CN213181419U - Fuel cell type portable VOCs gas chromatograph - Google Patents
Fuel cell type portable VOCs gas chromatograph Download PDFInfo
- Publication number
- CN213181419U CN213181419U CN202120741038.XU CN202120741038U CN213181419U CN 213181419 U CN213181419 U CN 213181419U CN 202120741038 U CN202120741038 U CN 202120741038U CN 213181419 U CN213181419 U CN 213181419U
- Authority
- CN
- China
- Prior art keywords
- shell
- chromatograph
- fuel cell
- cell type
- wall
- 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 provides a portable VOCs gas chromatograph of fuel cell type belongs to chromatograph technical field, and it comprises shell, closing cap, display and control panel, and the closing cap rotates with the shell to be connected, and the upper surface of shell is provided with the display, and the upper surface of shell is provided with control panel, and the lower surface of shell is provided with antiskid, and antiskid includes the spliced pole, the inner wall fixed connection of spliced pole and shell, the inner wall fixedly connected with buffer spring of spliced pole. The utility model discloses, directly place on the object surface when having solved present most chromatograph on the market and using, when the object surface is smooth surface, the coefficient of friction step-down between chromatograph and the object surface, when the user mistake touched the chromatograph, the chromatograph just can be driven the displacement to the testing result that leads to the chromatograph appears the mistake, needs to detect again, has increased the problem of user's work burden.
Description
Technical Field
The utility model belongs to the technical field of the chromatograph, especially, relate to portable VOCs gas chromatograph of fuel cell type.
Background
Volatile Organic Compounds (VOCs) are a generic term for all organic compounds that are emitted into the air as gaseous molecules at normal temperature and pressure. VOCs not only have strong toxicity, but also are important precursors influencing atmospheric composite pollution in China. Therefore, the detection and control of the VOCs have very important significance for improving the quality of the atmospheric environment in China. A portable chromatograph is a portable device for performing chromatographic separation analysis. The system comprises a sample introduction system, a detection system, a recording and data processing system, a temperature control system, a mobile phase control system and the like, is widely used for analyzing certain content of chemical products and high polymer materials, and has very important application in the aspect of analysis of atmospheric VOCs.
Directly placing on table surface when present most portable chromatograph in the market uses, when table surface is smooth surface, the coefficient of friction between portable chromatograph and the table surface step down, when the user mistake touched the chromatograph, portable chromatograph just can be driven the displacement, and the error appears in the testing result that probably leads to portable chromatograph on the one hand, need detect again, has increased user's work burden, need improve this.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the problem that the friction coefficient between portable chromatograph and the object surface that exists is low among the prior art, and provided the portable VOCs gas chromatograph of fuel cell type.
In order to achieve the above purpose, the utility model adopts the following technical scheme: fuel cell type portable VOCs gas chromatograph, it comprises shell, closing cap, display and control panel, the closing cap rotates with the shell to be connected, the upper surface of shell is provided with the display, the upper surface of shell is provided with control panel, the lower surface of shell is provided with antiskid, antiskid includes the spliced pole, the inner wall fixed connection of spliced pole and shell, the inner wall fixedly connected with buffer spring of spliced pole. The inner wall sliding connection of spliced pole has the support column, the inner wall fixedly connected with buffering ring of support column, the spacing spring that four symmetries of inner wall fixedly connected with of support column set up, the inner wall sliding connection of support column has the stopper, sets up spliced pole, support column, stopper and damping piece, has solved and has directly placed on the object surface when present most chromatographies on the market use, when the object surface is smooth surface, the coefficient of friction step-down between chromatograph and the object surface, when the user mistake touched the chromatograph, the chromatograph just can be driven the displacement to lead to the testing result mistake to the chromatograph, need detect again, user's work burden's problem has been increased.
The lower surface sliding connection of support column has the damping piece, the lower surface cover of support column establishes and threaded connection has solid fixed ring, when the chromatograph is placed on object surfaces such as earth's surface or desktop, damping piece and object surface contact, exert pressure to it through the weight of chromatograph self simultaneously, the damping piece has increased the friction between with the object surface when receiving pressure, the damping piece atress exerts pressure to the spliced pole when placing the chromatograph, the spliced pole upwards slides, exert pressure to buffer spring in the gliding process of spliced pole, the vibrations that the chromatograph received are absorbed in the process of buffer spring atress deformation, when needing to change the damping piece to different object surfaces, rotate solid fixed ring, gu fixed ring breaks away from the stopper in the pivoted process, lose the restriction to the stopper, press the stopper immediately, exert pressure to limit spring when the stopper atress, the limiting spring is stressed and deformed, the limiting block is not constrained during the deformation of the limiting spring, the limiting block slides towards the supporting column immediately, the limiting block is separated from the damping block during the sliding process to be limited, and the damping block can be detached and replaced after being limited.
The buffer springs are arranged in a circumferential array mode by taking the connecting column as a circle center, and one side, far away from the connecting column, of each buffer spring is fixedly connected with the supporting column.
One side and the stopper fixed connection of support column are kept away from to spacing spring, one side and damping piece sliding connection of support column are kept away from to the stopper, stopper and solid fixed ring's upper surface sliding connection.
A cleaning device is arranged on one side of the shell close to the control panel, the cleaning device comprises a driving motor, the driving motor is fixedly connected with the inner wall of the shell, a driving end of the driving motor is fixedly connected with a transmission rod, after the chromatograph is used, a switch of the driving motor is turned on, the driving motor is immediately electrified and rotated, the driving rod is driven to rotate in the rotation process of the driving motor, the driving rod is driven to rotate while rotating, the supporting frame is driven to displace in the rotation process of the driving rod, the fixing rod is driven to displace while displacing the supporting frame, the cleaning block is driven to move in the displacement process of the fixing rod, the control panel is wiped by the cleaning block in the movement process, so that the cleaning block is cleaned, when the cleaning block is too long in use and needs to be replaced, the fixing rod is pulled, the fixing rod is stressed, and one side of the fixing rod, then the old cleaning block in the fixed rod is taken out and replaced by a new cleaning block.
The inner wall fixedly connected with of shell two spacing posts that the symmetry set up, the inner wall of shell rotates and is connected with the driving band, one side fixedly connected with support frame that the shell was kept away from to the driving band.
The inner wall of support frame rotates and is connected with the dead lever, the inner wall sliding connection of dead lever has clean piece.
The drive rod is connected with the inner wall of the shell in a sliding mode, one end, far away from the drive motor, of the drive rod is connected with the drive belt in a transmission mode, and the limiting column is connected with the inner wall of the drive belt in a sliding mode.
The support frame is close to one side and the shell sliding connection of driving band, the quantity of support frame is two, two the support frame is the mirror image setting, the lower surface and the control panel sliding connection of cleaning block have solved present most chromatograph on the market and have used up the back and rely on the manual work to clear up control panel, and at the in-process of manual work clearance, the strength that clearance personnel can't control self use easily leads to control panel to appear the damage when strength is too big, can't guarantee control panel's clearance effect's problem when the strength undersize.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. in the utility model, by arranging the antiskid device, when the chromatograph is placed on the surface of objects such as earth surface or table top, the damping block is in contact with the surface of the object, meanwhile, the weight of the chromatograph is used for applying pressure to the chromatograph, the friction between the damping block 12 and the surface of the object is increased when the damping block is under pressure, the damping block 12 is stressed to apply pressure to the connecting column when the chromatograph is placed, the connecting column slides upwards, the buffer spring is applied with pressure in the sliding process of the connecting column, the vibration on the chromatograph is absorbed in the stress deformation process of the buffer spring, when the damping block needs to be replaced aiming at different surfaces of the object, the fixing ring is rotated, the fixing ring is separated from the limiting block in the rotating process, the limiting block is lost, the limiting block is pressed immediately, the limiting block is applied with pressure to the limiting spring when the limiting block is stressed, the limiting spring is deformed, the stopper slides to the support column immediately, the stopper breaks away from the damping piece at gliding in-process and loses the restriction to it, damping piece loses alright dismantle the change after the restriction, this device is through setting up the spliced pole, the support column, stopper and damping piece, direct placing on the object surface when having solved present on the market when most chromatograph uses, when the object surface is smooth surface, the coefficient of friction step-down between chromatograph and the object surface, when the user mistake touches the chromatograph, the chromatograph just can be driven the displacement, thereby lead to the testing result mistake of chromatograph, need detect again, user's work burden's problem has been increased.
2. The utility model discloses in, through setting up cleaning device, after the chromatograph finishes using, open driving motor's switch, driving motor circular telegram is rotated immediately, driving motor pivoted in-process drives the transfer line and rotates, the transfer line pivoted drives the driving band simultaneously and rotates, driving band pivoted in-process drives the support frame and carries out the displacement, drive the dead lever when the support frame displacement and carry out the displacement, the in-process of dead lever displacement drives the cleaning block and moves, the cleaning block cleans control panel at the in-process of motion, thereby clear up it, when cleaning block live time overlength, when needing to be changed, the pulling dead lever, the dead lever atress, it breaks away from the support frame with one side of support frame sliding connection, take out the old cleaning block in the dead lever immediately, it alright to change new cleaning block, this device is through setting up driving motor, Drive belt and cleaning block have solved present most chromatographs on the market and have used up the back and rely on the manual work to clear up control panel, and at the in-process of manual work clearance, the strength that clearance personnel can't control self and use easily leads to control panel to appear the damage when strength is too big, can't guarantee control panel's the problem of clearance effect when strength undersize.
Drawings
Fig. 1 is a schematic perspective view of a fuel cell type portable VOCs gas chromatograph according to the present invention;
fig. 2 is a schematic view of a portion of the fuel cell type portable VOCs gas chromatograph shown in fig. 1;
fig. 3 is a schematic diagram of the fuel cell type portable VOCs gas chromatograph at a in fig. 2;
fig. 4 is an exploded view of the fuel cell type portable VOCs gas chromatograph of fig. 1;
fig. 5 is a schematic view showing the structure of an anti-skid device in the fuel cell type portable VOCs gas chromatograph shown in fig. 1;
fig. 6 is a schematic diagram showing the structure of a cleaning apparatus in the fuel cell type portable VOCs gas chromatograph shown in fig. 1.
Illustration of the drawings: 1. a housing; 2. sealing the cover; 3. a display; 4. a control panel; 5. connecting columns; 6. a buffer spring; 7. a support pillar; 8. a buffer ring; 9. a limiting spring; 10. a limiting block; 11. a fixing ring; 12. a damping block; 13. a drive motor; 14. a transmission rod; 15. a limiting column; 16. a drive belt; 17. a support frame; 18. fixing the rod; 19. and (4) cleaning the block.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
As shown in fig. 1 and 4, the anti-slip device includes a connection column 5, the connection column 5 is fixedly connected with the inner wall of the housing 1, and a buffer spring 6 is fixedly connected with the inner wall of the connection column 5. The connecting column 5 is arranged, and the antiskid device is fixed in the shell 1 through the connecting column 5, so that the shell 1 can be far away from the surface of an object.
The inner wall sliding connection of spliced pole 5 has support column 7, and the inner wall fixedly connected with buffering ring 8 of support column 7, the spacing spring 9 that four symmetries of inner wall fixedly connected with of support column 7 set up, and the inner wall sliding connection of support column 7 has stopper 10. Set up spacing spring 9, spacing spring 9 can play the restraint to stopper 10 to make the spacing effect of stopper 10 realize.
The lower surface sliding connection of support column 7 has damping piece 12, and the lower surface cover of support column 7 is established and threaded connection has solid fixed ring 11. Set up solid fixed ring 11, gu fixed ring 11 can restrict stopper 10 to prevent to slide because of external power leads to stopper 10 to break away from damping piece 12.
The number of the buffer springs 6 is eight, the eight buffer springs 6 are arranged in a circumferential array by taking the connecting column 5 as a circle center, and one side, far away from the connecting column 5, of each buffer spring 6 is fixedly connected with the supporting column 7. Set up buffer spring 6, realized that the chromatograph cushions at placing in-process accessible buffer spring 6 to prevent that it from receiving vibrations by itself.
One side of the limit spring 9 far away from the support column 7 is fixedly connected with the limit block 10, one side of the limit block 10 far away from the support column 7 is slidably connected with the damping block 12, and the limit block 10 is slidably connected with the upper surface of the fixing ring 11. The damping mass 12 is provided to increase the friction between the surfaces of the objects and achieve stability of the chromatograph.
The effect that its upper segment part cooperation reaches is, through setting up antiskid, when the chromatograph is placed on object surfaces such as earth's surface or desktop, damping piece 12 and object surface contact, exert pressure to it through the weight of chromatograph self simultaneously, damping piece 12 has increased the friction with the object surface when receiving pressure, damping piece 12 atress exerts pressure to spliced pole 5 when placing the chromatograph, spliced pole 5 slides upwards, exert pressure to buffer spring 6 in the process of spliced pole 5 sliding, buffer spring 6 receives the vibrations absorption that the chromatograph received in the process of deformation, when needing to change damping piece 12 to different object surfaces, rotate solid fixed ring 11, gu fixed ring 11 breaks away from stopper 10 in the pivoted process, lose the restriction to stopper 10, press stopper 10 immediately, exert pressure to stopper spring 9 when stopper 10 atress, spacing spring 9 atress deformation, the in-process that spacing spring 9 deformation loses the restraint to stopper 10, stopper 10 slides in to support column 7 immediately, stopper 10 breaks away from damping piece 12 at gliding in-process and loses the restriction to it, damping piece 12 loses alright dismantle the change after the restriction, this device is through setting up spliced pole 5, support column 7, stopper 10 and damping piece 12, directly placed on the object surface when having solved present most chromatograph on the market and using, when object surface is smooth surface, coefficient of friction step-down between chromatograph and the object surface, when the user mistake touches the chromatograph, the chromatograph just can be driven the displacement, thereby lead to the detection result mistake of chromatograph to appear, need to detect again, the problem of user's work burden has been increased.
As shown in fig. 1 and 6, a cleaning device is disposed on one side of the housing 1 close to the control panel 4, the cleaning device includes a driving motor 13, the driving motor 13 is fixedly connected with the inner wall of the housing 1, and a driving rod 14 is fixedly connected with a driving end of the driving motor 13. Set up driving motor 13, cleaning device's automatic clearance effect has been realized, thereby user's work burden has been reduced, this device is through setting up driving motor 13, drive belt and cleaning block 19, it relies on the manual work to clear up control panel 4 to have solved most chromatographs on the market at present after using up, at the in-process of manual cleaning, the strength that cleaning personnel can't control self and use, easily lead to control panel 4 to appear the damage when strength is too big, the problem of the clearance effect of unable assurance control panel 4 when strength undersize.
The inner wall of the shell 1 is fixedly connected with two symmetrically arranged limiting columns 15, the inner wall of the shell 1 is rotatably connected with a driving belt 16, and one side, far away from the shell 1, of the driving belt 16 is fixedly connected with a supporting frame 17. A stopper post 15 is provided, and the stopper post 15 can restrict the drive belt 16 so that the drive belt 16 can be rotated.
The inner wall of the supporting frame 17 is rotatably connected with a fixed rod 18, and the inner wall of the fixed rod 18 is slidably connected with a cleaning block 19. The fixing rod 18 is arranged, and the cleaning block 19 is fixed through the fixing rod 18, so that the cleaning block 19 is convenient to replace.
The transmission rod 14 is connected with the inner wall of the shell 1 in a sliding mode, one end, far away from the driving motor 13, of the transmission rod 14 is connected with the driving belt 16 in a transmission mode, and the limiting column 15 is connected with the inner wall of the driving belt 16 in a sliding mode. A drive rod 14 is provided, which drive rod 14 can rotate a drive belt 16, so that the effect of the drive belt 16 driving the cleaning block 19 is achieved.
One side and the shell 1 sliding connection that support frame 17 is close to driving band 16, the quantity of support frame 17 is two, two support frames 17 are the mirror image setting, clean piece 19's lower surface and 4 sliding connection of control panel, set up support frame 17, support frame 17 can retrain clean piece 19 in dead lever 18, and support frame 17 can drive clean piece 19 and move, this device is through setting up driving motor 13, drive belt and clean piece 19, it clears up control panel 4 to have solved present most chromatograph on the market and has used up the back and rely on the manual work, at the in-process of manual work clearance, the unable strength of controlling self use of clearance personnel, easily lead to control panel 4 to appear the damage when the strength is too big, the problem of the clearance effect of unable assurance control panel 4 when the undersize strength.
The cleaning device is arranged, after the chromatograph is used, a switch of the driving motor 13 is turned on, the driving motor 13 is electrified and rotated immediately, the driving rod 14 is driven to rotate in the rotating process of the driving motor 13, the driving belt 16 is driven to rotate while the driving rod 14 rotates, the supporting frame 17 is driven to displace in the rotating process of the driving belt 16, the fixing rod 18 is driven to displace while the supporting frame 17 displaces, the cleaning block 19 is driven to move in the displacing process of the fixing rod 18, the cleaning block 19 wipes the control panel 4 in the moving process so as to clean the cleaning block, when the cleaning block 19 is used for too long time and needs to be replaced, the fixing rod 18 is pulled, the fixing rod 18 is stressed, one side of the cleaning block, which is in sliding connection with the supporting frame 17, is separated from the supporting frame 17, and the old cleaning block 19 in the fixing rod 18 is taken out immediately, change new clean piece 19 alright, this device is through setting up driving motor 13, drive belt and clean piece 19, has solved most chromatographs on the market at present and has used up the back and rely on the manual work to clear up control panel 4, and at the in-process of manual cleaning, the strength that clearance personnel can't control self and use easily leads to control panel 4 to appear the damage when strength is too big, can't guarantee control panel 4's clearance effect's problem when the strength undersize.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. Fuel cell type portable VOCs gas chromatograph, it comprises shell (1), closing cap (2), display (3) and control panel (4), its characterized in that: the utility model discloses a novel anti-skidding device for a display screen, including closing cap (2), shell (1), antiskid device, spliced pole (5), inner wall fixed connection of spliced pole (5) and shell (1), the inner wall fixedly connected with buffer spring (6) of spliced pole (5), the inner wall sliding connection of spliced pole (5) has support column (7), the inner wall fixedly connected with buffering ring (8) of support column (7), the upper surface of shell (1) is provided with control panel (4), the lower surface of shell (1) is provided with antiskid, antiskid includes spliced pole (5).
2. The fuel cell type portable VOCs gas chromatograph of claim 1, wherein: the inner wall fixedly connected with of support column (7) is spacing spring (9) that four symmetries set up, the inner wall sliding connection of support column (7) has stopper (10).
3. The fuel cell type portable VOCs gas chromatograph of claim 2, wherein: the lower surface sliding connection of support column (7) has damping piece (12), the lower surface cover of support column (7) is established and threaded connection has solid fixed ring (11).
4. The fuel cell type portable VOCs gas chromatograph of claim 1, wherein: the number of buffer springs (6) is eight, eight buffer springs (6) use spliced pole (5) to be the circumference array setting as the centre of a circle, one side and support column (7) fixed connection that spliced pole (5) were kept away from in buffer springs (6).
5. The fuel cell type portable VOCs gas chromatograph of claim 3, wherein: spacing spring (9) keep away from one side and stopper (10) fixed connection of support column (7), one side and damping piece (12) sliding connection of support column (7) are kept away from in stopper (10), stopper (10) and the upper surface sliding connection who gu fixed ring (11).
6. The fuel cell type portable VOCs gas chromatograph of claim 1, wherein: one side that shell (1) is close to control panel (4) is provided with cleaning device, cleaning device includes driving motor (13), the inner wall fixed connection of driving motor (13) and shell (1), the drive end fixedly connected with transfer line (14) of driving motor (13).
7. The fuel cell type portable VOCs gas chromatograph of claim 6, wherein: the inner wall fixedly connected with of shell (1) is spacing post (15) that two symmetries set up, the inner wall of shell (1) rotates and is connected with driving band (16), one side fixedly connected with support frame (17) of shell (1) are kept away from in driving band (16), the inner wall sliding connection of spacing post (15) and driving band (16).
8. The fuel cell type portable VOCs gas chromatograph of claim 7, wherein: the inner wall of support frame (17) rotates and is connected with dead lever (18), the inner wall sliding connection of dead lever (18) has cleaning block (19).
9. The fuel cell type portable VOCs gas chromatograph of claim 7, wherein: the transmission rod (14) is connected with the inner wall of the shell (1) in a sliding mode, and one end, far away from the driving motor (13), of the transmission rod (14) is in transmission connection with the driving belt (16).
10. The fuel cell type portable VOCs gas chromatograph of claim 8, wherein: one side of the support frame (17) close to the driving belt (16) is connected with the shell (1) in a sliding mode, the number of the support frames (17) is two, and the lower surface of the cleaning block (19) is connected with the control panel (4) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120741038.XU CN213181419U (en) | 2021-04-13 | 2021-04-13 | Fuel cell type portable VOCs gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120741038.XU CN213181419U (en) | 2021-04-13 | 2021-04-13 | Fuel cell type portable VOCs gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213181419U true CN213181419U (en) | 2021-05-11 |
Family
ID=75782325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120741038.XU Active CN213181419U (en) | 2021-04-13 | 2021-04-13 | Fuel cell type portable VOCs gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213181419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509472A (en) * | 2022-04-19 | 2022-05-17 | 佛山速敏智能仪器科技有限公司 | Gas detection system, detection method and gas detection device in transformer oil |
-
2021
- 2021-04-13 CN CN202120741038.XU patent/CN213181419U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509472A (en) * | 2022-04-19 | 2022-05-17 | 佛山速敏智能仪器科技有限公司 | Gas detection system, detection method and gas detection device in transformer oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213181419U (en) | Fuel cell type portable VOCs gas chromatograph | |
| CN110243978B (en) | Chromatograph | |
| CN112505219A (en) | Liquid chromatograph analysis method and liquid chromatograph | |
| CN215726480U (en) | Torque testing system | |
| CN110231474A (en) | A kind of industrial hemp element efficient detection device and detection method | |
| CN213512758U (en) | High-safety explosion-proof individual sampler | |
| CN210128956U (en) | Automatic sample introduction device for high performance liquid chromatograph | |
| CN210045294U (en) | Test tube clamping device and in-vitro detection analyzer | |
| CN215963254U (en) | Hospital clinical laboratory is with shaking even device | |
| CN210487698U (en) | Special rotatable liquid chromatograph for detection | |
| CN210114316U (en) | Sharing umbrella system | |
| CN211134022U (en) | Material physical simulation test bench | |
| CN217796256U (en) | Fixed clamping equipment for medical instrument inspection | |
| CN208684907U (en) | Homogenizer for microbiological examination | |
| CN112675778A (en) | Batching device of blood testing machine | |
| CN207502472U (en) | A kind of liquid chromatograph | |
| CN216484811U (en) | Gas chromatograph suitable for different environments | |
| CN214011153U (en) | Liquid chromatograph | |
| CN208672577U (en) | A kind of portable gas chromatograph | |
| CN217359808U (en) | Mounting rack of sulfur dioxide detection instrument | |
| CN117169035B (en) | Wear resistance detection device of plastic course for stadium | |
| CN214093623U (en) | Portable support for intelligent projector | |
| CN210376289U (en) | A movable harmful gas check out test set for environmental monitoring | |
| CN215931769U (en) | Protein identification kit based on liquid chromatography and mass spectrometry combined method | |
| CN220397072U (en) | Auxiliary stand for radiographic inspection machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |