CN210269707U - Detector for detecting chemical toxic gas through ion mobility spectrometry technology - Google Patents
Detector for detecting chemical toxic gas through ion mobility spectrometry technology Download PDFInfo
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- CN210269707U CN210269707U CN201921137065.5U CN201921137065U CN210269707U CN 210269707 U CN210269707 U CN 210269707U CN 201921137065 U CN201921137065 U CN 201921137065U CN 210269707 U CN210269707 U CN 210269707U
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Abstract
The utility model provides a detector for detecting chemical poison gas by ion mobility spectrometry, which comprises a display module, a machine body shell, an ion mobility spectrometry detector and a circuit board, wherein the ion mobility spectrometry detector and the circuit board are arranged in the shell; the shell of the machine body is provided with a gas inlet and a gas outlet, more than two gas passages are arranged between the gas inlet and the gas outlet, an ion mobility spectrometry detector is arranged on the gas passage I, and a gas sensor array sensor is arranged on the gas passage II; the circuit board is provided with a processor which is respectively connected with the ion mobility spectrometry detector, the gas sensitive element array sensor and the display module, and the ion mobility spectrometry detector and the gas sensitive element array sensor are used for detecting gas to be detected and sending signals to the processor. The utility model discloses a detect detector of chemical poison gas through ion mobility spectrometry technique realizes the semi-quantitative detection to oxygen, combustible gas and chemical gas simultaneously, has improved accuracy and sensitivity to the detection of gas, and application scope is wider, and application prospect is good.
Description
Technical Field
The utility model belongs to the technical field of gaseous monitoring instrument, a fixed chemical poison gas detector is related to, especially relate to a detect appearance that detects chemical poison gas through ion mobility spectrometry technique.
Background
In recent years, with the increasing requirements of the environmental protection and chemical industry on emission and the increasing of the environmental pollution remediation strength, the demand of gas detection instruments is increasing. The gas detection and analysis technologies are widely varied, wherein the ion mobility spectrometry technology is an emerging chemical analysis technology developed in the seventies of the twentieth century and is generally applied to the determination of trace chemicals, chemical toxicants, industrial toxic gases, air pollutants and the like. Compared with other gas detection and analysis technologies, the ion mobility spectrometry technology has the advantages of high detection precision, small loss, wide application range and quick analysis time, can work at atmospheric pressure and room temperature, and is a gas detection technology with wide prospect. The gas detector based on the ion mobility spectrometry technology can be used in the field of the environmental protection chemical industry, and can also be suitable for places with dense population and large pedestrian flow, such as airports, subway stations, railway stations, government buildings, medical centers and the like.
However, the current gas detector based on the ion mobility spectrometry technology can only realize semi-quantitative detection of a single gas, and under many working environments (such as chemical plants, mines, and the like), it is also important to detect the concentration of oxygen to ensure the safety of operators, and meanwhile, the concentration of oxygen is used as a flame retardant gas, which is related to whether the combustible gas is exploded, and the detection of the concentration of oxygen has important significance in industrial control and environmental monitoring.
Therefore, the development of the fixed chemical toxic gas detector based on the ion mobility spectrometry technology and capable of detecting multiple gases simultaneously has practical significance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the defects of low accuracy and low sensitivity in a complex environment in the prior art, the detector for detecting the chemical toxic gas by the ion mobility spectrometry technology, which can quantitatively detect various gases, is provided.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
a detector for detecting chemical toxic gas by ion mobility spectrometry technology comprises a display module, a machine body shell, an ion mobility spectrometry detector and a circuit board, wherein the ion mobility spectrometry detector and the circuit board are arranged in the shell;
the gas detector is characterized in that a gas inlet and a gas outlet are arranged on the machine body shell, the gas inlet is used for introducing gas to be detected, the gas outlet is used for discharging the detected gas, more than two gas passages are arranged between the gas inlet and the gas outlet, an ion mobility spectrometry detector is arranged on the gas passage I, and a gas sensitive element array sensor is arranged on the gas passage II;
the circuit board is provided with a processor which is respectively connected with the ion mobility spectrometry detector, the gas sensitive element array sensor and the display module, the ion mobility spectrometry detector and the gas sensitive element array sensor are used for detecting gas to be detected and sending signals to the processor, the processor is used for processing the received signals and then sending the signals to the display module, and the display module is used for displaying information of the gas to be detected. The gas passages from the gas inlet to the gas outlet are not limited to two, the utility model only takes two gas passages as an example, the gas sensor array sensor can acquire the resistance value of the gas to be detected and the corresponding data of voltage, current, capacitance value and the like, can detect the related information of the type, concentration, components and the like of the gas to be detected, the ion mobility spectrometry detector can acquire the image ion current intensity of the two-dimensional or three-dimensional atlas of the gas to be detected and the corresponding data such as the radio frequency voltage (field), the compensation voltage (field) and the like, through combining both data that acquire, the utility model discloses a through the detector of ion mobility spectrometry detection chemistry poison gas can realize simultaneously that the accuracy and the sensitivity to gaseous detection have been improved to oxygen, combustible gas and chemical gas's semi-quantitative detection, application scope is wider, and application prospect is good.
The utility model discloses the signal transmission process of carrying out gas detection time measuring is as follows:
firstly, gas to be detected enters a gas passage I and a gas passage II from a gas inlet and flows through the gas passage I and the gas passage II, an ion mobility spectrometry detector on the gas passage I and a gas sensitive element array sensor on the gas passage II detect the gas to be detected and then transmit data to a processor, the processor processes the obtained data and then sends a signal to a display module, and a gas detection result is displayed in the display module.
As a preferred technical scheme:
the detector for detecting the chemical toxic gas through the ion mobility spectrometry technology is characterized in that the machine body shell is of a cubic structure, and the display module is installed on the side surface of the machine body shell. The utility model discloses a fuselage shell's shape is not limited to this, and other shapes also are applicable to the utility model discloses, display module's mounted position is also not limited to this, the utility model discloses so install only for convenient operating personnel observation.
According to the detector for detecting the chemical toxic gas through the ion mobility spectrometry, the installation surface of the display module of the machine body shell is provided with the system switch key connected with the circuit board, and the system switch key is used for starting and stopping detection of the detector. The utility model discloses a mounted position of system switch button is not limited to with this, and it installs the optional position at fuselage shell, the utility model discloses install it at the display module homonymy for convenient operating personnel operation.
The detector for detecting chemical toxic gas through the ion mobility spectrometry technology is characterized in that the air inlet and the air outlet are positioned on the bottom surface of the machine body shell, the position of the air inlet and the air outlet of the utility model is not limited to the above, and technicians in the field can select a proper position on the machine body shell to arrange the air inlet and the air outlet according to actual requirements;
the bottom surface of fuselage shell is equipped with power master switch button, USB interface, internet interface, the interface and the signal connection terminal that charge that are connected with the circuit board respectively, power master switch button is used for controlling the switch through the detector of ion mobility spectrometry detection chemistry poison gas, USB interface, internet interface and signal connection terminal are used for being connected and transmit the signal for other equipment with the detector that detects chemistry poison gas through ion mobility spectrometry technology with other equipment, can realize the transmission of signal through above interface, the interface that charges is used for providing the power for the detector that detects chemistry poison gas through ion mobility spectrometry technology.
According to the detector for detecting the chemical toxic gas through the ion mobility spectrometry, the number of the signal connecting terminals is two, the number and the row number of the signal connecting terminals are not limited to the above, and a person skilled in the art can select different numbers of the signal connecting terminals according to the actual requirements of application scenes.
The detector for detecting the chemical toxic gas through the ion mobility spectrometry technology mainly comprises an ion mobility spectrometry detector, an air pump I and a conduit which sequentially connects an air inlet, the ion mobility spectrometry detector, the air pump I and an air outlet; the gas passage II mainly comprises a gas sensor array sensor, a gas pump II and a conduit which sequentially connects the gas inlet, the gas sensor array sensor, the gas pump II and the gas outlet; and the air pump I and the air pump II are respectively connected with the processor.
According to the detector for detecting the chemical toxic gas through the ion mobility spectrometry technology, the air inlet and the air outlet are respectively connected with the air inlet pipe and the air outlet pipe.
According to the detector for detecting the chemical toxic gas through the ion mobility spectrometry technology, the air inlet pipe and the air outlet pipe are flexible pipes, and the design of the flexible pipes can ensure that the pipelines are not easy to bend, so that smoothness of air inlet and outlet is influenced.
According to the detector for detecting the chemical toxic gas through the ion mobility spectrometry technology, the length of the air inlet pipe and the length of the air outlet pipe are 0.1-15 m. The utility model discloses a length of intake pipe and outlet duct is not limited to this, also can adopt longer intake pipe and outlet duct in order to improve the detection range through the detector of ion mobility spectrometry detection chemistry poison gas.
According to the detector for detecting chemical toxic gas through the ion mobility spectrometry technology, the display module is a touch-control liquid crystal display screen.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model discloses a detect detector of chemical poison gas through ion mobility spectrometry technique, can acquire gaseous resistance value and corresponding voltage of awaiting measuring through gas sensitive element array sensor, the electric current, data such as capacitance value, can detect out the type of the gaseous of awaiting measuring, relevant information such as concentration and composition, can acquire the image ion current intensity and the corresponding radio frequency voltage (field) of the two-dimentional or three-dimensional map of the gaseous of awaiting measuring and data such as compensating voltage (field) size through ion mobility spectrometry detector, through combining the data that both acquireed, can realize oxygen simultaneously, combustible gas and chemical gas's semi-quantitative detection, the accuracy and the sensitivity to gaseous detection have been improved, application scope is wider, application prospect is good.
Furthermore, the utility model discloses it is small, it need not to be connected with other equipment such as computer, can be in the gaseous condition of twenty-four hours continuous incessant on-line monitoring's place environment, the gaseous condition in the real-time display detection area, it detects the precision height, can be at the gaseous gas port of some extreme adverse circumstances of remote monitoring through the pipeline, and corresponding port is connected to accessible external equipment simultaneously and carries out remote control to equipment, if set up measuring parameter or derive measured data etc. can show improvement measurement personnel's efficiency, the utility model discloses the flexibility is good, and it is wide to be suitable for the scene, has application prospect.
Drawings
FIG. 1 is a front view of the chemical toxic gas detecting instrument of the present invention using ion mobility spectrometry;
FIG. 2 is a bottom view of the chemical toxic gas detecting apparatus of the present invention using ion mobility spectrometry;
FIG. 3 is a schematic view showing the connection of the components of the detector for detecting chemical toxic gases by ion mobility spectrometry of the present invention;
the device comprises a machine body shell, a display module, a system switch key, a 4-air inlet, a 5-air outlet, a 6-USB interface, a 7-signal wiring terminal, a 8-power supply main switch key, a 9-Internet interface, a 10-charging interface, an 11-ion mobility spectrometry detector, an air pump I, an air pump 13, a conduit 14, a processor 15, a circuit board, a 16-gas sensitive element array sensor and an air pump II, wherein the air pump II is connected with the display module through the air inlet, the air pump I, the air pump II and the air pump I, the air pump.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
Example 1
A detector for detecting chemical toxic gas by Ion Mobility Spectrometry (IMS) technology is disclosed, as shown in FIGS. 1, 2 and 3, comprising a display module 2, a body housing 1, and an IMS detector 11 and a circuit board 15 arranged in the body housing 1;
the body shell 1 is of a cubic structure, the display module 2 is a touch liquid crystal display screen and is arranged on the side surface of the body shell 1, a system switch key 3 connected with the circuit board 15 is further arranged on the side surface, and the system switch key 3 is used for starting and stopping detection of the detector;
the bottom surface of the machine body shell 1 is provided with a gas inlet 4 and a gas outlet 5, the gas inlet 4 is used for introducing gas to be detected, the gas outlet 5 is used for discharging the detected gas, the gas inlet and the gas outlet are respectively connected with a gas inlet pipe and a gas outlet pipe, the gas inlet pipe and the gas outlet pipe are hoses, the length of the hose is 0.1-15 m, two gas passages are arranged between the gas inlet 4 and the gas outlet 5, the gas passage I is formed by connecting the gas inlet 4, the ion mobility spectrometry detector 11, a gas pump I12 and the gas outlet 5 in sequence by using a conduit 13, and the gas passage I is formed by connecting the gas inlet 4, the gas sensor array 16, a gas pump II17 and the gas outlet 5;
the bottom surface of the detector is provided with a power supply main switch key 8, a USB interface 6, an internet interface 9, a charging interface 10 and two rows of signal connecting terminals 7 which are respectively connected with a circuit board 15, the power supply main switch key is used for controlling a power supply switch of the detector for detecting the chemical poison gas through the ion mobility spectrometry, the USB interface, the internet interface and the signal connecting terminals are used for connecting the detector for detecting the chemical poison gas through the ion mobility spectrometry with other equipment and transmitting signals to the other equipment, and the charging interface is used for providing power for the detector for detecting the chemical poison gas through the ion mobility spectrometry;
the circuit board 15 is provided with a processor 14 which is respectively connected with the ion mobility spectrometry detector 11, the air pump I12, the air pump II16, the gas sensor array sensor 16 and the display module 2.
The signal transmission process of the detector for detecting the chemical toxic gas by the ion mobility spectrometry technology during working is as follows:
firstly, gas to be detected enters a gas passage I and a gas passage II from a gas inlet and flows through the gas passage I and the gas passage II, an ion mobility spectrometry detector on the gas passage I and a gas sensitive element array sensor on the gas passage II detect the gas to be detected and then transmit data to a processor, the processor processes the obtained data and then sends a signal to a display module, and a gas detection result is displayed in the display module.
Example 2
The utility model provides a detect detector of chemical poison gas through ion mobility spectrometry, its structure is the same basically with embodiment 1, and the difference lies in its air inlet, gas outlet, power master switch button, USB interface, internet interface, the interface that charges and two rows of signal connection terminal arrange on the one side of fuselage shell relative with display module installation face.
The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (10)
1. A detector for detecting chemical toxic gas by an ion mobility spectrometry technology is characterized in that: the ion mobility spectrometry detector comprises a display module, a machine body shell, and an ion mobility spectrometry detector and a circuit board which are arranged in the shell; wherein:
the gas detector is characterized in that a gas inlet and a gas outlet are arranged on the machine body shell, the gas inlet is used for introducing gas to be detected, the gas outlet is used for discharging the detected gas, more than two gas passages are arranged between the gas inlet and the gas outlet, an ion mobility spectrometry detector is arranged on the gas passage I, and a gas sensitive element array sensor is arranged on the gas passage II;
the circuit board is provided with a processor which is respectively connected with the ion mobility spectrometry detector, the gas sensitive element array sensor and the display module, the ion mobility spectrometry detector and the gas sensitive element array sensor are used for detecting gas to be detected and sending signals to the processor, the processor is used for processing the received signals and then sending the signals to the display module, and the display module is used for displaying information of the gas to be detected.
2. The apparatus according to claim 1, wherein the housing is a cubic structure, and the display module is mounted on a side of the housing.
3. The apparatus according to claim 2, wherein a system switch button connected to the circuit board is disposed on the display module mounting surface of the housing, and the system switch button is used to turn on and off the detection of the apparatus.
4. The apparatus according to claim 2, wherein the air inlet and the air outlet are located on a bottom surface of the housing;
the bottom surface of the machine body shell is also provided with a power supply main switch button, a USB interface, an internet interface, a charging interface and a signal wiring terminal which are respectively connected with the circuit board;
the power supply main switch key is used for controlling a power supply switch of a detector for detecting chemical toxic gas by an ion mobility spectrometry technology;
the USB interface, the internet interface and the signal wiring terminal are used for connecting the detector for detecting the chemical toxic gas through the ion mobility spectrometry technology with other equipment and transmitting signals to the other equipment;
the charging interface is used for providing a power supply for a detector for detecting chemical toxic gas by an ion mobility spectrometry technology.
5. The apparatus according to claim 4, wherein the signal terminals are arranged in two rows.
6. The apparatus according to claim 1, wherein the gas passage I comprises an ion mobility spectrometry detector, a gas pump I, and a conduit connecting the gas inlet, the ion mobility spectrometry detector, the gas pump I, and the gas outlet in sequence; the gas passage II mainly comprises a gas sensor array sensor, a gas pump II and a conduit which sequentially connects the gas inlet, the gas sensor array sensor, the gas pump II and the gas outlet; and the air pump I and the air pump II are respectively connected with the processor.
7. The apparatus according to claim 1, wherein the gas inlet and the gas outlet are connected to a gas inlet pipe and a gas outlet pipe, respectively.
8. The apparatus according to claim 7, wherein the gas inlet and outlet tubes are flexible tubes.
9. The apparatus according to claim 8, wherein the length of the gas inlet pipe and the gas outlet pipe is 0.1-15 m.
10. The apparatus according to claim 1, wherein the display module is a touch-sensitive lcd.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137065.5U CN210269707U (en) | 2019-07-18 | 2019-07-18 | Detector for detecting chemical toxic gas through ion mobility spectrometry technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137065.5U CN210269707U (en) | 2019-07-18 | 2019-07-18 | Detector for detecting chemical toxic gas through ion mobility spectrometry technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210269707U true CN210269707U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921137065.5U Active CN210269707U (en) | 2019-07-18 | 2019-07-18 | Detector for detecting chemical toxic gas through ion mobility spectrometry technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210269707U (en) |
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2019
- 2019-07-18 CN CN201921137065.5U patent/CN210269707U/en active Active
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