CN204255714U - A kind of liquid capacity-fixed device analyzed for atmospheric sampling - Google Patents
A kind of liquid capacity-fixed device analyzed for atmospheric sampling Download PDFInfo
- Publication number
- CN204255714U CN204255714U CN201420668247.6U CN201420668247U CN204255714U CN 204255714 U CN204255714 U CN 204255714U CN 201420668247 U CN201420668247 U CN 201420668247U CN 204255714 U CN204255714 U CN 204255714U
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- CN
- China
- Prior art keywords
- constant volume
- box
- volume bottle
- seal box
- outer box
- 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
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- 239000007788 liquid Substances 0.000 title claims abstract description 54
- 238000005070 sampling Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 210000003739 neck Anatomy 0.000 claims description 23
- 230000002572 peristaltic effect Effects 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000008376 long-term health Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model provides a kind of liquid capacity-fixed device analyzed for atmospheric sampling, at least comprise the constant volume bottle of band inlet and liquid outlet, infrared transmitter outside constant volume bottle and infrared receiver is fixed on symmetry, be arranged with seal box outside described constant volume bottle and be sleeved on the outer box on seal box, constant volume bottle is vertically successively through outer box and seal box, and can move up and down in box and seal box outside, it is outside that the inlet of constant volume bottle and liquid outlet are all positioned at outer box, the pump be communicated with inlet by water pipe is provided with outside the inlet of constant volume bottle, liquid outlet is provided with solenoid valve, infrared transmitter and infrared receiver symmetry are fixed on the medial surface of outer box, described seal box is fixed with controller, and the input end of controller is electrically connected with infrared receiver, and output terminal is electrically connected with pump and solenoid valve, this volume fixing device compact conformation, volume is little, handling safety, simple and constant volume precision is high, applied widely.
Description
Technical field
The utility model relates to a kind of liquid capacity-fixed device, is specifically related to a kind of device utilizing infrared emitting/receiver to carry out high-precision liquid constant volume.
Background technology
Pollutant concentration in air general all lower (order of magnitude of quality-volumetric concentration is ppm ~ ppb), direct sampling method often can not meet the requirement of analytical approach detectability, therefore need to concentrate the pollutant in air with enrichment (concentrating) sampling method, the Concentration Sampling time is generally long, record the mean concentration that result represents sampling periods, more can reflect the truth of atmospheric pollution; The concrete method of sampling comprises solution absorption method, solid detention method, condenses method, natural productive set method etc., and wherein, solution absorption method application is more extensive.
Solution absorption method is the common method gathering gaseous state, vaporous and some aerosolized polluter in air, during sampling, to be equipped with in the absorption tube (bottle) of absorbing liquid with certain flow suction for surveying air with air extractor, after sampling terminates, pour out absorbing liquid to measure, according to the concentration recording pollutant in result and sampling volume calculating air.Because pollutant concentration is low, the minor deviations of absorbing liquid volume can affect greatly measurement result, therefore requires that the volume of absorbing liquid is accurate.Artificial volumetric soiutions is adopted at present in laboratory, but partially absorb the poisonous or corrosivity of liquid, volatile, the long-term health being engaged in the laboratory technician of dosing in laboratory is damaged, and time manually quantitatively, produce liquid level inclination owing to can tremble during hand-held constant volume bottle or rock, causing quantitative result inaccurate, affect the measuring accuracy of Air Pollutants.
Summary of the invention
The purpose of this utility model is to solve the deficiencies in the prior art and provides a kind of liquid capacity-fixed device analyzed for atmospheric sampling, easy to operate and solution constant volume precision is high.
Realizing the technical scheme that the utility model object adopts is, a kind of liquid capacity-fixed device analyzed for atmospheric sampling, at least comprise the constant volume bottle of band inlet and liquid outlet, infrared transmitter outside constant volume bottle and infrared receiver is fixed on symmetry, be arranged with seal box outside described constant volume bottle and be sleeved on the outer box on seal box, constant volume bottle is vertically successively through outer box and seal box, and can move up and down in box and seal box outside, it is outside that the inlet of constant volume bottle and liquid outlet are all positioned at outer box, the pump be communicated with inlet by water pipe is provided with outside the inlet of constant volume bottle, liquid outlet is provided with solenoid valve, infrared transmitter and infrared receiver symmetry are fixed on the medial surface of outer box, described seal box is fixed with controller, and the input end of controller is electrically connected with infrared receiver, and output terminal is electrically connected with pump and solenoid valve.
Described outer box and seal box are rectangular box.
The two relative side of seal box is provided with light hole, and light hole is positioned on infrared transmitter and infrared receiver place straight line.
The upper end of described constant volume bottle is spherical liquid storage neck, and lower end is elongated necks, and the inlet of constant volume bottle to be positioned on spherical liquid storage neck and to be communicated with spherical liquid storage neck, and the bottom of elongated necks is the liquid outlet of constant volume bottle.
The spherical liquid storage neck of volumetric flask is provided with vent port.
Described elongated necks is provided with scale.
Be provided with support column between seal box and outer box, the length of support column is greater than the length of infrared transmitter and infrared receiver.
Seal box is fixed by screws in outer box.
The two relative side of outer box is provided with the set bolt made by plastics or rubber, and the screw rod of set bolt is against on constant volume bottle through outer box and seal box.
Described pump is peristaltic pump.
As shown from the above technical solution, the volume fixing device that the utility model provides, is fixed by outer box and seal box and supports constant volume bottle, and guarantee that constant volume bottle is vertical all the time, liquid level keeps height level; Constant volume bottle can move up and down in seal box, therefore the constant volume value of solution can be changed according to the consumption of different solutions, constant volume process is controlled automatically to carry out by controller, and solution flows all the time in constant volume process in airtight container, experimenter contacts few with solution, avoid toxic solution to affect the healthy of experimenter.
This device measures liquid level by infrared transmitter and infrared receiver, because infrared transmitter and infrared receiver are all fixed in outer box, infrared ray arrives infrared receiver through the light hole that seal box is offered and is received by infrared receiver, outer box is light tight, therefore the ultrared interference in veiling glare or other sources can be avoided, avoid infrared receiver to send rub-out signal, therefore the constant volume precision of this volume fixing device is high.
Compared with prior art, the volume fixing device compact conformation that the utility model provides, volume is little, handling safety, simple and constant volume precision is high, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the volume fixing device that the utility model is supplied to.
Fig. 2 is the structural representation of constant volume bottle.
Wherein, 1-constant volume bottle, 1a-inlet, 1b-vent port, the spherical liquid storage neck of 1c-, 1d-scale, 1e-elongated necks, the outer box of 2-, 3-screw, 4-infrared transmitter, 5-support column, 6-seal box, 7-solenoid valve, 8-set bolt, 9-controller, 10-infrared receiver, 11-reagent bottle, 12-pump.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model done and illustrate in detail.
The liquid capacity-fixed device analyzed for atmospheric sampling that the utility model provides, its structure as shown in Figure 1, the outer box 2 being provided with seal box 6 outside constant volume bottle 1 and being sleeved on seal box, outer box and seal box are rectangular box, seal box is fixed in outer box by screw 3, the medial surface of outer box is symmetrically fixed with infrared transmitter 4 and infrared receiver 10, the two relative side of seal box is provided with light hole, light hole is positioned on infrared transmitter and infrared receiver place straight line, support column 5 is provided with between seal box and outer box, the length of support column is greater than the length of infrared transmitter and infrared receiver, outer box and seal box are equipped with through hole, constant volume bottle is arranged in the through hole of seal box and outer box and can moves up and down along through hole, the two relative side of outer box is provided with the set bolt 8 made by plastics or rubber, the screw rod of set bolt is against on constant volume bottle through outer box and seal box, the structure of constant volume bottle as shown in Figure 2, its upper end is spherical liquid storage neck 1c, lower end is elongated necks 1e, the inlet 1a of constant volume bottle to be positioned on spherical liquid storage neck and to be communicated with spherical liquid storage neck, the bottom of elongated necks is the liquid outlet of constant volume bottle, elongated necks is provided with scale 1d, spherical liquid storage neck is provided with vent port 1b, it is outside that the inlet of constant volume bottle and liquid outlet are all positioned at outer box, the pump 12 be communicated with inlet by water pipe is provided with outside the inlet of constant volume bottle, the preferred peristaltic pump of pump, pump is communicated with constant volume bottle and reagent bottle 11, liquid outlet is provided with solenoid valve 7, seal box is fixed with controller 9, the input end of controller is electrically connected with infrared receiver, output terminal is electrically connected with pump and solenoid valve and states.
During constant volume, according to the position in solution requirement adjustment constant volume bottle outside box, constant volume bottle is adjusted to corresponding scale place, be tightened screw subsequently, connect volume fixing device power supply, peristaltic pump works, solution in reagent bottle 11 is pumped in constant volume bottle, after liquid level arrives infrared ray place surface level, the infrared ray that infrared transmitter is launched is blocked by solution, and infrared receiver cannot receiving infrared-ray thus send signal to controller, and controller controls peristaltic pump and quits work, solenoid valve is opened simultaneously, by the solution discharge in constant volume bottle to absorbing in container.
Claims (10)
1. the liquid capacity-fixed device analyzed for atmospheric sampling, at least comprise the constant volume bottle of band inlet and liquid outlet, infrared transmitter outside constant volume bottle and infrared receiver is fixed on symmetry, it is characterized in that: be arranged with seal box outside described constant volume bottle and be sleeved on the outer box on seal box, constant volume bottle is vertically successively through outer box and seal box, and can move up and down in box and seal box outside, it is outside that the inlet of constant volume bottle and liquid outlet are all positioned at outer box, the pump be communicated with inlet by water pipe is provided with outside the inlet of constant volume bottle, liquid outlet is provided with solenoid valve, infrared transmitter and infrared receiver symmetry are fixed on the medial surface of outer box, described seal box is fixed with controller, and the input end of controller is electrically connected with infrared receiver, and output terminal is electrically connected with pump and solenoid valve.
2. the liquid capacity-fixed device analyzed for atmospheric sampling according to claim 1, is characterized in that: described outer box and seal box are rectangular box.
3. the liquid capacity-fixed device analyzed for atmospheric sampling according to claim 1, it is characterized in that: the two relative side of seal box is provided with light hole, light hole is positioned on infrared transmitter and infrared receiver place straight line.
4. the liquid capacity-fixed device analyzed for atmospheric sampling according to claim 1, it is characterized in that: the upper end of described constant volume bottle is spherical liquid storage neck, lower end is elongated necks, the inlet of constant volume bottle to be positioned on spherical liquid storage neck and to be communicated with spherical liquid storage neck, and the bottom of elongated necks is the liquid outlet of constant volume bottle.
5. the liquid capacity-fixed device analyzed for atmospheric sampling according to claim 4, is characterized in that: the spherical liquid storage neck of volumetric flask is provided with vent port.
6. the liquid capacity-fixed device analyzed for atmospheric sampling according to claim 4, is characterized in that: described elongated necks is provided with scale.
7. the liquid capacity-fixed device analyzed for atmospheric sampling according to claim 1, it is characterized in that: be provided with support column between seal box and outer box, the length of support column is greater than the length of infrared transmitter and infrared receiver.
8. the liquid capacity-fixed device analyzed for atmospheric sampling according to claim 1, is characterized in that: seal box is fixed by screws in outer box.
9. the liquid capacity-fixed device analyzed for atmospheric sampling according to claim 1, is characterized in that: the two relative side of outer box is provided with the set bolt made by plastics or rubber, and the screw rod of set bolt is against on constant volume bottle through outer box and seal box.
10. the liquid capacity-fixed device analyzed for atmospheric sampling according to claim 1, is characterized in that: described pump is peristaltic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668247.6U CN204255714U (en) | 2014-11-10 | 2014-11-10 | A kind of liquid capacity-fixed device analyzed for atmospheric sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668247.6U CN204255714U (en) | 2014-11-10 | 2014-11-10 | A kind of liquid capacity-fixed device analyzed for atmospheric sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204255714U true CN204255714U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420668247.6U Expired - Fee Related CN204255714U (en) | 2014-11-10 | 2014-11-10 | A kind of liquid capacity-fixed device analyzed for atmospheric sampling |
Country Status (1)
| Country | Link |
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| CN (1) | CN204255714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715715A (en) * | 2017-09-28 | 2018-02-23 | 天津天河分析仪器有限公司 | A kind of Multifunctional liquid dispensing instrument |
-
2014
- 2014-11-10 CN CN201420668247.6U patent/CN204255714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715715A (en) * | 2017-09-28 | 2018-02-23 | 天津天河分析仪器有限公司 | A kind of Multifunctional liquid dispensing 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: 20150408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |