CN203838131U - Multipurpose photoionization sensor gas chamber - Google Patents
Multipurpose photoionization sensor gas chamber Download PDFInfo
- Publication number
- CN203838131U CN203838131U CN201420225981.5U CN201420225981U CN203838131U CN 203838131 U CN203838131 U CN 203838131U CN 201420225981 U CN201420225981 U CN 201420225981U CN 203838131 U CN203838131 U CN 203838131U
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- air chamber
- interface
- gas
- screw hole
- air
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Abstract
The utility model discloses a multipurpose photoionization sensor gas chamber which comprises a gas chromatographic column connector, a mixed gas inlet connector, a conical hole, a gas feeding tank, a chamber body, a main body screw hole, a gas feeding hole, a gas outlet connector, a gas chamber cover and fastening screws, wherein the main body part of the gas chamber is of a structure of a solid column body with holes, and the gas chamber, together with the gas chamber cover and the fastening screws, is assembled to form a complete structure. The gas chamber is not applicable to gas chromatograph, but also applicable to photoionization detectors for detecting multiple mixed gases. The gas chamber bas the beneficial effects of improving the accuracy of sensor detection, the convenience in chromatographic column connection and the sealing capability of the connectors.
Description
Technical field
The utility model relates to mixed gas checkout equipment, and specifically a kind of multi-usage optic ionized sensor air chamber, both can be used for gas chromatograph, also can be applicable to the photoionization detector that various mixed gases detects.
Background technology
For the photoionization gas sensor of cylindrical structure, if be used for gas chromatograph as detecting device, must have a gas cell device that detecting device, gas chromatography column joint, gas outlet can be integrated, gas chromatography column joint is connected with the chromatographic column of gas chromatography instrument; If detect various mixed gases, must there is an air chamber that detecting device, air intake opening, gas outlet are integrated.At present, the photoionization detector of selling on market is only a sensor independently, and its gas detection window is all open, and air chamber interface does not all have piecing devices, therefore, cannot be used for gas chromatography instrument, cannot detect mixed gas yet.Even if couple together cumbersomely, and do not there is impermeability yet.Venting quality is very poor simultaneously, causes gas molecule to pile up, and affects accuracy of detection.
Utility model content
For solving the deficiencies in the prior art, the utility model provides a kind of multi-usage optic ionized sensor air chamber.This air chamber can connect gas chromatography column joint simultaneously and be communicated with the joint of various mixed gases, and impermeability is good, and joint junction is convenient, sensor is detected more accurate.
The technical scheme that the utility model solve the technical problem is: design a kind of multi-usage optic ionized sensor air chamber.This air chamber comprises gas chromatographic column interface, mixed gas intake interface, bellmouth, air channel, cavity, main body screw hole, air hole, the interface of giving vent to anger, air chamber cover and trip bolt, this air chamber main part is pertusate structure in a solid cylinder, is assembled into a complete structure with air chamber cover and trip bolt; It is characterized in that, described cavity is a cylindrical cavity of 3/5 that hollows out air room height from air chamber bottom surface, and its size can be held optic ionized sensor, and the air channel being directly communicated with it is together arranged at the top of cavity; Described gas chromatographic column interface, mixed gas intake interface and the interface of giving vent to anger are all positioned at the upper end face of air chamber and are communicated with by three road clear openings respectively with air channel, described bellmouth is the hole of gas chromatographic column interface and air channel junction, be used for placing chromatographic column fastening clips, described air hole is the intercommunicating pore of gas outlet joint and air channel; Described gas chromatographic column interface, mixed gas intake interface and the interface of giving vent to anger are the little structure of large, the inner bore of outer end bore, and have helicitic texture in the outer end heavy caliber part of mixed gas intake interface and the interface of giving vent to anger; Described main body screw hole is positioned at the bottom surface of air chamber main body, is three, is positioned on same circumference, and the angle of every two screw holes and circle center line connecting is 120 °, for trip bolt is installed; Described air chamber cover is installed on air chamber bottom surface, above has six holes, lays respectively on two circumference, three holes of outer ring are screw hole, match, for trip bolt is installed with main body screw hole, three holes of inner ring are pin hole, for the pin of optic ionized sensor is shelved hole; Described trip bolt is arranged in the main body screw hole of air chamber bottom surface through the screw hole of air chamber cover outer ring, is used for fastening optic ionized sensor.
The beneficial effects of the utility model are:
(1) this air chamber has improved convenience, the sealing of interface and the convenience of multiple interfaces that the accuracy that sensor detects, chromatographic column connect.
(2) this air chamber is not only applicable to gas chromatograph, is also applicable to the photoionization detector that various mixed gases detects, and practicality is good, simple in structure, easily manufactured, easy to utilize.
Brief description of the drawings
Fig. 1 be a kind of example structure of the utility model air chamber along A-A face cut-open view.
Fig. 2 is that the left side of a kind of example structure of the utility model air chamber is not depending on perspective diagram (installing air chamber cover).
Fig. 3 is the schematic top plan view (air chamber cover is not installed) of a kind of example structure of the utility model air chamber.
Fig. 4 is the air chamber cover structural drawing of a kind of example structure of the utility model air chamber.
Concrete implementing measure
Be described in further detail the utility model below in conjunction with specific embodiment.
The utility model multi-usage optic ionized sensor air chamber (is called for short air chamber, referring to Fig. 1), comprise: gas chromatographic column interface 1, mixed gas intake interface 2, bellmouth 3, air channel 4, cavity 5, main body screw hole 6, air hole 7, the interface 8 of giving vent to anger, air chamber cover 9 and trip bolt 10, this air chamber main part is pertusate structure in a solid cylinder, is assembled into a complete structure with air chamber cover 9 and trip bolt 10; It is characterized in that, described cavity 5 is 3/5 the cylindrical cavities that hollow out air room height from air chamber bottom surface, and its size can be held optic ionized sensor, and the air channel 4 being directly communicated with it is together arranged at the top of cavity 5; Described gas chromatographic column interface 1, mixed gas intake interface 2 and the interface 8 of giving vent to anger are all positioned at the upper end face of air chamber and are communicated with by three road clear openings respectively with air channel 4, described bellmouth 3 is the hole of gas chromatographic column interface 1 and air channel 4 junctions, be used for placing chromatographic column fastening clips, described air hole 7 is the intercommunicating pore of gas outlet joint 8 and air channel 4; Described gas chromatographic column interface 1, mixed gas intake interface 2 and the interface 8 of giving vent to anger are the little structure of large, the inner bore of outer end bore, and have helicitic texture in the outer end heavy caliber part of mixed gas intake interface 2 and the interface 8 of giving vent to anger; Described main body screw hole 6 is positioned at the bottom surface of air chamber main body, is three, is positioned on same circumference, and the angle of every two screw holes and circle center line connecting is 120 °, for trip bolt 10 is installed; Described air chamber cover 9 is installed on air chamber bottom surface, above has six holes, lays respectively on two circumference, three holes of outer ring are screw hole 91, match, for trip bolt 10 is installed with main body screw hole 6, three holes of inner ring are pin hole 92, for the pin of optic ionized sensor is shelved hole; Described trip bolt 10 is arranged in the main body screw hole 6 of air chamber bottom surface through the screw hole 91 of air chamber cover 9 outer rings, is used for fastening optic ionized sensor.
The principle of work of the utility model air chamber: optic ionized sensor is arranged in cavity 5, makes optic ionized sensor air intake opening just to gas chromatographic column interface 1, optic ionized sensor is fastened in cavity 5 with trip bolt 10 and air chamber cover 9; When test gas chromatography, gas chromatographic column is connected with gas chromatographic column interface 1, gas chromatographic column is fixed to 1 li, gas chromatographic column interface by chromatographic column fastening clips, gas in gas chromatographic column is by entering air channel 4 with the just right air hole of sensor air intake opening, gas is entered sensor and reacts from optic ionized sensor air intake opening by air channel 4, and unnecessary gas is discharged to by air hole 7 interface 8 of giving vent to anger and discharges; When test mixing gas, flexible pipe is connected with mixed gas intake interface 2, mixed gas in flexible pipe enters air channel 4 by mixed gas intake interface 2, gas is entered sensor and reacts from sensor air intake opening by air channel 4, and unnecessary gas is discharged to by air hole 7 interface 8 of giving vent to anger and discharges.
The utility model is not addressed part and is applicable to prior art.
Claims (4)
1. a multi-usage optic ionized sensor air chamber, this air chamber comprises gas chromatographic column interface, mixed gas intake interface, bellmouth, air channel, cavity, main body screw hole, air hole, the interface of giving vent to anger, air chamber cover and trip bolt; This air chamber main part is pertusate structure in a solid cylinder, is assembled into a complete structure with air chamber cover and trip bolt; It is characterized in that, described cavity is a cylindrical cavity of 3/5 that hollows out air room height from air chamber bottom surface, and its size can be held optic ionized sensor, and the air channel being directly communicated with it is together arranged at the top of cavity; Described gas chromatographic column interface, mixed gas intake interface and the interface of giving vent to anger are all positioned at the upper end face of air chamber and are communicated with by three road clear openings respectively with air channel; Described bellmouth is the hole of gas chromatographic column interface and air channel junction, and described air hole is the intercommunicating pore of gas outlet joint and air channel; Described main body screw hole is positioned at the bottom surface of air chamber main body; Described air chamber cover is installed on air chamber bottom surface, above has screw hole and pin hole, and screw hole matches with main body screw hole, and pin hole matches with the pin of optic ionized sensor; Described trip bolt is arranged in the main body screw hole of air chamber bottom surface through the screw hole of air chamber cover.
2. multi-usage optic ionized sensor air chamber according to claim 1, it is characterized in that: described gas chromatographic column interface, mixed gas intake interface and the interface of giving vent to anger are the little structure of large, the inner bore of outer end bore, and have helicitic texture in the outer end heavy caliber part of mixed gas intake interface and the interface of giving vent to anger.
3. multi-usage optic ionized sensor air chamber according to claim 1, is characterized in that: described main body screw hole is three, is positioned on same circumference, and the angle of every two screw holes and circle center line connecting is 120 °.
4. multi-usage optic ionized sensor air chamber according to claim 1, is characterized in that: the screw hole on described air chamber cover and pin hole are three, lays respectively on two circumference, and three holes of outer ring are screw hole, and three holes of inner ring are pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225981.5U CN203838131U (en) | 2014-05-05 | 2014-05-05 | Multipurpose photoionization sensor gas chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225981.5U CN203838131U (en) | 2014-05-05 | 2014-05-05 | Multipurpose photoionization sensor gas chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838131U true CN203838131U (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420225981.5U Expired - Fee Related CN203838131U (en) | 2014-05-05 | 2014-05-05 | Multipurpose photoionization sensor gas chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203838131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675710A (en) * | 2016-04-05 | 2016-06-15 | 深圳市诺安环境安全股份有限公司 | Ionization chamber and photoionization sensor |
-
2014
- 2014-05-05 CN CN201420225981.5U patent/CN203838131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675710A (en) * | 2016-04-05 | 2016-06-15 | 深圳市诺安环境安全股份有限公司 | Ionization chamber and photoionization sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20180505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |