CN109186687B - Salt pond concentration and liquid level detection device suit - Google Patents
Salt pond concentration and liquid level detection device suit Download PDFInfo
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- CN109186687B CN109186687B CN201811273987.9A CN201811273987A CN109186687B CN 109186687 B CN109186687 B CN 109186687B CN 201811273987 A CN201811273987 A CN 201811273987A CN 109186687 B CN109186687 B CN 109186687B
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- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 150000003839 salts Chemical class 0.000 title claims abstract description 36
- 238000003379 elimination reaction Methods 0.000 claims abstract description 82
- 230000008030 elimination Effects 0.000 claims abstract description 81
- 238000006073 displacement reaction Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000011010 flushing procedure Methods 0.000 claims description 28
- 238000004140 cleaning Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 235000002639 sodium chloride Nutrition 0.000 description 28
- 230000035939 shock Effects 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000013535 sea water Substances 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Abstract
The invention relates to the field of salt pond detection equipment, and provides a salt pond concentration and liquid level detection device set, which comprises: the concentration detection device and the liquid level detection device comprise a measuring cylinder and a laser displacement sensor, and a hydrometer is arranged in the measuring cylinder; laser displacement sensor sets up in the top of graduated flask, laser displacement sensor's laser emission direction is the same with the length direction of hydrometer, and laser emission direction is towards the top of hydrometer, liquid level detection device, including the wave elimination pipe, cursory and laser rangefinder sensor, the wave elimination pipe includes interior wave elimination pipe and outer wave elimination pipe, one of them of interior wave elimination pipe and outer wave elimination pipe sets up a plurality of horizontal wave elimination holes, another wave elimination pipe that does not set up horizontal wave elimination hole sets up a plurality of vertical wave elimination holes, laser rangefinder sensor sets up on the top of wave elimination pipe and laser emission direction inside towards the interior wave elimination pipe and parallel with the length direction of interior wave elimination pipe, the cursory is located interior wave elimination pipe. The device suit can accurate measurement salt pond's concentration and liquid level.
Description
Technical Field
The invention relates to the field of salt pond detection equipment, in particular to a salt pond concentration and liquid level detection device set.
Background
With the development of economy and the progress of society, the improvement of the product quality and the saving of the production cost become inevitable trends and social consensus. The salt production by seawater in China has a long history and rich resources, and after a new China is established, the sea salt production in China is greatly developed, but the artificial measurement is still taken as a main point, and the sea salt production in China at present belongs to extensive production: manual measurement, manual data transmission and manual water running.
The salt ponds in China are large in quantity and large in area, most sea salt production enterprises occupy more than one hundred square kilometers of land area, and the cost, the error and the efficiency are high due to manual detection and data operation of the concentration and the liquid level of different salt ponds.
In view of this, the present application is specifically made.
Disclosure of Invention
The invention provides a device set for detecting the concentration and the liquid level of a salt pond, and aims to improve the detection precision of the concentration and the liquid level of the salt pond.
The invention is realized by the following steps:
a salt pond concentration and liquid level detection device kit, comprising: concentration detection device and liquid level detection device, liquid level detection device are located concentration detection device's below.
The concentration detection device comprises a concentration detection mechanism and a cleaning mechanism, the concentration detection mechanism comprises a measuring cylinder and a laser displacement sensor, a hydrometer is arranged in the measuring cylinder, and a hydrometer positioning piece for positioning the hydrometer is arranged on the measuring cylinder; the laser displacement sensor is arranged above the measuring cylinder, the laser emission direction of the laser displacement sensor is the same as the length direction of the hydrometer, and the laser emission direction faces the top end of the hydrometer; the cleaning mechanism comprises a flushing pipe for flushing water to the top end of the measuring cylinder and a drain pipe communicated with the bottom of the measuring cylinder, a drain valve is arranged on the drain pipe, one end of the drain pipe is communicated with the measuring cylinder, the flushing end of the flushing pipe faces to the top end opening of the measuring cylinder, and a water pump is arranged on the flushing pipe.
Liquid level detection device, including the shock tube, cursory and laser rangefinder sensor, the shock tube includes interior shock tube and outer shock tube, one of them of interior shock tube and outer shock tube is provided with a plurality of horizontal shock tube holes that run through the pipe wall, another shock tube that does not set up horizontal shock tube hole is provided with a plurality of vertical shock tube holes that run through the pipe wall, laser rangefinder sensor sets up in the top of shock tube, laser emission direction is inside towards interior shock tube and parallel with the length direction of interior shock tube, the cursory is located interior shock tube, the one end that the graduated flask was kept away from to the drain pipe communicates with interior shock tube, the one end that the graduated flask top was kept away from to the wash pipe is close to outer shock tube.
Further, in a preferred embodiment of the present invention, the concentration detection device further comprises an overflow-preventing mechanism, the overflow-preventing mechanism comprises an overflow box and an overflow water drain pipe communicated with the bottom of the overflow box, the bottom of the overflow box is provided with a mounting hole, and the top of the measuring cylinder passes through the mounting hole and is communicated with the overflow box.
Further, in a preferred embodiment of the present invention, the bottom surface of the overflow box is inclined with respect to the horizontal plane, the bottom surface of the overflow box is provided with an overflow water through hole, the overflow water drain pipe is communicated with the overflow box through the overflow water through hole, and the mounting hole is higher than the overflow water through hole.
Further, in the preferred embodiment of the invention, a hydrometer anti-falling tray for supporting the hydrometer is arranged in the measuring cylinder.
Further, in a preferred embodiment of the present invention, the concentration detecting apparatus further includes a base, a first connecting arm and a second connecting arm, one end of the first connecting arm is connected to the base, the other end of the first connecting arm extends in a direction away from the base and is connected to the second connecting arm, a side wall of the measuring cylinder is connected to the first connecting arm, a length direction of the measuring cylinder is perpendicular to a bottom surface of the base, and the laser displacement sensor is disposed on the second connecting arm.
Further, in a preferred embodiment of the present invention, the first connecting arm is perpendicular to the bottom surface of the base, the first connecting arm is connected to the measuring cylinder through the measuring cylinder support mounting plate and the measuring cylinder support, the measuring cylinder support is connected to the measuring cylinder, the measuring cylinder support is simultaneously connected to the measuring cylinder support mounting plate, the measuring cylinder support mounting plate is connected to the first connecting arm, and the length direction of the measuring cylinder support mounting plate is parallel to the length direction of the first connecting arm.
Further, in a preferred embodiment of the present invention, the second connecting arm is parallel to the bottom surface of the base, the laser displacement sensor is disposed on the upper surface of the second connecting arm and connected to the second connecting arm through the sensor bracket, the second connecting arm is provided with a laser passing hole, and the laser emitting end of the laser displacement sensor faces the laser passing hole.
Further, in a preferred embodiment of the present invention, the salt pond concentration and liquid level detection device set further comprises a frame, the upper end of the frame is provided with a placing plate connected with the base, the base is arranged on the placing plate, the base is provided with a first through hole, the placing plate is provided with a second through hole communicated with the first through hole, and the drain pipe and the flush pipe both pass through the first through hole and the second through hole simultaneously.
Further, in a preferred embodiment of the present invention, the liquid level detecting device further includes an annular top cover and an annular bottom cover respectively covering opposite ends of the wave absorbing tube, the annular top cover has a working hole in the middle, the laser ranging sensor is disposed on the annular top cover, and the laser emitting direction of the laser ranging sensor faces the working hole.
Further, in the preferred embodiment of the present invention, an intermediate cavity is provided between the inner wave elimination tube and the outer wave elimination tube, and the annular top cover is provided with at least one vent hole which is communicated with the intermediate cavity.
The invention has the beneficial effects that: the salt pond concentration and liquid level detection device set obtained through the design is used, and the salt pond concentration and liquid level detection device set comprises the concentration detection device and the liquid level detection device, the concentration detection device is used for cleaning the measuring cylinder through the cleaning mechanism before the concentration is detected, so that influence of crystals or solid impurities in the measuring cylinder on the liquid concentration is avoided, the liquid concentration is calculated by measuring the floating height of the hydrometer in the measuring cylinder through the laser displacement sensor, and compared with a common hydrometer, the liquid concentration calculation is more accurate and has higher precision through observing the floating height of the hydrometer through naked eyes. The specific structural arrangement of the inner wave elimination tube and the outer wave elimination tube of the liquid level detection device can ensure that the liquid level of the inner wave elimination tube is free from ripples, and the buoy is in or basically in a static state in the inner wave elimination tube, so that the measured data of the position of the buoy can be more accurate; and the liquid level detection device adopts the laser ranging sensor to determine the position of the float, so that the determined liquid level is more accurate. Therefore, the salt pond concentration and liquid level detection device suit can accurately measure the concentration and the liquid level of a certain position of the salt pond through the matching arrangement of the concentration detection device and the liquid level detection device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a salt pond concentration and liquid level detection device set provided by an embodiment of the invention;
FIG. 2 is a schematic view of the concentration detecting device of FIG. 1 at a first viewing angle;
FIG. 3 is a schematic view of the concentration detecting device in FIG. 1 at a second viewing angle;
FIG. 4 is a schematic view of the concentration detecting apparatus of FIG. 1 shown in a third view when the frame is not provided;
FIG. 5 is a schematic view of the concentration detecting device shown in FIG. 1, which is partially cut away when no frame is provided;
FIG. 6 is a schematic view of the overflow prevention mechanism, the cleaning mechanism and the measuring cylinder bottom cover of FIG. 4, which are partially broken away;
FIG. 7 is a schematic view of the liquid level detection unit of FIG. 1;
FIG. 8 is a cross-sectional view taken at A-A of FIG. 7;
FIG. 9 is a schematic view of the ring top of FIG. 8;
fig. 10 is a structural schematic view of the annular bottom cover in fig. 8.
Icon: 500-the salt pond concentration and liquid level detection device is set; 10-a concentration detection device; 100-liquid concentration detection mechanism; 110-a measuring cylinder; 111-hydrometer locating element; 112-a falling-proof tray of the hydrometer; 113-hydrometer carrier link; 114-measuring cylinder bottom cover; 115-measuring cylinder body; 120-hydrometer; 130-laser displacement sensor; 140-a base; 141-first passing holes; 150-a first connecting arm; 151-measuring cylinder support mounting plate; 152-graduated cylinder support; 160-a second connecting arm; 161-laser through hole; 162-a sensor holder; 1-laser light path; 200-a cleaning mechanism; 210-a drain pipe; 211-a drain valve; 212-a tee; 220-a flush pipe; 221-a water pump; 230-an anti-overflow mechanism; 231-an overflow box; 232-overflow water drain pipe; 233-mounting holes; 234-overflow water through holes; 11-a frame; 12-a second through hole; 13-placing a plate; 300-liquid level detection means; 310-a wave elimination tube; 311-ring-shaped top cover; 312-annular bottom cover; 313-working hole; 314-water inlet hole; 315-a vent; 316-first embedded ring; 317-a second embedded ring; 318-intermediate chamber; 320-an internal evanescent tube; 321-transverse wave elimination holes; 330-outer wave elimination tube; 331-longitudinal wave-elimination holes; 340-laser ranging sensor; 341-sensor holder; 350-floating.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, an embodiment of the present invention provides a salt pond concentration and liquid level detection apparatus set 500, which includes: concentration detection device 10 and liquid level detection device 300, liquid level detection device 300 is located the below of concentration detection device 10.
Specifically, as shown in fig. 2 and 3, the concentration detection apparatus 10 includes a liquid concentration detection mechanism 100 and a cleaning mechanism 200. Referring to fig. 4 and 5, the liquid concentration detecting mechanism 100 includes a measuring cylinder 110 and a laser displacement sensor 130, a specific gravity meter 120 is disposed in the measuring cylinder 110, and the measuring cylinder 110 is further provided with a specific gravity meter positioning member 111 for positioning the specific gravity meter 120, specifically, the specific gravity meter positioning member 111 is disposed at a top opening of the measuring cylinder 110. The laser displacement sensor 130 is disposed above the measuring cylinder 110, and the laser emission direction of the laser displacement sensor 130 is the same as the longitudinal direction of the hydrometer 120, and the laser emission direction faces the top end of the hydrometer 120. That is, the laser light path 1 formed by the laser light emitted from the laser displacement sensor 130 is aligned with the hydrometer 120.
As shown in fig. 5 and 6, the washing mechanism 200 includes a flush pipe 220 and a drain pipe 210 communicating with the bottom of the measuring cylinder 110, and the drain pipe 210 is provided with a drain valve 211. One end of the water discharge pipe 210 is communicated with the measuring cylinder 110, a flushing end of the flushing pipe 220 faces to the top opening of the measuring cylinder 110, and a water pump 221 is arranged on the flushing pipe 220.
As shown in FIGS. 7 and 8, the liquid level detection device 300 includes a wave elimination tube 310, a float 350, and a laser ranging sensor 340. The wave elimination tube 310 comprises an inner wave elimination tube 320 and an outer wave elimination tube 330, the inner wave elimination tube 320 penetrates through a plurality of transverse wave elimination holes 321 of the tube wall, the outer wave elimination tube 330 is provided with a plurality of longitudinal wave elimination holes 331 penetrating through the tube wall, the laser ranging sensor 340 is arranged at the top end of the wave elimination tube 310, the laser emission direction faces the inside of the inner wave elimination tube 320 and is parallel to the length direction of the inner wave elimination tube 320, and the buoy 350 is located in the inner wave elimination tube 320. The end of the water discharge pipe 210 far away from the measuring cylinder 110 is communicated with the inner shock tube 320, and the end of the flushing pipe 220 far away from the measuring cylinder is close to the outer shock tube 330.
When the device is used, the liquid level detection device 300 is placed in a salt pond, and the concentration detection device 10 is arranged at a shoreside flat position. The water pump 221 is electrified, seawater near the outer shock tube 330 is pumped into the measuring cylinder 110 through the flushing pipe 220, the drainage valve 211 is closed after the inner wall of the measuring cylinder 110 is flushed for a period of time, the water pump 221 is closed after the measuring cylinder 110 is filled with water, the distance from the laser displacement sensor 130 to the top end of the hydrometer 120 is measured through the laser displacement sensor 130, the floating height of the hydrometer 120 in the measuring cylinder 110 is measured, and the concentration of the measured liquid is calculated. After the measurement, the saline is discharged to the inner filtering tube 320 through the water discharge pipe 210.
After the water pump 221 stops pumping water or the water discharge pipe 210 is stationary after discharging the seawater in the measuring cylinder 110 for a period of time, when the liquid level is relatively calm, the liquid level detection device 300 eliminates wave interference of the liquid level under the action of the transverse wave elimination hole 321 arranged in the inner wave elimination tube 320 and the longitudinal wave elimination hole 331 arranged in the outer wave elimination tube 330, so that the liquid level in the inner wave elimination tube 320 is ripple-free, the float 350 floats up to the liquid level under the action of the liquid buoyancy, the laser ranging sensor 340 emits laser into the inner wave elimination tube 320, and the laser reaches the float 350 and then is emitted back to the laser ranging sensor 340, so that the distance from the float 350 to the laser ranging sensor 340 can be measured, and the liquid level height can be calculated.
According to the design, the measuring cylinder is cleaned by the cleaning mechanism 200 before concentration is detected, so that influence of crystallization or solid impurities in the measuring cylinder on the concentration of the liquid is avoided, the liquid concentration is calculated by measuring the floating height of the hydrometer 120 in the measuring cylinder 110 through the laser displacement sensor 130, and compared with the common hydrometer 120, the liquid concentration calculation is more accurate and higher in precision through observing the floating height of the hydrometer through naked eyes. The specific structural arrangement of the inner wave elimination tube 320 and the outer wave elimination tube 330 can ensure that the liquid level of the inner wave elimination tube 320 has no ripples, and the buoy 350 can be in or basically in a static state in the inner wave elimination tube 320, so that the measured data of the position of the buoy 350 can be more accurate; the laser ranging sensor 340 is used for measuring the position of the float 350, so that the measured liquid level is more accurate. Therefore, the concentration detection device 10 and the liquid level detection device 300 are cooperatively arranged, so that the salt pond concentration and liquid level detection device set 500 can accurately measure the concentration and the liquid level of a certain position of the salt pond.
It should be noted that, in other embodiments of the present invention, the transverse wave-absorbing hole may also be disposed in the outer wave-absorbing tube, and the longitudinal wave-absorbing hole may be disposed in the inner wave-absorbing tube, and this arrangement can also achieve the same wave-absorbing effect.
Preferably, as shown in fig. 5, the drain valve 211 provided on the drain pipe 210 is an electromagnetic valve. When the drain valve 211 is the solenoid valve, it can be opened and closed through long-range automatically controlled, and the water pump 2211 also can set up to open and close through long-range automatically controlled, settles liquid concentration detection device 10 in the salt pond limit of the concentration of awaiting measuring, especially when on the sea, can accomplish full automatic control with the measurement of sea water concentration, can avoid artifical manual operation, and it is more convenient to use.
Preferably, as shown in fig. 5, the measuring cylinder 110 comprises a measuring cylinder body 115 and a measuring cylinder bottom cover 114, wherein the bottom end of the measuring cylinder body 115 is open, the measuring cylinder bottom cover 114 is detachably covered on the bottom end of the measuring cylinder body 115, and the measuring cylinder bottom cover 114 is communicated with the drain pipe 210. The measuring cylinder 110 is arranged in such a way that the whole device can be conveniently assembled and disassembled.
Further, as shown in fig. 4 and 5, a hydrometer fall-preventing tray 112 supporting the hydrometer 120 is provided in the measuring cylinder 110. When the liquid concentration measurement is completed, the liquid is discharged, and in the case of sudden discharge of the liquid, the buoyancy applied to the hydrometer 120 disappears, and at this time, the hydrometer 120 falls down under the action of gravity to collide with the bottom wall of the measuring cylinder 110, which may cause damage to the hydrometer. The occurrence of the above situation can be well avoided by arranging the hydrometer anti-falling tray 112.
Specifically, the hydrometer anti-falling tray 112 is connected with the hydrometer positioning piece 111 through a hydrometer bracket connecting rod 113. The arrangement enables the mechanism for supporting and fixing the hydrometer 120 to be combined into a whole, when the hydrometer positioning piece 111 is detachably arranged at the top end of the measuring cylinder 110, the hydrometer anti-falling tray 112 can also be detachably arranged together, and the installation and the detachment of the hydrometer are further convenient.
Further, the liquid concentration detection mechanism 100 further includes a base 140, a first connecting arm 150 and a second connecting arm 160, one end of the first connecting arm 150 is connected to the base 140, the other end of the first connecting arm 150 extends in a direction away from the base 140 and is connected to the second connecting arm 160, a side wall of the measuring cylinder 110 is connected to the first connecting arm 150, a length direction of the measuring cylinder 110 is perpendicular to a bottom surface of the base 140, and the laser displacement sensor 130 is disposed on the second connecting arm 160.
The base 140, the first connecting arm 150 and the second connecting arm 160 are arranged to enable the measuring cylinder 110 to be stably arranged in the whole device, especially, the length direction of the measuring cylinder 110 is perpendicular to the bottom surface of the base 140, so that the measuring cylinder 110 is perpendicular to the horizontal plane when the liquid concentration detection mechanism 100 is placed on any plane, and thus, the normal operation of the liquid concentration detection mechanism 100 can be ensured.
Specifically, the first connecting arm 150 is perpendicular to the bottom surface of the base 140 for manufacturing and installation convenience. More specifically, the first connecting arm 150 is connected to the measuring cylinder 110 through a measuring cylinder holder mounting plate 151 and a measuring cylinder holder 152, the measuring cylinder holder 152 is connected to the measuring cylinder 110, the measuring cylinder holder 152 is simultaneously connected to the measuring cylinder holder mounting plate 151, the measuring cylinder holder mounting plate 151 is connected to the first connecting arm 150, and the length direction of the measuring cylinder holder mounting plate 151 is parallel to the length direction of the first connecting arm 150.
Further, for manufacturing and installation convenience, the second connecting arm 160 is parallel to the bottom surface of the base 140. Specifically, the laser displacement sensor 130 is disposed on the upper surface of the second connecting arm 160, and is connected to the second connecting arm 160 through a sensor bracket 162, the second connecting arm 160 has a laser passing hole 161, and the laser emitting end of the laser displacement sensor 130 faces the laser passing hole 161.
Further, as shown in fig. 5 and 6, the concentration detecting device 10 further includes an overflow preventing mechanism 230, the overflow preventing mechanism 230 includes an overflow box 231 and an overflow water drain pipe 232 communicating with the bottom of the overflow box 231, the bottom of the overflow box 231 is provided with a mounting hole 233, and the top of the measuring cylinder 110 communicates with the overflow box 231 through the mounting hole 233. Preferably, the overflow water drain pipe 232 communicates with the drain pipe 210, and in order to facilitate the communication between the overflow water drain pipe 232 and the drain pipe 210, the overflow water drain pipe 232 and the drain pipe 210 communicate with each other through a tee 212.
The overflow box 231 can prevent the liquid from overflowing the measuring cylinder 110 and scattering on the operation table when the liquid is poured into the measuring cylinder 110 in a too large amount. After the overflow box 231 is provided, the excessive seawater overflowing from the measuring cylinder 110 can enter the overflow box 231 and be discharged through the overflow water discharge pipe 232.
Specifically, the flush end of the flush tube 220 passes through the sidewall of the overflow box 231 toward the mounting hole 233. When the flushing end of the flushing pipe 220 passes through the side wall of the overflow box 231, the side wall can fix the flushing end of the flushing pipe 220, and because the water pumped into the flushing pipe 220 by the water pump 221 has a certain pressure, if the flushing end of the flushing pipe 220 is not fixed, the flushing direction of the flushing end of the flushing pipe 220 may be deviated, and further, the seawater for flushing the measuring cylinder 110 is splashed everywhere.
Further, the bottom surface of overflow box 231 is for the horizontal plane slope, and overflow water through-hole 234 has been seted up to the bottom surface of overflow box 231, and overflow water drain pipe 232 passes through overflow water through-hole 234 and overflow box 231 intercommunication, and mounting hole 233 is higher than overflow water through-hole 234.
The particular arrangement of the overflow box 231 bottom surface and the overflow water through hole 234 enables the water overflowing from the measuring cylinder 110 to be more sufficiently drained into the overflow water drain pipe 232 under the action of gravity.
Further, as shown in fig. 2 and 3, the concentration detecting apparatus 10 further includes a frame 11, a placing plate 13 connected to the base 140 is provided at an upper end of the frame 11, the base 140 is provided on the placing plate 13, the base 140 is provided with a first through hole 141, the placing plate 13 is provided with a second through hole 12 communicating with the first through hole 141, and both the drain pipe 210 and the flush pipe 220 pass through the first through hole 141 and the second through hole 12 simultaneously. The installation of the frame 11 facilitates the installation of the concentration detection device 10 on the shore when the concentration detection device 10 is used to detect the concentration of seawater on the spot.
Further, as shown in fig. 7 to 10, the liquid level detection apparatus 300 further includes an annular top cover 311 and an annular bottom cover 312 respectively covering opposite ends of the wave elimination tube 310. The annular top cover 311 is provided with a working hole 313 in the middle, the laser ranging sensor 340 is arranged on the annular top cover 311, and the laser emitting direction of the laser ranging sensor 340 faces the working hole 313.
When the liquid level detection device 300 is installed, when liquid enters the inner wave elimination tube 320 from the transverse wave elimination hole 321 and the longitudinal wave elimination hole 331, air in the inner wave elimination tube 320 needs to be extruded and discharged out of the inner wave elimination tube 320, if the top of the inner wave elimination tube 320 is not provided with an opening, the air in the inner wave elimination tube is difficult to discharge, the pressure in the inner wave elimination tube 320 is high, the liquid level is inconsistent with the outside, the measurement result is inaccurate, and the arranged working hole 313 can discharge the redundant air extruded in the inner wave elimination tube 320 when the liquid level detection device 300 is installed, so that the accuracy of the measurement result is guaranteed. And the inner wave elimination tube 320 is connected with the outer wave elimination tube 330 through the annular top cover 311 and the annular bottom cover 312, the connection mode is simple, and the whole device is convenient to mount and dismount.
The middle part of annular bottom cap 312 is inlet opening 314, and the setting of inlet opening 314 on the annular bottom cap 312, when the liquid level detection device 300 of being convenient for was installed, liquid except that getting into interior shock tube 320 from horizontal shock wave hole 321 and vertical shock wave hole 331, can also get into interior shock tube 320 fast from inlet opening 314.
Specifically, the ring-shaped cap 311 has a first insert ring 316 on a side facing the wave tube 310, and the first insert ring 316 is inserted between the inner wave tube 320 and the outer wave tube 330. The annular bottom cap 312 is provided with a second insert ring 317 on the side facing the wave tube 310, and the second insert ring 317 is inserted between the inner wave tube 320 and the outer wave tube 330.
The annular top cover 311 has a specific structural design of the first embedded ring 316, so that the annular top cover 311 is convenient to mount and dismount. The annular bottom cover 312 has a specific structural design of the second insert ring 317, so that the annular bottom cover 312 is convenient to mount and dismount.
Specifically, to make the mounting and dismounting more convenient, the laser ranging sensor 340 is disposed on the ring-shaped top cover 311 through the sensor holder 341. The sensor holder 341 has an "L" shape.
Further, an intermediate cavity 318 is provided between the inner wave elimination tube 320 and the outer wave elimination tube 330, and the ring-shaped top cover 311 is provided with a plurality of vent holes 315, each vent hole 315 being in communication with the intermediate cavity 318.
The provision of the vent 315 facilitates venting of gas that is trapped within the intermediate chamber 318 when the fluid level detection apparatus 300 is installed, allowing for more accurate fluid level measurements.
It should be noted that, in the gas embodiment of the present invention, the number of the vent holes 315 may be one, which can achieve the same venting effect.
In summary, the salt pond concentration and liquid level detection device set provided by the invention comprises the concentration detection device and the liquid level detection device, the concentration detection device firstly cleans the measuring cylinder through the cleaning mechanism before detecting the concentration, so that the influence of crystals or solid impurities in the measuring cylinder on the liquid concentration is avoided, the liquid concentration is calculated by measuring the floating height of the hydrometer in the measuring cylinder through the laser displacement sensor, and compared with a common hydrometer, the liquid concentration is calculated more accurately and more precisely by observing the floating height of the hydrometer through naked eyes. The specific structural arrangement of the inner wave elimination tube and the outer wave elimination tube of the liquid level detection device can ensure that the liquid level of the inner wave elimination tube is free from ripples, and the buoy is in or basically in a static state in the inner wave elimination tube, so that the measured data of the position of the buoy can be more accurate; and the liquid level detection device adopts the laser ranging sensor to determine the position of the float, so that the determined liquid level is more accurate. Therefore, the salt pond concentration and liquid level detection device suit can accurately measure the concentration and the liquid level of a certain position of the salt pond through the matching arrangement of the concentration detection device and the liquid level detection device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a salt pond concentration and liquid level detection device suit which characterized in that includes: a concentration detection device and a liquid level detection device, wherein the liquid level detection device is positioned below the concentration detection device,
the concentration detection device comprises a concentration detection mechanism and a cleaning mechanism, the concentration detection mechanism comprises a measuring cylinder and a laser displacement sensor, a hydrometer is arranged in the measuring cylinder, and a hydrometer positioning piece used for positioning the hydrometer is arranged on the measuring cylinder; the laser displacement sensor is arranged above the measuring cylinder, the laser emission direction of the laser displacement sensor is the same as the length direction of the hydrometer, and the laser emission direction faces the top end of the hydrometer; the cleaning mechanism comprises a flushing pipe for flushing water to the top end of the measuring cylinder and a drain pipe communicated with the bottom of the measuring cylinder, a drain valve is arranged on the drain pipe, one end of the drain pipe is communicated with the measuring cylinder, the flushing end of the flushing pipe faces to an opening at the top end of the measuring cylinder, and a water pump is arranged on the flushing pipe;
the liquid level detection device comprises a wave elimination tube, a float and a laser ranging sensor, wherein the wave elimination tube comprises an inner wave elimination tube and an outer wave elimination tube, one of the inner wave elimination tube and the outer wave elimination tube is provided with a plurality of transverse wave elimination holes penetrating through the tube wall, the other wave elimination tube which is not provided with the transverse wave elimination holes is provided with a plurality of longitudinal wave elimination holes penetrating through the tube wall, the laser ranging sensor is arranged at the top end of the wave elimination tube, the laser emission direction faces the interior of the inner wave elimination tube and is parallel to the length direction of the inner wave elimination tube, the float is positioned in the inner wave elimination tube, one end, far away from the measuring cylinder, of the drain pipe is communicated with the inner wave elimination tube, and one end, far away from the top end of the measuring cylinder, of the flushing pipe is close to the outer;
the concentration detection device also comprises an overflow prevention mechanism, the overflow prevention mechanism comprises an overflow box and an overflow water drain pipe communicated with the bottom of the overflow box, the bottom of the overflow box is provided with a mounting hole, and the top of the measuring cylinder penetrates through the mounting hole and is communicated with the overflow box;
the bottom surface of the overflow box is inclined relative to the horizontal plane, an overflow water through hole is formed in the bottom surface of the overflow box, an overflow water drainage pipe is communicated with the overflow box through the overflow water through hole, and the mounting hole is higher than the overflow water through hole.
2. The salt pond concentration and liquid level detection device set of claim 1, wherein a hydrometer anti-falling tray for supporting the hydrometer is arranged in the measuring cylinder.
3. The salt pond concentration and liquid level detection device set of claim 1, wherein the concentration detection device further comprises a base, a first connecting arm and a second connecting arm, one end of the first connecting arm is connected with the base, the other end of the first connecting arm extends in a direction away from the base and is connected with the second connecting arm, the side wall of the measuring cylinder is connected with the first connecting arm, the length direction of the measuring cylinder is perpendicular to the bottom surface of the base, and the laser displacement sensor is arranged on the second connecting arm.
4. The salt pond concentration and liquid level detection device set of claim 3, wherein the first connecting arm is perpendicular to the bottom surface of the base, the first connecting arm is connected with the measuring cylinder through a measuring cylinder bracket mounting plate and a measuring cylinder bracket, the measuring cylinder bracket is connected with the measuring cylinder, the measuring cylinder bracket is simultaneously connected with the measuring cylinder bracket mounting plate, the measuring cylinder bracket mounting plate is connected with the first connecting arm, and the length direction of the measuring cylinder bracket mounting plate is parallel to the length direction of the first connecting arm.
5. The salt pond concentration and liquid level detection device set of claim 3, wherein the second connecting arm is parallel to the bottom surface of the base, the laser displacement sensor is arranged on the upper surface of the second connecting arm and connected with the second connecting arm through a sensor bracket, a laser passing hole is formed in the second connecting arm, and a laser emitting end of the laser displacement sensor faces the laser passing hole.
6. The salt pond concentration and liquid level detection device set according to claim 3, further comprising a frame, wherein a placing plate connected with the base is arranged at the upper end of the frame, the base is arranged on the placing plate, the base is provided with a first through hole, the placing plate is provided with a second through hole communicated with the first through hole, and the drain pipe and the flushing pipe both pass through the first through hole and the second through hole simultaneously.
7. The salt pond concentration and liquid level detection device set of claim 1, wherein the liquid level detection device further comprises an annular top cover and an annular bottom cover respectively covering opposite ends of the wave elimination tube, a working hole is formed in the middle of the annular top cover, the laser ranging sensor is arranged on the annular top cover, and the laser emitting direction of the laser ranging sensor faces the working hole.
8. The salt pond concentration and liquid level detection device set of claim 7, wherein an intermediate cavity is arranged between the inner wave elimination tube and the outer wave elimination tube, and the annular top cover is provided with at least one vent hole which is communicated with the intermediate cavity.
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| CN110530759A (en) * | 2019-09-29 | 2019-12-03 | 南宁学院 | A kind of strength of fluid automatic measurement system based on Baume hydrometer |
| CN110559893A (en) * | 2019-09-29 | 2019-12-13 | 南宁学院 | Automatic solution preparation system |
| CN113267422A (en) * | 2021-05-21 | 2021-08-17 | 广州丁海科技有限公司 | Seawater salinity online monitoring system and method |
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