CN110716013A - Environment detection equipment with rotary mechanism - Google Patents

Environment detection equipment with rotary mechanism Download PDF

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Publication number
CN110716013A
CN110716013A CN201910900187.3A CN201910900187A CN110716013A CN 110716013 A CN110716013 A CN 110716013A CN 201910900187 A CN201910900187 A CN 201910900187A CN 110716013 A CN110716013 A CN 110716013A
Authority
CN
China
Prior art keywords
detection
environment
rod
rotating
rotation
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.)
Pending
Application number
CN201910900187.3A
Other languages
Chinese (zh)
Inventor
彭映先
庄碧祥
万富磊
沈词专
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.)
Fujian Zhongke Environmental Detection Technology Co Ltd
Original Assignee
Fujian Zhongke Environmental Detection Technology 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 Fujian Zhongke Environmental Detection Technology Co Ltd filed Critical Fujian Zhongke Environmental Detection Technology Co Ltd
Priority to CN201910900187.3A priority Critical patent/CN110716013A/en
Publication of CN110716013A publication Critical patent/CN110716013A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011Sample conditioning

Abstract

The invention discloses an environment detection device with a rotating mechanism, which comprises a base, a detection table, an environment detector, a control panel and a rotating table, wherein the rotating table is fixed at the center of the top end of the base, a rotating structure is arranged inside the rotating table, the detection table is arranged above the rotating table, a detection chamber is arranged on one side inside the detection table, an air blower is arranged on the inner wall of one side of the detection chamber, a power cavity is arranged inside the detection table on one side of the detection chamber, the environment detector is arranged at the center of the inside of the power cavity, an air suction pipe is arranged on the outer wall of one side of the environment detector, one end of the air suction pipe extends into the detection chamber, an air exhaust port is arranged on one side of the top end of the detection table, and an air inlet is. The invention not only improves the detection effect of the environment detection equipment when in use, improves the air quality of the environment detection equipment when in use, but also improves the stability of the environment detection equipment when in use.

Description

Environment detection equipment with rotary mechanism
Technical Field
The invention relates to the technical field of environment detection equipment, in particular to environment detection equipment with a rotating mechanism.
Background
With the continuous improvement of the living standard of people, the requirements of people on living environment are higher and higher, and partial people can detect the air quality condition in advance, so that whether the air quality condition is suitable for going out or not is judged according to the air quality condition, and corresponding environment detection equipment is needed.
The environment detection equipment on the market is various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.
(1) The traditional environment detection equipment is inconvenient to rotate, is difficult to detect air in different directions, and often troubles people;
(2) the traditional environment detection equipment is inconvenient for filtering the sucked gas, difficult to improve the current air quality and also required to be improved;
(3) traditional this type of environment check out test set be not convenient for adsorb fixedly with ground, lead to its phenomenon that easily appears the skew, stability is general.
Disclosure of Invention
The invention aims to provide an environment detection device with a rotating mechanism, which solves the problems that the environment detection device is inconvenient to rotate, filter the sucked gas and adsorb and fix the sucked gas on the ground in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an environment detection device with a rotating mechanism comprises a base, a detection table, an environment detector, a control panel and a rotating table, wherein the rotating table is fixed at the central position of the top end of the base, a rotating structure is arranged in the rotating table, the detection table is arranged above the rotating table, a detection chamber is arranged on one side of the interior of the detection table, an air blower is arranged on the inner wall of one side of the detection chamber, a power cavity is arranged in the detection table on one side of the detection chamber, the environment detector is arranged at the central position of the interior of the power cavity, an air suction pipe is arranged on the outer wall of one side of the environment detector, one end of the air suction pipe extends into the interior of the detection chamber, an air exhaust port is arranged on one side of the top end of the detection table, the bottom end of the air exhaust port extends into the interior of the detection chamber, an, the central point on revolving stage surface puts the department and is equipped with control panel, the output of the inside singlechip of control panel respectively with air-blower and environment measuring appearance's input electric connection to all be equipped with two sets of adsorption structure on the outer wall of revolving stage both sides.
Preferably, all be equipped with the location concave block on two inside walls of detection room, and the detection indoor portion between the adjacent location concave block is equipped with the linking frame to the active carbon filter screen is installed to the inboard of linking frame.
Preferably, revolution mechanic's inside is equipped with stand, swing handle, connecting rod, spiral roller and fluted disc in proper order, it has the spiral roller to articulate on the inner wall of revolving stage one side, and the one end of spiral roller is fixed with the connecting rod, and the one end that the spiral roller was kept away from to the connecting rod extends to the outside of revolving stage to the one end that the spiral roller was kept away from to the connecting rod is equipped with the swing handle.
Preferably, the revolving stage inside of spiral roller one side articulates there is the fluted disc, and the central point on fluted disc top puts the department and is equipped with the stand, the top of stand extend to the outside of revolving stage and with the bottom fixed connection who detects the platform.
Preferably, the central point department of putting on revolving stage top is equipped with annular spacing frame, and the inside both sides of annular spacing frame all are equipped with the gag lever post, and the top of gag lever post extends to the outside of annular spacing frame and with the bottom fixed connection who examines the test table.
Preferably, the two inner side walls of the detection chamber on one side of the positioning concave block are both provided with vibrators, one ends of the vibrators are fixedly connected with the outer wall of the connecting frame, the two outer side walls of the connecting frame are both provided with composite springs, and one ends of the composite springs are fixedly connected with the inner wall of the positioning concave block.
Preferably, the number of the adsorption structures is four, the four adsorption structures are divided into two groups, and the adjacent adsorption structures are symmetrical about the central line of the rotating platform.
Preferably, adsorption structure's inside is equipped with articulated seat, arrangement frame, sucking disc, pole setting and trace in proper order, all be fixed with two sets of arrangement frames on the outer wall of base both sides, and the central point department of putting of arranging the frame bottom is equipped with articulated seat to the top of articulated seat articulates there is the trace.
Preferably, the one end that articulated seat was kept away from to the trace articulates there is the pole setting, and the top of pole setting is equipped with the sucking disc.
Compared with the prior art, the invention has the beneficial effects that: the environment detection equipment with the rotating mechanism not only improves the detection effect when the environment detection equipment is used, improves the air quality when the environment detection equipment is used, but also improves the stability when the environment detection equipment is used;
(1) the vertical column, the rotary handle, the connecting rod, the spiral roller and the fluted disc are arranged, the rotary handle is rotated to drive the spiral roller to rotate by the connecting rod, the fluted disc is slowly rotated due to the mutual meshing of the spiral roller and the fluted disc, and the vertical column drives the detection table to synchronously rotate, so that the adjustment of the angle of the air inlet is completed, the air in different directions can be conveniently detected, and the detection effect of the environment detection equipment in use is improved;
(2) the vibration amplitude of the connecting frame can be limited due to good elasticity of the composite spring, so that the air in the detection chamber can be filtered by the activated carbon filter screen, and the air quality of the environment detection equipment during use is improved;
(3) through being provided with articulated seat, settling frame, sucking disc, pole setting and trace, through pulling pole setting and trace, make it use articulated seat to rotate to the outside of settling the frame as the center to make pole setting and ground be vertical structure, so that the sucking disc adsorbs fixedly with ground, thereby improved the stability when environment measuring equipment uses.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a cross-sectional structural view of a rotary structure of the present invention;
FIG. 3 is a schematic top view of a gear plate according to the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a schematic side view of the present invention;
FIG. 6 is a schematic cross-sectional view of an enlarged structure of the adsorption structure of the present invention;
FIG. 7 is a schematic diagram of the system framework of the present invention.
In the figure: 1. a base; 2. an annular limiting frame; 3. an air inlet; 4. a detection table; 5. a blower; 6. an exhaust port; 7. a detection chamber; 8. an air intake duct; 9. a power cavity; 10. an environment detector; 11. a limiting rod; 12. a rotating structure; 1201. a column; 1202. turning a handle; 1203. a connecting rod; 1204. a helical roll; 1205. a fluted disc; 13. a control panel; 14. a rotating table; 15. an activated carbon filter screen; 16. a connecting frame; 17. a compound spring; 18. positioning the concave block; 19. a vibrator; 20. an adsorption structure; 2001. a hinged seat; 2002. a mounting frame; 2003. a suction cup; 2004. erecting a rod; 2005. a linkage rod.
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. 1-7, an embodiment of the present invention is shown: an environment detection device with a rotating mechanism comprises a base 1, a detection table 4, an environment detector 10, a control panel 13 and a rotating table 14, wherein the rotating table 14 is fixed at the central position of the top end of the base 1, an annular limiting frame 2 is arranged at the central position of the top end of the rotating table 14, limiting rods 11 are arranged on two sides of the inner part of the annular limiting frame 2, and the top ends of the limiting rods 11 extend to the outer part of the annular limiting frame 2 and are fixedly connected with the bottom end of the detection table 4 so as to limit the rotating track of the detection table 4;
a rotating structure 12 is arranged inside the rotating platform 14, an upright column 1201, a rotating handle 1202, a connecting rod 1203, a spiral roller 1204 and a fluted disc 1205 are sequentially arranged inside the rotating structure 12, the spiral roller 1204 is hinged to the inner wall of one side of the rotating platform 14, the connecting rod 1203 is fixed at one end of the spiral roller 1204, one end, far away from the spiral roller 1204, of the connecting rod 1203 extends to the outside of the rotating platform 14, the rotating handle 1202 is arranged at one end, far away from the spiral roller 1204, of the connecting rod 1203, the fluted disc 1205 is hinged to the inside of the rotating platform 14 at one side of the spiral roller 1204, the upright column 1201 is arranged at the central position of the top end of the fluted disc 1205, and the top end of the upright column;
the connecting rod 1203 drives the spiral roller 1204 to rotate by rotating the rotary handle 1202, the fluted disc 1205 slowly rotates due to the mutual meshing of the spiral roller 1204 and the fluted disc 1205, and the upright column 1201 drives the detection table 4 to synchronously rotate, so that the angle of the air inlet 3 is adjusted, air in different directions can be detected conveniently, and the detection effect is improved;
a detection table 4 is arranged above the rotating table 14, a detection chamber 7 is arranged on one side inside the detection table 4, positioning concave blocks 18 are arranged on two inner side walls of the detection chamber 7, a connecting frame 16 is arranged inside the detection chamber 7 between adjacent positioning concave blocks 18, an activated carbon filter screen 15 is arranged on the inner side of the connecting frame 16, vibrators 19 are arranged on two inner side walls of the detection chamber 7 on one side of the positioning concave blocks 18, the types of the vibrators 19 can be WXZD-41M, the input ends of the vibrators 19 are electrically connected with the output end of a single chip microcomputer inside the control panel 13, one end of each vibrator 19 is fixedly connected with the outer wall of the connecting frame 16, composite springs 17 are arranged on two outer side walls of the connecting frame 16, and one end of each composite spring 17 is fixedly connected with the inner wall of the positioning concave block 18 so as to filter air;
the inner wall of one side of the detection chamber 7 is provided with an air blower 5, the type of the air blower 5 can be BX-472, the interior of the detection table 4 of one side of the detection chamber 7 is provided with a power cavity 9, the central position of the interior of the power cavity 9 is provided with an environment detector 10, the type of the environment detector 10 can be LB-3JA, the outer wall of one side of the environment detector 10 is provided with an air suction pipe 8, one end of the air suction pipe 8 extends into the interior of the detection chamber 7, one side of the top end of the detection table 4 is provided with an air outlet 6, the bottom end of the air outlet 6 extends into the interior of the detection chamber 7, the outer wall of one side of the detection table 4 is provided with an air inlet 3, one end of the air inlet 3 extends into the interior of the detection chamber 7, the central position of the surface of the rotating table 14 is provided with a control panel 13, the type of the air blower control panel 13, two groups of adsorption structures 20 are arranged on the outer walls of the two sides of the rotating platform 14, four adsorption structures 20 are arranged, the four adsorption structures 20 are divided into two groups, and the adjacent adsorption structures 20 are symmetrical about the central line of the rotating platform 14, so that the fixing effect of the equipment is improved;
the inside of the adsorption structure 20 is sequentially provided with a hinged seat 2001, mounting frames 2002, suckers 2003, upright posts 2004 and linkage rods 2005, two groups of mounting frames 2002 are fixed on the outer walls of the two sides of the base 1, the central position of the bottom of the mounting frames 2002 is provided with the hinged seat 2001, the top of the hinged seat 2001 is hinged with the linkage rod 2005, one end of the linkage rod 2005, far away from the hinged seat 2001, is hinged with the upright post 2004, and the top end of the upright post 2004 is provided with the suckers 2003;
through pulling the vertical rod 2004 and the linkage rod 2005, the vertical rod 2004 and the ground are rotated to the outside of the mounting frame 2002 by taking the hinge seat 2001 as a center, and the vertical rod 2004 and the ground are in a vertical structure, so that the suction disc 2003 and the ground are conveniently adsorbed and fixed, and the phenomena of shaking and deviation of the equipment are avoided.
The working principle is as follows: when the environment detecting device is used, firstly, the upright 2004 and the linkage 2005 are pulled to rotate to the outside of the mounting frame 2002 with the hinged seat 2001 as the center, and the upright 2004 and the ground are in a vertical structure, so that the sucking disc 2003 and the ground are adsorbed and fixed, the phenomenon of shaking and deviation of the device is avoided, then the blower 5 is opened through the operation control panel 13, external air is led into the detecting chamber 7 from the air inlet 3 and is exhausted from the air outlet 6, meanwhile, the environment detecting instrument 10 is opened through the operation control panel 13, so that the air is partially absorbed by the air suction pipe 8 for detection, then the vibrator 19 is opened through the operation control panel 13, so that the connecting frame 16 is driven to continuously vibrate in the positioning concave block 18, and the vibration amplitude of the connecting frame 16 can be limited due to the good elasticity of the compound spring 17, so that the air in the detecting chamber 7 can be filtered by the activated carbon filter screen 15, improve current air quality, at last through rotatory swing handle 1202, make it drive spiral roller 1204 by connecting rod 1203 and rotate, because of spiral roller 1204 and fluted disc 1205 intermeshing, make fluted disc 1205 slowly rotate, and drive by stand 1201 and examine test table 4 synchronous revolution, accomplish the regulation of 3 angles of air inlet, so that detect the air in different position, improve its detection effect, gag lever post 11 is at the inside synchronous revolution of annular spacing frame 2 simultaneously, so that carry on spacingly to the rotatory orbit that examines test table 4, thereby accomplish the use of environment measuring equipment.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides an environment detection equipment with rotary mechanism, includes base (1), detects platform (4), environment detection appearance (10), control panel (13) and revolving stage (14), its characterized in that: the detection device is characterized in that a rotary table (14) is fixed at the center of the top end of the base (1), a rotary structure (12) is arranged inside the rotary table (14), a detection table (4) is arranged above the rotary table (14), a detection chamber (7) is arranged at one side inside the detection table (4), an air blower (5) is arranged on the inner wall of one side of the detection chamber (7), a power cavity (9) is arranged inside the detection table (4) at one side of the detection chamber (7), an environment detector (10) is arranged at the center of the inside of the power cavity (9), an air suction pipe (8) is arranged on the outer wall of one side of the environment detector (10), one end of the air suction pipe (8) extends into the detection chamber (7), an exhaust port (6) is arranged at one side of the top end of the detection table (4), the bottom end of the exhaust port (6) extends into the detection chamber (7), and an air inlet (3) is arranged on, one end of the air inlet (3) extends to the inside of the detection chamber (7), a control panel (13) is arranged at the center of the surface of the rotating table (14), the output end of a single chip microcomputer in the control panel (13) is electrically connected with the input ends of the air blower (5) and the environment detector (10) respectively, and two sets of adsorption structures (20) are arranged on the outer walls of the two sides of the rotating table (14).
2. The environment detection apparatus provided with a rotation mechanism according to claim 1, wherein: all be equipped with location concave block (18) on the two inside walls of detection room (7), and detection room (7) between adjacent location concave block (18) is inside to be equipped with linking frame (16) to activated carbon filter screen (15) are installed to the inboard of linking frame (16).
3. The environment detection apparatus provided with a rotation mechanism according to claim 1, wherein: the inside of revolution mechanic (12) is equipped with stand (1201), swing handle (1202), connecting rod (1203), spiral roller (1204) and fluted disc (1205) in proper order, it has spiral roller (1204) to articulate on the inner wall of revolving stage (14) one side, and the one end of spiral roller (1204) is fixed with connecting rod (1203), and the one end that spiral roller (1204) were kept away from in connecting rod (1203) extends to the outside of revolving stage (14) to the one end that spiral roller (1204) were kept away from in connecting rod (1203) is equipped with swing handle (1202).
4. The environment detection apparatus provided with a rotation mechanism according to claim 3, wherein: the inside fluted disc (1205) that articulates of revolving stage (14) of spiral roller (1204) one side, and the central point department on fluted disc (1205) top is equipped with stand (1201), and the top of stand (1201) extends to the outside of revolving stage (14) and with the bottom fixed connection who detects platform (4).
5. The environment detection apparatus provided with a rotation mechanism according to claim 1, wherein: the center position department on revolving stage (14) top is equipped with annular spacing frame (2), and the inside both sides of annular spacing frame (2) all are equipped with gag lever post (11), the top of gag lever post (11) extend to the outside of annular spacing frame (2) and with the bottom fixed connection who examines test table (4).
6. The environment detection apparatus provided with a rotation mechanism according to claim 2, wherein: the detection device is characterized in that vibrators (19) are arranged on two inner side walls of a detection chamber (7) on one side of the positioning concave block (18), one end of each vibrator (19) is fixedly connected with the outer wall of a connecting frame (16), composite springs (17) are arranged on two outer side walls of the connecting frames (16), and one ends of the composite springs (17) are fixedly connected with the inner walls of the positioning concave blocks (18).
7. The environment detection apparatus provided with a rotation mechanism according to claim 1, wherein: the number of the adsorption structures (20) is four, the four adsorption structures (20) are divided into two groups, and the adjacent adsorption structures (20) are symmetrical about the central line of the rotating table (14).
8. The environment detection apparatus provided with a rotation mechanism according to claim 1, wherein: the adsorption structure (20) is internally provided with a hinged seat (2001), a placing frame (2002), a sucking disc (2003), a vertical rod (2004) and a linkage rod (2005) in sequence, two groups of placing frames (2002) are fixed on the outer walls of two sides of the base (1), the hinged seat (2001) is arranged at the center of the bottom of the placing frame (2002), and the linkage rod (2005) is hinged to the top of the hinged seat (2001).
9. The environment detection apparatus provided with a rotation mechanism according to claim 8, wherein: one end, far away from the hinged seat (2001), of the linkage rod (2005) is hinged to a vertical rod (2004), and a sucker (2003) is arranged at the top end of the vertical rod (2004).
CN201910900187.3A 2019-09-23 2019-09-23 Environment detection equipment with rotary mechanism Pending CN110716013A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910900187.3A CN110716013A (en) 2019-09-23 2019-09-23 Environment detection equipment with rotary mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910900187.3A CN110716013A (en) 2019-09-23 2019-09-23 Environment detection equipment with rotary mechanism

Publications (1)

Publication Number Publication Date
CN110716013A true CN110716013A (en) 2020-01-21

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CN201910900187.3A Pending CN110716013A (en) 2019-09-23 2019-09-23 Environment detection equipment with rotary mechanism

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CN (1) CN110716013A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111458460A (en) * 2020-04-20 2020-07-28 湖州锦鸿环保工程有限公司 Touch control environment detection device

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CN204019446U (en) * 2014-07-08 2014-12-17 沁园集团股份有限公司 A kind of fixing tool
CN207591510U (en) * 2017-12-03 2018-07-10 海城诚信有色金属有限公司 A kind of desulfurizing tower operation cleaner
CN108662404A (en) * 2018-05-07 2018-10-16 芜湖博创新能源科技有限公司 A kind of photoelectric display show stand facilitating adjusting
CN208436567U (en) * 2018-06-28 2019-01-29 浙江中智检测技术有限公司 It is a kind of without calibrating bell-type gas on-site detector
CN208442512U (en) * 2018-06-05 2019-01-29 杭州市环境检测科技有限公司 A kind of atmospheric environment detection device mounting bracket
CN110254084A (en) * 2019-07-23 2019-09-20 大连交通大学 A kind of civil engineering Multi-purpose drawing board

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204019446U (en) * 2014-07-08 2014-12-17 沁园集团股份有限公司 A kind of fixing tool
CN207591510U (en) * 2017-12-03 2018-07-10 海城诚信有色金属有限公司 A kind of desulfurizing tower operation cleaner
CN108662404A (en) * 2018-05-07 2018-10-16 芜湖博创新能源科技有限公司 A kind of photoelectric display show stand facilitating adjusting
CN208442512U (en) * 2018-06-05 2019-01-29 杭州市环境检测科技有限公司 A kind of atmospheric environment detection device mounting bracket
CN208436567U (en) * 2018-06-28 2019-01-29 浙江中智检测技术有限公司 It is a kind of without calibrating bell-type gas on-site detector
CN110254084A (en) * 2019-07-23 2019-09-20 大连交通大学 A kind of civil engineering Multi-purpose drawing board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111458460A (en) * 2020-04-20 2020-07-28 湖州锦鸿环保工程有限公司 Touch control environment detection device

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