CN201600277U - Automatic mass-flow aerosol sampler in radiation environment - Google Patents
Automatic mass-flow aerosol sampler in radiation environment Download PDFInfo
- Publication number
- CN201600277U CN201600277U CN2010201069514U CN201020106951U CN201600277U CN 201600277 U CN201600277 U CN 201600277U CN 2010201069514 U CN2010201069514 U CN 2010201069514U CN 201020106951 U CN201020106951 U CN 201020106951U CN 201600277 U CN201600277 U CN 201600277U
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- sampling
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- vacuum blower
- wind
- radiation environment
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Abstract
The utility model discloses an automatic mass-flow aerosol sampler in the radiation environment, which comprises a vacuum fan connected with an air inlet pipe and an exhaust pipe, and controlling means, characterized in that a aerosol sampling cabin is connected on the air inlet pipe and comprises a sampling housing, a lower wind-guiding drainage is connected at the lower part of the sampling housing, an atmosphere aerosol filtering and sampling device is connected between the lower wind-guiding drainage and the sampling housing and comprises a sampling filter membrane pressing plate, a sampling filter membrane is arranged under the sampling filter membrane pressing plate, and the sampling housing is communicated with the atmosphere. The sampling structure is compact, and has convenient installation, the constant speed sampling at the set value is maintained, and the accuracy of collecting total suspending particles (TSP) is improved.
Description
Technical field
The utility model belongs to environmental protection device, is specifically related to a kind of environment monitoring device, especially for radiation environment high flow rate automatic aerosol sampler.
Background technology
Existing aerosol sampler is because structural design, can only carry out independent operation work, can not coordinate be integrated in operation jointly in the integrated radiation monitoring station with other equipment and instruments.Because structure is arranged so that comparatively complexity of its structure, line arrangement is also comparatively complicated simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of radiation environment high flow rate automatic aerosol sampler that can integrated use can use separately again, to address the above problem.
The technical solution of the utility model is: comprise vacuum blower, vacuum blower connects admission line and gas outlet, control device, connect the sampling of aerosol cabin on the admission line, the sampling of aerosol cabin comprises the sampling housing, the sampling housing connects wind-guiding flow diverter under the UNICOM down, following wind-guiding flow diverter is connected atmospheric aerosol sampling by filtration device with sampling between the housing, described atmospheric aerosol sampling by filtration device comprises the sampling membrane top board, the sampling membrane top board is divided into sampling membrane, sampling housing and atmosphere UNICOM.
Described admission line comprises with vacuum blower and is connected UNICOM's section, is connected the measurement standard pipeline section of UNICOM with following wind-guiding flow diverter, and the measurement standard pipeline section is connected with vacuum blower and is connected with whole wave duct section between UNICOM's section.Whole wave duct section adopts corrugated flexible hose.
Described sampling housing with atmosphere UNICOM is: be connected wind-guiding stream lead device on the sampling housing, connect UNICOM's draft tube on the wind-guiding stream lead device, establish airscoop shroud on the draft tube, establish air intake opening between airscoop shroud and the draft tube, described upward wind-guiding stream lead device is a cone, and the sampling housing is provided with hatch door.
Described measurement standard pipeline section is provided with temperature sensor, the combination of one or more in humidity sensor and the outer checkout equipment sensor.
Described vacuum blower, vacuum blower connect admission line, sampling housing, following wind-guiding flow diverter and last wind-guiding stream lead device with the vertical axes setting.
This sampling structure compactness, easy for installation, sampling thief adopts the turbo vacuum blower fan to be used as power.Sample gas is through over-sampling housing, atmospheric aerosol sampling by filtration device, following wind-guiding flow diverter, admission line is discharged by the vacuum blower exhausr port, differential static pressure in the size of flow and the orifice plate is directly proportional, and the high precision micro-pressure sensor converts the static pressure difference to voltage signal.The sampling flow that microprocessor is set according to the on-the-spot atmospheric pressure (kPa) of user, the detected environment temperature of temperature sensor (K) and user (should in the scope of instrumental calibration) is converted to voltage signal flow automatically and carries out the state conversion.Simultaneously actual flow is compared with setting flow value, when changing, control the rate of air sucked in required of vacuum blower automatically, make actual flow be constant at the setting flow.Realized keeping the constant speed sampling of setting value, improved the accuracy of collection total suspended particles (TSP), vertical arrangement make vacuum blower ability be effectively played, whole simultaneously wave duct section can effectively reduce the influence in vacuum blower vibration and sampling cabin, improves the stability of sampling.
Description of drawings
Fig. 1 radiation environment high flow rate automatic aerosol sampler structural representation.
Fig. 2 atmospheric aerosol sampling by filtration device synoptic diagram.
Fig. 3 rectifier synoptic diagram.
Embodiment
Present embodiment is used for the explanation to the utility model patented technology scheme, and the change that is different from present embodiment that those skilled in the art makes according to technical solutions of the utility model all belongs to protection domain of the present utility model.
As shown in Figure 1, radiation environment high flow rate automatic aerosol sampler comprises main casing 505, main casing is provided with equipment compartment hatch door 508, be provided with vacuum blower 501 in the main casing 505, vacuum blower 501 connects admission line and gas outlet 506, control device 504 adopts Single-chip Controlling, and control device 504 is located in the main casing 505, (control device 504 is located in the main casing under the vacuum blower 501 or the both sides of vacuum blower 501 in the present embodiment).Gas outlet 506 passes main casing 505 downwards.Main casing 505 is established sampling of aerosol cabin 502, and sampling of aerosol cabin 502 comprises sampling housing 503, and sampling housing 503 times connects wind-guiding flow diverter 514 under the UNICOM, and following wind-guiding flow diverter 514 is connected atmospheric aerosol sampling by filtration device 507 between the housing 503 with sampling.Following wind-guiding flow diverter 514 is a back taper.Connect sampling hatch door 508 on the sampling of aerosol cabin 502.Be provided with Boolean value output sensor 509 in the sampling hatch door 508.Sampling housing and atmosphere UNICOM, its structure is: connect wind-guiding stream lead device 510 on the sampling housing 503, connect UNICOM's draft tube 511 on the last wind-guiding stream lead device 510, establish airscoop shroud 512 on the draft tube 511, establish air intake opening 513 between airscoop shroud and the draft tube, described upward wind-guiding stream lead device is a cone.Airscoop shroud 512 is bearing on the draft tube 511 in the present embodiment, and forms air intake opening 513 between draft tube 511 openings; Airscoop shroud 512 tools are prevented the rainwater effect.
The admission line of vacuum blower 501 comprises with vacuum blower and is connected UNICOM's section 520, is connected the measurement standard pipeline section 521 of UNICOM with following wind-guiding flow diverter 514, and measurement standard pipeline section 521 is connected with vacuum blower and is connected with whole wave duct section 522 between UNICOM's section 520; Whole wave duct section 522 adopts corrugated flexible hose, can reduce the influence of vacuum blower vibration to the sampling cabin effectively; Vacuum blower connects UNICOM's section 520 and plays the effect that vacuum blower connects base again; Vacuum blower connects between UNICOM's section and the whole wave duct section and is connected rectifier 523.
Measurement standard pipeline section 521 is provided with temperature sensor 524, humidity sensor 525 and examines device senses device 526 outward.Be connected with vacuum blower at following wind-guiding flow diverter 514 and be respectively equipped with flow sensor 527 on UNICOM's section 520.
Atmospheric aerosol sampling by filtration device 507 as shown in Figure 2, it comprises sampling membrane top board 530, sampling membrane top board 530 is divided into sampling membrane 531, sampling membrane top board 530 is connected with following wind-guiding flow diverter 514, also be provided with cowling panel 532 531 times at sampling membrane, the structure of cowling panel 532 is to offer pod apertures on plate structure, and pod apertures is a plurality of equally distributed holes.Cowling panel 532 also is sampling membrane 531 lower platens.
Rectifier 523 as shown in Figure 3, comprise the sleeve pipe 540 that is enclosed within the vacuum blower connection UNICOM section 520, establish back taper commutator tube 541 on the sleeve pipe 540, establish whole wave duct section connector 542 on the back taper commutator tube 541, whole wave duct section connector outer wall is provided with vacuum blower and is connected UNICOM's section joint flange 543, and this structure realizes the variation (reducing) of the interior diameter of whole wave duct section connector 542 and sleeve pipe 540.Flange 543 is connected with vacuum blower establishes sealing gasket 544 between UNICOM's section 520.
Above-mentioned vacuum blower, vacuum blower connect admission line, sampling housing, following wind-guiding flow diverter and last wind-guiding stream lead device with the vertical axes setting.
The output of temperature sensor and pressure transducer is connected A/D and transforms amplifying circuit, and the output that A/D transforms amplifying circuit connects single-chip microcomputer, and calculating and setting value that single-chip microcomputer is used for electric pressure signal compare, the speed controling signal of output vacuum blower, and video data.
Its course of work is: open vacuum blower, realize Atmospheric Flow in the high flow rate automatic aerosol sampler, the on-the-spot pressure transducer of user detects the pressure (kPa) of draft tube, the sampling flow that the detected environment temperature of temperature sensor (K) and user set (should in the scope of instrumental calibration), single-chip microcomputer is converted to voltage signal flow automatically and carries out state and convert, simultaneously actual flow and setting flow value are compared, when changing, automatically control the rotating speed of motor of vacuum blower, the rate of air sucked in required of levelling vacuum blower makes actual flow be constant at the setting flow.And the demonstration related data, comprise time, flow, temperature etc.
Automatically sampling: when the standard time that is provided with was equal with the timing start-up time, instrument entered sample states from state is set, and showed (TSP) sampling instantaneous delivery on the screen, had been stabilized in about setting value rapidly after the several seconds.Instrument can be set the sampling thief timing start-up, the sampling time is set, interval time, be provided with and press the monitoring of flow collection Automatic Cycle function (after the shutdown, again start is monitored) etc., different sampling parameters is provided with, and there are the prompting Set For Current projects such as indication of different colours on display screen the right.After the sampling thief shutdown, other parameter that can be provided with all can be preserved automatically except that the standard time.
Claims (10)
1. radiation environment high flow rate automatic aerosol sampler, it comprises vacuum blower, vacuum blower connects admission line and gas outlet, control device, it is characterized in that connecting on the admission line sampling of aerosol cabin, the sampling of aerosol cabin comprises the sampling housing, the sampling housing connects wind-guiding flow diverter under the UNICOM down, following wind-guiding flow diverter is connected atmospheric aerosol sampling by filtration device with sampling between the housing, described atmospheric aerosol sampling by filtration device comprises the sampling membrane top board, the sampling membrane top board is divided into sampling membrane, sampling housing and atmosphere UNICOM.
2. radiation environment high flow rate automatic aerosol sampler according to claim 1, it is characterized in that described sampling housing with atmosphere UNICOM is: be connected wind-guiding stream lead device on the sampling housing, connect UNICOM's draft tube on the last wind-guiding stream lead device, establish airscoop shroud on the draft tube, establish air intake opening between airscoop shroud and the draft tube, described upward wind-guiding stream lead device is a cone, and the sampling housing is provided with hatch door.
3. radiation environment high flow rate automatic aerosol sampler according to claim 1 is characterized in that the wind-guiding flow diverter is a reverse taper down.
4. radiation environment high flow rate automatic aerosol sampler according to claim 1, it is characterized in that admission line comprises is connected UNICOM's section with vacuum blower, the measurement standard pipeline section that is connected UNICOM with following wind-guiding flow diverter, measurement standard pipeline section are connected with vacuum blower to be connected with between UNICOM's section puts in order the wave duct section.
5. as radiation environment high flow rate automatic aerosol sampler as described in the claim 4, it is characterized in that vacuum blower connects between UNICOM's section and the whole wave duct section and be connected rectifier.
6. as radiation environment high flow rate automatic aerosol sampler as described in the claim 5, it is characterized in that described rectifier comprises that being enclosed within vacuum blower connects sleeve pipe in UNICOM's section, establish the back taper commutator tube on the sleeve pipe, establish whole wave duct section connector on the back taper commutator tube.
7. as radiation environment high flow rate automatic aerosol sampler as described in the claim 6, it is characterized in that whole wave duct section connector outer wall is provided with and be connected UNICOM's section joint flange with vacuum blower.
8. as radiation environment high flow rate automatic aerosol sampler as described in the claim 4, it is characterized in that the measurement standard pipeline section is provided with temperature sensor, the combination of one or more in humidity sensor and the outer checkout equipment sensor.
9. as radiation environment high flow rate automatic aerosol sampler as described in the claim 4, it is characterized in that the wind-guiding flow diverter is connected on UNICOM's section with vacuum blower down to be respectively equipped with flow sensor.
10. radiation environment high flow rate automatic aerosol sampler as claimed in claim 1 or 2 is characterized in that described vacuum blower, and vacuum blower connects admission line, sampling housing, wind-guiding flow diverter and last wind-guiding flow lead device with the vertical axes setting down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201069514U CN201600277U (en) | 2010-01-29 | 2010-01-29 | Automatic mass-flow aerosol sampler in radiation environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201069514U CN201600277U (en) | 2010-01-29 | 2010-01-29 | Automatic mass-flow aerosol sampler in radiation environment |
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| Publication Number | Publication Date |
|---|---|
| CN201600277U true CN201600277U (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201069514U Expired - Lifetime CN201600277U (en) | 2010-01-29 | 2010-01-29 | Automatic mass-flow aerosol sampler in radiation environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762407B (en) * | 2010-01-29 | 2012-11-21 | 北京华瑞核安科技有限公司 | Radiation environment high flow rate automatic aerosol sampler |
-
2010
- 2010-01-29 CN CN2010201069514U patent/CN201600277U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762407B (en) * | 2010-01-29 | 2012-11-21 | 北京华瑞核安科技有限公司 | Radiation environment high flow rate automatic aerosol sampler |
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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: BEIJING HUARUI NUCLEAR SECURITY TECHNOLOGY CO., LT Free format text: FORMER OWNER: WUHAN DONGHU TIANKANG TECHNOLOGY CO., LTD. Effective date: 20110602 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430064 NO. 185-2, SHOUYI VILLAGE, WUCHANG DISTRICT, WUHAN CITY, HUBEI PROVINCE TO: 100000 ROOM 1103, UNIT 3, BUILDING 2, YARD 9, CHEGONGZHUANG STREET, XICHENG DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110602 Address after: 100000, room 3, gate 2, building 9, car main street, 1103, Beijing, Xicheng District Patentee after: Wuhan Donghu Tiankang Science and Technology Co., Ltd. Address before: 430064 No. 185-2, Yi Cun, Wuchang District, Hubei, Wuhan Patentee before: Wuhan Donghu Tiankang Science and Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING HUARUI HE'AN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING HUARUI NUCLEAR SECURITY TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100000, room 3, gate 2, building 9, car main street, 1103, Beijing, Xicheng District Patentee after: Beijing Hua Ruihe pacifies Science and Technology Co., Ltd. Address before: 100000, room 3, gate 2, building 9, car main street, 1103, Beijing, Xicheng District Patentee before: Wuhan Donghu Tiankang Science and Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20101006 |
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| CX01 | Expiry of patent term |