KR200244309Y1 - Cylindrical type ion mobility sensor - Google Patents

Abstract

The present invention relates to a sensor device for a gas mask-attached ion mobility sensor, which can easily perform a task in a contaminated area, and can easily perform the task by easily removing and replacing the sensor device. Of course, the present invention relates to a gas mask-type ion mobility sensor sensor device for improving the collection and decomposition ability when measuring the extracted ions.

The present invention is a sensor device for a gas mask-type ion mobility sensor attached to the ion analyzer connected to the ion analyzer to analyze the components of the chemical, a plurality of air inlet hole 111 is formed on the circumferential surface and the opening 112 ), The first and second plate (120, 125) of the annular upper and lower spaced up and down at a predetermined interval to guide the air flowing into the air inlet hole at a predetermined position inside the case, the inner upper portion of the case Ring-shaped first and second ion extractors 130 and 135 installed to have a predetermined distance on the inside of the surface and the first plate, and a plurality of air inlet holes 141 formed on the side and fixed to the inside of the second ion extractor. Air is introduced and the air is discharged to the discharge hole 142 in the center, and the ion generating unit 140 is provided with a plurality of electrodes 143 between the air inlet hole and the discharge hole, the first and second ion extractor Of First and second delayed electrode plates 150 and 155 which are fixed to the inner upper surface of the case and the upper surface of the first plate so as to prevent the extracted ions from spreading, and are installed to maintain a predetermined interval, and the first and second delayed electrodes. Faraday cup 160 installed on the upper inner circumferential surface of the case to collect the ions introduced between the plate and connected to the wire 143a and the Faraday cup connected to the electrode at any one of the air inlet hole It characterized in that it comprises a connector 170 is installed to protrude by connecting the wire 161.

Description

Sensor device for gas mask attached ion mobility sensor {Cylindrical type ion mobility sensor}

The present invention relates to a sensor device for ion mobility sensor, in particular, in the contaminated area, not only can the attendant perform conveniently, but also the sensor device can be easily separated and replaced to perform the mission smoothly. The present invention relates to a gas mask-type ion mobility detector sensor device for improving the collection and decomposition ability when measuring the extracted ions.

In general, the ion mobility detector is to carry out the monitoring and detoxification capabilities of the enemy during the attack of chemical agents or terrorism of the poisonous gases to carry out the monitoring and detoxification capabilities to analyze the signal detected by the sensor device.

As shown in FIGS. 7 and 8, the conventional ion mobility monitoring sensor device 10 includes an ionization housing formed by introducing air and sample gas from the pump 11 to ionize the sample gas and discharge it to the outlet 12a. (12), a linear moving tube (13) for guiding air introduced into the ionization housing (12), a discharge electrode (14) provided in the ionization housing (12), and generated by the discharge electrode (14). An extraction network 15 provided at a predetermined position of the moving tube 13 to extract the ions forward, and a plurality of delay electrode plates provided at the front of the extraction network 15 and the terminals 16a protruding upwards ( 16) and embedded in an ion analyzer (not shown).

Accordingly, the air introduced by the operation of the pump 11 is generated at the discharge electrode 14 in the ionization housing 12, and part of the air is discharged to the outlet 12a.

In addition, the ions generated in the discharge electrode 14 are extracted from the extraction network 15 through the moving tube 13, and collects ion currents to the Faraday cup 17 through the delay electrode plate 16 and this current It is supposed to analyze.

That is, the ions of the chemical generated in the discharge electrode 14 is accelerated by the electric field of the extraction network 15 to move in the moving tube 13, wherein the moving tube 13 which is a linear chamber according to the mass difference of the ions. The speed of movement in) will change.

As a result, each ion has a different time to reach the Faraday cup 17, and by analyzing the signal for this difference, the constituents of the chemical can be analyzed.

However, when the portion of the discharge electrode 14 and the linear moving tube 13 are coupled, the ions generated in the discharge electrode 14 are moved to the multi-stage delayed electrode plate 16 through the moving tube 13. Has a problem that the sensitivity and ionization efficiency are very low as a complex and linear structure.

In addition, since such a sensor device is installed in the ion analyzer, it is used to carry and carry, and thus it is very inconvenient to perform other tasks or measures in parallel when performing the measurement task of the attendant.

As a result, the ions are incident one-dimensionally along the moving tube 13, causing attenuation of the measurement signal, resulting in low measurement efficiency.

The present invention has been devised to solve the above problems, ions are configured to extract ions in the entire direction of the circumference, that is, two-dimensional, to improve the efficiency of collecting ion current, as well as to focus ions per unit volume It is an object of the present invention to provide a gas mask-type ion mobility sensor for reducing the space charge effect is reduced to improve the efficiency and efficiency.

Still another object is to be detachable to the gas container of the gas mask, and to have a simple structure, small volume and light weight, so that the attendant can perform the work conveniently in the contaminated area.

1 is a perspective view of a sensor device according to the present invention,

Figure 2 is a cross-sectional view of the sensor device of the present invention assembled to the purification container of the gas mask,

3 is a detailed view showing a state in which the electrode mounting portion of the sensor device according to the present invention is installed in the ion extractor,

4 is a cross-sectional view taken along the line A-A of FIG.

5 is an explanatory view showing a state in which a sensor device according to the present invention is installed in a purifier of a gas mask and connected with a signal analyzer and a cable;

6 is a cross-sectional view of a sensor device according to another embodiment of the present invention,

7 is a perspective view showing a conventional sensor for ion mobility sensor;

8 is a longitudinal cross-sectional view of FIG. 7.

* Description of the symbols for the main parts of the drawings *

100: sensor device 110: case

111: air inlet 112: opening

112a: seating portion 120, 125: first and second plate

130, 135: first and second ion extractor 140: ion generating unit

141: air inlet hole 142: outlet hole

143: electrode 143a: wire

150,155: first and second delayed electrode plate 160: Faraday Cup

161: wire 170: connector

500; Pump

The present invention for achieving the above object, in the sensor device for the gas mask attached ion mobility sensor attached to the ion analyzer is installed to analyze the components of the chemical, with a plurality of air inlet hole is formed on the circumferential surface A case having one side open, annular first and second plates provided at a predetermined interval so as to guide the air flowing into the air inlet at a predetermined position inside the case, and an inner upper surface and the first inner side of the case; Ring-shaped first and second ion extractors installed to have a predetermined interval inside the diaphragm, and fixed to the inside of the second ion extractor, and air is introduced into a plurality of air inlet holes formed on the side surface and the air is discharged to the central discharge hole. Is discharged and between the first and second ion extractors and the ion generator having a plurality of electrodes installed between the air inlet and outlet holes. First and second delayed electrode plates fixed to the inner upper surface of the case and the upper surface of the first plate and installed to maintain a predetermined interval so as to prevent the spread of the extracted ions, and flows between the first and second delayed electrode plates Faraday cup installed on the upper inner circumferential surface of the case to collect the collected ions and a current, and a connector provided to protrude by connecting the wire connected to the electrode and the wire connected to the electrode to any one of the air inlet hole Characterized in that.

In addition, the outer peripheral surface formed with the opening of the case, characterized in that the seating portion bent to be detachably coupled to the purifying tank of the gas mask.

In addition, the pump is installed in the lower portion of the second plate to force the air through the opening of the case.

Hereinafter, with reference to the accompanying drawings will be described in detail the sensor device for ion mobility sensor according to the present invention.

1 is a perspective view of a sensor device according to the present invention, Figure 2 is a cross-sectional view of the sensor device of the present invention is assembled to the gas tank of the gas mask, Figure 3 is an electrode installation unit of the sensor device according to the present invention is installed in the ion extractor It is a detailed view which shows a state, and FIG. 4 is sectional drawing A-A of FIG.

The present invention, in the gas mask attached ion movement detection sensor device that is connected to the ion analyzer to analyze the components of the chemical, a plurality of air inlet hole 111 is formed on the circumferential surface and one side of the opening 112 The first and second diaphragms 120 and 125 which are vertically disposed at a predetermined interval so as to guide the air flowing into the air inlet hole 111 at a predetermined position inside the case 110 and the case 110; An annular ring-shaped first and second ion extractors 130 and 135 installed at right angles to have a predetermined gap in the inner upper surface of the case 110 and the inner side of the first plate 120, and the second ion extractor 135 of the second ion extractor 135. In addition to being fixed to the inside, air is introduced into the plurality of air inlet holes 141 formed on the side, and air is discharged to the central discharge hole 142, and between the air inlet hole 141 and the discharge hole 142. Ion generator 1 in which a plurality of electrodes 143 is installed 40 and fixed to the inner upper surface of the case 110 and the upper surface of the first plate 120 to prevent the ions extracted between the first and second ion extractors 130 and 135 from spreading. The first and second delayed electrode plates 150 and 155 of the annular plate shape and the first and second delayed electrode plates 150 and 155 provided to maintain the upper and upper portions of the case 110 to collect currents and measure current. Faraday cup (160) installed on the inner circumferential surface, the wire 143a connected to the electrode 143 and the wire 161 connected to the Faraday cup 160 to any one of the air inlet hole (141) It includes a connector 170 protruding to be connected to the wire harness connecting to the ion analyzer to be described later.

Here, the first and second ion extractors 130 and 135 are fixed to the case 110 and the first plate 120 by screwing in this embodiment, but may be fixed by welding or the like.

And the ion generating unit 140 is fixed to the second ion extractor 135 is screwed in this embodiment, but of course can be fixed by welding or the like.

In addition, it is natural that the electrode 143 is installed at the position of the air inlet hole 141 formed in the ion generator 140 to reach the highest ion generation efficiency.

Meanwhile, as illustrated in FIGS. 1, 2, and 5, the opening 112 of the case 110 is provided with a seating portion 112a that is bent to be detachably coupled to the purification container 210 of the gas mask 200.

Therefore, when the sensor device 100 is installed in the purification tank 210 of the gas mask 200 and the connector 170 is connected to the ion analyzer 400 through the wire harness 300, the activity is contaminated in the contaminated area. When the breath is made through the purifying tank 210, air is introduced through the air inlet hole 111, the first and second partitions 120 and 125, and the purifying tank 210.

At this time, a part of the air introduced into the air inlet hole 111 enters the air inlet hole 141 of the ion generating unit 140 to generate anion or cation by the electrode 143, and some air is the discharge hole. As it is discharged to the (142) is introduced into the purification tank 210.

On the other hand, the ions generated by the electrode 143 extract the ions of the first and second ion extractors 130 and 135 and prevent the spread of ions by the first and second delayed electrode plates 150 and 155, and thus the Faraday cup 160. By collecting ions and collecting currents in the signal analyzer 400 through the connector 170 and the wire harness 300 to analyze the ion signal.

Therefore, if the sensor device 100 is installed in the purification tank 210 of the gas mask 200 and the signal analyzer 400 is installed in the body of the analyzer, hands are free and work can be easily performed.

In addition, when ions are generated at the electrode 143 through the air inlet hole 141 of the ion analyzer 140, the air introduced through the air inlet hole 111 may move in the radial direction of the first and second ion extractors 130 and 135. Since the extraction is guided by the first and second delayed electrode plates 150 and 155 and collected into the Faraday cup 160, the space charge effect is also reduced, so that the strength of the measurement signal can be significantly increased, thereby improving resolution.

That is, the first and second ion extractors 130 and 135 and the first and second delayed electrode plates 150 and 155 are formed in a ring-shaped plate shape, so that the ion is extracted in the radial direction and the space charge effect is reduced. The resolution is improved.

Meanwhile, as illustrated in FIG. 6, when the pump 500 is installed to force the air into the lower portion of the second plate 125 through the opening 112 of the case 110, the purification tank of the gas mask 200 is installed. It is also possible to carry out a task in a contaminated area by carrying it separately instead of (210).

As described above, according to the gas mask-type ion mobility sensor sensor device of the present invention, the ion is extracted as it proceeds in the entire direction of the circumference, and the concentration density of ions per unit volume is lowered, thereby reducing the space charge effect. Since the strength of the signal is significantly increased, resolution and efficiency are improved.

In addition, the structure is so simple that it can be attached and detached to the gas tank of the gas mask, and the weight is light, so that the attendant can perform the work conveniently in the contaminated area.

On the other hand, although described based on the preferred embodiment of the present invention, those of ordinary skill in the art can be variously modified and changed within the scope of the invention without departing from the spirit and technical means of the present invention.

Claims (3)

In the ion mobility sensor, which is connected to the ion analyzer and equipped with a sensor device to analyze chemical components, A plurality of air inlet holes are formed in the circumferential surface, and the case having one side opened and annular first and second spaced up and down with a predetermined interval to guide the air flowing into the air inlet hole at a predetermined position inside the case. A diaphragm and an annular first and second ion extractors installed to have a predetermined distance between the inner upper surface of the case and the inner side of the first partition plate, and a plurality of air inlets formed on the side of the second ion extractor and fixed to the inside of the second ion extractor; The air is introduced into the hole and the air is discharged to the central discharge hole, and the ion generating unit having a plurality of electrodes installed between the air inlet hole and the discharge hole and the ions extracted between the first and second ion extractors are spread. First and second delayed electrode plates which are fixed to the inner upper surface of the case and the upper surface of the first partition plate and installed to maintain a predetermined distance to prevent the first case; Faraday cups installed on the upper inner circumferential surface of the case to collect the ions introduced between the plate and to measure the current, and connects the wires connected to the electrode and the wires connected to the Faraday cup to any one of the air inlet hole Gas mask surface type ion mobility sensor sensor device comprising a connector installed. The method of claim 1, A gas sensor-type ion mobility sensor according to claim 1, wherein the outer peripheral surface formed with the opening of the case has a seating portion bent to be detachably coupled to the gas tank of the gas mask. The method of claim 1, A gas mask-type ion mobility sensor for a sensor device, characterized in that the pump is installed in the opening to forcibly suck air through the opening of the case.