CN200968913Y - 4-channel atmospheric sampling instrument - Google Patents
4-channel atmospheric sampling instrument Download PDFInfo
- Publication number
- CN200968913Y CN200968913Y CN 200620130400 CN200620130400U CN200968913Y CN 200968913 Y CN200968913 Y CN 200968913Y CN 200620130400 CN200620130400 CN 200620130400 CN 200620130400 U CN200620130400 U CN 200620130400U CN 200968913 Y CN200968913 Y CN 200968913Y
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- CN
- China
- Prior art keywords
- circuit
- sample
- output digital
- control chip
- relay output
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Abstract
The utility model discloses a four gas circuits atmosphere sampling apparatus, which is comprised four separate air sample systems composing of an air pump and a flow meter in the same shell, and a time control unit and an electric power source. Wherein, the time control unit adopts a circuit relay output digital control chip, the circuit relay output digital control chip is respectively connected to the nixietube display circuit and sample control circuit, the sample control circuit is connected to the sample circuit through the relay switch K1. The utility model has the advantages of compact structure of complete machine, stable performance, and being portable; the air pump is a tiny sample pump and has the advantages of great pressure, strong load capacity, stable flow, low noise and etc; only one apparatus can complete the sample collecting of the benzene, the formaldehyde and the ammonia and TVOC in 20 minutes; thereby, the workload of sample staff is greatly reduced, the work efficiency is increased, and the human resource and material are save to one half to threequarter.
Description
Technical field:
The utility model relates to a kind of gas sampling instrument, relates in particular to a kind of four gas circuit atmosphere sampling instruments that are used to gather the indoor-outdoor air sample.
Background technology:
The development of big industrial economy has brought great raising and convenient for human culture life and material life; but the pollution that has thereupon also produced indoor-outdoor air simultaneously; therefore; to the monitoring of atmospheric environment with administer and caused the concern in the world, the responsibility that the various researchs and the measure of atmospheric environment protection become the whole mankind.
At present, in the monitoring of atmosphere, the atmosphere sampling mode that is adopted is single gas circuit and two gas circuit atmosphere sampling instrument, and this atmosphere sampling instrument is the instrument and equipment that airborne one or both harmful gases are gathered simultaneously; Harmful gases such as the formaldehyde when the civil building engineering final acceptance of construction in the reply room air, ammonia, benzene, TVOC detect.This just requires each sampled point is gathered four air samples respectively, and sampling process needs four single air channels sampling instrument and four supports; Promptly use two gas circuit atmospheric sampling instruments, also need to be with two sampling instruments, two supports.Therefore, this sample mode has increased sample collector's workload, inefficiency, causes the waste of manpower and materials.
Summary of the invention:
In order to overcome the above-mentioned shortcoming that present single gas circuit or two gas circuit atmosphere sampling instrument exist, the purpose of this utility model provides a kind of while multi-point sampling, controlling of sampling is accurate, alleviate the sample collector workload, increase work efficiency, reduce four gas circuit atmosphere sampling instruments of manpower and materials waste.
The technical solution of the utility model realizes in the following manner:
A kind of four gas circuit atmosphere sampling instruments, its employing is provided with four gas production systems that independently are made up of air pump and flowmeter and forms with time control unit and power supply in same housing, wherein, the time control unit mainly adopts No. one relay output digital control chip, No. one relay output digital control chip connects charactron display circuit, sample circuit control circuit respectively, and the sample circuit control circuit is connected with sample circuit by relay switch.
6～12 pin of described No. one relay output digital control chip connect 11,7,4,2,1,5,10 pin of charactron respectively, and the control charactron shows.
1,2,17,18 pin of described No. one relay output digital control chip connect 9,12,6,8 pin of charactron respectively, select the display digit of charactron.
The base stage of the triode of described sample circuit control circuit is connected with 13 pin of No. one relay output digital control chip, collector passes through to be connected with sample circuit C by relay switch.
Described sample circuit mainly is made up of four air pumps.
14 pin of described No. one relay output digital control chip are connected with power supply, and 15,16 pin connect crystal oscillating circuit, and the frequency that produces 4MHz behind power connection is for No. one relay output digital control chip operate as normal.
Characteristics of the present utility model are:
1, compact integral structure, stable performance is easy to carry;
2, air pump is miniature sampling pump, advantage such as have that pressure is big, load capacity is strong, stability of flow, noise are low.
3, only need an instrument can in 20 minutes, finish the sample collecting of benzene, formaldehyde, ammonia, TVOC.Alleviate greatly the sample collector workload, increase work efficiency, using manpower and material resources sparingly reaches 2/4-3/4.
Description of drawings
Fig. 1 is an appearance structure synoptic diagram of the present utility model.
Fig. 2 is a workflow block diagram of the present utility model.
Fig. 3 is a time control element circuit schematic diagram of the present utility model.
Fig. 4 is an operating board structure synoptic diagram of the present utility model.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As seen from Figure 1: the utility model housing 1 is that a square housing and top are circular arc for four jiaos, housing 1 front panel is provided with four parallel flowmeters 2 that are communicated with air pump in the housing, each flowmeter 2 all is connected with a flow adjusting knob 3, be provided with a groove at housing 1 top, its guidance panel 5 is arranged in the groove; Be provided with a sampling hanger 4 in the both sides of housing 1.
As seen from Figure 2: single air channels sampling flow process of the present utility model is: atmosphere by air intake opening enter the sampling set device of air, through flowmeter, through air pump, discharge through the gas outlet;
Be it can also be seen that by Fig. 2: in the process that atmosphere is gathered, the atmosphere acquisition time is the start and stop state by the time control unit controls air pump that is connected with air pump.
As seen from Figure 3: four gas production systems that independently are made up of import diaphragm pump and flowmeter are set in same housing form with time control unit and power supply, its time control unit mainly adopts No. one relay output digital control chip U
1Control, No. one relay output digital control chip U
1Connect charactron display circuit A, sample circuit control circuit B, sample circuit control circuit B respectively by relay switch K
1C is connected with sample circuit.
It can also be seen that by Fig. 3: described No. one relay output digital control chip U
16～12 pin connect 11,7,4,2,1,5,10 pin of charactron D respectively, the control charactron shows.
It can also be seen that by Fig. 3: described No. one relay output digital control chip U
11,2,17,18 pin connect 9,12,6,8 pin of charactron D respectively, select the display digit of charactron.
It can also be seen that by Fig. 3: the triode S of described sample circuit control circuit B
1Base stage and No. one relay output digital control chip U
113 pin connect, collector is by relay switch K
1C is connected with sample circuit.
Be it can also be seen that by Fig. 3: described sample circuit is mainly by four air pump (M
1～M
4) form.
It can also be seen that by Fig. 3: described No. one relay output digital control chip U
114 pin be connected with power supply, 15,16 pin connect crystal oscillating circuit, the frequency that produces 4MHz behind power connection is for No. one relay output digital control chip U
1Operate as normal.
As seen from Figure 4: guidance panel 5 is provided with replacement timing initiating key RS, power switch (ON, OFF) and time display screen 6, also have on the guidance panel 5 by on turn over and descend turn over the triangle arrow of setting timing time.Technical parameter of the present utility model is as follows
1. flow range: 0.1～1.5L/min
2. flowmeter accuracy grade: 2.5
3. timing range: 0～99 minute and 59 seconds
4. continue the sampling time: 12 hours
5. charge power supply: alternating current 220V, 50Hz
6. physical dimension: 270mm*120mm*175mm
7. display mode: the digital demonstration.
Operating process of the present utility model is:
ON connects, the A power on circuitry, and the D charactron shows.
After adjusting DOWN, UP key are chosen timing time, pick up counting by the RS key.
U
1The 13rd pin change high level output, S into by low level output
1Conducting, circuit B energising back K
1Closure, loop C energising, M
1～M
4Start working.
Timing time arrives, U
1The 13rd pin change low level output, S into by high level output
1Disconnect circuit B outage back K
1Disconnect loop C outage, M
1～M
4Quit work.
Claims (6)
1, a kind of four gas circuit atmosphere sampling instruments, its employing is provided with four gas production systems that independently are made up of air pump and flowmeter (2) in same housing (1) forms with time control unit and power supply, it is characterized in that: the time control unit mainly adopts No. one relay output digital control chip (U
1), No. one relay output digital control chip (U
1) connect charactron display circuit (A), sample circuit control circuit (B), sample circuit control circuit (B) respectively by relay switch (K
1) be connected with sample circuit (C).
2, four gas circuit atmosphere sampling instruments according to claim 1 is characterized in that: described No. one relay output digital control chip (U
1) 6～12 pin connect 11,7,4,2,1,5,10 pin of charactron (D) respectively, the control charactron shows.
3, four gas circuit atmosphere sampling instruments according to claim 2 is characterized in that: described No. one relay output digital control chip (U
1) 1,2,17,18 pin connect 9,12,6,8 pin of charactron (D) respectively, select the display digit of charactron.
4, four gas circuit atmosphere sampling instruments according to claim 3 is characterized in that: the triode (S of described sample circuit control circuit (B)
1) base stage and No. one relay output digital control chip (U
1) 13 pin connect, collector is by by relay switch (K
1) be connected with sample circuit (C).
5, four gas circuit atmosphere sampling instruments according to claim 4 is characterized in that: described sample circuit is mainly by four air pump (M
1～M
4) form.
6, four gas circuit atmosphere sampling instruments according to claim 5 is characterized in that: described No. one relay output digital control chip (U
1) 14 pin be connected with power supply, 15,16 pin connect crystal oscillating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620130400 CN200968913Y (en) | 2006-11-16 | 2006-11-16 | 4-channel atmospheric sampling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620130400 CN200968913Y (en) | 2006-11-16 | 2006-11-16 | 4-channel atmospheric sampling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200968913Y true CN200968913Y (en) | 2007-10-31 |
Family
ID=38968483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620130400 Expired - Lifetime CN200968913Y (en) | 2006-11-16 | 2006-11-16 | 4-channel atmospheric sampling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200968913Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336256A (en) * | 2015-12-08 | 2016-02-17 | 重庆大学 | Sampling box for measuring and simulating nitrogen oxide in laboratory |
| CN106066268A (en) * | 2016-06-29 | 2016-11-02 | 北京中科中环环境应用技术研究中心 | A kind of have the many gas circuits air sampler controlling sampling functions respectively |
-
2006
- 2006-11-16 CN CN 200620130400 patent/CN200968913Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336256A (en) * | 2015-12-08 | 2016-02-17 | 重庆大学 | Sampling box for measuring and simulating nitrogen oxide in laboratory |
| CN106066268A (en) * | 2016-06-29 | 2016-11-02 | 北京中科中环环境应用技术研究中心 | A kind of have the many gas circuits air sampler controlling sampling functions respectively |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HE'NAN CONSTRUCTION QUALITY TESTING CENTER STATION Free format text: FORMER OWNER: HENAN PROVINCE BUILDING SCIENCE RESEARCH INSTITUTE CO., LTD. Effective date: 20110610 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 450053 NO. 4, FENGLE ROAD, ZHENGZHOU CITY, HE'NAN PROVINCE TO: 450053 NO. 4, FENGLE ROAD, JINSHUI DISTRICT, ZHENGZHOU CITY, HE'NAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110610 Address after: 450053 Henan province Zhengzhou City fengle Road No. 4 Patentee after: HENAN CONSTRUCTION QUALITY TESTING CENTER STATION CO., LTD. Address before: 450053 Henan province Zhengzhou fengle Road No. 4 Patentee before: Henan Provincial Academy of Building Research Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: HENAN PROVINCE BUILDING SCIENCE RESEARCH INSTITUTE Free format text: FORMER OWNER: HE'NAN CONSTRUCTION QUALITY TESTING CENTER STATION CO., LTD. Effective date: 20120802 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120802 Address after: 450053 Henan province Zhengzhou fengle Road No. 4 Patentee after: Henan Provincial Academy of Building Research Co., Ltd. Address before: 450053 Henan province Zhengzhou City fengle Road No. 4 Patentee before: HENAN CONSTRUCTION QUALITY TESTING CENTER STATION CO., LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071031 |
|
| EXPY | Termination of patent right or utility model |