CN211206260U - Integrated modular peroxide detection device - Google Patents
Integrated modular peroxide detection device Download PDFInfo
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- CN211206260U CN211206260U CN201922118266.7U CN201922118266U CN211206260U CN 211206260 U CN211206260 U CN 211206260U CN 201922118266 U CN201922118266 U CN 201922118266U CN 211206260 U CN211206260 U CN 211206260U
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Abstract
The utility model discloses a can integrate modularization peroxide detection device. The utility model integrates each subunit into a whole in a modularized way to complete the detection of peroxide; when no detected substance exists, the detection device is in a standby state; when being close to detection device by the material, detection device starts completely to detect by the material, carry out analysis processes through the change to detecting wafer reaction front and back light signal, judge whether it contains the peroxide, and give corresponding warning signal, the utility model discloses but the exclusive use also can be integrated with security installations such as security check door or security check machine on, realize real-time, quick, accurate detection to the peroxide, provide new way for realizing novel peroxide detection.
Description
Technical Field
The utility model relates to a dangerous explosive detects the field, concretely relates to modularization peroxide detection device can integrate.
Background
Since the 21 st century, along with the activation and upgrading of various contradictions, terrorism activity is rampant increasingly, which seriously affects the peace and development process in the world today and brings significant influence on the safety situation of China. Because of the huge personal injury and property loss caused by explosive attack, strong harmfulness and great social negative influence, the method is one of the main means of the current terrorist attack, technical equipment for quickly and accurately detecting suspected explosives is increasingly paid attention by anti-terrorist departments of various countries, and many countries in the world begin to pay attention to the research of explosive detection technology.
Due to the fact that detection means of traditional explosives are mature day by day and the control of typical standard explosives is strict, new trends of explosives used in terrorist attacks appear in recent years. The novel explosive represented by peroxide explosives is lack of nitryl, non-fluorescence, low ionization and extremely weak ultraviolet visible absorption, so that the novel explosive cannot be effectively detected by the traditional detection means, contains peroxide bonds, has huge explosive power and is easy to self-make, and becomes the most commonly used explosive by terrorists at present. Among them, triacetone triperoxide (TATP) has a miscarriage name of "the mother of a seed", and has been used for recent years in many cases for terrorist attacks. Statistical data show that terrorism threat caused by TATP is far greater than that caused by traditional explosives such as TNT and RDX in Europe, America and the middle east.
In order to cope with the change, part of the products with advanced technology begin to cover novel explosives such as TATP, but still have great limitations. For example, products of Smith IONSCAN series can detect EGDN, TATP, TNT and the like; the analysis time is generally 8-12 seconds; the method is suitable for trace detection and has wide application range; however, products in the market are generally rough, the operability of equipment is extremely poor, the equipment is heavy, the maintenance cost and the maintenance time are high, non-contact detection cannot be achieved, the price is high, and the products are eliminated at present. The kit of the IDenta Corp explosive test card in Israel can be used for detecting conventional explosives comprising TNT/PETN, hexogen/nitrate, TATP and the like, can quickly display a detection result within a few seconds, has high response speed, does not report errors, and can perform poison and explosion dual-mode analysis; the method has the disadvantages that non-contact detection cannot be realized, and the unknown object needs to be checked for many times.
At present, in the field of modularized explosive detection equipment capable of covering peroxide explosive detection, traditional explosive detection products and imported products in China do not have technology-independent products, and some imported products have certain capacity, but have higher price and obvious defects.
In summary, aiming at the practical requirements that terrorists adopt a great amount of peroxide explosives to carry out terrorist attack and relevant detection means are deficient, the detection technology of the peroxide explosives is solved, the development of a modular peroxide explosive detector is completed, convenient detection means are provided for the fields of customs, traffic, logistics and the like, the blockade of the technology in the United states is broken, and the method plays an extremely important role in improving the anti-terrorist stability maintaining technology guarantee capability of China, maintaining social stability and national defense safety.
Disclosure of Invention
For can carry out quick, accurate detection to the peroxide explosive, the utility model provides a can integrate modularization peroxide detection device.
The utility model discloses a but integrated modularization peroxide detection device detects to volatile peroxide.
The utility model discloses a but integrated modularization peroxide detection device includes: the device comprises a proximity monitoring unit, an excitation light source, a detection wafer, a light receiving device, an alarm unit, an air inlet pipeline, an air outlet, an air pump, a cleaning fan, a controller, a master control power supply and a shell; the proximity monitoring unit, the excitation light source, the light receiving device, the alarm unit, the air pump, the cleaning fan and the controller are respectively connected to the master control power supply; the approach monitoring unit, the excitation light source, the light receiving device, the alarm unit, the air pump and the cleaning fan are respectively connected to the controller; the excitation light source, the detection wafer, the light receiving device, the air inlet pipeline, the air outlet, the air pump, the cleaning fan and the controller are all arranged in the shell; the proximity monitoring unit is mounted on the front surface of the shell; an air inlet opening is formed in the front surface of the shell, the air inlet is installed on the air inlet opening, and the air inlet is connected to the air pump; one end of the air inlet pipeline is connected with the air pump, and the other end of the air inlet pipeline is connected with the air outlet; installing a detection wafer outside the air outlet; an excitation light source and a light receiving device are respectively arranged above the detection wafer; the rear surface of the shell opposite to the air inlet opening is provided with a fan opening, a cleaning fan is arranged on the fan opening, and the air outlet and the cleaning fan are respectively positioned at two sides of the detection wafer.
Before detection, a cleaning fan cleans the inside of the shell, a light source generating device emits exciting light to irradiate on a detection wafer to generate an optical signal of the detection wafer, and the optical signal of the detection wafer is received by a light receiving device, converted into an electric signal and transmitted to a controller to serve as a reference signal; when the detected substance is close to the approach monitoring unit, the approach monitoring unit transmits a signal to the controller, the controller controls the excitation light source, the air pump and the light receiving device to be started, and the detected substance is sucked into the air inlet along with the air flow and is conveyed onto the detection wafer through the air inlet pipeline and the air outlet; the light source generating device emits excitation light, the excitation light irradiates on the detection wafer, the detected substance reacts with the detection wafer, fluorescence carrying the information of the detected substance is generated after the excitation light irradiates, the fluorescence is received by the light receiving device and converted into an electric signal, and the electric signal is transmitted to the controller to obtain the signal carrying the information of the detected substance; the controller compares the signal carrying the detected substance information with the reference signal, judges whether the detected substance contains peroxide or not, and transmits the peroxide to the alarm unit for displaying; the device can be used independently by integrating a modular peroxide detection device or integrally installed on a security check device.
The proximity monitoring unit adopts an infrared proximity sensor.
The excitation light source comprises a cooling fan, a light source and an incident light path, wherein the cooling fan and the light source are both connected to the controller, when a detected substance is close to the approach monitoring unit, the controller controls the cooling fan and the light source to rapidly respond in a short time and work simultaneously, the light source irradiates on the detection wafer through the incident light path, the incident light path is of a metal structure, and the cooling fan dissipates heat of the light source and the incident light path.
The light receiving device collects light reflected by the detection wafer, comprises a photoelectric sensor, a filter circuit and an operational amplifier circuit which are sequentially connected, converts collected optical signals into electric signals, further filters and amplifies the electric signals, and then transmits the electric signals to the controller.
The detection wafer is prepared by dripping C6NIB solution on an aluminum foil silicon rubber plate, and is a material capable of generating fluorescent response only after reacting on peroxide. The incident surface of the test wafer is a non-smooth flat surface with diffuse reflection.
The alarm unit comprises an alarm indicator light and a buzzer; the alarm indicator lamp comprises two lamps with different colors, and if the detected substance is judged to contain peroxide, the alarm indicator lamp lights one color and the buzzer alarms; if the detected substance is judged to contain no peroxide, the alarm indicator lamp lights another color.
The master control power supply is a multi-path isolation power supply, is connected to an external 220V alternating current power supply, converts the externally provided 220V alternating current into direct currents with various different voltages, provides working voltage, and is controlled by the controller; the controller controls the operation of each unit circuit.
The air inlet and the air outlet are both horn-shaped.
The air pump is used for starting up during detection and sucking the detected substance onto a detection wafer in the detection device; the cleaning fan is used for cleaning the device and exhausting residual gas in the detection device out of the device.
Furthermore, the utility model also comprises a display unit which is arranged on the surface of the shell; the display unit is a liquid crystal display screen, is connected to the master control power supply to provide working voltage, is connected with the controller, synchronously displays the change of signals on the display unit, and displays alarm information on the display unit when the alarm unit gives an alarm.
The utility model has the advantages that:
the utility model integrates each subunit into a whole in a modularized way to complete the detection of peroxide; when no detected substance exists, the detection device is in a standby state; when being close to detection device by the material, detection device starts completely to detect by the material, carry out analysis processes through the change to detecting wafer reaction front and back light signal, judge whether it contains the peroxide, and give corresponding warning signal, the utility model discloses but the exclusive use also can be integrated with security installations such as security check door or security check machine on, realize real-time, quick, accurate detection to the peroxide, provide new way for realizing novel peroxide detection.
Drawings
Fig. 1 is a schematic diagram of an integratable modular peroxide detection device of the present invention;
fig. 2 is a block diagram of the structure of the integratable modular peroxide detection device of the present invention.
Detailed Description
The invention will be further elucidated by means of specific embodiments in the following with reference to the drawings.
As shown in fig. 1, the integratable modular peroxide detection device of the present embodiment comprises: the device comprises a proximity monitoring unit 1, an excitation light source 6, a detection wafer 8, a light receiving device 7, an alarm unit, an air inlet 2, an air inlet pipeline 4, an air outlet 5, an air pump 3, a cleaning fan 9, a display unit, a controller, a master control power supply and a shell; wherein, the approach monitoring unit 1, the excitation light source 6, the light receiving device 7, the alarm unit, the air pump 3, the cleaning fan and the controller are respectively connected to a master control power supply; the approach monitoring unit 1, the excitation light source 6, the light receiving device 7, the display unit, the alarm unit, the air pump 3 and the cleaning fan are respectively connected to the controller; an excitation light source 6, a detection wafer 8, a light receiving device 7, an air inlet 2, an air inlet pipeline 4, an air outlet 5, an air pump 3, a cleaning fan and a controller are all arranged in the shell; the display unit is arranged on the surface of the shell; the proximity monitoring unit 1 is mounted on the front face of the housing; an air inlet 2 opening is provided in the front surface of the housing, the air inlet 2 is mounted on the air inlet 2 opening, and the air inlet 2 is connected to an air pump 3; one end of the air inlet pipeline 4 is connected with the air pump 3, and the other end is connected with the air outlet 5; a detection wafer 8 is arranged outside the air outlet 5; an excitation light source 6 and a light receiving device 7 are respectively installed above the detection wafer 8; a fan opening is provided on the rear surface of the housing opposite to the opening of the air inlet 2, a cleaning fan 9 is installed on the fan opening, and the air outlet 5 and the cleaning fan 9 are respectively located on both sides of the inspection wafer 8.
As shown in fig. 2, before the detection, the cleaning fan cleans the inside of the housing, the light source generating device emits the excitation light to irradiate on the detection wafer to generate the optical signal of the detection wafer, and the optical signal of the detection wafer is received by the light receiving device and converted into the electrical signal, which is transmitted to the controller as the reference signal; when the detected substance is close to the approach monitoring unit, the approach monitoring unit transmits a signal to the controller, the controller controls the excitation light source, the air pump and the light receiving device to be started, and the detected substance is sucked into the air inlet along with the air flow and is conveyed onto the detection wafer through the air inlet pipeline and the air outlet; the light source generating device emits excitation light, the excitation light irradiates on the detection wafer, the detected substance reacts with the detection wafer, fluorescence carrying the information of the detected substance is generated after the excitation light irradiates, the fluorescence is received by the light receiving device and converted into an electric signal, and the electric signal is transmitted to the controller to obtain the signal carrying the information of the detected substance; the controller compares the signal carrying the detected substance information with the reference signal, judges whether the detected substance contains peroxide or not, and transmits the peroxide to the alarm unit for displaying. In fig. 2, a dotted arrow indicates a control flow, and a solid arrow indicates a data flow.
In the embodiment, the master control power supply is a multi-path isolation power supply, 220V alternating current provided by the outside is converted into direct current with various different voltages, working voltage is provided, and the work of each unit circuit is controlled by the controller, 12V voltage is provided for the proximity monitoring module, the air pump 3 and the cleaning fan, 5V voltage is provided for the cooling fan of the excitation light source 6, 3.3V voltage is provided for the light source of the excitation light source 6, the alarm unit comprises a colored L ED lamp and a buzzer, the colored L ED lamp comprises red and green, the detected red L ED lamp flickers and the buzzer alarms if the detected substance contains peroxide, the green L ED lamp flickers and the buzzer does not alarm if the detected substance does not contain peroxide, and the triacetone triperoxide (TATP) is detected.
The wafer was inspected by dropping a C6NIB solution onto a silicon rubber aluminum foil plate. The chemical formula of C6NIB is as follows:
2-hexyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo-[de]isoquinoline-1,3(2H)-dione
the structural formula of C6NIB is as follows:
the detection method of the integratable modular peroxide detection device of the embodiment comprises the following steps:
1) before detection, the cleaning fan cleans the interior of the shell;
2) the light source generating device emits exciting light, the exciting light irradiates on the detection wafer to generate an optical signal of the detection wafer, and the optical signal of the detection wafer is received by the light receiving device, converted into an electric signal and transmitted to the controller to serve as a reference signal;
3) when no detected substance exists, the detection device is in a standby state; when the detected substance is close to the approach monitoring unit, the approach monitoring unit transmits a signal to the controller, the controller controls the excitation light source, the air pump and the light receiving device to be started, and the detected substance is sucked into the air inlet along with the air flow and flows onto the detection wafer through the air inlet pipeline and the air outlet;
4) the light source generating device emits excitation light, the excitation light irradiates on the detection wafer, the detected substance reacts with the detection wafer, fluorescence carrying the information of the detected substance is generated after the excitation light irradiates, the fluorescence is received by the light receiving device and converted into an electric signal, and the electric signal is transmitted to the controller to obtain the signal carrying the information of the detected substance;
5) the controller compares the signal carrying the information of the detected substance with the reference signal, judges whether the detected substance contains peroxide or not, transmits the peroxide to the alarm unit and displays the result on the display unit;
6) and after the detection is finished, the cleaning fan cleans the inside of the shell.
Finally, it is noted that the disclosed embodiments are intended to aid in further understanding of the invention, but will be understood by those skilled in the art that: various substitutions and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the present invention should not be limited to the embodiments disclosed, and the scope of the present invention is defined by the appended claims.
Claims (5)
1. An integratable modular peroxide detection device for detecting volatile peroxide, the integratable modular peroxide detection device comprising: the device comprises a proximity monitoring unit, an excitation light source, a detection wafer, a light receiving device, an alarm unit, an air inlet pipeline, an air outlet, an air pump, a cleaning fan, a controller, a master control power supply and a shell; the proximity monitoring unit, the excitation light source, the light receiving device, the alarm unit, the air pump, the cleaning fan and the controller are respectively connected to a master control power supply; the approach monitoring unit, the excitation light source, the light receiving device, the alarm unit, the air pump and the cleaning fan are respectively connected to the controller; the excitation light source, the detection wafer, the light receiving device, the air inlet pipeline, the air outlet, the air pump, the cleaning fan and the controller are all arranged in the shell; the proximity monitoring unit is mounted on the front surface of the shell; an air inlet opening is formed in the front surface of the shell, the air inlet is installed on the air inlet opening, and the air inlet is connected to the air pump; one end of the air inlet pipeline is connected with the air pump, and the other end of the air inlet pipeline is connected with the air outlet; installing a detection wafer outside the air outlet; an excitation light source and a light receiving device are respectively arranged above the detection wafer; the rear surface of the shell opposite to the air inlet opening is provided with a fan opening, a cleaning fan is arranged on the fan opening, and the air outlet and the cleaning fan are respectively positioned at two sides of the detection wafer.
2. The integrable modular peroxide detection device of claim 1 wherein the proximity monitoring unit employs an infrared proximity sensor.
3. The integrable modular peroxide detection device of claim 1, wherein the alarm unit comprises an alarm indicator light and a buzzer; the alarm indicator light comprises two different colored lights.
4. The integrable modular peroxide detection device of claim 1, wherein the air inlet and air outlet are each flared.
5. The integrable modular peroxide detection device of claim 1, further comprising a display unit mounted to a surface of the housing; the display unit is a liquid crystal display screen, is connected to the master control power supply and is connected with the controller.
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| CN201922118266.7U CN211206260U (en) | 2019-12-02 | 2019-12-02 | Integrated modular peroxide detection device |
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| CN201922118266.7U CN211206260U (en) | 2019-12-02 | 2019-12-02 | Integrated modular peroxide detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110887824A (en) * | 2019-12-02 | 2020-03-17 | 北京永安多谱检测科技有限公司 | Integrated modular peroxide detection device and detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887824A (en) * | 2019-12-02 | 2020-03-17 | 北京永安多谱检测科技有限公司 | Integrated modular peroxide detection device and detection method thereof |
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