CN216717939U - Frequency conversion atmospheric sampling ware - Google Patents
Frequency conversion atmospheric sampling ware Download PDFInfo
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- CN216717939U CN216717939U CN202123360835.2U CN202123360835U CN216717939U CN 216717939 U CN216717939 U CN 216717939U CN 202123360835 U CN202123360835 U CN 202123360835U CN 216717939 U CN216717939 U CN 216717939U
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Abstract
The utility model discloses a variable-frequency atmosphere sampler which comprises a sampling gas path, wherein the sampling gas path is supported by a gas path component bracket, and the gas path component bracket is fixed on the side wall of a mainframe box by screws; the sampling gas circuit is connected to the gas circuit interface through the gas circuit connecting pipe, the plurality of gas circuit interfaces are arranged on the upper end face of the mainframe box, and the gas circuit interface is connected to the gas pump through the internal pipeline of the mainframe box; the flow adjusting devices are correspondingly arranged on the independent air paths, so that the flow of different air paths can be adjusted in real time according to requirements, and convenience and rapidness are realized; through set up the desicator in the sample collection gas circuit, effectively prevent that the maloperation from resulting in the absorption liquid suck-back, reinforcing instrument security.
Description
Technical Field
The utility model relates to the field of atmosphere detection and multi-gas sampling, in particular to a variable-frequency atmosphere sampler.
Background
The gas sampling is the indispensable part of atmospheric environment monitoring, through gathering the atmospheric sample, in order to take different determination methods to the sample, come the analysis and calculate harmful gas's concentration, can send the atmospheric sample of gathering to the laboratory generally and survey the analysis, but if the way is far away, the sample storage time overlength, can exert an influence to the survey effect, consequently more quick determination instrument has also appeared on the market, quick synthetic reagent when gathering the sample, and adopt corresponding detecting instrument to carry out the spot survey, in order to obtain the result fast, but to some environment, there are multiple harmful gas, the independent sampling survey of wantonly going on many times, the efficiency is lower.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides the variable-frequency atmosphere sampler which can be used for simultaneously collecting one or two harmful gases and respectively regulating the flow of each gas path according to the sampling requirement.
The technical scheme is as follows: in order to achieve the purpose, the variable-frequency atmosphere sampler comprises a sampling gas path, wherein the sampling gas path is supported by a gas path component bracket, and the gas path component bracket is fixed on the side wall of a main case through a screw; the sampling gas circuit is connected to a gas circuit interface through a gas circuit connecting pipe, a plurality of gas circuit interfaces are arranged on the upper end face of the mainframe box, the gas circuit interfaces are connected to a gas pump through an internal pipeline of the mainframe box, the gas pump is arranged in the mainframe box, and a flow valve and a flow meter are arranged in the internal pipeline of the mainframe box according to the gas flow direction; the flow valve passes through adjust knob control, the flowmeter is vertical to be set up in the mounting groove, and is a plurality of the mounting groove is corresponding to a plurality of the gas circuit interface is arranged and is set up on operating panel, the last display screen that is provided with of operating panel, display screen signal receive in built-in microprocessor of mainframe box.
Furthermore, the sampling gas circuit comprises an absorption bottle, the absorption bottle is a U-shaped tubular glass container, two ports of the absorption bottle are respectively a gas suction port and a gas outlet, the gas suction port, the gas inlet section, the bending section, the absorption section, the exhaust section and the gas outlet are sequentially arranged from the gas suction port to the gas outlet, the gas outlet is connected to the gas inlet interface of the dryer through a gas circuit connecting pipe, and the gas outlet interface of the dryer is connected to the gas circuit interface through a gas circuit connecting pipe; the air inlet section and the absorption section are coplanar and keep a certain included angle, and the positions of the pipe wall of the air inlet section and the pipe wall of the absorption section, which are close to each other, are connected through a glass transverse shaft.
Furthermore, the absorption section has sectional pipe diameter change along the axial direction and is respectively a cylindrical section and a spherical section from bottom to top; the pipe diameters of the air inlet section, the bending section and the exhaust section are consistent, and the pipe diameter of the cylindrical section is larger than those of the air inlet section, the bending section and the exhaust section; the pipe diameter of the spherical section is continuously increased from the pipe diameter of the cylindrical section to the maximum pipe diameter, and then is continuously reduced from the maximum pipe diameter to the pipe diameter of the exhaust section.
Furthermore, the dryer comprises a drying agent tank, an air distribution pipe is vertically arranged in the center of the drying agent tank, a plurality of air distribution holes are uniformly distributed on the pipe wall of the air distribution pipe, the upper end face of the air distribution pipe is lower than the tank opening of the drying agent tank, an interface mounting plate covers the tank opening of the drying agent tank, a rubber gasket is arranged between the bottom surface of the interface mounting plate and the tank opening of the drying agent tank in a cushioning mode, the edge of the interface mounting plate is pressed through an annular gland, and the annular gland and the tank opening of the drying agent tank are screwed and fixed through threads;
be provided with on the interface mounting panel the interface that admits air and the interface of giving vent to anger, the interface that admits air is located interface mounting panel center, just the interface that admits air down the port insert in the gas distribution pipe, the interface of giving vent to anger set up in the arbitrary one side of interface that admits air.
Furthermore, the gas circuit component support comprises an upper support plate and a lower support plate, the upper support plate and the lower support plate are arranged in parallel at a spacing, and the upper support plate and the lower support plate are fixedly arranged on the side wall of the mainframe box through a side mounting plate;
the side mounting plate is provided with two parallel slotted holes, the mounting plate penetrates through the two slotted holes respectively through two screws to be screwed and fixed with the side wall of the mainframe box, and the two screws are located at two ends, with oblique angles, of the two slotted holes opposite to each other.
Further, go up the backup pad and correspond respectively on the lower backup pad and be provided with supporting groove and absorption bottle lower supporting groove on the absorption bottle, on the absorption bottle supporting groove according to the profile setting support in spherical section department, absorption bottle lower supporting groove according to the profile setting lateral support in the pipe wall of section admits air.
Furthermore, a carrying handle is further arranged on the upper end face of the mainframe box and comprises two short rods and a holding part, two ends of the holding part are respectively hinged to the end parts of the two short rods, the short rods are telescopically arranged on the bottom surface of an accommodating groove, the accommodating groove is formed in the upper end face of the mainframe box, and the accommodating groove is arranged according to the outline of the holding part; and a notch groove is also formed in the side edge of the middle part of the accommodating groove.
Has the advantages that: the variable-frequency atmosphere sampler is provided with the four gas path interfaces, so that the connection of one to two gas sample collecting gas paths and corresponding auxiliary gas paths can be met, one to two gas samples in the same area can be collected simultaneously, and the sampling efficiency is greatly improved; the flow adjusting devices are correspondingly arranged on the independent air paths, so that the flow of different air paths can be adjusted in real time according to requirements, and convenience and rapidness are realized; through set up the desicator in the sample collection gas circuit, effectively prevent that the maloperation from resulting in the absorption liquid suck-back, reinforcing instrument security.
Drawings
FIG. 1 is a structural diagram of a variable frequency atmospheric sampler;
FIG. 2 is a block diagram of the position of the adjustment knob and flow meter;
FIG. 3 is a view showing the structure of an absorption bottle;
FIG. 4 is a block diagram of the dryer;
FIG. 5 is a view of the gas circuit assembly support;
fig. 6 is a structural view of the carrying handle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The variable-frequency atmosphere sampler as shown in the attached figures 1 to 6 comprises a sampling gas path, wherein the sampling gas path is supported by a gas path component support 1, and the gas path component support 1 is fixed on the side wall of a main case 2 through screws; the sampling gas circuit is connected to a gas circuit interface 3 through a gas circuit connecting pipe, a plurality of gas circuit interfaces 3 are arranged on the upper end face of the mainframe box 2, the gas circuit interfaces 3 are connected to a gas pump through a pipeline inside the mainframe box 2, the gas pump is arranged inside the mainframe box 2, and a flow valve and a flow meter 4 are arranged in the pipeline inside the mainframe box 2 according to the gas flow direction; the flow valve is controlled by an adjusting knob 5, the flow meter 4 is vertically arranged in a mounting groove 6, the mounting grooves 6 are arranged on an operation panel 7 corresponding to the air channel interfaces 3, a display screen 8 is arranged on the operation panel 7, and signals of the display screen 8 are received by a microprocessor arranged in the main case 2;
through being provided with a plurality of gas circuit interfaces, can carry out the sample collection of multiple gas simultaneously, and every gas circuit is all mutually independent, can carry out the regulation of flow alone, in order to satisfy the flow requirement that different gases are being sampled, through installing the flowmeter in the mounting groove, and the outside attaches transparent toughened glass, when being convenient for pay close to the flow count value, avoid the flowmeter to receive the damage, the display screen can be used to show the information after being handled by microprocessor, and then obtain some monitoring data fast, facilitate for whole atmosphere testing process.
The sampling gas circuit comprises an absorption bottle 9, the absorption bottle 9 is a U-shaped tubular glass container, two ports of the absorption bottle 9 are a gas suction port 12 and a gas outlet 13 respectively, the gas suction port 12, a gas inlet section 14, a bending section 15, an absorption section 16, an exhaust section 17 and the gas outlet 13 are sequentially arranged from the gas suction port 12 to the gas outlet 13, the gas outlet 13 is connected to a gas inlet interface 19 of the dryer 10 through a gas circuit connecting pipe, and a gas outlet interface 20 of the dryer 10 is connected to the gas circuit interface 3 through a gas circuit connecting pipe; the air inlet section 14 and the absorption section 16 are coplanar and keep a certain included angle, and the positions of the pipe wall of the air inlet section 14 and the pipe wall of the absorption section 16, which are close to each other, are connected through a glass transverse shaft 18;
the absorption bottle structure is strengthened through the glass transverse shaft, so that the absorption bottle is more stable and is not easy to damage.
The absorption section 16 has sectional pipe diameter change along the axial direction and is respectively a cylindrical section 16-1 and a spherical section 16-2 from bottom to top; the pipe diameters of the air inlet section 14, the bending section 15 and the air exhaust section 17 are consistent, and the pipe diameter of the cylindrical section 16-1 is larger than that of the air inlet section 14, the bending section 15 and the air exhaust section 17; the pipe diameter of the spherical section 16-2 is continuously increased from the pipe diameter of the cylindrical section 16-1 to the maximum pipe diameter, and then is continuously reduced from the maximum pipe diameter to the pipe diameter of the exhaust section 17;
when the absorption liquid is in little pipe diameter, because U-shaped tubular structure both sides surface of water atmospheric pressure is unequal, and lead to the final all absorption liquid that admit air the section to get into the absorption section, and because the pipe diameter of absorption section is great, and more up, the pipe diameter is big, when surface of water tension is not enough to restrict the air of absorption liquid below, gas just can pass the absorption liquid and get into the exhaust section, and this process, the air of gathering and absorption liquid abundant contact reaction, extract the air in the relevant gas composition and obtain the test solution, subsequent assay of being convenient for.
The dryer 10 comprises a drying agent tank 21, an air distribution pipe 22 is vertically arranged in the center of the drying agent tank 21, a plurality of air distribution holes are uniformly distributed in the pipe wall of the air distribution pipe 22, the upper end face of the air distribution pipe 22 is lower than the tank opening of the drying agent tank 21, an interface mounting plate 23 covers the tank opening of the drying agent tank 21, a rubber gasket 24 is arranged between the bottom face of the interface mounting plate 23 and the tank opening of the drying agent in a cushioning mode, the edge of the interface mounting plate 23 is tightly pressed through an annular gland 25, and the annular gland 25 is tightly screwed and fixed with the tank opening of the drying agent tank 21 through threads;
the air distribution pipe is directly arranged at the bottom of the drying agent tank, so that inconvenience caused by difficulty in inserting the air distribution pipe after the drying agent is filled is avoided; the air tightness is ensured by arranging the rubber gasket, so that the gas flow measurement caused by gas leakage is avoided being small, and further numerical errors are avoided; the first one is a fixing function through the screwing of the gland, so that the phenomenon that the experiment progress is influenced by mistaken collision and overturn is avoided, and the safety of equipment is improved; secondly, the tightness of the dryer is further ensured.
The interface mounting plate 23 is provided with the air inlet interface 19 and the air outlet interface 20, the air inlet interface 19 is located in the center of the interface mounting plate 23, the lower port of the air inlet interface 19 is inserted into the air distribution pipe 22, and the air outlet interface 20 is arranged on any side of the air inlet interface 19;
the interface mounting plate and the gland are arranged separately, rather than the interface is directly arranged on the cover, so that the air inlet interface can be inserted in a better alignment manner, and friction between the air inlet interface and the air distribution pipe orifice is avoided when the cover is screwed; and the air inlet interface is arranged in the middle part, so that two interfaces can be distinguished conveniently, and wrong connection in the process of externally connecting an air circuit is avoided.
The gas circuit component support 1 comprises an upper support plate 26 and a lower support plate 27, the upper support plate 26 and the lower support plate 27 are arranged in parallel at a certain interval, and the upper support plate 26 and the lower support plate 27 are fixedly arranged on the side wall of the main case 2 through a side mounting plate 28;
the side mounting plate 28 is provided with two parallel slotted holes 29, the mounting plate 28 passes through the two slotted holes 29 respectively through two screws to be screwed and fixed with the side wall of the mainframe box 2, and the two screws are respectively positioned at two opposite ends of the two slotted holes 29;
the position of the air channel component bracket is ensured to be determined in a diagonal fixing mode, and the upper supporting plate and the lower supporting plate are indirectly ensured to be horizontally arranged.
The upper support plate 26 and the lower support plate 27 are respectively and correspondingly provided with an absorption bottle upper support groove 30 and an absorption bottle lower support groove 31, the absorption bottle upper support groove 30 is supported at the spherical section 16-2 according to the contour, and the absorption bottle lower support groove 31 is laterally supported on the pipe wall of the air inlet section 14 according to the contour;
the spherical section and the air inlet section are respectively supported through the upper supporting groove and the lower supporting groove of the absorption bottle, the absorption bottle is limited to a certain degree, and the absorption section of the absorption bottle is guaranteed to be vertically arranged all the time so as to achieve the best sampling effect.
The upper end surface of the main cabinet 2 is further provided with a carrying handle 11, the carrying handle 11 comprises two short rods 32 and a holding part 33, two ends of the holding part 33 are respectively hinged to the end parts of the two short rods 32, the short rods 32 are telescopically arranged on the bottom surface of an accommodating groove 34, the accommodating groove 34 is arranged on the upper end surface of the main cabinet 2, and the accommodating groove 34 is arranged according to the outline of the holding part 33; a notch groove 35 is further formed in the side edge of the middle of the accommodating groove 34;
the portable handle is arranged, so that the carrying is convenient; the portable handle can be accommodated when not in use through the expansion, the hinge joint and the arrangement of the accommodating groove, so that the space is not occupied; through setting up the breach groove, make things convenient for the hand to stretch into and pull out portable handle in the storage tank.
The above is only a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (7)
1. A frequency conversion atmosphere sample thief which characterized in that: the sampling gas circuit is supported by a gas circuit component support (1), and the gas circuit component support (1) is fixed on the side wall of the mainframe box (2) through screws; the sampling gas circuit is connected to a gas circuit interface (3) through a gas circuit connecting pipe, a plurality of gas circuit interfaces (3) are arranged on the upper end face of the mainframe box (2), the gas circuit interfaces (3) are connected to a gas pump through an internal pipeline of the mainframe box (2), the gas pump is arranged inside the mainframe box (2), and a flow valve and a flow meter (4) are arranged in the internal pipeline of the mainframe box (2) according to the gas flow direction; the flow valve passes through adjust knob (5) control, flowmeter (4) are vertical to be set up in mounting groove (6), and are a plurality of mounting groove (6) are corresponding to a plurality of gas circuit interface (3) are arranged and are set up on operating panel (7), be provided with display screen (8) on operating panel (7), display screen (8) signal reception in the built-in microprocessor of mainframe box (2).
2. The variable frequency atmosphere sampler according to claim 1, wherein: the sampling gas circuit comprises an absorption bottle (9), the absorption bottle (9) is a U-shaped tubular glass container, two ports of the absorption bottle (9) are respectively an air suction port (12) and a gas outlet (13), the air suction port (12), an air inlet section (14), a bending section (15), an absorption section (16), an exhaust section (17) and the gas outlet (13) are sequentially arranged from the air suction port (12) to the gas outlet (13), the gas outlet (13) is connected to an air inlet interface (19) of the dryer (10) through a gas circuit connecting pipe, and an air outlet interface (20) of the dryer (10) is connected to the gas circuit interface (3) through a gas circuit connecting pipe; the air inlet section (14) and the absorption section (16) are coplanar and keep a certain included angle, and the positions, close to each other, of the pipe wall of the air inlet section (14) and the pipe wall of the absorption section (16) are connected through a glass transverse shaft (18).
3. The variable frequency atmosphere sampler according to claim 2, wherein: the absorption section (16) has sectional pipe diameter change along the axial direction and is respectively a cylindrical section (16-1) and a spherical section (16-2) from bottom to top; the pipe diameters of the air inlet section (14), the bending section (15) and the exhaust section (17) are consistent, and the pipe diameter of the cylindrical section (16-1) is larger than that of the air inlet section (14), the bending section (15) and the exhaust section (17); the pipe diameter of the spherical section (16-2) is continuously increased from the pipe diameter of the cylindrical section (16-1) to the maximum pipe diameter, and then is continuously reduced from the maximum pipe diameter to the pipe diameter of the exhaust section (17).
4. A variable frequency atmosphere sampler according to claim 3, wherein: the dryer (10) comprises a drying agent tank (21), an air distribution pipe (22) is vertically arranged in the center of the drying agent tank (21), a plurality of air distribution holes are uniformly distributed in the pipe wall of the air distribution pipe (22), the upper end face of the air distribution pipe (22) is lower than the tank opening of the drying agent tank (21), an interface mounting plate (23) covers the tank opening of the drying agent tank (21), a rubber gasket (24) is arranged between the bottom face of the interface mounting plate (23) and the drying agent tank opening in a cushioning mode, the edge of the interface mounting plate (23) is tightly pressed through an annular gland (25), and the annular gland (25) is tightly screwed and fixed with the tank opening of the drying agent tank (21) through threads;
be provided with on interface mounting panel (23) admit air interface (19) and interface (20) of giving vent to anger, interface (19) of admitting air are located interface mounting panel (23) center, just interface inserts under interface (19) of admitting air in gas distribution pipe (22), interface (20) of giving vent to anger set up in interface (19) arbitrary one side admits air.
5. The variable frequency atmosphere sampler according to claim 4, wherein: the gas circuit component support (1) comprises an upper support plate (26) and a lower support plate (27), the upper support plate (26) and the lower support plate (27) are arranged in parallel at intervals, and the upper support plate (26) and the lower support plate (27) are fixedly arranged on the side wall of the mainframe box (2) through a side mounting plate (28);
set up two parallel arrangement's slotted hole (29) on side-mounting board (28), mounting board (28) pass two respectively through two screws slotted hole (29) with mainframe box (2) lateral wall is screwed fixedly, two the screw is located two respectively the relative both ends in slotted hole (29) oblique angle.
6. The variable frequency atmosphere sampler according to claim 5, wherein: go up backup pad (26) and correspond respectively on backup pad (27) and be provided with support groove (30) and absorption bottle lower support groove (31) on the absorption bottle, support groove (30) set up according to the profile on the absorption bottle support in spherical section (16-2) department, absorption bottle lower support groove (31) set up the side direction according to the profile and support in the pipe wall of section of admitting air (14).
7. The variable frequency atmosphere sampler according to claim 1, wherein: the portable handle (11) is further arranged on the upper end face of the mainframe box (2), the portable handle (11) comprises two short rods (32) and a hand-holding part (33), two ends of the hand-holding part (33) are respectively hinged to the end parts of the two short rods (32), the short rods (32) are telescopically arranged on the bottom face of a containing groove (34), the containing groove (34) is formed in the upper end face of the mainframe box (2), and the containing groove (34) is formed according to the outline of the hand-holding part (33); and a notch groove (35) is also formed in the side edge of the middle part of the accommodating groove (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123360835.2U CN216717939U (en) | 2021-12-27 | 2021-12-27 | Frequency conversion atmospheric sampling ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123360835.2U CN216717939U (en) | 2021-12-27 | 2021-12-27 | Frequency conversion atmospheric sampling ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216717939U true CN216717939U (en) | 2022-06-10 |
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ID=81887023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123360835.2U Active CN216717939U (en) | 2021-12-27 | 2021-12-27 | Frequency conversion atmospheric sampling ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216717939U (en) |
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2021
- 2021-12-27 CN CN202123360835.2U patent/CN216717939U/en active Active
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