CN105759701A - Intelligent magnetic induction tamper alarm method and device - Google Patents
Intelligent magnetic induction tamper alarm method and device Download PDFInfo
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- CN105759701A CN105759701A CN201610102288.2A CN201610102288A CN105759701A CN 105759701 A CN105759701 A CN 105759701A CN 201610102288 A CN201610102288 A CN 201610102288A CN 105759701 A CN105759701 A CN 105759701A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
Abstract
An embodiment of the invention discloses an intelligent magnetic induction tamper alarm method and device. A device is pasted or installed onto an object. Between the device and the object is magnetic material. The device consists internally of a magnetic induction circuit and a control circuit. When the device is removed from the object, the magnetic material will still be on the object. The intensity of a magnetic field induced by the magnetic induction circuit is lower than a first preset value. The magnetic induction circuit produces low voltage and outputs a high level to the control circuit. The control circuit produces alarm information after detecting the high level. In this way, the device can give out a tamper alarm without external power supply and is not affected by ambient noises, the alarm information is reliable, no real-time detection is required, and the tamper alarm can be achieved at low power consumption.
Description
Technical field
The present invention relates to technology of Internet of things field, particularly relate to a kind of Intelligent magnetic sensing dismantling-proof alarming method and device.
Background technology
Internet of Things product is by various information sensing equipment and wireless radiofrequency communication technology, Real-time Collection needs a kind of Product Terminal of the article identifying, manage and controlling, being mainly used in the Weigh sensor of article, location, tracking, monitoring and management to control, its user side has extended and extend between any article and article.Wherein monitoring and control are topmost two functions, are directly connected to privacy and the property safety of user, want conscientiously to accomplish antitheft, protection against trespasser, it is necessary to the installment state of equipment, service condition are carried out monitor in real time.This series products current mainly with power-off, trimming, abnormal shake, the function warning such as withdraw a garrison of setting up defences, its principle is mainly by the vibrations of the whether regular supply of equipment Inspection externally fed and physical environment as alarm criteria, and this kind of technology exists following defect and deficiency:
1, application scenarios is limited, off-board, electric motor car and other do not have on the product that dispatch from foreign news agency supplies, it is impossible to by judging whether by trimming and illegally removing situation, such as case and bag localizer, pet locator and personal locator etc.；
2, easily by weather environment (thundering as blown), surrounding (as firecrackers sound, heavy vehicle travel the road vibration produced) interference, wrong report alert and the inadequate hommization of setting of shaking sensor are caused；
3, correlation detecting circuit real time operation, has higher requirements to power consumption and program.
Summary of the invention
The embodiment of the present invention provides a kind of Intelligent magnetic sensing dismantling-proof alarming method and device, to realize the dismantling-proof alarming of equipment reliably, with low power.
On the one hand, provide a kind of Intelligent magnetic sensing dismantling-proof alarming method, described device interior includes the magnetic conduction circuitry and the control circuit that interconnect, described equipment is pasted or is arranged on article, magnetic material is included between described equipment and described article, described magnetic material produces magnetic field, and described method includes:
When described equipment is detached described article, described magnetic material is still located on described article, and the magnetic field intensity that described magnetic conduction circuitry senses is lower than the first preset value, and described magnetic conduction circuitry produces low-voltage and exports high level extremely described control circuit；
After described control circuit detects described high level, produce warning message.
Preferably, described equipment also includes transmitter, and described method also includes:
Described warning message is sent to alarm platform by described transmitter, by described alarm platform by described alarm information pushing to user.
Preferably, described method also includes:
When described equipment is pasted or is arranged on article, the magnetic field intensity that the described magnetic material that described magnetic conduction circuitry senses produces is higher than the second preset value, and described magnetic conduction circuitry produces high voltage output low level extremely described control circuit；
Described control circuit normal operation, does not produce warning message.
Preferably, described equipment is pasted on the one side of described magnetic material by cohesive material, and the another side of described magnetic material is pasted on described article by described cohesive material.
Preferably, described equipment is buckled in device housings, arranges magnetic material towards described equipment side and hollow out district in described device housings, and described magnetic material loads described magnetic material and hollows out district, and described device housings affixes to described article.
On the other hand, provide a kind of Intelligent magnetic sensing Anti-dismantling alarm device, including equipment, magnetic material and article, described device interior includes the magnetic conduction circuitry and the control circuit that interconnect, described equipment is pasted or is arranged on described article, including described magnetic material between described equipment and described article, described magnetic material produces magnetic field；
When described equipment is detached described article, described magnetic material is still located on described article, and the magnetic field intensity that described magnetic conduction circuitry senses is lower than the first preset value, and described magnetic conduction circuitry is used for producing low-voltage, and exports high level extremely described control circuit；
After described control circuit is used for described high level being detected, produce warning message.
Preferably, described equipment also includes transmitter；
Described transmitter is for being sent to alarm platform by described warning message, by described alarm platform by described alarm information pushing to user.
Preferably, when described equipment is pasted or is arranged on article, the magnetic field intensity that the described magnetic material that described magnetic conduction circuitry senses produces is higher than the second preset value, and described magnetic conduction circuitry is additionally operable to produce high voltage output low level extremely described control circuit；
Described control circuit is additionally operable to normal operation, does not produce warning message.
Preferably, described equipment is pasted on the one side of described magnetic material by cohesive material, and the another side of described magnetic material is pasted on described article by described cohesive material.
Preferably, described device also includes device housings, and described equipment is buckled in described device housings, arranges magnetic material towards described equipment side and hollow out district in described device housings, described magnetic material loads described magnetic material and hollows out district, and described device housings affixes to described article.
Implement a kind of Intelligent magnetic sensing dismantling-proof alarming method and device that the embodiment of the present invention provides, have the advantages that
By equipment being pasted or being arranged on article, magnetic material is included between equipment and article, device interior includes magnetic conduction circuitry and control circuit, when equipment is detached article, magnetic material is still located on article, the magnetic field intensity that magnetic conduction circuitry senses is lower than the first preset value, magnetic conduction circuitry produces low-voltage and exports high level to control circuit, after control circuit detects high level, produce warning message, thus this equipment also can carry out dismantling-proof alarming without dispatch from foreign news agency supply, not by the impact of ambient noise, warning message is reliable, and without real-time detection, dismantling-proof alarming can be realized with low power.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of a kind of Intelligent magnetic sensing dismantling-proof alarming method that Fig. 1 provides for the embodiment of the present invention；
The schematic flow sheet that Fig. 2 refines further for a kind of Intelligent magnetic sensing dismantling-proof alarming method that the embodiment of the present invention shown in Fig. 1 is provided；
The structural representation of a kind of Intelligent magnetic sensing Anti-dismantling alarm device that Fig. 3 provides for the embodiment of the present invention；
A kind of equipment that Fig. 4 is example pastes scheme schematic diagram；
Fig. 5 is a kind of equipment mount scheme schematic diagram of example.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
The schematic flow sheet of a kind of Intelligent magnetic sensing dismantling-proof alarming method that Fig. 1 provides for the embodiment of the present invention, described device interior includes the magnetic conduction circuitry and the control circuit that interconnect, described equipment is pasted or is arranged on article, magnetic material is included between described equipment and described article, described magnetic material produces magnetic field, and the method comprises the following steps:
S101, when described equipment is detached described article, described magnetic material is still located on described article, and the magnetic field intensity that described magnetic conduction circuitry senses is lower than the first preset value, and described magnetic conduction circuitry produces low-voltage and exports high level extremely described control circuit.
In the present embodiment, this equipment is the monitoring device of article, magnetic material is between equipment and article, equipment is pasted or is arranged on article, magnetic material produces stronger magnetic field, but separate article to prevent from reporting to the police once the equipment person of being tampered, and magnetic material is firmly pasted on article, article can not be detached in, therefore, magnetic field or the magnetic field that senses that magnetic conduction circuitry sensing in equipment produces less than magnetic material are more weak, lower than the first preset value, now, magnetic conduction circuitry produces low-voltage, after reversely, output high level is to control circuit.
Specifically, this magnetic conduction circuitry core is made up of the magnetic induction device made according to Hall effect principle.Having a Hall semiconductor chip in magnetic field, constant current passes through this sheet.Under the effect of Lorentz force, offset to one side when electric current is by Hall quasiconductor, make this sheet produce potential difference in vertical direction, i.e. Hall voltage.Hall voltage changes with the change of magnetic field intensity, and magnetic field is more strong, and voltage is more high, magnetic field is more weak, and voltage is more low, and Hall voltage value is only small, generally only several millivolts, but the amplifier in integrated circuit amplifies, just can make this voltage amplification export stronger signal to being enough to.This magnetic conduction circuitry can be integrated circuit.
S102, after described control circuit detects described high level, produces warning message.
When equipment normally uses, magnetic conduction circuitry output low level is to control circuit, when equipment is detached the original installation point of article, owing to magnetic conduction circuitry changes output level, after control circuit detects level change, after being namely changed to high level by low level, produce warning message.
A kind of Intelligent magnetic sensing dismantling-proof alarming method provided according to embodiments of the present invention, by equipment being pasted or being arranged on article, magnetic material is included between equipment and article, device interior includes magnetic conduction circuitry and control circuit, when equipment is detached article, magnetic material is still located on article, the magnetic field intensity that magnetic conduction circuitry senses is lower than the first preset value, magnetic conduction circuitry produces low-voltage and exports high level to control circuit, after control circuit detects high level, produce warning message, thus this equipment also can carry out dismantling-proof alarming without dispatch from foreign news agency supply, not by the impact of ambient noise, warning message is reliable, and without real-time detection, dismantling-proof alarming can be realized with low power.
The schematic flow sheet that Fig. 2 refines further for a kind of Intelligent magnetic sensing dismantling-proof alarming method that the embodiment of the present invention shown in Fig. 1 is provided, described device interior includes control circuit, and the magnetic conduction circuitry being connected with control circuit respectively and transmitter, described equipment is pasted or is arranged on article, magnetic material is included between described equipment and described article, described magnetic material produces magnetic field, and the method comprises the following steps:
S201, when described equipment is pasted or is arranged on article, the magnetic field intensity that the described magnetic material that described magnetic conduction circuitry senses produces is higher than the second preset value, and described magnetic conduction circuitry produces high voltage output low level extremely described control circuit.
In the present embodiment, this equipment is the monitoring device of article, magnetic material is between equipment and article, and equipment is pasted or is arranged on article, and magnetic material produces stronger magnetic field, due to equipment proximate magnetic material, the magnetic conduction circuitry of equipment can sense stronger magnetic field, and magnetic field intensity is higher than the second preset value, and magnetic conduction circuitry produces high voltage, through reversely, output low level is to control circuit.
S202, described control circuit normal operation, do not produce warning message.
Control circuit controls equipment normal operation, does not produce warning message.
S203, when described equipment is detached described article, described magnetic material is still located on described article, and the magnetic field intensity that described magnetic conduction circuitry senses is lower than the first preset value, and described magnetic conduction circuitry produces low-voltage and exports high level extremely described control circuit.
Article are separated to prevent from reporting to the police once the equipment person of being tampered, and magnetic material is firmly pasted on article, article can not be detached in, therefore, magnetic field that the sensing of magnetic conduction circuitry in equipment produces less than magnetic material or the magnetic field sensed are more weak, lower than the first preset value, now, magnetic conduction circuitry produces low-voltage, after reversely, exports high level to control circuit.
S204, after described control circuit detects described high level, produces warning message.
When equipment is detached the original installation point of article, owing to magnetic conduction circuitry changes output level, after control circuit detects level change, after being namely changed to high level by low level, produce warning message.
S205, described warning message is sent to alarm platform by described transmitter, by described alarm platform by described alarm information pushing to user.
Equipment includes transmitter, for instance radio frequency transtation mission circuit, and warning message is sent to alarm platform, and alarm platform sends warning message to user mobile phone, the network platform etc. again, makes user can pass through number of ways and knows warning message in time.
A kind of equipment that Fig. 4 is example pastes scheme schematic diagram, and equipment 1 pastes the hook face 3 of VELCRO by 3M glue 2, and VELCRO hair side 4 coated magnetic material 5 is pasted on article 6 by 3M glue 2, and hook face 3 and the hair side 4 of VELCRO can be pasted mutually, but also can separate.This bonding method is simple to operation, and when equipment 1 is pulled away by article stealer, in this case it is not apparent that magnetic material in the hair side 4 of VELCRO, after therefore equipment 1 is separated, remain to send warning.Type of alarm is hidden.
Fig. 5 is a kind of equipment mount scheme schematic diagram of example, the housing assembly 9 of designing apparatus, and in housing assembly 9, design a magnetic material hollow out district 14, this magnetic material is placed or be pasted on to magnetic material 8 and hollows out district 14, then equipment 7 is buckled in this housing assembly 9, and housing assembly 9 is pasted on article 13 by 3M glue 10, when equipment 7 is separated housing assembly 9 by article stealer, (housing assembly 9 is firmly pasted on article 13 by 3M glue, it is difficult to separate), magnetic material is still firmly pasted on magnetic material and hollows out district 14, equipment 7 is by alert.
A kind of Intelligent magnetic sensing dismantling-proof alarming method provided according to embodiments of the present invention, by equipment being pasted or being arranged on article, magnetic material is included between equipment and article, device interior includes magnetic conduction circuitry and control circuit, when equipment is detached article, magnetic material is still located on article, the magnetic field intensity that magnetic conduction circuitry senses is lower than the first preset value, magnetic conduction circuitry produces low-voltage and exports high level to control circuit, after control circuit detects high level, produce warning message, thus this equipment also can carry out dismantling-proof alarming without dispatch from foreign news agency supply, not by the impact of ambient noise, warning message is reliable, and without real-time detection, dismantling-proof alarming can be realized with low power；And warning message is sent to alarm platform, alarm platform can in several ways by alarm information pushing to user.
It should be noted that, for aforesaid each embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, embodiment described in this description belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
The structural representation of a kind of Intelligent magnetic sensing Anti-dismantling alarm device that Fig. 3 provides for the embodiment of the present invention, this device includes equipment 100, magnetic material 200 and article 300, equipment 100 is pasted or is snapped in magnetic material 200, equipment 100 and magnetic material 200 are pasted or are installed on article 300, equipment 100 includes magnetic conduction circuitry 11 and control circuit 12, transmitter (not shown) can also be included, described device interior includes the magnetic conduction circuitry and the control circuit that interconnect, described equipment is pasted or is arranged on article, magnetic material is included between described equipment and described article, described magnetic material produces magnetic field.
When described equipment is pasted or is arranged on article, the magnetic field intensity that the described magnetic material that described magnetic conduction circuitry senses produces is higher than the second preset value, and described magnetic conduction circuitry 11 is used for producing high voltage output low level extremely described control circuit.Described control circuit 12, for normal operation, does not produce warning message.
In the present embodiment, this equipment is the monitoring device of article, magnetic material is between equipment and article, and equipment is pasted or is arranged on article, and magnetic material produces stronger magnetic field, due to equipment proximate magnetic material, the magnetic conduction circuitry of equipment can sense stronger magnetic field, and magnetic field intensity is higher than the second preset value, and magnetic conduction circuitry produces high voltage, through reversely, output low level is to control circuit.
Control circuit controls equipment normal operation, does not produce warning message.
When described equipment is detached described article, described magnetic material is still located on described article, and the magnetic field intensity that described magnetic conduction circuitry senses is lower than the first preset value, and described magnetic conduction circuitry 11 is used for producing low-voltage and exporting high level extremely described control circuit.After described control circuit 12 is used for described high level being detected, produce warning message.
Article are separated to prevent from reporting to the police once the equipment person of being tampered, and magnetic material is firmly pasted on article, article can not be detached in, therefore, magnetic field that the sensing of magnetic conduction circuitry in equipment produces less than magnetic material or the magnetic field sensed are more weak, lower than the first preset value, now, magnetic conduction circuitry produces low-voltage, after reversely, exports high level to control circuit.
When equipment is detached the original installation point of article, owing to magnetic conduction circuitry changes output level, after control circuit detects level change, after being namely changed to high level by low level, produce warning message.
Described transmitter is for being sent to alarm platform by described warning message, by described alarm platform by described alarm information pushing to user.
Equipment includes transmitter, for instance radio frequency transtation mission circuit, and warning message is sent to alarm platform, and alarm platform sends warning message to user mobile phone, the network platform etc. again, makes user can pass through number of ways and knows warning message in time.
A kind of equipment that Fig. 4 is example pastes scheme schematic diagram, and equipment 1 pastes the hook face 3 of VELCRO by 3M glue 2, and VELCRO hair side 4 coated magnetic material 5 is pasted on article 6 by 3M glue 2, and hook face 3 and the hair side 4 of VELCRO can be pasted mutually, but also can separate.This bonding method is simple to operation, and when equipment 1 is pulled away by article stealer, in this case it is not apparent that magnetic material in the hair side 4 of VELCRO, after therefore equipment 1 is separated, remain to send warning.Type of alarm is hidden.
Fig. 5 is a kind of equipment mount scheme schematic diagram of example, the housing assembly 9 of designing apparatus, and in housing assembly 9, design a magnetic material hollow out district 14, this magnetic material is placed or be pasted on to magnetic material 8 and hollows out district 14, then equipment 7 is buckled in this housing assembly 9, and housing assembly 9 is pasted on article 13 by 3M glue 10, when equipment 7 is separated housing assembly 9 by article stealer, (housing assembly 9 is firmly pasted on article 13 by 3M glue, it is difficult to separate), magnetic material is still firmly pasted on magnetic material and hollows out district 14, equipment 7 is by alert.
A kind of Intelligent magnetic sensing Anti-dismantling alarm device provided according to embodiments of the present invention, by equipment being pasted or being arranged on article, magnetic material is included between equipment and article, device interior includes magnetic conduction circuitry and control circuit, when equipment is detached article, magnetic material is still located on article, the magnetic field intensity that magnetic conduction circuitry senses is lower than the first preset value, magnetic conduction circuitry produces low-voltage and exports high level to control circuit, after control circuit detects high level, produce warning message, thus this equipment also can carry out dismantling-proof alarming without dispatch from foreign news agency supply, not by the impact of ambient noise, warning message is reliable, and without real-time detection, dismantling-proof alarming can be realized with low power；And warning message is sent to alarm platform, alarm platform can in several ways by alarm information pushing to user.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, certain embodiment there is no the part described in detail, it is possible to referring to the associated description of other embodiments.
Through the above description of the embodiments, those skilled in the art is it can be understood that can realize with hardware to the present invention, or firmware realizes, or their compound mode realizes.When implemented in software, it is possible to above-mentioned functions is stored in computer-readable medium or is transmitted as the one or more instructions on computer-readable medium or code.Computer-readable medium includes computer-readable storage medium and communication media, and wherein communication media includes being easy to any medium of transmission computer program from a place to another place.Storage medium can be any usable medium that computer can access.As example but be not limited to: computer-readable medium can include random access memory (RandomAccessMemory, RAM), read only memory (Read-OnlyMemory, ROM), EEPROM (ElectricallyErasableProgrammableRead-OnlyMemory, EEPROM), read-only optical disc (CompactDiscRead-OnlyMemory, or other optical disc storage CD-ROM), magnetic disk storage medium or other magnetic storage apparatus, or can be used in carrying or store the desired program code with instruction or data structure form can by any other medium of computer access.In addition.Any connection can be suitable become computer-readable medium.Such as, if software is to use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (DigitalSubscriberLine, DSL) or the wireless technology of such as infrared ray, radio and microwave etc from website, server or other remote source, then the wireless technology of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave etc include affiliated medium fixing in.As used in the present invention, dish (Disk) and dish (disc) include compression laser disc (CD), laser dish, laser disc, Digital Versatile Disc (DVD), floppy disk and Blu-ray Disc, the duplication data of the usual magnetic of its mid-game, dish then carrys out the duplication data of optics with laser.Above combination above should also be as including within the protection domain of computer-readable medium.
In a word, the foregoing is only the preferred embodiment of technical solution of the present invention, be not intended to limit protection scope of the present invention.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. an Intelligent magnetic sensing dismantling-proof alarming method, it is characterized in that, described device interior includes the magnetic conduction circuitry and the control circuit that interconnect, described equipment is pasted or is arranged on article, magnetic material is included between described equipment and described article, described magnetic material produces magnetic field, and described method includes:
When described equipment is detached described article, described magnetic material is still located on described article, and the magnetic field intensity that described magnetic conduction circuitry senses is lower than the first preset value, and described magnetic conduction circuitry produces low-voltage and exports high level extremely described control circuit；
After described control circuit detects described high level, produce warning message.
2. the method for claim 1, it is characterised in that described equipment also includes transmitter, and described method also includes:
Described warning message is sent to alarm platform by described transmitter, by described alarm platform by described alarm information pushing to user.
3. the method for claim 1, it is characterised in that described method also includes:
When described equipment is pasted or is arranged on article, the magnetic field intensity that the described magnetic material that described magnetic conduction circuitry senses produces is higher than the second preset value, and described magnetic conduction circuitry produces high voltage output low level extremely described control circuit；
Described control circuit normal operation, does not produce warning message.
4. the method as described in claim 1-3 any one, it is characterised in that described equipment is pasted on the one side of described magnetic material by cohesive material, and the another side of described magnetic material is pasted on described article by described cohesive material.
5. the method as described in claim 1-3 any one, it is characterized in that, described equipment is buckled in device housings, arranges magnetic material towards described equipment side and hollow out district in described device housings, described magnetic material loads described magnetic material and hollows out district, and described device housings affixes to described article.
6. an Intelligent magnetic sensing Anti-dismantling alarm device, it is characterized in that, including equipment, magnetic material and article, described device interior includes the magnetic conduction circuitry and the control circuit that interconnect, described equipment is pasted or is arranged on described article, including described magnetic material between described equipment and described article, described magnetic material produces magnetic field；
When described equipment is detached described article, described magnetic material is still located on described article, and the magnetic field intensity that described magnetic conduction circuitry senses is lower than the first preset value, and described magnetic conduction circuitry is used for producing low-voltage, and exports high level extremely described control circuit；
After described control circuit is used for described high level being detected, produce warning message.
7. device as claimed in claim 6, it is characterised in that described equipment also includes transmitter；
Described transmitter is for being sent to alarm platform by described warning message, by described alarm platform by described alarm information pushing to user.
8. device as claimed in claim 6, it is characterised in that:
When described equipment is pasted or is arranged on article, the magnetic field intensity that the described magnetic material that described magnetic conduction circuitry senses produces is higher than the second preset value, and described magnetic conduction circuitry is additionally operable to produce high voltage output low level extremely described control circuit；
Described control circuit is additionally operable to normal operation, does not produce warning message.
9. the device as described in claim 6-8 any one, it is characterised in that described equipment is pasted on the one side of described magnetic material by cohesive material, and the another side of described magnetic material is pasted on described article by described cohesive material.
10. the device as described in claim 6-8 any one, it is characterized in that, described device also includes device housings, described equipment is buckled in described device housings, in described device housings, magnetic material is set towards described equipment side and hollows out district, described magnetic material loads described magnetic material and hollows out district, and described device housings affixes to described article.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610102288.2A CN105759701A (en) | 2016-02-24 | 2016-02-24 | Intelligent magnetic induction tamper alarm method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610102288.2A CN105759701A (en) | 2016-02-24 | 2016-02-24 | Intelligent magnetic induction tamper alarm method and device |
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| CN105759701A true CN105759701A (en) | 2016-07-13 |
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| WO2020000321A1 (en) * | 2018-06-28 | 2020-01-02 | 西门子股份公司 | Electronic seal label apparatus, electric motor assembly and electronic seal label verification method |
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| CN204288413U (en) * | 2014-12-23 | 2015-04-22 | 深圳市世纪联合创新科技有限公司 | Electronic anti-theft structure |
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Application publication date: 20160713 |