CN219391490U - Atmospheric pollutant sampling and calibrating device - Google Patents
Atmospheric pollutant sampling and calibrating device Download PDFInfo
- Publication number
- CN219391490U CN219391490U CN202320503356.1U CN202320503356U CN219391490U CN 219391490 U CN219391490 U CN 219391490U CN 202320503356 U CN202320503356 U CN 202320503356U CN 219391490 U CN219391490 U CN 219391490U
- Authority
- CN
- China
- Prior art keywords
- sampling
- plate
- seat
- block
- clamping
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses an atmospheric pollutant sampling and calibrating device, which comprises a sampling machine, a display screen, a controller, a power supply connecting hole, a spiral cover and a sampling tube, wherein the sampling tube is movably clamped at the upper position inside the sampling machine.
Description
Technical Field
The utility model relates to the field of air pollution calibration, in particular to an air pollutant sampling and calibrating device.
Background
With the rapid development of economy and society, the energy consumption is continuously increased, the environmental air pollution situation in China is greatly changed, under the condition that the traditional soot type pollution is not effectively controlled, the regional composite type atmospheric pollution characterized by particulate matters, acid rain and ozone is continuously displayed, especially the problems of dust haze and photochemical pollution are increasingly prominent, the production and life of people are influenced, at the moment, the atmosphere is required to be sampled and detected to be used for uncovering pollution causes, and the atmosphere sampling and calibrating device is used for sucking the air in a detection area into equipment through a sampling tube for analysis and calibration so as to achieve sampling and calibration work; however, the existing calibration mode of the atmospheric pollutant sampling and calibrating device is that the sampling tube is arranged separately from the sampling machine, when the sampling and calibrating are needed, the sampling tube is needed to be installed above the sampling machine, and the sampling tube is easy to contact with dust raised nearby in the installation process, so that the dust is attached to the surface layer of the sampling tube, and when the atmospheric gas sampling and calibrating work is carried out again, the calibration value is easy to be higher, the final sampling and calibrating value is inaccurate, and therefore the atmospheric pollution cannot be effectively analyzed and treated;
there is therefore an urgent need to redesign an atmospheric contaminant sampling calibration device to address the above issues.
Disclosure of Invention
Accordingly, in order to solve the above-mentioned shortcomings, the present utility model provides an atmospheric contaminant sampling calibration device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an atmospheric pollutant sampling calibrating device, includes sampling machine, display screen, controller, power connecting hole, spiral cover, sampling pipe activity block is in the inside top position of sampling machine, the power connecting hole sets up in sampling machine front end below position, spiral cover fixed connection is in sampling pipe top, the controller is built-in to be connected in sampling machine front end middle section, the display screen sets up at sampling machine front end, and is in the controller top, and the sampling machine includes organism, elevating gear, electric power board, main control board, driver, connecting wire, elevating gear fixed connection is inside the organism, electric power board bolted connection is inside the organism, and is in elevating gear left side position, main control board is built-in to be connected in electric power board and driver top, driver fixed connection is between main control board and electric power board, and is connected with elevating gear through the connecting wire, display screen, controller and power connecting hole set up in the organism inside, and be in elevating gear right side, the sampling pipe sets up in the elevating gear top.
Preferably, the lifting device comprises a clamping seat, a support rod, a rod body, an extension seat, a guide rod, a stopper plate, a sealing ring and a baffle, wherein the clamping seat is fixedly connected above the support rod, the baffle is arranged above the rod body, the extension seat is fixedly connected inside the rod body in a embedded manner, the guide rod is welded and connected inside the extension seat, the stopper plate is in transition fit with the extension seat through the guide rod, the sealing ring is in embedded connection above the extension seat and is positioned below the baffle, the support rod is connected with the extension seat, and the rod body is arranged inside the machine body.
Preferably, the support rod is movably clamped above the extending seat in cooperation with the plug plate, the clamping seat is connected with the sampling tube, and the extending seat is in a mountain-shaped structure in cooperation with the guide rod.
Preferably, the clamping seat comprises a protection ring, a clamping seat, a bottom plate, a clamping angle block, a supporting spring and a fixing shaft, wherein the bottom plate is fixedly connected above the supporting rod, the protection ring is fixedly connected outside the clamping seat in a embedding mode, the clamping seat is arranged above the bottom plate, the clamping angle block is movably clamped inside the clamping seat in cooperation with the fixing shaft and the supporting spring, and the sampling tube is arranged above the bottom plate in cooperation with the clamping angle block.
Preferably, the clamping angle block, the supporting spring and the fixing shaft are at least provided with two parts, and are installed inside the clamping seat in a mirror symmetry mode, and the clamping angle block is matched with the bottom plate to be attached to the bottom of the sampling tube.
Preferably, the block angle comprises a antiskid plate, a plate block, an antiskid hemisphere and a clamping groove, wherein the antiskid plate is fixedly connected to the upper part of the plate block, the clamping groove is formed in the bottom of the plate block, the antiskid hemisphere is fixedly connected to the upper part of the antiskid plate in a embedding mode, and the plate block is connected with the supporting spring through the clamping groove.
Preferably, the antiskid hemisphere is provided with ten places at least above antiskid plate, and the even arrangement installation, antiskid plate and plate are half arc structure.
Preferably, the support spring comprises a top block, a rubber block, a spring strip and a buffer ball, wherein the top block is fixedly connected above the spring strip, the rubber block is arranged inside the rubber block, and the buffer ball is fixedly connected in the middle section of the spring strip.
The utility model has the beneficial effects that:
when the sampling calibration work is carried out, the spiral cover is rotated to unlock the sampling pipe, and the lifting device is driven by the power supply and the controller to lift the sampling pipe above the spiral cover upwards, so that the sampling pipe can carry out the sampling calibration work, wherein after the sampling calibration work, the sampling pipe can rotate again above the lifting device, further the unlocking effect of the sampling pipe is achieved, the sampling pipe is replaced indoors so as not to be adsorbed to dust, then the replaced sampling pipe is rotationally locked above the lifting device, and the lifting device is driven by the controller to drive the sampling pipe to shrink downwards to the inside of a machine body of the sampling machine, so that the sampling pipe can be prepared for the next sampling calibration work, and the problem that the traditional installation mode can be used for attaching the sampling pipe to the dust in the installation process or in the transportation process, so that the calibration precision is influenced is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side cross-sectional view of a sample cell of the present utility model;
FIG. 3 is a schematic elevational cross-sectional view of the lifting device of the present utility model;
FIG. 4 is a schematic top cross-sectional view of the engaging seat of the present utility model;
FIG. 5 is a schematic view of the structure of the corner block according to the present utility model;
fig. 6 is a schematic sectional view of the supporting spring of the present utility model.
Wherein: the sampler comprises a sampler body-1, a display screen-2, a controller-3, a power supply connecting hole-4, a screw cap-5, a sampling tube-6, a machine body-11, a lifting device-12, a power board-13, a main control board-14, a driver-15, a connecting line-16, a clamping seat-121, a supporting rod-122, a rod body-123, an extension seat-124, a guide rod-125, a plug board-126, a sealing ring-127, a baffle-128, a protection ring-1211, a clamping seat-1212, a bottom plate-1213, a clamping angle block-1214, a supporting spring-1215, a fixed shaft-1216, a antiskid plate-a 1, a plate-a 2, an antiskid hemisphere-a 3, a clamping groove-a 4, a top block-b 1, a rubber block-b 2, a spring bar-b 3 and a buffer ball-b 4.
Detailed Description
In order to further explain the technical scheme of the utility model, the following is explained in detail through specific examples.
Referring to fig. 1-2, the utility model provides an atmospheric pollutant sampling calibration device, which comprises a sampler 1, a display screen 2, a controller 3, a power supply connecting hole 4, a spiral cover 5 and a sampling tube 6;
the sampling tube 6 is movably clamped at the position above the inside of the sampling machine 1, the power supply connecting hole 4 is arranged at the lowest position of the front end of the sampling machine 1, the spiral cover 5 is fixedly connected above the sampling tube 6, the controller 3 is fixedly connected to the middle section of the front end of the sampling machine 1 in a embedding way, and the display screen 2 is arranged at the front end of the sampling machine 1 and above the controller 3;
in this embodiment, the sampling machine 1 includes a machine body 11, a lifting device 12, a power board 13, a main control board 14, a driver 15, and a connecting wire 16, wherein the lifting device 12 is fixedly connected inside the machine body 11, the power board 13 is connected inside the machine body 11 by bolts and is positioned at the left side of the lifting device 12, the main control board 14 is fixedly connected above the power board 13 and the driver 15, the driver 15 is fixedly connected between the main control board 14 and the power board 13, and is connected with the lifting device 12 by the connecting wire 16;
in this embodiment, the display screen 2, the controller 3 and the power supply connection hole 4 are arranged in the machine body 11 and are positioned on the right side of the lifting device 12, the sampling tube 6 is arranged above the lifting device 12, when the sampling calibration work is required to be performed on the atmospheric gas, the spiral cover 5 is firstly rotated to unlock the sampling tube 6, and at the moment, the lifting device 12 can lift the sampling tube 6 above the spiral cover 5 upwards under the driving of the power supply and the controller 3, so that the sampling tube 6 can perform the sampling calibration work, and the problems that the traditional installation mode is attached to dust in the installation process and the calibration precision is affected are avoided;
after the sampling calibration operation, the sampling tube 6 can rotate above the lifting device 12 again, so as to achieve the unlocking effect of the sampling tube 6, and the sampling tube 6 is replaced indoors so as not to be adsorbed to dust, then the replaced sampling tube 6 is rotationally locked above the lifting device 12, and the lifting device 12 can drive the sampling tube 6 to shrink downwards to the inside of the machine body 11 of the sampling machine 1 under the driving of the controller 3, so that the sampling tube 6 can be prepared for the next sampling calibration operation.
Referring to fig. 3, in the present embodiment, the lifting device 12 includes a clamping seat 121, a supporting rod 122, a rod body 123, an extending seat 124, a guide rod 125, a stopper 126, a sealing ring 127, and a baffle 128, wherein the clamping seat 121 is fixedly connected above the supporting rod 122, the baffle 128 is disposed above the rod body 123, the extending seat 124 is fixedly connected inside the rod body 123, the guide rod 125 is welded inside the extending seat 124, the stopper 126 is in transition fit with the extending seat 124 through the guide rod 125, the sealing ring 127 is connected above the extending seat 124 in a nested manner and is positioned below the baffle 128, and the supporting rod 122 is connected with the extending seat 124;
in this embodiment, the rod body 123 is disposed inside the machine body 11, the supporting rod 122 is movably clamped above the extending seat 124 in cooperation with the plug plate 126, the clamping seat 121 is connected with the sampling tube 6, the extending seat 124 is matched with the guide rod 125 to form a mountain-shaped structure, when the sampling tube 6 needs to be used, the driver 15 is matched with the connecting wire 16 to enable the plug plate 126 inside the rod body 123 to be matched with the guide rod 125 and the extending seat 124, and the supporting rod 122 above the plug plate 126 is pushed upwards, so that the clamping seat 121 above the supporting rod 122 drives the sampling tube 6 to move upwards simultaneously, at this time, rapid sampling and calibration work can be performed, the efficiency of sampling and calibration is improved, and the problem that dust is adsorbed to affect the calibration precision in the installation process is avoided.
Referring to fig. 4, in this embodiment, the clamping seat 121 includes a protection ring 1211, a clamping seat 1212, a bottom plate 1213, a corner block 1214, a supporting spring 1215, and a fixed shaft 1216, the bottom plate 1213 is fixedly connected above the supporting rod 122, the protection ring 1211 is fixedly connected outside the clamping seat 1212, the clamping seat 1212 is disposed above the bottom plate 1213, the corner block 1214 is movably clamped inside the clamping seat 1212 in cooperation with the fixed shaft 1216 and the supporting spring 1215, and the sampling tube 6 is disposed above the bottom plate 1213 in cooperation with the corner block 1214;
in this embodiment, two fixing angle blocks 1214, supporting springs 1215 and fixing shaft 1216 are disposed, and are mirror-symmetrically installed inside the fixing base 1212, the fixing angle blocks 1214 are matched with the bottom plate 1213 to be attached to the bottom of the sampling tube 6, and when the sampling tube 6 is detached, the fixing angle blocks 1214 inside the fixing base 121 are matched with the fixing shaft 1216 and the supporting springs 1215 to retract inside the fixing base 1212 by rotating the sampling tube 6 anticlockwise, so that a certain movement space is reserved, and the sampling tube 6 is more easily taken out from above the lifting device 12;
when the sampling tube 6 is installed, the sampling tube 6 is placed above the bottom plate 1213 of the clamping seat 121, and the clamping angle block 1214 can cooperate with the supporting spring 1215 to generate a certain elastic force with the fixed shaft 1216 by pressing downwards and rotating clockwise, so that the sampling tube 6 is clamped inside the clamping seat 1212, and the quick installation capability of the sampling tube 6 is improved.
Referring to fig. 5, in this embodiment, the corner block 1214 includes a antiskid plate a1, a plate a2, an antiskid hemisphere a3, and a slot a4, wherein the antiskid plate a1 is fixedly connected above the plate a2, the slot a4 is provided at the bottom of the plate a2, and the antiskid hemisphere a3 is fixedly connected above the antiskid plate a 1;
the plate block a2 is connected with the supporting spring 1215 through the clamping groove a4, the anti-slip hemisphere a3 is provided with ten parts above the anti-slip plate a1, and is uniformly arranged and installed, the anti-slip plate a1 and the plate block a2 are of a half-arc structure, the anti-slip plate a1 of the clamping angle block 1214 is made of neoprene, good flexibility and anti-slip capability are achieved, meanwhile, the anti-slip hemisphere a3 above the matched anti-slip plate a1 is used, the sampling tube 6 can be further fixed inside the clamping seat 1212, and the problem that the sampling tube 6 is offset or unstable in connection above the clamping seat 121 is avoided.
Referring to fig. 6, in this embodiment, the supporting spring 1215 includes a top block b1, a rubber block b2, a rubber block b3, and a buffer ball b4, where the top block b1 is fixedly connected above the rubber block b3, the rubber block b2 is disposed inside the rubber block, and the buffer ball b4 is fixedly connected to the middle section of the rubber block b3, where the rubber block b3 is made of beryllium copper alloy, and has a good reducing capability, and in the stable operation of the clamping block 1214 on the sampling tube 6, a certain supporting capability can be provided, so as to further stabilize the sampling tube 6, and the rubber block b2 and the buffer ball b4 inside the supporting spring 1215 absorb and buffer the rebound force generated when the clamping block 1214 is unlocked, so that the problem that the clamping seat 1212 may be damaged when the sampling tube 6 is replaced multiple times is solved, and the service life of the clamping seat 1212 is further prolonged.
The working principle is as follows:
when the sampling calibration work is carried out, firstly, the spiral cover 5 above the sampling tube 6 is rotated to unlock the sampling tube 6, and at the moment, under the drive of the power supply and the controller 15, the rod body 123 inside the lifting device 12 starts to operate through the cooperation of the connecting wire 16;
the plug plate 126 inside the rod body 123 is matched with the guide rod 125 and the extension seat 124, and the support rod 122 above the plug plate 126 is pushed upwards, so that the clamping seat 121 above the support rod 122 drives the sampling tube 6 to move upwards simultaneously, and at the moment, rapid sampling and calibration work can be performed, thereby not only improving the efficiency of sampling and calibration, but also avoiding the problem that dust is adsorbed in the installation process to influence the calibration precision;
in the process of replacing the sampling tube 6, when the sampling tube 6 is disassembled, the clamping angle block 1214 in the clamping seat 121 is matched with the fixed shaft 1216 and the supporting spring 1215 to shrink towards the inside of the clamping seat 1212 by rotating the sampling tube 6 anticlockwise, so that a certain moving space is reserved, the sampling tube 6 is more easily taken out from the upper part of the lifting device 12, and the unlocking effect of the sampling tube 6 is further achieved;
the anti-skid hemispheres a3 inside the corner clamping blocks 1214 are arranged at ten positions above the anti-skid plates a1 and are uniformly arranged, the specific number of the anti-skid hemispheres a3 is not particularly limited, the anti-skid plates a1 and the plate a2 are of a half-arc structure and are made of neoprene, the anti-skid plates a1 of the corner clamping blocks 1214 are made of good flexibility and anti-skid capability, meanwhile, the anti-skid hemispheres a3 above the anti-skid plates a1 are matched, the sampling tube 6 can be further fixed inside the clamping seat 1212, and the problem that the sampling tube 6 is offset or unstable in connection above the clamping seat 121 is avoided;
the elastic strip b3 inside the supporting spring 1215 is made of beryllium copper alloy, has good reducing capability, can provide certain supporting capability in the stable operation of the clamping angle block 1214 on the sampling tube 6, further stabilizes the sampling tube 6, and the rubber block b2 and the buffer ball b4 inside the supporting spring 1215 absorb and buffer the rebound force generated when the clamping angle block 1214 is unlocked, thereby solving the problem that the clamping seat 1212 is possibly damaged when the sampling tube 6 is replaced for many times, and further prolonging the service life of the clamping seat 1212;
because the sampling tube 6 is replaced indoors so as not to absorb dust, and then when the sampling tube 6 is installed, the sampling tube 6 is placed above the bottom plate 1213 of the clamping seat 121, and is pressed downwards and rotated clockwise, so that the sampling tube 6 is attached above the bottom plate 1213 of the clamping seat 121, and at the moment, the clamping angle block 1214 can be matched with the supporting spring 1215 to generate certain anti-elasticity with the fixed shaft 1216, thereby clamping the sampling tube 6 inside the clamping seat 1212, and improving the quick installation capability of the sampling tube 6;
after the sampling tube 6 is replaced and installed, the lifting device 12 can drive the sampling tube 6 to shrink downwards to the inside of the machine body 11 of the sampling machine 1 under the driving of the controller 3, so that the sampling tube 6 can be prepared for the next sampling calibration work, and the problem that the conventional installation mode can cause the attachment of the sampling tube 6 to dust in the installation process or the transportation process to influence the calibration precision is avoided.
The foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides an atmospheric pollution thing sampling calibrating device, includes sampler (1), display screen (2), controller (3), power connecting hole (4), spiral cover (5), sampling pipe (6) activity block is in the inside upper position of sampler (1), power connecting hole (4) set up in the extreme lower position of sampler (1) front end, spiral cover (5) fixed connection is in sampling pipe (6) top, controller (3) are built in to be connected in sampler (1) front end middle section, display screen (2) set up in sampler (1) front end, and are in controller (3) top;
the method is characterized in that: still include sampler (1) including organism (11), elevating gear (12), electric power board (13), main control board (14), driver (15), connecting wire (16), elevating gear (12) fixed connection is inside organism (11), electric power board (13) bolted connection is inside organism (11), and is in elevating gear (12) left side position, main control board (14) is built in and is connected in electric power board (13) and driver (15) top, driver (15) fixed connection is between main control board (14) and electric power board (13), and is connected with elevating gear (12) through connecting wire (16), display screen (2), controller (3) and power connecting hole (4) set up inside organism (11), and are in elevating gear (12) right side, sampling pipe (6) set up in elevating gear (12) top.
2. An atmospheric contaminant sampling calibration device according to claim 1, wherein: lifting device (12) are including block seat (121), bracing piece (122), body of rod (123), extension seat (124), guide arm (125), stopper plate (126), sealing washer (127), baffle (128), block seat (121) fixed connection is in bracing piece (122) top, baffle (128) set up in body of rod (123) top, extension seat (124) are built in and are connected inside body of rod (123), guide arm (125) welded connection is inside extension seat (124), stopper plate (126) pass through guide arm (125) and extension seat (124) transitional coupling, sealing washer (127) nested connection is in extension seat (124) top, and are in baffle (128) below, bracing piece (122) are connected with extension seat (124), body of rod (123) set up inside organism (11).
3. An atmospheric contaminant sampling calibration device according to claim 2, wherein: the supporting rod (122) is movably clamped above the extending seat (124) in a matched mode, the clamping seat (121) is connected with the sampling tube (6), and the extending seat (124) is in a mountain-shaped structure in a matched mode with the guide rod (125).
4. An atmospheric contaminant sampling calibration device according to claim 2, wherein: the clamping seat (121) comprises a protection ring (1211), a clamping seat (1212), a bottom plate (1213), a clamping angle block (1214), a supporting spring (1215) and a fixed shaft (1216), wherein the bottom plate (1213) is fixedly connected above the supporting rod (122), the protection ring (1211) is fixedly connected outside the clamping seat (1212), the clamping seat (1212) is arranged above the bottom plate (1213), the clamping angle block (1214) is movably clamped inside the clamping seat (1212) by matching with the fixed shaft (1216) and the supporting spring (1215), and the sampling tube (6) is arranged above the bottom plate (1213) by matching with the clamping angle block (1214).
5. An atmospheric contaminant sampling calibration device according to claim 4, wherein: the clamping angle block (1214), the supporting spring (1215) and the fixed shaft (1216) are at least arranged at two positions and are installed inside the clamping seat (1212) in a mirror symmetry mode, and the clamping angle block (1214) is matched with the bottom plate (1213) to be attached to the bottom of the sampling tube (6).
6. An atmospheric contaminant sampling calibration device according to claim 4, wherein: the corner block (1214) comprises a antiskid plate (a 1), a plate (a 2), an antiskid hemisphere (a 3) and a clamping groove (a 4), wherein the antiskid plate (a 1) is fixedly connected above the plate (a 2), the clamping groove (a 4) is formed in the bottom of the plate (a 2), the antiskid plate (a 1) is fixedly connected with the antiskid hemisphere (a 3) in a embedding mode, and the plate (a 2) is connected with a supporting spring (1215) through the clamping groove (a 4).
7. An atmospheric contaminant sampling calibration device according to claim 6, wherein: the antiskid hemisphere (a 3) is provided with ten places at least above antiskid plate (a 1), and the antiskid plate (a 1) and plate (a 2) are evenly arranged and installed, and the antiskid plate (a 1) and the plate (a 2) are in a half-arc structure.
8. An atmospheric contaminant sampling calibration device according to claim 4, wherein: the supporting spring (1215) comprises a top block (b 1), a rubber block (b 2), a spring strip (b 3) and a buffer ball (b 4), wherein the top block (b 1) is fixedly connected above the spring strip (b 3), the rubber block is arranged in the rubber block (b 2), and the buffer ball (b 4) is fixedly connected in the middle section of the spring strip (b 3) in a embedding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503356.1U CN219391490U (en) | 2023-03-09 | 2023-03-09 | Atmospheric pollutant sampling and calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503356.1U CN219391490U (en) | 2023-03-09 | 2023-03-09 | Atmospheric pollutant sampling and calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219391490U true CN219391490U (en) | 2023-07-21 |
Family
ID=87168438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320503356.1U Active CN219391490U (en) | 2023-03-09 | 2023-03-09 | Atmospheric pollutant sampling and calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219391490U (en) |
-
2023
- 2023-03-09 CN CN202320503356.1U patent/CN219391490U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219391490U (en) | Atmospheric pollutant sampling and calibrating device | |
| CN201352108Y (en) | Press fit examining mechanism for assembly machine of deep groove ball bearing retainer | |
| CN210201143U (en) | Shell assembling device of switch socket | |
| CN213985859U (en) | Novel atmospheric sampling ware | |
| CN212670380U (en) | Outdoor construction safety warning sign is maintained to electric power | |
| CN210648876U (en) | Supporting device for tapping of large double-head screw | |
| CN217333962U (en) | Breaker operating device handling instrument | |
| CN111929308A (en) | Mobile phone iron frame appearance defect detection system | |
| CN215862487U (en) | Gas recovery device | |
| CN211997787U (en) | Dual-purpose upper suction disc frame for ultrathin glass | |
| CN217385242U (en) | Photovoltaic module testing arrangement | |
| CN217586258U (en) | Clamping device and detection machine of LED lamp piece | |
| CN214732387U (en) | Light guide plate processing upset machine | |
| CN218383226U (en) | Antistatic capacity check out test set is used to LED lamp pearl | |
| CN211504372U (en) | Electronic balance scale for laboratory | |
| CN219417369U (en) | Industrial processing gas environment-friendly treatment detection instrument convenient to install | |
| CN102486508A (en) | Photovoltaic bus bar welding terminal testing table | |
| CN216791393U (en) | Toilet's illumination detection device | |
| CN220688463U (en) | Portable ambient gas detector | |
| CN219575726U (en) | Device for overturning medium-large density lead-acid storage battery assembly line by 180 degrees | |
| CN216361712U (en) | Sampling device for preventing and treating atmospheric environmental pollution | |
| CN220932657U (en) | Building material intensity detection device | |
| CN216029160U (en) | Rotary type press for fuel cell | |
| CN114406639B (en) | Fuel tank cap sealing washer equipment mechanism | |
| CN215066792U (en) | Chip detection equipment lifting module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |