CN213276706U

CN213276706U - On-spot material evidence transfer device suitable for polymorphic type material evidence

Info

Publication number: CN213276706U
Application number: CN202021603158.5U
Authority: CN
Inventors: 杨松; 刘益; 潘楠; 张莉; 张斌; 钱俊兵; 赵成俊
Original assignee: Kunming Snlab Science Tech Co ltd
Current assignee: Kunming Snlab Science Tech Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-05-25
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a scene material evidence transfer device suitable for polymorphic type material evidence relates to material evidence management technical field. The utility model provides a field material evidence transfer device suitable for polymorphic type material evidence, field material evidence transfer device including transfer case, material evidence bag, RFID label, handheld terminal, radio frequency core lock, wireless module, warehouse pipe server, the RFID label has been posted on the material evidence bag, the material evidence bag is placed inside the transfer case, and radio frequency core lock is installed on the transfer case, RFID label and the two-way signal connection of handheld terminal, the output signal and the radio frequency core lock at handheld terminal are connected, and the output signal at handheld terminal passes through wireless module and the warehouse pipe server is connected. This design convenient to use can effectively realize tracing, tracing to the source of material evidence in the material evidence transfer process.

Description

On-spot material evidence transfer device suitable for polymorphic type material evidence

Technical Field

The utility model relates to a material evidence management technology field, concretely relates to on-spot material evidence transfer device suitable for polymorphic type material evidence.

Background

The physical evidence refers to all articles and traces for proving the real condition of the case, such as a crime tool, dirty articles, fingerprints, footprints, objects infringed by criminal behaviors, articles generated by criminal behaviors, and other traces and objects which may reveal crimes and check criminal suspects. The transfer case of material evidence only has simple material evidence and deposits the function among the prior art, survey the inspector and examine the scene, extract, after fixed material evidence, pack into the material evidence bag with the material evidence, the kind and the case number of pasting the material evidence on the material evidence bag, put into the transfer incasement with the material evidence bag again, can't trace, trace to the source the sealed deposit of material evidence, and the transfer case does not encrypt the processing, there is the possibility of being changed in the material evidence transfer, thereby lead to serious consequences such as case misjudgement, use inconveniently, unsatisfied user demand. Therefore, it is necessary to provide a field physical evidence transferring device suitable for multiple types of physical evidence.

Disclosure of Invention

An object of the utility model is to provide a scene material evidence transfer device suitable for polymorphic type material evidence solves current material evidence transfer case and can't trace, trace to the source to the material evidence sealing, uses inconveniently, unsatisfied user demand's problem.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a scene material evidence transfer device suitable for polymorphic type material evidence, scene material evidence transfer device including transfer case, material evidence bag, RFID label 1, handheld terminal 2, radio frequency core lock 3, wireless module 4, warehouse pipe server 5, material evidence bag facing has RFID label 1, and the material evidence bag is placed inside the transfer case, and radio frequency core lock 3 is installed on the transfer case, RFID label 1 and the 2 two-way signal connection of handheld terminal, and handheld terminal 2's output signal and radio frequency core lock 3 are connected, and handheld terminal 2's output signal passes through wireless module 4 and warehouse pipe server 5 is connected.

The further technical scheme is that a reader for reading the RFID label 1 is arranged on the handheld terminal 2.

The technical scheme is that the RFID tag 1 comprises a radio frequency chip and an antenna, and the handheld terminal 2 is communicated with the radio frequency chip through the antenna.

Compared with the prior art, the beneficial effects of the utility model are that: the application provides an on-spot material evidence transfer device suitable for polymorphic type material evidence, through pasting the RFID label on the material evidence bag, and write into the RFID label with material evidence information through handheld terminal, place the material evidence bag that will paste the RFID label in the transfer incasement, carry out the statistics of radio frequency dish storehouse through handheld terminal, and upload information to the storehouse management server through wireless module, write into disposable encryption information to box radio frequency core lock through handheld terminal of rethread, the sealed box, when the material evidence transports the appraisal place through the transfer case, open the transfer case through handheld terminal, carry out the material evidence and hand over. Thereby realized tracing, tracing to the source of the material evidence in material evidence transfer process, handheld terminal whole journey record material evidence investigation, sealed, transportation, kaifeng process, guaranteed the security of material evidence in the material evidence transfer process, avoided the material evidence to be changed in the transfer to lead to the case wrong judgement. This design convenient to use can effectively realize tracing, tracing to the source of material evidence in the material evidence transfer process.

Drawings

Fig. 1 is a block diagram of the control structure of the present invention.

Fig. 2 is a circuit diagram of the rf core lock of the present invention.

Fig. 3 is a circuit diagram of the RFID reader of the present invention.

In the figure: the system comprises a RFID (radio frequency identification device) tag 1, a handheld terminal 2, a radio frequency core lock 3, a wireless module 4 and a storage management server 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.

As shown in fig. 1-3, an on-site material evidence transfer device suitable for polymorphic type material evidence, on-site material evidence transfer device include transfer case, material evidence bag, RFID label 1, handheld terminal 2, radio frequency core lock 3, wireless module 4, warehouse pipe server 5, material evidence bag is last to be pasted with RFID label 1, and the material evidence bag is placed inside the transfer case, and radio frequency core lock 3 is installed on the transfer case, and RFID label 1 and handheld terminal 2 both-way signal connect, and handheld terminal 2's output signal and radio frequency core lock 3 are connected, and handheld terminal 2's output signal passes through wireless module 4 and warehouse pipe server 5 is connected.

The RFID tag 1 writes material evidence numbers and brief remarking case information into the handheld terminal 2, and meanwhile, data association is realized between the tag information and a field investigation and alarm integrated system; the transfer box comprises a development trace material evidence and a biological material evidence transfer box; the encryption mode of the transfer box is a two-way authentication encryption scheme of the RFID radio frequency tag, the functions of key distribution, identity authentication and communication encryption are realized by adopting a mode of combining an improved elliptic curve Diffie-Hellman (ECDH) algorithm with an Advanced Encryption Standard (AES), and meanwhile, the security in the communication process is enhanced by adopting a dynamic key algorithm; the wireless module 4 can select GPRS, 3G, WIFI or Bluetooth, etc.

During the use, material evidence information is write into through handheld terminal 2 to RFID label 1, writes into the back that finishes, places the material evidence bag that posts RFID label 1 in the transfer incasement, carries out the statistics of radio frequency dish storehouse through handheld terminal 2 to upload to the storehouse management server with information through wireless module 4, write into disposable encryption information to box radio frequency core lock 3 in the handheld terminal 2 of rethread, sealed box.

And a reader for reading the RFID label 1 is arranged on the handheld terminal 2. Through the design of reading the ware, can use handheld terminal 2 (discernment distance can reach 10 meters) to carry out the quick inventory of hand-held type, the label information that will read again through wireless communication module such as built-in GPRS, 3G, WIFI or bluetooth send to the storehouse management server and handle, shows in real time that the inventory is lacked data message and picture, conveniently carries out the secondary rapidly and checks and the material evidence is checked.

The RFID tag 1 comprises a radio frequency chip and an antenna, and the handheld terminal 2 is communicated with the radio frequency chip through the antenna. Through the design of the antenna in the RFID tag 1, the handheld terminal 2 and the RFID tag 1 can communicate conveniently, and through the design of the radio frequency chip, the handheld terminal 2 can write and read information in the RFID tag 1 conveniently.

The working principle is as follows: after the physical evidence is extracted, writing physical evidence information into the RFID tag 1 through the handheld terminal 2, pasting the physical evidence information on a disposable sealed physical evidence bag, putting the physical evidence in the bag, and sealing the bag; after the investigation is finished, the material evidence bags are classified and loaded into a material evidence transfer box, the material evidence bags in the box body are counted through the radio frequency warehouse function of the handheld terminal 2 after the box is loaded, the counted information is uploaded to a warehouse management server 5 through a wireless module 4, the disposable encryption information is written into a box body radio frequency core lock 3 through the handheld terminal 2, and the box body is sealed; when the material evidence is transported to an identification place through the transfer box, the transfer box is opened through the handheld terminal 2 under the condition that an identification person is on the spot, and the material evidence is handed over.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides an on-spot material evidence transfer device suitable for polymorphic type material evidence which characterized in that: on-spot material evidence transfer box including transfer case, material evidence bag, RFID label (1), handheld terminal (2), radio frequency core lock (3), wireless module (4), warehouse management server (5), material evidence bag facing has RFID label (1), and the material evidence bag is placed inside the transfer case, and radio frequency core lock (3) are installed on the transfer case, RFID label (1) and handheld terminal (2) two-way signal connection, the output signal and the radio frequency core lock (3) of handheld terminal (2) are connected, the output signal of handheld terminal (2) passes through wireless module (4) and is connected with warehouse management server (5).

2. The field physical evidence transfer device of a multi-type physical evidence according to claim 1, characterized in that: and a reader for reading the RFID label (1) is arranged on the handheld terminal (2).

3. The field physical evidence transfer device suitable for multiple types of physical evidence according to claim 2, characterized in that: the RFID tag (1) comprises a radio frequency chip and an antenna, and the handheld terminal (2) is communicated with the radio frequency chip through the antenna.