CN203728845U - Resistance-to-dry microbial penetrationexperiment system - Google Patents
Resistance-to-dry microbial penetrationexperiment system Download PDFInfo
- Publication number
- CN203728845U CN203728845U CN201420071369.7U CN201420071369U CN203728845U CN 203728845 U CN203728845 U CN 203728845U CN 201420071369 U CN201420071369 U CN 201420071369U CN 203728845 U CN203728845 U CN 203728845U
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- Prior art keywords
- air
- pressure
- dry state
- pressure transmitter
- central controller
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- 230000000813 microbial effect Effects 0.000 title abstract 2
- 238000002474 experimental method Methods 0.000 claims description 45
- 244000005700 microbiome Species 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000193830 Bacillus <bacterium> Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model discloses a resistance-to-dry microbial penetrationexperiment system. The system comprises detection bodies and an air source system, wherein the air source system comprises an air compressor, an oil-water separator, an air storage tank, a steam-water separator, a front-end air-flow buffer, an electric ball valve, a solenoid valve, an orifice plate flowmeter, a back-end air-flow buffer, a pneumatic ball type vibrator, a central controller, a differential pressure transmitter, a pressure transmitter and a vibration sensor; the pneumatic ball type vibrator drives the detection bodies to vibrate, and the vibration sensor measures the vibration frequency of each detection body; thedifferential pressure transmitter and the pressure transmitter are connected with theorifice plate flowmeterrespectively to measure theflowing pressure of air passing through the orifice plate flowmeter and the pressure after the air passes through the orifice plate flowmeter; the central controller is electrically connected with the electric ball valve, the solenoid valve, the differential pressure transmitter, the pressure transmitter and the vibration sensor respectively. The system is convenient to operate, higher in precision and capable of effectively protecting experimenters and detecting data such as the vibration frequency and the like in real time.
Description
Technical field
The utility model relate to a kind of for to patient, medical personnel and for apparatus surgical drage, operating coat and clean garment etc. take bacterium material and hinder the resistance dry state microorganism breakthrough experiment system of permeability test.
Background technology
The main reference standard of novel resistance dry state microorganism breakthrough experiment vibration-detecting instrument is " patient YY0506.5-2009, medical personnel and surgical drage, operating coat and clean garment the 5th part for apparatus: resistance dry state microorganism penetration test method ".Current domestic related products is all taking this standard as reference frame.Present similar experimental installation is mainly manually to control and the exposed experiment table of building, and experimental installation is heavier, complicated operation, and precision is lower, experimenter is not carried out to effective safeguard procedures, cannot detect the data such as vibrational frequency.
Utility model content
The purpose of this utility model is to provide a high laboratory apparatus that also can detect in real time the data such as vibrational frequency of higher, the intelligent degree of precision.
To achieve these goals, the technical solution of employing is the utility model:
A kind of resistance dry state microorganism breakthrough experiment system, comprise and detect main body and air supply system, described air supply system comprises air compressor, water-and-oil separator, gas-holder, steam separator, front end air-flow buffer device, electrical ball valve, magnetic valve, orifice-plate flowmeter, rear end air-flow buffer device, Pneumatic ball formula vibrator, central controller, differential pressure transmitter, pressure unit, vibration transducer; Described air compressor, water-and-oil separator, gas-holder, steam separator connect successively, the pressurized air of described steam separator output enters the inlet mouth of Pneumatic ball formula vibrator through front end air-flow buffer device, electrical ball valve, magnetic valve, orifice-plate flowmeter and rear end air-flow buffer device, described Pneumatic ball formula vibrator drives and detects body vibration, and described vibration transducer is measured the vibrational frequency that detects main body; Differential pressure transmitter, pressure unit are connected respectively measurement gas respectively and press by the stream of orifice-plate flowmeter and the rear pressure of meter with orifice-plate flowmeter; Described central controller is electrically connected with electrical ball valve, magnetic valve, differential pressure transmitter, pressure unit, vibration transducer respectively.
Further, the venting port joint noise reduction device of described Pneumatic ball formula vibrator.
Further, described Pneumatic ball formula vibrator is K13 Pneumatic ball formula vibrator.
Further, also comprise safeguard system, described safeguard system comprises by experiment cabinet, air draft high efficiency filter and negative-pressure air fan, after described negative-pressure air fan starts, produces negative pressure in experiment cabinet, and gas is discharged by air draft high efficiency filter through negative-pressure air fan.
Further, the blast inlet of described experiment cabinet is provided with air intake high efficiency filter, and gas enters experiment cabinet from air intake high efficiency filter.
Further, described experiment cabinet is stainless steel negative pressure experiment cabinet.
Further, between described negative-pressure air fan and air draft high efficiency filter, be provided with air draft buffering cabin.
Further, described central controller is microprocessor.
Further, described microprocessor is connected with touch-screen.
Further, the stream pressure that the pressure that described pressure unit records bears as K13 Pneumatic ball formula vibrator, in the time that the pressure of K13 Pneumatic ball formula vibrator is greater than or less than 6Bar, central controller controls electrical ball valve reduces or hole diameter enlargement regulates pressure.
Compared with prior art, its advantage is the utility model patent:
1, this instrument cost is comparatively cheap, and adopts central controller to control, and degree of intelligence is high.
2, Pneumatic ball formula vibrator is set, pressurized air enters and promotes steel column after Pneumatic ball formula vibrator and turn round in inner track, ball produces vibration force with detecting body high speed rotating, thereby drives and detect body vibration with identical vibrational frequency, realizes vibration experiment.
3, can detect in real time vibrational frequency, the real-time signal piping pressure of pressure unit by vibration transducer, and by the moving ball valve of central controller automatic control electric, greatly improve stability and the repeatability of vibrational frequency, experimental data has more referential.
Brief description of the drawings
Fig. 1 is pneumatic diagram of the present utility model.
Fig. 2 is experiment cabinet schematic diagram of the present utility model.
Wherein: 1-air compressor, 2-water-and-oil separator, 3-gas-holder, 4-steam separator, 5-front end air-flow buffer device, 6-electrical ball valve, 7-magnetic valve, 8-orifice-plate flowmeter, 9-rear end air-flow buffer device, 10-Pneumatic ball formula vibrator, 11-sound damper, 12-differential pressure transmitter, 13-pressure unit, 14-vibration transducer, 15-air intake high efficiency filter, 16-stainless steel negative pressure experiment cabinet, 17-detects main body, 18-negative-pressure air fan, 19-air draft buffering cabin, 20-air draft high efficiency filter, 21-central controller.
Embodiment
In conjunction with Fig. 1,2 explanation present embodiments, with reference to diagram, this patent comprises: air compressor 1, water-and-oil separator 2, gas-holder 3, steam separator 4, front end air-flow buffer device 5, electrical ball valve 6, magnetic valve 7, orifice-plate flowmeter 8, rear end air-flow buffer device 9, Pneumatic ball formula vibrator 10, sound damper 11, differential pressure transmitter 12, pressure unit 13, vibration transducer 14, air intake high efficiency filter 15, stainless steel negative pressure experiment cabinet 16, detection main body 17, negative-pressure air fan 18, air draft buffering cabin 19, air draft high efficiency filter 20, central controller 21.
A kind of resistance dry state microorganism breakthrough experiment system, comprise and detect main body and air supply system, described air supply system comprises air compressor 1, water-and-oil separator 2, gas-holder 3, steam separator 4, front end air-flow buffer device 5, electrical ball valve 6, magnetic valve 7, orifice-plate flowmeter 8, rear end air-flow buffer device 9, Pneumatic ball formula vibrator 10, central controller 21, differential pressure transmitter 12, pressure unit 13, vibration transducer 14; Described air compressor 1, water-and-oil separator 2, gas-holder 3, steam separator 4 connect successively, the pressurized air that described steam separator 4 is exported enters the inlet mouth of Pneumatic ball formula vibrator 10 through front end air-flow buffer device 5, electrical ball valve 6, magnetic valve 7, orifice-plate flowmeter 8 and rear end air-flow buffer device 9, described Pneumatic ball formula vibrator 10 drives detection main body 17 to vibrate, and described vibration transducer 14 is measured the vibrational frequency that detects main bodys 17; Differential pressure transmitter 12, pressure unit 13 are connected respectively measurement gas respectively and press by the stream of orifice-plate flowmeter 8 and the rear pressure of meter with orifice-plate flowmeter 8; Described central controller 21 is electrically connected with electrical ball valve 6, magnetic valve 7, differential pressure transmitter 12, pressure unit 13, vibration transducer 14 respectively.Described Pneumatic ball formula vibrator 10 is K13 Pneumatic ball formula vibrator.The venting port joint noise reduction device 11 of described Pneumatic ball formula vibrator 10.
This patent source of the gas generation systems principle of work is: according to the characteristic of ball formula vibrator K13, the pressurized air of 6Bar is passed into K13 and can make its vibrational frequency and reactive force reach the scope of standard-required.This gas circuit provides pressurized air by air compressor 1, through water-and-oil separator 2, the oil in pressurized air is separated with pressurized air with water.Pressurized air in gas-holder 3, cushion, lower the temperature, dewater and energy storage after the pressure of stable output and the pressurized gas of flow, more further remove the moisture content in pressurized air by the steam separator 4 of next stage.Pressurized air enters the inlet mouth of K13 Pneumatic ball formula vibrator 10 again through front end air-flow buffer device 5, electrical ball valve 6, magnetic valve 7, orifice-plate flowmeter 8 and rear end air-flow buffer device 9, pressurized air enters K13 Pneumatic ball formula vibrator 10 rear promotion steel columns and turns round in inner track, ball produces vibration forces with detection body 17 high speed rotating, thereby drive detection main body 17 to vibrate with identical vibrational frequency, to carry out vibration experiment, last pressurized air after the venting port of K13 and sound damper 11 noise reductions by its discharge.Wherein, the object of two air-flow buffer devices is to make pressurized air to become comparatively stable air-flow, makes like this pressure and the flow that record more stable.In this gas circuit, measure compressed-air actuated flow by orifice-plate flowmeter 8, differential pressure transmitter 12 and pressure unit 13 record respectively gas and press by the stream of orifice-plate flowmeter 8 and the rear pressure of meter, and the pressure that pressure unit 13 records simultaneously can also bear as K13 the pressure of air-flow.In the time that the pressure of K13 is greater than 6Bar, central controller 21 is controlled electrical ball valve 6 and is reduced aperture and reduce pressure, otherwise in the time that the pressure of K13 is less than 6Bar, central controller 21 is controlled electrical ball valve 6 hole diameter enlargements and increased pressure, has ensured the stable of vibrational frequency.The detection of vibrational frequency is that the vibration transducer 14 by being fixed on the marble slab that detects main body 17 detects and is connected with central controller 21.The characteristic of vibration transducer 14 is to accept once vibration and produces a square wave, and central controller 21 is determined the vibrational frequency of experiment by note square wave frequency.Find out the vibrational frequency that stream pressure and flow, K13 can be detected by above-mentioned gas circuit design by inferior, and control electrical ball valve by central controller 21 and regulate the stream pressure passing through and then reach the object that regulates vibrational frequency.
Described central controller 21 is microprocessor.Described microprocessor is connected with touch-screen.Intelligent degree is high, adopts microprocessor control, user-friendly.Adopt touch-screen show and control, can on display screen, show various detection data in real time.Simplify experimentation, removed the trouble that connects various gas circuits from.
This experimental system also comprises safeguard system, and described safeguard system comprises by experiment cabinet, air draft high efficiency filter 20 and negative-pressure air fan 18, after described negative-pressure air fan 18 starts, produces negative pressure in experiment cabinet, and gas is discharged by air draft high efficiency filter 20 through negative-pressure air fan 18.Because this experiment relates to harmful genus bacillus, in order to protect operator's safety and the pollution of avoiding experimental situation, carrying out effective protection is also the problem that this patent will solve.
The blast inlet of described experiment cabinet is provided with air intake high efficiency filter 15, and gas enters experiment cabinet from air intake high efficiency filter 15.
Described experiment cabinet is stainless steel negative pressure experiment cabinet 16.
Between described negative-pressure air fan 18 and air draft high efficiency filter 20, be provided with air draft buffering cabin 19.
Experiment cabinet is subnormal ambient, filters the cleaning that ensures to enter gas and efflux gas in negative pressure cabinet by turnover gas high efficiency filter, realizes the effective protection to operator and avoids the pollution of experimental situation.This patent safeguard system principle of work is: safeguard system is made up of stainless steel negative pressure experiment cabinet 16, air intake high efficiency filter 15, air draft high efficiency filter 20 and negative-pressure air fan 18 etc.In experimentation, first open negative-pressure air fan 18, make to produce in cabinet the negative pressure of-50 ~-200Pa, now the gas in stainless steel negative pressure experiment cabinet 16 is discharged by air draft high efficiency filter 20 through negative-pressure air fan 18, and the unwanted bacterias such as the genus bacillus in cabinet can be filtered by air draft high efficiency filter 20.Outside air is under suction function; become clean gas through air intake high efficiency filter 15 and enter negative pressure cabinet; ensure in this way to enter the gas of negative pressure experiment cabinet and be clean harmless gas by negative pressure experiment cabinet expellant gas, ensured thus the protection to human body in experimentation and avoided the pollution of experimental situation.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art make in essential scope of the present utility model, also should belong to protection domain of the present utility model.
Claims (9)
1. a resistance dry state microorganism breakthrough experiment system, it is characterized in that, comprise and detect main body and air supply system, described air supply system comprises air compressor (1), water-and-oil separator (2), gas-holder (3), steam separator (4), front end air-flow buffer device (5), electrical ball valve (6), magnetic valve (7), orifice-plate flowmeter (8), rear end air-flow buffer device (9), Pneumatic ball formula vibrator (10), central controller (21), differential pressure transmitter (12), pressure unit (13), vibration transducer (14); Described air compressor (1), water-and-oil separator (2), gas-holder (3), steam separator (4) connect successively, the pressurized air of described steam separator (4) output enters the inlet mouth of Pneumatic ball formula vibrator (10) through front end air-flow buffer device (5), electrical ball valve (6), magnetic valve (7), orifice-plate flowmeter (8) and rear end air-flow buffer device (9), described Pneumatic ball formula vibrator (10) drives and detects main body (17) vibration, and described vibration transducer (14) is measured the vibrational frequency that detects main body (17); Differential pressure transmitter (12), pressure unit (13) are connected respectively measurement gas respectively and press by the stream of orifice-plate flowmeter (8) and the rear pressure of meter with orifice-plate flowmeter (8); Described central controller (21) is electrically connected with electrical ball valve (6), magnetic valve (7), differential pressure transmitter (12), pressure unit (13), vibration transducer (14) respectively.
2. one hinders dry state microorganism breakthrough experiment system according to claim 1, it is characterized in that the venting port joint noise reduction device (11) of described Pneumatic ball formula vibrator (10).
3. one hinders dry state microorganism breakthrough experiment system according to claim 1, it is characterized in that, also comprise safeguard system, described safeguard system comprises by experiment cabinet, air draft high efficiency filter (20) and negative-pressure air fan (18), after described negative-pressure air fan (18) starts, in experiment cabinet, produce negative pressure, gas is discharged by air draft high efficiency filter (20) through negative-pressure air fan (18).
4. one hinders dry state microorganism breakthrough experiment system according to claim 4, it is characterized in that, the blast inlet of described experiment cabinet is provided with air intake high efficiency filter (15), and gas enters experiment cabinet from air intake high efficiency filter (15).
5. one hinders dry state microorganism breakthrough experiment system according to claim 4, it is characterized in that, described experiment cabinet is stainless steel negative pressure experiment cabinet (16).
6. one hinders dry state microorganism breakthrough experiment system according to claim 4, it is characterized in that, is provided with air draft buffering cabin (19) between described negative-pressure air fan (18) and air draft high efficiency filter (20).
7. one hinders dry state microorganism breakthrough experiment system according to claim 1, it is characterized in that, described central controller (21) is microprocessor.
8. one hinders dry state microorganism breakthrough experiment system according to claim 8, it is characterized in that, described microprocessor is connected with touch-screen.
9. one hinders dry state microorganism breakthrough experiment system according to claim 3, it is characterized in that, the stream pressure that the pressure that described pressure unit (13) records bears as Pneumatic ball formula vibrator, in the time that the pressure of Pneumatic ball formula vibrator is greater than or less than 6Bar, central controller (21) control electrical ball valve (6) reduces or hole diameter enlargement regulates pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071369.7U CN203728845U (en) | 2014-02-19 | 2014-02-19 | Resistance-to-dry microbial penetrationexperiment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071369.7U CN203728845U (en) | 2014-02-19 | 2014-02-19 | Resistance-to-dry microbial penetrationexperiment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728845U true CN203728845U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420071369.7U Expired - Lifetime CN203728845U (en) | 2014-02-19 | 2014-02-19 | Resistance-to-dry microbial penetrationexperiment system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278247A (en) * | 2018-03-27 | 2018-07-13 | 迈克医疗电子有限公司 | Air pressure driving equipment and its air supply system |
| CN112760215A (en) * | 2020-12-25 | 2021-05-07 | 山东省医疗器械产品质量检验中心 | Tester and testing method for dry microbial barrier of breathable packaging material |
-
2014
- 2014-02-19 CN CN201420071369.7U patent/CN203728845U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278247A (en) * | 2018-03-27 | 2018-07-13 | 迈克医疗电子有限公司 | Air pressure driving equipment and its air supply system |
| CN112760215A (en) * | 2020-12-25 | 2021-05-07 | 山东省医疗器械产品质量检验中心 | Tester and testing method for dry microbial barrier of breathable packaging material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 266000 No. 1 Xueyue Road, Chengyang District, Qingdao City, Shandong Province Patentee after: Qingdao Zhongrui Intelligent Instrument Co.,Ltd. Address before: 266000 room 703, building 1, No. 58 (Shenghe building), Shangdong tou Road, Laoshan District, Qingdao City, Shandong Province Patentee before: QINGDAO ZHONGRUI INTELLIGENT INSTRUMENT Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |