CN220289129U - Remote filter membrane automatic sampling device - Google Patents
Remote filter membrane automatic sampling device Download PDFInfo
- Publication number
- CN220289129U CN220289129U CN202321768271.2U CN202321768271U CN220289129U CN 220289129 U CN220289129 U CN 220289129U CN 202321768271 U CN202321768271 U CN 202321768271U CN 220289129 U CN220289129 U CN 220289129U
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- Prior art keywords
- sampling
- sleeve
- sealing gland
- filter membrane
- sampling head
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- 238000005070 sampling Methods 0.000 title claims abstract description 104
- 239000012528 membrane Substances 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 210000004907 gland Anatomy 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000013618 particulate matter Substances 0.000 description 15
- 238000001514 detection method Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a remote filter membrane automatic sampling device which comprises a shell, wherein a sampling head is fixed at the top of the shell, a filter membrane is detachably arranged at a sampling port at the upper end of the sampling head, the lower end of the sampling head is connected with an air sampling system with a flowmeter arranged in the shell, the air sampling system is controlled by a remote intelligent control device, a mounting sleeve is arranged on the sampling head in a threaded manner, a sealing gland is vertically arranged on the mounting sleeve in a lifting manner, and a lifting power device for driving the sealing gland to lift is arranged between the sealing gland and the mounting sleeve and is in sealing contact with or separation from the sampling port of the sampling head. The automatic sampling device can take out the filter membrane quickly without tools, and is more convenient to operate.
Description
Technical Field
The utility model relates to the technical field of particulate concentration detection, in particular to a remote filter membrane automatic sampling device.
Background
The dust concentration detection mode is generally two modes, namely detection by sampling through a filter membrane method and detection by a dust concentration detection instrument, wherein the filter membrane method sampling is the most original but accurate detection method. The patent application number is CN201610925963.1, an automatic sampling device for a remote filter membrane and a dust concentration monitoring method thereof are disclosed, the structure of the automatic sampling device is disclosed in the patent application number, remote control sampling can be realized, in an initial state, a sealing gland is in sealing fit with a sampling port of a sampling head, and the filter membrane is arranged in the sampling port and sealed, so that the filter membrane cannot be polluted by the external environment, the filter membrane is ensured to be clean before sampling, and the accuracy of a monitoring result is ensured. When original dust concentration monitored by the dust concentration monitoring system exceeds the standard and alarms, the remote intelligent control device remotely controls the lifting power device and the air sampling system, so that the lifting sampling port of the sealing pressure cover is exposed, the air sampling system is started to sample, after the sampling is finished, the air sampling system is stopped, the sealing pressure cover descends to seal the sampling port, and thus the filter membrane is isolated from the outside again, dust can not be attached to the filter membrane again, and the accuracy of a monitoring result is ensured. Then the staff takes off sealing gland to the scene again, then take out the filter membrane that the sampling head was discouraged to in the laboratory utilize weighing method detect particulate matter concentration can, and this kind of automatic sampling device is very loaded down with trivial details in the operation when taking out the filter membrane, need take off many connecting screw rods with the instrument just can take off sealing gland, then just can take out the filter membrane of sampling head the inside, consequently, need the staff take the instrument to dismantle when dismantling, troublesome operation.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the remote filter membrane automatic sampling device can rapidly take out the filter membrane without tools, and is more convenient to operate.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a long-range filter membrane automatic sampling device, includes the casing, the top of casing is fixed with the sampling head, the upper end sampling mouth department demountable installation of sampling head has the filter membrane, the lower extreme of sampling head is connected with the air sampling system who takes the flowmeter that sets up in the casing, air sampling system is controlled by remote intelligent control device, overhead screw thread of sampling installs the installation cover, install the vertical lift of installation cover and install sealing gland, be provided with the drive between sealing gland and the installation cover sealing gland goes up and down's lifting power device, lifting power device drive sealing gland and sampling mouth sealing contact or the separation of sampling head.
As a preferable scheme, a plurality of guide rods are fixed on the mounting sleeve, a guide sleeve sleeved on the guide rods is fixed on the sealing gland, a mounting plate is fixed at the upper end of the guide rods, the lifting power device is fixed on the mounting plate, and the lifting power device is connected with the sealing gland through a transmission mechanism.
As a preferable scheme, the lifting power device comprises a driving motor, wherein the driving motor is fixed on the mounting plate, an output shaft is arranged downwards, a screw rod is fixed on the output shaft, a screw sleeve in threaded connection with the screw rod is fixed on the sealing pressure cover, and the screw sleeve and the screw rod form the transmission mechanism.
As a preferable scheme, a plurality of threaded connecting seats are arranged on the inner wall of the mounting sleeve, threaded holes are formed in the threaded connecting seats, and the guide rod is installed in the threaded holes in a threaded mode.
As a preferable scheme, a telescopic protective sleeve is arranged between the mounting plate and the sealing gland, and the guide rod and the lead screw are both positioned in the telescopic protective sleeve.
As a preferable scheme, a protective cover for covering the driving motor is fixed on the mounting plate.
As a preferable scheme, a particle cutter is further arranged between the sampling head and the mounting sleeve, the particle cutter is arranged on the sampling head in a threaded mode, and the mounting sleeve is arranged on the particle cutter in a threaded mode.
After the technical scheme is adopted, the utility model has the following effects: because install the installation cover on the sampling head, install seal gland in the vertical lift of installation cover, be provided with the drive between seal gland and the installation cover seal gland goes up and down's lift power device, lift power device drive seal gland and the sampling mouth sealing contact or separation of sampling head, therefore, when not needing the sample, lift power device drive seal gland is in sealed state to the sampling mouth of sampling head, thereby can avoid the particulate matter around the outside to enter into the sampling mouth of sampling head and fall into the inaccuracy of testing result on the filter membrane, and only need lift power device drive seal gland to slide to the sampling mouth direction that keeps away from the sampling head when needs to detect, thereby open the sampling mouth, can normally sample this moment, when needs to take out the filter membrane, because the installation cover is threaded mounting on the sampling head, only need the staff unscrew the installation cover can, and lift power device, seal gland all need not to take off along with the installation cover together, just so can get off the filter membrane fast, whole process instrument can get rid of filter membrane and change, easy and simple to handle.
The sealing gland is characterized in that the mounting sleeve is fixedly provided with a plurality of guide rods, the sealing gland is fixedly provided with a guide sleeve sleeved on the guide rods, the upper end of each guide rod is fixedly provided with a mounting plate, the lifting power device is fixedly arranged on the mounting plate, and the lifting power device is connected with the sealing gland through a transmission mechanism, so that the lifting power device is fixedly arranged on the mounting sleeve through the mounting plate and the guide rods, the guide rods can serve as lifting guide of the sealing gland, the lifting power device can drive the sealing gland to lift on the guide rods, a channel or both convenient to sample is formed between the sealing gland and the sampling head, and the sealing gland is reasonable in structure and smooth in action.
The lifting power device comprises a driving motor, the driving motor is fixed on the mounting plate, the output shaft is downwards arranged, a screw rod is fixed on the output shaft, a screw sleeve in threaded connection with the screw rod is fixed on the sealing gland, the screw sleeve and the screw rod form a transmission mechanism, the lifting power device drives the screw rod to rotate by using the driving motor, the screw rod rotates to drive the screw sleeve in threaded connection with the screw rod to axially move along the screw rod, and accordingly the sealing gland is driven to lift.
And because be provided with a plurality of threaded connection seat on the inner wall of installation cover, be provided with the screw hole on this threaded connection seat, the guide arm screw thread install in threaded hole utilizes the threaded connection seat can make things convenient for the installation of guide arm.
And because the telescopic protective sleeve is arranged between the mounting plate and the sealing gland, the guide rod and the lead screw are both positioned in the telescopic protective sleeve, and the telescopic protective sleeve can effectively protect the transmission mechanism and the guide rod, so that the phenomenon that the sealing gland is not smooth due to excessive dust accumulation is avoided.
And the protective cover shell for covering and buckling the driving motor is fixed on the mounting plate, so that the driving motor can be effectively protected by the protective cover shell, and the driving motor is prevented from being affected with damp.
And because still install the particulate matter cutterbar between sampling head and the installation cover, the particulate matter cutterbar screw thread install in on the sampling head, the installation cover screw thread install in on the particulate matter cutterbar, just can realize the concentration detection of different particle diameters through installing the particulate matter cutterbar between sampling head and installation cover, for example can install PM10 particulate matter cutterbar, what the filter membrane was attached at this moment is PM 10's particulate matter, and the final detected result is PM10 concentration, and when the particulate matter cutterbar is PM2.5 cutterbar, the detected result is PM 2.5's concentration.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of a hidden panel structure according to an embodiment of the present utility model;
FIG. 2 is a schematic side view of an embodiment of the present utility model;
FIG. 3 is a cross-sectional perspective view of FIG. 2 at A-A;
FIG. 4 is a schematic back view of an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of FIG. 4 at B-B;
in the accompanying drawings: 1. a housing; 2. a sampling pump; 3. a flow meter; 4. a sampling tube; 5. a sampling head; 6. a particulate matter cutter; 7. a sealing gland; 8. a telescopic protective sleeve; 9. a protective cover; 10. a driving motor; 11. a screw rod; 12. a screw sleeve; 13. a mounting sleeve; 14. a filter membrane; 15. guide sleeve; 16. a guide rod; 17. and (5) a threaded connecting seat.
Detailed Description
The present utility model will be described in further detail with reference to the following examples.
As shown in fig. 1 to 5, an automatic sampling device for a remote filter membrane 14 comprises a shell 1, a sampling head 5 is fixed at the top of the shell 1, the filter membrane 14 is detachably installed at the sampling port of the upper end of the sampling head 5, the lower end of the sampling head 5 is connected with an air sampling system with a flowmeter 3 arranged in the shell 1, the air sampling system is controlled by a remote intelligent control device, the air sampling system comprises a sampling pump 2 and a sampling tube 4, the sampling tube 4 is provided with the flowmeter 3, the sampling tube 4 vertically penetrates through the shell 1 from inside to outside and is connected with the sampling head 5, the sampling tube 4 can be connected in sections, a flow equalizing plate is arranged at the joint of two sections of the sampling tube 4, a mounting sleeve 13 is installed on the sampling head 5 in a threaded manner, a sealing gland 7 is installed on the mounting sleeve 13 in a vertically lifting manner, and a lifting power device for driving the sealing gland 7 to lift is arranged between the sealing gland 7 and the mounting sleeve 13, and the sampling port of the sampling head 5 is in sealing contact or separated.
In this embodiment, a plurality of guide rods 16 are fixed on the mounting sleeve 13, a guide sleeve 15 sleeved on the guide rods 16 is fixed on the sealing gland 7, a mounting plate is fixed at the upper end of the guide rods 16, and the lifting power device is fixed on the mounting plate, so that three guide rods 16 in this embodiment are supported on the mounting plate at three points, and the lifting power device is connected with the sealing gland 7 through a transmission mechanism. The inner wall of the mounting sleeve 13 is provided with a plurality of threaded connecting seats 17, threaded holes are formed in the threaded connecting seats 17, the guide rods 16 are mounted in the threaded holes in a threaded mode, and the guide rods 16 and the mounting sleeve 13 can be fixed in a welding mode.
In this embodiment, the lifting power device includes a driving motor 10, the driving motor 10 is fixed on the mounting plate and has an output shaft disposed downward, a screw rod 11 is fixed on the output shaft, a threaded sleeve 12 screwed with the screw rod 11 is fixed on the sealing gland 7, and the threaded sleeve 12 and the screw rod 11 form the transmission mechanism. When the driving motor 10 drives the sealing pressing sleeve to lift through the axial movement of the threaded sleeve 12 through the forward rotation or the reverse rotation of the driving screw 11, the mounting sleeve 13 is sealed when the sealing pressing sleeve descends, so that the sampling head 5 is sealed, and in the embodiment, the sealing ring is further embedded into the upper end edge of the mounting sleeve 13, so that the sealing is convenient. Of course, other structures may be adopted for the lifting power device, for example, a cylinder may be directly adopted for driving, and lifting driving of the sealing gland 7 may also be realized.
The sealing gland 7 is characterized in that a telescopic protective sleeve 8 is arranged between the mounting plate and the sealing gland 7, the guide rod 16 and the lead screw 11 are both positioned in the telescopic protective sleeve 8, the telescopic protective sleeve 8 can be a corrugated pipe on the market, the lower end of the telescopic protective sleeve 8 is connected to the upper surface of the sealing gland through a compression ring thread, and the upper end of the telescopic protective sleeve can be sleeved and hooped on the periphery of the mounting plate.
The protective cover shell 9 for covering the driving motor 10 is fixed on the mounting plate, and the protective cover shell 9 can protect the driving motor 10, so that the driving motor 10 is in a relatively dry environment, and can effectively prevent dust and water.
In addition, in this embodiment, a particulate matter cutter 6 is further installed between the sampling head 5 and the installation sleeve 13, the particulate matter cutter 6 is screwed on the sampling head 5, and the installation sleeve 13 is screwed on the particulate matter cutter 6. The particulate matter cutter 6 is commercially available and its construction and principle are well known. The particulate matter cutter 6 typically has a PM10 cutter and a PM2.5 cutter, which meet the concentration detection of PM10 and PM2.5, respectively. Wherein, the particle cutter 6 is respectively provided with a sealing ring with the sampling head 5 and the mounting sleeve 13, thereby ensuring the air tightness.
Compared with the prior art, the automatic sampling device in the embodiment does not need to carry tools when taking out the filter membrane 14, and can take out the filter membrane 14 by only rotating and unscrewing the mounting sleeve 13 together with the driving motor 10 above, so that the operation is very convenient.
The above examples are merely illustrative of the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, and various modifications and adaptations of the technical solution of the present utility model should and are intended to fall within the scope of the present utility model as defined in the claims.
Claims (7)
1. The utility model provides a long-range filter membrane automatic sampling device, includes the casing, the top of casing is fixed with the sampling head, the upper end sampling mouth department demountable installation of sampling head has the filter membrane, the lower extreme of sampling head is connected with the air sampling system who takes the flowmeter that sets up in the casing, air sampling system is controlled its characterized in that by remote intelligent control device: the device is characterized in that the sampling head is provided with a mounting sleeve in a threaded manner, the mounting sleeve is vertically lifted and provided with a sealing gland, a lifting power device for driving the sealing gland to lift is arranged between the sealing gland and the mounting sleeve, and the lifting power device drives the sealing gland to be in sealing contact with or separated from a sampling port of the sampling head.
2. A remote filter automatic sampling device as defined in claim 1, wherein: the installation sleeve is fixedly provided with a plurality of guide rods, the sealing gland is fixedly provided with a guide sleeve sleeved on the guide rods, the upper end of each guide rod is fixedly provided with an installation plate, the lifting power device is fixedly arranged on the installation plate, and the lifting power device is connected with the sealing gland through a transmission mechanism.
3. A remote filter automatic sampling device as defined in claim 2, wherein: the lifting power device comprises a driving motor, the driving motor is fixed on the mounting plate, an output shaft is arranged downwards, a screw rod is fixed on the output shaft, a screw sleeve in threaded connection with the screw rod is fixed on the sealing pressure cover, and the screw sleeve and the screw rod form the transmission mechanism.
4. A remote filter automatic sampling device according to claim 3, wherein: the inner wall of the mounting sleeve is provided with a plurality of threaded connecting seats, threaded holes are formed in the threaded connecting seats, and the guide rod is installed in the threaded holes in a threaded mode.
5. The remote filter membrane automatic sampling device of claim 4, wherein: a telescopic protective sleeve is arranged between the mounting plate and the sealing gland, and the guide rod and the lead screw are both positioned in the telescopic protective sleeve.
6. The remote filter membrane automatic sampling device of claim 5, wherein: the mounting plate is fixedly provided with a protective cover shell for covering the driving motor.
7. A remote filter automatic sampling device according to any one of claims 1 to 5, wherein: and a particle cutter is further arranged between the sampling head and the mounting sleeve, the particle cutter is arranged on the sampling head in a threaded manner, and the mounting sleeve is arranged on the particle cutter in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321768271.2U CN220289129U (en) | 2023-07-06 | 2023-07-06 | Remote filter membrane automatic sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321768271.2U CN220289129U (en) | 2023-07-06 | 2023-07-06 | Remote filter membrane automatic sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289129U true CN220289129U (en) | 2024-01-02 |
Family
ID=89332946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321768271.2U Active CN220289129U (en) | 2023-07-06 | 2023-07-06 | Remote filter membrane automatic sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289129U (en) |
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2023
- 2023-07-06 CN CN202321768271.2U patent/CN220289129U/en active Active
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