CN104989184B - E-seals and e-seals system - Google Patents

Abstract

The invention provides an electronic seal and an electronic seal system. The electronic seal is used to indicate whether the attached box is opened, and includes an integral casing, the casing includes a first surface, a second surface, at least a pair of magnetic steels and a Hall device arranged inside the casing. The first surface is configured to be able to contact and adhere to the box body to be sealed, so that the at least one pair of magnets disposed in the housing and the magnet steel of the Hall device can contact and be adsorbed on the box body, thereby sealing the box body. The electronic seal is fixed on the box body, and after the at least one pair of magnetic steel and the magnetic steel of the Hall device are adsorbed on the box body, the at least one pair of magnetic steel cooperates with the Hall device to seal the electronic seal Sending a signal that the electronic seal is moved when leaving the box.

Description

Electronic Seals and Electronic Seal Systems

technical field

The present invention relates to electronic seals and electronic seal systems.

Background technique

Now the container used by the customs needs to prevent the door from being opened illegally when entering and leaving the customs and ports. In many cases, it is hoped that the door can not be opened so as to reduce the trouble of inspection.

However, the existing containers adopt lead seals, which require manual handling, and the lead seals cause waste of lead. In addition, lead seals are easy to be illegally cut and then forged again. Existing containers are also sealed using sensor-type seals, such as pinch sensors between the doors. The clamping sensor seal is installed between the doors, and when the door is opened, the sensor seal sends a message to the control center to report, thereby preventing the door from being opened illegally. However, the clamping sensor seal needs to be installed with the door open. If it is required to perform protection detection without opening the door, such a clamping sensor cannot be used.

Contents of the invention

In view of this, the object of the present invention is to solve some or all of the problems of the seals in the prior art, and provide an electronic seal that can be recycled and installed and used without opening the box door. Another object of the present invention is to provide an electronic seal that is convenient for installation and removal. The object of the present invention is also to provide a kind of electronic seal that can prevent from being damaged and counterfeited

The first aspect of the present invention provides an electronic seal, which is used to indicate whether the attached box is opened, including a casing, the casing includes a first surface, a second surface, and at least A pair of magnets and Hall devices,

Wherein, the first surface is configured to be able to be in contact with and bonded to the box to be sealed, and after the at least one pair of magnets and the magnets of the Hall device are adsorbed on the box, the at least one pair of magnets and the magnet The Hall device cooperates to signal that the electronic seal is moved when the electronic seal leaves the box.

The second aspect of the present invention provides an electronic seal system, including a lock and at least one aforementioned electronic seal, each electronic seal establishes data communication with the lock, and the lock is configured to be able to send the information of the electronic seal to user.

Description of drawings

Fig. 1 shows " L " shape electronic seal of the present invention;

Fig. 2 shows the "one"-shaped electronic seal of the present invention;

Fig. 3 shows the electronic locking system of the present invention.

detailed description

Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like numerals refer to like elements throughout. The following embodiments will be described by referring to the figures in order to explain the present invention.

According to the first embodiment of the present invention, an electronic seal 11, 12 is used to indicate whether the sealed box 2 is opened. The electronic seals 11, 12 include integrally formed housings 114, 124, for example, can be formed by ultrasonic injection molding process. The integral housing 114 , 124 has the advantage that entering the interior of the housing 114 , 124 will definitely cause damage to the housing 114 , 124 . In other words, in order to enter the inside of the housing 114, 124, the housing 114, 124 must be opened or destroyed, and opening or destroying the housing 114, 124 will leave marks on the surface of the housing 114, 124, and inspectors will be able to Know that the e-seal has been breached. Such an integrated housing 114, 124 can prevent the housing 114, 124 from being illegally destroyed.

In one embodiment, the unitary housing 114, 124 includes a front 115, 125 and a back 116, 126, the front 115, 125 of the housing 114, 124 faces outwardly, and the back 116, 126 of the housing 114, 124 is configured to enable It is in contact with and adhered to the box body 2 to be sealed. "Conformable" means that the back 116, 126 of the housing 114, 124 is substantially complementary to the surface of the case 2 to be contacted such that when the back 116, 126 of the housing 114, 124 is in contact with the surface of the case 2 (e.g. After the fronts 115, 125) are in contact with each other, there is no obvious gap between the backs 116, 126 of the housing 114, 124 and the surface (such as the fronts 115, 125) of the casing 2, such as tools or foreign objects such as blades and screwdrivers. Access to the back side 116, 126 of the housing 114, 124 is not possible, thereby preventing the back side 116, 126 of the housing 114, 124 from being damaged.

In one embodiment of the present invention, the electronic seals 11, 12 also include at least one pair of magnetic steels 111, 121 and Hall devices 112, 122 arranged inside the housings 114, 124, for the electronic seals 11, 12 An alarm signal is issued when the housing 114, 124 is opened.

In one embodiment, when the magnetic steel 111, 121 is in contact with the metal box body 2 of a steel container for example, it will generate a strong magnetic attraction force, so that the electronic seals 11, 12 are absorbed and fixed on the box body 2 of the container On the surface. When the electronic seals 11, 12 are fixed on the surface of the box body 2, any part of the back surfaces 116, 126 of the casings 114, 124 of the electronic seals 11, 12 cannot be touched. Only the electronic seals 11,12 are pried away from the casing 2 to contact the back sides 116,126 of the electronic seals 11,12, but the electronic seals 11,12 will send a signal to indicate that the electronic seals 11,12 have left the casing 2.

According to one embodiment of the present invention, the electronic seal 11, 12 includes at least one pair of magnetic steel 111, 121 and Hall devices 112, 122, when the magnetic steel 111, 121 is not adsorbed on the metal box 2, the Hall device 112, The state of 122 is "0"; when the magnetic steel 111, 121 is adsorbed on the metal box 2, the magnetic steel interacts with the Hall device, so that the state of the Hall device 112, 122 is "1". After the electronic seals 11, 12 are installed on the box body 2, the state of the Hall devices 112, 122 is recorded; when the state of the Hall devices 112, 122 changes, the Hall devices 112, 122 will send the state information through the antenna go out. In this way, the operator can obtain the information of the status change of the electronic seal 11, 12 and the movement of the electronic seal 11, 12.

In the embodiment of the present invention, the magnetic steel of the electronic seal is used not only to attract the electronic seal to the metal box through magnetic attraction, but also to reflect the state of the electronic seal through the interaction with the Hall device.

Therefore, according to one embodiment of the present invention, as shown in FIG. Once opened, the electronic seal 12 will not fit well on the box door 20, and once the electronic seal 12 leaves the box body 2, a signal will be sent to indicate that the electronic seal 12 leaves the box body 2, such as customs officers or other relevant personnel. It can be known that the electronic seal is moved, and the box door 20 is opened. Such electronic seal 12 can be strip shape, for example " one " shape, straddles the door gap of box door 20, just can close box door 20. The electronic seal 12 can also cover the lock 3 for locking the box door, as shown in FIG. 3 .

In some cases, the box door 20 may be welded on the box body 2 by cutting the "L" shaped hinge 1 for connecting the box door 20 and the side 21 of the box body 2 (a part of the hinge 1 is welded on the box body 2). door 20, the other part is welded on the side of the box body 2 orthogonal to the box door 20) is removed, and after the illegal activity is completed, the hinge 1 is welded to the box body 2 again, so as to avoid being found to have opened the box door 20. In order to prevent the hinge 1 from being damaged, the electronic seal 11 can cover and protect the hinge 1 from being touched or disengaged, thereby preventing the occurrence of criminal acts. Such an electronic seal 11 may be in an "L" shape, as shown in FIG. 3 , covering the hinge 1 from two directions perpendicular to each other and attached to the box body 2 , so as to protect the hinge 1 . Any action to destroy the hinge must remove the electronic seal 11, and the illegal movement of the electronic seal 11 will trigger an alarm.

According to an embodiment of the present invention, the electronic seal 11 , 12 may further include one or more additional Hall devices 112 . The additional Hall device signals when the housing 114, 124 of the electronic seal 11, 12 is breached indicating that the housing 114, 124 is breached. Due to the additional Hall device, the integral housing 114, 124 will not be able to be broken and the electronic seal 11, 12 itself can be monitored. For example, the additional Hall device 112 is distributed inside the electronic seal, and the additional Hall device cooperates with the matching magnetic steel arranged in the electronic seal. When the housing of the electronic seal is destroyed, the additional Hall device Device 112 issues a signal. In one embodiment of the present invention, advantageously, the additional Hall device 112 cooperates with the magnetic steel 111, 121 arranged in the electronic seal for judging whether the electronic seal leaves the box body, so that it is not necessary to set the electronic seal in the electronic seal. The additional or dedicated magnets or magnets, the magnets 111, 121 can cooperate with the additional Hall device 112, and at the same time be used to cooperate with the additional Hall device 112 to protect the housing of the electronic seal.

According to an embodiment of the present invention, the electronic seal 11 , 12 may also include one or more additional optical devices 117 . Additional optical devices 117 are arranged at one or more positions inside the electronic seal. These additional optical devices 117 may include, for example, photosensitive sensors 117. When the electronic seal is broken, the optical sensor 117 is Light is sensed, followed by an alarm signal. The optical sensor 117 may include, for example, an infrared sensor, an ultraviolet sensor, a broadband optical sensor, and the like. Optical sensor 117 may be an active optical sensor.

According to an embodiment of the present invention, the electronic seal 11 , 12 may also include one or more additional optical devices 117 and one or more additional Hall devices 112 . Such a structure is advantageous and can provide redundant protection.

According to an embodiment of the present invention, the electronic seals 11, 12 include two pairs of magnetic steels 111, 121 and Hall devices 112, 122, which are respectively arranged near the two ends of the electronic seals 11, 12, for example as shown in Figure 2 . One of the functions of the magnetic steel 111, 121 is to fix the electronic seals 11, 12, and the magnetic steels 111, 121 respectively arranged near the two ends of the electronic seals 11, 12 can keep the electronic seals 11, 12 fixed on the box body 2 in a balanced manner . The magnets 111, 121 are also used together with the Hall devices 112, 122 for an alarm function. When the magnetic steel 111, 121 is arranged together with the Hall devices 112, 122, and when the magnetic steel 111, 121 is magnetically adsorbed on the box body 2, the state of the Hall device 112, 122 is "1"; when the magnetic steel 111, 121 Leaving the box 2, the state of the Hall devices 112, 122 changes to "0", and the states of the Hall devices 112, 122 are sent out. Thereby, the states of the electronic seals 11 and 12 can be judged.

In one embodiment of the present invention, the electronic seal further includes a magnetic steel locking device. The extension and retraction of the magnetic steels 111, 121 are controlled by the magnetic steel locking devices 113, 123. The magnetic steel locking device 113, 123 is used to drive the magnetic steel 111, 121 to contact or leave the box body 2. The magnetic steel locking device 113, 123 includes a locking bolt that can be operated on the second surface. , 125 rotate the locking bolt to drive the magnetic steel 111 , 121 to contact or leave the box body 2 . The second surface is the outward surface 115, 125 of the housing 114, 124 of the electronic seal 11, 12, and the magnetic steel locking device 113, 123 is set on the outward facing surface to allow the operator to access the housing from the front of the housing 114, 124. 115, 125 control the extension and retraction of the magnetic steel 111, 121. For example, rotate the locking bolt of the magnetic steel locking device 113, 123 from the second surface, the locking bolt will extend forward or retract backward, and the locking bolt pushes or pulls the magnetic steel 111, 121 to drive the magnetic steel 111 , 121.

In one embodiment of the present invention, the electronic seal 11 , 12 includes an antenna for transmitting a signal indicating the state of the Hall device 112 , 122 .

In one embodiment of the present invention, the electronic seal 11, 12 includes a power source for providing power to the Hall devices 112, 122 and additional Hall devices.

In one embodiment of the present invention, the electronic seals 11, 12 include switches for turning on and off the power supply.

In one embodiment of the present invention, the switches of the electronic seals 11 and 12 are push-in trigger switches configured to be pressed in when the electronic seals 11 and 12 are installed on the box body 2 to turn on the power.

It also includes an electronic control switch, which can be a program-controlled power switch or other electronic switches connected in parallel with the press-in trigger switch, so as to ensure that the electronic seal will not lose power under abnormal conditions.

According to an embodiment of the present invention, an electronic seal 11 , 12 system includes a lock 13 and at least one aforementioned electronic seal 11 , 12 . In this embodiment, each electronic seal 11, 12 establishes data communication with the lock 13, and the lock 13 is configured to be able to send the information of the electronic seal 11, 12 to the user. The lock 13 is configured to store status information of the electronic seals 11 and 12 , for example, information including serial numbers, positions and statuses of the electronic seals 11 and 12 . In this embodiment, said latch 13 is configured for activating the electronic seal 11 , 12 .

According to the embodiment of the present invention, those skilled in the art should know that the Hall element is only one form of the present invention. Under the teaching of the present invention, other elements that can detect the change of the magnetic field or detect the occurrence of destruction can all be used for the Hall element. Alternate components.

Although the present invention has been particularly shown and described with reference to exemplary embodiments of the present invention, those skilled in the art should understand that, without departing from the spirit and scope of the present invention as defined by the appended claims, other The embodiments undergo various changes in form and detail.

Claims (15)

1. An electronic seal for indicating whether an attached case is opened, comprising a housing comprising a first surface and at least one pair of magnets and a Hall device disposed inside the housing, Wherein, the first surface is configured to be able to be in contact with and bonded to the box to be sealed, and after the at least one pair of magnets and the magnets of the Hall device are adsorbed on the box, the at least one pair of magnets and the magnet The Hall device cooperates to send a signal indicating that the electronic seal is moved when the first surface of the electronic seal exits the case. 2. The electronic seal as claimed in claim 1, wherein said at least one pair of magnets disposed in the housing and said magnets of the Hall device can contact and be adsorbed on the box so as to fix the electronic seal on the on the box. 3. The electronic seal as claimed in claim 1, wherein the casing is an integrally formed casing. 4. The electronic seal as claimed in claim 3, further comprising an additional Hall device disposed inside the electronic seal for sending out an alarm signal when the integrally formed casing of the electronic seal is opened. 5. The electronic seal as claimed in claim 3, further comprising an additional photosensitive sensor disposed inside the electronic seal for sending out an alarm signal due to receiving light when the integrally formed casing of the electronic seal is opened. 6. The electronic seal as claimed in any one of claims 1-4, the electronic seal is in the shape of a "one", suitable for covering the door gap across the box body, so that when the door is opened The door detaches and sends a signal to leave the door. 7. The electronic seal according to any one of claims 1-4, which is in the shape of an "L" and is suitable for covering on the hinge connecting the box door and the box body so as to completely cover the "L" from two directions Shaped hinges make it impossible to access the hinges. 8. The electronic seal according to any one of claims 1-4, the electronic seal comprises two pairs of magnets and Hall devices, which are respectively arranged near the two ends of the electronic seal. 9. The electronic seal as claimed in any one of claims 1-4, the electronic seal includes a magnetic steel locking device, and the magnetic steel locking device is used to drive the magnetic steel to extend out of the contact box or retract away from the box, so The magnetic steel locking device includes a locking bolt that can be operated on the second surface of the housing, and the user drives the magnetic steel to contact or leave the box by rotating the locking bolt from the second surface, wherein the second surface Opposite the first surface. 10. The electronic seal according to any one of claims 1-4, comprising an antenna for transmitting the signal of the Hall device. 11. The electronic seal according to any one of claims 1-4, comprising a power supply for supplying power to the Hall device and the additional Hall device. 12. The electronic seal according to any one of claims 1-4, comprising a switch for turning on and off the power supply. 13. The electronic seal according to claim 12, wherein the switch is a press-in trigger switch configured to be pressed in when the electronic seal is installed on the case to turn on the power. 14. An electronic seal system, comprising a lock and at least one electronic seal as claimed in any one of claims 1-12, each electronic seal establishes data communication with the lock, and the lock is configured to be able to The information of the seal is sent to the user. 15. The electronic seal system according to claim 14, the lock is used for activating the electronic seal and storing the information of the electronic seal, including the serial number, position and status of the electronic seal.