CN214749211U - Low-concentration particle sampler - Google Patents
Low-concentration particle sampler Download PDFInfo
- Publication number
- CN214749211U CN214749211U CN202022753445.0U CN202022753445U CN214749211U CN 214749211 U CN214749211 U CN 214749211U CN 202022753445 U CN202022753445 U CN 202022753445U CN 214749211 U CN214749211 U CN 214749211U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- cleaning brush
- drive arrangement
- otter board
- adsorption plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002245 particle Substances 0.000 title claims description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 55
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 241001233242 Lontra Species 0.000 claims abstract description 25
- 239000013618 particulate matter Substances 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 239000008187 granular material Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a low concentration granule sample thief, which comprises a housin, the top and the bottom of casing are equipped with air inlet and gas outlet respectively, be equipped with the fan on the gas outlet, be equipped with electron absorption otter board, particulate matter detection device in the casing, electron absorption otter board, particulate matter detection device electricity are connected, still include controlling means, negative pressure device, electron absorption otter board parallel relative both sides are equipped with guide rail and drive arrangement respectively, controlling means is connected with drive arrangement, negative pressure device electricity, be equipped with the adsorption plate that is used for clean electron absorption otter board particulate matter between guide rail and the drive arrangement, drive arrangement is used for driving the adsorption plate and removes along the guide rail, the absorption mouth and the negative pressure device intercommunication of adsorption plate. Remove the adsorption plate through drive arrangement, can thoroughly clear away the particulate matter on the electron absorption otter board, clean the back through the cleaning brush subassembly simultaneously and adsorb again, further promoted clean efficiency and quality.
Description
Technical Field
The utility model relates to an exhaust-gas detection field, in particular to low concentration granule sample thief.
Background
Traditional collector is when gathering some particulate matters that concentration is lower in the air, and the particulate matter piles up easily on the adsorption net board, in order to improve the efficiency and the accuracy that detect, need clear up just can the secondary use after detecting the completion. Wherein application number is 201920117459.8's chinese utility model patent, discloses a low concentration particulate matter sampling utensil, can adsorb the half tone to the electron and clear up, but this sampling utensil has following problem: 1. when particulate matter is sampled, external air and the particulate matter are sucked into the inner cavity of the sampler shell, part of the particulate matter is easy to attach to the cleaning brush, and inaccurate sampling data is easy to cause due to the fact that the cleaning brush occupies a large space; 2. when the electronic adsorption screen plate is cleaned, the drifted particles blown out of the sampler shell can not be recovered in a centralized way, secondary pollution is easy to cause, and the electronic adsorption screen plate can not be ensured to be thoroughly cleaned. In view of the foregoing, there is a need for an improved low concentration particle sampler.
Disclosure of Invention
The utility model discloses an overcome prior art's shortcoming, provide a low concentration granule sample thief, the particulate matter is difficult for adhering to on the cleaning brush, makes the sampling data of testing process accurate, and the electron adsorbs the otter board clearance thoroughly.
The utility model relates to a low concentration granule sample thief, which comprises a housin, the top and the bottom of casing are equipped with air inlet and gas outlet respectively, be equipped with the fan on the gas outlet, be equipped with electron absorption otter board, particulate matter detection device in the casing, electron absorption otter board, particulate matter detection device electricity are connected, still include controlling means, negative pressure device, electron absorption otter board parallel relative both sides are equipped with guide rail and drive arrangement respectively, controlling means is connected with drive arrangement, negative pressure device electricity, be equipped with the adsorption plate that is used for clean electron absorption otter board particulate matter between guide rail and the drive arrangement, drive arrangement is used for driving the adsorption plate and removes along the guide rail, the absorption mouth and the negative pressure device intercommunication of adsorption plate.
Further specifically, drive arrangement includes driving motor and rack, driving motor is connected with the controlling means electricity, driving motor fixed mounting is on the adsorption plate, driving motor installs the gear, the gear and rack meshing, rack fixed mounting is in the casing inner wall.
Further preferably, one side of the adsorption port in the length direction is provided with a cleaning brush assembly.
Furthermore, the cleaning brush assembly comprises a first cleaning brush, a second cleaning brush and a cleaning motor, wherein the cleaning motor drives the first cleaning brush and the second cleaning brush to rotate in opposite directions from outside to inside and are in a holding shape.
Furthermore, the first cleaning brush and the second cleaning brush are provided with a plurality of groups of brush hairs.
Preferably, the first cleaning brush and the second cleaning brush are provided with three groups of bristles.
Furthermore, the negative pressure device comprises a negative pressure chamber, a box door is arranged on the negative pressure chamber, an exhaust hole is formed in the box door, a negative pressure fan is arranged in the negative pressure chamber, a filter screen is arranged on one side of the negative pressure fan, and the filter screen is detachably connected with the negative pressure chamber.
Further, the box door is hinged with the negative pressure chamber.
Compared with the prior art, the utility model has the following advantage:
1. remove the adsorption plate through drive arrangement, can thoroughly clear away the particulate matter on the electron absorption otter board, clean the back through the cleaning brush subassembly simultaneously and adsorb again, further promoted clean efficiency and quality.
2. The filter screen is arranged in the negative pressure device, so that adsorbed particles can be recovered and treated in a centralized manner, and secondary pollution is avoided.
Drawings
FIG. 1 is a schematic diagram of a low concentration particle sampler;
fig. 2 is a schematic view of the structure of the guide rail and the driving device.
The device comprises a shell, a 2-air inlet, a 3-air outlet, a 4-fan, a 5-electronic adsorption screen plate, a 6-particle detection device, a 7-control device, a 8-negative pressure device, a 9-guide rail, a 10-driving device, an 11-adsorption plate, a 12-adsorption port, a 13-driving motor, a 14-rack, a 15-gear, a 16-cleaning brush component, a 17-first cleaning brush, a 18-second cleaning brush, a 19-cleaning motor, 20-bristles, a 21-negative pressure chamber, a 22-box door, a 23-negative pressure fan, a 24-filter screen, a 25-vent hole and a 26-belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Example 1
The utility model provides a low concentration granule sample thief, includes the casing, the top and the bottom of casing are equipped with air inlet and gas outlet respectively, be equipped with the fan on the gas outlet, the fan is connected with the power for gas to be measured inhales in the casing, be equipped with electron absorption otter board, particulate matter detection device in the casing, electron absorption otter board, particulate matter detection device electricity are connected, still include controlling means, negative pressure equipment, electron absorption otter board parallel relative both sides are equipped with guide rail and drive arrangement respectively, and the guide rail is sharp ball guide in this embodiment, controlling means is connected with drive arrangement, negative pressure equipment electricity, be equipped with the adsorption plate that is used for clean electron absorption otter board to go up the particulate matter between guide rail and the drive arrangement, drive arrangement is used for driving the adsorption plate and removes along the guide rail, the absorption mouth and the negative pressure equipment intercommunication of adsorption plate.
The driving device comprises a driving motor and a rack, the driving motor is electrically connected with the control device, the driving motor is fixedly installed on the adsorption plate, the driving motor is provided with a gear, the gear is meshed with the rack, and the rack is fixedly installed on the inner wall of the shell. The control device is internally provided with three relays and a control panel, the control panel is electrically connected with the relays and is used for controlling the actuation time sequence of the relays, the three relays are respectively used for controlling the negative pressure device to start and stop, the driving motor to rotate positively and reversely, the driving motor is a direct current motor, the relay controls the connection states of the different positive and negative electrodes to drive the driving motor to rotate positively and negatively, and the adsorption plate can move and reciprocate along the guide rail.
Adsorb mouthful one side along length direction and be equipped with the cleaning brush subassembly, the cleaning brush subassembly is including installing the wool top on the adsorption plate, accomplish once detecting, when needing to adsorb the otter board to the electron clean, the device removes to clean region, or air inlet and gas outlet installation filter screen, open negative pressure device again, driving motor corotation makes the adsorption plate move from left to right, the in-process of removal adsorbs the particulate matter on the otter board to the electron, when removing to the right-hand member, the actuation state of control panel switching relay, make driving motor reversal, the adsorption plate removes to initial position again, this process is clean swift thorough.
Example 2
As shown in fig. 1 and 2, a low concentration particle sampler comprises a housing, the top and the bottom of casing are equipped with air inlet and gas outlet respectively, be equipped with the fan on the gas outlet, be equipped with electron absorption otter board, particulate matter detection device in the casing, electron absorption otter board, particulate matter detection device electricity are connected, still include controlling means, negative pressure device, electron absorption otter board parallel relative both sides are equipped with guide rail and drive arrangement respectively, controlling means is connected with drive arrangement, negative pressure device electricity, be equipped with the adsorption plate that is used for clean electron absorption otter board particulate matter between guide rail and the drive arrangement, drive arrangement is used for driving the adsorption plate and removes along the guide rail, the absorption mouth and the negative pressure device intercommunication of adsorption plate.
The driving device comprises a driving motor and a rack, the driving motor is electrically connected with the control device, the driving motor is fixedly installed on the adsorption plate, the driving motor is provided with a gear, the gear is meshed with the rack, and the rack is fixedly installed on the inner wall of the shell.
One side of adsorbing mouthful edge length direction is equipped with the cleaning brush subassembly, the cleaning brush subassembly includes first cleaning brush, second cleaning brush, cleaning motor, the rotation direction of the first cleaning brush of cleaning motor drive and second cleaning brush is opposite, all outside-in is rotatory, is each other and embraces the form of holding.
The bristles on the first cleaning brush and the second cleaning brush are in three groups and are arranged in an annular array.
The negative pressure device comprises a negative pressure chamber, a box door is arranged on the negative pressure chamber, an exhaust hole is formed in the box door, a negative pressure fan is arranged in the negative pressure chamber, a filter screen is arranged on one side of the negative pressure fan, and the filter screen is detachably connected with the negative pressure chamber through a fastener; the box door is hinged with the negative pressure chamber. When the filter screen needs to be cleaned, the filter screen is detached for cleaning after the box door is opened, and then the filter screen is installed in the negative pressure cavity.
The cleaning motor and the negative pressure fan are electrically connected with the control device, the negative pressure fan and the cleaning motor are started simultaneously when cleaning is started, the cleaning motor drives the first cleaning brush and the second cleaning brush to rotate from outside to inside, the first cleaning brush and the second cleaning brush are connected in a crossing mode through a belt, and arrows in figure 2 show the rotating directions of the first cleaning brush and the second cleaning brush. Clean to the absorption mouth through first cleaning brush, second cleaning brush and adsorb again, make clean effect better.
In another embodiment, dust covers are further arranged on the guide rail and the driving device, so that particles in the gas to be detected are prevented from being attached to the guide rail and the driving device in the using process and the transmission of the guide rail and the driving device is prevented from being influenced.
Claims (7)
1. The utility model provides a low concentration granule sample thief, includes the casing, the top and the bottom of casing are equipped with air inlet and gas outlet respectively, be equipped with the fan on the gas outlet, be equipped with electron absorption otter board, particulate matter detection device in the casing, electron absorption otter board, particulate matter detection device electricity are connected, and its characterized in that still includes controlling means, negative pressure device, electron absorption otter board parallel relative both sides are equipped with guide rail and drive arrangement respectively, controlling means is connected with drive arrangement, negative pressure device electricity, be equipped with the adsorption plate that is used for clean electron absorption otter board particulate matter between guide rail and the drive arrangement, drive arrangement is used for driving the adsorption plate and removes along the guide rail, the absorption mouth and the negative pressure device intercommunication of adsorption plate.
2. The sampler of claim 1, wherein the driving device comprises a driving motor and a rack, the driving motor is electrically connected to the control device, the driving motor is fixedly mounted on the adsorption plate, the driving motor is provided with a gear, the gear is engaged with the rack, and the rack is fixedly mounted on the inner wall of the housing.
3. The sampler of claim 1 or 2, wherein the suction port is provided with a cleaning brush assembly at one side in a length direction.
4. The sampler of claim 3, wherein the cleaning brush assembly comprises a first cleaning brush, a second cleaning brush, and a cleaning motor, and the cleaning motor drives the first cleaning brush and the second cleaning brush to rotate from outside to inside in opposite directions and to form a clasping shape with each other.
5. The sampler of claim 4, wherein the first and second cleaning brushes comprise a plurality of sets of bristles.
6. The low concentration particle sampler according to claim 4, wherein the negative pressure device comprises a negative pressure chamber, a box door is arranged on the negative pressure chamber, an exhaust hole is arranged on the box door, a negative pressure fan is arranged in the negative pressure chamber, a filter screen is arranged on one side of the negative pressure fan, and the filter screen is detachably connected with the negative pressure chamber.
7. The low concentration particle sampler of claim 6 wherein the door is hinged to the vacuum chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753445.0U CN214749211U (en) | 2020-11-25 | 2020-11-25 | Low-concentration particle sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753445.0U CN214749211U (en) | 2020-11-25 | 2020-11-25 | Low-concentration particle sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214749211U true CN214749211U (en) | 2021-11-16 |
Family
ID=78618302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022753445.0U Expired - Fee Related CN214749211U (en) | 2020-11-25 | 2020-11-25 | Low-concentration particle sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214749211U (en) |
-
2020
- 2020-11-25 CN CN202022753445.0U patent/CN214749211U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |