CN201173929Y - Detector for checking human body low site concealed metal - Google Patents

Detector for checking human body low site concealed metal Download PDF

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Publication number
CN201173929Y
CN201173929Y CNU2007201992705U CN200720199270U CN201173929Y CN 201173929 Y CN201173929 Y CN 201173929Y CN U2007201992705 U CNU2007201992705 U CN U2007201992705U CN 200720199270 U CN200720199270 U CN 200720199270U CN 201173929 Y CN201173929 Y CN 201173929Y
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China
Prior art keywords
detector
human body
metal
output terminal
low position
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Expired - Fee Related
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CNU2007201992705U
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Chinese (zh)
Inventor
杨琳
吴德清
何静
陈侠
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CETC 50 Research Institute
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CETC 50 Research Institute
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Priority to CNU2007201992705U priority Critical patent/CN201173929Y/en
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Publication of CN201173929Y publication Critical patent/CN201173929Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a detector for detecting metals hidden in lower parts of a human body. The detector comprises a detector main body, detection sensors arranged on the detector main body and detection circuits in electric connection with the detection sensors. The detector is characterized in that the detector main body comprises a foot pedal area and an ankle area; the detection sensors comprise three ankle detection sensors for the ankle area of the human body and two shoe detection sensors for two shoes of a left shoe and a right shoe, the three ankle detection sensors are arranged in the ankle area respectively, the two shoe detection sensors are arranged in the foot pedal area respectively; each detection sensor is connected with the detection circuit; the detector also comprises a signal selection circuit, a data processing circuit and man-machine interface equipment which are orderly connected; the detector can sense weapons hidden in the lower parts of the human body, and by processing and analyzing sensing signals, the detector can judge whether metals are hidden in shoes and near ankles of a tester, and further judge whether banned goods such as weapons are hidden in the tester; moreover, the detector also has the advantages of simple and convenient detection and reliable analysis.

Description

The low position of human body hides the detector of metal
Technical field
The utility model relates to a kind of safety inspection equipment, particularly relates to the detector that the low position of a kind of human body hides metal.
Background technology
In order to adapt to constantly surging anti-terrorism situation, satisfy the safety requirements of different occasions, people have designed multiple metal detector.Existing metal detector mainly comprises two kinds: a kind of is hand-held detector, and another kind is a stationary detector.Though have advantage easy to carry, as not used the restriction in place for hand-held detector, but, since be to adopt by hand-held this detector of examiner those who are investigated's relevant position is surveyed, both inconvenient, can produce psychological burden to those who are investigated again.And, comprise channel-type and foot-operated for stationary detector, as for metal where wherein channel-type can only detect and whether have metal,, also want hand-held detector auxiliary; And whether have metal for the foot-operated sole site of can only detecting, whether have metal for the ankle position and then can not survey.
Summary of the invention
The utility model is in order to overcome the above-mentioned shortcoming that prior art exists, and the low position of a kind of human body that provides hides the detector of metal, the low position of this human body hides the metal detection problem that metal solves the low position of human body, checks the purpose of hiding prohibited items thereby reach.
The low position of a kind of human body of the utility model hides the detector of metal, the testing circuit that comprises detector body, is arranged on the acquisition sensor on the detector body and is electrically connected with described acquisition sensor; Be characterized in,
Described detector body comprises a foot-operated zone and an ankle zone, described foot-operated zone comprises two step portions that are used for detected person's step, and described ankle zone comprises that being located at this respectively rides regional both sides and be located at two division boards between the step portion;
Described acquisition sensor comprise at three ankle acquisition sensors of human body ankle zone and at about two shoes acquisition sensors of two shoes, described three ankle acquisition sensors are separately positioned on each self-corresponding division board, and described two shoes acquisition sensors are separately positioned in each self-corresponding step portion;
Described each acquisition sensor connects a testing circuit;
Also comprise a signal selecting circuit, a data processing circuit and human interface device;
The output terminal of described each testing circuit is connected with the input end of signal selecting circuit; The output terminal of described signal selecting circuit is connected with the input end of data processing circuit, and the output terminal of this data processing circuit is connected with human interface device, and shows by human interface device.
The low position of above-mentioned human body hides the detector of metal, wherein, described each testing circuit structure is identical, respectively comprises an oscillator, a transmitting coil, a receiving coil, a reference coil, signal amplifier, wave filter, wave converter, detection signal detuner;
Described oscillator is exported an oscillation frequency to transmitting coil; Described receiving coil and the reference coil signal that transmitting coil sends that is coupled respectively, wherein: the output terminal of receiving coil is connected with signal amplifier, and the output terminal of signal amplifier is connected with wave filter; The output terminal of reference coil is connected with wave converter; The output terminal of wave filter and wave converter is connected with the detection signal detuner respectively; The output terminal of detection signal detuner is connected with multidiameter option switch.
The low position of above-mentioned human body hides the detector of metal, and wherein, described signal selecting circuit is made of multidiameter option switch.
The low position of above-mentioned human body hides the detector of metal, and wherein, described data processing circuit is made of digital signal processor.
The low position of above-mentioned human body hides the detector of metal, and wherein, described human interface device comprises graphoscope, and the data of described digital signal processor output show by this graphoscope.
The low position of above-mentioned human body hides the detector of metal, and wherein, described graphoscope is connected with digital signal processor by USB connecting line or the mode by wireless network card.
The low position of above-mentioned human body hides the detector of metal, and wherein, described human interface device comprises loudspeaker and LED light, and described phonation circuit is connected with the output terminal of digital signal processor respectively with the LED light circuit.
The low position of above-mentioned human body hides the detector of metal, wherein, also comprises A/D converter, is arranged on the input end of data processing circuit.
The low position of above-mentioned human body hides the detector of metal, wherein, also comprises A/D converter and D/A converter, is separately positioned on the input end and the output terminal of digital signal processor.
The low position of above-mentioned human body hides the detector of metal, and wherein, described digital signal processor comprises A/D converter and D/A converter.
The utility model is owing to adopted above technical scheme, employing is at ankle position and sole site sensor installation, these five sensors are surveyed the zone at the low position of human body respectively, and to the analysis-by-synthesis of result of detection, can judge and hide having or not and locating of weapon, thereby eliminate the detection blind spot of channel-type metal detector (safety detection door), form complementation, make the more tight science of safety precaution.
Description of drawings
Concrete outcome of the present utility model is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is a transducer arrangements synoptic diagram of the present utility model.
Fig. 2 is a signal processing flow synoptic diagram of the present utility model.
Fig. 3 is an one-piece construction synoptic diagram of the present utility model.
Embodiment
See also Fig. 1.The low position of a kind of human body of the utility model hides the detector of metal, comprise detector body 1, described detector body 1 comprises 11 and one ankle zone 12, a foot-operated zone, described foot-operated zone comprises two the step portions 111,112 that are used for detected person's step, and described ankle zone 12 comprises that being located at this respectively rides regional both sides and be located at two division boards 121,122,123 between the step portion; Also comprise acquisition sensor that is arranged on the detector body and the testing circuit that is electrically connected with described acquisition sensor.Described acquisition sensor comprise at three ankle acquisition sensors 21,22,23 of human body ankle zone and at about two shoes acquisition sensors 24,25 of two shoes, described three ankle acquisition sensors are separately positioned on each self-corresponding division board, and described two shoes acquisition sensors are separately positioned in each self-corresponding step portion.Each sensing is responded to different zones.The fusion of the data of different sensors can reduce the sensitivity to the position, remedies the deficiency of single-sensor preferably.For example: ankle acquisition sensor 21 and ankle acquisition sensor 22 cooperatively interact, can eliminate measured target because the measuring error that left foot left and right sides position deviation is brought, ankle acquisition sensor 23 and ankle acquisition sensor 22 cooperatively interact, can eliminate measured target because the measuring error that right crus of diaphragm left and right sides position deviation is brought, can be as for the error that the front-back direction deviation is brought by spacing by photoelectricity or mechanical means, because of being mature technology, so do not give unnecessary details.
The corresponding separately testing circuit 31,32,33,34,35 that connects of described each acquisition sensor 21,22,23,24,25; Also comprise a signal selecting circuit 4, a data processing circuit 5 and human interface device 6; The output terminal of described each testing circuit is connected with the input end of signal selecting circuit; The output terminal of described signal selecting circuit is connected with the input end of data processing circuit, and the output terminal of this data processing circuit is connected with human interface device, and shows by human interface device.
See also Fig. 2.Described each testing circuit structure is identical, and existing is the example explanation with testing circuit 31: comprise an oscillator 311, a transmitting coil 312, a receiving coil 313, a reference coil 314, signal amplifier 315, wave filter 316, wave converter 317, detection signal detuner 318;
Described oscillator is exported an oscillation frequency to transmitting coil; Described receiving coil and the reference coil signal that transmitting coil sends that is coupled respectively, wherein: the output terminal of receiving coil is connected with signal amplifier, and the output terminal of signal amplifier is connected with wave filter; The output terminal of reference coil is connected with wave converter; The output terminal of wave filter and wave converter is connected with the detection signal detuner respectively; The output terminal of detection signal detuner is connected with signal selecting circuit, the output terminal of this signal selecting circuit and data processing circuit, and The results of data processing shows by human interface device.In the present embodiment, described signal selecting circuit is made of multidiameter option switch.Described data processing circuit is made of digital signal processor.
The low position of the utility model human body hides in the detector of metal, also comprises A/D converter 51 and D/A converter 52, is separately positioned on the input end and the output terminal of digital signal processor.Can certainly be to carry A/D converter and carry D/A converter at input end at output terminal by described digital signal processor.
See also Fig. 3.Human interface device 6 described in the utility model has comprised the indication of detected state and the indication of testing result, they can be by loudspeaker 61 and LED light 62 indications, and described phonation circuit is connected with the output terminal of digital signal processor respectively with the LED light circuit.
Described human interface device also can comprise graphoscope 63, is connected with digital signal processor by USB connecting line or the mode by wireless network card.The data of described digital signal processor output are shown by this graphoscope.
The utility model can also comprise wirelessly to be operated, and the infrared remote receiver 81 that is connected with circuit for example is set on detector body, carries out straighforward operation by the hand-held Infrared remote controller 82 of operating personnel.
For Long-distance Control, testing result can also use wireless technology (as Zigbee etc.) to pass to main Control Room by DSP CONTROL peripherals, and realizes the networking of multiple devices.
Principle of work of the present utility model is: when the detected person stands on the detector, if the detected person (comprises in the shoes) under foot and/or at detected person's ankle part bit strip metal is arranged, because the principle of metal pair magnetic field induction, responded to by shoes acquisition sensor and ankle acquisition sensor with the metal at ankle place in detected person's footwear, exporting induced signal respectively amplifies to each self-corresponding testing circuit, filtering and demodulation, select signal to enter the analyzing and processing that data processing circuit carries out data chronologically by signal selecting circuit then, again the result is comprised loudspeaker by human interface device, the LED display lamp, or demonstration such as computer display, inform the testing staff.
Testing result of the present utility model can overcome the deviation that bring the position, and can eliminate the influence of this instrument of surrounding environment metal pair.

Claims (10)

1, the low position of a kind of human body hides the detector of metal, the testing circuit that comprises detector body, is arranged on the acquisition sensor on the detector body and is electrically connected with described acquisition sensor; It is characterized in that,
Described detector body comprises a foot-operated zone and an ankle zone, described foot-operated zone comprises two step portions that are used for detected person's step, and described ankle zone comprises that being located at this respectively rides regional both sides and be located at two division boards between the step portion;
Described acquisition sensor comprise at three ankle acquisition sensors of human body ankle zone and at about two shoes acquisition sensors of two shoes, described three ankle acquisition sensors are separately positioned on each self-corresponding division board, and described two shoes acquisition sensors are separately positioned in each self-corresponding step portion;
Described each acquisition sensor connects a testing circuit;
Also comprise a signal selecting circuit, a data processing circuit and human interface device;
The output terminal of described each testing circuit is connected with the input end of signal selecting circuit; The output terminal of described signal selecting circuit is connected with the input end of data processing circuit, and the output terminal of this data processing circuit is connected with human interface device, and shows by human interface device.
2, the low position of human body according to claim 1 hides the detector of metal, it is characterized in that, described each testing circuit structure is identical, respectively comprises an oscillator, a transmitting coil, a receiving coil, a reference coil, signal amplifier, wave filter, wave converter, detection signal detuner;
Described oscillator is exported an oscillation frequency to transmitting coil; Described receiving coil and the reference coil signal that transmitting coil sends that is coupled respectively, wherein: the output terminal of receiving coil is connected with signal amplifier, and the output terminal of signal amplifier is connected with wave filter; The output terminal of reference coil is connected with wave converter; The output terminal of wave filter and wave converter is connected with the detection signal detuner respectively; The output terminal of detection signal detuner is connected with multidiameter option switch.
3, the low position of human body according to claim 1 hides the detector of metal, it is characterized in that described signal selecting circuit is made of multidiameter option switch.
4, the low position of human body according to claim 1 hides the detector of metal, it is characterized in that described data processing circuit is made of digital signal processor.
5, the low position of human body according to claim 1 hides the detector of metal, it is characterized in that described human interface device comprises graphoscope, and the data of described digital signal processor output show by this graphoscope.
6. the low position of human body according to claim 5 hides the detector of metal, it is characterized in that, described graphoscope is connected with digital signal processor by USB connecting line or the mode by radio communication.
7, the low position of human body according to claim 1 hides the detector of metal, it is characterized in that, described human interface device comprises loudspeaker and LED light, and described horn circuit is connected with the output terminal of digital signal processor respectively with the LED light circuit.
8, according to the detector of the hiding metal of claim 1 or the low position of 4 described human body, it is characterized in that, also comprise A/D converter, be arranged on the input end of data processing circuit.
9, according to the detector of the hiding metal of claim 1 or the low position of 4 described human body, it is characterized in that, also comprise A/D converter and D/A converter, be separately positioned on the input end and the output terminal of digital signal processor.
10,, hide the detector of metal, it is characterized in that described digital signal processor comprises A/D converter, perhaps also comprise D/A converter according to the low position of claim 1 or 4 described human body.
CNU2007201992705U 2007-12-14 2007-12-14 Detector for checking human body low site concealed metal Expired - Fee Related CN201173929Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201992705U CN201173929Y (en) 2007-12-14 2007-12-14 Detector for checking human body low site concealed metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201992705U CN201173929Y (en) 2007-12-14 2007-12-14 Detector for checking human body low site concealed metal

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105632743A (en) * 2016-03-25 2016-06-01 东莞市华盾电子科技有限公司 Coil structure for through-type detector and detector formed from coil structure
CN105700024A (en) * 2016-03-25 2016-06-22 东莞市华盾电子科技有限公司 Passing-through type detector
CN105891894A (en) * 2016-03-28 2016-08-24 大同市快安科技有限公司 Hand-held metal detector having data transmission function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105632743A (en) * 2016-03-25 2016-06-01 东莞市华盾电子科技有限公司 Coil structure for through-type detector and detector formed from coil structure
CN105700024A (en) * 2016-03-25 2016-06-22 东莞市华盾电子科技有限公司 Passing-through type detector
CN105891894A (en) * 2016-03-28 2016-08-24 大同市快安科技有限公司 Hand-held metal detector having data transmission function

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081231

Termination date: 20121214