CN201662496U - Sampler for metal dust and compound thereof - Google Patents
Sampler for metal dust and compound thereof Download PDFInfo
- Publication number
- CN201662496U CN201662496U CN2009202556651U CN200920255665U CN201662496U CN 201662496 U CN201662496 U CN 201662496U CN 2009202556651 U CN2009202556651 U CN 2009202556651U CN 200920255665 U CN200920255665 U CN 200920255665U CN 201662496 U CN201662496 U CN 201662496U
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- metal dust
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Abstract
The utility model relates to on-site sampling instruments for metal dust and compound thereof in work sites, in particular to a sampler for on-site sampling of factors harmful to personnel for various metal compounds which contain lead fume, manganese fume, nickel, cadmium and the like. The sampler mainly comprises a sampling head, a flow control mechanism, a power mechanism and an electrical control mechanism, wherein the sampling head is connected with the flow control mechanism and the power mechanism through gas circuit guide tubes, and the power mechanism and the electrical control mechanism are connected with each other via a circuit connecting line. The sampler in adoption has the advantages of simple operation, convenience in carrying, reasonable structure and high practicality, can detect dusty smoke of over twenty metal compounds, and immeasurably contributes to protection of occupational diseases in China.
Description
Technical field
The utility model relates to the sampling instrument at workplace metallic dust and compound scene thereof, be specially the sampling instrument of the spot sampling of human body hazard factor being used at multiple metallic compounds such as containing lead fume, manganese cigarette, nickel, cadmium.
Background technology
The occupational illness of China has been subjected to the valley of death that the great attention of the World Health Organization (WHO), particularly silicosis and pneumoconiosis have become occupational illness.Party and state has formulated " law on prevention and cure of occupational disease " and eight occupational health national standards to prevention and cure of occupational disease specially for this reason.Many enterprises cause a large amount of operating workers to suffer from the occupational illness of metallic compounds such as blood lead, blood cadmium owing to ignored the limit value of workplace objectionable impurities safe levels such as workshop, and the country and people masses are caused immeasurable loss.The life security of operating worker in serious harm.For the life security of protecting operating worker with to sanitary protection.Country expressly provides the detection and the improvement of objectionable impurities is carried out in its workplace.Guarantee the metallic dust of workplace and the limit value that compound cloud of dust concentration must meet the world and national regulation safe level thereof.China does not have special-purpose sample devices to metallic dust and compound thereof at present.Original sampling thief does not meet the sampling codes and standards of country to metallic dust and compound thereof.The Negative Pressure Difference, flow control of bleeding is unreasonable, and the footpath that penetrates of filter membrane does not meet standard-required, is badly in need of the sampling thief of a special-purpose metal dust and compound thereof for this reason, and extremely urgent, this utility model embodiment has filled up domestic blank, in the world also beyond example.
Summary of the invention
The purpose of this utility model provides a kind of metallic dust and compound sampling thief thereof, and solving present sampling thief is the only gas circuit air-flow of single pump instability on power, and pump machine rotating speed is slow, and the bent axle span is big, gap flow can occur; The negative pressure of bleeding is little; Bad timing; Flow range can not meet national standard; The aperture of absorption filter membrane is thicker, and metallic compound is not exclusively adsorbed.
The technical solution of the utility model is: potable metal dust and compound sampling thief thereof, mainly comprise sampling head, flow control mechanism, actuating unit and electrical equipment control mechanism, sampling head is connected with actuating unit with flow control mechanism by the gas circuit conduit, and actuating unit is connected by circuit connecting wire with electrical equipment control mechanism;
Rubber seal is equipped with in described sampling head base inside, after be connected on φ 40mm and become 10mm and connect outward, φ 40mm becomes the external inside of 10mm rubber seal is housed; Miillpore filter is placed on the filter membrane clip base, presses the filter membrane clamping plate, screws with the filter membrane clip overcoat, and the sampling that clips miillpore filter folds up into the sampling head base sampling head overcoat to be covered and screws;
Described miillpore filter is φ 40mm, aperture 0.8 μ m;
Described flow control mechanism comprises that (1 ~ 10L/min) and the aciculiform flow control valve, the aciculiform flow control valve is installed in flowmeter (1 ~ 10L/min) upper end to flowmeter;
Described actuating unit comprises eccentric wheel, DC micromotor, two air chamber, two air pump, is connected by eccentric wheel between DC micromotor and the two air pump, and two air chambers are installed on two air pumps;
Described electrical equipment control mechanism mainly comprises the circuit control main board, 12864 LCDs, film key gauge tap, 3AH9.6V rechargeable Ni-H 2 electric battery, transformer, 220V/50hz ac power plug, 12864 LCDs are connected on the circuit control main board by the liquid crystal data line, the film key gauge tap is connected by the Keyboard Control data line with the circuit control main board, and 3AH9.6V rechargeable Ni-H 2 electric battery, transformer, 220V/50hz ac power plug are connected by circuit connecting wire.
Adopt the utility model, have simple to operately, easy to carry, rational in infrastructure, practical, can detect the cloud of dust of more than 20 kind of metallic compound, immeasurable effect has been played in the occupational illness protection of China.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1: be the utility model structural representation;
Fig. 2: be the utility model sampling head sectional view;
Embodiment
As shown in the figure, potable metal dust and compound sampling thief thereof, mainly comprise sampling head 1, flow control mechanism 2, actuating unit 3 and electrical equipment control mechanism 4, sampling head is connected with actuating unit 3 with flow control mechanism 2 by gas circuit conduit 5, and actuating unit 3 is connected by circuit connecting wire 10 with electrical equipment control mechanism 4; Rubber seal 16 is equipped with in described sampling head base 17 inside, after be connected on φ 40mm and become on the 10mm external 19, φ 40mm becomes external 19 inside of 10mm rubber seal 18 is housed; Miillpore filter 13 is placed on the filter membrane clip base 15, presses filter membrane clamping plate 12, screws with filter membrane clip overcoat 14, and the sampling that clips miillpore filter 13 folds up into sampling head base 17 sampling head overcoat 11 to be covered and screws; Described miillpore filter is φ 40mm, aperture 0.8 μ m; Described flow control mechanism 2 comprises that (1 ~ 10L/min) 21 and aciculiform flow control valve 22, aciculiform flow control valve 22 is installed in flowmeter (1 ~ 10L/min) 21 upper end to flowmeter; Described actuating unit 3 comprises eccentric wheel 31, DC micromotor 32, two air chamber 33, two air pump 34, is connected by eccentric wheel 31 between DC micromotor 32 and the two air pump 34, and two air chambers 33 are installed on two air pumps 34; Described electrical equipment control mechanism 4 mainly comprises circuit control main board 41,12864 LCDs 42, film key gauge tap 43,3AH9.6V rechargeable Ni-H 2 electric battery 44, transformer 45,220V/50hz ac power plug 46,12864 LCDs 42 are connected on the circuit control main board 41 by liquid crystal data line 8, film key gauge tap 42 is connected by Keyboard Control data line 9 with circuit control main board 41, and 3AH9.6V rechargeable Ni-H 2 electric battery 44, transformer 45,220V/50hz ac power plug 46 are connected by circuit connecting wire 7,10.
Principle of work of the present utility model is: sampling thief support of the present utility model is in the zone of workplace objectionable impurities, main flow process is: be connected on the φ 40mm change 10mm external 19 of the utility model embodiment sampling thief after earlier sampling head base 17 inside being loaded onto rubber seal 16, φ 40mm becomes external 19 inside of 10mm will be equipped with rubber seal 18; The miillpore filter 13 of φ 40mm aperture 0.8 μ m is placed on the filter membrane clip base 15, press filter membrane clamping plate 12, screw with filter membrane clip overcoat 14, the sampling that will clip miillpore filter again folds up into sampling head base 17 sampling head overcoat 11 to be covered and screws, begin sampling work after instrument configured sampling routine, send the laboratory to carry out physics and chemistry to detect collecting the filter membrane that is stained with harmful substances; Operation film key gauge tap 43 is provided with the mode of operation and the state of circuit control main board 41, drive micro dc motor 32 and drive two air pumps 34 by circuit control main board 41, the generation negative pressure of bleeding forms air-flow, then contain the sampling folder folded φ 40mm aperture 0.8 μ m miillpore filter 13 of the air-flow of metallic dust and compound thereof in the workplace through φ 40mm sampling head 1 the inside, proving flowmeter by pin type flow control valve 22 control (21 the regulation flow of 1L/min ~ 10L/min), enter two air chambers 33 buffering backs at last and discharge, the time of whole sampling and process show by 12864 LCDs 42; (adopt gas circuit connecting duct 5,6 to connect between 1L/min ~ 10L/min) 21, the two air chamber 33, adopt circuit connecting wire 7,10 to connect between circuit control main board 41, micro dc motor 32, the 3Ah9.6V rechargeable Ni-H 2 electric battery 44 at φ 40mm sampling head 1, proving flowmeter; Connect by liquid crystal data line 8 between circuit control main board 41,12864 LCDs 42; Connect by supervisory keyboard data line 9 between circuit control main board 41, the film key gauge tap 43.
Sampling thief of the present utility model is under the situation of 220V/50hz ac power supply, the low-voltage that is rectified into 12V by 220V/50hz ac power plug 46 through transformer 45 can be charged to 3Ah9.6V rechargeable Ni-H 2 electric battery 44 in instrument work to 41 power supplies of circuit control main board; Under the situation of no AC-powered, can give circuit control main board 41 and micro dc motor 32 power supplies, can break away from civil power work more than 4 hours by 3Ah9.6V rechargeable Ni-H 2 electric battery 44.
Above-mentioned only is to a specific implementation of the present utility model, and any metallic dust and compound sampling thief of designing with the technical solution of the utility model thereof all should belong to protection domain of the present utility model.
Claims (6)
1. potable metal dust and compound sampling thief thereof, mainly comprise sampling head, flow control mechanism, actuating unit and electrical equipment control mechanism, it is characterized in that, sampling head is connected with actuating unit with flow control mechanism by the gas circuit conduit, and actuating unit is connected by circuit connecting wire with electrical equipment control mechanism.
2. potable metal dust according to claim 1 and compound sampling thief thereof, it is characterized in that, rubber seal is equipped with in sampling head base inside, and the φ 40mm that is contained in sampling thief then becomes 10mm and connects outward, becomes the external inside of 10mm at φ 40mm rubber seal is housed in advance; Miillpore filter is placed on the filter membrane clip base, presses the filter membrane clamping plate, screws with the filter membrane clip overcoat, and the sampling that clips miillpore filter folds up into the sampling head base sampling head overcoat to be covered and screws.
3. potable metal dust according to claim 2 and compound sampling thief thereof is characterized in that, miillpore filter is φ 40mm, aperture 0.8 μ m.
4. potable metal dust according to claim 1 and compound sampling thief thereof, it is characterized in that, flow control mechanism comprises that flow range is: the flowmeter of 1L/min～10L/min and aciculiform flow control valve, aciculiform flow control valve are installed in flow range and are: the upper end of the flowmeter of 1L/min～10L/min.
5. potable metal dust according to claim 1 and compound sampling thief thereof, it is characterized in that, actuating unit comprises eccentric wheel, DC micromotor, two air chamber, two air pump, is connected by eccentric wheel between DC micromotor and the two air pump, and two air chambers are installed on two air pumps.
6. potable metal dust according to claim 1 and compound sampling thief thereof, it is characterized in that, electrical equipment control mechanism mainly comprises the circuit control main board, 12864 LCDs, the film key gauge tap, 3AH9.6V rechargeable Ni-H 2 electric battery, transformer, the 220V/50hz ac power plug, 12864 LCDs are connected on the circuit control main board by the liquid crystal data line, the film key gauge tap is connected by the Keyboard Control data line with the circuit control main board, 3AH9.6V rechargeable Ni-H 2 electric battery, transformer, the 220V/50hz ac power plug is connected by circuit connecting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202556651U CN201662496U (en) | 2009-11-25 | 2009-11-25 | Sampler for metal dust and compound thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202556651U CN201662496U (en) | 2009-11-25 | 2009-11-25 | Sampler for metal dust and compound thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201662496U true CN201662496U (en) | 2010-12-01 |
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ID=43232915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202556651U Expired - Fee Related CN201662496U (en) | 2009-11-25 | 2009-11-25 | Sampler for metal dust and compound thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201662496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782480A (en) * | 2010-03-23 | 2010-07-21 | 盐城银河科技有限公司 | Sampler for metal dust and compounds thereof |
-
2009
- 2009-11-25 CN CN2009202556651U patent/CN201662496U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782480A (en) * | 2010-03-23 | 2010-07-21 | 盐城银河科技有限公司 | Sampler for metal dust and compounds thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20131125 |