CN202351201U - Gas concentration calibration box - Google Patents
Gas concentration calibration box Download PDFInfo
- Publication number
- CN202351201U CN202351201U CN2011204215663U CN201120421566U CN202351201U CN 202351201 U CN202351201 U CN 202351201U CN 2011204215663 U CN2011204215663 U CN 2011204215663U CN 201120421566 U CN201120421566 U CN 201120421566U CN 202351201 U CN202351201 U CN 202351201U
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- gas
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- glass casing
- sidewall
- grooved glass
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Abstract
The utility model provides a gas concentration calibration box, comprising a stainless steel frame, a trough type glass box body, a sample injection hole, a gas inlet, a sampling hole, two internal gas stirring fans, a power supply indicator lamp, an exhaust fan control switch, a control switch for the internal gas stirring fans, a main circuit control switch, an internal cable connecting plug, a main power supply plug and a vent, wherein the trough type glass box body is fixed on the stainless steel frame by virtue of bolts; the sample injection hole, the gas inlet and the sampling hole are arranged in the side wall of the trough type glass box body; one internal gas stirring fan is fixedly arranged on the internal side wall of the trough type glass box body by virtue of the bolts, and the other internal gas stirring fan is placed below the sample injection hole, is used for speeding up gasification of a liquid sample and is pasted with aluminium-foil paper; the power supply indicator lamp, the exhaust fan control switch, the control switch for the internal gas stirring fans, the main circuit control switch, the internal cable connecting plug and the main power supply plug are fixed on the side wall of the trough type glass box body by virtue of nuts; and the vent is arranged on the side wall of the trough type glass box body and an exhaust fan can be mounted by the vent. Compared with the prior art, the gas concentration calibration box has the advantages that relation between gas detection concentration of a gas sensor and output voltage can be conveniently and accurately measured, and the defect that accuracy of the measured data can be influenced by adhesive can be effectively avoided.
Description
Technical field
The utility model relates to a kind of gas concentration and demarcates case, specifically, relates to a kind of grooved glass casing through being bolted on the stainless steel stent and all parts are demarcated case through nut or the gas concentration that is bolted on the grooved glass casing.
Background technology
Gas sensor is a kind of converter that certain gas volume mark is changed into corresponding electric signal; The information translation such as composition, concentration that are about to gas become the device of the information that can be utilized by personnel, instrument and meter, computing machine etc., so the concentration of gas that gas sensor is surveyed and the relation between the gas sensor output voltage are one of most important parameters of sensor.Accurately guarantee this parameter to the quality that guarantees sensor, monitor confidence level and use feasible degree most important.Generally speaking, adopt pyrotechnics or lighter gas to spray and test, the flow of uncontrollable like this generation gas and concentration, the air chamber condition that test environment does not conform to the symbol regulation can't realize accurate test.
The normal required parts of bonding jelly stickup casing that adopt in the calibrating instrument that concerns between existing concentration that gas sensor is surveyed and the display voltage; Bonding jelly has certain influence to marked gas concentration and sensor performance, therefore can have influence on the accuracy of the pass coefficient value between gas concentration that gas sensor is surveyed and the gas sensor output voltage.
In addition; There are some gases directly to prepare; Can only be mixed with the liquid state of this gas, this gas becomes to have volatile liquid state under the perhaps common state, perhaps is present in the middle of the solution under the common state of this gas; But the relation between its gas concentration and the gas sensor output voltage is same very important, and general gas sensor can't be measured the concentration of this type gas standard specimen and the relation between the gas sensor output voltage accurately and effectively.
So, be necessary the calibrating instrument that concerns between above-mentioned gas concentration that sensor is surveyed and the display voltage is further improved, with avoid bonding jelly can have influence on the defective that is difficult to measure under the data accuracy of being surveyed and the special gas liquid state.
The utility model content
The utility model provides a kind of gas concentration and demarcate case, solved use in the existing gas concentration calibrating instrument bonding jelly can influence the defective that is difficult to measure under the numerical value accuracy of surveying and the special gas liquid state.
A kind of gas concentration that the utility model provides is demarcated case, is used to measure the concentration measurement of gas sensor and the relation between the display voltage, comprising:
Stainless steel frame;
Grooved glass casing is through being bolted on the said stainless steel frame;
Sample holes is opened on the sidewall of said grooved glass casing, and in said sample holes, inserts the ventilation bolt that nut is installed;
The internal gas agitation fan, wherein two through on the madial wall that is bolted to said grooved glass casing, another its surface paste aluminium-foil paper be placed on said sample holes under;
Air intake opening is opened on the sidewall of said grooved glass casing;
Power light, exhaust fan CS, two internal gas agitation fan CSs, way circuit CS are fixed on the sidewall of said grooved glass casing through nut successively;
Thieff hatch is opened on the sidewall of said grooved glass casing, and in said thieff hatch, inserts retaining valve is installed;
Inside cable attachment plug, general supply plug are fixed on the sidewall of said grooved glass casing through nut successively; And
Be opened on the sidewall of said grooved glass casing and the exhausr port of exhaust fan can be installed.
In addition, preferably, the quantity of said internal gas agitation fan is more than or equal to 3.
In addition, preferably, through bolt a gas admittance valve is installed at said air intake opening place; Said gas admittance valve comprises steel pipe and oscillating vane, and said steel pipe is fixed on the intake valve port place, and said oscillating vane is socketed on the steel pipe, and can be around said steel pipe swing.
In addition, preferably, said inside cable attachment plug is mounted on the sidewall of said grooved glass casing through another glass sheets.
In addition, preferably, also comprise the glass loam cake, said glass loam cake bottom surface is a groove structure, and said glass loam cake and said grooved glass casing four checkposts button join.
In addition, preferably, said grooved glass box house also is provided with insert row, and internal electric source is provided.
The gas concentration that has adopted the utility model to provide is demarcated case; For the user provides a desirable testing tool; Applied widely; Convenient and the gas detection concentration of measurement gas sensor and the relation between the output voltage exactly; And the employing of grooved glass casing is bolted on the stainless steel frame and all parts all adopt bolt or nut to be fixed on the grooved glass casing, does not use any bonding jelly, has avoided bonding jelly can influence the defective of test result accuracy; Can be used for fast liquid appearance being gasified through under sample holes, placing an internal gas agitation fan of pasting aluminium-foil paper in addition, can measure the correlation parameter of the special gas that is difficult to directly to be prepared into the gaseous state shape.
Description of drawings
Through below in conjunction with accompanying drawing embodiment being described, above-mentioned characteristic of the utility model and technological merit will become apparent and understand easily.
Fig. 1 is the structural representation that the gas concentration that provides of the utility model is demarcated case.
Among the figure:
11, stainless steel frame; 12, grooved glass casing;
21, sample holes; 22, power light;
23, exhaust fan CS;
24, paste the CS of the internal gas agitation fan of aluminium-foil paper;
25, the CS of other internal gas agitation fans;
26, way circuit CS; 4, internal gas agitation fan;
51, air intake opening; 52, operation valve;
61, thieff hatch; 62, inside cable attachment plug;
63, general supply plug; 64, glass plate;
71, exhausr port; 72, exhaust fan;
8, glass loam cake.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further detailed description.
In the following description; Only some example embodiment of the utility model is described through the mode of explanation; Undoubtedly; Those of ordinary skill in the art can recognize, under the situation of spirit that does not depart from the utility model and scope, can revise described embodiment with various different modes.Therefore, accompanying drawing be described in just illustratively in essence, rather than be used to limit the protection domain of claim.In addition, in this manual, identical Reference numeral indicates identical part.
Fig. 1 is the structural representation that the gas concentration of the utility model is demarcated case.As shown in Figure 1, gas concentration is demarcated case and is comprised: stainless steel frame 11; Grooved glass casing 12, grooved glass casing 12 adopts and is bolted on the stainless steel frame 11; Sample holes 21 is opened on the sidewall of grooved glass casing 12, and in sample holes 21, inserts the ventilation bolt that nut is installed; CS 24, the CS 25 of other internal gas agitation fans, the way circuit CS 26 of the internal gas agitation fan of power light 22, exhaust fan CS 23, stickup aluminium-foil paper; Be arranged on the sidewall of grooved glass casing 12 through nut successively, be used for display instrument duty and unlatching, cut off circuit; Internal gas agitation fan 4; Thieff hatch 61 is opened on the sidewall of grooved glass casing 12, and retaining valve insert to be installed in thieff hatch 61, is used for confirming the gas concentration of surveying, and seals at hose of a side socket of retaining valve, leaks gas when preventing to measure gas concentration; Inside cable attachment plug 62, general supply plug 63 are fixed on through nut on the sidewall of grooved glass casing successively, be used to pass out the data-signal of collection and power supply is provided; Exhausr port 71 is opened on the sidewall of grooved glass casing 12, and exhaust fan 72 can be installed.
Three internal gas agitation fans 4, near the upper end, madial wall diagonal angle that wherein two are installed in grooved glass casing 10, another its surface paste aluminium-foil paper and place it in sample holes 21 under.Unlatching be placed on sample holes 21 under during internal gas agitation fan 4; The heat that its fan rotates can make the liquid that is dropped in the aluminium-foil paper surface gasify rapidly; And be installed near the internal gas agitation fan 4 the madial wall diagonal angle upper end of grooved glass casing 10 through unlatching; Can form gaseous exchange rapidly in the grooved glass casing 12, formed gas is stirred rapidly.In addition, can adjust the quantity of internal gas agitation fan 4 according to the needs of assaying reaction, the quantity of the internal gas agitation fan 4 that this embodiment relates to is more than or equal to 3.
Gas concentration is demarcated case and also on sidewall, is offered air intake opening 51; Through bolt a gas admittance valve 52 is installed at air intake opening 51 places, gas admittance valve 52 comprises steel pipe and oscillating vane, and steel pipe is fixed on 52 mouthfuls of places of gas admittance valve; Oscillating vane and steel pipe socket, oscillating vane can be swung around steel pipe.In the time of need carrying out the exhaust operation, air admission hole 51 feeds the gas percussion oscillating vanes when opening exhaust fan 72, and oscillating vane can be around said stainless steel sleeve pipe swing; Be that gas admittance valve 52 is opened; Air intake opening 51 air inlets, exhausr port 71 exhausts, circulation airflow is surveyed gas with institute and is drained rapidly.
Because inside cable attachment plug 62 is combined with deviation with general supply plug 63 needed nuts and glass box body sidewall; Therefore inside cable attachment plug 62 remedies through the method with another glass sheets 64 combination thickenings with general supply plug 63 and works poor; Be mounted on glass casing 12 sidewalls; And it is inside and outside to be communicated with grooved glass box body 12, passes out the data-signal of collection and power supply is provided, and guaranteed the junction good sealing property.
The bottom surface of glass loam cake 8 is designed to groove structure; Glass loam cake 8 joins with grooved glass casing 12 4 checkposts button; Groove structure makes grooved glass casing 12 have good sealing property, and at glass loam cake 8 upper surfaces two grip is installed and is convenient to dismounting and loam cake is installed.
Grooved glass casing 12 inside also are provided with an insert row and are communicated with extraneous power supply, when needs provide power supply in grooved glass casing 12 inside, can the equipment plug be plugged on the insert row.
The gas concentration that the utility model provided is demarcated the case course of work, at first connects through inside and outside cable connector plug 62 and demarcates case internal electric source, data transfer signal connecting line, data acquisition equipment.Start the internal gas agitation fan 4 of pasting aluminium-foil paper then, its fan rotates the heat that produces and carries out preheating.Unload the nut that is used to seal on the sample holes 21 then; Sharp microsyringe injects the testing liquid standard specimens through sample holes 21, and sealing nut clogs sample holes, and testing liquid is dropped in the aluminium-foil paper surface that is placed on the internal gas agitation fan 4 under the sample holes 21; Its fan rotates the heat that produces gasifies testing liquid rapidly; Fan rotates also section and quickens the liquid surface air flow and make its rapid gasification, opens other internal gas agitation fans 4 again, forms gaseous exchange gas to be measured is mixed rapidly; Checkout equipment and port is provided with simultaneously in addition, data acquisition equipment is gathered desired data.The signal wire that links to each other through cable connector plug 62 then passes out the signals collecting data.After the last image data, when opening exhaust fan 72, oscillating vane is swung automatically, and gas admittance valve 52 is opened, and outside air gets in the casings through air intake opening 51, and the gas of feeding forms convection current drains internal gas rapidly, on sample holes 21 from new installation nut.Generally; Do not open thieff hatch 61, but when need confirming gas concentration to be measured, under the image data front dump, be installed in the hose on the retaining valve in the thieff hatch 61; Whether external unit is gathered the gas standard specimen through thieff hatch 61, measure gas concentration and meet the requirements.
Under the above-mentioned instruction of the utility model; Those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; For example change the position of associated components and perforate, change the quantity of internal gas agitation fan etc., and these improvement and distortion; All drop in the protection domain of the utility model; It will be understood by those skilled in the art that above-mentioned specific descriptions just explain the purpose of the utility model better, the protection domain of the utility model is limited claim and equivalent thereof.
Claims (6)
1. a gas concentration is demarcated case, is used to measure the concentration measurement of gas sensor and the relation between the display voltage, it is characterized in that, comprising:
Stainless steel frame;
Grooved glass casing is through being bolted on the said stainless steel frame;
Sample holes is opened on the sidewall of said grooved glass casing, and in said sample holes, inserts the ventilation bolt that nut is installed;
The internal gas agitation fan, wherein two through on the madial wall that is bolted to said grooved glass casing, another its surface paste aluminium-foil paper and place it in said sample holes under;
Air intake opening is opened on the sidewall of said grooved glass casing;
Power light, exhaust fan CS, two internal gas agitation fan CSs, way circuit CS are fixed on the sidewall of said grooved glass casing through nut successively;
Thieff hatch is opened on the sidewall of said grooved glass casing, and in said thieff hatch, inserts retaining valve is installed;
Inside cable attachment plug, general supply plug are fixed on the sidewall of said grooved glass casing through nut successively; And
Be opened on the sidewall of said grooved glass casing and the exhausr port of exhaust fan can be installed.
2. demarcate case according to the described gas concentration of claim 1, it is characterized in that,
The quantity of said internal gas agitation fan is more than or equal to 3.
3. demarcate case according to the described gas concentration of claim 1, it is characterized in that,
Through bolt a gas admittance valve is installed at said air intake opening place;
Said gas admittance valve comprises steel pipe and oscillating vane, and said steel pipe is fixed on the intake valve port place, and said oscillating vane is socketed on the steel pipe, and can be around said steel pipe swing.
4. demarcate case according to the described gas concentration of claim 1, it is characterized in that,
Said inside cable attachment plug is mounted on the sidewall of said grooved glass casing through another glass sheets.
5. demarcate case according to the described gas concentration of claim 1, it is characterized in that also comprise the glass loam cake, said glass loam cake bottom surface is a groove structure, said glass loam cake and said grooved glass casing four checkposts button join.
6. demarcate case according to the described gas concentration of claim 1, it is characterized in that:
Said grooved glass box house also is provided with insert row, and internal electric source is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204215663U CN202351201U (en) | 2011-10-28 | 2011-10-28 | Gas concentration calibration box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204215663U CN202351201U (en) | 2011-10-28 | 2011-10-28 | Gas concentration calibration box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351201U true CN202351201U (en) | 2012-07-25 |
Family
ID=46540197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204215663U Expired - Fee Related CN202351201U (en) | 2011-10-28 | 2011-10-28 | Gas concentration calibration box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351201U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548464A (en) * | 2015-12-04 | 2016-05-04 | 重庆市荣冠科技有限公司 | Gas sensor calibration device and calibration method |
| CN105929118A (en) * | 2016-07-19 | 2016-09-07 | 上海交通大学 | Gas detection device and method for applying same |
| CN106226355A (en) * | 2016-07-19 | 2016-12-14 | 上海交通大学 | A kind of air-sensitive detection device and using method thereof |
| CN110018274A (en) * | 2019-02-04 | 2019-07-16 | 北京东方智明科技有限公司 | A kind of gas detection sensor scaling method not depending on calibrating gas |
| CN110161178A (en) * | 2018-02-11 | 2019-08-23 | 艾欧史密斯(中国)热水器有限公司 | Gas concentration detection apparatus and detection method |
| CN111811898A (en) * | 2020-06-15 | 2020-10-23 | 大唐东北电力试验研究院有限公司 | Metallography is compound AC paper and is prepared instrument |
-
2011
- 2011-10-28 CN CN2011204215663U patent/CN202351201U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548464A (en) * | 2015-12-04 | 2016-05-04 | 重庆市荣冠科技有限公司 | Gas sensor calibration device and calibration method |
| CN105929118A (en) * | 2016-07-19 | 2016-09-07 | 上海交通大学 | Gas detection device and method for applying same |
| CN106226355A (en) * | 2016-07-19 | 2016-12-14 | 上海交通大学 | A kind of air-sensitive detection device and using method thereof |
| CN106226355B (en) * | 2016-07-19 | 2019-02-01 | 上海交通大学 | A kind of gas sensitive detection device and its application method |
| CN110161178A (en) * | 2018-02-11 | 2019-08-23 | 艾欧史密斯(中国)热水器有限公司 | Gas concentration detection apparatus and detection method |
| CN110161178B (en) * | 2018-02-11 | 2023-12-26 | 艾欧史密斯(中国)热水器有限公司 | Gas concentration detection device and detection method |
| CN110018274A (en) * | 2019-02-04 | 2019-07-16 | 北京东方智明科技有限公司 | A kind of gas detection sensor scaling method not depending on calibrating gas |
| CN111811898A (en) * | 2020-06-15 | 2020-10-23 | 大唐东北电力试验研究院有限公司 | Metallography is compound AC paper and is prepared instrument |
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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: 20120725 Termination date: 20151028 |
|
| EXPY | Termination of patent right or utility model |