CN105866845A - Hand-held electronic device detector - Google Patents
Hand-held electronic device detector Download PDFInfo
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- CN105866845A CN105866845A CN201610182587.1A CN201610182587A CN105866845A CN 105866845 A CN105866845 A CN 105866845A CN 201610182587 A CN201610182587 A CN 201610182587A CN 105866845 A CN105866845 A CN 105866845A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
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Abstract
The invention discloses a hand-held electronic device detector which includes a main body structure, a main machine and a transmitting coil and a receiving coil. The transmitting coil and the receiving coil are connected to the main machine. The main machine also includes a phase feature acquiring module, an alarm database, a determining module and an alarm module. The phase feature acquiring module is connected to the receiving coil for acquiring a phase feature value detected when a to-be-detected object passes a sensing region of the receiving coil. The alarm database stores an electronic device phase feature table which is sued for recording the phase feature value and specification information of the corresponding electronic device. The determining module is used for checking the electronic device phase feature table in the alarm database and determining whether the phase feature value R of the to-be-detected object is in conformity to determining conditions in the electronic device phase feature table, and if the phase feature value R is in conformity to the determining conditions in the electronic device phase feature table, the determining module sends a suspected signal. The alarm module is used for receiving the suspected signal. The electronic device detector shortens time for detection and increases efficiency of detection.
Description
Technical field
The present invention relates to metal detection field, the electronic equipment in particular to a kind of hand-held detects device.
Background technology
Whether electronic equipment detector is widely used in the places such as enterprise, prison, it is therefore an objective to can detect to carry on the person and do not allow the electronic communication products such as the electronic equipment that carries.Conventional metal detector, because all reporting to the police belt fastener with it, metal finishing, has a lot of deficiency in routine use.The technical scheme of current electronic equipment detection device mainly has following several: the first is pseudo-base station scheme, the electronic equipment of holding state can be detected, but the electronic equipment under off-mode can not be detected, because electronic equipment is in the power-offstate, it is impossible to receive the signal that pseudo-base station sends；The second is nonlinear node detecting strategy, the article containing semiconductor element such as electronic equipment can be detected, but there is higher rate of false alarm and rate of failing to report, because the key entrained by personnel can form false semiconductor structure and cause wrong report, and after using metal shell due to increasing intelligent electronic device, owing to signal is shielded by metal shell, its shortcoming failed to report just becomes apparent from；The third is magnetic detection scheme, its shortcoming be equally rate of false alarm and rate of failing to report the highest because with Magnet on a lot of belt fastener, the article such as key ring also have relatively ferromagnetism, easily causing wrong report, it is many that the measure taked for reducing rate of false alarm then can cause electronic equipment to fail to report situation change.
Additionally, detection device needs to facilitate testing staff to carry with, solve testing staff's not measurable problem during patrol, in sum, existing market urgent needs one hand-held electronic equipment detector, can compare and be accurately detected electronic equipment, electronic communication article, and reduce the probability of wrong report.
Summary of the invention
The task of the present invention is to overcome electronic equipment detector cannot detect electronic appliance models always, there is provided the electronic equipment detector of a kind of hand-held: include agent structure, main frame and coupled transmitting coil and receiving coil, it is characterised in that: described main frame also includes phase property acquisition module, alarm database, judge module and alarm module；Phase property acquisition module connects receiving coil, the phase property value detected during for obtaining measured object by the induction region of receiving coil；Having electronic equipment phase property table in alarm database, electronic equipment phase property table is for recording phase property value and the type information of corresponding electronic equipment；Judge module, for searching the electronic equipment phase property table of alarm database, it is judged that whether phase property value R of measured object meets the decision condition in electronic equipment phase property table, if the decision condition met in electronic equipment phase property table, sends doubtful signal；Alarm module, is used for receiving doubtful signal.
Preferably, described decision condition is: the difference of phase property value R of measured object and electronic equipment phase property table acceptance of the bid earnest phase property value T is within the scope of presetting.
Preferably, described decision condition is: measured object phase property based on datum mark value R-Z is in the range of the phase property value that thing demarcates thing based on datum mark demarcated by electronic equipment, and Z is the phase property value that datum mark demarcates thing.
Preferably, described electronic equipment phase property table has datum mark and demarcates the phase property value of thing.
Preferably, described datum mark demarcates thing is metal.
Preferably, thing phase property value scope based on datum mark demarcation thing demarcated by described electronic equipment is to pre-enter in electronic equipment phase property table.
Preferably, described electronic equipment is demarcated thing phase property value scope based on datum mark demarcation thing and is no more than 360 °.
Preferably, described doubtful signal includes that the type information of thing demarcated by electronic equipment.
Preferably, described alarm module is additionally operable to after receiving doubtful signal, reminds staff to check manually.
Preferably, described electronic equipment detector also includes the phase shifter, for adjusting the phase place of receiving coil output signal.
The electronic equipment detector of the hand-held of present invention offer is provided, solving and electronic equipment can be carried out classification detection, whether with doubtful electronic equipment article with detection tested personnel, shorten the review time, carry with, raising detection efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of hand-held electronic equipment detector of the present invention；
Fig. 2 is the first embodiment block diagram of hand-held electronic equipment detector of the present invention；
Fig. 3 is the second embodiment block diagram of hand-held electronic equipment detector of the present invention.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to the scope of embodiment statement.
Electronic equipment detector of the present invention refers to for detecting in measured object or whether keeping the device of electronic equipment object with tested person.
Electronic equipment of the present invention can be mobile communication terminal (such as, intelligent electronic device), intelligence wearable device (such as, intelligent watch), panel computer, game machine, digital multimedia player etc. be mainly fabricated by built with printed circuit board (PCB) by cabinet and shell.
With reference to Fig. 1, Fig. 2, Fig. 1 is the first embodiment block diagram of hand-held electronic equipment detector of the present invention.Fig. 2 is the first embodiment block diagram of hand-held electronic equipment detector of the present invention.Hand-held electronic equipment detector of the present invention includes agent structure 101, main frame 102 and coupled transmitting coil 103 and receiving coil 104, it is characterised in that: described main frame 102 also includes phase property acquisition module 201, alarm database 202, judge module and 203 alarm modules 204；Phase property acquisition module 201 connects receiving coil 104, the phase property value detected during for obtaining measured object by the induction region of receiving coil 104；Having electronic equipment phase property table in alarm database 202, electronic equipment phase property table is for recording phase property value and the type information of corresponding electronic equipment；Judge module 203, for searching the electronic equipment phase property table of alarm database 204, judge whether phase property value R of measured object meets the decision condition in electronic equipment phase property table, if the decision condition met in electronic equipment phase property table, send doubtful signal；Alarm module, is used for receiving doubtful signal.
According to Maxwell's Theory of Electromagnetic Field, launching pumping signal from transmitting coil 103, through aerial propagation, receiving coil 104 has faradic current and induction electromotive force.Particularly, when having electronic equipment or metal can produce eddy current effect near transmitting coil 103 or receiving coil 104, thus faradic current and the induction electromotive force that receiving coil 104 produces is affected.Concrete, receiving coil 104 is connected with phase property acquisition module 201, the output waveform of phase property acquisition module 201 receiving coil 104 by analysis, extracts waveform phase, draws phase property value T.Due to the error of test, phase property value T is averaged through repetitive measurement and is obtained.
Preferably, described decision condition is: the difference of phase property value R of measured object and electronic equipment phase property table acceptance of the bid earnest phase property value T is within the scope of presetting.Concrete, electronic equipment phase property table has electronic equipment and demarcates phase property value T of thing, phase property value R of measured object is contrasted one by one with T.Judge that phase property value R of measured object and each demarcate the difference of thing phase property value T within the scope of presetting, if meeting in default scope, then it is assumed that the model that thing demarcated by the electronic equipment closest to T value is most like with measured object.Measured object is classified as doubtful article.The scope preset can be set at the needs of actually used process according to user, and the size of preset range determines tolerance degree during test measured object.Such as, electronic equipment phase property table has mobile phone iPhone4, and its corresponding phase property-30 °.
It is to be understood that, transmitting coil 103 pumping signal such as 5360Hz based on identical hardware detection and same frequency, phase property value T is relevant to the model of measured object, therefore, it is fixing that specific electronic equipment set demarcates phase property value T of thing, but for different receiving coils 104, due to the difference on its analog feature, by different receiving coils 104, phase property value T of thing demarcated by the electronic equipment of mensuration is different.Electronic equipment phase property table is to determine for this electronic equipment detector.Hereinafter it is discussed in greater detail and how to obtain the electronic equipment phase property table corresponding for this electronic equipment detector.
By such scheme, can first screen doubtful article, further check, improve the efficiency checked.
Preferably, described decision condition is: measured object phase property based on datum mark value R-Z is in the range of the phase property value that thing demarcates thing based on datum mark demarcated by electronic equipment, and wherein Z is the phase property value that datum mark demarcates thing.Such as, measured object phase property based on red copper value is-30 °, it is known that the phase property value that electronic equipment demarcates thing based on red copper is-65 ° to 5 °, then it is assumed that decision condition is met.By such scheme, can first screen doubtful article, further check, improve the efficiency checked.
Preferably, described electronic equipment phase property table has datum mark and demarcates the phase property value of thing.It can be metal that described datum mark demarcates thing.Datum mark demarcates thing should have stable phase property value, and as 0 point, any object is demarcated thing relative to a certain datum mark and had fixing difference.In electronic equipment phase property table, can there be electronic equipment and demarcate the phase property value of thing based on multiple datum marks.Use metal to demarcate thing as datum mark and there is the most unified standard, be beneficial to promote.
Preferably, thing phase property value scope based on datum mark demarcation thing demarcated by described electronic equipment is to pre-enter in electronic equipment phase property table.Concrete, it is to be pre-entered in electronic equipment phase property table that electronic equipment phase property value based on red copper demarcation thing is-65 ° to 5 °, it is preferred that preserves in the form of a file, directly invokes in distinct electronic apparatuses detector.
Preferably, described electronic equipment is demarcated thing phase property value scope based on datum mark demarcation thing and is no more than 360 °.Using angle standard, phase property value scope is not more than 360 °.Using Circular measure standard, phase property value scope is not more than 2 π.
Preferably, described doubtful signal includes that the type information of thing demarcated by electronic equipment.Further, after alarm module 204 is additionally operable to receive doubtful signal, staff is reminded to check manually.The mode reminded is various, shows exception symbol by display screen, can show that thing type information demarcated by the electronic equipment closest to T value simultaneously, be given a warning sound by speaker, pass through light flash.Manual type inspection can use X-ray machine or macroscopy mode.
Provide below and the phase property value of electronic equipment and correspondence is write the scheme in electronic equipment phase property table.
Electronic equipment is demarcated the induction region of the thing receiving coil 104 by electronic equipment detector.Particularly, electronic equipment is demarcated during thing demarcates, it is possible to use the mode of the automatizatioies such as mechanical hand replaces manual operation, electronic equipment demarcates thing by the induction region by the receiving coil 104 of formula detector, can play quickly, effect accurately.The induction region of receiving coil 104 refers to that measured object can affect the region of the induction electromotive force that receiving coil 104 produces, and in hand-held detector 300, electronic equipment is demarcated thing near receiving coil 302 induction region.
According to the needs of practical situation, thing demarcated by electronic equipment can be provided with M, and M is the natural number more than 1.
Phase property value T, electronic equipment are demarcated the electronic equipment phase property table in the type information write alarm database 202 of thing.Such as, described electronic equipment is demarcated thing and is provided with M, then, m electronic equipment is demarcated thing phase property value and is expressed as Tm, and in electronic equipment phase property table, record has phase property value T, electronic equipment to demarcate the type information of thing simultaneously.
In order to make each electronic equipment detector have unified electronic equipment phase property table, can be provided with datum mark and demarcate thing phase property value, it can be metal or the electronic equipment of a certain model that datum mark demarcates thing.Calculate T-Z, i.e. show that electronic equipment is demarcated thing and demarcated phase property value t of thing based on datum mark；Electronic equipment phase property table in described alarm database 202 has phase property value t, the type information of electronic equipment demarcation thing.And to maximum, the minima that electronic equipment can be demarcated the phase property value that thing demarcates thing based on datum mark is set as that electronic equipment is demarcated thing and demarcated the phase property value scope of thing based on datum mark.
Providing below correction distinct electronic apparatuses detector makes it detect phase property value harmonized programme, can be divided into software mode and hardware mode.
In software mode, by the same demarcation thing detection region by the receiving coil 104 of two different electronic equipment detectors, obtain demarcation thing and correspond to phase property value Z and the Y of the first and second electronic equipment detectors, calculate second electronic equipment detector correction value Y-Z corresponding to the first electronic equipment detector.On the one hand, correction value receives the difference of phase property detection between link for revising two electronic equipment detectors, after i.e. by the test result of the second electronic equipment detector being carried out the correction of Y-Z as, the second electronic equipment detector can be regarded the coil with the phase property detection performance identical with the first electronic equipment detector.On the other hand, for the phase property value that will be obtained when demarcating thing by the second electronic equipment detector, can be modified by correction value, draw and demarcate thing by the consistent data of the phase property value that obtained during the first electronic equipment detector, i.e. having unified the phase property value of corresponding distinct electronic apparatuses detector.Unified phase property value is conducive to unification and the migration of electronic equipment phase property table.
In hardware mode, refer to the second embodiment block diagram that Fig. 3, Fig. 3 are hand-held electronic equipment detectors of the present invention.Described electronic equipment detector also includes the phase shifter 205, for adjusting the phase place of receiving coil 104 output signal.Concrete, such as it is provided with the first electronic equipment detector and the second electronic equipment detector.Adjusting the phase shifter 205 of the second electronic equipment detector, the phase property value making electronic equipment detect when demarcating thing by demarcating thing by electronic equipment detector with electronic equipment when of the first electronic equipment detector is identical.Phase shifter 205 connects receiving coil 104 and phase property acquisition module 201, and receiving coil 104 output signal of the second electronic equipment detector is entered horizontal phasing control.By controlling the size of phase shifter 205 phase shift, detection electronic equipment demarcation thing is by phase property value when the second electronic equipment detector simultaneously, makes phase property value demarcate thing with this electronic equipment by identical when of the first electronic equipment detector.Phase shifter 205 suspension control signal controls, and this signal can be sent by main frame, and tester can control the phase shifter 205 further work by adjusting phase shifting parameter on main frame.Additionally, about the mode adjusting phase shifter 205 phase shift size, manual mode can also be passed through, regulate the size of the potentiometer 205 of phase shifter thus control the phase shift size of phase shifter 205, until electronic equipment demarcation thing is identical with the phase property value detected when demarcating thing by the second electronic equipment detector by the first electronic equipment detector.By above-mentioned phase shifter correcting mode, second electronic equipment detector can be regarded as the device with the phase property detection performance identical with the first electronic equipment detector, be conducive to compatibility and the uniformity of phase property table data, it is simple to the analog feature difference of the receiving coil migrating in distinct electronic apparatuses detector or solving multiple electronic equipment detector causes the skimble-scamble problem of phase property value.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Skilled artisan would appreciate that, invention scope involved in the application, it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain in the case of without departing from described inventive concept, other technical scheme being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.Such as features described above and (but not limited to) disclosed herein have the technical characteristic of similar functions and replace mutually and the technical scheme that formed.
Claims (10)
1. a hand-held electronic equipment detector, including agent structure, main frame and coupled transmitting coil and receiving coil, it is characterised in that: described main frame also includes phase property acquisition module, alarm database, judge module and alarm module；Phase property acquisition module connects receiving coil, the phase property value detected during for obtaining measured object by the induction region of receiving coil；Having electronic equipment phase property table in alarm database, electronic equipment phase property table is for recording phase property value and the type information of corresponding electronic equipment；Judge module, for searching the electronic equipment phase property table of alarm database, it is judged that whether phase property value R of measured object meets the decision condition in electronic equipment phase property table, if the decision condition met in electronic equipment phase property table, sends doubtful signal；Alarm module, is used for receiving doubtful signal.
Hand-held electronic equipment detector the most according to claim 1, it is characterised in that: described decision condition is: the difference of phase property value R of measured object and electronic equipment phase property table acceptance of the bid earnest phase property value T is within the scope of presetting.
Hand-held electronic equipment detector the most according to claim 1, it is characterized in that: described decision condition is: measured object phase property based on datum mark value R-Z is in the range of the phase property value that thing demarcates thing based on datum mark demarcated by electronic equipment, and Z is the phase property value that datum mark demarcates thing.
Hand-held electronic equipment detector the most according to claim 3, it is characterised in that: described electronic equipment phase property table has datum mark and demarcates the phase property value of thing.
Hand-held electronic equipment detector the most according to claim 4, it is characterised in that: it is metal that described datum mark demarcates thing.
Hand-held electronic equipment detector the most according to claim 3, it is characterised in that: thing phase property value scope based on datum mark demarcation thing demarcated by described electronic equipment is to pre-enter in electronic equipment phase property table.
Hand-held electronic equipment detector the most according to claim 6, it is characterised in that: described electronic equipment is demarcated thing phase property value scope based on datum mark demarcation thing and is no more than 360 °.
Hand-held electronic equipment detector the most according to claim 7, it is characterised in that: described doubtful signal includes that the type information of thing demarcated by electronic equipment.
9. according to the hand-held electronic equipment detector of claim 1-8 any claim, it is characterised in that: described alarm module is additionally operable to after receiving doubtful signal, reminds staff to check manually.
Hand-held electronic equipment detector the most according to claim 7, it is characterised in that: described electronic equipment detector also includes the phase shifter, for adjusting the phase place of receiving coil output signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610182587.1A CN105866845A (en) | 2016-03-25 | 2016-03-25 | Hand-held electronic device detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610182587.1A CN105866845A (en) | 2016-03-25 | 2016-03-25 | Hand-held electronic device detector |
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| CN105866845A true CN105866845A (en) | 2016-08-17 |
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| CN201610182587.1A Pending CN105866845A (en) | 2016-03-25 | 2016-03-25 | Hand-held electronic device detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123206A (en) * | 2017-06-12 | 2017-09-01 | 银华基金管理股份有限公司 | Financial industry communication apparatus intelligence managing and control system and method |
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