CN207502245U - A kind of multifunctional gas sampler - Google Patents
A kind of multifunctional gas sampler Download PDFInfo
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- CN207502245U CN207502245U CN201721631924.7U CN201721631924U CN207502245U CN 207502245 U CN207502245 U CN 207502245U CN 201721631924 U CN201721631924 U CN 201721631924U CN 207502245 U CN207502245 U CN 207502245U
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Abstract
The utility model discloses a kind of multifunctional gas samplers, including control system, realize the high-pressure modular of high pressure gas diffusion and compressed gas sampling, the high-pressure modular includes the first air inlet, pressure sensor, high pressure flow sensor, proportioning valve, first gas outlet, solenoid valve, differential pressure pick-up；The inlet end of the pressure sensor and the inlet end of high pressure flow sensor are both connected on first air inlet；The outlet side of the high pressure flow sensor connects the inlet end of the proportioning valve, and the outlet side of the proportioning valve connects first gas outlet；One end of the solenoid valve is connected on the middle part of first gas outlet, and the other end of the solenoid valve connects the differential pressure pick-up；The pressure sensor, high pressure flow sensor, proportioning valve, solenoid valve, differential pressure pick-up are connected with control system.The utility model structure is simplified, rationally, can meet the function of high pressure gas sampling, atmosphere gas sampling and high pressure gas diffuser simultaneously.
Description
Technical field
The utility model is related to gas sampling technologies, more particularly to one kind is provided simultaneously with high pressure gas sampling, atmosphere gas
Sampling and the multifunctional gas sampler of high pressure gas diffuser function.
Background technology
In industries such as pharmacy, food and drink, hygiene medical treatments, it usually needs in the air and production process to production environment
The compressed gas used carries out the detect and assess of microorganism level and dust particle.The acquisition of microorganism and particle be detection and
The basis of assessment, gas sampler and airborne particle counter are then cores.
Gas sampler currently on the market is mainly had time gas borne bacteria sampler and compressed gas sampler.Air swims
The atmospheric air that bacteria sampler is applied to production environment samples, and compressed gas sampler is applied to the sampling of compressed gas.Compression
Gas sampler price general charged is all somewhat expensive, and volume is bigger, not readily portable.Detection for dust particle, existing dirt
Angstrom corpuscular counter can only all detect the gas under normal pressure.When detecting compressed gas, need to add in airborne particle counter front end
Fill a high pressure gas diffuser.When the detection of microorganism level and dust particle for being related to air and high pressure gas simultaneously,
At least four instrument is needed, it is not readily portable.The annual verification of instrument safeguards to be also a no small expense.
Utility model content
The purpose of the utility model is to overcome deficiencies of the prior art, provide a kind of multi-functional gas sampler, this
Gas sampler can meet high pressure gas sampling and the function of atmosphere gas sampling and high pressure gas diffuser simultaneously.
Technical solution is used by the utility model：A kind of multifunctional gas sampler including control system, is realized high
The high-pressure modular of gas diffusion and compressed gas sampling is pressed, the high-pressure modular includes the first air inlet, pressure sensor, high pressure
Flow sensor, proportioning valve, the first gas outlet, solenoid valve, differential pressure pick-up；The inlet end of the pressure sensor and the height
The inlet end of pressure flow sensor is both connected on first air inlet；The outlet side connection institute of the high pressure flow sensor
The inlet end of proportioning valve is stated, the outlet side of the proportioning valve connects first gas outlet；One end of the solenoid valve is connected to
On the middle part of first gas outlet, the other end of the solenoid valve connects the differential pressure pick-up；The pressure sensor, institute
High pressure flow sensor, the proportioning valve, the solenoid valve, the differential pressure pick-up is stated with the control system to be connected.
Wherein, first air inlet is connected with high-pressure air source, and first gas outlet is adopted by sampling pipe and rear end
Sample equipment is connected, the pressure in the first gas outlet detected by the control system according to the differential pressure pick-up with
The magnitude of pressure differential of atmospheric pressure adjusts the opening degree of the proportioning valve, realizes high pressure gas diffusion function.
Wherein, first air inlet is connected on the outlet side of high pressure sampling head, first gas outlet joint noise reduction
Device detects obtained air-flow in real time by the control system according to the pressure sensor and the high pressure flow sensor
Dynamic pressure and mass flow adjust the opening degree of the proportioning valve, realize compressed gas sampling functions.
A kind of multifunctional gas sampler of the utility model further includes the normal pressure module for realizing atmosphere gas sampling, described normal
Die block includes the normal pressure sampling head that can be dismantled, wind turbine annular seal space, wind turbine, normal pressure flow sensor, the second gas outlet；It is described normal
Press sampling head by clamp connection on the air inlet of the wind turbine annular seal space, the wind turbine is arranged in the wind turbine annular seal space
Side, the opposite side in the wind turbine annular seal space is gas passage, the air inlet of the wind turbine and the wind turbine annular seal space
Air inlet is tightly connected, and the gas outlet of the wind turbine is connected with the gas passage；The gas outlet of the wind turbine annular seal space connects
The air inlet of the normal pressure flow sensor is connect, the air inlet of the normal pressure flow sensor is connected with the gas passage,
The gas outlet of the normal pressure flow sensor is connected to second gas outlet；The wind turbine and the normal pressure flow sensor are equal
It is connected with the control system.
Further, the range of the differential pressure pick-up is -6.9Kpa~+6.9Kpa.
Further, pressure resistance ranging from -690Kpa~+690Kpa of the solenoid valve.
Further, first air inlet is quick connector.
Further, first gas outlet is the pagoda connector that can be replaced.
Further, one end of the solenoid valve is connected by pagoda connector with first gas outlet.
The beneficial effects of the utility model are：One gas sampler of the utility model can realize a variety of sampling functions, work(
It can 1. high pressure gas diffusers：Compressed gas is depressurized into normal pressure state, and can accurately control the gas of the port of export from high pressure conditions
Body pressure and flow；2. compressed gas sampler of function：It can be directly used for the sampling of compressed gas；3. atmosphere gas of function is adopted
Sample：The sampling of aerial bacterioplankton in the sampling of regular air flcating germ and isolator.The utility model gas sampler structure essence
Simple, reasonable, design concept is ingenious.
Description of the drawings
Fig. 1：A kind of high-pressure modular structure diagram of multifunctional gas sampler of the utility model；
Fig. 2：A kind of normal pressure modular structure schematic diagram of multifunctional gas sampler of the utility model.
Attached drawing marks：The first air inlets of 1-, 2- pressure sensors, 3- high pressure flow sensors, 4- proportioning valves, 5- first go out
Gas port, 6- solenoid valves, 7- differential pressure pick-ups, 8- normal pressure sampling heads, 9- clips, 10- wind turbine annular seal spaces, 11- wind turbines, 12- normal pressures
Flow sensor, the second gas outlets of 13-.
Specific embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 and 2, a kind of multifunctional gas sampler, including realizing high pressure gas diffusion and compressed gas
The high-pressure modular of sampling and the normal pressure module for realizing atmosphere gas sampling.
The high-pressure modular include the first air inlet 1, pressure sensor 2, high pressure flow sensor 3, proportioning valve 4, first
Gas outlet 5, solenoid valve 6, differential pressure pick-up 7；The inlet end of the pressure sensor 2 and the high pressure flow sensor 3 into
Gas end is both connected on first air inlet 1.The outlet side of the high pressure flow sensor 3 connect the proportioning valve 4 into
Gas end, the outlet side of the proportioning valve 4 connect first gas outlet 5；One end of the solenoid valve 6 is connected by pagoda connector
On the middle part of first gas outlet 5, the other end of the solenoid valve 6 connects the differential pressure pick-up 7, the differential pressure sensing
The other end of device 7 is used to detect atmospheric pressure.Wherein, first air inlet 1 is quick connector；First gas outlet 5 is
The pagoda connector that can be replaced；The range of the differential pressure pick-up 7 is -6.9Kpa~+6.9Kpa；The pressure-resistant model of the solenoid valve 6
It encloses for -690Kpa~+690Kpa.
The normal pressure module includes the normal pressure sampling head 8 that can be dismantled, wind turbine annular seal space 10, wind turbine 11, normal pressure flow sensing
Device 12, the second gas outlet 13；The normal pressure sampling head 8 is connected to by clip 9 on the air inlet of the wind turbine annular seal space 10, institute
State the side that wind turbine 11 is arranged in the wind turbine annular seal space 10, the wind turbine annular seal space 10 by the air inlet of the wind turbine 11 and
Gas outlet seal, the opposite side in the wind turbine annular seal space 10 are gas passage, air inlet and the wind turbine of the wind turbine 11
The air inlet of annular seal space 10 is tightly connected, and the gas outlet of the wind turbine 11 is connected with the gas passage；The wind turbine sealing
The gas outlet of chamber 10 connects the air inlet of the normal pressure flow sensor 12, the air inlet of the normal pressure flow sensor 12 and institute
It states gas passage to be connected, the gas outlet of the normal pressure flow sensor 12 is connected to second gas outlet 13.
A kind of multifunctional gas sampler of the utility model further includes control system, the control system and the high pressing mold
Pressure sensor 2, high pressure flow sensor 3, proportioning valve 4, solenoid valve 6, the differential pressure pick-up 7 of block, the wind of the normal pressure module
Machine 11, normal pressure flow sensor 12 are connected.
The realization of high pressure diffuser function：First air inlet 1 is connected with high-pressure air source, first gas outlet 5
It is connected by sampling pipe with rear end sample devices (such as borne bacteria sampler, airborne particle counter), is by the control
System is adjusted according to the pressure in obtained the first gas outlet 5 of the differential pressure pick-up 7 detection and the magnitude of pressure differential of atmospheric pressure
The opening degree of the proportioning valve 4 realizes high pressure gas diffusion function, ensures required for accurately providing it for rear end detection device
Gas flow.Specific work process is：When the detection device of connection does not start, pressure and air in the first gas outlet 5
Pressure difference is zero, and proportioning valve 4 is closed at this time, without air-flow；When the rear end sample devices of connection starts, in the first gas outlet 5
Pressure is smaller than atmospheric pressure, and proportioning valve 4 is gradually opened at this time, and until rear end, sample devices reaches required flow；When more than
During the required flow of rear end sample devices, pressure is more powerful than atmospheric pressure in the first gas outlet 5, and 4 opening degree of proportioning valve subtracts at this time
Small, when flow required less than rear end sample devices, pressure is smaller than atmospheric pressure in the first gas outlet 5, at this time proportioning valve 4
Opening degree increases, and so repeatedly, makes the precise and stable state in a dynamic equilibrium of rear end sample devices；When the rear end of connection is adopted
After sample equipment is closed, pressure is more powerful than atmospheric pressure in the first gas outlet 5, and 4 opening degree of proportioning valve reduces at this time, until proportioning valve 4
It completely closes.
The realization of high pressure gas sampling functions：First air inlet 1 is connected on the outlet side of high pressure sampling head, described
First gas outlet, 5 joint noise reduction device, by the control system according to the pressure sensor 2 and the high pressure flow sensor
3 detect the dynamic pressure and quality stream of obtained air-flow in real time, to adjust the opening degree of the proportioning valve 4, realize compressed gas
Sampling functions, precisely to reach set flow.
The realization of atmosphere gas sampling functions：Normal pressure flow sensor 12 forms a closed-loop system, flow with wind turbine 11
The flow that sensor detects the second gas outlet 13 is transmitted to control system, and control system is adjusted according to the flow of the second gas outlet 13
11 rotating speed of wind turbine is saved to control the air inlet flow of wind turbine 11, ensures the flow accuracy of sample gas, obtains accurate sample streams
Amount.
Although the preferred embodiment of the utility model is described above in conjunction with attached drawing, the utility model is not
Above-mentioned specific embodiment is confined to, above-mentioned specific embodiment is only schematical, is not restricted, ability
The those of ordinary skill in domain is not departing from the utility model aims and claimed under the enlightenment of the utility model
Under ambit, many forms can also be made, these are belonged within the scope of protection of the utility model.
Claims (9)
1. a kind of multifunctional gas sampler, including control system, which is characterized in that further include and realize high pressure gas diffusion and pressure
The high-pressure modular of contracting gas sampling, the high-pressure modular include the first air inlet, pressure sensor, high pressure flow sensor, than
Example valve, the first gas outlet, solenoid valve, differential pressure pick-up；The inlet end of the pressure sensor and the high pressure flow sensor
Inlet end be both connected on first air inlet；The outlet side of the high pressure flow sensor connect the proportioning valve into
Gas end, the outlet side of the proportioning valve connect first gas outlet；One end of the solenoid valve is connected to first outlet
On the middle part of mouth, the other end of the solenoid valve connects the differential pressure pick-up；The pressure sensor, the high pressure flow pass
Sensor, the proportioning valve, the solenoid valve, the differential pressure pick-up are connected with the control system.
2. a kind of multifunctional gas sampler according to claim 1, which is characterized in that first air inlet and high pressure
Air source is connected, and first gas outlet is connected by sampling pipe with rear end sample devices, by the control system according to
The differential pressure pick-up detects in the first gas outlet pressure and the magnitude of pressure differential of atmospheric pressure adjust the ratio
The opening degree of valve realizes high pressure gas diffusion function.
3. a kind of multifunctional gas sampler according to claim 1, which is characterized in that first air inlet is connected to
On the outlet side of high pressure sampling head, the first gas outlet joint noise reduction device is passed by the control system according to the pressure
Sensor and the high pressure flow sensor detect dynamic pressure and the mass flow of obtained air-flow to adjust the ratio in real time
The opening degree of valve realizes compressed gas sampling functions.
4. a kind of multifunctional gas sampler according to claim 1, which is characterized in that further include and realize that atmosphere gas is adopted
The normal pressure module of sample, the normal pressure module include the normal pressure sampling head that can be dismantled, wind turbine annular seal space, wind turbine, normal pressure flow sensing
Device, the second gas outlet；By clamp connection on the air inlet of the wind turbine annular seal space, the wind turbine is set the normal pressure sampling head
Put the side in the wind turbine annular seal space, the opposite side in the wind turbine annular seal space is gas passage, the air inlet of the wind turbine
The air inlet of mouth and the wind turbine annular seal space is tightly connected, and the gas outlet of the wind turbine is connected with the gas passage；It is described
The gas outlet of wind turbine annular seal space connects the air inlet of the normal pressure flow sensor, the air inlet of the normal pressure flow sensor with
The gas passage is connected, and the gas outlet of the normal pressure flow sensor is connected to second gas outlet；The wind turbine and
The normal pressure flow sensor is connected with the control system.
5. a kind of multifunctional gas sampler according to claim 1-3 any one, which is characterized in that the differential pressure passes
The range of sensor is -6.9Kpa~+6.9Kpa.
A kind of 6. multifunctional gas sampler according to claim 1-3 any one, which is characterized in that the solenoid valve
Pressure resistance ranging from -690Kpa~+690Kpa.
7. a kind of multifunctional gas sampler according to claim 1-3 any one, which is characterized in that described first into
Gas port is quick connector.
8. a kind of multifunctional gas sampler according to claim 1-3 any one, which is characterized in that described first goes out
Gas port is the pagoda connector that can be replaced.
A kind of 9. multifunctional gas sampler according to claim 1-3 any one, which is characterized in that the solenoid valve
One end be connected by pagoda connector with first gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721631924.7U CN207502245U (en) | 2017-11-29 | 2017-11-29 | A kind of multifunctional gas sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721631924.7U CN207502245U (en) | 2017-11-29 | 2017-11-29 | A kind of multifunctional gas sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207502245U true CN207502245U (en) | 2018-06-15 |
Family
ID=62507615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721631924.7U Active CN207502245U (en) | 2017-11-29 | 2017-11-29 | A kind of multifunctional gas sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207502245U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357919A (en) * | 2018-11-19 | 2019-02-19 | 深圳国技仪器有限公司 | Portable wide-range atmospheric sampling instrument |
| CN109854956A (en) * | 2018-12-29 | 2019-06-07 | 江苏苏净集团有限公司 | A kind of sampling high pressure gas diffuser |
-
2017
- 2017-11-29 CN CN201721631924.7U patent/CN207502245U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357919A (en) * | 2018-11-19 | 2019-02-19 | 深圳国技仪器有限公司 | Portable wide-range atmospheric sampling instrument |
| CN109357919B (en) * | 2018-11-19 | 2024-03-22 | 深圳国技仪器有限公司 | Portable wide-range atmospheric sampling instrument |
| CN109854956A (en) * | 2018-12-29 | 2019-06-07 | 江苏苏净集团有限公司 | A kind of sampling high pressure gas diffuser |
| CN109854956B (en) * | 2018-12-29 | 2024-02-27 | 江苏苏净集团有限公司 | High-pressure gas diffuser for sampling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300392 Tianjin Xiqing District Huayuan Industrial Area (outside the ring) Hai Tai development five road 16 building B-7 four floor. Patentee after: Mcweier (Tianjin) Technology Co., Ltd Address before: 300392 Tianjin Xiqing District Huayuan Industrial Area (outside the ring) Hai Tai development five road 16 building B-7 four floor. Patentee before: TIANJIN JINMEI ZHONGCE TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |