CN112825150B - Multi-frequency electronic seal - Google Patents

Abstract

The invention discloses a multi-frequency electronic seal, which includes a plug and a lock base. The plug bolt is mounted with a circuit board and a detection antenna on the bolt member. The circuit board is provided with a chip, a main circuit and a secondary circuit, so that the secondary circuit matches the detection antenna. The lock base is equipped with a main antenna. When the lock base and the bolt are locked, the chip, the main circuit and the main antenna are electrically connected to send out the first signal that can be used to identify the host for monitoring, and the control secondary circuit is electrically connected to the chip and the detection antenna. The second signal is emitted, and the second signal can be used by the mobile phone software to quality control whether the first signal is operating normally, and it can also cut off the first and second signals at the same time when the plug is damaged. In this way, end customers can conduct actual quality control measurements on their mobile phones.

Description

Multi-frequency electronic seal

Technical field

The invention specifically refers to the technology whereby end customers can use their mobile phones to test whether the quality control electronic seal is functioning normally, so that it can be used in a disposable manner.

Background technique

The prior art is as shown in US08558700B2, US08866609B2 and US09508271B2 approved by the inventor. However, in the above-mentioned previous cases, since the spring is integrally formed on the lock seat, in order to maintain the structural strength of the spring, the spring movement margin is not large. However, the circuit There will be tolerances when the plate is installed on the bolt, and there will also be tolerances when the bolt lock is positioned on the lock seat. It is inevitable that there will be defective products with accumulated tolerances that affect the spring movement margin, resulting in separate manufacturing and quality control of the bolt and lock seat. Yes, but when the end user interlocks the bolt and lock base and uses it as a container seal, the signal will fail or the reading rate will deteriorate, thereby losing the expected function of supervision. However, the end user has no way of knowing through actual testing. .

Contents of the invention

The main purpose of the present invention is to provide a multi-frequency electronic seal that allows end customers to measure quality control through mobile phones, thereby avoiding the use of defective products.

In order to achieve the above object, the present invention adopts the following means.

A multi-frequency electronic seal at least includes: a plug, which is composed of a circuit board and a detection antenna installed on the plug; the circuit board is equipped with a chip, a main circuit and a secondary circuit, and the main circuit and the secondary circuit are connected They are in a mutually non-conducting configuration, and the secondary loop is matched with the detection antenna; and a lock base is installed with a main antenna. When the lock base is used for the bolt to lock, the chip, the main loop and the main antenna are electrically connected to emit a power supply. Monitor the first signal, and control the secondary circuit to electrically connect the chip and the detection antenna to send out a second signal. This second signal can be used by the mobile phone software to quality control whether the first signal is operating normally. The first signal and the second signal are different. The frequency band configuration can interrupt the main circuit and the secondary circuit and cut off the first signal and the second signal when the plug is damaged.

Furthermore, the plug is equipped with a starting unit to control the secondary circuit and the detection antenna to remain open. However, after the plug locks the lock seat, a differential will be generated between the circuit board and the bolt, allowing the circuit board to switch to start. The unit is used to control the detection antenna, secondary circuit and chip electrical connection to send out the second signal.

Further, the starting unit adopts a switch.

Furthermore, the detection antenna, secondary circuit and chip are matched into a closed circuit and installed on the circuit board together.

Further, the detection antenna, secondary circuit and chip are configured in series.

Furthermore, the bolt has a shaft, a cap head expanded radially outward at the top of the shaft, and a hole penetrating the top surface and the bottom surface; the circuit board has a necked section that can be inserted into the hole, and the necked section is provided with Main circuit and secondary circuit; the circuit board is also equipped with an external expansion section above the necking section, so that the external expansion section is positioned on the cap head. In addition, a starting unit is installed on the top of the expansion section, and a detection antenna is provided on the surface. The outer circumference of the segment and the cap head is covered with a waterproof sleeve, so that there is a gap between the top of the outer expansion segment and the waterproof sleeve to release the starting unit, so that the starting unit disconnects the electrical connection of the detection antenna, secondary circuit and chip, but when plugging in After latching the lock seat, the circuit board can move upward to reduce the gap, allowing the activation unit to press against the waterproof cover, thereby electrically connecting the detection antenna, secondary circuit and chip.

Further, the main loop at least includes a lower contact point located on the bottom surface of the necking section, and a starting end and an end point located above the lower contact point. The secondary loop includes a starting end and an end point located above the lower contact point, and the chip is installed. Between the start end, the end end, the beginning end and the end, the chip and the main circuit can emit the RFID frequency band or microwave frequency band; as for the detection antenna, it is set in a spiral shape on the surface of the outer expansion section, and the control detection antenna is through the start end and end end. And matched with the secondary circuit and chip, it is used to emit the magnetic field frequency band that can provide mobile phone software quality control.

Furthermore, the detection antenna is installed on the top surface of the bolt. As for the main circuit, a contact point matching the main antenna is provided at the bottom of the circuit board, thereby controlling the main antenna and the detection antenna to maintain the maximum distance.

Further, the chip is split into at least a first part matching the primary circuit, and a second part matching the secondary circuit.

Furthermore, the bolt has a shaft, a cap head expanded radially outward at the top of the shaft, and a hole penetrating the top surface and the bottom surface; the circuit board is a mounting hole, and the detection antenna is fixed through a carrier. It is placed on the top of the cap, and further controls the secondary circuit, the second part, and the detection antenna to form a closed circuit through the bolt. The secondary circuit is provided with elastic feet at the bottom edge that can contact the wall of the hole, and the There is an upper contact on the top of the circuit board. As for the startup unit, it provides a pre-pressure to the circuit board to maintain a gap between the upper contact and the detection antenna. However, this gap can be overcome after the bolt locks the lock seat. The upper contact is electrically connected to the second part and the detection antenna, thereby sending out a second signal that can be used for actual measurement and quality control of the mobile phone software.

After adopting the above technical means, the present invention is provided with a chip, a main circuit and a secondary circuit on the circuit board of the electronic seal, so that the secondary circuit is matched with a detection antenna. When the lock is in use, a bolt and a lock base are provided. In addition to electrically connecting the main circuit, the chip, and the main antenna of the lock base to send out the first signal for identifying the host for monitoring, the secondary control circuit, the chip, and the detection antenna can also be electrically connected. The second signal is issued so that the second signal can be used by the mobile phone software to test whether the first signal is functioning normally. When the plug is damaged, the first and second signals can be cut off at the same time. In this way, end customers can conduct actual quality control through mobile phones, thereby avoiding the use of defective products.

Description of drawings

Figure 1 is an exploded schematic diagram of the present invention.

Figure 2 is a schematic front view of the circuit board of the present invention.

Figure 3 is a schematic rear view of the circuit board of the present invention.

Figures 4 and 5 are schematic diagrams of the positions of the bolt, container door bolt and lock base of the present invention.

Figure 6 is a schematic cross-sectional view of the combination of the bolt and the lock base of the present invention when they are locked.

Figure 7 is a schematic cross-sectional view of the breaking plug of the present invention.

Figures 8 and 9 are exploded schematic views of the second embodiment of the plug according to the present invention.

Figure 10 is a schematic cross-sectional view of the second embodiment of the plug according to the present invention.

【Symbol Description】

A plug

10 bolts

11 shaft

12 hat heads

13 holes

14 snap configuration

20 circuit boards

201 necking section

202 external expansion section

21 Main circuit

211 lower contact

212 starting point

213 terminal

22 circuits

221 Beginning

222 end

223 elastic feet

224 upper contact

23 chips

231 Part One

232 Part Two

24 detection antenna

240 carriers

25 start unit

W waterproof case

G gap

B lock seat

30 shell

31 first shell

32 second shell

33 track plate

330 slip space

34 keyhole

35 elastic units

40 buckles

50 main antenna

51 limit part

52 sunken space

53 upper contact

C door bolt.

Detailed ways

As shown in Figures 4 to 7, the electronic seal is composed of bolt A and lock seat B. Bolt A can lock lock seat B from top to bottom to lock the container door bolt C, so that the customs can identify the host computer and monitor the container. Whether it is turned on normally.

Please refer to Figures 1 to 7. The plug A is mainly composed of a circuit board 20 and a detection antenna 24 installed on a bolt 10; wherein;

The bolt 10 is made of a metal material with a relatively strong structure. It has a shaft 11, a cap 12 that expands radially outward at the top of the shaft 11, and a hole 13 penetrating the top and bottom surfaces. The bolt 10 In addition, an engaging arrangement 14 is recessed in the lower outer peripheral ring;

The circuit board 20 has a necked section 201 that can be inserted into the hole 13 from top to bottom, and an expanded section 202 is provided above the necked section 201 so that the bottom end of the expanded section 202 can be positioned on the cap head 12. To enable the necked section 201 to be suspended in the hole 13; the circuit board 20 is further provided with a main circuit 21 in front of the necked section 201 and a secondary circuit 22 at the back, so that the main circuit 21 and the secondary circuit 22 can It is widely arranged up and down the necking section 201 and can be kept non-conducting. The main circuit 21 at least includes a lower contact point 211 located on the bottom surface of the necking section 201 and a starting end located on the top edge of the necking section 201. 212 and a terminal 213 located at the top edge of the necking section 201. As for the secondary loop 22, it also includes a starting end 221 and an end 222 located at the top edge in front of the necking section 201, so that the starting end 212, the terminal 213, and the starting end 221 A chip 23 is installed between the terminal 222 and the chip 23 so that the chip 23 and the main circuit 21 can emit an RFID frequency band or a microwave frequency band. The chip 23 and the secondary circuit 22 emit a magnetic field frequency band that can provide mobile phone software quality control. This magnetic field frequency band can use NFC. System or LF system. In other words, the chip 23 is a system chip and has pins that can emit at least two different frequency bands. The pins are the corresponding connection start end 212, end end 213, start end 221, and end end 222. The surface of the outer expansion section 202 is provided with a detection antenna 24 in a spiral shape, and the detection antenna 24 is controlled to match the secondary loop 22 and the chip 23 through the starting end 221 and the end 222 to form a closed loop. The closed loop system shown in the figure If series connection is selected, a starting unit 25 is additionally installed on the top edge of the external expansion section 202. The starting unit 25 can use a micro-type switch as shown in the figure to allow the starting unit 25 to disconnect the detection antenna 24 and the secondary circuit 22. In addition, the external The outer periphery of the expansion section 202 and the cap head 12 is covered with a waterproof cover W as shown in Figures 4 to 7, for reliably assembling the circuit board 20 on the bolt 10. As shown in Figure 5, the circuit board 20 is finally There is a gap G between the top and the waterproof cover W, which is used to release the starting unit 25 so that the starting unit 25 keeps disconnecting the electrical connection of the detection antenna 24, the secondary circuit 22 and the chip 23 of the closed loop. As for the lower contact 211, it is in a protruding position. The maximum position of the bottom of the hole 13 is such that when the lower contact 211 is pushed up to move a set distance, since the waterproof sleeve W has been fixed on the cap head 12, a differential will occur between the circuit board 20 and the bolt 10. The reduction gap G that enables the circuit board 20 to move upward allows the activation unit 25 to press the waterproof cover W and switch to quickly electrically connect the detection antenna 24, the secondary circuit 22 and the chip 23 of the closed loop;

Please look at Figures 1, 4 and 5. The lock seat B is composed of a shell 30, a buckle 40 and a main antenna 50. The shell 30 is composed of a first shell 31 and a second shell 32, and A number of rail plates 33 are formed inside to set up the sliding space 330 shown in Figures 5 and 6. The housing 30 is recessed from top to bottom with a keyhole 34 connected to the top of the middle section of the sliding space 330. The inside of the keyhole 34 A buckle 40 is installed, and the housing 30 is integrally formed with an elastic unit 35 directly below the lock hole 34. As for the main antenna 50, it is slidably fitted in the sliding space 330, and the bottom of the middle section is provided with a free space for the elastic unit 35. The end-embedded limiter 51 enables the main antenna 50 to be positioned at the top dead center at any time. The top of the middle section of the main antenna 50 is provided with a recessed space 52 downward, and the bottom surface of the recessed space 52 is provided with an upper contact point 53;

Please observe with reference to Figures 5 and 6, when the lower part of the bolt 10 is inserted into the lock hole 34 to lock the container door bolt C, during the insertion process, when the lower contact 211 enters the recessed space 52 and an electrical connection is made to the upper contact 53 , the chip 23, the main circuit 21 and the main antenna 50 can send out the first signal of the RFID frequency band or the microwave frequency band for the customs host to carry out identification and management, and then overcome the elastic unit 35 to position the engagement device 14 at the buckle 40 , so that the bolt 10 cannot be separated from the lock seat B. At this time, the pre-pressure of the elastic unit 35 can be used to push the circuit board 20 upward, and then the activation unit 25 touches the waterproof cover W and switches, so that the detection antenna 24, The secondary circuit 22 and the chip 23 are electrically connected to emit a second signal in the magnetic field frequency band, so that the second signal can be used by mobile software to quality control whether the first signal is operating normally, thereby allowing end customers to intercept the use of defective products to ensure effective supervision of container locking. , therefore, the first signal and the second signal have different frequency band configurations; please observe with reference to Figure 7, if you want to open the container door latch C normally, you only need to use hydraulic shears to destroy the latch 10 from it, and you can simultaneously The main circuit 21 and the secondary circuit 22 of the circuit board 20 are cut off, thereby interrupting the first and second signals.

The first signal and the second signal must have the same serial number (identification code) built in, so that the mobile phone and the customs host computer can determine whether the containers pointed to by the serial numbers are the same.

The invention clearly has the following advantages:

1. During the process of locking the lock seat B, the bolt A of the present invention first sends out the first signal, and then the second signal is sent out. Therefore, the second signal can be used by the mobile phone software to test whether the first signal for quality control is operating normally, thus Allow end customers to intercept defective products and enable the customs host to monitor accurately.

2. During the process of locking the lock seat B, the plug A of the present invention utilizes the differential motion generated between the circuit board 20 and the bolt 10, so that the circuit board 20 can be pushed upward by the reaction of the main antenna 50 to switch the activation unit 25 , used to make the detection antenna 24 of the closed loop, the secondary circuit 22 and the chip 23 send out the second signal. This configuration can ensure that when the bolt A has not locked the lock seat B, the detection antenna 24 and the secondary circuit 22 will not randomly send out the second signal. second signal, thus eliminating the misjudgment of the first signal.

3. The present invention controls the main antenna by detecting that the antenna 24 is installed above the bolt 10, and that the main loop 21 and the secondary loop 22 are in a non-conducting configuration, and then the main antenna 50 is relatively located below the bolt 10. 50. The detection antennas 24 maintain a maximum distance to minimize mutual interference between the second signal and the first signal.

Please refer to Figures 8 and 10, which are schematic diagrams of the second embodiment of the plug A of the present invention. They mainly illustrate that the present invention has at least the following equivalent implementation modes:

1. The aforementioned chip of the present invention is separated into at least a first part 231 matching the main circuit 21, and a second part 232 matching the secondary circuit 22;

2. The detection antenna 24 of the present invention must be configured separately from the circuit board 20, and the detection antenna 24 must be horizontally fixed on the top surface of the cap head 12 through a carrier 240;

3. The second part 232 of the chip 23 of the present invention must be installed on the aforementioned carrier 240, and does not have to be installed on the circuit board 20;

4. The secondary circuit 22, the second part 232, and the detection antenna 24 of the present invention can form a closed circuit through the bolt 10, so that the bolt A is behind the lock seat B, so that the bolt 10 can increase the second signal strength. , making it easier for mobile phones to receive signals. Specifically, the circuit 22 needs to be provided with elastic contacts 223 on the bottom edge that can contact the wall of the hole 13, and an upper contact 224 is provided on the top of the circuit board 20. As for the startup unit 25 provides a pre-pressure to the circuit board 20 to maintain a gap between the upper contact 224 and the detection antenna 24. However, after the bolt A locks the lock seat B, the gap can be overcome, so that the upper contact 224 electrically The second part 232 is connected to the detection antenna 24, thereby emitting a second signal that can be used for actual measurement and quality control of the mobile phone software.

Claims (10)

1. The utility model provides a multifrequency formula electronic seal which characterized in that includes at least:

a plug, which is formed by installing a circuit board and a detection antenna on the plug member; the circuit board is provided with a chip, a main loop and a secondary loop, the main loop and the secondary loop are in a non-conductive configuration, and the secondary loop is matched with the detection antenna; and

the lock seat is provided with a main antenna, when the lock seat is used for locking the bolt, the chip, the main loop and the main antenna are electrically connected to send out a first signal for monitoring, and the secondary loop is controlled to be electrically connected with the chip and the detection antenna to send out a second signal, and the second signal and the first signal are sent out simultaneously or after the first signal is sent out; the second signal is used for the mobile phone software to control whether the first signal is normal or not, the first signal and the second signal are configured in different frequency bands, and the main loop and the secondary loop can be interrupted to cut off the first signal and the second signal when the plug is damaged.

2. The multi-frequency electronic seal of claim 1, wherein: the plug is provided with a starting unit for controlling the secondary loop and the detection antenna to be kept open, but after the plug locks the lock seat, the circuit board and the plug piece can generate differential motion, so that the circuit board can switch the starting unit to control the detection antenna, the secondary loop and the chip to be electrically connected to send out a second signal.

3. The multi-frequency electronic seal of claim 2, wherein: the starting unit adopts a switch.

4. The multi-frequency electronic seal of claim 2, wherein: the detection antenna, the secondary loop and the chip are matched into a closed loop and are mounted on the circuit board.

5. The multi-frequency electronic seal of claim 4, wherein: the detection antenna, the secondary loop and the chip are arranged in series.

6. The multi-frequency electronic seal of claim 2, 3, 4 or 5, wherein: the bolt piece is provided with a rod body, a cap head radially outwards expanding at the top end of the rod body, and a containing hole penetrating through the top surface and the bottom surface; the circuit board is provided with a necking section capable of being inserted into the containing hole, and the necking section is provided with a main loop and a secondary loop; the circuit board is additionally provided with an outer expansion section above the necking section, the outer expansion section is positioned on the cap head, the top end of the outer expansion section is provided with a starting unit, the surface of the outer expansion section is provided with a detection antenna, the outer periphery of the outer expansion section and the cap head is coated with a waterproof sleeve, a gap is reserved between the top end of the outer expansion section and the waterproof sleeve and used for releasing the starting unit, the starting unit breaks the electrical connection of the detection antenna, the secondary loop and the chip, but after the plug lock is locked on the lock seat, the circuit board can move upwards to reduce the gap, so that the starting unit is propped against the waterproof sleeve, and the detection antenna, the secondary loop and the chip are electrically connected.

7. The multi-frequency electronic seal of claim 6, wherein: the main loop at least comprises a lower joint arranged on the bottommost surface of the necking section, and a starting end and a terminal arranged above the lower joint, and the secondary loop comprises a starting end and a terminal arranged above the lower joint, wherein the chip is arranged between the starting end, the terminal, the starting end and the terminal, so that the chip and the main loop can emit RFID frequency bands or microwave frequency bands; the detection antenna is spirally arranged on the surface of the outer expansion section, and is matched with the secondary loop and the chip through the starting end and the tail end so as to send out a magnetic field frequency band for a mobile phone software product pipe.

8. The multi-frequency electronic seal of claim 1, 2, 3, 4 or 5, wherein: the detecting antenna is installed on the top surface of the bolt, and the bottom end of the main loop is provided with a lower contact matched with the main antenna, so that the main antenna and the detecting antenna are controlled to keep the maximum distance.

9. The multi-frequency electronic seal of claim 2, wherein: the chip is split into at least a first portion that mates with the primary loop and a second portion that mates with the secondary loop.

10. The multi-frequency electronic seal of claim 9, wherein: the bolt piece is provided with a rod body, a cap head radially outwards expanding at the top end of the rod body, and a containing hole penetrating through the top surface and the bottom surface; the circuit board is provided with a containing hole, the detection antenna is fixed on the top surface of the cap head through a carrier, and the secondary loop, the second part and the detection antenna are further controlled to form a closed loop through bolts, wherein the secondary loop is provided with an elastic contact pin capable of being abutted against the surface of the containing hole wall at the bottom edge, and an upper contact point is arranged at the top end of the circuit board, the starting unit is used for providing pre-pressure for the circuit board, so that a potential difference is kept between the upper contact point and the detection antenna, but the potential difference can be overcome after the plug bolts lock the locking seat, the upper contact point is electrically connected with the second part and the detection antenna, and a second signal for actually measuring the product pipe by mobile phone software is sent.