CN111948116B - Air purification filter cloth detection device - Google Patents

Air purification filter cloth detection device Download PDF

Info

Publication number
CN111948116B
CN111948116B CN202010940413.3A CN202010940413A CN111948116B CN 111948116 B CN111948116 B CN 111948116B CN 202010940413 A CN202010940413 A CN 202010940413A CN 111948116 B CN111948116 B CN 111948116B
Authority
CN
China
Prior art keywords
display
filter cloth
detection
inspection device
air cleaning
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
Application number
CN202010940413.3A
Other languages
Chinese (zh)
Other versions
CN111948116A (en
Inventor
杨绍朋
王成义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lianyungang Lvtian Qingwan Air Conditioning Purification Equipment Co Ltd
Original Assignee
Lianyungang Lvtian Qingwan Air Conditioning Purification Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lianyungang Lvtian Qingwan Air Conditioning Purification Equipment Co Ltd filed Critical Lianyungang Lvtian Qingwan Air Conditioning Purification Equipment Co Ltd
Priority to CN202010940413.3A priority Critical patent/CN111948116B/en
Publication of CN111948116A publication Critical patent/CN111948116A/en
Application granted granted Critical
Publication of CN111948116B publication Critical patent/CN111948116B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/0806Details, e.g. sample holders, mounting samples for testing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention discloses an air purification filter cloth detection device which comprises a detection machine, a sealing ring and a clamping sleeve, wherein a display is arranged on the inner side of the detection machine, a charging port is arranged below the display, connecting blocks are arranged on two sides of the charging port, a magnetic block is arranged on the inner side of each connecting block, the sealing ring is arranged on the inner side of the display, a fixing sleeve is arranged in front of each sealing ring, limiting rods are arranged at two ends of each fixing sleeve, a sliding rail is arranged on one side of each limiting rod, a pulley is arranged inside each sliding rail, a rotating shaft is arranged on one side of each pulley, a protective cover is arranged on one side of each rotating shaft, the clamping sleeve is arranged above the display, and a detection rod is arranged above the clamping sleeve. Among this air purification filter cloth detection device, the magnetic force piece plays the movable action to the connecting block, and when the use device, the setting of magnetic force piece is convenient for carry out the effect that prevents the device and drop when charging, has increased the usability of device.

Description

Air purification filter cloth detection device
Technical Field
The invention relates to the technical field related to purification filter cloth, in particular to an air purification filter cloth detection device.
Background
The filter cloth is a filter medium woven by natural fibers or synthetic fibers, comprises a metal net or a filter screen, is mainly applied to air filtration, dust removal, dust collection, powder collection, air purification and environment protection, and is suitable for quality evaluation of various industries and categories by testing specified technical performance indexes of certain objects by using a specified method in industries such as smelting plants, chemical plants, sugar manufacturing, dyes, medicines, foods and the like.
But air purification filter cloth detection device who uses at present, it is not convenient for carry on waterproofly to the device, is not convenient for detect the interface to the device and prevents dust, is not convenient for charge the anti-drop to the device.
Disclosure of Invention
The invention aims to provide an air purification filter cloth detection device, which solves the problems that the existing air purification filter cloth detection device proposed in the background art is inconvenient to waterproof, dustproof for a detection interface of the device and charge and drop prevention for the device.
In order to achieve the purpose, the invention provides the following technical scheme: an air purification filter cloth detection device comprises a detection machine, a sealing ring and a clamping sleeve, wherein a display is arranged on the inner side of the detection machine, a charging port is arranged below the display, connecting blocks are arranged on two sides of the charging port, a magnetic block is arranged on the inner side of each connecting block, the sealing ring is arranged on the inner side of the display, a fixing sleeve is arranged in front of each sealing ring, limiting rods are arranged at two ends of each fixing sleeve, a sliding rail is arranged on one side of each limiting rod, a pulley is arranged inside each sliding rail, a rotating shaft is arranged on one side of each pulley, a protective cover is arranged on one side of each rotating shaft, the clamping sleeve is arranged above the display, a detection rod is arranged above the clamping sleeve, a dustproof cover is arranged at one end of each detection rod, a rotating rod is arranged at the other end of each detection rod, a rotating block is arranged below each rotating rod, and rotating beads are arranged on the outer side below each rotating block, meanwhile, a clamping block is arranged on the outer side of the rotating bead.
Preferably, the display forms a sliding structure by the sliding rail and the pulley, and the inner width of the sliding rail is greater than the outer width of the pulley.
Preferably, the connecting block is movably connected with the magnetic block, and the magnetic block is symmetrically arranged on the central axis of the display.
Preferably, the outer side of the sealing ring is tightly attached to the inner side of the display, and the length of the outer side of the sealing ring is smaller than the length of the inner side of the display.
Preferably, the fixed sleeve is in threaded connection with the limiting rod, and the inner side of the fixed sleeve and the outer side of the limiting rod are both in threaded arrangement.
Preferably, the protective cover and the detection mechanism form a rotating structure through a rotating shaft, and the outer width of the protective cover is consistent with that of the detection machine.
Preferably, the cutting ferrule is in threaded connection with the display, and the outer side of the lower portion of the cutting ferrule and the inner side of the upper portion of the display are both in threaded structure arrangement.
Preferably, the detection rod is connected with the dust cover in a clamping mode, and the dust cover is symmetrically arranged on the central axis of the displayer.
Preferably, the detection rod forms a rotating structure through the rotating block and the rotating beads, and one end of the detection rod is designed in an opening mode.
Compared with the prior art, the invention has the beneficial effects that:
1. this air purification filter cloth detection device plays the movable action to the connecting block through the magnetic force piece, and when the use device, the setting of magnetic force piece is convenient for carry out the effect that prevents the device and drop when charging, has increased the usability of device.
2. This air purification filter cloth detection device plays the effect of closely laminating to the display through the sealing washer, and when the operative installations, the setting of sealing washer is convenient for carry out water-proof effects to the device is inside, has increased the practicality of device.
3. This air purification filter cloth detection device plays block fixed action to the gauge rod through the shield, and when the use device, the setting of shield is convenient for carry out dustproof effect to the device, prevents that the device dust from influencing the testing result of device, has increased the usability of device.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the front view of the present invention;
FIG. 3 is a schematic structural view of a ferrule part of the present invention;
FIG. 4 is an enlarged view of FIG. A of the present invention.
In the figure: 1. a detector; 2. a display; 3. a charging port; 4. connecting blocks; 5. a magnetic block; 6. a seal ring; 7. fixing a sleeve; 8. a limiting rod; 9. a slide rail; 10. a pulley; 11. a rotating shaft; 12. a protective cover; 13. a card sleeve; 14. a detection lever; 15. a dust cover; 16. a rotating rod; 17. rotating the block; 18. rotating the beads; 19. and (7) clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an air purification filter cloth detection device comprises a detection machine 1, a sealing ring 6 and a clamping sleeve 13, wherein a display 2 is arranged on the inner side of the detection machine 1, a charging port 3 is arranged below the display 2, connecting blocks 4 are arranged on two sides of the charging port 3, a magnetic block 5 is arranged on the inner side of each connecting block 4, the sealing ring 6 is arranged on the inner side of the display 2, a fixing sleeve 7 is arranged in front of each sealing ring 6, limiting rods 8 are arranged at two ends of each fixing sleeve 7, a sliding rail 9 is arranged on one side of each limiting rod 8, a pulley 10 is arranged inside each sliding rail 9, a rotating shaft 11 is arranged on one side of each pulley 10, a protective cover 12 is arranged on one side of each rotating shaft 11, the clamping sleeve 13 is arranged above the display 2, a detection rod 14 is arranged above the clamping sleeve 13, a dustproof cover 15 is arranged at one end of each detection rod 14, and a rotating rod 16 is arranged at the other end of each detection rod 14, a rotating block 17 is arranged below the rotating rod 16, rotating beads 18 are arranged on the outer side of the lower portion of the rotating block 17, and a clamping block 19 is arranged on the outer side of the rotating beads 18.
Furthermore, the display 2 forms a sliding structure through the sliding rail 9 and the pulley 10, the inner width of the sliding rail 9 is larger than the outer width of the pulley 10, the sliding rail 9 and the pulley 10 are arranged to slide the display 2, and when the device is used, the sliding arrangement of the display 2 is convenient for operating the device.
Further, connecting block 4 and 5 swing joint of magnetic block, and magnetic block 5 sets up with 2 axis symmetry in the display, plays the mobile effect to connecting block 4 through setting up magnetic block 5, and when the use device, the setting of magnetic block 5 is convenient for carry out the effect that prevents the device and drop when charging, has increased the usability of device.
Further, the outside of sealing washer 6 closely laminates with the inboard of display 2, and the outside length of sealing washer 6 is less than the inboard length of display 2, plays the effect of closely laminating to display 2 through setting up sealing washer 6, and when the operative installations, the setting of sealing washer 6 is convenient for carry out water-proof effects to the device is inside, has increased the practicality of device.
Further, fixed cover 7 and 8 threaded connection of gag lever post, and the inboard of fixed cover 7 and the outside of gag lever post 8 are the screw thread form setting, play the thread tightening effect to fixed cover 7 through setting up gag lever post 8, when the use device, the installation is dismantled to the device part to setting up of gag lever post 8 is convenient for, has increased the usability of device.
Furthermore, the protective cover 12 and the detecting machine 1 form a rotating structure through the rotating shaft 11, the outer width of the protective cover 12 is consistent with the outer width of the detecting machine 1, the protective cover 12 is rotated through the rotating shaft 11 and the detecting machine 1, when the device is used, the arrangement of the protective cover 12 is convenient for protecting the internal machine of the device, and the usability of the device is improved.
Further, cutting ferrule 13 and 2 threaded connection of display, and the below outside of cutting ferrule 13 is the screw thread column structure setting with the top inboard of display 2, plays threaded connection's effect to display 2 through setting up cutting ferrule 13, and when the use device, the setting of cutting ferrule 13 is convenient for accomodate the device part.
Furthermore, the detection rod 14 is connected with the dust cover 15 in a clamping mode, the dust cover 15 is symmetrically arranged along the axis of the display 2, the detection rod 14 is fixedly clamped through the dust cover 15, when the device is used, the dust cover 15 is arranged, so that the device can be conveniently prevented from being dust, the detection result of the device is prevented from being influenced by dust, and the usability of the device is improved.
Further, the measuring rod 14 constitutes revolution mechanic through changeing piece 17 and changeing pearl 18, and measuring rod 14 one end is the design of trompil formula, changes piece 17 and changes pearl 18 through setting up and play the rotation effect to measuring rod 14, and when the operative installations, the setting of changeing piece 17 is convenient for carry out multi-angle adjustment effect to the device.
The working principle is as follows: for the air purification filter cloth detection device, firstly, when the air purification filter cloth needs to be detected, the detection machine 1 is taken out and held in the hand, the rotating shaft 11 and the detection machine 1 rotate to open the protective cover 12, the rotating block 17 and the rotating bead 18 rotate to open the detection rod 14 to adjust the angle, the detached dustproof cover 15 is clamped and fixed on the detection rod 14, the sliding rail 9 and the pulley 10 slide up the display 2, the power switch of the display 2 is opened, the display 2 starts to work at the moment, the air purification filter cloth is detected, the detection data can be displayed through the display 2, after the detection is finished, the sliding rail 9 and the pulley 10 slide down the display 2, the dustproof cover 15 is clamped and fixed on the detection rod 14, the rotating block 17 and the rotating bead 18 rotate to close the detection rod 14 to adjust the angle, then, the detection rod 14 is clamped and fixed with the clamping sleeve 13, the rotating shaft 11 and the detection machine 1 are rotated to close the protective cover 12, finally, when the detection machine 1 needs to be charged, the magnetic block 5 is movably closed to the connecting block 4, and the charging device is inserted into the charging port 3 to be charged, wherein the detection machine 1 is the prior art and is not taken as a novel point of the scheme, and meanwhile, the model of the display 2 is P5Z, so that the using process of the whole air purification filter cloth detection device is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides an air purification filter cloth detection device, is including detecting machine (1), sealing washer (6) and cutting ferrule (13), its characterized in that: the inner side of the detector (1) is provided with a display (2), a charging port (3) is arranged below the display (2), connecting blocks (4) are arranged on two sides of the charging port (3), a magnetic block (5) is arranged on the inner side of each connecting block (4), a sealing ring (6) is arranged on the inner side of the display (2), a fixing sleeve (7) is arranged in front of the sealing ring (6), limiting rods (8) are arranged at two ends of the fixing sleeve (7), a sliding rail (9) is arranged on one side of each limiting rod (8), pulleys (10) are arranged inside the sliding rail (9), a rotating shaft (11) is arranged on one side of each pulley (10), a protective cover (12) is arranged on one side of each rotating shaft (11), clamping sleeves (13) are arranged above the display (2), and a detection rod (14) is arranged above the clamping sleeves (13), the one end of measuring pole (14) is provided with shield (15), and the other end of measuring pole (14) is provided with bull stick (16), the below of bull stick (16) is provided with commentaries on classics piece (17), and the below outside of commentaries on classics piece (17) all is provided with commentaries on classics pearl (18), and the outside of changeing pearl (18) is provided with fixture block (19) simultaneously.
2. An air cleaning filter cloth inspection device according to claim 1, wherein: the display (2) forms a sliding structure through the sliding rail (9) and the pulley (10), and the width of the inner side of the sliding rail (9) is larger than the width of the outer side of the pulley (10).
3. An air cleaning filter cloth inspection device according to claim 1, wherein: the connecting block (4) is movably connected with the magnetic block (5), and the magnetic block (5) is symmetrically arranged along the axis of the display (2).
4. An air cleaning filter cloth inspection device according to claim 1, wherein: the outer side of the sealing ring (6) is tightly attached to the inner side of the display (2), and the length of the outer side of the sealing ring (6) is smaller than that of the inner side of the display (2).
5. An air cleaning filter cloth inspection device according to claim 1, wherein: the fixed sleeve (7) is in threaded connection with the limiting rod (8), and the inner side of the fixed sleeve (7) and the outer side of the limiting rod (8) are both in threaded arrangement.
6. An air cleaning filter cloth inspection device according to claim 1, wherein: the protective cover (12) and the detection machine (1) form a rotating structure through the rotating shaft (11), and the outer width of the protective cover (12) is consistent with that of the detection machine (1).
7. An air cleaning filter cloth inspection device according to claim 1, wherein: the cutting sleeve (13) is in threaded connection with the display (2), and the outer side of the lower portion of the cutting sleeve (13) and the inner side of the upper portion of the display (2) are both in threaded structure arrangement.
8. An air cleaning filter cloth inspection device according to claim 1, wherein: the detection rod (14) is connected with the dust cover (15) in a clamping mode, and the dust cover (15) is symmetrically arranged on the axis of the display (2).
9. An air cleaning filter cloth inspection device according to claim 1, wherein: the detection rod (14) forms a rotating structure through the rotating block (17) and the rotating beads (18), and one end of the detection rod (14) is designed in an opening mode.
CN202010940413.3A 2020-09-09 2020-09-09 Air purification filter cloth detection device Active CN111948116B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010940413.3A CN111948116B (en) 2020-09-09 2020-09-09 Air purification filter cloth detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010940413.3A CN111948116B (en) 2020-09-09 2020-09-09 Air purification filter cloth detection device

Publications (2)

Publication Number Publication Date
CN111948116A CN111948116A (en) 2020-11-17
CN111948116B true CN111948116B (en) 2021-12-28

Family

ID=73357156

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010940413.3A Active CN111948116B (en) 2020-09-09 2020-09-09 Air purification filter cloth detection device

Country Status (1)

Country Link
CN (1) CN111948116B (en)

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3445446C2 (en) * 1983-12-24 1989-01-26 Sartorius Gmbh, 3400 Goettingen, De
CN2068680U (en) * 1989-12-28 1991-01-02 西北纺织工学院 Device for assaying fabric water permeability
CN1584590A (en) * 2004-05-26 2005-02-23 唐恒博 Filtered fabrics performance on-line detecting method
CN204630893U (en) * 2015-05-08 2015-09-09 苏州兹安金属制品有限公司 For the pick-up unit of water-proof cloth
CN105477915A (en) * 2016-01-25 2016-04-13 佛山市金凯地过滤设备有限公司 Filter-pressing plate capable of achieving convenient filter cloth fixing and filter plate system adopted in filter-pressing plate
KR20170054636A (en) * 2015-11-09 2017-05-18 재단법인경북테크노파크 Filter Holding Unit for Testing Microorganism Filter
CN107063971A (en) * 2017-05-17 2017-08-18 台州海勃机械有限公司 Simple filter cloth tester
CN206450567U (en) * 2017-01-23 2017-08-29 天津天纺生产力促进有限公司 A kind of textile inspection system
CN206945693U (en) * 2017-06-14 2018-01-30 广东坚达聚纤科技实业有限公司 One kind can bath raio regulation chemical fibre testing equipment
CN207440050U (en) * 2017-11-08 2018-06-01 南京海亿自动化技术有限公司 A kind of detecting box with sealing structure
CN207540940U (en) * 2017-11-29 2018-06-26 新乡天翼过滤技术检测有限公司 A kind of filtering material or filter element air permeability detector
CN208953418U (en) * 2018-10-26 2019-06-07 江苏稳德福无纺科技有限公司 A kind of fixed device of non-woven fabrics gas permeability detection
CN209027911U (en) * 2018-10-25 2019-06-25 温州际高检测仪器有限公司 Air-actuated jaw is used in a kind of test of geotextiles hydrostatic pressing
CN209372577U (en) * 2018-12-30 2019-09-10 南通宝威纺织品有限公司 A kind of detection device of textile cloth
CN210923410U (en) * 2019-09-12 2020-07-03 上海弘度新材料科技有限公司 Facial mask non-woven fabrics gas permeability detection device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201488938U (en) * 2009-08-11 2010-05-26 肇庆俊富纤网材料有限公司 Tester for permeability characteristic of geotextile
CN103940821B (en) * 2014-03-27 2016-06-15 浙江金世达实业有限公司 A kind of verifier of cloth
CN105572015B (en) * 2016-03-04 2018-06-15 台州海勃机械有限公司 Filter cloth is adapted to type selecting stimulation tester

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3445446C2 (en) * 1983-12-24 1989-01-26 Sartorius Gmbh, 3400 Goettingen, De
CN2068680U (en) * 1989-12-28 1991-01-02 西北纺织工学院 Device for assaying fabric water permeability
CN1584590A (en) * 2004-05-26 2005-02-23 唐恒博 Filtered fabrics performance on-line detecting method
CN204630893U (en) * 2015-05-08 2015-09-09 苏州兹安金属制品有限公司 For the pick-up unit of water-proof cloth
KR20170054636A (en) * 2015-11-09 2017-05-18 재단법인경북테크노파크 Filter Holding Unit for Testing Microorganism Filter
CN105477915A (en) * 2016-01-25 2016-04-13 佛山市金凯地过滤设备有限公司 Filter-pressing plate capable of achieving convenient filter cloth fixing and filter plate system adopted in filter-pressing plate
CN206450567U (en) * 2017-01-23 2017-08-29 天津天纺生产力促进有限公司 A kind of textile inspection system
CN107063971A (en) * 2017-05-17 2017-08-18 台州海勃机械有限公司 Simple filter cloth tester
CN206945693U (en) * 2017-06-14 2018-01-30 广东坚达聚纤科技实业有限公司 One kind can bath raio regulation chemical fibre testing equipment
CN207440050U (en) * 2017-11-08 2018-06-01 南京海亿自动化技术有限公司 A kind of detecting box with sealing structure
CN207540940U (en) * 2017-11-29 2018-06-26 新乡天翼过滤技术检测有限公司 A kind of filtering material or filter element air permeability detector
CN209027911U (en) * 2018-10-25 2019-06-25 温州际高检测仪器有限公司 Air-actuated jaw is used in a kind of test of geotextiles hydrostatic pressing
CN208953418U (en) * 2018-10-26 2019-06-07 江苏稳德福无纺科技有限公司 A kind of fixed device of non-woven fabrics gas permeability detection
CN209372577U (en) * 2018-12-30 2019-09-10 南通宝威纺织品有限公司 A kind of detection device of textile cloth
CN210923410U (en) * 2019-09-12 2020-07-03 上海弘度新材料科技有限公司 Facial mask non-woven fabrics gas permeability detection device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
基于机器视觉的滤布破损检测与信息管理系统;柯国松;《工业控制计算机》;20141231;42-43 *

Also Published As

Publication number Publication date
CN111948116A (en) 2020-11-17

Similar Documents

Publication Publication Date Title
CN111948116B (en) Air purification filter cloth detection device
CN110987519A (en) Sampling device for soil restoration with layering function
CN208350469U (en) A kind of flue gas sampler
CN113390717B (en) Tensile detection device and detection method for rock-soil mass
CN208653851U (en) A kind of Portable field exploration silt sample collecting apparatus
CN108562456B (en) Portable sediment sample collection device for field exploration
CN207123251U (en) A kind of simple detector of open-pit slope angle
CN209673339U (en) Switching characteristic tester
CN208736555U (en) A kind of illumination photometer handy to carry about used
CN219996240U (en) Portable air flow tester
CN221010120U (en) Portable optical power tester
CN216955905U (en) Portable atmospheric environment quality detection equipment
CN220104970U (en) Composite gas detector
CN213482189U (en) Combustible gas detector suitable for narrow gap
CN219997182U (en) Insulating resistance meter that suitability is strong
CN216525299U (en) Safety inspection machine is cut to refill book of pencil
CN205420395U (en) Microbial test tube
CN220650540U (en) Portable handheld dew point meter
CN221006636U (en) Micro differential pressure transmitter convenient to keep balance
CN220471002U (en) Portable device of patrolling and examining
CN220894291U (en) But height-adjusting's water quality testing appearance
CN209148729U (en) A kind of novel high-voltage cable partial discharge monitoring device mounting rack
CN220454944U (en) Water sampling equipment for water environment detection
CN214040846U (en) Formaldehyde detection gas collection system is examined to engineering quality
CN218674822U (en) Dew point instrument

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant