Multifunctional portable fingerprint fuming device

Abstract

The utility model relates to the technical field of criminal investigation, in particular to a multifunctional portable fingerprint fuming device, which realizes portability, safety and operability of equipment by integrating components such as a rechargeable battery, an electric heating wire and an LED (light-emitting diode) lamp bead. And meanwhile, by arranging a storage leather sheath and a supporting framework, the portability and the use stability of the equipment are enhanced. The utility model is suitable for criminal investigation.

Description

Technical Field

[0001] The utility model relates to the technical field of criminal investigation, in particular to a portable smoke display device for displaying fingerprints, which is suitable for on-site investigation and laboratory analysis. Background Art

[0002] In criminal investigation, fingerprint visualization and extraction is an important technical means. Traditional fingerprint smokers often have single functions, are inconvenient to carry, and have problems such as complex operation and poor safety during use. Therefore, it is of great practical value to develop a multifunctional, portable, safe and easy-to-operate fingerprint smoker. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a multifunctional portable handprint smoke display device in view of the above problems.

[0004] In order to solve the above technical problems, the technical solution provided by the utility model is: a multifunctional portable handprint fumigation display device, comprising a main body, a rechargeable battery is provided at the bottom of the main body, a fumigation display head is installed at the bottom of the rechargeable battery, a lamp head is provided at the end of the main body away from the rechargeable battery, an LED lamp bead is provided inside the lamp head, a control switch is provided on the outside of the lamp head, a charging port is provided on the other side, a storage leather case is provided on the outside of the main body, and a plastic film is provided on the outside of the fumigation display head.

[0005] As an improvement, an insulating shell is provided on the outside of the smoke display head to prevent the plastic film from being melted by excessive heat, thereby increasing safety of use.

[0006] As an improvement, an electric heating wire is provided inside the fumigation head, and a mesh is provided at the bottom of the electric heating wire for dripping glue to more effectively visualize fingerprints.

[0007] As an improvement, a supporting frame is provided on the plastic film, which can be folded and stored in reverse to facilitate carrying and use.

[0008] As an improvement, a sliding card is provided at the connection between the bottom of the main body and the plastic film, and the sliding card sleeve is arranged on the main body, and the shrinking support frame is opened by sliding.

[0009] As an improvement, the LED lamp beads are a multi-color lamp bead group, and the color of the lamp beads can be changed according to actual needs.

[0010] Compared with the prior art, the utility model has the following advantages: it not only has the functions of a traditional handprint smoke display device, but also has the advantages of portability, safety, and easy operation. By adopting a rechargeable battery for power supply, the limitation of traditional equipment requiring an external power supply is solved; by setting LED lamp beads and a control switch, the convenience of lighting and control is achieved; by setting an insulating shell and an electric heating wire, the safety and smoke display effect of the device are improved; by setting a storage leather case and a supporting frame, the portability and stability of the device are enhanced. In addition, the device has a simple structure and low manufacturing cost, and is suitable for daily use and promotion by criminal investigation departments. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of a multifunctional portable handprint fumigation display device.

[0012] Figure 2 It is a schematic diagram of the structure of the multifunctional portable handprint fumigation display in the storage state.

[0013] Figure 3 The utility model is a schematic diagram of the structure of the fumigation display head of the multifunctional portable handprint fumigation display device.

[0014] As shown in the figure: 1. Main body, 2. Rechargeable battery, 3. Smoke display head, 4. Lamp head, 5. LED lamp beads, 6. Control switch, 7. Charging port, 8. Storage leather case, 9. Plastic film, 10. Insulation shell, 11. Electric heating wire, 12. Mesh, 13. Support frame, 14. Sliding card. DETAILED DESCRIPTION

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0016] When the utility model is implemented, a multifunctional portable handprint smoke display solves the above problems. The smoke display includes a main body 1, a rechargeable battery 2 is provided at the bottom of the main body 1, a smoke display head 3 is installed at the bottom of the rechargeable battery 2, a lamp head 4 is provided at the end of the main body 1 away from the rechargeable battery 2, and LED lamp beads 5 are arranged inside the lamp head 4. The LED lamp beads are arranged with multi-color lamp beads, which can emit white light, blue light, green light and purple light, and the brightness of the light can also be adjusted. A control switch 6 is provided on the outside of the lamp head 4, and a charging port 7 is provided on the other side. A storage leather case 8 is provided on the outside of the main body 1, and a fixing buckle is provided at the end of the storage leather case, and the fixing buckle is fixed to the end of the main body away from the lamp head. A plastic film 9 is provided on the outside of the smoke display head 3, and the plastic film is a transparent film, which is convenient for observing the internal smoke display situation.

[0017] Furthermore, a heat-insulating shell 10 is provided on the outer side of the smoke-dispensing head 3 to prevent the plastic film 9 from being melted by excessive heat, thereby increasing the safety of use.

[0018] Furthermore, an electric heating wire 11 is provided inside the fumigation head 3, and a mesh 12 is provided at the bottom of the electric heating wire 11 for dripping 502 glue so as to more effectively visualize the fingerprint.

[0019] Furthermore, a support frame 13 is provided on the plastic film 9, and the support frame 13 can be folded and stored in reverse to facilitate carrying and use. The support frame adopts the same structure as an umbrella, and fits the main body completely after storage. When opened, it opens in an umbrella shape, and the bottom can be sealed and wrapped on the ground.

[0020] Furthermore, a sliding card 14 is provided at the connection between the bottom of the main body 1 and the plastic film 9. The sliding card sleeve is arranged on the main body. The contraction support frame is opened by sliding. The sliding card can be completely stored in the storage leather case in the storage state.

[0021] Furthermore, the LED lamp beads are a multi-color lamp bead group, and the color of the lamp beads can be changed according to actual needs.

[0022] The multifunctional portable handprint smoke display device of the utility model has a simple structure, is easy to carry and has various functions. By providing a rechargeable battery 2 and a charging port 7, the device is portable and can be used for a long time. By providing an LED lamp bead 5 and a control switch 6, the smoke display area can be illuminated in a dark environment to improve the display effect. By providing an insulating shell 10, the plastic film 9 is prevented from being baked due to excessive heat, thereby improving the safety of use. By providing an electric heating wire 11 and a mesh 12, the handprint can be displayed more effectively. By providing a supporting skeleton 13, the plastic film 9 is made more stable and the display effect is improved.

[0023] The working principle of this utility model:

[0024] Manufacturing process:

[0025] Production of the main body 1: The main body 1 can be made of a lightweight metal material or a high-strength plastic material to ensure the lightness and durability of the device.

[0026] Installation of the rechargeable battery 2: Select a rechargeable battery of appropriate capacity and install it on the bottom of the main body 1 by screws or other fixing methods.

[0027] Assembly of the smoke display head 3: Install the smoke display head 3 at the bottom of the rechargeable battery 2, ensure a firm connection, and ensure the correct position of the electric heating wire 11 and the mesh 12.

[0028] Installation of the lamp holder 4 and the LED lamp beads 5: Install the lamp holder 4 at the end of the main body 1 away from the rechargeable battery 2, and install the LED lamp beads 5 inside the lamp holder 4 to ensure sufficient and uniform light source.

[0029] The control switch 6 and the charging port 7 are arranged: the control switch 6 is arranged outside the lamp holder 4 to control the switch of the LED lamp bead 5; the charging port 7 is arranged at an appropriate position of the main body 1 to charge the rechargeable battery 2.

[0030] Production and installation of the storage leather case 8: The storage leather case 8 is produced according to the outer dimensions of the main body 1 and is fixed to the main body 1 by a zipper, buttons or other means.

[0031] Assembly of the plastic film 9 and the support frame 13: Cover the plastic film 9 on the fumigation head 3 and fix its shape through the support frame 13 to ensure the clarity of the fingerprint fumigation.

[0032] Directions:

[0033] First use light to search and discover, then use smoke to enhance, and then use auxiliary photography to fix it.

[0034] Charging and starting up: Charge the rechargeable battery 2 through the charging port 7. After ensuring that the battery is fully charged, turn on the control switch 6 and the LED lamp bead 5 lights up.

[0035] Handprint fumigation: add a proper amount of 502 glue on the mesh 12, then start the electric heating wire 11 to heat it, so that the 502 glue evaporates and produces smoke, and the handprint is fumigated through the fumigation head 3.

[0036] Observation and recording: Under the illumination of LED lamp bead 5, observe the handprint revealed by the smoke, and use appropriate tools or methods to record and extract it.

[0037] Storage and preservation: After use, turn off the control switch 6 and put the storage leather case 8 on the main body 1 to protect the device and facilitate carrying.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "plurality" means two or more, unless otherwise clearly and specifically defined.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention.

Claims

1. A multifunctional portable handprint smoke display device, comprising a main body (1), characterized in that: The main body (1) is provided with a rechargeable battery (2) at the bottom, a smoke display head (3) is installed at the bottom of the rechargeable battery (2), a lamp head (4) is provided at one end of the main body (1) away from the rechargeable battery (2), an LED lamp bead (5) is provided inside the lamp head (4), a control switch (6) is provided on the outside of the lamp head (4), and a charging port (7) is provided on the other side, a storage leather case (8) is provided on the outside of the main body (1), and a plastic film (9) is provided on the outside of the smoke display head (3).

2. The multifunctional portable fingerprint smoke display device according to claim 1 is characterized in that: A heat insulating shell (10) is arranged outside the smoke display head (3) to prevent the plastic film (9) from being melted by excessive heat.

3. The multifunctional portable fingerprint smoke display device according to claim 1 is characterized in that: An electric heating wire (11) is arranged inside the fumigation head (3), and a mesh (12) is arranged at the bottom of the electric heating wire (11) for dripping 502 glue.

4. The multifunctional portable fingerprint smoke display device according to claim 1 is characterized in that: A supporting frame (13) is provided on the plastic film (9) and can be folded in reverse for storage.

5. The multifunctional portable fingerprint smoke display device according to claim 1 is characterized in that: A sliding card (14) is provided at the connection between the bottom of the main body (1) and the plastic film (9).

6. The multifunctional portable fingerprint smoke display device according to claim 1 is characterized in that: The LED lamp beads (5) are a group of multi-color lamp beads.

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