CN113650934A - Water quality COD online detector and detection method - Google Patents
Water quality COD online detector and detection method Download PDFInfo
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- CN113650934A CN113650934A CN202110881369.8A CN202110881369A CN113650934A CN 113650934 A CN113650934 A CN 113650934A CN 202110881369 A CN202110881369 A CN 202110881369A CN 113650934 A CN113650934 A CN 113650934A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/38—Devices for discharging contents
- B65D25/52—Devices for discharging successive articles or portions of contents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/20—External fittings
- B65D25/24—External fittings for spacing bases of containers from supporting surfaces, e.g. legs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
- B65D81/07—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using resilient suspension means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
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Abstract
The application relates to a water quality COD online detector and a detection method, which belong to the technical field of water quality detection and comprise a detector body, wherein a protection box with an upper opening is sleeved outside the detector body, a plurality of wheels are installed at the bottom end of the detector body, and a plurality of through holes for the wheels to pass through are formed in the lower surface of the protection box; a plurality of groups of lifting assemblies are arranged between the side wall opposite to the detector body and the protection box and are used for driving the protection box to lift on the detector body; when the bottom end of the wheel is lower than the lower surface of the protection box, the detector body is completely positioned in the protection box; when the bottom of the wheel is higher than the lower surface of the protection box, the detector body is positioned above the protection box. This application has the removal efficiency that improves the detector and the effect of stability when using.
Description
Technical Field
The application relates to the technical field of water quality detection, in particular to a water quality COD online detector and a detection method.
Background
Chemical Oxygen Demand (COD) (chemical Oxygen demand) is a chemical method for measuring the amount of reducing substances to be oxidized in a water sample; the water quality COD on-line detector is completely developed and designed according to the national new regulation 'HJ/T399-2007 determination of chemical oxygen demand of water quality rapid digestion spectrophotometry', and is suitable for detecting water quality of surface water, underground water, industrial wastewater, domestic wastewater and the like.
In the related art, the existing water quality COD online detector comprises a detector body.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the detector needs to be moved or carried, the detector is heavy, so that the moving efficiency of the detector is too low; if the wheels are arranged at the bottom of the detector, the detector is supported only by the wheels when in use and is not stable enough.
Disclosure of Invention
In order to improve the moving efficiency of the detector and the stability in use, the application provides a water quality COD online detector and a detection method.
First aspect, the application provides a quality of water COD on-line measuring appearance, adopts following technical scheme:
a water quality COD online detector comprises a detector body, wherein a protection box with an upper opening is sleeved outside the detector body, a plurality of wheels are mounted at the bottom end of the detector body, and a plurality of through holes for the wheels to pass through are formed in the lower surface of the protection box; a plurality of groups of lifting assemblies are arranged between the side wall opposite to the detector body and the protection box and are used for driving the protection box to lift on the detector body; when the bottom end of the wheel is lower than the lower surface of the protection box, the detector body is completely positioned in the protection box; when the bottom of the wheel is higher than the lower surface of the protection box, the detector body is positioned above the protection box.
By adopting the technical scheme, when the detector body needs to be moved, the protection box moves upwards through the lifting assembly, and when the bottom end of the wheel is lower than the lower surface of the protection box, the protection box can be pushed to move the detector body, so that the moving efficiency of the detector body is improved; at the moment, the detector body is completely positioned in the protection box, so that the moving safety of the detector body is improved; after the detector body moves and finishes, the protection box descends through the lifting assembly until the wheels move to the inside of the protection box through the through holes, and the protection box supports the detector body at the moment so that the detector body is more stable during detection.
Optionally, the lifting assembly comprises a motor, a gear and a rack, the rack is vertically fixed on the side wall of the detector body, the motor is horizontally fixed on the inner side wall of the protection box, the gear is coaxially fixed on the motor, and the gear is meshed with the rack.
Through adopting above-mentioned technical scheme, starter motor makes gear revolve, because gear and rack meshing, and the rack is motionless, and then makes the protection box go up and down, has improved the lift efficiency of protection box.
Optionally, the protection box is perpendicular to the gear axis and provided with an opening at one side, a baffle plate for closing the opening at the side is arranged at the opening at the side of the protection box, and a connecting assembly for fixing the baffle plate and the protection box is arranged between the baffle plate and the protection box.
Through adopting above-mentioned technical scheme, open coupling assembling and make the baffle open the back, the detector body can directly shift out along the axis direction of gear in the protection box, has improved the maintenance efficiency of detector body.
Optionally, the inner bottom wall of the protection box is provided with a plurality of positioning grooves, and the bottom end of each rack protrudes out of the lower surface of the detector body; when the bottom end of the wheel is lower than the lower surface of the protection box, the bottom end of the rack is positioned in the positioning groove.
Through adopting above-mentioned technical scheme, when removing protection box and detector body, the bottom of rack is located the constant head tank, has improved the stability of detector body when protection box removes.
Optionally, the side wall of the baffle opposite to the rack adjacent to the baffle and the side wall of the rack far away from the baffle and opposite to the baffle are both provided with accommodating grooves, limiting springs are fixed in the accommodating grooves, limiting blocks are connected in the accommodating grooves in a sliding manner, the limiting blocks are fixed with the limiting springs, limiting grooves are formed in the inner side wall of the baffle and the side wall of the protective box opposite to the baffle, and each limiting groove is used for inserting a different limiting block; the upper surface and the lower surface of the limiting block are arranged in a relatively inclined manner; when the wheel bottom was less than protection box lower surface, the stopper was located holding tank and spacing inslot simultaneously.
By adopting the technical scheme, when the protection box is lifted, the outer end of the limiting block always abuts against the inner side wall of the protection box, when the protection box drives the limiting groove to move to be communicated with the limiting groove, the limiting spring pushes the limiting block into the limiting groove, and the stability of the detector body can be improved when the protection box is pushed; because the upper surface and the lower surface of the limiting block are all obliquely arranged, when the protection box is lifted again, the limiting block can automatically separate from the limiting groove, and the use convenience of the detector body is improved.
Optionally, when the bottom of the wheel is lower than the lower surface of the protection box, a distance is reserved between the lower surface of the detector body and the inner bottom wall of the protection box; a plurality of supporting springs are fixed on the inner bottom wall of the protection box, the top ends of all the supporting springs are fixed with the same dovetail plate, and the length direction of the dovetail plate is parallel to the axis of the gear; the lower surface of the detector body is provided with a dovetail groove with an opening at one end, and the dovetail groove is used for inserting the dovetail plate.
By adopting the technical scheme, when the protection box is lifted, the supporting spring can be initially supported between the protection box and the detector body, and when the gear rolls on the rack, the supporting spring can reduce the interaction force between the gear and the rack caused by the gravity factor of the protection box, so that the lifting stability of the protection box is improved; when the baffle is opened and the detector body is moved out, the dovetail plate slides in the dovetail groove, the moving-out stability of the detector body is improved, and the service life of the rack and the gear is further prolonged.
Optionally, a plurality of vertically arranged telescopic rods are fixed between the inner bottom wall of the protection box and the lower surface of the dovetail plate, and each telescopic rod is respectively located inside different supporting springs.
Through adopting above-mentioned technical scheme, when the protection box goes up and down, the telescopic link stretches out and draws back, has improved the lift stability of protection box to the telescopic link can play the guard action to supporting spring, has reduced supporting spring and has taken place the ascending distortion of non-flexible direction.
Optionally, the connecting assemblies are two groups and are respectively located at the top positions of the two sides of the baffle plate, and the bottom of the baffle plate is rotatably connected with the protection box; the connecting assembly comprises a connecting plate, an inserting plate and a torsional spring, the connecting plate is hinged to the top of the side wall of the baffle plate, the inserting plate is fixed to one end, away from the hinge of the connecting plate, the torsional spring is fixed between the baffle plate and the connecting plate, and a slot for the inserting plate to be inserted into is formed in the outer side wall of the protection box; when the torsion spring is in a natural state, one end of the inserting plate is inserted into the inserting groove.
By adopting the technical scheme, the baffle plate is rotated upwards, the inserting plate is extruded by the protection box, the connecting plate rotates, the torsion spring stretches, when the side opening of the protection box is sealed by the baffle plate, the inserting plate is inserted into the inserting groove, and at the moment, the baffle plate is fixed with the protection box; the connecting plate is rotated outwards to enable the inserting plate to be separated from the inserting slot, the baffle plate can be rotated to open the side opening of the protection box, and the opening and closing efficiency of the baffle plate is improved.
Optionally, the lateral wall that the connecting plate deviates from the protection box all is fixed with the stay cord, and the baffle openly is close to the position at middle part and is fixed with two separation blades, and the one end that the connecting plate was kept away from to the stay cord extends to separation blade department and runs through the separation blade, and the one end that two stay cords are close to each other all is fixed with the pull ring.
Through adopting above-mentioned technical scheme, only need two pull rings of one hand pulling simultaneously, can make two stay cords rotate two connecting plates simultaneously and rotate, two picture pegs break away from the slot simultaneously, have improved the efficiency of opening of baffle.
In a second aspect, the application provides a water quality COD online detection method, which adopts the following technical scheme:
a water quality COD on-line detection method comprises the following steps:
s1, starting a motor to move the protection box upwards, inserting a limiting block into the limiting groove when the bottom end of the wheel is lower than the lower surface of the protection box, and moving the protection box to move the detector body to a detection position;
s2, the motor is started again to enable the protection box to move downwards, the limiting block is separated from the limiting groove until the bottom end of the wheel is higher than the lower surface of the protection box, and the detector body is located above the protection box at the moment, so that water sample detection can be carried out.
By adopting the technical scheme, when the detector body needs to be moved, the plurality of wheels support the detector body so as to improve the moving efficiency of the detector body; after the detector body is moved, the protection box supports the detector body, and the stability of the detector body in use is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the protection boxes are respectively lifted through the lifting assembly, so that the detector body can be supported by a plurality of wheels when the detector body moves, and the protection boxes support the detector body when the detector body detects, so that the moving efficiency and the stability of the detector during use are improved;
2. after the connecting assembly is opened, the detector body can be directly moved out of the protective box along the axis direction of the gear after the baffle is opened, so that the maintenance efficiency of the detector body is improved;
3. only one hand is needed to pull the two pull rings simultaneously, the two pull ropes can rotate the two connecting plates simultaneously, the two inserting plates are separated from the inserting grooves simultaneously, and the opening efficiency of the baffle is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application;
FIG. 3 is a partial cross-sectional view showing the connection assembly;
fig. 4 is a partial sectional view showing a stopper spring.
Description of reference numerals: 1. a detector body; 11. a wheel; 12. a dovetail groove; 2. a protection box; 21. a through hole; 22. positioning a groove; 23. a limiting groove; 24. a slot; 3. a lifting assembly; 31. a motor; 32. a gear; 33. a rack; 331. accommodating grooves; 332. a limiting spring; 333. a limiting block; 4. a baffle plate; 41. pulling a rope; 42. a baffle plate; 43. a pull ring; 5. a connecting assembly; 51. a connecting plate; 52. inserting plates; 53. a torsion spring; 6. a support spring; 61. a dovetail plate; 62. a telescopic rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses quality of water COD on-line measuring appearance.
Referring to fig. 1 and 2, the water quality COD on-line detector comprises a detector body 1, four wheels 11 are fixed on the lower surface of the detector body 1, a protection box 2 with an upper opening is covered on the outer cover of the detector body 1, and four through holes 21 for the wheels 11 to pass through are formed in the lower surface of the protection box 2; a plurality of groups of lifting assemblies 3 are arranged between the opposite side walls of the detector body 1 and the protection box 2, and the lifting assemblies 3 are used for driving the protection box 2 to lift along the vertical direction; when the wheel 11 is positioned below the through hole 21, the detector body 1 is completely positioned in the protection box 2; when the wheel 11 is positioned above the through hole 21, the detector body 1 is positioned above the protection box 2.
When the detector body 1 needs to be moved, the lifting assembly 3 drives the protection box 2 to move upwards, so that the wheels 11 support the detector body 1; after the movement is finished, the lifting component 3 drives the protection box 2 to move downwards, so that the wheels 11 are suspended, the protection box 2 supports the detector body 1, and finally the moving efficiency and the stability in use of the detector body 1 are improved.
Referring to fig. 1 and 2, the lifting assemblies 3 are four in number, and two sets are respectively arranged on the opposite side walls of the detector body 1; the lifting component 3 comprises a motor 31 horizontally fixed on the inner side wall of the protection box 2, a gear 32 coaxially fixed on the motor 31, and a rack 33 vertically fixed on the side wall of the detector body 1 and meshed with the gear 32; a plurality of locating slots 22 for inserting the bottom end of the rack 33 are formed in the lower surface of the protection box 2, and when the wheel 11 is located below the through hole 21, the bottom end of the rack 33 is inserted into the locating slots 22. Starting four motors 31 simultaneously makes four gears 32 rotate synchronously, and then makes protection box 2 go up and down, has improved protection box 2's lift efficiency.
Referring to fig. 1 and 3, the protection box 2 is arranged perpendicular to the front opening of the axis of the gear 32, the bottom of the front opening of the protection box 2 is hinged with a baffle 4 for closing the side opening, and a connecting component 5 for fixing the baffle 4 and the protection box 2 is arranged between the baffle 4 and the protection box 2; the connecting assemblies 5 are arranged in two groups and are respectively positioned at the tops of two sides of the baffle 4. The connecting assembly 5 comprises a connecting plate 51 rotatably connected to the top of the side wall of the baffle 4, an inserting plate 52 fixed at one end of the connecting plate 51 far away from the hinge of the connecting plate, and a torsion spring 53 fixed between the connecting plate 51 and the baffle 4, wherein the inserting plate 52 is arc-shaped, a slot 24 for inserting the inserting plate 52 is formed in the outer side wall of the protection box 2, and when the torsion spring 53 is in a natural state, the inserting plate 52 is inserted into the slot 24.
Referring to fig. 1, the side walls of the two connecting plates 51 that deviate from each other are all fixed with pull ropes 41, the baffle 4 is fixed with two blocking pieces 42 that are just opposite to each other at a position that is close to the middle part in front, one end of the pull ropes 41 that is far away from the connecting plates 51 all runs through the blocking pieces 42 and is located on one side that the two blocking pieces 42 are opposite, one end of the two pull ropes 41 that are close to each other is all fixed with pull rings 43, and the pull ropes 41 are horizontally arranged.
Two pull rings 43 are pulled, two connecting plates 51 are pulled by two pull ropes 41, two inserting plates 52 are separated from the inserting grooves 24 simultaneously, the baffle 4 can be rotated to open the side opening of the protection box 2, the detector body 1 can be pulled out along the axis direction of the gear 32, and the maintenance convenience of the detector body 1 is improved.
Referring to fig. 2, when wheel 11 is located through-hole 21 below, leave the distance between detector body 1 lower surface and the inner bottom wall of protection box 2, inner bottom wall of protection box 2 is fixed with supporting spring 6 of a plurality of vertical settings, all supporting spring 6 tops are fixed with same dovetail board 61, the length direction of dovetail board 61 is on a parallel with the axis of gear 32, inner bottom wall of protection box 2 is fixed with the telescopic link 62 of a plurality of vertical settings, telescopic link 62 is located inside supporting spring 6, and telescopic link 62 top and dovetail board 61 lower fixed surface, dovetail 12 that one end opening set up is seted up to detector body 1 lower surface, dovetail 12 supplies dovetail board 61 to insert.
Supporting spring 6 can support between protection box 2 and the detector body 1, has reduced the interaction force that protection box 2 gravity factor caused between gear 32 and the rack 33, has improved the life of rack 33 and gear 32, and telescopic link 62 can play the guide effect to supporting spring 6, and detector body 1 is when following the roll-off of protection box 2 side opening, and dovetail board 61 slides in dovetail 12, has improved the stability when detector body 1 takes out.
Referring to fig. 4, horizontally arranged accommodating grooves 331 are formed in the side wall of the gear 32 adjacent to the baffle 4, which faces the baffle 4, and the side wall of the rack 33 far away from the baffle 4, which faces away from the baffle 4, respectively, a limiting spring 332 is fixed in the accommodating groove 331, and is horizontally connected with a limiting block 333 in a sliding manner, the outer end of the limiting spring 332 is fixed to the inner end of the limiting block 333, and limiting grooves 23 communicated with different accommodating grooves 331 are formed in the inner side wall of the baffle 4 and the inner side wall of the protection box 2, which faces the baffle 4; when the wheel 11 is positioned below the through hole 21, the limiting spring 332 is in a natural state, and the limiting block 333 is positioned in the accommodating groove 331 and the limiting groove 23 at the same time; the upper surface and the lower surface of the limiting block 333 positioned in the limiting groove 23 are both inclined relatively.
The protection box 2 moves up, so that when the accommodating groove 331 is communicated with the limiting groove 23, the limiting block 333 is inserted into the limiting groove 23, and at the moment, when the detector body 1 and the protection box 2 move, the movement stability of the detector body 1 and the protection box 2 can be improved.
The implementation principle of the water quality COD online detector in the embodiment of the application is as follows: when the detector body 1 needs to be moved, the four motors 31 are started simultaneously to enable the four gears 32 to rotate synchronously, so that the protection box 2 moves upwards, and the wheels 11 support the detector body 1; after the movement is finished, the four motors 31 are started simultaneously to enable the four gears 32 to synchronously rotate, so that the protection box 2 moves down, the wheels 11 are suspended, the protection box 2 supports the detector body 1, and finally the movement efficiency and the stability of the detector during use are improved.
The embodiment of the application also discloses a water quality COD online detection method.
A water quality COD on-line detection method comprises the following steps:
s1, starting the motor 31 to move the protection box 2 upwards, inserting the limiting block 333 into the limiting groove 23 when the bottom ends of the wheels 11 are lower than the lower surface of the protection box 2, supporting the detector body 1 by the wheels 11, and moving the protection box 2 to move the detector body 1 to the detection position;
s2, the motor 31 is started again to enable the protection box 2 to move downwards, the limiting block 333 is separated from the limiting groove 23 until the bottom end of the wheel 11 is higher than the lower surface of the protection box 2, the protection box 2 supports the detector body 1 at the moment, the detector body 1 is located above the protection box 2, and water sample detection can be conducted.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a quality of water COD on-line measuring appearance, includes detector body (1), its characterized in that: the detector body (1) is sleeved outside the protection box (2) with the upper opening, a plurality of wheels (11) are mounted at the bottom end of the detector body (1), and a plurality of through holes (21) for the wheels (11) to pass through are formed in the lower surface of the protection box (2); a plurality of groups of lifting assemblies (3) are arranged between the opposite side walls of the detector body (1) and the protection box (2), and the lifting assemblies (3) are used for driving the protection box (2) to lift on the detector body (1); when the bottom end of the wheel (11) is lower than the lower surface of the protection box (2), the detector body (1) is completely positioned in the protection box (2); when the bottom end of the wheel (11) is higher than the lower surface of the protection box (2), the detector body (1) is positioned above the protection box (2).
2. The water quality COD online detector according to claim 1, is characterized in that: lifting unit (3) include motor (31), gear (32) and rack (33), and rack (33) are vertical to be fixed on detector body (1) lateral wall, and motor (31) level is fixed on protection box (2) inside wall, and gear (32) coaxial fixation is on motor (31), and gear (32) and rack (33) meshing.
3. The water quality COD online detector according to claim 2, is characterized in that: protection box (2) perpendicular to gear (32) axis's one side opening sets up, and the side opening part of protection box (2) is equipped with side opening confined baffle (4), is equipped with between baffle (4) and protection box (2) with both fixed coupling assembling (5).
4. The water quality COD online detector according to claim 2, is characterized in that: a plurality of positioning grooves (22) are formed in the inner bottom wall of the protection box (2), and the bottom end of each rack (33) protrudes out of the lower surface of the detector body (1); when the bottom end of the wheel (11) is lower than the lower surface of the protection box (2), the bottom end of the rack (33) is positioned in the positioning groove (22).
5. A water quality COD on-line detector according to claim 3, characterized in that: the side wall of the baffle plate (4) is just opposite to the rack (33) adjacent to the baffle plate (4), accommodating grooves (331) are formed in the side wall of the baffle plate (4) far away from the rack (33) and far away from the baffle plate (4), limiting springs (332) are fixed in the accommodating grooves (331), limiting blocks (333) are connected in the accommodating grooves (331) in a sliding mode, the limiting blocks (333) are fixed with the limiting springs (332), limiting grooves (23) are formed in the inner side wall of the baffle plate (4) and the side wall of the protection box (2) just opposite to the baffle plate (4), and each limiting groove (23) is used for inserting different limiting blocks (333); the upper surface and the lower surface of the limiting block (333) are arranged in a relatively inclined manner; when the bottom end of the wheel (11) is lower than the lower surface of the protection box (2), the limiting block (333) is positioned in the accommodating groove (331) and the limiting groove (23) at the same time.
6. A water quality COD on-line detector according to claim 3, characterized in that: when the bottom of the wheel (11) is lower than the lower surface of the protection box (2), a distance is reserved between the lower surface of the detector body (1) and the inner bottom wall of the protection box (2); a plurality of supporting springs (6) are fixed on the inner bottom wall of the protection box (2), the top ends of all the supporting springs (6) are fixed with the same dovetail plate (61), and the length direction of the dovetail plate (61) is parallel to the axis of the gear (32); the lower surface of the detector body (1) is provided with a dovetail groove (12) with an opening at one end, and the dovetail groove (12) is used for inserting a dovetail plate (61).
7. The water quality COD online detector according to claim 6, is characterized in that: a plurality of vertically arranged telescopic rods (62) are fixed between the inner bottom wall of the protection box (2) and the lower surface of the dovetail plate (61), and each telescopic rod (62) is located inside a different supporting spring (6) respectively.
8. A water quality COD on-line detector according to claim 3, characterized in that: the two groups of connecting assemblies (5) are respectively positioned at the top parts of the two sides of the baffle (4), and the bottom of the baffle (4) is rotatably connected with the protection box (2); the connecting assembly (5) comprises a connecting plate (51), an inserting plate (52) and a torsion spring (53), the connecting plate (51) is hinged to the top of the side wall of the baffle plate (4), the inserting plate (52) is fixed to one end, far away from the hinge of the connecting plate (51), the torsion spring (53) is fixed between the baffle plate (4) and the connecting plate (51), and a slot (24) for the inserting plate (52) to be inserted is formed in the outer side wall of the protection box (2); when the torsion spring (53) is in a natural state, one end of the inserting plate (52) is inserted into the inserting groove (24).
9. The water quality COD online detector according to claim 8, is characterized in that: the lateral wall that connecting plate (51) deviates from protection box (2) all is fixed with stay cord (41), and baffle (4) openly are close to the position at middle part and are fixed with two separation blades (42), and the one end that connecting plate (51) were kept away from in stay cord (41) extends to separation blade (42) department and runs through separation blade (42), and the one end that two stay cords (41) are close to each other all is fixed with pull ring (43).
10. A water quality COD on-line detection method is characterized in that: the method comprises the following steps:
s1, starting a motor (31) to enable the protection box (2) to move upwards, inserting a limiting block (333) into a limiting groove (23) when the bottom end of a wheel (11) is lower than the lower surface of the protection box (2), and moving the protection box (2) to move the detector body (1) to a detection position;
s2, the motor (31) is restarted to enable the protection box (2) to move downwards, the limiting block (333) is separated from the limiting groove (23) until the bottom end of the wheel (11) is higher than the lower surface of the protection box (2), and the detector body (1) is located above the protection box (2) at the moment, so that water sample detection can be carried out.
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Application publication date: 20211116 |