CN209044073U - Hand-held safety check apparatus that is a kind of while detecting metal and gas - Google Patents
Hand-held safety check apparatus that is a kind of while detecting metal and gas Download PDFInfo
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- CN209044073U CN209044073U CN201821895517.1U CN201821895517U CN209044073U CN 209044073 U CN209044073 U CN 209044073U CN 201821895517 U CN201821895517 U CN 201821895517U CN 209044073 U CN209044073 U CN 209044073U
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Abstract
The utility model discloses a kind of hand-held safety check apparatus for detecting metal and gas simultaneously.Disclosed device includes: metal detection module, and metal detection module includes: the coil being arranged in scanner section；The power supply that electromagnetic field excitation in handle portion, connecting with coil and detection part is arranged in, connect with electromagnetic field excitation and detection part, gas detection module, gas detection module includes: the gas collecting access being arranged in scanner section and handle portion；Detector in handle portion, being connected to gas collecting access and air pump component are set, wherein, gas collecting access is tubular structure, the through-hole with air communication is provided on one end of tubular structure and/or side wall, the other end of tubular structure and detector and air pump members are provided with gas vent on detector and air pump component.Disclosed technical solution realizes the simultaneously and rapidly detection to metallics and chemical gas.
Description
Technical field
The utility model relates to technical field of security inspection equipment, more particularly to a kind of hand-held peace for detecting metal and gas simultaneously
Checking device.
Background technique
Current crowded place, such as station, Conference Room, it is main to the safety check of personnel's body only for metallics
Syllabus is to prevent personnel from carrying the dangerous goods such as firearms, explosive, firework product, cutter.And for detected person
Whether member carries hazardous chemical seldom examinations, especially when these chemicals are (for example, alcohol, gasoline, paint
The substances such as solvent or diluent, ether) when carrying out concealing carrying using nonmetallic vessel.
In addition, the prior art is generally also only even if whether carrying hazardous chemical examinations to detected personnel
It is that detected personnel are separately detected using independent detector (for example, VOC detector).Therefore, the prior art
It needs to carry out twice sweep detection to detected personnel.Moreover, because only one probe of VOC detector, does not have surface sample gas
Road (if there is, it is also difficult to independent arrangement), need to do point-by-point detection, the required gas detection used time will be longer than metal detection use
When, detection efficiency is lower.
In order to solve the above-mentioned technical problem, it needs to propose new technical solution.
Utility model content
Hand-held safety check apparatus that is according to the present utility model while detecting metal and gas, including scanner section and handle portion,
Further include:
Metal detection module, metal detection module include:
Coil in scanner section is set；
Electromagnetic field excitation in handle portion, connecting with coil and detection part and electromagnetic field excitation and detection are set
The power supply of component connection,
Gas detection module, gas detection module include:
Gas collecting access in scanner section and handle portion is set；
Detector in handle portion, being connected to gas collecting access and air pump component are set,
Wherein, gas collecting access is tubular structure, is provided on one end of tubular structure and/or side wall and air communication
Through-hole, the other end of tubular structure and detector and air pump members are arranged on detector and air pump component
There is gas vent.
Hand-held safety check apparatus according to the present utility model, is provided on the inner wall of gas collecting access or inner wall uses
The material or coating of absorption and corrosion with anti-chemical gas.
Hand-held safety check apparatus according to the present utility model, further includes:
Alarm module in scanner section or handle portion is set.
Hand-held safety check apparatus according to the present utility model, further includes:
Gas filtration module on gas collecting access in scanner section or handle portion is set.
Hand-held safety check apparatus according to the present utility model, gas filtration module include filter membrane.
Hand-held safety check apparatus according to the present utility model, detector include at least one of lower sensor:
Optic ionized sensor, semiconductor type sensor, metal-oxide sensor, electrochemistry type sensor, chemiluminescence nanometer
Material sensors, carbon material type sensor, saw sensor, air pump include in diaphragm air pump and vane air pump at least
It is a kind of.
Above-mentioned technical proposal according to the present utility model realizes the simultaneously and rapidly inspection to metallics and chemical gas
It surveys.
Detailed description of the invention
It is incorporated into specification and the attached drawing for constituting part of specification shows the embodiments of the present invention, and
And it is used to explain the principles of the present invention together with relevant verbal description.In the drawings, similar appended drawing reference is used
In the similar element of expression.The accompanying drawings in the following description is some embodiments of the utility model, rather than whole embodiments.It is right
For those of ordinary skill in the art, without creative efforts, other can be obtained according to these attached drawings
Attached drawing.
Fig. 1 schematically illustrates hand-held safety check apparatus that is according to the present utility model while detecting metal and gas along perpendicular
Histogram to perspective view.
Fig. 2 schematically illustrates hand-held safety check apparatus that is according to the present utility model while detecting metal and gas along side
The perspective view in face direction.
Fig. 3 is schematically illustrated using according to the present utility model while detecting the hand-held safety check apparatus of metal and gas
The testing result detected.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.It should be noted that in the absence of conflict, embodiment and embodiment in the application
In feature can mutual any combination.
For technical problem described in background technique, the utility model is based on detecting metal detector and chemical gas
Device combines in a hand-held safety check apparatus, detects metal and escaping gas simultaneously to realize through single pass process
Design, propose following technical scheme.
More specifically, it is contemplated that traditional metal detector needs to pass through alternation electricity using the coil with certain area
The detected metal of stream excitation generates alternating current, then collected by coil be detected magnetic field that metal alternating current generates thus
The principle for realizing detection, under the premise of guaranteeing detection sensitivity and detection efficiency (detection zone area), traditional metal inspection
The actual conditions for surveying the more difficult compression of area coil of device propose and chemical gas detector are integrated in traditional hand-held metal inspection
Survey the following technical scheme in the structure of device.
Fig. 1 schematically illustrates hand-held safety check apparatus that is according to the present utility model while detecting metal and gas along perpendicular
Histogram to perspective view.
Fig. 2 schematically illustrates hand-held safety check apparatus that is according to the present utility model while detecting metal and gas along side
The perspective view in face direction.
As shown in Fig. 1 and/or Fig. 2, hand-held safety check apparatus that is according to the present utility model while detecting metal and gas, packet
Scanner section 1 and handle portion 2 are included, which includes:
Metal detection module, metal detection module include:
Coil 3 in scanner section 1 is set；
Electromagnetic field excitation in handle portion 2, connecting with coil 3 and detection part 4 and electromagnetic field excitation and inspection are set
The power supply 5 that component 4 connects is surveyed,
Gas detection module, gas detection module include:
Gas collecting access 6 in scanner section 1 and handle portion 2 is set；
Detector in handle portion 2, being connected to gas collecting access 6 and air pump component 7 are set,
Wherein, gas collecting access 6 is tubular structure, is provided on one end of tubular structure and/or side wall and connects with air
The other end of logical through-hole 8, tubular structure is connected to detector and air pump component 7, on detector and air pump component 7
It is provided with gas vent 10.
For example, hand-held safety check apparatus uses the dimensional structure of traditional handheld metal detector (that is, including scanner section 1
With handle portion 2).Therefore, the metal sensor design method of the prior art can be directly used in metal detection module therein.
That is, using coil 3 as the faradic driving source of metal is made, coil 3 is connected to electromagnetic field excitation and detection part 4.Coil 3
A slab construction is constituted, in the slab construction, opens the aperture (that is, through-hole 8) of several controlled diameters, these apertures to the greatest extent may be used
It can be distributed evenly in the slab construction.
Each aperture is independently airtightly connect with gas collecting pipe (that is, tubular structure in gas collecting access 6), gas
Collection tube can have independent connections to air pump (being not shown in fig. 1 and 2) or first converge to form thicker gas circuit reconnection air pump (such as
Shown in Fig. 1 and Fig. 2, it is connected to detector and air pump component 7).
Gas enters from through-hole 8, by gas collecting access 6, detector and air pump component 7, from gas vent 10
Discharge.
The set-up mode of Fig. 1 and gas collecting access 6 shown in Fig. 2 is only example, the setting of gas collecting access 6
Mode can be adjusted according to the specific structure and shape of scanner section 1 and the external shell of handle portion 2, it is adjusted after structure
As long as can be realized following target:
(1) make the air inflow of each aperture close；
(2) time for making the air-flow of each aperture reach detector is close and as short as possible.
Optionally, be provided on the inner wall of gas collecting access 6 or inner wall use with anti-chemical gas absorption and
The material or coating of corrosion.
Optionally, safety check apparatus is held further include:
Alarm module (being not shown in fig. 1 and 2) in scanner section 1 or handle portion 2 is set.
For example, just generating alarm when it is more than to be several times as much as the detection numerical value of baseline noise that detector, which detects,.Alarm
Form includes the forms such as sound, light, vibration.
Optionally, safety check apparatus is held further include:
Gas filtration module 9 on gas collecting access 6 in scanner section 1 or handle portion 2 is set.
For example, showing the gas filtration module 9 on the gas collecting access 6 being arranged in scanner section 1 in Fig. 1 and Fig. 2.
Optionally, gas filtration module 9 includes filter membrane.
For example, filter membrane can be polytetrafluoroethylene fibre filter membrane, gas is examined for excluding the pollutants such as drop and dust
The interference of device is surveyed, and increases the service life of air pump.
Optionally, detector includes at least one of lower sensor: optic ionized sensor (PID) is partly led
Figure sensor (SC), metal-oxide sensor (MOS), electrochemistry type sensor (EC), chemiluminescence nano material pass
Sensor, carbon material (for example, carbon nanotube, graphene) type sensor, surface acoustic wave (SAW) sensor, air pump includes diaphragm gas
At least one of pump and vane air pump.
That is, detector can be sensor above-mentioned and that other are with equivalent function or can be by above-mentioned
And sensor array composed by other sensors with equivalent function.
For example, the range ability of the sensor is 0.1ppm-50ppm；The flow velocity of above-mentioned diaphragm air pump is 500ml/
Min, adjustable flow velocity.
Fig. 3 is schematically illustrated using according to the present utility model while detecting the hand-held safety check apparatus of metal and gas
The testing result detected.
The result is that this is using above-mentioned while detecting the hand-held safety check apparatus of metal and gas, for keeping 500ml gold with it
Belong to vacuum cup and is filled with the testing result that the detected personnel of 300ml gasoline are detected in it.As shown in Figure 3
Shown in first peak value in curve, metal alarm (note: the curve within 0-15 seconds is produced within the safety check apparatus used time 2 seconds or so
It is the environmental data curve of preparatory booting acquisition).Shown in second peak value in curve as shown in Figure 3, metal is being produced
5 seconds or so time produced chemical gas alarm after alarm.
The vacuum cup containing gasoline concealed is taken out at this time, it is further confirmed, discovery is filled with safety check
The Distance Shortened apart from vacuum cup is set, the signal strength of sensor (that is, gas monitor) constantly increases, and display gas concentration is not
It is disconnected to increase.When safety check apparatus is gradually distance from vacuum cup, signal strength is gradually reduced, and display gas concentration is constantly reduced, finally
Alarm release.
It can be seen that hand-held peace that is according to the present utility model while detecting metal and gas from the testing result in Fig. 3
The simultaneously and rapidly detection to metallics and chemical gas may be implemented in checking device.
Above-mentioned technical proposal according to the present utility model, has the advantage that
1, the incompressible area for taking full advantage of traditional handheld metal detector coil is constituted larger in coil
Efficient porous gas acquisition structure is arranged in area, is realized when metal detector is scanned, detector can
Efficient gas detection is carried out simultaneously with the body surface to the detected personnel in metal detector coverage area.Since traditional holds
The structure space of metal detector is larger, allows that more complicated sampling gas circuit is arranged for chemical gas detector, improves gas
The sensitivity that physical examination is surveyed, reduces the used time of gas detection.To realize pass through single pass process and meanwhile detect metal with
The purpose of escaping gas.
It 2, can be in the biggish effective area (gas relative to a probe on common VOC detector in conjunction with air pump
For contact area) on carry out active inspiration, the escaping gas being detected near personnel's body is acquired, if this carry do not have
There is the organic matter being fully sealed and generates escaping gas or the organic substance be infected with is still in escaping gas, it can be logical
Detector is crossed to detect.The sensitivity of gas detection is further improved, the used time of gas detection is reduced.Further protect
Having demonstrate,proved by single pass process while can detect the purpose of metal and escaping gas.
3, difference is detected by using the detector comprising a variety of different gas sensors or gas sensor array
Gas, other than being able to detect with gas flammable and explosive, disclosed technical solution can also detect have height
Toxicity, irritation, carcinogenicity, corrosivity, maladorous gas.
Descriptions above can combine implementation individually or in various ways, and these variants all exist
Within the protection scope of the utility model.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain groups
Part or all components may be implemented as by processor, such as the software that digital signal processor or microprocessor execute, or by
It is embodied as hardware, or is implemented as integrated circuit, such as specific integrated circuit.Such software can be distributed in computer-readable
On medium, computer-readable medium may include computer storage medium (or non-transitory medium) and communication media (or temporarily
Property medium).As known to a person of ordinary skill in the art, term computer storage medium is included in for storing information (such as
Computer readable instructions, data structure, program module or other data) any method or technique in the volatibility implemented and non-
Volatibility, removable and nonremovable medium.Computer storage medium include but is not limited to RAM, ROM, EEPROM, flash memory or its
His memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic holder, tape, disk storage or other
Magnetic memory apparatus or any other medium that can be used for storing desired information and can be accessed by a computer.This
Outside, known to a person of ordinary skill in the art to be, communication media generally comprises computer readable instructions, data structure, program mould
Other data in the modulated data signal of block or such as carrier wave or other transmission mechanisms etc, and may include any information
Delivery media.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations.
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, the skill of various embodiments of the utility model that it does not separate the essence of the corresponding technical solution
The spirit and scope of art scheme.
Claims (6)
1. a kind of hand-held safety check apparatus for detecting metal and gas simultaneously, including scanner section and handle portion, which is characterized in that packet
It includes:
Metal detection module, the metal detection module include:
Coil in the scanner section is set；
Electromagnetic field excitation in the handle portion, connecting with the coil and detection part are set, swashed with the electromagnetic field
Encourage and detection part connection power supply,
Gas detection module, the gas detection module include:
Gas collecting access in the scanner section and the handle portion is set；
Detector and air pump component in the handle portion, being connected to the gas collecting access are set,
Wherein, the gas collecting access is tubular structure, is provided on one end of the tubular structure and/or side wall and air
The through-hole of connection, the other end of the tubular structure and the detector and air pump members, the detector
And gas vent is provided on air pump component.
2. hand-held safety check apparatus as described in claim 1, which is characterized in that be provided on the inner wall of the gas collecting access
Either inner wall uses the material or coating of absorption and corrosion with anti-chemical gas.
3. hand-held safety check apparatus as described in claim 1, which is characterized in that further include:
Alarm module in the scanner section or the handle portion is set.
4. hand-held safety check apparatus as described in claim 1, which is characterized in that further include:
Gas filtration module on gas collecting access in the scanner section or the handle portion is set.
5. hand-held safety check apparatus as claimed in claim 4, which is characterized in that the gas filtration module includes filter membrane.
6. hand-held safety check apparatus as described in claim 1, which is characterized in that the detector includes in lower sensor
At least one: optic ionized sensor, semiconductor type sensor, metal-oxide sensor, electrochemistry type sensor, change
Fluorescent nano material sensor, carbon material type sensor, saw sensor are learned, the air pump includes diaphragm air pump and vane
At least one of air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821895517.1U CN209044073U (en) | 2018-11-16 | 2018-11-16 | Hand-held safety check apparatus that is a kind of while detecting metal and gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821895517.1U CN209044073U (en) | 2018-11-16 | 2018-11-16 | Hand-held safety check apparatus that is a kind of while detecting metal and gas |
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| Publication Number | Publication Date |
|---|---|
| CN209044073U true CN209044073U (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821895517.1U Active CN209044073U (en) | 2018-11-16 | 2018-11-16 | Hand-held safety check apparatus that is a kind of while detecting metal and gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122618A (en) * | 2019-12-30 | 2020-05-08 | 安徽芯核防务装备技术股份有限公司 | Gas detection device and method for X-ray machine |
| CN115493895A (en) * | 2021-06-17 | 2022-12-20 | 苏州微木智能系统有限公司 | Sampling device for detection system, detection system and sampling method |
-
2018
- 2018-11-16 CN CN201821895517.1U patent/CN209044073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122618A (en) * | 2019-12-30 | 2020-05-08 | 安徽芯核防务装备技术股份有限公司 | Gas detection device and method for X-ray machine |
| CN115493895A (en) * | 2021-06-17 | 2022-12-20 | 苏州微木智能系统有限公司 | Sampling device for detection system, detection system and sampling method |
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