CN205026731U - Automatic ignition and detection device of FID detector - Google Patents
Automatic ignition and detection device of FID detector Download PDFInfo
- Publication number
- CN205026731U CN205026731U CN201520356302.2U CN201520356302U CN205026731U CN 205026731 U CN205026731 U CN 205026731U CN 201520356302 U CN201520356302 U CN 201520356302U CN 205026731 U CN205026731 U CN 205026731U
- Authority
- CN
- China
- Prior art keywords
- fid detector
- mount pad
- pad body
- magnesium carbide
- automatic ignition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- UPKIHOQVIBBESY-UHFFFAOYSA-N magnesium;carbanide Chemical compound [CH3-].[CH3-].[Mg+2] UPKIHOQVIBBESY-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model provides an automatic ignition and detection device of FID detector for whether the ignition operation of detecting the FID detector succeeds, its characterized in that, set up in FID detector nozzle upper portion, include: the mounting seat body is provided with an isolation cover, the isolation cover is provided with an opening, and the mounting seat body and the isolation cover form a semi-closed cavity; the upper part of the connecting seat is connected with the mounting seat body; a plurality of humidity detection devices, wherein one part of the humidity detection devices is arranged on the upper side surface of the mounting seat body, and the other part of the humidity detection devices is arranged on the lower side surface of the mounting seat body; an ignition device, including a magnesium carbide ignition stick and with the power that the magnesium carbide ignition stick links to each other, the magnesium carbide ignition stick set up in on the mount pad body.
Description
Technical field
The utility model belongs to detecting instrument technical field, relates to the integrated apparatus detected for the automatic ignition of fid detector and ignition results.
Background technology
Fid detector is the checkout equipment that chromatograph is conventional, and fid detector in use needs to carry out ignition operation, and whether some occasion needs successfully to detect igniting, to judge whether to need to carry out regnition.Conventional pulsed high voltage arc mode carries out the igniting of fid detector now, and this method can produce higher pulse signal in the moment of igniting, needs chromatogram instrument to have good ground connection and stronger antijamming capability.The detection of igniting success or not has multiple method at present, such as input one particular medium to detector after firing, if light a fire successfully, corresponding signal can be produced after this agent burns, if loss of ignition, this signal can not be produced, whether detection probe exists by detecting this signal, judges that whether igniting is successful.
Utility model content
Technical problem to be solved in the utility model is the above-mentioned defect for prior art, provides a kind of automatic ignition and checkout gear of fid detector, can automatic ignition and judge igniting whether successfully integrated apparatus.
The automatic ignition of a kind of fid detector that the utility model provides and checkout gear, whether successful for the ignition operation detecting fid detector, it is characterized in that, be arranged at described fid detector nozzle top, comprise:
One mount pad body, it is arranged a cage, and described cage is provided with an opening, and described mount pad body and described cage form a semi-enclosed cavity;
The Connection Block of one cylindrical shape, described Connection Block top is connected with described mount pad body;
One controls the multiple humidity detectors whether described igniter continues igniting, and a described multiple humidity detector part is arranged at described mount pad body upper side, and another part is arranged at described mount pad body downside;
One igniter, the power supply comprising a magnesium carbide fire rod and be connected with described magnesium carbide fire rod, described magnesium carbide fire rod is arranged on described mount pad body.
The automatic ignition of above-mentioned fid detector and checkout gear, also comprise the temperature-detecting device whether described magnesium carbide fire rod of a detection is abnormal, described temperature-detecting device is arranged on described mount pad body, and is positioned at the side of described magnesium carbide fire rod.
The automatic ignition of above-mentioned fid detector and checkout gear, described magnesium carbide fire rod to be arranged on described mount pad body and to extend in described Connection Block.
The automatic ignition of above-mentioned fid detector and checkout gear, the side of described Connection Block is provided with air vent.
The automatic ignition of above-mentioned fid detector and checkout gear, described air vent is near described mount pad body.
The automatic ignition of above-mentioned fid detector and checkout gear, is characterized in that, described humidity detector is four humidity sensors, is symmetricly set in the both sides up and down of described magnesium carbide fire rod respectively.
The automatic ignition of above-mentioned fid detector and checkout gear, described magnesium carbide fire rod is apart from described fid detector nozzle 18 ~ 22mm.
The automatic ignition of above-mentioned fid detector and checkout gear, described temperature-detecting device is a thermocouple, and described thermocouple is 5mm apart from the distance of described magnesium carbide fire rod.
The automatic ignition of above-mentioned fid detector and checkout gear, described mount pad body and described cage are spirally connected, and described mount pad body and described Connection Block are spirally connected.
Technique scheme has following beneficial effect:
1, magnesium carbide fire rod is struck sparks without the need to high voltage supply, and effective means high pressure is to the interference of appliance circuit;
2, the humidity sensor of mount pad upper and lower sides is all in hemi-closure space, detects difference large, effectively improves Detection results;
3, adopt cage to carry out external isolation to magnesium carbide fire rod, thermocouple, humidity sensor, reduce and the electromagnetism of outside is bothered, and effectively keep the stable of humidity sensor ambient air humidity.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is the automatic ignition of the utility model fid detector and the structural representation of checkout gear;
Wherein Reference numeral is:
1. mount pad
2. cage
21 semi-enclosed cavity
3. Connection Block
31 cavitys
4. temperature detector
5. magnesium carbide fire rod
6. humidity detector
7.FID detector
Detailed description of the invention
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail:
Fig. 1 is the automatic ignition of the utility model fid detector and the structural representation of checkout gear one embodiment, comprises mount pad body 1, cage 2, Connection Block 3, temperature detector 4, magnesium carbide fire rod 5, temperature detector 6.
One mount pad body 1, is provided with a cage 2, is provided with an opening above cage 2, and cage 2 and mount pad body 1 form a semi-enclosed cavity 21.
One columnar Connection Block 3, the top of Connection Block 3 is connected with mount pad body, namely mount pad body surrounds a cavity 31 as a lid and columnar Connection Block 3, the bottom of Connection Block 3 is fid detector 7, Connection Block 3 is provided with two symmetrical air vents 32 near one end of mount pad body 1, entered in this cavity 31 by fid detector 7 from chromatogram combustion gas (as hydrogen) and combustion-supporting gas (as air).
One igniter, the power supply (not shown) comprising a magnesium carbide fire rod 5 and be connected with this magnesium carbide fire rod 5, magnesium carbide fire rod 5 to be arranged on mount pad body 1 and to extend in cavity 31, and magnesium carbide fire rod 5 one end is that magnesium carbide fire rod is apart from described fid detector nozzle about 18 ~ 22mm apart from the distance of fid detector nozzle.
Multiple humidity detector 6, whether light a fire successfully in order to detect described igniter, the humidity detector that the utility model adopts is humidity sensor, preferably four humidity sensors, those humidity sensors are symmetricly set in the both sides up and down of mount pad body 1, further in detail it, wherein two humidity sensor symmetries are arranged on magnesium carbide fire rod 5 both sides, be positioned at semiclosed cavity 21, two other humidity sensor is also installed on magnesium carbide fire rod 5 both sides, is positioned at cavity 31.
One temperature-detecting device 6, whether abnormal in order to detect described magnesium carbide fire rod 5, temperature-detecting device 6 is arranged on mount pad body 1, and be positioned at the side of magnesium carbide fire rod 5, the temperature-detecting device 6 that the utility model adopts is thermocouple, and thermocouple is 5mm apart from the distance of magnesium carbide fire rod 5.
Cage 2 is spirally connected with mount pad body 1 and is connected, and mount pad body 1 is also spirally connected with columnar Connection Block 33 and is connected.
For the working mechanism of the automatic ignition and checkout gear that further describe this fid detector, especially exemplified by following examples.
After chromatograph runs, chromatogram combustion gas (as hydrogen) and combustion-supporting gas (as air) enter in cavity 31 by the nozzle of fid detector, magnesium carbide fire rod is powered, be heated to fired state in 10 seconds to light a fire, be arranged at and carry out Humidity Detection at four humidity sensors of mount pad 2 upper and lower sides, before lighting a fire successfully, there is not combustion oxidation reaction in combustion gas and combustion-supporting gas, a large amount of steam would not be produced, in this case, relative humidity numerical value in four humidity sensor ambient airs is close, i.e. signal difference very little (within 5%), if light a fire successfully, combustion oxidation reaction can produce a large amount of steam, in this case, the relative humidity numerical value that two humidity sensors that namely two humidity sensors on the downside of mount pad 2 are positioned at cavity 31 detect is much larger than the detection numerical value of humidity sensor being arranged on semi-enclosed cavity 21, the signal difference that generally both relative humidity numerical value is corresponding very large (more than 20%), illustrate and light a fire successfully, magnesium carbide fire rod 5 can be disconnected power, if the difference of humidity sensor is constant, illustrate that igniting is unsuccessful, then magnesium carbide fire rod 5 continued power, until light a fire successfully.Thermocouple, for detecting the running status of magnesium carbide fire rod 5, if magnesium carbide fire rod 5 temperature does not raise or magnesium carbide fire rod 5 temperature successfully of lighting a fire does not reduce when lighting a fire, then illustrates magnesium carbide fire rod 5 exception.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the utility model.
Claims (9)
1. the automatic ignition of fid detector and a checkout gear, for detecting the ignition operation whether success of fid detector, is characterized in that, be arranged at described fid detector nozzle top, comprising:
One mount pad body, it is arranged a cage, and described cage is provided with an opening, and described mount pad body and described cage form a semi-enclosed cavity;
The Connection Block of one cylindrical shape, described Connection Block top is connected with described mount pad body;
Multiple humidity detector, a described multiple humidity detector part is arranged at described mount pad body upper side, and another part is arranged at described mount pad body downside;
One igniter, the power supply comprising a magnesium carbide fire rod and be connected with described magnesium carbide fire rod, described magnesium carbide fire rod is arranged on described mount pad body.
2. the automatic ignition of fid detector as claimed in claim 1 and checkout gear, it is characterized in that, also comprise the temperature-detecting device whether described magnesium carbide fire rod of a detection is abnormal, described temperature-detecting device is arranged on described mount pad body, and is positioned at the side of described magnesium carbide fire rod.
3. the automatic ignition of fid detector as claimed in claim 1 and checkout gear, is characterized in that, described magnesium carbide fire rod to be arranged on described mount pad body and to extend in described Connection Block.
4. the automatic ignition of fid detector as claimed in claim 1 and checkout gear, it is characterized in that, the side of described Connection Block is provided with air vent.
5. the automatic ignition of fid detector as claimed in claim 4 and checkout gear, it is characterized in that, described air vent is near described mount pad body.
6. the automatic ignition of fid detector as claimed in claim 1 and checkout gear, it is characterized in that, described humidity detector is four humidity sensors, is symmetricly set in the both sides up and down of described magnesium carbide fire rod respectively.
7. the automatic ignition of fid detector as claimed in claim 1 and checkout gear, it is characterized in that, described magnesium carbide fire rod is apart from described fid detector nozzle 18 ~ 22mm.
8. the automatic ignition of fid detector as claimed in claim 2 and checkout gear, it is characterized in that, described temperature-detecting device is a thermocouple, and described thermocouple is 5mm apart from the distance of described magnesium carbide fire rod.
9. the automatic ignition of fid detector as claimed in claim 1 and checkout gear, it is characterized in that, described mount pad body and described cage are spirally connected, and described mount pad body and described Connection Block are spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520356302.2U CN205026731U (en) | 2015-05-28 | 2015-05-28 | Automatic ignition and detection device of FID detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520356302.2U CN205026731U (en) | 2015-05-28 | 2015-05-28 | Automatic ignition and detection device of FID detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026731U true CN205026731U (en) | 2016-02-10 |
Family
ID=55259254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520356302.2U Expired - Fee Related CN205026731U (en) | 2015-05-28 | 2015-05-28 | Automatic ignition and detection device of FID detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026731U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501447A (en) * | 2019-08-19 | 2019-11-26 | 深圳市恒富盛科技有限公司 | Ignition method, system, device and the readable storage medium storing program for executing of hydrogen flame detector |
| CN114019071A (en) * | 2022-01-06 | 2022-02-08 | 华电智控（北京）技术有限公司 | Portable hydrogen flame ionization detector |
-
2015
- 2015-05-28 CN CN201520356302.2U patent/CN205026731U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501447A (en) * | 2019-08-19 | 2019-11-26 | 深圳市恒富盛科技有限公司 | Ignition method, system, device and the readable storage medium storing program for executing of hydrogen flame detector |
| CN114019071A (en) * | 2022-01-06 | 2022-02-08 | 华电智控（北京）技术有限公司 | Portable hydrogen flame ionization detector |
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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: 20160210 |