CN2879189Y

CN2879189Y - Safety gate detecting off-limits person and contraband object

Info

Publication number: CN2879189Y
Application number: CN 200520128068
Authority: CN
Inventors: 秦和平
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-13
Filing date: 2005-10-13
Publication date: 2007-03-14
Anticipated expiration: 2015-10-13

Abstract

The utility model discloses a safety door for automatic detection of unauthorized entry and contraband goods, containing a door frame main body, which is positioned with an optical control unit with ITMS gas hole for detection of dynamite and drugs, an electromagnetic radiation unit for detection of metal mechanisms, and a digital image processing unit for detection of personal characteristics. The optical control unit is installed in the vertical column of the door frame of the main body. The electromagnetic radiation unit is installed in one of vertical column of the door frame of the main body. The image processing unit is installed in the cross beam of the door frame main body. The safety door is for automatic detection of unauthorized entry of personnel and contraband goods at the same time.

Description

Automatically detect the safety door that does not enter personnel and contraband goods

Technical field

The utility model relates to a kind of safety door, and especially a kind of automatic detection does not enter the safety door of personnel and contraband goods.

Background technology

In the Chinese patent literature that discloses, announces, disclosed the bulletin file of relevant safety door respectively, angle from classification, the specific aim of its technical scheme is more outstanding, be at drugs, explosive class and safety door that utilize gamma ray radiator to detect, be the safety door that utilizes classes such as x-ray technology, infrared technology detection metal, its example of technology that utilizes gate control system that personnel are screened also is more common in the field of safety door.The relatively development of prior art, above-mentioned its technical contribution of safety door maturation very that can reflect simple function for example.The particularly appearance of ITMS technology: ITMS (ion trap drift mass spectrum), i.e. ion trap technology.Ion trap is exactly a kind of instrument that can trapped ion.It is by selecting suitable magnetic field and electric field to realize, charged particle is by magnetic field and quadripolar electric field imprison in ion trap.If the ITMS detector placed surveys the place, marquis when explosive detection/drugs, in a single day explosive/drugs pass through, because the ion trap of detector drift mass spectrum ability can make that elegant explosive/drugs particle is captured in the air.Use the modern product of this type of technology, relatively be typically VaporTracerer two generations explosive/drugs detector that U.S. GE Ion Track produces.But, from the complex art point of view of application, be one if will detect the function set of explosive, drugs, detection metallic weapon and testing staff's feature, no matter from being suitable for angle, still from economic angle, the safety door with this structure produces new technique effect can for undoubtedly the technical field of safety door.

Summary of the invention

Technical problem to be solved in the utility model provides the safety door that a kind of automatic detection does not enter personnel and contraband goods.The function that this safety door collection detects explosive, drugs, detection metallic weapon and testing staff's feature is an one, has realized polytechnic utilization on door body structure.For this reason, the technical scheme that the utility model addresses this problem is: a kind of safety door of automatic detection contraband goods, has the doorframe main body, wherein, on described doorframe main body, be respectively equipped with the detection explosive, the optical control element that has the ITMS pore of drugs, detect the electromagnetic radiation unit of metallic weapon, the Digital Image Processing unit of testing staff's feature, and, described detection explosive, the optical control element that has the ITMS pore of drugs is located on the doorframe column of described doorframe main body, described electromagnetic radiation unit is located on wherein doorframe column of described doorframe main body, and described Digital Image Processing unit is located on the crossbeam of described doorframe main body.And the optical control element that has the ITMS pore of described detection explosive, drugs, constitute by door body ITMS detector, the light-operated gas circuit of door body, door body pore, and the light-operated gas circuit of described door body, door body pore are separately positioned on the column of doorframe main body, described door body ITMS detector is connected with the light-operated gas circuit of described door body, is provided with and the tracheae that communicates with each other and be connected between the light-operated gas circuit of described door body and described body pore; The electromagnetic radiation unit of described detection metallic weapon, constitute by the oscillatory circuit that has transmitting coil, the detection circuit that has receiving coil, computing machine display circuit, stabilized voltage supply, wherein, an end of described oscillatory circuit is connected with described detection circuit; The Digital Image Processing unit of described testing staff's feature, constitute by gamma camera, feature compositor, sync separator, storer, forbidden zone generator, difference detector, control circuit, TV monitor, wherein, with respect to described gamma camera, described feature compositor, sync separator, TV monitor are connected in parallel.

Compared to existing technology, the safety door that the utility model relates to, its substantive distinguishing features and technical progress can draw from following analysis significantly: have the light-operated gas circuit that has the ITMS pore that detects explosive, drugs, made full use of the ion trap technology, ion trap is a kind of instrument that can trapped ion, with suitable magnetic field and electric field the charged ion that enters the ion aggregation chamber is carried out drift time and measures, behind the standard of comparison sample, can realize to explosive, drugs detection; Detecting the electromagnetic radiation coil of metallic weapon, is the principle of work of utilizing alternating magnetic field, realizes surveying to entering in advance to the caused alternating magnetic field of metal object of alternating magnetic field stably changes; The Digital Image Processor of testing staff's feature is to have utilized shooting, TV monitor technology, the facial characteristics that enters the gated area personnel is observed, to screen the identity of its permission.

Description of drawings

Fig. 1 is the one-piece construction synoptic diagram of the safety door that relates to of the utility model;

Fig. 2 is about detecting the optical control element structural representation that has the ITMS pore of explosive, drugs among Fig. 1;

Fig. 3 is about detecting the schematic block diagram of the electromagnetic radiation cellular construction of metallic weapon among Fig. 1;

Fig. 4 is the schematic block diagram about the Digital Image Processing cellular construction of testing staff's feature among Fig. 1.

Among the figure: 1-detects explosive, the optical control element that has the ITMS pore of drugs, 101-door body ITMS detector, the light-operated gas circuit of 102-door body, 103-door body pore, the 104-tracheae, 2-detects the electromagnetic radiation unit of metallic weapon, 201-has transmitting coil L1 oscillatory circuit, 202-has the detection circuit of receiving coil L2,203-computing machine display circuit, 204-stabilized voltage supply, the Digital Image Processing unit of 3-testing staff feature, the 301-gamma camera, 302-feature compositor, 303-sync separator, the 304-storer, 305-forbidden zone generator, 306-difference detector, 307-control circuit, the 308-TV monitor, 4-doorframe main body, 401-doorframe column, 402-doorframe main body crossbeam.

Embodiment

In conjunction with above accompanying drawing, the utility model relates to the safety door that a kind of automatic detection does not enter personnel and contraband goods, has the doorframe main body, it is characterized in that, on described doorframe main body 4, be respectively equipped with the detection explosive, the optical control element that has the ITMS pore 1 of drugs, detect the electromagnetic radiation unit 2 of metallic weapon, the Digital Image Processing unit 3 of testing staff's feature, wherein, described detection explosive, the optical control element that has the ITMS pore 1 of drugs is located on the doorframe column 401 of described doorframe main body, described electromagnetic radiation unit 2 is located on wherein doorframe column 401 of described doorframe main body, and described Digital Image Processing unit 3 is located on the crossbeam 402 of described doorframe main body 4.And, the optical control element that has the ITMS pore 1 of described detection explosive, drugs, constitute by door body ITMS detector 101, the light-operated gas circuit 102 of door body, door body pore 103, and the light-operated gas circuit 102 of described door body, door body pore 103 are separately positioned on the column 401 of doorframe main body 4, described door body ITMS detector 101 is commercially available prod and is selected from VaporTracerer two generations explosive/drugs detector, maybe should satisfy following technical indicator: sensitivity: and 30 pico-grams (1 microgram=1*10); Analysis time: under the condition of real-time analysis, every kind of sample was less than for 5 seconds; Preheating time: from the cold start-up to the duty 20 minutes; Sample collection mode: air-breathing or sampling filter paper wiping; Type of alarm: liquid crystal display bar post collection of illustrative plates or curve spectrum, audible alarm; Power supply: 220 volts of civil powers, automobile cigarette lighter, or special-purpose rechargeable battery.In an embodiment it is connected with the light-operated gas circuit 102 of described door body, and be provided with between the light-operated gas circuit 102 of described door body and described the body pore 103 one with the tracheae 104 that communicates with each other and be connected.And, the electromagnetic radiation unit 2 of described detection metallic weapon is a kind of integrated products of prior art, it is made of the oscillatory circuit 201 that has transmitting coil, the detection circuit 202 that has receiving coil, computing machine display circuit 203, stabilized voltage supply 204, wherein, an end of described oscillatory circuit 201 is connected with described detection circuit 202; And the Digital Image Processing unit 3 of described testing staff's feature also is the integrated products of prior art, it is made of gamma camera 301, feature compositor 302, sync separator 303, storer 304, forbidden zone generator 305, difference detector 306, control circuit 307, TV monitor 308, wherein, with respect to described gamma camera 301, described feature compositor 302, sync separator 303, TV monitor 308 are connected in parallel.

In in this enforcement, Fig. 1 is the unitary construction synoptic diagram of safety door, on its body, be provided with the optical control element that has the ITMS pore 1 that detects explosive, drugs respectively, detect the electromagnetic radiation unit 2 of metallic weapon, the Digital Image Processing unit 3 of testing staff's feature.Referring to Fig. 2, this figure clearly shows the basic structure of the optical control element that has the ITMS pore 1 that detects explosive, drugs.Referring to Fig. 3, play the electromagnetic radiation unit 2 of metal detector effect, its circuit structure comprises the oscillatory circuit 201 that has transmitting coil L1, the detection circuit 202 that has receiving coil L2, computing machine display circuit 203 and stabilized voltage supply 204, in the practice, described oscillatory circuit 201 can be provided with a connection terminal (not drawing among the figure) that is connected with described detection circuit 202, described detection circuit 202 can be provided with a connection terminal (not drawing among the figure) that is connected with described computing machine display circuit 203, and 204 of described stabilized voltage supplys are responsible for providing electric power to guarantee to whole electromagnetic radiation coil circuit.Referring to Fig. 4, described Digital Image Processor is to be used for the specialized equipment of testing staff's feature, wherein, the picture intelligence that is photographed by video camera 301 divides three the tunnel to deliver to feature compositor 302, sync separator 303, TV monitor 308 respectively, and, by synthetic 302 devices of feature the image video signal that generator 305 gatings in forbidden zone come out is quantized, encodes, form characteristic pulse row; Isolate row, field system chronizing impulse in the composite video signal by sync separator 303, as the timing signal of video motion detector; Produce gating signal by forbidden zone generator 305, the vision signal gating in the forbidden zone is come out to handle; By storer 304 the characteristic pulse row are stored, so that compare with the characteristic pulse row that newly arrive later on; Detect the feature that is used for having stored and new by difference detector 306 to the difference the feature.Though above embodiment has illustrated total goal of the invention of this creation, be not limited to the category of the foregoing description, every explosive/drugs, metal, personnel are detected to the entrance guard device of one or system is still protection domain of the present utility model.

Claims

1. one kind is detected the safety door that does not enter personnel and contraband goods automatically, has the doorframe main body, it is characterized in that, on described doorframe main body, be respectively equipped with the detection explosive, the optical control element that has the ITMS pore of drugs, detect the electromagnetic radiation unit of metallic weapon, the Digital Image Processing unit of testing staff's feature, wherein, described detection explosive, the optical control element that has the ITMS pore of drugs is located on the doorframe column of described doorframe main body, described electromagnetic radiation unit is located on wherein doorframe column of described doorframe main body, and described Digital Image Processing unit is located on the crossbeam of described doorframe main body.

2. automatic detection according to claim 1 does not enter the safety door of personnel and contraband goods, it is characterized in that, the optical control element that has the ITMS pore of described detection explosive, drugs, constitute by door body ITMS detector, the light-operated gas circuit of door body, door body pore, and the light-operated gas circuit of described door body, door body pore are separately positioned on the column of doorframe main body, described door body ITMS detector is connected with the light-operated gas circuit of described door body, is provided with and the tracheae that communicates with each other and be connected between the light-operated gas circuit of described door body and described body pore.

3. automatic detection according to claim 1 does not enter the safety door of personnel and contraband goods, it is characterized in that, the electromagnetic radiation unit of described detection metallic weapon, constitute by the oscillatory circuit that has transmitting coil, the detection circuit that has receiving coil, computing machine display circuit, stabilized voltage supply, wherein, an end of described oscillatory circuit is connected with described detection circuit.

4. a kind of automatic detection according to claim 1 does not enter the safety door of personnel and contraband goods, it is characterized in that, the Digital Image Processing unit of described testing staff's feature, constitute by gamma camera, feature compositor, sync separator, storer, forbidden zone generator, difference detector, control circuit, TV monitor, wherein, with respect to described gamma camera, described feature compositor, sync separator, TV monitor are connected in parallel.