CN110288902B

CN110288902B - Anti-theft electronic seal and its manufacturing method

Info

Publication number: CN110288902B
Application number: CN201810225100.2A
Authority: CN
Inventors: 陈志权
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-19
Filing date: 2018-03-19
Publication date: 2021-04-23
Anticipated expiration: 2038-03-19
Also published as: CN110288902A

Abstract

The invention discloses an anti-theft electronic seal and a manufacturing method thereof. The anti-theft electronic seal is composed of a plug and a plug seat. The plug includes: a conductor with a receiving hole, a circuit board installed in the receiving hole, an insulating sleeve covering the upper part of the conductor and a first clamping configuration arranged at the lower part. The circuit board is a control circuit composed of an RFID chip and a lower contact, the lower contact is controlled to protrude from the bottom end of the receiving hole, an antenna and a spring are arranged in the plug seat, a plug hole for the lower part of the conductor to be inserted is arranged in the outer circumference, and a second clamping configuration for positioning the first clamping configuration is arranged, so that the spring can provide pre-pressure, so that the antenna, the control circuit and the conductor are electrically connected, and the electrical connection can be interrupted when the plug is cut off. The antenna is composed of a glue layer combined with the spring and a metal layer contacting the lower contact, and when the plug is forced to rotate around the plug hole, the control circuit board or the lower contact will scratch the metal layer to form a circuit breaker area to interrupt the electrical connection, so that the electronic seal maintains the alarm function.

Description

Anti-theft electronic seal and manufacturing method thereof

Technical Field

The present invention relates to an anti-theft electronic seal and a manufacturing method thereof, particularly to a technology that a thief can cut off the electrical connection in advance before forcing a plug to self-rotate to destroy a first or a second clamping configuration.

Background

The latest Electronic seal technology, as shown in the inventor's approved US 9508271B 2 "Electronic bottle seal", which was a prior art patent that after a thief grinds the plug tip diameter, the electrical connection is surely cut off to provide a customs identification host alarm through electromagnetic wave identification, the inventor found the following problems:

firstly, when a thief forces the plug to rotate around the bolt seat continuously by an electric tool (an electric drill), the first or second clamping configuration is damaged, the plug and the bolt seat are separated, then, the door bolt of the container can be opened for stealing or replacing, after the process is finished, the plug only needs to be inserted into the bolt seat and then is reversely buckled on the door bolt of the container, and the electronic seal can normally operate as before, so that the customs identification host can not give an alarm.

After the electronic seal is produced, the quality control personnel need to feed back the test through the identification host, but the identification host is not cheap and cannot be purchased in large quantities, so that the quality control efficiency cannot be improved.

Disclosure of Invention

The invention aims to provide an anti-theft electronic seal which can interrupt the electrical connection and keep the electronic seal with the alarm function and a manufacturing method thereof.

Based on the above, the present invention mainly adopts the following technical means to achieve the above object.

An anti-theft electronic seal, comprising at least: the plug is composed of a conductor and a circuit board; the conductor is provided with a containing hole penetrating through the bottom surface, the periphery of the upper part of the conductor is coated with an insulating sleeve, and the periphery of the lower part of the conductor is provided with a first clamping configuration; the circuit board is arranged in the containing hole, a control loop is formed by the circuit wiring, the RFID chip and the lower contact, and the lower contact is controlled to protrude out of the bottom end of the containing hole; the bolt seat is internally provided with an antenna and a spring plate, is also provided with a jack for inserting the lower part of the conductor, and is provided with a second clamping configuration for positioning the first clamping configuration, so that the spring plate can be controlled to provide pre-pressure for the antenna and the circuit board, the antenna, the control loop and the conductor are electrically connected, and the electrical connection can be interrupted when the bolt is cut off; the antenna is composed of a glue layer combined with the elastic sheet and a metal layer for the contact of the lower contact point, and when the plug is forced to rotate around the jack, the circuit board or the lower contact point can be driven to break the metal layer, and a circuit breaking ring area is formed on the metal layer to break the electrical connection.

Furthermore, the hardness of the lower contact point is greater than that of the metal layer, and when the plug is forced to rotate continuously under the condition of electrical connection of the antenna, the control loop and the conductor, the pre-pressure margin of the elastic sheet is enough to enable the lower contact point to cut the metal layer, so that the metal layer forms a circuit breaking ring area.

Furthermore, the bottom end of the circuit board is provided with a puncture needle which protrudes below the lower contact point, and the puncture needle can be driven to cut through the metal layer to form a broken ring area when the antenna, the control loop and the conductor are electrically connected and the puncture needle can be driven to cut through the metal layer when the plug is forced to rotate continuously.

Furthermore, the plug is also provided with an upper measuring area for keeping a part of the outer periphery of the exposed conductor, the plug seat is concavely provided with a lower measuring area for keeping a part of the exposed antenna on the outer periphery, the antenna, the control loop and the conductor are electrically connected, and the upper measuring area and the lower measuring area can provide instrument contact detection for the electrical connection.

Furthermore, the containing hole penetrates through the top surface and the bottom surface of the conductor, the top edge of the containing hole is provided with a countersunk head cavity, the top edge of the countersunk head cavity is also provided with a positioning cavity, the positioning cavity is used for sealing an upper cover with conductivity, and the insulating sleeve is concavely provided with an upper measuring area which is exposed to one part of the top surface of the upper cover; the circuit board is also provided with an insulated inner rod, and the inner rod is provided with an elastic part which can be buckled with the countersunk head hole and the bottom surface of the upper cover and is used for suspending the circuit board in the accommodating hole; the bolt seat is formed by closing a first shell seat and a second shell seat, then inserting a hollow shell and sealing the bottom end of the shell by a bottom cover, the bottom cover is further provided with a lower measurement area communicated with the bottom end of the first shell seat, the upper parts of the first shell seat and the second shell seat are closed by a jack for inserting the lower part of a conductor, the first shell is also provided with a hollow area communicated with the bottom end of the jack, a combining surface extends downwards from the bottom end of the hollow area, the top end of the combining surface is obliquely provided with a spring sheet, the combining surface and the spring sheet are used for mounting an antenna, the antenna is mounted at the bottom end of the first shell seat by a folded edge, and the lower measurement area keeps exposing a part of the folded edge.

A method for making an anti-theft electronic seal includes the steps: providing a plug, socket according to claim 1 or 2; the antenna is made of four layers of stickers, and is formed by sequentially downwards overlapping a light transmission layer, a metal layer, a glue layer and a release layer, then a plurality of contour lines penetrating through the metal layer in depth are cut on the back surface of the release layer, the contour lines are opposite to the shape of the antenna, the release layer in each contour line range is torn off, then the light transmission layer in each contour line range is downwards pressed, and the metal layer and the glue layer can be transferred to the bolt base to finish the installation of the antenna.

Preferably, the sticker is further provided with a through alignment hole, the alignment hole is matched with an alignment pin of a jig, and the jig is further provided with a mold cavity at a position corresponding to each contour line for limiting the bolt base one by one so that the bolt base provides antenna installation.

By adopting the technical means, the invention adopts the structural design of the plug and the plug seat, the plug comprises a conductor with a containing hole and a circuit board arranged in the containing hole, the upper part of the conductor is coated with an insulating sleeve, the lower part of the conductor is provided with a first clamping configuration, the circuit board forms a control loop by an RFID chip and a lower contact, the lower contact protrudes out of the bottom end of the containing hole, the plug seat is internally provided with an antenna and a spring plate, the periphery of the plug seat is concavely provided with a jack for inserting the lower part of the conductor, and the plug seat is provided with a second clamping configuration for positioning the first clamping configuration, so that the spring plate can provide pre-pressure to electrically connect the antenna, the control loop and the conductor, and the electrical connection can be interrupted when the plug is cut off, the antenna consists of a glue layer combined with the spring plate and a metal layer contacting the lower contact, and when the plug is forced to rotate around the jack, the control circuit board or the, the electronic seal is kept with the alarm function so as to improve the defects of the prior patent of the patent.

Drawings

FIG. 1 is an exploded view of the present invention.

Fig. 2 is a schematic diagram of a circuit board of the present invention.

Fig. 3, 4 and 5 are schematic flow diagrams of the antenna mounted on the bolt seat according to the present invention.

FIGS. 6 and 7 are schematic views showing the relative positions of the bolt, the container door bolt and the bolt seat according to the present invention.

FIG. 8 is a schematic diagram of the present invention illustrating quality control using an instrument.

FIG. 9 is a cross-sectional view of the plug assembly housing of the present invention.

FIG. 10 is a schematic diagram of the present invention forcing the plug to rotate to break the antenna metal layer.

[ notation ] to show

A bolt

10 conductor 11 shaft

12 cap head and 13 containing holes

13A acupoint for sinking head and 13B locating acupoint

14 lantern ring 15 upper cover

16 first snap arrangement 17 insulating sleeve

18 upper measuring area

20 circuit board 21 necking part

22 control circuit 221 circuit wiring

222 lower contact 223 RFID wafer

224 battery S puncture needle

30 inner rod 31 elastic part

B bolt seat

41 first housing seat 411 hollowed-out area

412 combining surface 413 elastic sheet

42 second housing seat 43 outer housing

44 bottom cover 45 lower measuring area

46 jack

50 antenna 50A flange

500 paster 51 glue layer

52 metal layer R open loop area

53 euphotic layer 54 release layer

55 contour 56 alignment hole

60 tool 61 is to butt joint tip

62 mould cavity

70 second snap-fit arrangement 71 Ring groove

72 buckle ring

C door bolt C1 bolt hole

M1 Positive electrode Probe M2 negative electrode Probe.

Detailed Description

Referring to fig. 6 and 8, the anti-theft electronic seal of the present invention is composed of a bolt a and a bolt seat B, wherein the bolt a can be inserted into the bolt seat B from top to bottom to lock a bolt hole C1 of a container bolt C, so as to provide a customs identification host to determine whether the container is normally opened.

Referring to fig. 1 to 8, the plug a mainly comprises a conductor 10, a circuit board 20 and an insulating inner rod 30; wherein;

the conductor 10 has a shaft 11, a cap 12 radially expanding on the top of the shaft 11, a hole 13 through the top and bottom, a lantern ring 14 abutting on the bottom of the cap 12, the diameter of the above-mentioned cap 12 is enough to abut on the keeper C, and the top edge of the hole 13 has a large inner diameter countersunk head cavity 13A, and there is a larger inner diameter positioning cavity 13B on the top edge of the countersunk head cavity 13A, the positioning cavity 13B is for the upper cover 15 with conductivity to seal, the conductor 10 has a first snap-fit configuration 16 on the lower peripheral ring, and there is an insulating cover 17 capable of covering the lantern ring 14, the upper cover 15 on the upper peripheral ring, in addition, the insulating cover 17 has a upper measuring area 18 on the top end to keep exposing a part of the top surface of the upper cover 15;

the circuit board 20 is suspended in the hole 13 through the insulating inner rod 30 fixed on the back, making the bottom surface of the neck 21 protrude from the bottom end of the hole 13, and further making the circuit wiring 221, the lower connection point 222, the RFID chip 223 and the battery 224 form the control circuit 22, the lower connection point 222 is configured on the rectangular bottom surface of the neck 21, so that it has the potential of protruding from the bottom end of the hole 13 at any time, the bottom end of the circuit board 20 is provided with a needle S protruding from the corner of the lower connection point 222, and the bottom end of the needle S protrudes below the lower connection point 222; the inner rod 30 has an elastic portion 31 that can be engaged with the countersunk hole 13A and the bottom surface of the upper cover 15, so that the circuit board 20 is elastically suspended from the accommodating hole 13.

Referring to fig. 1 to 8, the bolt seat B is formed by joining the first housing seat 41 and the second housing seat 42, and then inserting the first housing seat 41 and the second housing seat 42 into a hollow housing 43, and closing the bottom end of the housing 43 with a bottom cover 44, the bottom cover 44 further having a lower measurement area 45 communicating with the bottom end of the first housing seat 41, the bolt seat B joining a jack 46 for inserting the lower portion of the conductor 10 to the upper portions of the first housing seat 41 and the second housing seat 42, the first housing 41 further having a hollow area 411 communicating with the bottom end of the jack 46, and a wedge-shaped joining surface 412 extending downward from the bottom end of the hollow area 411, and a resilient piece 413 obliquely disposed in the hollow area 411 extending from the top end of the joining surface 412, wherein the

joining surfaces

412, 413 and the bottom end of the first housing seat 41 are used for mounting the antenna 50;

the antenna 50 is at least composed of a glue layer 51 and a metal layer 52, the glue layer 51 is adhered to the combining surface 412 inside the bolt seat B, the spring piece 413 and the bottom end of the first shell seat 41, the metal layer 52 is covered on the glue layer 51, and the hardness of the lower contact 222 is further controlled to be greater than that of the metal layer 52, as shown in fig. 3 to 5, the antenna 50 is still manufactured by adopting a four-layer sticker 500, which is sequentially formed by overlapping a transparent layer 53, the metal layer 52, the glue layer 51 and a release layer 54, then a plurality of contour lines 55 penetrating through the metal layer 52 with a certain depth are cut on the back surface of the release layer 54, the contour lines 55 are matched with the shape of the antenna 50, alignment holes 56 are further arranged at proper positions of the sticker 500, the alignment holes 56 are matched with alignment pins 61 of a jig 60, the jig 60 is further provided with mold cavities 62 at positions corresponding to each contour line 55 for providing the position limitation of the first shell seat 41 one by one, the release layer 54 within the, then, the alignment hole 56 is installed on the alignment pin 61, and then the transparent layer 53 at the position torn off by the release layer 54 is pressed downwards, so that the metal layer 52 and the adhesive layer 51 can be transferred to the bonding surface 412 and the elastic sheet 413, and then the residual sticker 500 is removed, the first housing 41 is demoulded, finally the folded edge 50A of the antenna 50 is controlled to be adhered to the bottom end of the first housing 41, and the lower measurement area 45 is enabled to remain to expose a part of the folded edge 50A of the antenna 50, so that the installation of each first housing 41 and the antenna 50 can be easily completed;

the bolt seat B is provided with a second clamping configuration 70, the second clamping configuration 70 is provided with an annular groove 71 radially expanded outside the plug hole 46, the annular groove 71 is provided with a retaining ring 72, after the plug A is sequentially inserted into the bolt hole C1 and the plug hole 46, the first clamping configuration 16 is positioned by the retaining ring 72 to lock the door bolt C of the container, at this time, the elastic sheet 413 of the bolt seat B can provide a pre-pressure F to control the antenna 50 to contact the lower contact 222, and the needle S at least pierces the metal layer 52 and pushes the circuit board 20 to move upwards against the elastic part 31, so that the control loop 22 is electrically connected with the upper cover 15, the conductor 10 and the antenna 50 (the technology is disclosed in the above patent application and is not detailed), so that the RFID chip 223 emits the set electromagnetic wave to provide the automatic management of the identification host of customs, but when a thief steals or replaces the goods inside the container by cutting the plug A, the circuit board 20 forms an open circuit to interrupt the electrical connection, the identification host of customs judges that the container is abnormal;

as shown in FIG. 8, when the production of the present invention is completed, the quality control personnel need to use the plug A to assemble the plug seat B to test whether the circuit board 20 inside the plug A is electrically connected with the antenna 50 and the conductor 10, the upper measurement area 18 of the present invention can allow the positive probe M1 of the tri-purpose meter instrument to contact the upper cover 15, and the lower measurement area 45 can allow the negative probe M2 of the tri-purpose meter instrument to contact the folded edge 50A of the antenna 50, so as to easily detect whether the electrical connection is normal, therefore, the purchase cost of the instrument is far lower than that of the existing identification host, and the upper measurement area 18 and the lower measurement area 45 of the present invention can be used for the instrument feedback test of the common tri-purpose meter, so that the instrument purchase cost is far lower than that of the existing identification host, and the quality.

Please refer to fig. 9 and 10, which illustrate that a thief uses an electric tool (electric drill) to force the plug a to continuously rotate, so as to break the positioning of the first engaging configuration 16 and the second engaging configuration 70, and further separate the plug a and the socket B for theft or replacement, while the plug a is continuously rotated, since the needle S has penetrated the metal layer 52, the metal layer 52 is broken by the needle S, so as to form a broken ring region R, thereby breaking the electrical connection, so as to effectively alarm the identification host, in addition, even if the arrangement of the invention without the needle S penetrating the metal layer 52 defines that the hardness of the lower contact 222 is greater than that of the metal layer 52, and the pre-pressure F margin of the spring 413 is sufficient to make the corner of the lower contact 222 break the metal layer 52, the corner of the lower contact 222 can break the metal layer 52, so that the metal layer 52 forms a broken ring region R.

Claims

1. an anti-theft electronic seal, is characterized in that, comprises at least:

A plug is composed of a conductor and a circuit board; the conductor has an accommodating hole penetrating the bottom surface, and the upper outer periphery is covered with an insulating sleeve, and the lower outer periphery is provided with a first engaging configuration; the circuit board is installed in the accommodating hole, and is wired with circuit , The RFID chip and the lower contact form a control loop, and control the lower contact to protrude from the bottom end of the container hole; and

A bolt seat is provided with an antenna and an elastic sheet inside, and an insertion hole for the lower part of the conductor to be inserted, and a second engagement configuration for positioning the first engagement configuration, so as to control the elastic sheet to provide pre-pressure to the antenna and The circuit board makes the electrical connection between the antenna, the control loop and the conductor, and can interrupt the electrical connection when the plug is cut off; the aforementioned antenna is composed of a glue layer combined with the shrapnel, a metal layer for the contact of the lower contact, and is forced to When the plug rotates around the jack, it can drive the circuit board or the lower contact to break the metal layer to interrupt the electrical connection; the hardness of the aforementioned lower contact is greater than the hardness of the metal layer, and it is forced to be inserted under the condition of electrical connection between the antenna, the control circuit and the conductor. When the bolt rotates continuously, the pre-pressure margin of the shrapnel is enough to make the lower contact break through the metal layer.

2 . The anti-theft electronic seal of claim 1 , wherein the bottom contact is cut through the metal layer at a corner, so that the metal layer forms an open loop area. 3 .

3. The anti-theft electronic seal as claimed in claim 1, characterized in that: the bottom end of the circuit board protrudes with a puncture needle, and the bottom end of the puncture needle protrudes below the lower contact point. When the antenna, the control loop and the conductor are electrically connected, the puncture needle protrudes It is sufficient to pierce the metal layer, and when the plug is forced to rotate continuously, the puncturing needle can be driven to pierce the metal layer to form a circuit breaker area.

4. The anti-theft electronic seal according to any one of claims 1, 2 or 3, wherein the plug is further provided with an upper measuring area for keeping a part of the outer circumference of the exposed conductor, and the plug seat is recessed on the outer circumference with a part of the bare open wire In the lower measurement area, the antenna, the control loop and the conductor are electrically connected, and the upper measurement area and the lower measurement area can provide instruments for contact detection of the electrical connection.

5. The anti-theft electronic seal as claimed in claim 4, wherein the accommodating hole runs through the top surface and the bottom surface of the conductor, and the top edge of the accommodating hole has a countersunk hole, and a positioning hole is also provided on the top edge of the countersunk hole , the positioning hole is closed by a conductive upper cover, and the insulating sleeve is recessed to keep a part of the top surface of the upper cover exposed; an insulating inner rod is installed on the circuit board. The head hole and the elastic part on the bottom surface of the upper cover are used to suspend the circuit board in the accommodating hole; the bolt seat is matched by the first shell seat and the second shell seat, and then inserted into a hollow shell, and the shell is closed with a bottom cover The bottom cover is formed with a lower measuring area connected to the bottom end of the first shell seat. The upper part of the first shell seat and the second shell seat is matched with a socket for the lower part of the conductor to be inserted, and the first shell seat and the second shell seat The shell also has a hollow area that communicates with the bottom end of the jack, and a joint surface extending downward at the bottom end of the hollow area, and a shrapnel is obliquely arranged at the top of the joint surface, and the joint surface and the shrapnel are used for the installation of the antenna, and the antenna A folded edge is installed on the bottom end of the first shell base, and a part of the folded edge is kept exposed in the lower measuring area.

6. A method for making an anti-theft electronic seal, characterized in that the steps comprise: providing a plug and a plug seat as claimed in claim 1 or 2; , the adhesive layer and the release layer are stacked downward, and then a number of contour lines that penetrate the metal layer are cut on the back of the release layer. The contour lines are opposite to the shape of the antenna. Tear off the mold layer, and then press down the light-transmitting layer in each contour line range, and the metal layer and the adhesive layer can be transferred to the bolt seat to complete the installation of the antenna.

7. The method for making an anti-theft electronic seal as claimed in claim 6, wherein the sticker is further provided with a penetrating alignment hole, the alignment hole is matched with the alignment pin of a jig, and the jig is more corresponding to The position of each contour line is provided with a mold cavity, which is used to provide the pin seat limit one by one, so that the pin seat can provide the antenna installation.