Electric heating fingerprint rapid baking device capable of adjusting temperature and time

Abstract

The invention relates to the technical field of forensic science criminal affairs, in particular to auxiliary equipment special for laboratory trace inspection and research, and more particularly relates to an electric heating fingerprint rapid baking device capable of adjusting temperature and time. An electric heating fingerprint rapid baking device capable of adjusting temperature and time comprises a box body, and a tray used for bearing experimental articles is arranged in the box body. The cover body covers the opening of the box body, a machine head part is fixed on the cover body, a heater and a fan are arranged in the machine head part, the heater heats towards the interior of the box body, and the fan blows air towards the heater. Through the effect of the heater, paper can be quickly dried, and fingerprints can be fumed; the baking device is good in overall stability during operation, so that an experiment has complete, objective and stable trace reflection under a certain same condition. The baking device is small in size, the fuming and drying temperature, time and the like can be adjusted, the application range is wide, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of forensic science, in particular to an auxiliary device for laboratory trace examination research, more particularly to an electric heating fingerprint rapid baking device with adjustable temperature and time. BACKGROUND

[0002] At present, the appearance device for processing potential fingerprints on paper evidence in trace examination and on-site investigation in the criminal technology laboratory has the problems of large volume, difficult to carry, not suitable for on-site operation, slow heating, uneven heating temperature of the article, high equipment price, etc. Most of the laboratory operations in China follow the reagent use method, and there is no fine study on the drying temperature and time. The methods for appearing potential fingerprints on paper articles in the laboratory mainly include reagent spraying, soaking and fumigation. The speed and effect of fingerprint appearance are not only related to the type and brand of the appearance reagent, but also directly related to the temperature and humidity of the appearance environment and the equipment. Under the premise of determining the appearance method, controlling the drying temperature and time becomes a decisive factor. The existing equipment has the problems of large volume, low fumigation and drying temperature, and relatively long time. In order to make the experiment have complete, objective and stable trace reflection under the same condition, a device is needed to better solve the above technical problems. SUMMARY

[0003] The present application aims to at least solve the above technical problems to a certain extent, and provides an electric heating fingerprint rapid baking device with adjustable temperature and time. The baking device has small volume, and the temperature and time of fumigation and drying can be adjusted, so that the experiment has complete, objective and stable trace reflection under the same condition.

[0004] The technical scheme of the present application is: an electric heating fingerprint rapid baking device with adjustable temperature and time, wherein a box body is provided, and a tray for supporting experimental articles is arranged in the box body;

[0005] A cover body is further provided, which covers the opening of the box body, a machine head is fixed on the cover body, a heater and a fan are arranged in the machine head, the heater heats towards the box body, and the fan blows air towards the heater.

[0006] In the present application, the experimental articles can be paper, which is placed on the tray. The heater is beneficial to rapid drying of the paper and fumigation of the fingerprint. The fan blows air towards the heater, and the heater is cooled by the air blown by the fan, so that the heater can be quickly cooled. Therefore, the baking device has good overall stability when running, so that the experiment has complete, objective and stable trace reflection under the same condition.

[0007] Further, the surface of the head part is provided with a first adjusting button and a second adjusting button, and a display screen is further provided above the first adjusting button and the second adjusting button. The first adjusting button can be a temperature adjusting button, and the second adjusting button can be a time adjusting button. The temperature and the time of the baking device can be comprehensively controlled through the temperature adjusting button and the time adjusting button, and can be finely adjusted to each degree Celsius (℃) and each second (S), so that the adjustment is fine, and the accuracy of baking is improved. In addition, the display screen can accurately display the temperature and the time in real time, and the experimental personnel can more intuitively understand the experimental process.

[0008] Further, the surface of the head part is provided with a first adjusting button and a second adjusting button, and a display screen is further provided above the first adjusting button and the second adjusting button. The first adjusting button can be a temperature adjusting button, and the second adjusting button can be a time adjusting button. The temperature and the time of the baking device can be comprehensively controlled through the temperature adjusting button and the time adjusting button, and can be finely adjusted to each degree Celsius (℃) and each second (S), so that the adjustment is fine, and the accuracy of baking is improved. In addition, the display screen can accurately display the temperature and the time in real time, and the experimental personnel can more intuitively understand the experimental process.

[0009] Further, the temperature and time adjustable electric heating fingerprint rapid baking device further comprises a support, which is arranged outside the box body and is used for supporting the box body. The support comprises a main support and a handle part fixed on both sides of the main support, and the main support is a circular ring structure and supports the box body. In the present application, the support with the handle part can support the box body and can also lift the box body as a whole to move the position.

[0010] Further, the surface of the head part is provided with a first adjusting button and a second adjusting button, and a display screen is further provided above the first adjusting button and the second adjusting button. The first adjusting button can be a temperature adjusting button, and the second adjusting button can be a time adjusting button. The temperature and the time of the baking device can be comprehensively controlled through the temperature adjusting button and the time adjusting button, and can be finely adjusted to each degree Celsius (℃) and each second (S), so that the adjustment is fine, and the accuracy of baking is improved. In addition, the display screen can accurately display the temperature and the time in real time, and the experimental personnel can more intuitively understand the experimental process.

[0011] Further, the surface of the head part is provided with a first adjusting button and a second adjusting button, and a display screen is further provided above the first adjusting button and the second adjusting button. The first adjusting button can be a temperature adjusting button, and the second adjusting button can be a time adjusting button. The temperature and the time of the baking device can be comprehensively controlled through the temperature adjusting button and the time adjusting button, and can be finely adjusted to each degree Celsius (℃) and each second (S), so that the adjustment is fine, and the accuracy of baking is improved. In addition, the display screen can accurately display the temperature and the time in real time, and the experimental personnel can more intuitively understand the experimental process.

[0012] Further, the tray is a steel grid. The tray is a metal grid structure and is arranged at the bottom of the box body, which is convenient for supporting experimental articles.

[0013] Further, the box body is a cylindrical structure. The cylindrical structure of the box body is convenient for loading experimental articles. In addition, the fan of the present application is a circular rotating blade structure, and the head part is synchronously started to work when being powered.

[0014] Compared with the prior art, the beneficial effects are: the heater is conducive to rapid drying of paper and fuming of fingerprints; the fan blows air towards the heater, and the heater is cooled by the air blown by the fan, so that the heater can be quickly cooled. Therefore, the overall stability of the baking device is good when the baking device is running, so that the experiment has complete, objective and stable trace reflection under the same condition.

[0015] The baking device has small volume, the temperature and time of fumigation and drying can be adjusted, has wide application range and is convenient to operate.

[0016] For better understanding and implementation, the present application is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall three-dimensional structure.

[0018] Figure 2 is a schematic diagram of the overall exploded structure.

[0019] Figure 3 is a schematic diagram of the overall front view structure.

[0020] Figure 4 is a schematic diagram of the overall front view assembly. DETAILED DESCRIPTION

[0021] The drawings are only used for illustrative description and cannot be understood as limiting the patent; in order to better illustrate the embodiment, some components in the drawings may be omitted, enlarged or reduced, and do not represent the actual product size; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative description and cannot be understood as limiting the patent.

[0022] The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for illustrative description, and cannot be understood as limiting the patent, and for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0023] As Figures 1-4 shown, an electric heating fingerprint rapid baking device with adjustable temperature and time, comprising a box body 1, a tray 2 for supporting experimental objects is arranged in the box body 1;

[0024] Further comprising a cover body 4 covering the opening of the box body 1, a machine head 40 is fixed on the cover body 4, a heater and a fan are arranged in the machine head 40, the heater heats towards the box body 1, and the fan blows towards the heater.

[0025] In this embodiment, the heater and the fan are both arranged in the head part 40, so they are not shown in the figure. The experimental object can be paper, which is placed on the tray 2. The paper is dried quickly by the action of the heater, which is beneficial to the fuming and developing of fingerprints. Moreover, the fan blows air towards the heater, and the heater is cooled by the air blown by the fan, so the heater can be cooled quickly. Therefore, the overall stability of the baking device is good when it is running, so that the experiment under the same conditions has complete, objective and stable trace reflection.

[0026] Further preferably, the head part 40 is provided with a first adjusting button 7 and a second adjusting button 8, and a display screen 12 is further arranged above the first adjusting button 7 and the second adjusting button 8.

[0027] In this embodiment, the first adjusting button 7 can be a temperature adjusting button, and the second adjusting button 8 can be a time adjusting button. The temperature and time of the baking device can be comprehensively controlled by the above-mentioned temperature adjusting button and time adjusting button, which can be finely adjusted to each degree Celsius (℃) and each second (S), has the characteristics of fine adjustment, and improves the accuracy of baking. In addition, the display screen 12 can accurately display the temperature and time in real time, so that the experimental personnel can more intuitively understand the experimental process.

[0028] More specifically, the head part 40 is further provided with a first indicator light 10 and a second indicator light 11, and the first indicator light 10 and the second indicator light 11 are located below the first adjusting button 7 and the second adjusting button 8. The first indicator light 10 can be a power indicator light, which displays the start and stop state of the power. The second indicator light 11 can be a temperature control indicator light, which displays the start and stop state of the temperature control.

[0029] Further, the electric heating fingerprint rapid baking device with adjustable temperature and time further comprises a support 3, which is arranged outside the box body 1 and is used for supporting the box body 1. The support 3 comprises a main support 31 and a handle part 32 fixed to both sides of the main support 31, and the main support 31 is a circular ring structure, which supports the box body 1. In this embodiment, the support 3 with the handle part 32 is arranged, which can support the box body 1 and also can lift the box body 1 as a whole to move the position.

[0030] Specifically, the head part 40 is further provided with a heat dissipation hole 41. The heat dissipation hole 41 is arranged to prevent overheating in the head part 40. In addition, the head part 40 is further connected with a power line 9 for connecting the external power supply. The power line 9 can pass 220V alternating current with a rated power of 1300W.

[0031] Further, the box body 1 and the cover body 4 are both of transparent material structure. The above-mentioned structure is of transparent material structure, which facilitates the experimental personnel to observe the baking condition in the box body 1 at any time, and can quickly make adjustment operation according to the baking condition.

[0032] Further, the tray 2 is a steel grid frame, and the box 1 is a cylindrical structure. The tray 2 is a grid frame of a metal frame structure, which is arranged on the bottom of the box 1, and is convenient for supporting experimental articles. The box 1 with the cylindrical structure is convenient for loading experimental articles. In addition, the fan of the present application is a circular rotating blade structure, which is synchronously started to work with the head being electrified.

[0033] In the embodiment, temperature adjustment buttons and time adjustment buttons are arranged, which can be set as power keys, start keys, up and down keys, etc. The temperature adjustment can be adjusted to 250 DEG C at most, and the time adjustment can be adjusted to 300 S at most. In addition, the head part 40 of the embodiment integrates a circuit board, a heater, a fan, etc. The time, temperature, etc. are comprehensively controlled through the head part 40. If a certain component is damaged, the damaged component can be repaired or replaced by disassembling the head part 40, so that the cost is reduced.

[0034] Obviously, the above embodiment of the present application is only an example for clearly illustrating the present application, and is not a limitation on the embodiments of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. All the embodiments do not need to be exhausted here. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the claims of the present application.

Claims

1. A temperature- and time-adjustable electrothermal fingerprint rapid baking device, characterized in that, Includes a box (1), and the box (1) is provided with a tray (2) for supporting experimental items; It also includes a cover (4), which covers the opening of the box (1), and an organic head (40) is fixed on the cover (4). The organic head (40) is provided with a heater and a fan. The heater heats the box (1) and the fan blows air towards the heater.

2. The adjustable temperature and time electrothermal fingerprint rapid baking device according to claim 1, characterized in that: The machine head (40) surface is provided with a first adjustment button (7) and a second adjustment button (8), and a display screen (12) is provided above the first adjustment button (7) and the second adjustment button (8).

3. The adjustable temperature and time electrothermal fingerprint rapid baking device according to claim 2, characterized in that: The machine head (40) surface is also provided with a first indicator light (10) and a second indicator light (11), which are located below the first adjustment button (7) and the second adjustment button (8).

4. The adjustable temperature and time electrothermal fingerprint rapid baking device according to claim 3, characterized in that: The temperature- and time-adjustable electrothermal fingerprint rapid baking device also includes a bracket (3), which is located outside the box (1) and is used to support the box (1).

5. The adjustable temperature and time electrothermal fingerprint rapid baking device according to claim 4, characterized in that: The bracket (3) includes a main bracket (31) and handles (32) fixed on both sides of the main bracket (31). The main bracket (31) has a circular structure and supports the box (1).

6. The adjustable temperature and time electrothermal fingerprint rapid baking device according to claim 5, characterized in that: The surface of the machine head (40) is also provided with heat dissipation holes (41).

7. The adjustable temperature and time electrothermal fingerprint rapid baking device according to claim 1, characterized in that: The box (1) and the cover (4) are both made of transparent material.

8. The adjustable temperature and time electrothermal fingerprint rapid baking device according to claim 1, characterized in that: The tray (2) is a steel grating frame.

9. A rapid electric fingerprint baking device with adjustable temperature and time according to any one of claims 1 to 8, characterized in that: The box (1) is a cylindrical structure.

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