Targeted biological trace discovery instrument

Abstract

The utility model belongs to the technical field of evidence obtaining and identifying equipment, and particularly relates to a targeted biological trace discovering instrument which comprises an instrument body and a night vision cover fixedly connected to the instrument body, a storage box is fixedly installed on the night vision cover, a motor is arranged on the storage box, the output end of the motor is arranged in the storage box in a penetrating mode, and the output end of the motor is connected with the night vision cover. A first reel is arranged in the storage box, a dustproof plate is arranged in the night vision cover, one end of the dustproof plate is fixedly connected to the first reel, and the other end of the dustproof plate is fixedly connected with a second reel. According to the biological trace instrument, dust prevention of the night vision cover is facilitated by installing the dustproof plate, the motor is started to drive the first reel to rotate reversely, the second reel can drive the dustproof plate to stably move downwards to the other end of the night vision cover in the sliding groove so as to shield an opening of the night vision cover, and dust is prevented from entering the night vision cover when the biological trace instrument is not used; and the laser lamp and the camera in the night vision cover are polluted, so that the display and shooting of fingerprints by the laser lamp and the camera are influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of evidence collection and identification equipment, in particular to a targeted biological trace discovery instrument. Background Art

[0002] Targeted biological tracer is an instrument used to detect and identify biological traces. Biological traces refer to the traces left by living organisms in the environment, such as DNA, protein, saliva, sweat, urine, etc. Targeted biological tracer uses advanced technology and methods to quickly and accurately detect and analyze these biological traces. It can quickly identify biological traces such as blood and saliva left at the crime scene, providing a strong basis for solving the case. Targeted biological tracer has broad application prospects in criminal investigation, disease diagnosis, environmental protection and other fields.

[0003] Patent document CN216484575U discloses a portable biological trace fumigation detection instrument, "including a main body, a handle for grasping is provided at the lower end of the main body, an assembly compartment is provided inward along the right end surface of the main body, a fumigation display component for fumigating and displaying biological traces can be detachably provided in the assembly compartment, an electric control module is provided in the main body, the fumigation display component is connected to the electric control module by signal, a battery compartment is provided in the handle, a battery compartment is installed in the battery compartment, a battery compartment cover can be detachably engaged on the battery compartment, and a control unit for controlling the biological traces is provided on the main body. The power switch that controls the battery to supply power or blocks the power supply, and the power switch is connected to the electronic control module signal. However, the portable biological trace fumigation detection instrument of the above-mentioned public document mainly improves the portability of the biological trace fumigation detection instrument and enhances the efficiency of replacing the fumigation detection component, but does not take into account the protection of the fumigation detection component. When the biological trace instrument is not in use, dust and impurities will adhere to the fumigation detection component, resulting in unclear fumigation and extraction of fingerprints by the biological trace instrument. Therefore, it is necessary to develop a targeted biological trace detection instrument, which can protect the fumigation detection component. Utility Model Content

[0004] The purpose of the utility model is to provide a targeted biological trace detection instrument to solve the technical problem that dust or impurities are easily attached to the fumigation component proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a targeted biological trace detection instrument, comprising an instrument body and a night vision cover fixedly connected to the instrument body, a storage box fixedly installed on the night vision cover, and the bottom of the storage box is connected to the night vision cover, a motor is arranged on the storage box, the output end of the motor is passed through the storage box, a first scroll is arranged in the storage box, and one end of the first scroll is fixedly connected to the output end of the motor, a dustproof plate is arranged in the night vision cover, and one end of the dustproof plate is fixedly connected to the first scroll, and the other end of the dustproof plate is fixedly connected to the second scroll, and the second scroll is made of iron.

[0006] Preferably, the dustproof plate is made of an aluminum alloy material that can be bent arbitrarily.

[0007] Preferably, a slide groove is symmetrically arranged in the night vision cover, and one end of the slide groove extends into the storage box. A slider is slidably connected in the slide groove, and the slider is fixedly connected to one end of the second reel.

[0008] Preferably, a magnet is fixedly installed in the night vision cover, and the magnet is connected to the second reel through magnetic attraction.

[0009] Preferably, a sealing box is fixedly mounted on the storage box, and the motor is fixedly mounted in the sealing box.

[0010] Preferably, a spray device is installed in the instrument body, a reagent kit is detachably installed on the instrument body, and the reagent kit is connected to the spray device.

[0011] Preferably, a display screen is provided on the instrument body, and the display screen is used to observe and photograph the revealed fingerprint traces.

[0012] Preferably, the instrument body is provided with function keys, and the function keys are used to control the operation of the instrument body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model facilitates dust prevention for the night vision hood by installing a dustproof plate. When the tracer is not in use, the staff starts the motor through the function key to drive the first reel to rotate in the opposite direction, so that the dustproof plate on the first reel hangs down, and at the same time the second reel drives the dustproof plate to move stably downward in the slide groove to the other end of the night vision hood to cover the opening of the night vision hood, so as to prevent dust and impurities from entering the night vision hood when the targeted biological tracer is not in use, causing pollution to the laser light and camera in the night vision hood, and affecting the display and shooting of fingerprints by the laser light and camera.

[0015] 2. The utility model is equipped with a camera system and a laser system to facilitate the rapid detection of an object by the biological tracer. First, the spray device is started by a function key to atomize the reagent in the test kit to spray and fumigate the object. Then, the night vision cover is placed on the object to turn on the laser system. The fingerprints and other biological traces on the object are visualized by the laser emitted by the laser system. The visualized fingerprints are observed through the display screen, which avoids the staff from directly looking at the high-intensity laser with the naked eye and causing harm to the operator's body. At the same time, the camera system is used to shoot the visualized fingerprints. The targeted biological tracer has all the working modes such as fumigation, photography, video recording, and wireless transmission, which greatly simplifies the on-site inspection workflow and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model in another direction;

[0018] Figure 3 for Figure 2 A magnified schematic diagram of the structure in the middle;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the storage box of the present utility model.

[0020] In the figure: 1. Instrument body; 2. Night vision cover; 3. Storage box; 4. Motor; 5. First scroll; 6. Dust plate; 7. Second scroll; 8. Sealing box; 9. Slide groove; 10. Slider; 11. Magnet; 12. Display screen; 13. Spray device; 14. Reagent box; 15. Function key. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 and Figure 4, a targeted biological trace detection instrument comprises an instrument body 1 and a night vision cover 2 fixedly connected to the instrument body 1, a storage box 3 is fixedly installed on the night vision cover 2, and the bottom of the storage box 3 is connected to the night vision cover 2, a motor 4 is arranged on the storage box 3, the output end of the motor 4 is arranged in the storage box 3, a first reel 5 is arranged in the storage box 3, and one end of the first reel 5 is fixedly connected to the output end of the motor 4, a dustproof plate 6 is arranged in the night vision cover 2, and one end of the dustproof plate 6 is fixedly connected to the first reel 5, and the other end of the dustproof plate 6 is fixedly connected to the second reel 7, and the second reel 7 is made of iron, and the dustproof plate 6 is made of aluminum alloy that can be bent arbitrarily, a sealing box 8 is fixedly installed on the storage box 3, and the motor 4 is fixedly installed in the sealing box 8, and the targeted biological trace detection instrument fumigates the fingerprints and other biological traces on the object by spraying reagents, and then turns on the night vision through the function key 15 The laser light in the night vision cover 2 can reveal bioactive substances such as latent fingerprints from sweat, blood stains, semen stains, sweat stains, urine, hair, dandruff, and exfoliated cells, and finally the revealed fingerprints can be photographed by a camera to help the public security organs extract fingerprints at the crime scene. When the night vision cover 2 is dustproof, the dustproof plate 6 is installed to facilitate dustproofing of the night vision cover 2. When the tracer is not in use, the staff starts the motor 4 through the function key 15 to drive the first scroll 5 to rotate in the opposite direction, so that the dustproof plate 6 on the first scroll 5 falls downward, and at the same time, the second scroll 7 will drive the dustproof plate 6 to move stably downward in the slide groove 9 to the other end of the night vision cover 2 to cover the opening of the night vision cover 2, so as to avoid dust and impurities from entering the night vision cover 2 when the targeted biological tracer is not in use, causing pollution to the laser light and camera in the night vision cover 2, and affecting the visualization and shooting of fingerprints by the laser light and camera.

[0023] See also Figure 2 and Figure 3 A slide groove 9 is symmetrically arranged in the night vision cover 2, and one end of the slide groove 9 extends into the storage box 3. A slider 10 is slidably connected in the slide groove 9, and the slider 10 is fixedly connected to one end of the second reel 7. The second reel 7 moves in the slide groove 9 through the slider 10, which guides and limits the second reel 7.

[0024] See also Figure 2 and Figure 3 A magnet 11 is fixedly installed in the night vision cover 2, and the magnet 11 is connected to the second reel 7 through magnetic attraction. The dustproof plate 6 stably blocks the opening of the night vision cover 2 through the magnetic attraction between the magnet 11 and the second reel 7.

[0025] See also Figure 1 and Figure 2A spray device 13 is installed in the instrument body 1, a reagent kit 14 is detachably installed on the instrument body 1, and the reagent kit 14 is connected to the spray device 13. A display screen 12 is provided on the instrument body 1, and the display screen 12 is used to observe and photograph the fingerprint traces that appear. Function keys 15 are provided on the instrument body 1, and the function keys 15 are used to control the instrument body 1 to work. When the biological trace instrument is used for convenient detection, the camera system and the laser system are installed in the night vision cover 2 and integrated with the spray device 13 to facilitate the biological trace instrument to quickly detect the object. First, the spray device 13 is started by the function key 15. The spray device 13 is used to atomize the reagent in the reagent kit 14 to spray and fumigate the object, and then the night vision cover 2 is placed on the object to turn on the laser system. The fingerprints and other biological traces on the object are visualized by the laser emitted by the laser system, and then the visualized fingerprints are observed through the display screen 12, which avoids the staff from directly looking at the high-intensity laser with their naked eyes and causing harm to the operator's body. At the same time, the camera system is used to photograph the visualized fingerprints. The targeted biological trace detection instrument has all the working modes such as fumigation, photography, video recording, and wireless transmission, which greatly simplifies the on-site inspection workflow and improves work efficiency.

[0026] Working principle: when the night vision cover 2 is dustproof, the dustproof plate 6 is installed to facilitate dustproof of the night vision cover 2. When the tracer is not in use, the staff starts the motor 4 through the function key 15 to drive the first reel 5 to rotate in the opposite direction, so that the dustproof plate 6 on the first reel 5 hangs down, and the second reel 7 drives the dustproof plate 6 to move stably downward in the slide slot 9 to the other end of the night vision cover 2 to cover the opening of the night vision cover 2, so as to avoid dust and impurities from entering the night vision cover 2 when the target biological tracer is not in use, causing pollution to the laser light and camera in the night vision cover 2, affecting the appearance and shooting of fingerprints by the laser light and camera. When the biological tracer is used for convenient detection, the camera system and the laser system are installed in the night vision cover 2 and the spray device The combination of the device 13 is convenient for the biological tracer to quickly detect the object. First, the spray device 13 is started through the function key 15, so that the spray device 13 atomizes the reagent in the reagent kit 14 to spray and fumigate the object. Then the night vision cover 2 is placed on the object to turn on the laser system. The fingerprints and other biological traces on the object are revealed by the laser emitted by the laser system. The revealed fingerprints are observed through the display screen 12, which avoids the staff from directly looking at the high-intensity laser with the naked eye and causing harm to the operator's body. At the same time, the camera system is used to shoot the revealed fingerprints. The targeted biological tracer has all the working modes such as fumigation, photography, video recording, and wireless transmission, which greatly simplifies the on-site inspection workflow and improves work efficiency.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A targeted biological trace detection instrument, comprising an instrument body (1) and a night vision cover (2) fixedly connected to the instrument body (1), characterized in that: A storage box (3) is fixedly mounted on the night vision cover (2), and the bottom of the storage box (3) is connected to the night vision cover (2). A motor (4) is arranged on the storage box (3), and the output end of the motor (4) is arranged in the storage box (3). A first reel (5) is arranged in the storage box (3), and one end of the first reel (5) is fixedly connected to the output end of the motor (4). A dustproof plate (6) is arranged in the night vision cover (2), and one end of the dustproof plate (6) is fixedly connected to the first reel (5), and the other end of the dustproof plate (6) is fixedly connected to a second reel (7), and the second reel (7) is made of iron.

2. The targeted biological tracer according to claim 1, characterized in that: The dustproof plate (6) is made of an aluminum alloy material that can be bent arbitrarily.

3. The targeted biological tracer according to claim 1, characterized in that: A slide groove (9) is symmetrically arranged in the night vision cover (2), and one end of the slide groove (9) extends into the storage box (3). A slider (10) is slidably connected in the slide groove (9), and the slider (10) is fixedly connected to one end of the second reel (7).

4. The targeted biological tracer according to claim 1, characterized in that: A magnet (11) is fixedly installed inside the night vision cover (2), and the magnet (11) is connected to the second reel (7) through magnetic attraction.

5. The targeted biological tracer according to claim 1, characterized in that: A sealing box (8) is fixedly mounted on the storage box (3), and the motor (4) is fixedly mounted in the sealing box (8).

6. The targeted biological tracer according to claim 1, characterized in that: A spray device (13) is installed in the instrument body (1), and a reagent kit (14) is detachably installed on the instrument body (1), and the reagent kit (14) is connected to the spray device (13).

7. The targeted biological tracer according to claim 1, characterized in that: The instrument body (1) is provided with a display screen (12), and the display screen (12) is used to observe and photograph the revealed fingerprint traces.

8. The targeted biological tracer according to claim 1, characterized in that: The instrument body (1) is provided with function keys (15), and the function keys (15) are used to control the operation of the instrument body (1).

Images