TWI502121B - Electronic seal - Google Patents

Description

Electronic seal

The present invention relates to an electronic seal, and more particularly to an electronic seal that provides identification through an electronic tag.

Electronic seals are mainly used to seal doors such as containers to help identify containers and prevent containers from being dropped or stolen during shipment.

Referring to FIG. 1, an electronic seal is disclosed in Taiwan Patent No. I292007, which includes a socket 11 and a plug 12. A fastening device 111 for fastening the plug 12, a radio frequency identification chip 112, and two pins 113 connected to the radio frequency identification chip 112 are disposed in the socket 11. The plug 12 is provided with an antenna device 121 and two pins 122 connected to the antenna device 121. When the plug 12 is inserted into the socket 11, the plug 12 is fastened by the fastening device 111 and cannot be retracted from the socket 11, and the two pins 122 respectively touch the two pins 113, so that the antenna device 121 and the radio frequency identification chip 112 are formed. Electrical connections. Thereby, the antenna device 121 can receive an electromagnetic wave emitted by the recognition host, modulate an identification electromagnetic wave through the radio frequency identification chip 112 and transmit it by the antenna device 121, so that the identification host can know the identity of the container after receiving the identification electromagnetic wave.

Radio frequency identification chip 112 and antenna if plug 12 is cut The electrical connection between the devices 121 is interrupted and the identification electromagnetic wave cannot be emitted. At this time, the identification host can determine that the electronic seal is damaged because the position of the electronic seal cannot be continuously detected.

Furthermore, after the container shipping task is completed, the plug 12 of the electronic seal is cut and the electronic seal is detached from the door of the container so that the door of the container can be opened. The plug 12 of the electronic seal can not be used after being cut and destroyed, so the electronic seal is a structure that is discarded after being used once. Therefore, the use of the aforementioned electronic seal is costly.

Therefore, an object of the present invention is to provide an electronic seal having a first electronic tag and a second electronic tag, wherein the first and second electronic tags respectively provide first and second identification codes for identification, so that the electronic seal It can display the open state and the locked state respectively.

Another object of the present invention is to provide an electronic seal which can be switched from a locked state to an open state when the latch is broken or accidentally released from the locked state, so as to facilitate the reader. The read range continuously detects the position of the electronic seal.

It is still another object of the present invention to provide an electronic seal which can block the carrier when the pin is sheared or accidentally released from the locked state with the socket to prevent the pin or The other rods are reinserted into the socket to ensure that the electronic seal remains open.

It is still another object of the present invention to provide an electronic seal that provides a user with repeated use of the socket to reduce the cost of use.

Thus, the electronic seal of the present invention comprises a socket, an inductive component, an actuating component, and a latch.

The socket includes a metal shield, the metal shield defines a hollow portion, and the sensing component includes a carrier disposed in the socket, a first electronic tag disposed on the carrier, and a carrier disposed on the carrier a second electronic tag, the first electronic tag provides a first identification code for identification, and the second electronic tag provides a second identification code different from the first identification code for identification. Moving relative to the metal shield between a first position and a second position, when the carrier is in the first position, the first electronic tag corresponds to the hollow portion and the second electronic tag is replaced by the metal The shield is shielded. When the carrier is in the second position, the second electronic label corresponds to the hollow portion, and the first electronic label is shielded by the metal shield. The actuating element is disposed in the socket to cause Moving the carrier to move to the first position in a moving direction, the latch can be inserted into the socket and push the carrier to move from the first position to the second position, when the latch moves to a lock In this When the seat is in the locked position, the carrier is positioned in the second position, and when the latch is unlocked from the socket, the carrier is actuated by the actuating element to be moved by the second position in the moving direction To the first position.

The effect of the invention is that the first and second identification codes are respectively provided by the first and second electronic tags for identification, so that the electronic seals can respectively display an open state and a locked state. When the latch is broken or accidentally released from the locked state, the electronic seal can be switched from the locked state to the open state, so that the reading range of the reader can be continuously detected. Go to the location of the electronic seal. In addition, when the latch is broken or accidentally released from the locked state with the socket, the stopper is blocked by the stopper of the stopper mechanism to prevent the plug or other member from being inserted into the socket again, thereby ensuring the electronic The seal is kept open. Moreover, by means of the design that the key can drive the stop member to move from the stop position to the non-stop position, the user can be repeatedly used to reduce the cost of use.

200, 210‧‧‧ electronic seals

220‧‧‧Electronic seal

2‧‧‧ socket

21‧‧‧ housing

211‧‧‧ first shell

212‧‧‧Second shell

213‧‧ ‧ room

214, 237‧‧‧ jack

215‧‧‧ outer wall

216‧‧‧ hook

217, 644‧‧ ‧ bevel

218, 236‧‧ ‧ hollowing out

219‧‧‧ positioning column

220‧‧‧support board

221‧‧‧Support

222, 240‧‧ ‧ stop

223, 246‧‧ ‧ chute

224‧‧‧Perforation

225‧‧‧ round hole

226‧‧‧ long hole

23‧‧‧Metal shields

231‧‧‧First metal mask

232‧‧‧Second metal mask

233‧‧‧ first through hole

234‧‧‧ round hole

235‧‧‧Elongated hole

238‧‧‧Second through hole

239‧‧‧ card slot

241‧‧‧ side panels

242‧‧‧End board

243‧‧‧First baffle

244‧‧‧second baffle

245‧‧‧third baffle

247‧‧‧First guiding bevel

248‧‧‧Second guiding bevel

249‧‧‧ channel

250‧‧‧limit guide

3‧‧‧Sleeve

31‧‧‧End wall

32‧‧‧ Around the wall

321‧‧‧Long guide channel

33‧‧‧ accommodating slots

34‧‧‧ Positioning film

4‧‧‧Induction components

41‧‧‧Carrier

411‧‧‧ board

412‧‧‧Cylinder

413‧‧‧ first end

414‧‧‧ second end

415‧‧‧Flange

416‧‧‧ protruding plate

End of 417‧‧

418‧‧‧ side

42‧‧‧First electronic label

43‧‧‧Second electronic label

5‧‧‧Actuating element

6‧‧‧Latch

61‧‧‧Outer

611‧‧‧ head

612‧‧‧ tail

613‧‧‧Wall

614‧‧‧ Inner Ring

615‧‧‧ center hole

616‧‧‧ first hole

617‧‧‧Second hole

618‧‧‧Connected hole

619‧‧‧ side opening

62‧‧‧ inner rod

621‧‧‧First body

622‧‧‧Second body

623‧‧‧ outer perimeter

63‧‧‧First spring

64‧‧‧ Cards

641‧‧‧Abutment block

642‧‧‧ card block

643‧‧‧Arc-shaped abutment

65‧‧‧Second spring

7‧‧‧stop mechanism

71‧‧‧stops

711‧‧ ‧block

712‧‧‧ Slider

713‧‧‧ Skateboarding

714‧‧‧ Groove

72‧‧‧ bias components

721‧‧‧Compression spring

722‧‧‧Contact plate

73‧‧‧Closed board

731‧‧‧Pushing bevel

8‧‧‧ key

81‧‧‧Pushing rod

82‧‧‧Cards

9‧‧‧Lock lever

91‧‧‧Perforation

D1‧‧‧ moving direction

D2‧‧‧Insert direction

D3‧‧‧ release direction

I‧‧‧ arrow

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is an exploded perspective view of the Taiwan Patent No. I292007, illustrating the assembly relationship between the socket and the plug. 2 is a perspective view of the first preferred embodiment of the electronic seal of the present invention, illustrating the insertion of the latch into the socket; FIG. 3 is an exploded perspective view of the first preferred embodiment of the electronic seal of the present invention, illustrating the socket, the sleeve, and the sensing Figure 4 is a cross-sectional exploded view of the first preferred embodiment of the electronic seal of the present invention, illustrating the state in which the sleeve, the sensing assembly, and the actuating member are assembled in the socket, The detailed structure of the latch and the carrier are positioned in the first position; FIG. 5 is a schematic view of the use of the first preferred embodiment of the electronic seal of the present invention, illustrating the insertion of the pin through the perforation of the lock bar and insertion into the socket and pushing of the carrier And the inclined surface of each of the latches of the latch abuts against the slope of the corresponding hook; FIG. 6 is a schematic view of the use of the first preferred embodiment of the electronic seal of the present invention The figure shows that the latch is positioned in the locked position, and the carrier is positioned in the second position. FIG. 7 is a schematic view showing the use of the first preferred embodiment of the electronic seal of the present invention, illustrating that the pin is located between the head and the socket. FIG. 8 is a schematic view showing the use of the first preferred embodiment of the electronic seal of the present invention, illustrating that the first hole of the central hole of the pin is exposed, and the elastic force of the first spring causes the inner rod to move outward in the moving direction to make the inner rod and the card When the jaws are separated, the elastic force of the second spring biases the latching member in the disengaging direction to be ejected into the second hole portion of the center hole; FIG. 9 is a schematic view showing the use of the first preferred embodiment of the electronic seal of the present invention. The actuating element actuates the carrier to move in the moving direction to the first position; FIG. 10 is an exploded perspective view of the second preferred embodiment of the electronic seal of the present invention, illustrating the socket, the sleeve, the sensing assembly, the actuating element and Figure 11 is a cross-sectional view taken along line 11-11 of Figure 10, illustrating the closure plate being positioned in a closed position enclosing the passageway, and the stop member being positioned in a non-stop position; 12 is the hair A schematic view of the use of a second preferred embodiment of the electronic seal, illustrating that the latch is inserted into the socket and pushing the carrier to move, and the carrier pulls the closure panel away from the closed position such that the second end of the carrier penetrates into the channel; Is a schematic view of the use of the second preferred embodiment of the electronic seal of the present invention, illustrating that the carrier is positioned at the second position, and the stopper of the stopper abuts against the surface of the plate; Figure 14 is a schematic view showing the use of the second preferred embodiment of the electronic seal of the present invention, illustrating that the carrier is positioned in the first position, and the biasing member biases the stopper to slide to a stop position; Figure 15 is the present invention An exploded perspective view of a third preferred embodiment of the electronic seal illustrating the assembly relationship between the socket, the sleeve, the sensing assembly, the actuating member, the latch, and the stop mechanism; and FIG. 16 is a third preferred embodiment of the electronic seal of the present invention. The cross-sectional view of the socket of the embodiment illustrates the carrier being positioned in the first position; and FIG. 17 is a perspective view of the third preferred embodiment of the electronic seal of the present invention, illustrating that the carrier is positioned in the first position and the stop is in the stop position Position, the second case member of the housing is omitted in the figure; FIG. 18 is a partial plan view of the third preferred embodiment of the electronic seal of the present invention, illustrating the stop of the push rod of the key pushing the stop member, so that the stop member Moving to the non-stop position; and Figure 19 is a perspective view of a third preferred embodiment of the electronic seal of the present invention illustrating the stop member positioned in the non-stop position to enable the latch to push the carrier to the second position.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 2, FIG. 3 and FIG. 4, a first preferred embodiment of the electronic seal of the present invention, the electronic seal 200 comprises a socket 2, a sleeve 3, an inductive component 4, an actuating component 5, and a latch 6 .

The socket 2 includes a housing 21 and a metal shield 23. this The housing 21 of the embodiment is generally rectangular in shape made of a plastic material, the housing 21 includes a first housing member 211, and a second housing member 212 that covers the first housing member 211. The two shell members 212 and the first shell member 211 can be coupled to each other through a snap-on manner or a screw-locking manner, for example, the hooks and the card slots are matched. The first shell member 211 and the second shell member 212 together define a chamber 213 and a receptacle 214 for allowing the chamber 213 to communicate with the outside. The chamber 213 is for receiving the metal shield 23, the sleeve 3, the sensing assembly 4 and the actuating element 5. The latch 6 can be inserted into the chamber 213 via the receptacle 214.

The first and second shell members 211 and 212 respectively include an outer wall 215 and a hook 216 protruding from the inner wall surface of the outer wall 215. The hooks 216 of the first and second shell members 211 and 212 are spaced apart and correspondingly positioned. The two hooks 216 are used for snapping into the latch 6 inserted into the chamber 213 to prevent the latch 6 from being disengaged from the chamber 213 via the receptacle 214.

The metal shield 23 includes a first metal mask 231 disposed in the chamber 213 and away from the receptacle 214, and a second metal shield 232 disposed in the chamber 213 adjacent to the receptacle 214. The first metal cover 231 is hollow and is formed with a first through hole 233 for the sleeve 3 and the sensing assembly 4 to pass through. The first through hole 233 of the present embodiment has a circular hole portion 234 that matches the shape of the sleeve 3, and two elongated hole portions 235 that communicate with opposite ends of the circular hole portion 234, respectively.

The second metal mask 232 is spaced from the first metal mask 231 and defines a hollow portion 236 with the first metal mask 231. The second metal mask 232 is hollow and forms a socket 237 communicating with the socket 214, a second through hole 238 on the opposite side of the socket 237, and two opposite sides. Side card slot 239. The jack 237 is used for the insertion of the pin 6. The second through hole 238 is elongated. The first through hole 233 of the first metal cover 231 and the second through hole 238 of the second metal cover 232 are respectively connected to the hollow portion. 236 opposite side. Each of the clasps 216 is latched into the corresponding slot 239 and extends through the slot 239 into the second metal cover 232. The second metal cover 232 is internally provided with two left and right spaced stop portions 240 for blocking the sensing assembly 4 to limit its moving position.

The sleeve 3 extends through the circular hole portion 234 of the first through hole 233 into the first metal cover 231. The sleeve 3 includes an end wall 31, and a surrounding wall formed on the outer periphery of the end wall 31 and extending in the axial direction. 32. The end wall 31 of the sleeve 3 can be adhered to the first metal cover 231 by, for example, adhesive bonding. The end wall 31 of the sleeve 3 and the surrounding wall 32 define a receiving groove 33. The first end of the wall 32 defines two elongated guiding grooves 321 extending in the axial direction, which are opposite to the opposite sides of the receiving groove 33. The shaped guide groove 321 is in communication with the corresponding elongated hole portion 235.

The sensing component 4 includes a substantially plate-shaped carrier 41, a first electronic tag 42 disposed on the carrier 41, and a second electronic tag 43 disposed on the carrier 41. The carrier 41 includes a plate 411 for carrying the first and second electronic tags 42 and 43, and a post 412. The plate body 411 includes a first end 413 facing the insertion holes 214, 237, and a second end 414 opposite to the first end 413. The first end 413 of the plate body 411 can extend through the second through hole 238 to the first end. The second end 414 of the plate 411 can penetrate into the first metal cover 231 via the first through hole 233 and can simultaneously penetrate into the receiving groove 33 of the sleeve 3 and the length. Shape guide 321 . The cylinder 412 is protruded from the second end 414 of the plate body 411 and penetrates through the receiving groove 33 of the sleeve 3 .

The first electronic tag 42 and the second electronic tag 43 are respectively a radio frequency identification (RFID) tag. The first electronic tag 42 is adhered to the surface of the board 411 and adjacent to the second end 414. The first electronic tag 42 provides a The first identification code is used for identification by a radio frequency identification reader (not shown). The second electronic tag 43 is adhered to the surface of the board 411 and adjacent to the first end 413. The second electronic tag 43 and the first electronic tag 42 are located on the same side of the board 411. The second electronic tag 43 provides a second identification code for identification by the RFID reader, wherein the second identification code is different from the first identification code. In this embodiment, the first identification code is defined as an open code, and the second identification code is defined as a lock code. Therefore, when the wireless identification reader reads the first identification code, it indicates the electronic seal 200. When the wireless identification reader reads the second identification code, it indicates that the electronic seal 200 is in a locked state.

The carrier 41 is movable relative to the metal shield 23 between a first position (shown in Figure 4) and a second position (shown in Figure 6). When the carrier 41 is in the first position, the first end 413 of the plate 411 extends into the second metal cover 232 and the second electronic tag 43 is shielded by the second metal cover 232, so that the radio frequency identification reading The second identification code of the second electronic tag 43 cannot be read; the first electronic tag 42 corresponds to the position of the hollow portion 236, so that the RFID reader can read the first identification code of the first electronic tag 42. When the carrier 41 is in the second position, the second end 414 of the plate 411 extends into the first metal cover 231 and the first electronic tag 42 is first The metal mask 231 is shielded so that the RFID reader cannot read the first identification code of the first electronic tag 42; the second electronic tag 43 corresponds to the position of the hollow portion 236, so that the RFID reader can The second identification code of the second electronic tag 43 is read.

The actuating element 5 of the present embodiment is a compression spring. The actuating element 5 is disposed in the receiving groove 33 of the sleeve 3 and sleeved on the cylinder 412 of the carrier 41. A flange 415 of the cylinder 412 and an end wall 31 of the sleeve 3. The position of the cylinder 412 of the actuating element 5 and the carrier 41 is limited by the sleeve 3 such that the actuating element 5 and the cylinder 412 of the carrier 41 can be securely positioned within the first metal shield 231 to prevent actuation The element 5 and the post 412 are arbitrarily shaken within the first metal cover 231. The actuating member 5 biases the carrier 41 toward the receptacles 214, 237 to actuate the carrier 41 to move in a direction of movement D1 to a first position. The blocking portion 240 inside the second metal cover 232 is stopped at the first end 413 of the plate body 411 to restrict the carrier 41 from continuing to move in the moving direction D1, so that the carrier 41 can be positioned at the first position.

It should be noted that, in other embodiments, the actuating member 5 can also be designed to include a first magnetic member fixed to the second metal mask 232 and located in the hollow portion 236, and a fixed to the plate body 411. a second magnetic element on the other surface of the first and second electronic tags 42, 43 , the second magnetic element corresponding to the position of the first electronic tag 42 and extending through the circular hole portion 234 of the first through hole 233 Up to the first metal mask 231, and the second magnetic element corresponds to the position of the first magnetic element. One of the first magnetic element and the second magnetic element is set as a magnet and the other is set as a metal Or both of them are magnets, and the magnetic force generated by the first magnetic element on the second magnetic element can drive the carrier 41 to move to the first position in the moving direction D1.

The latch 6 can be inserted into the second metal cover 232 of the metal shield 23 via the insertion holes 214, 237 in an insertion direction D2 opposite to the movement direction D1. The latch 6 includes a hollow member for pushing the carrier 41. The outer rod 61, an inner rod 62 disposed in the outer rod 61, a first spring 63 disposed in the outer rod 61, two latching members 64, and two second springs 65. The outer rod 61 includes a head portion 611, a tail portion 612, a peripheral wall 613 connected between the head portion 611 and the tail portion 612, and an inner ring 614 projecting radially inward from the inner wall surface of the peripheral wall 613 and adjacent to the tail portion 612. The head 611, the tail portion 612, the peripheral wall 613 and the inner ring 614 together define a central hole 615 having a first hole portion 616 adjacent to the head portion 611 and a second hole portion 617 adjacent to the tail portion 612. And a communication hole portion 618 connected between the first hole portion 616 and the second hole portion 617. The aperture of the communication hole portion 618 is smaller than the aperture of the first hole portion 616 and the aperture of the second hole portion 617, respectively. Further, the peripheral wall 613 is formed with two side openings 619 communicating with the opposite side of the second hole portion 617.

The inner rod 62 includes a first rod body 621 and a second rod body 622 formed at one end of the first rod body 621. The first rod body 621 is disposed in the first hole portion 616 of the center hole 615, the outer diameter of the second rod body 622 is smaller than the outer diameter of the first rod body 621, and the second rod body 622 extends through the communication hole portion 618 to the second hole. In section 617. The first spring 63 is a set of compression springs disposed on the second rod body 622 and located in the first hole portion 616. The first spring 63 abuts against the first rod body 621 and the inner ring 614 respectively, and the first spring 63 Compressed and inner rod 62 The first rod body 621 is biased in the moving direction D1.

Each of the latching members 64 is disposed in the corresponding side opening 619, and each of the latching members 64 abuts against the second rod body 622 of the inner rod 62 and partially protrudes from the peripheral wall 613 of the outer rod 61. The corresponding hook 216 of the socket 2 is latched to position the latch 6 in a locked position (as shown in FIG. 6). Each of the latching members 64 includes an abutting block 641 and a latching block 642 protruding from the abutting block 641. The abutting block 641 abuts against an outer peripheral surface 623 of the second rod 622, and the latching block 642 is worn. The corresponding side opening 619 is extended and snapped to the corresponding hook 216. Each of the second springs 65 is a set of compression springs disposed on the latching blocks 642 of the corresponding latching members 64. The two ends of the second springs 65 abut against the abutting block 641 of the corresponding latching member 64 and the inner wall of the peripheral wall 613. The second springs 65 are used to bias the abutting block 641 of the corresponding latching member 64 toward a disengaging direction D3 perpendicular to the moving direction D1, so that the abutting block 641 of each latching member 64 is in tight contact with the first blocking member 641. The outer peripheral surface 623 of the two rod body 622. When the latch 6 is sheared adjacent to the peripheral wall 613 at the head 611 to cause the first hole portion 616 to be exposed, the first spring 63 will project the inner rod 62 outward in the moving direction D1, so that the second rod 622 of the inner rod 62 The second hole portion 617 is removed and separated from the abutting block 641 of the two latch members 64. At this time, each of the second springs 65 bounces the corresponding latching member 64 into the second hole portion 617, and the latching block 642 of the latching member 64 is separated from the corresponding hook 216 to release the locked state.

Preferably, in order to reduce the friction between the second rod 622 of the inner rod 62 and the abutting block 641 of each of the latching members 64, the inner rod 62 can be smoothly and quickly applied by the first spring 63. In the present embodiment, the outer peripheral surface 623 of the second rod body 622 has a circular shape, and the abutment of each of the latching members 64 is abutted. The block 641 includes an arcuate abutting surface 643 that abuts against the outer peripheral surface 623, and the arcuate abutting surface 643 and the outer peripheral surface 623 are in point contact state. Thereby, the friction between the abutting block 641 of each of the latching members 64 and the second rod body 622 can be effectively reduced, and when the inner rod 62 is ejected by the elastic force of the first spring 63, the second rod body 622 can be quickly The ground is separated from the abutting block 641 of the two latching members 64.

Referring to FIGS. 3 and 4, before the latch 6 is inserted into the socket 2, the first end 413 of the plate 411 of the carrier 41 is abutted by the actuating member 5 biasing the carrier 41 toward the receptacles 214, 237. Two stops 240 (only one of which is shown in FIG. 4) are connected to the second metal cover 232 to position the carrier 41 in the first position. At this time, the first electronic tag 42 corresponds to the hollow portion 236, so that the first electronic tag 42 corresponds to the hollow portion 236. The electronic seal 200 is in an open state.

Referring to FIG. 3, FIG. 5 and FIG. 6, when the latch 6 and the socket 2 of the electronic seal 200 are sealed to a lock lever 9 of a container door, the plug 6 is first passed through a through hole 91 of the lock lever 9 in the insertion direction D2. And inserted into the second metal mask 232 via the receptacles 214, 237. During the movement of the latch 6 in the insertion direction D2, the tail portion 612 of the latch 6 first pushes the first end 413 of the carrier 41 and drives the carrier 41 to move in the insertion direction D2. Since the length extending direction of each of the elongated guide grooves 321 of the sleeve 3 is parallel to the insertion direction D2 and communicates with the corresponding elongated hole portion 235, the carrier 41 is moved during the insertion direction D2. The two ends 414 will penetrate into the elongated hole portion 235 of the first through hole 233 and the elongated guide groove 321, and the flange 415 of the cylinder 412 compresses the actuating member 5 to deform and accumulate the return elastic force.

Then, a slope 644 of the latching block 642 of each latch member 64 will abut against a slope 217 of the corresponding hook 216, and the two latching blocks 642 respectively apply The component of the inclined surface 217 of the two hooks 216 will externally support the two hooks 216. When the two hooks 216 are externally supported, the outer walls 215 will be slightly expanded and deformed, so that the latching blocks 642 can smoothly pass. Cross the corresponding clasp 216. When the two latching blocks 642 are respectively passed over the two hooks 216, the two outer walls 215 respectively drive the two latching hooks 216 to be reset, so that the latching blocks 642 are locked to the corresponding latching hooks 216. At this time, the latching pins 6 are positioned in the locked position. . Since the lock lever 9 is restrained between the head 611 of the latch 6 and the socket 2, the electronic seal 200 can restrict the movement of the lock lever 9 to prevent the container door from being opened.

On the other hand, the carrier 41 is positioned in the second position by the pushing of the pin 6, and when the carrier 41 is positioned in the second position, the first electronic tag 42 is shielded by the first metal cover 231, and the second electronic tag 43 will correspond to the position of the hollow portion 236, and the electronic seal 200 can remain in the locked state, so that the RFID reader can read the second identification code of the second electronic tag 43.

Referring to FIG. 6, FIG. 7, FIG. 8 and FIG. 9, when the person concerned has cut the peripheral wall 613 between the head 611 and the socket 2 and the first rod portion 621 of the inner rod 62, the center hole 615 is cut. A hole portion 616 is exposed. At this time, the elastic force applied by the first spring 63 to the first rod body 621 will eject the inner rod 62 outward in the moving direction D1 to the first hole portion 616, so that the second rod body 622 moves away from the second portion 622. The hole portion 617 is separated from the abutting block 641 of the two latching members 64. At the same time, the elastic force of the abutting block 641 applied to the corresponding latching member 64 by the second springs 65 causes the latching member 64 to move in the disengaging direction D3, so that the latching members 64 can be ejected into the second hole portion 617. The latching block 642 of each latching member 64 is separated from the corresponding latching hook 216 to release the locked state.

When the latching block 642 of each latching member 64 is separated from the corresponding latching hook 216, the carrier member 41 is biased toward the insertion holes 214, 237 by the actuating member 5, and the carrier member 41 is moved in the moving direction D1. The board 411 drives the second electronic tag 43 to penetrate into the second metal cover 232 via the second through hole 238 , and drives the first electronic tag 42 away from the first metal cover 231 . When the carrier 41 moves in the moving direction D1, the latch 6 is simultaneously pushed to move in the moving direction D1. When the first end 413 of the carrier 41 abuts the stopping portion 240 in the second metal mask 232, The carrier 41 is no longer movable and is positioned in the first position. At this time, the second electronic tag 43 is shielded by the second metal cover 232, and the first electronic tag 42 corresponds to the position of the hollow portion 236, so that the electronic seal 200 is switched to the open state. When the electronic seal 200 is switched to the on state, the RFID reader can only read the first identification code of the first electronic tag 42, thereby determining that the electronic seal 200 is damaged. When the electronic seal 200 is broken by the cutting, the electronic seal 200 is switched to the open state. Therefore, the RFID reader can continuously detect the electronic seal 200 on the transportation section equipped with the RFID reader. The location to monitor the action.

10 and FIG. 11 are a second preferred embodiment of the electronic seal of the present invention. FIG. 11 is a cross-sectional view taken along line 11-11 of FIG. 10, and the overall structure and operation mode of the electronic seal 210 are substantially the same. The preferred embodiment is the same except that the electronic seal 210 further includes a stop mechanism 7.

In the present embodiment, the first through hole 233 of the first metal mask 231 has two circular hole portions 234 and three elongated hole portions 235. One of them is long The hole portion 235 communicates with the side adjacent to the two circular hole portions 234, and the other two elongated hole portions 235 communicate with the side where the two round hole portions 234 are apart. The carrier 41 includes two pillars 412 protruding from the second end 414 of the plate body 411. The electronic seal 210 includes two sleeves 3 and two actuating elements 5 . The sleeves 3 are inserted through the corresponding circular holes 234 in the first metal cover 231 , and the respective cylinders 412 are disposed through the corresponding sleeves 3 . The accommodating groove 33 is disposed in the accommodating groove 33, and each of the actuating elements 5 is sleeved on the corresponding cylinder 412.

The first metal cover 231 includes two side plates 241 spaced apart from each other, two end plates 242 respectively connected to the end edges of the two side plates 241, a first baffle 243, a second baffle 244 and a third block. Board 245. The first baffle 243 is disposed on the inner surface of the one side plate 241 and is spaced apart from the corresponding end plate 242. The first baffle 243 and the corresponding end plate 242 jointly define a sliding slot 246, and the first baffle 243 There is a first guiding bevel 247 at a proximal end edge. The second baffle 244 and the third baffle 245 are respectively protruded from the inner surface of the other side plate 241, and the second baffle 244 is spaced apart from the first baffle 243 and has a second guiding slope 248 at an adjacent end edge. The third baffle 245 is spaced between the second baffle 244 and the other end plate 242. The second baffle 244 and the first baffle 243 together define a passage 249 adjacent to the chute 246, the passage 249 corresponding to the position of the elongated hole portion 235 communicating between the two circular hole portions 234, and the passage 249 and the length The shaped hole portion 235 is located on the opposite side of the chute 246.

The stopping mechanism 7 includes a stopper 71 slidably disposed in the sliding groove 246, a biasing member 72 disposed in the sliding groove 246 for biasing the stopper 71, and a closing plate 73. The first baffle 243 and the corresponding end plate 242 respectively form a limiting guide groove 250 communicating with the sliding slot 246. The member 71 includes a stopper 711 located in the sliding groove 246, and two sliders 712 respectively protruding from opposite sides of the stopper 711. The sliders 712 are slidably disposed in the corresponding limiting guide grooves 250. The limit guide groove 250 is used to guide the slider 712 to slide and limit its sliding stroke. The biasing member 72 is a compression spring, and its two ends abut against the stopper 711 and the side plate 241, respectively. The third flap 245 is spaced apart from the stopper 711 of the stopper 71, and the third flap 245 and the stopper 711 of the stopper 71 hold the closing plate 73 together. The closing plate 73 has two pushing slopes 731 respectively abutting the first and second guiding slopes 247 and 248, and the third flap 245 and the stopper 711 of the stopping member 71 jointly clamp the closing plate 73, and The two top inclined slopes 731 of the closing plate 73 abut against the first and second guiding slopes 247, 248, respectively, whereby the closing plate 73 can be stably positioned in a closed position of the closed passage 249. In addition, the stopper 711 is slid by the closing plate 73 abutting against the stopper 711 of the stopper 71, so that the stopper 71 can be positioned at a non-stop position as shown in FIG. The stopper 711 of the member 71 does not block on the moving path of the plate body 411.

Referring to FIG. 10, FIG. 12 and FIG. 13, in the process of inserting the plug 6 into the socket 2 for the first time, the tail portion 612 of the bolt 6 first pushes the first end 413 of the carrier member 41 and drives the carrier member 41 to move in the insertion direction D2. During the movement of the carrier 41, the second end 414 of the plate 411 extends through the elongated hole 235 into the first metal cover 231, and the flange 415 of each cylinder 412 compresses the corresponding actuating element. 5 deform it and accumulate the return spring force. Then, the second end 414 of the plate body 411 pushes up the closing plate 73, and the first and second guiding slopes 247 of the first and second baffles 243 and 244 are respectively pushed by the two pushing inclined faces 731 of the closing plate 73. 248, the two top push slopes 731 are respectively given to the first a component of the second guiding slopes 247, 248 parallel to the direction of the insertion direction D2 causes the first and second flaps 243, 244 to be bent and deformed to smoothly pass the first and second flaps 243, 244. The opening is such that the closure panel 73 can pass through the passage 249 and away from the closed position so that the second end 414 of the plate 411 can pass through the passage 249 and continue to move in the insertion direction D2. When the latch 6 is positioned in the locked position shown in FIG. 13, the carrier 41 is positioned at the second position, at which time the stopper 711 of the stopper 71 abuts against the surface of the plate 411.

Referring to FIGS. 10 and 14, when the latch 6 is broken to release the locked state with the socket 2, or the latch 6 is accidentally released from the locked state with the socket 2 without being damaged, each actuation is performed. The element 5 will drive the carrier 41 to move to the first position in the moving direction D1. When the plate body 411 of the carrier 41 is separated from the stopper 711 of the stopper 71, the stopper 71 slides toward the third flap 245 by the bias of the biasing member 72. When the sliders 712 of the blocking member 71 abut against one end of the corresponding limiting slot 250, the stopper 711 of the blocking member 71 is positioned at the elongated hole portion 235 and the passage 249 blocking the first through hole 233. The stop position between them (as shown in Figure 14). At this time, the stopper 711 blocks the moving path of the second end 414 of the plate body 411 to prevent the plate body 411 from passing through the passage 249 again. Thereby, the carrier 41 can be prevented from being pushed up by the pin 6 or other members to be moved to the second position again to ensure that the electronic seal 210 can be continuously maintained in the open state.

Referring to Figure 15, which is a third preferred embodiment of the electronic seal of the present invention, the overall structure and operation of the electronic seal 220 are slightly different from those of the first and second preferred embodiments.

Referring to FIG. 15 and FIG. 16, in the embodiment, the shell of the socket 2 The body 21 is made of a metal material, and the housing 21 is a metal shield. The second casing member 212 of the casing 21 is formed with a hollow portion 218 that communicates with the chamber 213. The first housing member 211 of the housing 21 includes two positioning posts 219 protruding from the inner wall surface of the outer wall 215. The sleeve 3 includes two positioning pieces 34 protruding from opposite sides of the surrounding wall 32. Positioning column 219. The first cover member 211 further includes two support plates 220 protruding from the inner wall surface of the outer wall 215. Each support plate 220 has a support portion 221 for supporting the plate body 411 of the carrier member 41, and is connected to the support portion 221 The stopping portion 222 is configured to block the first end 413 of the plate body 411 to position the carrier 41 in the first position.

Referring to FIG. 15 and FIG. 17, the carrier member 41 further includes two protruding plate bodies 416 protruding from the second ends 414 of the plate body 411 and spaced apart from each other. The two protruding plate bodies 416 are located on opposite sides of the column body 412. The protruding body 416 has an end 417 opposite the second end 414. The first shell member 211 defines a sliding slot 223 that communicates with the chamber 213. The blocking member 71 of the blocking mechanism 7 and the biasing assembly 72 are disposed in the sliding slot 223. The stopper 71 includes a rectangular sliding plate 713 and two stoppers 711 protruding from the sliding plate 713 and spaced apart from each other. The sliding plate 713 and the two blocking blocks 711 jointly define a sleeve 3 for threading. Groove 714. Each of the stoppers 711 is configured to block the end 417 of the corresponding protruding plate body 416. The stopper 71 is slidable between a non-stop position (shown in FIG. 18) and a stop position (shown in FIG. 17). When the stopper 71 is in the non-stop position, each stopper 711 It is separated from the end 417 of the corresponding protruding plate body 416 and does not block on the moving path of the protruding plate body 416. When the stopping member 71 is in the blocking position, each of the stoppers 711 is stopped at the end 417 of the corresponding protruding plate body 416. .

The biasing assembly 72 has a compression spring 721 and a contact plate 722 connected to one end of the compression spring 721. The contact plate 722 of the biasing assembly 72 abuts against a stop 711 adjacent to the biasing assembly 72 for The stopper 71 is biased to move to the blocking position.

More specifically, the first housing member 211 of the socket 2 defines a through hole 224 that communicates with the sliding groove 223. The through hole 224 has a circular hole portion 225 and two long hole portions 226 that communicate with opposite sides of the circular hole portion 225, respectively. The electronic seal 220 further includes a key 8 that can be inserted into the sliding slot 223 via the through hole 224. The key 8 is used to push a stop 711 adjacent to the through hole 224 to block the stopping member 71 from the blocking position. Push to the non-stop position. The key 8 includes a push rod 81 and two snap levers 82 protruding from the outer surface of the push rod 81. The push rod 81 can penetrate into the sliding slot 223 through the circular hole portion 225 of the through hole 224 to push the corresponding button. The retaining block 711 can extend through the corresponding elongated hole portion 226 of the through hole 224 into the sliding slot 223. When the card post 82 is positioned in the sliding slot 223, the key 8 is rotated at an appropriate angle to engage the latching lever 82 with the first housing member 211, thereby preventing the jacking lever 81 from being blocked. The stopper 71 pushes away from the circular hole portion 225 of the through hole 224.

Referring to FIG. 15, FIG. 18 and FIG. 19, when the electronic seal 220 is to be used, the push rod 81 of the key 8 is first aligned with the round hole portion 225 of the through hole 224, and each of the snap bars 82 is aligned with the corresponding long hole of the through hole 224. Part 226. Subsequently, the jacking rod 81 and the latching lever 82 of the key 8 are inserted into the chute 223 through the circular hole portion 225 and the long hole portion 226, respectively. The push rod 81 of the key 8 pushes the corresponding stop 711 of the stop 71 in the direction of the arrow I, so that the stop 71 slides The slot 223 slides, and the other stopper 711 compresses the contact plate 722 of the biasing member 72 during the sliding of the stopper 71, deforming the compression spring 721 and accumulating the return elastic force. When the stopper 71 is moved to the non-stop position shown in FIG. 18, each stopper 711 of the stopper 71 is separated from the end 417 of the corresponding projecting plate body 416. Then, the key 8 is rotated at an appropriate angle to move the latching lever 82 away from the position of the long hole portion 226 and snapped onto the first shell member 211. At this time, the jacking rod 81 of the key 8 can be The stop 71 is positioned in the non-stop position.

When the stop member 71 is positioned in the non-stop position, the latch 6 can be inserted into the socket 2 to move the push-up carrier 41. When the latch 6 is in the locked position, the carrier 41 is positioned in the second position. Next, the key 8 is rotated at an appropriate angle to align the respective latching bars 82 with the corresponding elongated holes 226, so that the key 8 can be pulled out of the chute 223 via the through holes 224. Since each of the stoppers 711 is blocked by the one side 418 of the corresponding protruding plate body 416 and cannot be moved, the stopper 71 can still be positioned after the ejector rod 81 of the key 8 is separated from the corresponding stopper 711. Non-stop position.

Referring to Figures 15, 16, 17, and 18, when the latch 6 is broken to release the locked state with the socket 2, or the latch 6 is accidentally released from the socket 2 without being damaged, In the state, the carrier 41 is moved to the first position by the actuation of the actuating member 5. At this time, the side 418 of each protruding plate 416 is separated from the corresponding stopper 711, and the stopper 71 is biased by the biasing member 72. The drive will move to the stop position shown in FIG. Thereby, the carrier 41 can be prevented from being pushed up by the pin 6 or other members to be moved to the second position again to ensure that the electronic seal 220 can be continuously maintained in the open state.

It should be noted that if the latch 6 is not damaged and is to be reinserted into the socket 2, or is reinserted into the socket 2 through another new latch 6, the key 8 is required to first move the stopper 7 to the non-stop position. Thereafter, the latch 6 can be reinserted into the socket 2, whereby the socket 2 of the electronic seal 220 provides a reusable mechanism whereby the user can be reused.

In summary, the electronic seals 200, 210, and 220 of the embodiments provide the first and second identification codes for identification by the first and second electronic tags 42, 43 respectively, so that the electronic seals 200, 210 220 can display an open state and a locked state respectively. Thereby, when the latch 6 is broken by the shear or accidentally released from the locked state with the socket 2, the electronic seals 200, 210, 220 can be switched from the locked state to the open state, and the radio frequency identification reader is installed On the transport section, the RFID reader can continuously detect the position of the electronic seals 200, 210, 220 for monitoring. In addition, by the stop mechanism 7 of the electronic seals 210, 220, the stopper 71 can prevent the carrier 41 from being latched after the latch 6 is released from the locked state with the socket 2 so that the carrier 41 is moved to the first position. 6 or other levers are pushed up and moved again to the second position to ensure that the electronic seals 210, 220 are continuously maintained in the open state. Moreover, by the design of the key 8 of the electronic seal 220 to move the stopper 71 from the stop position to the non-stop position, the user can repeatedly use the socket 2 to reduce the cost of use, so The object of the invention can be achieved.

However, the above is only the preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto. The simple equivalent changes and modifications made by the patent scope and the contents of the patent specification are still within the scope of the invention.

2‧‧‧ socket

213‧‧ ‧ room

214‧‧‧ jack

216‧‧‧ hook

23‧‧‧Metal shields

231‧‧‧First metal mask

232‧‧‧Second metal mask

236‧‧‧镂空部

41‧‧‧Carrier

413‧‧‧ first end

415‧‧‧Flange

42‧‧‧First electronic label

43‧‧‧Second electronic label

5‧‧‧Actuating element

6‧‧‧Latch

61‧‧‧Outer

611‧‧‧ head

612‧‧‧ tail

613‧‧‧Wall

62‧‧‧ inner rod

63‧‧‧First spring

64‧‧‧ Cards

642‧‧‧ card block

65‧‧‧Second spring

9‧‧‧Lock lever

91‧‧‧Perforation

Claims (17)

An electronic seal comprising: a socket, comprising a metal shield, the metal shield defining a hollow portion, an inductive component comprising a carrier disposed in the socket, a first disposed on the carrier An electronic tag, and a second electronic tag disposed on the carrier, the first electronic tag provides a first identification code for identification, and the second electronic tag provides a second different from the first identification code The identification code is for identification, the carrier is movable relative to the metal shield between a first position and a second position, and when the carrier is in the first position, the first electronic tag corresponds to the hollow And the second electronic tag is shielded by the metal shield. When the carrier is in the second position, the second electronic tag corresponds to the hollow portion and the first electronic tag is shielded by the metal shield. An actuating element disposed in the socket for actuating the carrier to move to the first position in a moving direction, and a latch insertable into the socket and pushing the carrier to be in the first position mobile In the second position, when the latch is moved to a locked position locked to the socket, the carrier is positioned in the second position, and the carrier is actuated when the latch is unlocked from the socket The component is actuated to move from the second position to the first position in the direction of movement. The electronic seal of claim 1 further comprising a stop mechanism, the stop mechanism comprising a stop for blocking the carrier, and a pair The biasing member biased by the blocking member, when the carrier is moved from the second position to the first position, the biasing member drives the blocking member to move to a blocking position, so that the blocking member blocks The carrier is opposite to one end of the latch. The electronic seal of claim 2, wherein the metal shield defines a sliding slot, the blocking member is slidably disposed in the sliding slot, the biasing component is disposed in the sliding slot, and the carrier comprises A first end for pushing the pin, the metal shield includes a stop for blocking the first end. The electronic seal of claim 3, wherein the carrier further comprises a second end opposite to the first end, the metal shield further defining a channel adjacent to the chute, the blocking mechanism further comprising a closing plate disposed in the metal shield for closing the passage, the closing plate abutting the end of the blocking member opposite to the biasing assembly, positioning the blocking member in a non-stopping position, The second end of the carrier can lift the closure panel away from the passage to pass through the passage. The electronic seal of claim 4, wherein the metal shield further comprises a first baffle and a second baffle spaced from the first baffle, the first and second baffles collectively defining Out of the channel, the first baffle has a first guiding bevel, the second baffle has a second guiding bevel, and the closing plate has two tops respectively abutting the first and second guiding bevels Push the slope. The electronic seal of claim 5, wherein the metal shield further comprises a third baffle spaced from the stop, the third baffle and the block The stoppers collectively hold the closing plate. The electronic seal of claim 5, wherein the metal shield further comprises an end plate spaced from the first baffle, the first baffle and the end plate together defining the chute, the first block A limiting guide groove is formed between the plate and the end plate, and the stopping member comprises two sliding blocks on opposite sides, and each of the sliding blocks is slidably disposed on the corresponding guiding guide. Inside the slot. The electronic seal of claim 3, further comprising a key for penetrating into the chute to push the stop member from the stop position to a non-stop position. The electronic seal of claim 8, wherein the carrier comprises a plate body for carrying the first and second electronic tags, and two protruding plate bodies, the plate body comprising the first end and a first Conversely opposite to the second end of the first end, each of the protruding plate bodies is protruded from the second end and has an end opposite to the second end, and the stopping member comprises two spaced blocks, each of which The stopper is configured to block the end of the corresponding protruding plate body, one of the two blocking blocks is used to abut the biasing component, and the other of the two blocking blocks is used for pushing the key. The electronic seal of claim 9, wherein the metal shield further defines a through hole communicating with the sliding slot, the key includes a through hole extending through the through hole to push the corresponding corresponding a push rod of the block and a snap bar protruding from the outer surface of the push rod and extending through the through hole into the sliding slot, the key being rotatable relative to the metal shield to make the card The rod is stuck to the metal shield. The electronic seal of claim 1 or 2, wherein the actuating element is a compression spring for biasing the carrier. The electronic seal of claim 11, wherein the socket further comprises a sleeve disposed in the metal shield, the sleeve forming a receiving groove, and two lengths connected to opposite sides of the receiving groove a guiding groove, the carrier comprises a plate body for carrying the first and second electronic tags and pushing the pin, and a column protruding from the plate body, the plate body can be simultaneously penetrated to In the accommodating groove and the two elongated guide grooves, the column body is disposed in the accommodating groove, and the actuating element is sleeved on the column body and the two ends abut against the column body and the sleeve respectively. The electronic seal of claim 11, wherein the socket further comprises a hook, the latch includes an outer rod for pushing the carrier and being hollow, and an inner rod disposed in the outer rod, a first spring disposed in the outer rod, and a latching member, the first spring biasing the inner rod in the moving direction, the latching member abutting the inner rod and partially protruding out of the outer rod a lever for latching the hook to position the latch in the locked position. The electronic seal of claim 13, wherein the latch further comprises a second spring disposed in the outer rod, the second spring biasing the latch member in a direction perpendicular to the direction of movement of the latch member, The latch member is moved in a direction away from the clasp. The electronic seal of claim 14, wherein the latch member is in point contact with the inner rod. The electronic seal of claim 15 wherein the outer rod is formed with a a central hole, and a side opening connected to one side of the central hole, the inner rod and the first spring are disposed in the central hole, the inner rod includes a circular outer peripheral surface, and the clamping member comprises a Abutting block that abuts against the outer peripheral surface, and a latching block protruding from the abutting block, the abutting block includes an arc abutting surface abutting the outer peripheral surface, and the latching block extends The side opening is released and snapped to the hook. An electronic seal comprising: a socket having a metal shield inside; an inductive component comprising a carrier movably disposed inside the socket, and a first electronic tag and a first device disposed on the carrier a second electronic tag, wherein the first electronic tag and the second electronic tag are used to provide a different identification code. When the carrier is in a first position, the second electronic tag is shielded by the metal shield. When the carrier is in a second position, the first electronic tag is shielded by the metal shield; a latch is inserted into the socket to be locked in a locked position, and the carrier is pushed by the pin in the locked position And the actuating element is configured to actuate the carrier to move to the first position when the latch is disengaged from the locked position.