CN211235134U - Environment air sampler trades membrane device - Google Patents
Environment air sampler trades membrane device Download PDFInfo
- Publication number
- CN211235134U CN211235134U CN201921499389.3U CN201921499389U CN211235134U CN 211235134 U CN211235134 U CN 211235134U CN 201921499389 U CN201921499389 U CN 201921499389U CN 211235134 U CN211235134 U CN 211235134U
- Authority
- CN
- China
- Prior art keywords
- membrane
- filter membrane
- clamping seat
- tray
- air sampler
- 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.)
- Active
Links
Images
Abstract
The utility model discloses an environmental air sampler membrane changing device, which comprises a mounting plate, a filter membrane tray, a transmission device and a clamping device, wherein the transmission device is fixed on the mounting plate, the filter membrane tray is horizontally arranged above the mounting plate through the transmission device, the filter membrane tray is provided with N membrane positions which are arranged in a word, and a filter membrane clamp is arranged on each membrane position; the filter membrane clamps on each membrane position and corresponds to the sampling port of the cutter in a time-sharing manner, and the upper side and the lower side of the sampling port of the cutter are provided with sampling clamping devices; the transmission device comprises a motor, a lead screw and a nut, wherein the two ends of the lead screw are fixedly arranged on one side of the mounting plate through a mounting seat and a bearing, the motor is fixedly arranged on the side edge of the mounting plate, one end of the lead screw is connected with an output shaft of the motor, the nut is fixedly connected with the filter membrane tray, and the nut is meshed with the lead screw. The utility model discloses simple structure, membrane position quantity designs according to actual demand, and a plurality of membrane positions automatic change in the sampling process need not the manual work and trades the membrane, has reduced the space of equipment and has taken, and sampling efficiency is high.
Description
Technical Field
The utility model relates to an air sampler specifically is an environment air sampler trades membrane device.
Background
With the progress of science and technology and the rapid development of industrial production, a large amount of particulate matters are inevitably discharged into the atmosphere, which undoubtedly brings the threat to the living environment of human beings. The monitoring of air particles is therefore one of the important aspects of environmental work.
An ambient air sampler is a commonly used air particulate sampling device. Existing air samplers include single membrane structures and multiple membrane structures. The air sampler with the single-membrane structure can only place one filter membrane, only one air particle sample can be collected at each time, only one air index can be monitored in one-time sampling, the working efficiency is low, the requirement of large-scale sampling cannot be met, and the burden of sampling personnel is increased. The air sampler with the multi-membrane structure can meet the requirement of large-scale sampling, but has the defects of large volume, inconvenient operation and the like.
SUMMERY OF THE UTILITY MODEL
The air sampler can not compromise not enough such as small, work efficiency height among the prior art, the to-be-solved problem of the utility model is to provide a can place many filter membranes and small border air sampler membrane changing device simultaneously.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model relates to an environmental air sampler membrane changing device, which comprises a mounting plate, a filter membrane tray, a transmission device and a clamping device, wherein the transmission device is fixed on the mounting plate, the filter membrane tray is horizontally arranged above the mounting plate through the transmission device, the filter membrane tray is provided with N membrane positions which are arranged in a word, and a filter membrane clamp is arranged on each membrane position; the filter membrane on each membrane position corresponds to the sampling port of the cutter in a time-sharing manner, and the upper side and the lower side of the sampling port of the cutter are provided with sampling clamping devices.
The transmission device comprises a motor, a lead screw and a nut, wherein the two ends of the lead screw are fixedly arranged on one side of the mounting plate through a mounting seat and a bearing, the motor is fixedly arranged on the side edge of the mounting plate, one end of the lead screw is connected with an output shaft of the motor, the nut is fixedly connected with the filter membrane tray, and the nut is meshed with the lead screw.
The transmission device comprises a rodless cylinder and a sliding block, wherein the rodless cylinder is arranged on the mounting plate, a filter membrane tray is fixedly arranged on the sliding block, and the sliding block horizontally moves under the action of the cylinder.
The transmission device further comprises a plurality of position sensors respectively used for detecting the stop positions of the film positions, and signal nodes of the position sensors are arranged in a control loop of the motor.
The sampling clamping device comprises an upper clamping seat and a lower clamping seat which are respectively arranged at the upper side and the lower side of a sampling port of the cutter, wherein the upper clamping seat is connected at the bottom end of the sampling port of the cutter, the lower clamping seat is connected at the upper end of the sampling port of the cutter, the upper clamping seat and the lower clamping seat are funnel-shaped and are arranged oppositely, and the upper clamping seat and the lower clamping seat respectively correspond to the detection membrane positions of the filter membrane tray from the upper side and the lower side.
The lower part of the lower clamping seat is provided with a hollow pipe communicated with an air pipeline, a rack is vertically arranged outside the hollow pipe, the rack is meshed with a gear, and the gear is in transmission connection with an output shaft of a clamping motor; and a supporting bearing is arranged on one side of the outside of the hollow pipe, which is opposite to the rack.
Sealing rings are arranged at the openings of the upper clamping seat and the lower clamping seat.
The membrane position on the filter membrane tray is a circular opening, a U-arc opening or a polygonal opening.
N is an integer of 2 to 7.
The utility model has the following beneficial effects and advantages:
1. the utility model discloses simple structure, membrane position quantity designs according to actual demand, and a plurality of membrane positions automatic change in the sampling process need not the manual work and trades the membrane.
2. The utility model discloses install in ambient air sample thief, compromise volume and work efficiency, the space that has reduced equipment occupies, can place many filter membranes simultaneously, makes things convenient for fortune dimension personnel to use, compares with many membrane sample thief, possesses characteristics such as small, light in weight, sampling efficiency height simultaneously.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a membrane replacing device of an ambient air sampler according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of a second embodiment of the membrane replacing device of the ambient air sampler according to the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5A is a schematic view (I) of the structure of the middle filter tray of the present invention;
FIG. 5B is a schematic view of the structure of the middle filter tray of the present invention;
fig. 5C is a schematic structural view (iii) of the middle filter membrane tray of the present invention.
Wherein, 1 is the cutter, 101 is the sample upper jaw, 102 is the sample lower jaw, 103 is the gear, 104 is the support bearing, 105 is the clamping motor, 106 is the upper holder, 107 is the lower holder, 108 the gag lever post, 109 is the third sensor, 110 is the fourth sensor, 3 is the motor, 4 is the lead screw, 5 is the mounting panel, 6 is first membrane position, 7 is the second membrane position, 8a is the first position sensor, 8b is the second position sensor, 9 is the screw, 10 is the filter membrane tray, 11 is rodless cylinder, 12 is the slider.
Detailed Description
The invention will be further explained with reference to the drawings attached to the specification.
Example 1
As shown in fig. 1-2, the utility model relates to an ambient air sampler membrane changing device, which comprises a mounting plate 5, a filter membrane tray 10, a transmission device and a clamping device, wherein the transmission device is fixed on the mounting plate 5, the filter membrane tray 10 is horizontally arranged above the mounting plate 5 through the transmission device, the filter membrane tray 10 is provided with N membrane positions which are arranged in a word, and a filter membrane clamp is arranged on each membrane position; the filter membrane on each membrane position corresponds to the sampling port of the cutter 1 in a time-sharing way, and the membrane position can be detected by corresponding to the membrane position of the sampling port; the upper and lower sides of the sampling port of the cutter 1 are provided with sampling clamping devices.
The transmission device comprises a motor 3, a lead screw 4 and a nut 9, wherein two ends of the lead screw 4 are fixedly arranged on one side of the mounting plate 5 through a mounting seat and a bearing, the motor 3 is fixedly arranged on the side edge of the mounting plate 5, one end of the lead screw 4 is connected with an output shaft of the motor 3, the nut 9 is fixedly connected with the filter membrane tray 10, and the nut 9 is meshed with the lead screw 4. The transmission device further comprises a plurality of position sensors respectively used for detecting the stop positions of the film positions, and signal nodes of the plurality of position sensors are arranged in a control loop of the motor 3.
N is an integer of 2 to 7.
The sampling clamping device comprises an upper clamping seat 106 and a lower clamping seat 107 which are respectively arranged at the upper side and the lower side of a sampling port of the cutter 1, wherein the upper clamping seat 106 is connected with the bottom end of the sampling upper port 101 of the cutter 1 and is fixedly suspended above a detection membrane position, the lower clamping seat 107 is connected with the upper end of the sampling lower port 102 of the cutter 1, the upper clamping seat 106 and the lower clamping seat 10 are funnel-shaped and are oppositely arranged, and the upper clamping seat 106 and the lower clamping seat 107 respectively correspond to the detection membrane position of the filter membrane tray 10 from the upper side and the lower side.
The lower part of the lower clamping seat 10 is provided with a hollow pipe communicated with an air pipeline, a rack is vertically arranged outside the hollow pipe, the rack is meshed with a gear 103, and the gear 103 is in transmission connection with an output shaft of a clamping motor; and a supporting bearing is arranged on one side of the outside of the hollow pipe, which is opposite to the rack. Sealing rings are arranged at the openings of the upper clamping seat 106 and the lower clamping seat 107. The membrane position on the filter membrane tray 10 is a circular opening, a major arc opening or a polygonal opening, as shown in fig. 5A to 5C.
A limiting rod 108 is fixed on the gear 103, the gear 103 rotates clockwise during clamping, and when the limiting rod 108 reaches the third sensor 109, the clamping motor 105 stops rotating. When the gear 103 is driven by the clamping motor 105 to rotate counterclockwise, the clamping motor 105 stops rotating when the limiting rod 108 reaches the fourth sensor 110.
In this embodiment, N is 2, that is, the filter membrane tray 10 is provided with two membrane positions, and the central connection of the two membrane positions is parallel to the axis of the screw 4 of the transmission device.
When the device is used, the motor 3 is started, the shaft of the motor 3 is output to rotate, the ball screw 4 is controlled to rotate on the membrane disc 5, the screw nut 9 meshed with the screw 4 horizontally moves on the screw 4, the screw nut 9 drives two membrane positions to horizontally move through the filter membrane tray 10, and two position sensors 8 are arranged behind the mounting plate 5 and used for controlling the stop positions of the two membrane positions, so that the filter membrane clamp can be guaranteed to be aligned to the detection membrane position below the sampling port of the cutter 1 in a time-sharing manner under the control of the motor 3 no matter which filter membrane tray is placed on; when a filter membrane clamp moves to a sampling port of the cutter 1 to detect a membrane position, a clamping motor 105 is started to drive a gear 103 to rotate, and further, a rack drives a lower clamping seat 107 to move upwards to support the filter membrane clamp on the detected membrane position, the upper part of the filter membrane clamp is pressed with an upper clamping seat 106, the lower part of the filter membrane clamp is pressed with the lower clamping seat 107, and sealing is realized through a sealing ring and clamping forces of the upper clamping seat 106 and the lower clamping seat 107; the stroke of the clamping motor 105 is limited by a third sensor 109 and a fourth sensor 110 which are arranged at the upper end and the lower end of the sampling lower port 102; stopping the clamping motor 105 after moving to the upper limit, starting an air pump, performing air extraction operation on a sealed space formed by the upper clamping seat 106 and the lower clamping seat 107, and stopping the air pump when the specified time is up; and (3) starting the clamping motor again, stopping after moving downwards to the lower limit, loosening the lower clamp holder 107 at the moment, taking out the filter membrane clamp, finishing the sampling process, moving the next filter membrane clamp to the detection membrane position, and repeating the operation until all the N filter membrane clamps are collected.
The utility model discloses compromise volume and work efficiency, simple structure, membrane position quantity need not the manual work in the sampling process and trades the membrane according to actual demand design.
Example 2
The difference from embodiment 1 is that, as shown in fig. 3 to 4, the transmission device includes a rodless cylinder 11 and a slide block 12, wherein a filter membrane tray 10 is fixedly mounted on the slide block 12, and the slide block 12 moves horizontally under the action of the rodless cylinder 11. The central connecting line of the two membrane positions is parallel to the axis of the rodless cylinder.
When the pneumatic filter membrane clamp is used, the rodless cylinder is driven to act through the air pump to drive the sliding block to horizontally move, the filter membrane tray 10 is further driven to move, when one filter membrane clamp corresponds to the detection membrane position air pump, the rodless pneumatic cylinder moves, and then the clamping operation of the clamping device is carried out. Other processes are the same as embodiment 1 and are not described herein again.
Claims (9)
1. The utility model provides an environment air sampler trades membrane device which characterized in that: the filter membrane clamping device comprises an installation plate, a filter membrane tray, a transmission device and a clamping device, wherein the transmission device is fixed on the installation plate, the filter membrane tray is horizontally arranged above the installation plate through the transmission device, the filter membrane tray is provided with N membrane positions which are arranged in a straight line, and a filter membrane clamp is placed on each membrane position; the filter membrane on each membrane position corresponds to the sampling port of the cutter in a time-sharing manner, and the upper side and the lower side of the sampling port of the cutter are provided with sampling clamping devices.
2. The ambient air sampler membrane exchange device of claim 1, wherein: the transmission device comprises a motor, a lead screw and a nut, wherein the two ends of the lead screw are fixedly arranged on one side of the mounting plate through a mounting seat and a bearing, the motor is fixedly arranged on the side edge of the mounting plate, one end of the lead screw is connected with an output shaft of the motor, the nut is fixedly connected with the filter membrane tray, and the nut is meshed with the lead screw.
3. The ambient air sampler membrane exchange device of claim 1, wherein: the transmission device comprises a rodless cylinder and a sliding block, wherein the rodless cylinder is arranged on the mounting plate, a filter membrane tray is fixedly arranged on the sliding block, and the sliding block horizontally moves under the action of the cylinder.
4. The ambient air sampler membrane exchange device of claim 2 or 3, wherein: the transmission device further comprises a plurality of position sensors respectively used for detecting the stop positions of the film positions, and signal nodes of the position sensors are arranged in a control loop of the motor.
5. The ambient air sampler membrane exchange device of claim 1, wherein: the sampling clamping device comprises an upper clamping seat and a lower clamping seat which are respectively arranged at the upper side and the lower side of a sampling port of the cutter, wherein the upper clamping seat is connected at the bottom end of the sampling port of the cutter, the lower clamping seat is connected at the upper end of the sampling port of the cutter, the upper clamping seat and the lower clamping seat are funnel-shaped and are arranged oppositely, and the upper clamping seat and the lower clamping seat respectively correspond to the detection membrane positions of the filter membrane tray from the upper side and the lower side.
6. The ambient air sampler membrane exchange device of claim 5, wherein: the lower part of the lower clamping seat is provided with a hollow pipe communicated with an air pipeline, a rack is vertically arranged outside the hollow pipe, the rack is meshed with a gear, and the gear is in transmission connection with an output shaft of a clamping motor; and a supporting bearing is arranged on one side of the outside of the hollow pipe, which is opposite to the rack.
7. The ambient air sampler membrane exchange device of claim 5, wherein: sealing rings are arranged at the openings of the upper clamping seat and the lower clamping seat.
8. The ambient air sampler membrane exchange device of claim 1, wherein: the membrane position on the filter membrane tray is a circular opening, a U-arc opening or a polygonal opening.
9. The ambient air sampler membrane exchange device of claim 1, wherein: n is an integer of 2 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499389.3U CN211235134U (en) | 2019-09-10 | 2019-09-10 | Environment air sampler trades membrane device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499389.3U CN211235134U (en) | 2019-09-10 | 2019-09-10 | Environment air sampler trades membrane device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211235134U true CN211235134U (en) | 2020-08-11 |
Family
ID=71941937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921499389.3U Active CN211235134U (en) | 2019-09-10 | 2019-09-10 | Environment air sampler trades membrane device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211235134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018658A (en) * | 2021-11-09 | 2022-02-08 | 中国人民解放军总医院第五医学中心 | Air sample collector for regional infectious disease investigation equipment |
| CN116223402A (en) * | 2023-04-24 | 2023-06-06 | 雅安市汉源生态环境监测站 | Detection device for phosphorus pentoxide in air |
-
2019
- 2019-09-10 CN CN201921499389.3U patent/CN211235134U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018658A (en) * | 2021-11-09 | 2022-02-08 | 中国人民解放军总医院第五医学中心 | Air sample collector for regional infectious disease investigation equipment |
| CN114018658B (en) * | 2021-11-09 | 2022-06-21 | 中国人民解放军总医院第五医学中心 | Air sample collector for regional infectious disease investigation equipment |
| CN116223402A (en) * | 2023-04-24 | 2023-06-06 | 雅安市汉源生态环境监测站 | Detection device for phosphorus pentoxide in air |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211235134U (en) | Environment air sampler trades membrane device | |
| CN208026491U (en) | A kind of water quality monitoring unmanned plane automatic sampling apparatus | |
| CN114689384B (en) | River sewage outlet inspection device | |
| CN112557117A (en) | Water area layered sampling device for high-precision telescopic water quality monitoring | |
| CN109060439B (en) | Adjustable filtration pore water quality sampling equipment with negative pressure switch | |
| CN113029706A (en) | Single particulate matter sampling device and system | |
| CN108871858A (en) | A Channel-catfish fish pond water water quality monitoring equipment | |
| CN207996820U (en) | Automatic loading and unloading system | |
| CN104897547A (en) | Lifting device and full-automatic concrete impermeability instrument adopting same | |
| CN211627103U (en) | Multichannel ambient air particulate matter sample thief | |
| CN110068486B (en) | Atmospheric pollution precipitation sampling and detecting equipment for environmental engineering | |
| CN209890638U (en) | Plant germ spore capturing and analyzing system | |
| CN114608903B (en) | Intelligent dust collection and analysis device with filter membrane structure | |
| CN209939877U (en) | Rotary clamping device | |
| CN103630428B (en) | A kind of removable gas on-site sample collection device | |
| CN105572402A (en) | Turntable type fecal sample detection system and method | |
| CN206038386U (en) | Many samples of coaxial -type atmosphere automatic acquisition equipment | |
| CN211904788U (en) | Powder sampling equipment for concrete production | |
| CN112975873B (en) | Intelligent tool table for parts of water purification machine equipment and application method thereof | |
| CN211627099U (en) | Multi-membrane ambient air particulate matter sampler | |
| CN110763419B (en) | Drop test device | |
| CN210571601U (en) | Environmental monitoring sampling equipment | |
| CN112478162A (en) | Internet-based unmanned aerial vehicle capable of sampling multiple sewage | |
| CN113375956A (en) | Sampling device for environmental monitoring | |
| CN219736945U (en) | Atmospheric sampling device for environment detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |