CN204440592U - Anti-theft alarm device - Google Patents
Anti-theft alarm device Download PDFInfo
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- CN204440592U CN204440592U CN201420795630.8U CN201420795630U CN204440592U CN 204440592 U CN204440592 U CN 204440592U CN 201420795630 U CN201420795630 U CN 201420795630U CN 204440592 U CN204440592 U CN 204440592U
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- theft alarm
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Abstract
The utility model discloses a kind of anti-theft alarm device, described device comprises: Magnetic testi module, in order to detect the changes of magnetic field of the magnetic substance parts be arranged on testee; Processing module, for generating anti-theft alarm signal according to described changes of magnetic field; Wherein, described Magnetic testi module comprises at least 4 sub-detecting units, and described magnetic substance parts comprise at least 4 magnets, and at least two in described magnet is the different layout of polarity, the equal one_to_one corresponding of each described sub-detecting unit described magnet.Adopt the utility model, improve the reliability that object moves alarm.
Description
Technical field
The utility model relates to alarm, in particular to a kind of anti-theft alarm device.
Background technology
The stolen situation of article frequently occurs in all trades and professions, such as: the rare cultural relics of museum are stolen, valuables in room are stolen, ATM user bank card information is stolen etc.For this reason, user needs town to carry out special security settings to those article that can be moved usually, to make described article when illegally being moved, generates audible ringing signal, vibrations alerting signal, light alerting signal etc. to point out user or fright stealer; Or special Anti-theft card is carried out for ATM equipment arrange, such as, by structurally carrying out the shutoff (occupy-place block) on structure space to the dangerous position of possibility, or use simple machinery or fine motion touch-switch to carry out behavior monitoring.
At present, object moves alarm method and mainly uses: broken string open circuit, the alarm methods such as microswitch and light reflection, such as when adopting short-term open circuit alarm scheme, once line broken circuit be detected, then produce audible and visual alarm, but the utility model people finds, these existing objects move alarm method and have following shortcoming: otherwise alarm device directly must contact with object to be detected, alarm device must be contacted by light detecting signal and object to be detected, when alarm device and object to be detected have barrier or cannot directly contact, alarm accurately cannot be realized based on described existing alarm scheme, thus its availability is lower.
For ATM user bank card information is antitheft, by structurally carrying out the shutoff on structure space to the dangerous position of possibility, or use simple machinery or fine motion touch-switch to carry out behavior monitoring, but these methods are comparatively simple, easily cracked by lawless person, anti-theft effect is undesirable.
Utility model content
In order to solve the problem, the purpose of this utility model is to provide a kind of object to move alarm device.
The utility model realizes by the following technical solutions:
A kind of anti-theft alarm device, comprising:
Magnetic testi module, in order to detect the changes of magnetic field of the magnetic substance parts be arranged on testee;
Processing module, for generating anti-theft alarm signal according to described changes of magnetic field;
Wherein, described Magnetic testi module comprises at least 4 sub-detecting units, described magnetic substance parts comprise at least 4 magnet pre-installation positions and are randomly arranged in the magnet at least 2 described magnet pre-installation positions, at least two in described magnet is the different layout of polarity, the equal one_to_one corresponding of each described sub-detecting unit described magnet.
Preferably, described anti-theft alarm device also comprises:
Alarm module, for performing physical alert action according to the anti-theft alarm signal received from described processing module.
Preferably, described anti-theft alarm device also comprises: communication module, for the anti-theft alarm received from described processing module signal is sent to third party's monitor supervision platform by Wireless/wired communication modes.
Preferably, described testee is be placed in the occupy-place block in idle area space, ATM bank card card inserting mouth bottom, and the nearly magnetic limit orthogonal projection of inserting the bank card of ATM bank card card inserting mouth is more than or equal to 17 millimeters to the width of described occupy-place block edge.
Preferably, between described anti-theft alarm device and magnetic substance parts, there is non-magnetic spacer.
Preferably, described non-magnetic spacer is ATM cabinet wall.
Preferably, described anti-theft alarm device also comprises:
Card protection module, for performing plug-in card protection act according to described anti-theft alarm signal.
Preferably, have magnetic isolation unit part between described magnet is adjacent between two, described at least 2 magnets are coated with by a magnetic conduction shielding element portion one-way magnetic line passage formed towards described Magnetic testi module.
Preferably, described Magnetic testi module comprises the first sub-detecting unit, the second sub-detecting unit, the 3rd sub-detecting unit and the 4th sub-detecting unit, it is corresponding with the first magnet that described magnetic substance parts comprise, the second magnet, the 3rd magnet and the 4th magnet respectively, described first magnet and the second magnet are polarity identical set, described 3rd magnet and the 4th magnet are polarity identical set, and described first magnet and the 3rd magnet are the different layout of polarity.
Preferably, described processing module comprises buffer circuit and state lock-in circuit, wherein:
Described buffer circuit comprises the first phase inverter U40B, second phase inverter U40C, first just with gate device U34A, second just with gate device U34B, 3rd just with gate device U34C, the input end of the first phase inverter U40B is connected to the output terminal of the first sub-detecting unit, the output terminal of the first phase inverter U40B be connected to first just with the input end of gate device U34A, the input end of the second phase inverter U40C is connected to the output terminal of the second sub-detecting unit, the output terminal of the second phase inverter U40C is connected to the input end of the second phase inverter U40C, the output terminal of the first phase inverter U40B be connected to first just with the first input end of gate device U34A, the output terminal of the second phase inverter U40C be connected to first just with second input end of gate device U34A, first be just connected to the output terminal of gate device U34A the 3rd just with the first input end of gate device U34C, second output terminal being just connected to the 3rd sub-detecting unit with the first input end of gate device U34B, second is just connected to the output terminal of the 4th sub-detecting unit with second input end of gate device U34B, second be just connected to the output terminal of gate device U34B the 3rd just with second input end of gate device U34C, 3rd input end being just connected to described state lock-in circuit with the output terminal of gate device U34C,
Described state lock-in circuit comprises the 3rd phase inverter U40A, first resistance R8, second resistance R9, first electric capacity C7, second electric capacity C8, 3rd electric capacity C9 and positive or gate device U7, the input end of the 3rd phase inverter U40A is connected to the output terminal of described buffer circuit, the output terminal of the 3rd phase inverter U40A is connected to one end of the first resistance R8, the other end of the first resistance R8 is connected to the first input end B of positive or gate device U7, and by the 3rd electric capacity C9 ground connection, the GND of positive or gate device U7 holds ground connection, the second input end A of positive or gate device U7 is connected to its output terminal Y, and successively by resistance second resistance R9 and the second electric capacity C8 ground connection, the VCC termination high level of positive or gate device U7, and by the first electric capacity C7 ground connection.
The utility model is based on magnetic induction, by arranging magnetic substance parts on testee, wherein, described magnetic substance parts at least 4 magnets, the Magnetic testi module that alarm device deploy can detect described magnetic substance parts magnetic field and its changes of magnetic field situation is moved at object, described Magnetic testi module comprises at least 4 and described magnet detecting unit one to one, thus described object can be made to move alarm device do not need directly to contact with testee, even if between there is non-magnetic spacer (as body of wall etc.), also can at described testee when being moved, described object moves alarm device and successfully can detect according to the changes of magnetic field situation of described magnetic substance parts magnetic field and obtain, adopt the utility model, improve the reliability that object moves alarm.
Accompanying drawing explanation
A kind of object that Fig. 1 provides for the utility model embodiment moves alarm device structural representation;
Fig. 2 is the schematic diagram reserving 9 magnet pre-installation positions in the utility model embodiment on described occupy-place position;
The processing module circuit diagram that Fig. 3 provides for the utility model embodiment.
The realization of the utility model object, functional characteristics and excellent effect, be described further below in conjunction with specific embodiment and accompanying drawing.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme described in the utility model is described in further detail, to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1 and Figure 2, present embodiments provide a kind of anti-theft alarm device 20, comprising:
Magnetic testi module 201, in order to detect the changes of magnetic field of the magnetic substance parts 10 be arranged on testee (not shown);
Processing module 203, for generating anti-theft alarm signal according to described changes of magnetic field;
Wherein, described Magnetic testi module 201 comprises at least 4 sub-detecting units 2011, described magnetic substance parts 10 comprise at least 4 magnet pre-installation positions and are randomly arranged in the magnet at least 2 described magnet pre-installation positions 102, at least two in described magnet is the different layout of polarity, and each described sub-detecting unit 2011 is one_to_one corresponding described magnet all.
To realize ATM Anti-theft card based on described anti-theft alarm device 20, described testee is be placed in the occupy-place block in idle area space, ATM bank card card inserting mouth bottom, the nearly magnetic limit orthogonal projection of inserting the bank card of ATM bank card card inserting mouth is more than or equal to 17 millimeters to the width of described occupy-place block edge, between described anti-theft alarm device 20 and magnetic substance parts 10, there is non-magnetic spacer, particularly, described non-magnetic spacer is ATM cabinet wall, on occupy-place device, magnet (the such as permanent magnet of the different layout of multiple polarity is set, magnetic field for generation of comparatively constant), described Magnetic testi module 201 and described processing module 203 is arranged in ATM rack, on described occupy-place position, such as reserve 9 magnet pre-installation positions 102 (certainly, the quantity of described magnet also can be other quantity, such as 4 ~ 9, in specific implementation process, the quantity of described magnet is more, the reliability of described anti-theft alarm device 20 is higher), for the ATM that every platform is different, pass through Stochastic choice, 4 some positions in described 9 magnet pre-installation positions 102 are selected magnet to be installed (certainly, the quantity of the magnet of described actual installation also can be other quantity, the present embodiment is for 4, specifically, the quantity of the magnet of described actual installation is more, the reliability of described anti-theft alarm device 20 is higher), the magnet of described 4 actual installation forms described magnetic substance parts 10, in these 4 some positions, two magnets adopt S pole to arrange towards the direction of described anti-theft alarm device 20, 2 adopt N pole to arrange towards the direction of described anti-theft alarm device 20, correspondingly, the quantity of the sub-detecting unit 2011 of the Magnetic testi module 201 of described anti-theft alarm device 20 is also consistent with the quantity of the magnet of described actual arrangement, and the correspondence that spatially matches.In the present embodiment, described sub-detecting unit 2011 all adopts, lawless person by destroying described occupy-place block, when the robber's card apparatus for stealing user's bank card information being installed with vacating space, described Magnetic testi module 201 can detect the magnetic field obtaining described magnetic substance parts 10 and there occurs change, and namely described processing module 203 generates anti-theft alarm signal according to described changes of magnetic field.
Certainly, except be applied to ATM bank card information antitheft except, described anti-theft alarm device 20 also can be used for the antitheft of other fixing articles, such as described testee is the valuables being fixedly installed on certain place, described valuables are arranged described magnetic substance parts 10, simultaneously outside or arrange described anti-theft alarm device 20 every a non-magnetic spacer, when described valuables are illegally moved, described anti-theft alarm dress detects the changes of magnetic field of described magnetic substance parts 10, and generates anti-theft alarm signal accordingly.
Preferably, described anti-theft alarm device 20 also comprises:
Alarm module 205, for performing physical alert action according to the anti-theft alarm signal received from described processing module 203.In the present embodiment, described physical alert action includes but not limited to: sound and light alarm, vibration alarming etc.
Preferably, described anti-theft alarm device 20 also comprises:
Communication module 204, for being sent to third party's monitor supervision platform by the anti-theft alarm signal received from described processing module 203 by Wireless/wired communication modes.Such as described third party's monitor supervision platform is banking supervisory systems, described banking supervisory systems performs corresponding emergency processing action according to described anti-theft alarm signal, such as send alarm information etc. to corresponding bank security personnel, so that it implements to arrest to lawless person in time.
Preferably, described anti-theft alarm device 20 also comprises:
Card protection module 202, for performing plug-in card protection act according to described anti-theft alarm signal.
In the present embodiment, described plug-in card protection act refers to the card action stoping user, such as, in hardware implementing, when described card protection module 202 gets anti-theft alarm signal, operate the plug-in card blocking member (not shown) that it is positioned at card inserting mouth, so that the card action of any user physically can be stoped; Or in software simulating; when described card protection module 202 gets anti-theft alarm signal; can identify current have bank card to be inserted into card inserting mouth when; unconditionally to spue described bank card by controlling to tell card apparatus; in other specific embodiments, those skilled in the art can realize any one described plug-in card protection act performed based on described anti-theft alarm signal according to utility model spirit of the present utility model.
Preferably, have magnetic isolation unit part (not shown) between described magnet is adjacent between two, described at least 2 magnets are coated with by a magnetic conduction shielding element portion one-way magnetic line passage formed towards described Magnetic testi module 201.
Preferably, described Magnetic testi module 201 comprises the first sub-detecting unit, second sub-detecting unit, 3rd sub-detecting unit, and the 4th sub-detecting unit, its the first magnet comprised with described magnetic substance parts 10 respectively, second magnet, 3rd magnet, and the 4th magnet corresponding, described first magnet and the second magnet be polarity identical set (such as, its S extremely all arranges towards described anti-theft alarm device 20), described 3rd magnet and the 4th magnet be polarity identical set (such as, its N extremely all arranges towards described anti-theft alarm device 20), described first magnet and the 3rd magnet are the different layout of polarity.
Continue antitheft for ATM bank card information, at occupy-place device, the magnet of position of sound production two S extreme directions that the Hall element of two S poles is corresponding, the magnet of position of sound production two N extreme directions that the Hall element of two N poles is corresponding.If lawless person removes occupy-place block by force, four sub-detecting units of described anti-theft alarm device 20 can detect the changes of magnetic field of opposed polarity, thus can cause alarm.If lawless person simulates magnetic signal at outside magnet: during as removed analog magnetic field with magnet S pole, described 3rd sub-detecting unit and the 4th sub-detecting unit can detect changes of magnetic field, thus cause alarm; When lawless person affects with magnet N pole, described first sub-detecting unit and the second sub-detecting unit can detect changes of magnetic field.Thus initiation alarm.Based on this, reliability and the security of described anti-theft alarm device 20 can be improved.
Preferably, shown in figure 3, described processing module 203 comprises buffer circuit 300 and state lock-in circuit 400.
Described buffer circuit 300 comprise the first phase inverter U40B (such as SN74AHC14D), the second phase inverter U40C (such as SN74AHC14D), first just with gate device U34A (such as SN74AHC08D), second just with gate device U34B (such as SN74AHC08D), the 3rd just with gate device U34C (such as SN74AHC08D).The input end of the first phase inverter U40B is connected to the output terminal (HALL_A) of the first sub-detecting unit, the output terminal of the first phase inverter U40B be connected to first just with the first input end of gate device U34A, the input end of the second phase inverter U40C is connected to the output terminal (HALL_B) of the second sub-detecting unit, the output terminal of the second phase inverter U40C be connected to first just with second input end of gate device U34A, first be just connected to the output terminal of gate device U34A the 3rd just with the first input end of gate device U34C, second output terminal (HALL_C) being just connected to the 3rd sub-detecting unit with the first input end of gate device U34B, second output terminal (HALL_D) being just connected to the 4th sub-detecting unit with second input end of gate device U34B, second be just connected to the output terminal of gate device U34B the 3rd just with second input end of gate device U34C, 3rd input end being just connected to described state lock-in circuit 400 with the output terminal of gate device U34C.
Described state lock-in circuit 400 comprises the 3rd phase inverter U40A (such as SN74AHC14D), first resistance R8, second resistance R9, first electric capacity C7, second electric capacity C8, 3rd electric capacity C9 and positive or gate device U7 (such as SN74AHC1G32), the input end of the 3rd phase inverter U40A is connected to the output terminal of described buffer circuit 300, the output terminal of the 3rd phase inverter U40A is connected to one end of the first resistance R8, the other end of the first resistance R8 is connected to the first input end B of positive or gate device U7, and by the 3rd electric capacity C9 ground connection, the GND of positive or gate device U7 holds ground connection, the second input end A of positive or gate device U7 is connected to its output terminal Y, and successively by resistance second resistance R9 and the second electric capacity C8 ground connection, the VCC termination high level of positive or gate device U7, and by the first electric capacity C7 ground connection.
In the present embodiment, described first sub-detecting unit, second sub-detecting unit, 3rd sub-detecting unit, and the 4th sub-detecting unit four tunnels output signal HALL_A, HALL_B, HALL_C, HALL_D, the S extreme direction of what the Hall element due to the first sub-detecting unit and the second sub-detecting unit detected is the first magnet and the second magnet, the N extreme direction of what the Hall element of the 3rd sub-detecting unit and the 4th sub-detecting unit detected is the 3rd magnet and the 4th magnet, so in the present embodiment, respectively by the first phase inverter U40B and the second phase inverter U40C, negate is carried out to the first output signal HALL_A and second output signal HALL_B, again by first just with gate device U34A, second just with gate device U34B and the 3rd just with gate device U34C to the signal of described negate and the described 3rd output signal HALL_C and the 4th output signal HALL_D phase with, if (such as the first output signal HALL_A and second output signal HALL_B is low when their logic all meets the requirements, 3rd output signal HALL_C and the 4th output signal HALL_D is high), then the 3rd is being just low with the output of gate device U34C, otherwise, 3rd can be just high with the output of gate device U34C, now alert trigger, generate anti-theft alarm signal.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an anti-theft alarm device, is characterized in that, comprising:
Magnetic testi module, in order to detect the changes of magnetic field of the magnetic substance parts be arranged on testee;
Processing module, for generating anti-theft alarm signal according to described changes of magnetic field;
Wherein, described Magnetic testi module comprises at least 4 sub-detecting units, described magnetic substance parts comprise at least 4 magnet pre-installation positions and are randomly arranged in the magnet at least 2 described magnet pre-installation positions, at least two in described magnet is the different layout of polarity, the equal one_to_one corresponding of each described sub-detecting unit described magnet.
2. anti-theft alarm device as claimed in claim 1, is characterized in that, also comprise:
Alarm module, for performing physical alert action according to the anti-theft alarm signal received from described processing module.
3. anti-theft alarm device as claimed in claim 1, is characterized in that, also comprise:
Communication module, for being sent to third party's monitor supervision platform by the anti-theft alarm received from described processing module signal by Wireless/wired communication modes.
4. anti-theft alarm device as claimed in claim 1, it is characterized in that, described testee is be placed in the occupy-place block in idle area space, ATM bank card card inserting mouth bottom, and the nearly magnetic limit orthogonal projection of inserting the bank card of ATM bank card card inserting mouth is more than or equal to 17 millimeters to the width of described occupy-place block edge.
5. the anti-theft alarm device as described in any one of claim 1-4, is characterized in that, between described anti-theft alarm device and magnetic substance parts, have non-magnetic spacer.
6. anti-theft alarm device as claimed in claim 5, it is characterized in that, described non-magnetic spacer is ATM cabinet wall.
7. anti-theft alarm device as claimed in claim 6, is characterized in that, also comprise:
Card protection module, for performing plug-in card protection act according to described anti-theft alarm signal.
8. the anti-theft alarm device as described in any one of claim 1-4, it is characterized in that, have magnetic isolation unit part between described magnet is adjacent between two, described at least 2 magnets are coated with by a magnetic conduction shielding element portion one-way magnetic line passage formed towards described Magnetic testi module.
9. anti-theft alarm device as claimed in claim 4, it is characterized in that, described Magnetic testi module comprises the first sub-detecting unit, the second sub-detecting unit, the 3rd sub-detecting unit and the 4th sub-detecting unit, it is corresponding with the first magnet that described magnetic substance parts comprise, the second magnet, the 3rd magnet and the 4th magnet respectively, described first magnet and the second magnet are polarity identical set, described 3rd magnet and the 4th magnet are polarity identical set, and described first magnet and the 3rd magnet are the different layout of polarity.
10. anti-theft alarm device as claimed in claim 9, it is characterized in that, described processing module comprises buffer circuit and state lock-in circuit, wherein:
Described buffer circuit comprises the first phase inverter (U40B), second phase inverter (U40C), first just with gate device (U34A), second just with gate device (U34B), 3rd just with gate device (U34C), the input end of the first phase inverter (U40B) is connected to the output terminal of the first sub-detecting unit, the output terminal of the first phase inverter (U40B) be connected to first just with the input end of gate device (U34A), the input end of the second phase inverter (U40C) is connected to the output terminal of the second sub-detecting unit, the output terminal of the second phase inverter (U40C) is connected to the input end of the second phase inverter (U40C), the output terminal of the first phase inverter (U40B) be connected to first just with the first input end of gate device (U34A), the output terminal of the second phase inverter (U40C) be connected to first just with the second input end of gate device (U34A), first be just connected to the output terminal of gate device (U34A) the 3rd just with the first input end of gate device (U34C), second is just connected to the output terminal of the 3rd sub-detecting unit with the first input end of gate device (U34B), second is just connected to the output terminal of the 4th sub-detecting unit with the second input end of gate device (U34B), second be just connected to the output terminal of gate device (U34B) the 3rd just with the second input end of gate device (U34C), 3rd is just connected to the input end of described state lock-in circuit with the output terminal of gate device (U34C),
Described state lock-in circuit comprises the 3rd phase inverter (U40A), first resistance (R8), second resistance (R9), first electric capacity (C7), second electric capacity (C8), 3rd electric capacity (C9) and positive or gate device (U7), the input end of the 3rd phase inverter (U40A) is connected to the output terminal of described buffer circuit, the output terminal of the 3rd phase inverter (U40A) is connected to one end of the first resistance (R8), the other end of the first resistance (R8) is connected to the first input end (B) of positive or gate device (U7), and by the 3rd electric capacity (C9) ground connection, the GND of positive or gate device (U7) holds ground connection, second input end (A) of positive or gate device (U7) is connected to its output terminal (Y), and successively by resistance second resistance (R9) and the second electric capacity (C8) ground connection, the VCC termination high level of positive or gate device (U7), and by the first electric capacity (C7) ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795630.8U CN204440592U (en) | 2014-12-15 | 2014-12-15 | Anti-theft alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420795630.8U CN204440592U (en) | 2014-12-15 | 2014-12-15 | Anti-theft alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204440592U true CN204440592U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420795630.8U Expired - Fee Related CN204440592U (en) | 2014-12-15 | 2014-12-15 | Anti-theft alarm device |
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| Country | Link |
|---|---|
| CN (1) | CN204440592U (en) |
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2014
- 2014-12-15 CN CN201420795630.8U patent/CN204440592U/en not_active Expired - Fee Related
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Granted publication date: 20150701 Termination date: 20211215 |