CN109211725B - Cleaning device of tuning fork densimeter - Google Patents
Cleaning device of tuning fork densimeter Download PDFInfo
- Publication number
- CN109211725B CN109211725B CN201710553336.4A CN201710553336A CN109211725B CN 109211725 B CN109211725 B CN 109211725B CN 201710553336 A CN201710553336 A CN 201710553336A CN 109211725 B CN109211725 B CN 109211725B
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- tuning fork
- water
- cover body
- water injection
- drainage plate
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
- G01N2009/006—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis vibrating tube, tuning fork
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a cleaning device of a tuning fork densimeter, which has the technical scheme that: the tuning fork densimeter comprises a hollow cover body detachably connected with a flange plate of the tuning fork densimeter to accommodate the tuning fork, wherein the cover body comprises a water injection cavity, a drainage plate arranged at a water outlet of the water injection cavity for guiding water to the tuning fork direction, and a water injection pipe slidably connected with the water injection cavity for pushing water in the water injection cavity out of the water outlet, and a heating wire for drying the surface of the tuning fork is arranged in the cover body. The invention has the advantage that when the tuning fork densimeter is used for continuously detecting the densities of different liquids, the residual liquid on the surface of the tuning fork can be thoroughly removed after the tuning fork is taken out from the former liquid.
Description
Technical Field
The invention relates to the field of liquid density detection, in particular to a cleaning device of a tuning fork densimeter.
Background
A tuning fork densitometer is a device for continuous on-line measurement of liquid concentration and density, comprising a capacitive differential pressure sensor and a pair of pressure relays connected thereto for insertion into the production process. A temperature sensor is located between the two pressure relays to compensate for temperature changes in the fluid during the test.
For example, chinese patent publication No. CN206146784U discloses a tuning fork type on-line densimeter, which comprises a display screen, a flange plate, a connecting column and a mounting column, wherein the lower end of the mounting column is connected with a tuning fork, the tuning fork comprises two fork bodies which are symmetrical with each other, and two strain gauges are abutted against the fork bodies. The tuning fork densitometer switch is turned on during the test, and the tuning fork vibrates at the natural frequency. Then insert the tuning fork in the liquid that is surveyed, when the liquid that is surveyed is flowed through tuning fork and is contradicted with two fork bodies, because the density of liquid itself is surveyed, the vibration of tuning fork receives the hindrance of waiting to detect liquid, and the tuning fork vibration changes, and the mechanical deformation that the foil gage that contradicts with the fork body produced also changes to lead to the resistance of foil gage to change, and then carry out the conversion of electric quantity to the change of this kind of resistance through the circuit on the circuit board, utilize the display screen to show the density of liquid that is surveyed.
However, when the tuning fork densitometer is used for continuously detecting the densities of different liquids, after the tuning fork is taken out from the former liquid to be detected, the surface of the tuning fork needs to be carefully wiped so as not to remain on the surface of the tuning fork, thus affecting the accuracy in measuring the density of the latter liquid to be detected, and the wiping with paper may not be thorough enough, so that the surface of the tuning fork still remains with the former liquid to be detected.
Disclosure of Invention
The invention aims to provide a cleaning device of a tuning fork densitometer, which has the advantage that when the tuning fork densitometer is used for continuously detecting the densities of different liquids, the residual liquid on the surface of the tuning fork can be thoroughly removed after the tuning fork is taken out from the former liquid.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a cleaning device of tuning fork densimeter, includes the cavity cover body in order to hold the tuning fork with the ring flange detachable connection of tuning fork densimeter, cover body is internal including the water injection chamber, set up the delivery port of water injection chamber is in order to drain the water to the drainage board of tuning fork direction, with water injection chamber sliding connection in order to follow the water injection pipe that the delivery port was released with the water in the water injection chamber, cover internal be equipped with the heater strip that dries tuning fork surface.
Through the technical scheme, after the previous liquid is tested, the cover body is connected with the flange plate of the tuning fork densimeter, the tuning fork with the surface stuck with the liquid is inserted into the cover body, the water injection pipe is pushed upwards, water in the water injection cavity is rapidly pushed out, the water in the water injection cavity is flushed towards the surface of the tuning fork along the drainage plate, the residual tested liquid on the surface of the tuning fork is cleaned, and then the heating wire is used for drying the surface of the tuning fork, so that the residual liquid on the surface of the tuning fork is evaporated more thoroughly.
The invention is further provided with: the water injection cavity comprises a water storage part axially arranged along the cover body and a water outlet part radially arranged along the cover body, and a piston is fixed on the water injection pipe and is in sliding connection with the water storage part.
Through above-mentioned technical scheme, the piston upwards promotes the water in the water storage portion to wash out from the play water portion, because play water portion sets up along the radial of the cover body, consequently rivers can follow the oblique upward downward impact of tuning fork, cover the tuning fork surface.
The invention is further provided with: the cross section area of the water outlet part gradually decreases along the direction facing the central axis of the cover body.
Through above-mentioned technical scheme, along the direction towards the cover body axis, the sectional area of play water portion reduces gradually for the velocity of flow of the water in the play water portion can accelerate, and the velocity of water reaches fastest when reaching delivery port department, and water pressure is great, can be better with the remaining liquid of tuning fork surface wash clean.
The invention is further provided with: the water outlet is arranged on one surface of the water outlet part, which is far away from the end face of the cover body, the drainage plate comprises a first annular drainage plate, and the edge of the lower end of the first drainage plate is bent towards the direction of the axis of the cover body.
Through the technical scheme, water in the water outlet part can be downwards flushed out from the water outlet and flushed out along the bending direction of the first drainage plate towards the direction of the axis of the cover body, and the surface of the tuning fork positioned on the axis of the cover body is flushed out.
The invention is further provided with: the drainage plate further comprises a second drainage plate with the lower end edge bent towards the direction of the first drainage plate.
Through the technical scheme, water at the position of the water outlet far away from the first drainage plate can flow towards the first drainage plate along the bending direction of the second drainage plate, and then is blocked towards the central axis direction by the first drainage plate, so that the surface of the tuning fork is cleaned, and the water at the position of the water outlet far away from the first drainage plate is prevented from falling directly and vertically.
The invention is further provided with: and a sealing layer is fixed on the outer wall of the piston.
Through the technical scheme, the sealing layer can strengthen the tightness between the piston and the water storage part.
The invention is further provided with: the end face of the cover body is fixed with a magnet post which is inserted into the connecting hole of the flange plate, and the magnet post is connected with the flange plate through magnetic force.
Through above-mentioned technical scheme, after the magnet post inserts the connecting hole of ring flange, through magnetic force inter attraction between with the ring flange, with the cover body with the ring flange fixed of being connected, it is simple and convenient.
The invention is further provided with: the side of the water injection cavity is provided with a water injection hole and a sealing plug for plugging the water injection hole.
Through above-mentioned technical scheme, after once wash, open the sealing plug, fill water in to the water storage portion through the water injection hole, guarantee that there is sufficient water pressure next time washs.
The invention is further provided with: the lower end face of the cover body is provided with a drain hole, and the inner wall of the lower end face is provided with a slope surface which inclines towards the drain hole.
Through the technical scheme, the cleaned water is discharged from the drain hole, the slope is beneficial to the water flowing to the drain hole, and the sewage residue in the cover body is reduced.
The invention is further provided with: the inner wall of the cover body is provided with a circle of heat transfer film.
Through the technical scheme, the heat conduction effect in the cover body can be enhanced by the heat transfer film, the heat of the heating wire is better transferred into the cover body, and the drying speed of the surface of the tuning fork is accelerated.
In summary, the invention has the following beneficial effects:
1. the water injection pipe is rapidly extruded upwards, water in the water injection cavity is flushed to the surface of the tuning fork, and the tested liquid remained on the surface of the tuning fork is cleaned;
2. the first drainage plate and the second drainage plate act together, so that water flow flushed out by the water outlet flows to the position of the axis of the cover body, namely the tuning fork, as much as possible, and the flushing effect is improved;
3. the heating wire and the heat transfer film act together to dry the surface of the tuning fork after cleaning, so that residual liquid on the surface of the tuning fork is cleaned more thoroughly.
Drawings
FIG. 1 is a schematic diagram showing the structure of a tuning fork densitometer;
fig. 2 is a schematic structural view of the present embodiment;
FIG. 3 is a schematic diagram showing the mounting of the present embodiment with a tuning fork densitometer;
FIG. 4 is a schematic view showing the structure of a water injection pipe in the present embodiment;
fig. 5 is a schematic view showing the internal structure of the cover body in the present embodiment;
FIG. 6 is an enlarged view at A in FIG. 5;
fig. 7 is a schematic view showing the structure of the sealing plug in this embodiment.
In the figure, 1, a cover body; 11. an opening; 12. a magnet column; 13. a drain hole; 131. a slope; 2. a water injection cavity; 21. a water storage part; 22. a water outlet part; 221. a water outlet; 23. a water injection hole; 24. a sealing plug; 25. a seal ring; 3. a second drainage plate; 4. a first drainage plate; 5. a water injection pipe; 51. an end cap; 52. a piston; 521. a sealing layer; 6. a heating wire; 7. a heat transfer film; 8. a tuning fork densitometer; 81. a flange plate; 811. a connection hole; 82. a tuning fork; 83. and a display screen.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples: as shown in fig. 1, the tuning fork densitometer 8 includes a display screen 83, a tuning fork 82, and a flange 81 fixed above the tuning fork 82, and 4 connection holes 811 are provided in the flange 81.
As shown in fig. 2 and 3, the cleaning device comprises a hollow cover body 1, an opening 11 for inserting a tuning fork 82 is formed in the upper end face of the cover body 1, four vertical upward magnet columns 12 are further arranged in a circumferential array mode relative to the axis of the upper end face of the cover body 1, the magnet columns 12 are in one-to-one correspondence with connecting holes 811 of a flange plate 81 on a tuning fork densimeter 8, after the magnet columns 12 are inserted into the connecting holes 811, the magnet columns are fixedly connected with the flange plate 81 by utilizing magnetic force, and at the moment, the tuning fork 82 is inserted into the cover body 1 from the opening 11.
As shown in fig. 4 and 5, the part of the cover body 1, which is close to the magnet column 12, is provided with a water injection cavity 2, the water injection cavity 2 comprises a water storage part 21 positioned in the side wall of the cover body 1 and a water outlet part 22 positioned at the end part of the cover body 1, as shown in fig. 6, one surface of the water outlet part 22, which is far away from the end surface of the cover body 1, is provided with a water outlet 221 which is arranged downwards, the inner wall of the upper end of the water outlet part 22 is inclined towards the water outlet 221, and the sectional area of the water outlet part 22 is gradually reduced along the direction of the water outlet 221 so as to accelerate the water flow speed flowing to the water outlet 221.
The edge of the water outlet 221 is respectively fixed with a ring-shaped second drainage plate 3 and a first drainage plate 4, and the lower end edge of the second drainage plate 3 is bent towards the direction of the first drainage plate 4, so that water is conveniently drained to the first drainage plate 4; the length of the first drainage plate 4 is longer than that of the second drainage plate 3, the lower end edge of the first drainage plate 4 is bent towards the direction of the axis of the cover body 1, and water flow is led to the direction of the center of the cover body 1, so that water can be flushed towards the tuning fork 82 of the center of the cover body 1.
As shown in fig. 4 and 5, a piston 52 is slidably connected to the water storage portion 21, and a sealing layer 521 is provided on the outer wall of the piston 52 and is sealed with the inner wall of the water storage portion 21 so that water in the water storage portion 21 does not flow out from the piston 52. The lower end of the piston 52 is connected with a water injection pipe 5 which drives the piston 52 to slide, and one surface of the water injection pipe 5 far away from the piston 52 is provided with an end cap 51 which limits the water injection pipe 5 to slide continuously in the axial direction. When the water injection pipe 5 is rapidly pushed upwards, the water injection pipe 5 drives the piston 52 to slide upwards rapidly, water in the water storage part 21 is extruded, so that the water enters the water outlet part 22 and is sprayed out from the water outlet 221, and water sprayed out from the water inlet part near the first drainage plate 4 is directly flushed to the surface of the tuning fork 82 along the first drainage plate 4; the water sprayed near the second flow guiding plate 3 is first flushed towards the first flow guiding plate 4 by the second flow guiding plate 3, and then is flushed towards the surface of the tuning fork 82 along the first flow guiding plate 4.
As shown in fig. 5 and 7, a water injection hole 23 communicating with the outside is provided on the top end side of the water storage part 21, and a sealing plug 24 for plugging the water injection hole 23 is provided, and the sealing plug 24 is screwed with the water injection hole 23, so that the stability of the sealing plug 24 is enhanced, and the water is prevented from being flushed away. And a sealing ring 25 is fixed on the side wall of one end of the sealing plug 24 far away from the water injection hole 23 so as to enhance the tightness of the sealing plug 24.
As shown in fig. 5, the center of the lower end surface of the cover body 1 is provided with a drain hole 13, and the lower end surface of the inner wall is provided with a slope 131 inclined to the drain hole 13, so that the water flow after flushing can be conveniently and rapidly discharged from the drain hole 13. The drain hole 13 communicates with the water injection pipe 5, and the water injection pipe 5 is hollow, so that water discharged from the drain hole 13 can flow out from the inside of the water injection pipe 5.
The part of the cover body 1, which is far away from the magnet column 12, is surrounded by a circle of heating wire 6, the heating wire 6 is positioned below the water injection cavity 2, a circle of heat transfer film 7 is arranged at the position of the inner wall of the cover body 1 relative to the heating wire 6 and used for transferring heat generated by the heating wire 6 into the cover body 1, the washed tuning fork 82 is dried, residual moisture on the surface of the tuning fork 82 is evaporated, and the surface of the tuning fork 82 is dried, so that the cleaning is more thorough.
The working process comprises the following steps: first, the tuning fork densitometer 8 is inserted into the previous measured liquid to perform measurement, and the reading of the density is displayed through the display screen 83 of the tuning fork densitometer 8. After the measurement, the tuning fork densitometer 8 is pulled out, at this time, a tuning fork 82 part of the tuning fork densitometer 8 is inserted into the cover 1 through the opening 11, at this time, the magnet post 12 is inserted into the connection hole 811 of the flange 81 of the tuning fork densitometer 8, and the cover 1 is fixed to the flange 81 by magnetic force. Then the slide block is quickly pushed upwards to drive the piston 52 to quickly move upwards, water in the water storage part 21 is quickly pressed to the water outlet part 22 by the pressure of the piston 52, and water is flushed out from the water outlet 221, and is flushed to the surface of the tuning fork 82 in the cover body 1 by the drainage action of the second drainage plate 3 and the first drainage plate 4, so that the surface of the tuning fork 82 is flushed, and the flushed water falls into the drain hole 13 below the cover body 1 to be discharged. Simultaneously, the heating wire 6 is electrified to generate heat, the heat is conducted into the cover body 1 through the heat transfer film 7, and the surface of the tuning fork 82 is dried, so that the surface of the tuning fork 82 is thoroughly dried.
Finally, the cover body 1 is pulled out from the flange plate 81, the tuning fork 82 is separated from the cover body 1, and the density of the next measured liquid is continuously measured.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (7)
1. A cleaning device of a tuning fork densimeter is characterized in that: the device comprises a hollow cover body (1) detachably connected with a flange plate (81) of a tuning fork densimeter (8) to accommodate a tuning fork (82), wherein the cover body (1) comprises a water injection cavity (2) for storing water, a water guide plate arranged at a water outlet (221) of the water injection cavity (2) to guide water to the tuning fork (82), and a water injection pipe (5) slidably connected with the water injection cavity (2) to push the water in the water injection cavity (2) out of the water outlet (221), and a heating wire (6) for drying the surface of the tuning fork (82) is arranged in the cover body (1);
the water injection cavity (2) comprises a water storage part (21) axially arranged along the cover body (1) and a water outlet part (22) radially arranged along the cover body (1), a piston (52) is fixed on the water injection pipe (5), and the piston (52) is in sliding connection with the water storage part (21);
the water outlet (221) is arranged on one surface of the water outlet part (22) far away from the end surface of the cover body (1), the drainage plate comprises a ring-shaped first drainage plate (4), and the edge of the lower end of the first drainage plate (4) is bent towards the direction of the axis of the cover body (1);
the drainage plate further comprises a second drainage plate (3) with the lower end edge bent towards the direction of the first drainage plate (4), and the length of the first drainage plate (4) is longer than that of the second drainage plate (3).
2. The tuning fork densitometer cleaning apparatus of claim 1, wherein: the cross section area of the water outlet part (22) gradually decreases along the direction of the central axis of the cover body (1).
3. The tuning fork densitometer cleaning apparatus of claim 1, wherein: a sealing layer (521) is fixed on the outer wall of the piston (52).
4. The tuning fork densitometer cleaning apparatus of claim 1, wherein: the end face of the cover body (1) is fixedly provided with a magnet column (12) which is inserted into a connecting hole (811) of the flange plate (81), and the magnet column (12) is connected with the flange plate (81) through magnetic force.
5. The tuning fork densitometer cleaning apparatus of claim 1, wherein: the side of the water injection cavity (2) is provided with a water injection hole (23) and a sealing plug (24) for plugging the water injection hole (23).
6. The tuning fork densitometer cleaning apparatus of claim 1, wherein: the lower end face of the cover body (1) is provided with a drain hole (13), and the inner wall of the lower end face is provided with a slope (131) which inclines towards the drain hole (13).
7. The tuning fork densitometer cleaning apparatus of claim 1, wherein: the inner wall of the cover body (1) is provided with a circle of heat transfer film (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710553336.4A CN109211725B (en) | 2017-07-08 | 2017-07-08 | Cleaning device of tuning fork densimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710553336.4A CN109211725B (en) | 2017-07-08 | 2017-07-08 | Cleaning device of tuning fork densimeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109211725A CN109211725A (en) | 2019-01-15 |
| CN109211725B true CN109211725B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710553336.4A Active CN109211725B (en) | 2017-07-08 | 2017-07-08 | Cleaning device of tuning fork densimeter |
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| CN (1) | CN109211725B (en) |
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| CN110665890B (en) * | 2019-11-15 | 2021-06-01 | 潍坊潍达信息科技有限公司 | Electrode protector of multifunctional acidimeter |
| CN114748961B (en) * | 2022-04-06 | 2023-12-01 | 京开建设集团有限公司 | Environment-friendly dust fall device for building demolition |
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