of non-woven fabrics, and the carbon fiber heating layer is obtained after lamination;

the conductive copper strips and the carbon fiber wires are located on the carbon fiber non-woven fabric.

5. The carbon fiber target plate of claim 4, wherein the carbon fiber non-woven fabric is obtained by embedding the conductive copper strips and the carbon fiber filaments into a fiber material by a needle punching process.

6. The carbon fiber target plate of claim 5, wherein the conductive copper bars have a width of 8 to 12 millimeters.

7. The carbon fiber target plate of claim 1, wherein the predetermined spacing is 1.5 to 2.5 centimeters.

8. The carbon fiber target plate of claim 1, wherein the carbon fiber filaments have a length of 15 to 25 centimeters.

9. The carbon fiber target plate of claim 1, wherein the carbon fiber filaments have a gauge of 3K, a tensile strength of 3500MPa, and an electrical resistivity of 1.5 x 10^-3Ohm-cm, resistance 150 ohm per meter, elongation 1.9%, density 1.81 g/cc.

10. A thermal imaging target, comprising a base, a mounting bracket, and the carbon fiber target plate of any one of claims 1-9;

the carbon fiber target plate is positioned right above the mounting bracket;

the base comprises a battery slot, and the conductive copper strip of the carbon fiber target plate receives a current signal from a battery in the battery slot.

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