CN203908828U - Quantitative gas sampler - Google Patents

Quantitative gas sampler Download PDF

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Publication number
CN203908828U
CN203908828U CN201420322429.8U CN201420322429U CN203908828U CN 203908828 U CN203908828 U CN 203908828U CN 201420322429 U CN201420322429 U CN 201420322429U CN 203908828 U CN203908828 U CN 203908828U
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CN
China
Prior art keywords
gas
sampling bottle
sampling
switch
gas outlet
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
Application number
CN201420322429.8U
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Chinese (zh)
Inventor
桂伟
常虹
鲍艳红
杨宏铭
杨亚枚
Original Assignee
桂伟
常虹
杨宏铭
杨亚枚
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 桂伟, 常虹, 杨宏铭, 杨亚枚 filed Critical 桂伟
Priority to CN201420322429.8U priority Critical patent/CN203908828U/en
Application granted granted Critical
Publication of CN203908828U publication Critical patent/CN203908828U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a quantitative gas sampler, which comprises a gas inlet pipe, a gas outlet pipe, a pump and a sampling bottle, as well as a switch timing device, a motor and a flowmeter, wherein the gas inlet pipe penetrates through the sampling bottle, the gas outlet pipe penetrates through the top surface of the sampling bottle, the gas outlet pipe end positioned outside the sampling bottle is connected with the inlet end of the flowmeter, a thermometer and a pressure meter are arranged on the gas outlet pipe, the positive electrode voltage output end of the motor is connected with the first end of the switch timing device, and the negative electrode voltage output end of the motor is connected with the second end of the switch timing device; the switch timing device consists of a switch, a timer and a power supply; the first end of the switch is the first end of the switch timing device, the negative electrode of the power supply is the second end of the switch timing device, the positive electrode of the power supply is connected with the first end of the timer, and the second end of the timer is connected with the second end of the switch. Through the flowmeter and the timer, the volume of the sampled gas can be obtained according to flow and time, and the quantitative sampling of gas samples can be realized.

Description

A kind of quantitative gas sampling thief
Technical field
The utility model relates to a kind of gas sampler, relates in particular to a kind of quantitative gas sampling thief.
Background technology
Gas sampler is for gathering the instrument routinely of atmospheric environment or operating environment gaseous sample, it is the pith of atmospheric environment and operating environment gas-monitoring and pick-up unit, existing gas sampler does not have the equipment of quantitative collection, therefore can not realize the quantitative collection of gas, during the detection of subsequent sample concentration, need increase workload to sample measurement, and existing gas sampler according to gather the sampling of heavily gas sampling and lighter-than-air gas select can not the combination of draft tube, gas outlet and sampling bottle, make the usable range of existing gas collecting device narrower.
Utility model content
The purpose of this utility model provides a kind of quantitative gas sampling thief with regard to being in order to address the above problem.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of quantitative gas sampling thief, comprise draft tube, gas outlet, aspiration pump and sampling bottle, described a kind of quantitative gas sampling thief also comprises switch timing device, motor and flowmeter, the end face of described sampling bottle is provided with through hole, described draft tube is through described through hole, described air inlet pipe end in described sampling bottle is positioned at the bottom of described sampling bottle, described gas outlet is through the end face of described sampling bottle, the described exhaust pipe end being positioned at outside described sampling bottle is connected with the entrance point of described flowmeter, described gas outlet is provided with thermometer and pressure gauge, the endpiece of described flowmeter is connected with the air intake opening of described aspiration pump by pipeline, pipeline between described flowmeter and described aspiration pump is provided with throttling valve, the impeller shaft of described aspiration pump is connected with the rotating shaft of described motor, the cathode voltage output terminal of described motor is connected with the first end of described switch timing device, the cathode voltage output terminal of described motor is connected with the second end of described switch timing device.
Particularly, described switch timing device is comprised of switch, timer and power supply, the first end of described switch is the first end of described switch timing device, the negative pole of described power supply is the second end of described switch timing device, the positive pole of described power supply is connected with the first end of described timer, and the second end of described timer is connected with the second end of described switch.
In said structure, in said structure, flowmeter and timer, make the utility model can draw according to flow and time the volume of sample gas, realizes the quantitative collection of gaseous sample.
More specifically, described gas outlet is comprised of heavy gas exhaust pipe and lighter-than-air gas gas outlet, described heavy gas exhaust pipe is connected by three-way pipe with described lighter-than-air gas gas outlet, described heavy gas exhaust pipe is through the end face of described sampling bottle, described heavy gas exhaust pipe end in described sampling bottle is positioned at the bottom of described sampling bottle, and the bottom of described lighter-than-air gas gas outlet is connected with the end face of described sampling bottle; Heavy gas exhaust pipe, lighter-than-air gas gas outlet and sampling bottle make the utility model can be suitable for the collection of heavy gas and lighter-than-air gas simultaneously, and usable range is wider; The described draft tube mouth of pipe being positioned at outside described sampling bottle is provided with filter membrane; Large particulate matter for gas; Described filter membrane is chlorinated polyvinyl chloride fibre filter membrane.
The beneficial effects of the utility model are:
The utility model is by flowmeter and timer, according to flow and time, draw the volume of sample gas, realize the quantitative collection of gaseous sample, the utility model is by heavy gas exhaust pipe, lighter-than-air gas gas outlet and sampling bottle, make the utility model can be suitable for the collection of heavy gas and lighter-than-air gas, usable range is wider simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of quantitative gas sampling thief of the utility model.
Fig. 2 is the structural representation of switch timing device.
In figure: 1-draft tube, 2-gas outlet, 3-thermometer, 4-aspiration pump, 5-switch timing device, 6-motor, 7-throttling valve, 8-flowmeter, 9-pressure gauge, 10-sampling bottle, the heavy gas exhaust pipe of 11-, 12-lighter-than-air gas gas outlet.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of quantitative gas sampling thief of the utility model, comprise draft tube 1, gas outlet 2, aspiration pump 4 and sampling bottle 10, a kind of quantitative gas sampling thief also comprises switch timing device 5, motor 6 and flowmeter 8, the end face of sampling bottle is provided with through hole, draft tube 1 is through through hole, draft tube 1 end in sampling bottle is positioned at the bottom of sampling bottle 10, gas outlet 2 is through the end face of sampling bottle 10, the exhaust pipe end 2 being positioned at outside sampling bottle 10 is connected with the entrance point of flowmeter 8, gas outlet 2 is provided with thermometer 3 and pressure gauge 9, the endpiece of flowmeter 8 is connected with the air intake opening of aspiration pump 4 by pipeline, pipeline between flowmeter 8 and aspiration pump 4 is provided with throttling valve 7, the impeller shaft of aspiration pump 4 is connected with the rotating shaft of motor 6, the cathode voltage output terminal of motor 6 is connected with the first end of switch timing device 5, the cathode voltage output terminal of motor 6 is connected with the second end of switch timing device 5.
As shown in Figure 2, switch timing device 5 is comprised of switch S, timer Q and power supply E, the first end of switch S is the first end of switch timing device 5, the negative pole of power supply E is the second end of switch timing device 5, the positive pole of power supply E is connected with the first end of timer Q, and the second end of timer Q is connected with the second end of switch S.
As shown in Figure 1, gas outlet 2 is comprised of heavy gas exhaust pipe 11 and lighter-than-air gas gas outlet 12, heavy gas exhaust pipe 11 is connected by three-way pipe with lighter-than-air gas 12 gas outlets, heavy gas exhaust pipe 11 is through the end face of sampling bottle 10, heavy gas exhaust pipe 11 ends in sampling bottle 10 are positioned at the bottom of sampling bottle 10, and the bottom of lighter-than-air gas gas outlet 12 is connected with the end face of sampling bottle 10; Draft tube 1 mouth of pipe being positioned at outside sampling bottle 10 is provided with filter membrane; Filter membrane is chlorinated polyvinyl chloride fibre filter membrane.
The utility model principle is as follows:
First start aspiration pump 4, the indication flow regulation of flowmeter 8, to required sampling flow, is modulated to the required time of sampling by timer Q, and S closes a switch, then start sampling, record the temperature and pressure of sampling flow, sampling time, sample, then at the exhausr port of aspiration pump 4, collect the gaseous sample gathering, after sampling finishes, take off sample, by the air intake opening sealing of draft tube 1, cut-off switch S, draws the volume of gas sampled according to flow and time.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; likely partial structurtes are made to some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (5)

1. a quantitative gas sampling thief, comprise draft tube, gas outlet, aspiration pump and sampling bottle, it is characterized in that: also comprise switch timing device, motor and flowmeter, the end face of described sampling bottle is provided with through hole, described draft tube is through described through hole, described air inlet pipe end in described sampling bottle is positioned at the bottom of described sampling bottle, described gas outlet is through the end face of described sampling bottle, the described exhaust pipe end being positioned at outside described sampling bottle is connected with the entrance point of described flowmeter, described gas outlet is provided with thermometer and pressure gauge, the endpiece of described flowmeter is connected with the air intake opening of described aspiration pump by pipeline, pipeline between described flowmeter and described aspiration pump is provided with throttling valve, the impeller shaft of described aspiration pump is connected with the rotating shaft of described motor, the cathode voltage output terminal of described motor is connected with the first end of described switch timing device, the cathode voltage output terminal of described motor is connected with the second end of described switch timing device.
2. a kind of quantitative gas sampling thief according to claim 1, it is characterized in that: described switch timing device is comprised of switch, timer and power supply, the first end of described switch is the first end of described switch timing device, the negative pole of described power supply is the second end of described switch timing device, the positive pole of described power supply is connected with the first end of described timer, and the second end of described timer is connected with the second end of described switch.
3. a kind of quantitative gas sampling thief according to claim 1, it is characterized in that: described gas outlet is comprised of heavy gas exhaust pipe and lighter-than-air gas gas outlet, described heavy gas exhaust pipe is connected by three-way pipe with described lighter-than-air gas gas outlet, described heavy gas exhaust pipe is through the end face of described sampling bottle, described heavy gas exhaust pipe end in described sampling bottle is positioned at the bottom of described sampling bottle, and the bottom of described lighter-than-air gas gas outlet is connected with the end face of described sampling bottle.
4. a kind of quantitative gas sampling thief according to claim 1, is characterized in that: the described draft tube mouth of pipe being positioned at outside described sampling bottle is provided with filter membrane.
5. a kind of quantitative gas sampling thief according to claim 4, is characterized in that: described filter membrane is chlorinated polyvinyl chloride fibre filter membrane.
CN201420322429.8U 2014-06-17 2014-06-17 Quantitative gas sampler Expired - Fee Related CN203908828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420322429.8U CN203908828U (en) 2014-06-17 2014-06-17 Quantitative gas sampler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420322429.8U CN203908828U (en) 2014-06-17 2014-06-17 Quantitative gas sampler

Publications (1)

Publication Number Publication Date
CN203908828U true CN203908828U (en) 2014-10-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420322429.8U Expired - Fee Related CN203908828U (en) 2014-06-17 2014-06-17 Quantitative gas sampler

Country Status (1)

Country Link
CN (1) CN203908828U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105784429A (en) * 2016-03-25 2016-07-20 中国地质大学(武汉) Passive air sampler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105784429A (en) * 2016-03-25 2016-07-20 中国地质大学(武汉) Passive air sampler

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141029

Termination date: 20150617