CN205120422U - Sample of portable fluid and preprocessing device - Google Patents
Sample of portable fluid and preprocessing device Download PDFInfo
- Publication number
- CN205120422U CN205120422U CN201520908607.XU CN201520908607U CN205120422U CN 205120422 U CN205120422 U CN 205120422U CN 201520908607 U CN201520908607 U CN 201520908607U CN 205120422 U CN205120422 U CN 205120422U
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- China
- Prior art keywords
- air
- way switch
- switch valve
- sampling
- valve assembly
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Abstract
The utility model relates to a sample of portable fluid and preprocessing device, including the sample storehouse and can provide the air supply system of malleation and negative pressure, store pending fluid in the sample storehouse, oil pipe way intercommunication fluid source is passed through to the bottom in sample storehouse, the air pipe intercommunication is passed through on the upper portion in sample storehouse the air supply system, the air supply system is including air pump, air way switch valve subassembly, filter and the controller that can provide malleation and negative pressure, air pump and filter and air way switch valve subassembly constitute gas circulation's route, carry out filtration, the malleation or the negative pressure operating condition of controller control air pump, and the on -state of air way switch valve subassembly is still controlled to the simultaneous control ware. The utility model discloses utilize negative pressure principle can remove the bubble fast, but also can regard as high -viscosity liquid's power supply.
Description
Technical field
The utility model belongs to particle monitoring technique field, is specifically related to a kind of portable fluid sampling and pretreatment unit.
Background technology
At present, in particle detection industry, the sampling detection of portable set is all direct sample substantially or detects, because the factor such as bubble and liquid viscosity has had a strong impact on the precision of testing result after simple process.In testing process, due to the limitation of laser light blockage method, generally bubble is mistakened as and does particle to calculate, so the existence of bubble has a strong impact on the accuracy of detection; General portable detection equipment its own system is limited in one's ability, causes extracting liquid volume deficiency and then reduction accuracy of detection for high viscosity liquid owing to being short of power.
Existing treatment technology generally selects static, several mode such as ultrasound wave and heating water bath.Static placement can make the bubble in sample eliminate, and it is long that shortcoming is to need the time, especially cannot receive for high viscosity liquid time span, and for low-viscosity (mobile) liquid, and contamination particle but due to static and precipitate, destroys the homogeneity of sample; Although ultrasound wave can eliminate bubble fast, there is certain destruction for volatile liquid and adjuvant, and not high for the clearance of small size bubbles, have minute bubbles remnants; Although heating water bath also can eliminate bubble and reduce viscosity, if temperature is low, bubble and viscosity B coefficent not obvious, if temperature is too high, accelerate the volatilization of liquid.
Utility model content
In order to overcome the many disadvantages that prior art exists, the utility model provides the sampling of a kind of portable fluid and pretreatment unit, and this device utilizes principle of negative pressure can bubble removing fast, but also can as the power source of high viscosity liquid.
The technical scheme that the utility model adopts is:
A kind of portable fluid sampling and pretreatment unit, comprise sampling storehouse and can provide the air supply system of malleation and negative pressure; Store pending fluid in described sampling storehouse, the bottom in described sampling storehouse is communicated with fluid source by oil pipe line; The top in described sampling storehouse is communicated with described air supply system by air pipe.
Further, described air supply system comprises air pump, air way switch valve assembly, filtrator and the controller that can provide malleation and negative pressure; The air entry of described air pump is communicated with described air way switch valve assembly, and the exhausr port of described air pump is communicated with the air intake opening of described filtrator, and the gas outlet of described filtrator is communicated with described air way switch valve assembly, and described air way switch valve assembly is communicated with air; Described controller is connected with described air pump and described air way switch valve electrical component, and described controller controls described air pump and exports barotropic gas or negative-pressure gas, and described controller controls the gas circuit conducting state of described air way switch valve assembly; Described air way switch valve assembly is connected with described sampling storehouse.
Further, described air way switch valve assembly comprises multiple two-bit triplet pneumatic valve, 1 to 5 MPa that described two-bit triplet pneumatic valve is withstand voltage.
Further, described air pump is malleation parameter is 0.7MPa, and negative pressure parameter is the plunger type air pump of 0.08MPa.
Further, the filtering degree of described filtrator is 3 microns, withstand voltage 1 to 5 MPa.
Further, described portable fluid sampling and pretreatment unit also comprise voltage regulation part, and described voltage regulation part comprises the adjustable pressure valve being communicated in top, described sampling storehouse and the tensimeter be connected with described adjustable pressure valve.Described tensimeter is for showing the air pressure inside described sampling storehouse, and when air pressure is too high, additional air can be overflowed by described adjustable pressure valve.
Further, described manometric measurement range is 1 to 5 MPa, and the range of regulation of described adjustable pressure valve is 1 to 5 MPa.
Further, the volume scope in described sampling storehouse is 1 to 2 liter, withstand voltage 1 to 5 MPa.
The beneficial effects of the utility model are: can realize sampling the subnormal ambient in storehouse by controller control air pump and air way switch valve assembly, thus eliminate bubble fast, measure more accurate; Air pump can provide malleation also can provide negative pressure simultaneously, thus for the fluid in sampling storehouse provides the power source needed for flowing under differential pressure action.
Accompanying drawing explanation
Fig. 1 is that parts of the present utility model connect block diagram.
In figure: 1, sample storehouse; 2, air supply system; 3, voltage regulation part; 201, air pump; 202, air way switch valve assembly; 203, filtrator; 204, controller; 301, tensimeter; 302, adjustable pressure valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, clearly to describe structure of the present utility model, annexation and application mode.
It should be noted that: in Fig. 1, black arrows represents the gas flow direction of gas circuit, black hollow arrow represents the flow direction of fluid.
As shown in Figure 1, the utility model provides a kind of portable fluid sampling and pretreatment unit, comprises sampling storehouse 1 and can provide the air supply system 2 of malleation and negative pressure; Store pending fluid in described sampling storehouse 1, the bottom in described sampling storehouse 1 is communicated with fluid source by oil pipe line; The top in described sampling storehouse 1 is communicated with described air supply system 2 by air pipe.
Described air supply system 2 comprises air pump 201, air way switch valve assembly 202, filtrator 203 and the controller 204 that can provide malleation and negative pressure; The air entry of described air pump 201 is communicated with described air way switch valve assembly 202, the exhausr port of described air pump 201 is communicated with the air intake opening of described filtrator 203, the gas outlet of described filtrator 203 is communicated with described air way switch valve assembly 202, and described air way switch valve assembly 202 is communicated with air; Described controller 204 is electrically connected with described air pump 201 and described air way switch valve assembly 202, described controller 204 controls described air pump 201 and exports barotropic gas or negative-pressure gas, and described controller 204 controls the gas circuit conducting state of described air way switch valve assembly 202; Described air way switch valve assembly 202 is connected with described sampling storehouse 1.
Described portable fluid sampling and pretreatment unit also comprise voltage regulation part 3, and described voltage regulation part 3 comprises the adjustable pressure valve 302 being communicated in top, described sampling storehouse 1 and the tensimeter 301 be connected with described adjustable pressure valve 302.
It should be noted that:
Sampling storehouse 1, connected pipes road, its underpart, for temporarily storing pending fluid.Tensimeter 301 and adjustable pressure valve 302, by regulating adjustable pressure valve 302 to set maximum pressure-bearing value in sampling storehouse 1, being greater than this value air and automatically overflowing, ensureing that pressure is not more than maximum pressure-bearing value.Air way switch valve assembly 202, for controlling the switching of the air-flow direction when negative pressure oil pumping, negative pressure maintenance bubble removing and malleation are fuel-displaced.Filtrator 203, prevents the pollutant in air and moisture from entering.Air pump 201, can provide malleation to provide negative pressure.Controller 204, comprises power supply, controls the action of air pump 201 action and air way switch valve assembly 202.
Embodiment:
First selecting structure parts, to select top to be cylindrical lower part be cone shape bucket in sampling storehouse 1, volume 1 to 2L, seals withstand voltagely to be not less than 5MPa.Rain glass chosen by tensimeter 301, and range is 1 to 5MPa.The compression resistance of adjustable pressure valve 302 is not less than 5MPa.Air way switch valve assembly 202 is selected multiple two-bit triplet pneumatic valve to be connected and is formed, and is withstand voltagely not less than 5MPa.Filtrator 203 selects filtering degree to be the fine air filtrator 203 of 3 microns, and withstand voltage is not less than 5MPa.The metal column plug pneumatic pump 201 of malleation parameter 0.7MPa, negative pressure parameter 0.08MPa selected by air pump 201.Self-powered function selected by controller 204, and its inner composition comprises power circuit, single-chip microcomputer, control output relay.Sampling storehouse 1 and adjustable pressure valve 302, the connecting line between adjustable pressure valve 302 with tensimeter 301 adopts hard tube to be connected.Sampling storehouse 1 is connected by flexible pipe with between air way switch valve assembly 202.Air way switch valve assembly 202 is connected with ambient atmosphere.
Specific works flow process comprises following three duties:
Negative pressure is pumped: under the control of controller 204, air pump 201 is adjusted to negative pressure pattern; Air in sampling storehouse 1 enters from air way switch valve assembly 202 under air pump 201 negative pressure pattern provides power, flows through air pump 201, filtrator 203, discharges air by air way switch valve assembly 202.Oil circuit is opened, and fluid flows into sampling storehouse 1.
Negative pressure keeps-removes bubble: oil circuit is closed static, and air way switch valve assembly 202 is closed, and sampling storehouse 1 keeps negative pressure state to leave standstill 60S, and bubble is eliminated.
Malleation is fuel-displaced: controller 204 controls air pump 201 and opens barotropic model, and the air in air, under air pump 201 provides kinetic energy, sucks air way switch valve assembly 202, flows through air pump 201, filtrator 203, flows into sampling storehouse 1 by air way switch valve assembly 202; After pressurization 90S, oil circuit is opened, and fluid flows out sampling storehouse 1.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection domain of the present utility model.
Claims (8)
1. portable fluid sampling and a pretreatment unit, is characterized in that: comprise sampling storehouse and can provide the air supply system of malleation and negative pressure; Store pending fluid in described sampling storehouse, the bottom in described sampling storehouse is communicated with fluid source by oil pipe line; The top in described sampling storehouse is communicated with described air supply system by air pipe.
2. the portable fluid sampling of one according to claim 1 and pretreatment unit, is characterized in that: described air supply system comprises air pump, air way switch valve assembly, filtrator and the controller that can provide malleation and negative pressure; The air entry of described air pump is communicated with described air way switch valve assembly, and the exhausr port of described air pump is communicated with the air intake opening of described filtrator, and the gas outlet of described filtrator is communicated with described air way switch valve assembly, and described air way switch valve assembly is communicated with air; Described controller is connected with described air pump and described air way switch valve electrical component, and described controller controls described air pump and exports barotropic gas or negative-pressure gas, and described controller controls the gas circuit conducting state of described air way switch valve assembly; Described air way switch valve assembly is connected with described sampling storehouse.
3. the portable fluid sampling of one according to claim 2 and pretreatment unit, is characterized in that: described air way switch valve assembly comprises multiple two-bit triplet pneumatic valve, 1 to 5 MPa that described two-bit triplet pneumatic valve is withstand voltage.
4. the portable fluid sampling of one according to claim 2 and pretreatment unit, it is characterized in that: described air pump is malleation parameter is 0.7MPa, negative pressure parameter is the plunger type air pump of 0.08MPa.
5. the portable fluid sampling of one according to claim 2 and pretreatment unit, is characterized in that: the filtering degree of described filtrator is 3 microns, withstand voltage 1 to 5 MPa.
6. the portable fluid sampling of one according to claim 1 and 2 and pretreatment unit, it is characterized in that: also comprise voltage regulation part, described voltage regulation part comprises the adjustable pressure valve being communicated in top, described sampling storehouse and the tensimeter be connected with described adjustable pressure valve.
7. the portable fluid sampling of one according to claim 6 and pretreatment unit, it is characterized in that: described manometric measurement range is 1 to 5 MPa, the range of regulation of described adjustable pressure valve is 1 to 5 MPa.
8. the portable fluid sampling of one according to claim 1 and pretreatment unit, is characterized in that: the volume scope in described sampling storehouse is 1 to 2 liter, withstand voltage 1 to 5 MPa.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520908607.XU CN205120422U (en) | 2015-11-13 | 2015-11-13 | Sample of portable fluid and preprocessing device |
Applications Claiming Priority (1)
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CN201520908607.XU CN205120422U (en) | 2015-11-13 | 2015-11-13 | Sample of portable fluid and preprocessing device |
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CN205120422U true CN205120422U (en) | 2016-03-30 |
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CN201520908607.XU Expired - Fee Related CN205120422U (en) | 2015-11-13 | 2015-11-13 | Sample of portable fluid and preprocessing device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109540598A (en) * | 2018-10-30 | 2019-03-29 | 山西钢科碳材料有限公司 | High viscosity liquid sampler |
CN112092505A (en) * | 2020-08-20 | 2020-12-18 | 江苏集萃微纳自动化***与装备技术研究所有限公司 | Continuous ink supply control system for ink-jet printing |
CN116699167A (en) * | 2023-08-08 | 2023-09-05 | 江中药业股份有限公司 | Sample injector for tight-fold combined instrument and control method thereof |
-
2015
- 2015-11-13 CN CN201520908607.XU patent/CN205120422U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109540598A (en) * | 2018-10-30 | 2019-03-29 | 山西钢科碳材料有限公司 | High viscosity liquid sampler |
CN112092505A (en) * | 2020-08-20 | 2020-12-18 | 江苏集萃微纳自动化***与装备技术研究所有限公司 | Continuous ink supply control system for ink-jet printing |
CN116699167A (en) * | 2023-08-08 | 2023-09-05 | 江中药业股份有限公司 | Sample injector for tight-fold combined instrument and control method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170309 Address after: 102433 Beijing city Fangshan District Doudian Town Long Road 32 Patentee after: Beijing air peak sincere Equipment Technology Co., Ltd. Address before: 100000 Beijing City, Haidian District Zhongguancun Road No. 18 smartfortune International Building C 306 Patentee before: Beijing Hang Feng Ke Wei Equipment Technology Co., Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20181113 |
|
CF01 | Termination of patent right due to non-payment of annual fee |