CN215476584U

CN215476584U - Trace material evidence draws case for public security

Info

Publication number: CN215476584U
Application number: CN202121754931.2U
Authority: CN
Inventors: 刘晋昊
Original assignee: Liaoning police college
Current assignee: Liaoning police college
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-11
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a trace material evidence extraction box for public security, which comprises a box body, and further comprises a sealing cover, a temperature control assembly and a support assembly, wherein the support assembly consists of an auxiliary box, a support sleeve, a support rod A, a telescopic sleeve and a support rod B, the sealing cover is installed at the top of the box body, the auxiliary box is installed on the side wall of the box body, the support sleeve is installed at the bottom of the box body, the support rod A is installed at the bottom of the support sleeve, the telescopic sleeve is installed at the bottom of the support rod A, and the support rod B is installed at the bottom of the telescopic sleeve. According to the utility model, the height of the box body can be conveniently adjusted through the supporting component, the material evidence can be conveniently stored, the temperature in the box body can be controlled through the temperature control component, and the influence of the temperature on the material evidence can be prevented.

Description

Trace material evidence draws case for public security

Technical Field

The utility model relates to the technical field of extraction box equipment, in particular to a trace physical evidence extraction box for public security.

Background

At the in-process of murder crime, some evidences that can prove its crime can be left to inevitable, and the public security office follows rigorous working principle at the in-process of solving a case, must take back the crime certificate that can prove murder as the testimony, provide the basis for later solving a case, and the material evidence draws the case and then can satisfy the demand of public security handling a case, and the material evidence draws the strorage device of the toolbox testimony that the incasement placed needs, the important instrument of public security handling a case in the time.

Patent number CN202021269835.4 discloses a case is drawed with trace material evidence for public security, relates to the technical field of public security evidence collection, and comprises a case body, the top surface fixed mounting of case body has a carrying device, the bottom surface fixed mounting of case body has a stabilising arrangement, the carrying device includes a fixed plate, the top surface fixed mounting of fixed plate has a thick pipe, the top surface of thick pipe runs through and is provided with a thin rod, the fixed surface mounting of thin rod has a rack, the top end fixed mounting of thin rod has a handle, the surface of thick pipe is close to top position fixed mounting of department has a mounting bracket, the top surface of mounting bracket has a spout, the inside sliding connection of spout has a slider, the top end fixed mounting of slider has a movable block, above whole has realized the function of simple and convenient regulation handle height, investigation personnel can adjust to suitable holding height in various complex environments, thereby promoted and used experience, also accelerated actual work efficiency to a certain extent, do benefit to the use.

This trace material evidence draws case for public security has following drawback: when evidence is obtained, the height of the extraction box cannot be adjusted, so that evidence obtaining is influenced; during the process of evidence collection, some evidence that the sample will deteriorate with the change of temperature is found, and the in-situ test cannot be carried out.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a trace material evidence extraction box for public security, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a trace material evidence draws case for public security, includes the box, still includes closing cap, accuse temperature subassembly and supporting component, the supporting component comprises supplementary case, support cover, bracing piece A, flexible cover and bracing piece B, the closing cap is installed at the box top, the supplementary case is installed to the box lateral wall, the bottom half is installed and is supported the cover, support cover bottom installation bracing piece A, flexible cover is installed to bracing piece A bottom, the bracing piece B is installed to flexible cover bottom.

Furthermore, the temperature control assembly consists of a controller, a protective shell, a semiconductor refrigerating sheet, a ventilating net, a fixed block and a temperature measuring probe, the controller is installed outside the box body, the protective shell is installed inside the box body, the semiconductor refrigerating sheet is installed inside the protective shell, the ventilating net and the fixed block are installed on the side wall of the protective shell, and the temperature measuring probe is installed on the surface of the fixed block; through accuse temperature subassembly, control box internal temperature prevents that the temperature from causing the influence to the material evidence

Furthermore, a supporting seat is detachably mounted at the bottom of the supporting rod B; when ground is wet and slippery, the supporting seat is inserted at the bottom of the supporting rod B, the surface of the supporting seat is rough, the friction coefficient between the supporting seat and the ground is increased, and the supporting rod B is prevented from sliding.

Further, a thread groove is formed in the inner portion of the telescopic sleeve, threads are carved on the outer walls of the support rod A and the support rod B, and the threads are matched with the thread groove; the telescopic sleeve is inserted into the support rod A, the support rod B is inserted into the other end of the telescopic sleeve, the support rod A and the support rod B are adjusted, the support rod A and the support rod B move in the telescopic sleeve through the thread groove, and the height of the box body is adjusted.

Furthermore, the power input ends of the controller, the semiconductor refrigeration sheet and the temperature measurement probe are connected with the power output end of an external power supply; connection controller, semiconductor refrigeration piece and temperature probe's external power source, open through controller drive semiconductor refrigeration piece, when the galvanic couple that the electric current was established ties into through two kinds of different semiconductor materials, can absorb the heat respectively and emit the heat at the both ends of galvanic couple, can realize refrigerated purpose, the air conditioning of release gets into inside the box from ventilative net, cool down to the box in, temperature probe detects the inside temperature of box and changes the temperature that detects into the signal of telecommunication transmission to the controller on, the inside temperature of box is shown to the controller, when the inside temperature of box reaches the setting value, stop the semiconductor refrigeration piece and continue to cool down.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the auxiliary box is used, the supporting rod A, the telescopic sleeve and the supporting rod B in the auxiliary box are taken out, the supporting rod A is inserted in the supporting sleeve, the telescopic sleeve is inserted into the supporting rod A, the supporting rod B is inserted at the other end of the telescopic sleeve, the supporting rod A and the supporting rod B are adjusted, the supporting rod A and the supporting rod B move in the telescopic sleeve through the thread grooves, the height of the box body is adjusted, the position of the box body is convenient for an operator to store a physical evidence, when the ground is slippery, the supporting seat is inserted at the bottom of the supporting rod B, the surface of the supporting seat is rough, the friction coefficient with the ground is increased, the supporting rod B is prevented from sliding, the height of the box body is convenient to adjust through the supporting assembly, and the physical evidence is convenient to store.

2. The material evidence is placed in the box body, when the material evidence needs to be stored at low temperature, the external power supply of the controller, the semiconductor refrigeration piece and the temperature measuring probe is connected, the controller drives the semiconductor refrigeration piece to be opened, when current passes through a galvanic couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the galvanic couple respectively, the purpose of refrigeration can be achieved, released cold air enters the box body from the ventilating net to cool the box body, the temperature measuring probe detects the temperature in the box body and converts the detected temperature into an electric signal to be transmitted to the controller, the controller displays the temperature in the box body, when the temperature in the box body reaches a set value, the refrigeration piece is stopped to cool continuously, and the temperature in the box body is controlled through the temperature control component to prevent the temperature from influencing the material evidence.

Drawings

FIG. 1 is a front view of a micro physical evidence extraction box for public security in accordance with the present invention;

FIG. 2 is an expanded view of a temperature control module of the micro physical evidence extraction box for public security.

In the figure: 1. a box body; 2. sealing the cover; 3. an auxiliary tank; 4. a controller; 5. a support sleeve; 6. a support rod A; 7. a telescopic sleeve; 8. a thread groove; 9. a support bar B; 10. a supporting seat; 11. a protective shell; 12. a semiconductor refrigeration sheet; 13. a breathable net; 14. a fixed block; 15. a temperature measuring probe; 16. a temperature control assembly; 17. a support assembly.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-2, a case is drawed with trace material evidence to policeman, including box 1, still include closing cap 2, accuse temperature subassembly 16 and supporting component 17, supporting component 17 comprises auxiliary tank 3, support cover 5, bracing piece a6, telescopic sleeve 7 and bracing piece B9, closing cap 2 is installed at box 1 top, auxiliary tank 3 is installed to box 1 lateral wall, support cover 5 is installed to box 1 bottom, support cover 5 bottom is installed and is supported bracing piece a6, telescopic sleeve 7 is installed to bracing piece a6 bottom, bracing piece B9 is installed to telescopic sleeve 7 bottom.

The temperature control assembly 16 comprises a controller 4, a protective shell 11, a semiconductor refrigerating sheet 12, a ventilating net 13, a fixed block 14 and a temperature measuring probe 15, the controller 4 is installed outside the box body 1, the protective shell 11 is installed inside the box body 1, the semiconductor refrigerating sheet 12 is installed inside the protective shell 11, the ventilating net 13 and the fixed block 14 are installed on the side wall of the protective shell 11, and the temperature measuring probe 15 is installed on the surface of the fixed block 14; through accuse temperature subassembly 16, control box 1 internal temperature, prevent that the temperature from causing the influence to material evidence

The bottom of the support rod B9 is detachably provided with a support seat 10; when the ground is wet and slippery, the supporting seat 10 is inserted at the bottom of the supporting rod B9, the surface of the supporting seat 10 is rough, the friction coefficient with the ground is increased, and the sliding of the supporting rod B9 is avoided.

The telescopic sleeve 7 is internally provided with a thread groove 8, the outer walls of the support rod A6 and the support rod B9 are both provided with threads, and the threads are matched with the thread groove 8; the telescopic sleeve 7 is inserted into the supporting rod A6, the supporting rod B9 is inserted at the other end of the telescopic sleeve 7, the supporting rod A6 and the supporting rod B9 are adjusted, the supporting rod A6 and the supporting rod B9 move in the telescopic sleeve 7 through the thread groove 8, and the height of the box body 1 is adjusted.

The power input ends of the controller 4, the semiconductor refrigerating sheet 12 and the temperature measuring probe 15 are connected with the power output end of an external power supply; connection controller 4, semiconductor refrigeration piece 12 and temperature probe 15's external power supply, it opens to drive semiconductor refrigeration piece 12 through controller 4, when the galvanic couple that the electric current was established ties through two kinds of different semiconductor materials, can absorb the heat respectively and emit the heat at the both ends of galvanic couple, can realize refrigerated purpose, the air conditioning of release gets into inside box 1 from ventilative net 13, lower the temperature in the box 1, temperature probe 15 detects the inside temperature of box 1 and turns into the temperature of detecting on signal of telecommunication transmits to controller 4, controller 4 shows the inside temperature of box 1, when the inside temperature of box 1 reaches the setting value, stop semiconductor refrigeration piece 12 and continue to lower the temperature.

It should be noted that, when the utility model is a trace physical evidence extraction box for public security, the support rod A6, the telescopic sleeve 7 and the support rod B9 in the auxiliary box 3 are taken out, the support rod A6 is inserted in the support sleeve 5, the telescopic sleeve 7 is inserted in the support rod A6, the support rod B9 is inserted at the other end of the telescopic sleeve 7, the support rod A6 and the support rod B9 are adjusted, the support rod A6 and the support rod B9 move in the telescopic sleeve 7 through the thread groove 8, the height of the box body 1 is adjusted, so that the position of the box body 1 is convenient for an operator to store physical evidence, when the ground is wet and slippery, the support seat 10 is inserted at the bottom of the support rod B9, the surface of the support seat 10 is rough, the friction coefficient with the ground is increased, the support rod B9 is prevented from sliding, the height of the box body 1 is convenient to adjust through the support component 17, the physical evidence is convenient to store, and the physical evidence is placed in the box body 1, when the material evidence needs low temperature to be preserved, connection controller 4, semiconductor refrigeration piece 12 and temperature probe 15's external power supply, it opens to drive semiconductor refrigeration piece 12 through controller 4, when the galvanic couple that the electric current was established ties through two kinds of different semiconductor materials, can absorb the heat respectively and emit the heat at the both ends of galvanic couple, can realize refrigerated purpose, the air conditioning of release gets into inside box 1 from ventilative net 13, lower the temperature in the box 1, temperature probe 15 detects the inside temperature of box 1 and converts the temperature that detects into the signal of telecommunication transmission to controller 4 on, controller 4 shows the inside temperature of box 1, when the inside temperature of box 1 reaches the setting value, stop semiconductor refrigeration piece 12 and continue to lower the temperature, through accuse temperature subassembly 16, control the inside temperature of box 1, prevent that the temperature from causing the influence to the material evidence.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a case is drawed with trace material evidence to policeman, includes box (1), its characterized in that still includes closing cap (2), accuse temperature subassembly (16) and supporting component (17), supporting component (17) comprise auxiliary tank (3), support cover (5), bracing piece A (6), flexible cover (7) and bracing piece B (9), closing cap (2) are installed at box (1) top, auxiliary tank (3) are installed to box (1) lateral wall, box (1) bottom is installed and is supported cover (5), support cover (5) bottom is installed bracing piece A (6), flexible cover (7) are installed to bracing piece A (6) bottom, bracing piece B (9) are installed to flexible cover (7) bottom.

2. The trace physical evidence extraction box for public security according to claim 1, characterized in that: accuse temperature subassembly (16) comprises controller (4), protective housing (11), semiconductor refrigeration piece (12), ventilative net (13), fixed block (14) and temperature probe (15), box (1) externally mounted has controller (4), box (1) internally mounted has protective housing (11), protective housing (11) internally mounted has semiconductor refrigeration piece (12), ventilative net (13) and fixed block (14) are installed to protective housing (11) lateral wall, fixed block (14) surface mounting has temperature probe (15).

3. The trace physical evidence extraction box for public security according to claim 1, characterized in that: the supporting seat (10) is detachably mounted at the bottom of the supporting rod B (9).

4. The trace physical evidence extraction box for public security according to claim 1, characterized in that: thread groove (8) have been seted up to flexible cover (7) inside, bracing piece A (6) and bracing piece B (9) outer wall are all carved with screw thread and thread groove (8) adaptation.

5. The trace physical evidence extraction box for public security according to claim 2, characterized in that: and the power input ends of the controller (4), the semiconductor refrigerating sheet (12) and the temperature measuring probe (15) are connected with the power output end of an external power supply.