CN205404546U - Automatic gas sensor test box is used in accuse temperature laboratory - Google Patents
Automatic gas sensor test box is used in accuse temperature laboratory Download PDFInfo
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- CN205404546U CN205404546U CN201620166909.9U CN201620166909U CN205404546U CN 205404546 U CN205404546 U CN 205404546U CN 201620166909 U CN201620166909 U CN 201620166909U CN 205404546 U CN205404546 U CN 205404546U
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- main box
- gas sensor
- main tank
- temperature
- cooler bin
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Abstract
The utility model relates to an automatic gas sensor test box is used in accuse temperature laboratory, can effectively solve the problem that environment that the laboratory is arranged in gas sensor test procedure was supported, existing in a fixed tray, the main tank body is hollow structure, main tank side face is provided with the movable door plank of reassembling type, the both sides of the main tank body are provided with air inlet and gas outlet respectively, the internal bottom of main tank is provided with the heating wire, the top of the main tank body is provided with the light source, the main tank is internal to be provided with vertical slide bar, it can have along its long making progress to set up on the slide bar, slide down and fixed otter board, the temperature sensor who sets up side by side is equipped with on the otter board respectively, pressure sensor and the gas sensor who awaits measuring, main tank body top is provided with the cooler bin, the heating wire, the light source, temperature sensor and pressure sensor link to each other with the controller that sets up on the main tank body or cooler bin respectively, the utility model discloses possess the interior temperature of automatic control box, pressure and light conditions's function, can realize that skew ambient condition's experiment requires the condition test.
Description
Technical field
This utility model relates to gas sensor test equipment, particularly a kind of temperature automatically controlled use for laboratory gas sensor test case.
Background technology
Sensing technology is the technology developed rapidly in the modern times, also it is a technology attracting people's attention, gas sensor be a kind of can by the volume fraction of some gas in environment, the converter apparatus that becomes grading information to convert the corresponding signal of telecommunication to, it can also be combined with computer science at present, it is achieved detection, monitoring, warning etc. automatically.Gas detects or tests gas sensor process only has gas sensor to be not all right, it is necessary to a complete gas detecting system, and wherein the place of detected gas and container play very important effect.Main Function is to need to provide assigned temperature, pressure, illumination, an air-flow and being easy to observe to sensor and the support of more conversion materials.Test environment used by current laboratory is all that tester provides voluntarily, lacks parameter regulatory function and the uniformity of system, and experiment effect cannot ensure, causes experimental result poor repeatability, and experimental data error is bigger.Therefore, improvement and innovation to the gas sensor test case of use for laboratory have huge market.
Utility model content
For above-mentioned situation, for overcoming the defect of prior art, the purpose of this utility model is just to provide a kind of temperature automatically controlled use for laboratory gas sensor test case, the problem that can effectively solve use for laboratory Environmental Support in gas sensor test process.
The technical scheme that this utility model solves is, a kind of temperature automatically controlled use for laboratory gas sensor test case, including main box, main box is hollow structure, main box side is provided with the movable doorboard of reassembling type, the both sides of main box are respectively arranged with air inlet and gas outlet, main box inner bottom part is provided with heating wire, the top of main box is provided with light source, vertical slide bar it is provided with in main box, slide bar is arranged and can have along its length upwards, lower slider and fixing web plate, web plate is respectively provided with the temperature sensor being arranged side by side, pressure transducer and gas sensor to be measured, main box top is provided with the cooler bin that main box inner space can be made to lower the temperature, heating wire, light source, temperature sensor is connected with the controller being arranged on main box or cooler bin respectively with pressure transducer.
This utility model novel structure is unique, simple to operate, easily produce, cost is low, possesses the function of automatic control box body temperature, pressure and illumination condition, can regulating gas sensor test position, density is big or that density is little special gas test has very big advantage, possesses cooler bin and heater strip, the requirement of experiment condition test of deviation environmental condition can be realized, easy to use, effective, it is that laboratory carries out the innovation on the equipment of gas sensor test and research.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is section right view of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Provided by Fig. 1 to Fig. 3, this utility model includes main box, main box 2 is hollow structure, main box 2 side is provided with the movable doorboard 8 of reassembling type, the both sides of main box 2 are respectively arranged with air inlet 9 and gas outlet 12, main box 2 inner bottom part is provided with heating wire 20, the top of main box is provided with light source 21, vertical slide bar 14 it is provided with in main box, slide bar is arranged and can have along its length upwards, lower slider and fixing web plate 18, web plate is respectively provided with the temperature sensor 15 being arranged side by side, pressure transducer 16 and gas sensor 17 to be measured, main box top is provided with the cooler bin 1 that main box inner space can be made to lower the temperature, heating wire 20, light source 21, temperature sensor 15 is connected with the controller 3 being arranged on main box or cooler bin respectively with pressure transducer 16.
For ensureing result of use, described web plate 18 is contained on slide bar through sliding sleeve 13, sliding sleeve is provided with for fixing clamping screw 22, constitutes the bascule that web plate slides up and down along slide bar and fixes；
Described movable doorboard 8 is on the oral area that snap close 5 covers main box side so that it is seals, snap close is provided with the fastening bolt 6 for fixing movable doorboard, is provided with sealing ring 19 between movable doorboard and main box；
Described cooler bin 1 is hollow structure, the top board 2a of main box is as the base plate of cooler bin, cooler bin top is provided with charging aperture 24, charging aperture 24 is provided with the first electromagnetic valve 23 being connected with controller, the bottom of cooler bin is provided with discharge outlet 4, filling the second electromagnetic valve 11 being connected with controller in discharge outlet, the top board 2a of main box is that Heat Conduction Material is made；
Described air inlet has multiple, each air inlet with gas outlet is provided with the electromagnetic valve 10 being connected with controller；
Described main box is provided with uniform multiple forceful electric power binding post 7a and multiple uniform light current binding post 7b, for connecting power line and the holding wire of each electric elements；
Described light source is a kind of in ultraviolet light, daylight lamp, infrared lamp；
Between described cooler bin 1 and each side plate of main box 2 and base plate all bonding tightly, air tight no leakage；The top board 2a of main box 2 adopts Heat Conduction Material to make, and remaining panel adopts transparency glass plate to make,
Described controller respectively with heating wire 20, light source 21, temperature sensor 15, pressure transducer 16, pressure transducer 16, first valve, second valve and the 3rd valve are connected, its overall work is controlled comprehensively, it should be noted that, controller is commercially available prod (prior art), DH-FFU-L01 type controller such as Guangzhou Science and Technology Ltd. of great Hong automatization, the on off operating mode of electrothermal wire power in main box and the conducting state of each electromagnetic valve can be controlled according to the Monitoring Data of temperature sensor and pressure transducer, controller can also according to the on off operating mode of light source power in the illumination condition control chamber body of user's setting, thus arranging temperature voluntarily, pressure and illumination parameter；Described temperature sensor, pressure transducer are commercially available prod, it is possible to adopt the temperature and pressure transmitter of integration, such as Guangzhou compass sensor Instrument Ltd. PTB706 pressure and temp one transmitter.
Service condition of the present utility model is:
1. the power line of the light source 21 in main box 2 and the power line of heating wire 20 are connected to forceful electric power binding post 7a correspondence position inside main tank, outside casing, light source binding post and heating wire binding post are connected to the correspondence position of controller.Power supply and the holding wire of main box pressure sensor, temperature sensor are connected on the light current binding post 15 inside main tank, outside casing, are connected respectively on controller by light current binding post correspondence position.Gas sensor to be measured is placed on web plate 18, (during as little in detection hydrogen, methane isodensity gas, web plate to be in eminence to regulate the height of web plate on slide bar, and web plate to be in lower when detecting carbon dioxide, toluene isodensity big gas), gas sensor wire is connected on the light current binding post inside main tank, outside casing, corresponding binding post is connected on computer or specific detector, the seal washer of main tank door-plate on pad, press movable doorboard, tighten four snap closes；
2. check the closed mode of discharge outlet 16, air inlet 5, gas outlet 6, charging aperture, opening power, main tank body temperature and pressure condition is checked by the temperature inside the box and the pressure signal of pressure, temperature sensor feedback, if main tank body temperature requires temperature higher than gas detecting, then open the first electromagnetic valve on cooler bin charging aperture, ice cube (as temperature requirement is lower, liquid nitrogen can be inputted in cooler bin) is inputted, until main tank body temperature reaches testing requirement to cooler bin 1.The water that in process, in cooler bin, ice melting generation is unnecessary can be opened discharge outlet 16 and discharge；If main tank body temperature requires temperature lower than gas detecting, then setting heating-up temperature by controller, the heating wire in main box opened by controller according to setting value, makes the temperature in main box reach to set requirement；
3. gas to be measured being connected on an interface of air inlet, protection gas (such as nitrogen) being connected on another interface of air inlet, if needing the third gas, it may be connected on the 3rd interface of air inlet；
4. in main box, it is filled with this gas according to the requirement concentration of detected gas corresponding to gas sensor to be measured, carries out gas sensor detection；
5. when changing gas concentration in case, open gas outlet, close the air inlet that detected gas is corresponding, open the air inlet that nitrogen is corresponding, slowly inflation 5-15 minute, displaces the raw-gas in main box 2, closes gas outlet, close the air inlet that nitrogen is corresponding, be filled with detected gas according still further to gas detecting concentration requirement；
6. after having detected, close power supply, close the air inlet that detected gas is corresponding, open gas outlet, open the air inlet that nitrogen is corresponding, slow inflated with nitrogen 5-15 minute, gas displacement in main tank is fallen (such as some toxic gas carbon monoxide, benzene etc., can not directly open movable doorboard), unclamp the snap close on the movable doorboard of main box again, take down movable doorboard, gas sensor wire is taken off from light current binding post, take out gas sensor and can carry out data process, draw testing result.
Compared with prior art, this utility model novel structure is unique, advantages of simple, possessing auto-control testing conditions, independent closed detects the functions such as environment, it is possible to carry out development and the detection (especially for toxic and harmful) of multiple gases sensor in the lab, safety, easily operation, the life-span is long, and precision is high, easy to use, effective, it is the innovation on laboratory air sensor design aspect equipment, has good Social and economic benef@.And through test create same or like like result, as in the bioelectrochemical sensor research process carrying out methane gas, originally simply carry out in common atmospheric pressure sealed case, the temperature of research process is only indoor temperature, can not be adjusted according to testing requirement, also cannot promptly and accurately knowing and regulate loading pressure, often next concentration determination to be discharged residual gas after completing need to outdoor again to dismantle seal box and just can complete, time-consuming.And ensure owing to temperature, pressure are stable and test process is oversize etc. that factor will necessarily cause bigger error, the same concentration result relative standard deviation (RSD) that 5 times record under the same conditions even greater than 2%, the linear matching degree of certainty (R of test result of a series of gas concentrations2) it being even less than 0.978, this leverages the accuracy requirement that sensor must have as detection equipment.And after using temperature automatically controlled use for laboratory gas sensor test case of the present utility model, contrast under the same terms, the same concentration result RSD that 5 times record under the same conditions less than 0.15%, the test result R of a series of gas concentrations2More than 0.999., this absolutely proves the accuracy and the reliability that use this utility model to substantially increase gas sensor research.And, use the gas sensor detection parameter that this utility model can also obtain under condition of different temperatures and pressure condition easily, more authoritative more scientific data foundation can be provided for the product of sensors with auxiliary electrode.
Concrete data such as table 1 below, 2,
Table 1 is that same concentration methane is using this utility model and do not using the data and error statistics table that record with same sensor in this utility model situation
Table 2 is that a series of concentration methane is using this utility model and do not using the data and matching degree of certainty statistics that record with same sensor in this utility model situation
。
Claims (7)
- null1. a temperature automatically controlled use for laboratory gas sensor test case，Including main box，It is characterized in that，Main box (2) is hollow structure，Main box (2) side is provided with the movable doorboard (8) of reassembling type，The both sides of main box (2) are respectively arranged with air inlet (9) and gas outlet (12)，Main box (2) inner bottom part is provided with heating wire (20)，The top of main box is provided with light source (21)，Vertical slide bar (14) it is provided with in main box，Slide bar is arranged and can have along its length upwards、Lower slider and fixing web plate (18)，Web plate is respectively provided with the temperature sensor (15) being arranged side by side、Pressure transducer (16) and gas sensor (17) to be measured，Main box top is provided with the cooler bin (1) that main box inner space can be made to lower the temperature，Heating wire (20)、Light source (21)、Temperature sensor (15) is connected with the controller (3) being arranged on main box or cooler bin respectively with pressure transducer (16).
- 2. temperature automatically controlled use for laboratory gas sensor test case according to claim 1, it is characterized in that, described web plate (18) is contained on slide bar through sliding sleeve (13), sliding sleeve is provided with for fixing clamping screw (22), constitutes the bascule that web plate slides up and down along slide bar and fixes.
- 3. temperature automatically controlled use for laboratory gas sensor test case according to claim 1, it is characterized in that, described movable doorboard (8) covers on the oral area of main box side through snap close (5), snap close is provided with the fastening bolt (6) for fixing movable doorboard, between movable doorboard and main box, is provided with sealing ring (19).
- 4. temperature automatically controlled use for laboratory gas sensor test case according to claim 1, it is characterized in that, described cooler bin (1) is hollow structure, the top board (2a) of main box is as the base plate of cooler bin, cooler bin top is provided with charging aperture (24), charging aperture (24) is provided with the first electromagnetic valve (23) being connected with controller, the bottom of cooler bin is provided with discharge outlet (4), filling the second electromagnetic valve (11) being connected with controller in discharge outlet, the top board (2a) of main box is made for Heat Conduction Material.
- 5. temperature automatically controlled use for laboratory gas sensor test case according to claim 1, it is characterised in that described air inlet has multiple, each air inlet with gas outlet is provided with the 3rd electromagnetic valve (10) being connected with controller.
- 6. temperature automatically controlled use for laboratory gas sensor test case according to claim 1, it is characterised in that be provided with uniform multiple forceful electric power binding posts (7a) and multiple uniform light current binding post (7b) on described main box.
- 7. temperature automatically controlled use for laboratory gas sensor test case according to claim 1, it is characterised in that described light source is a kind of in ultraviolet light, daylight lamp, infrared lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620166909.9U CN205404546U (en) | 2016-03-04 | 2016-03-04 | Automatic gas sensor test box is used in accuse temperature laboratory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620166909.9U CN205404546U (en) | 2016-03-04 | 2016-03-04 | Automatic gas sensor test box is used in accuse temperature laboratory |
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| Publication Number | Publication Date |
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| CN205404546U true CN205404546U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620166909.9U Expired - Fee Related CN205404546U (en) | 2016-03-04 | 2016-03-04 | Automatic gas sensor test box is used in accuse temperature laboratory |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784931A (en) * | 2016-03-04 | 2016-07-20 | 河南工程学院 | Automatic temperature control test box of gas sensor for laboratory |
-
2016
- 2016-03-04 CN CN201620166909.9U patent/CN205404546U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784931A (en) * | 2016-03-04 | 2016-07-20 | 河南工程学院 | Automatic temperature control test box of gas sensor for laboratory |
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| Date | Code | Title | Description |
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| 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: 20160727 Termination date: 20170304 |
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| CF01 | Termination of patent right due to non-payment of annual fee |