CN214333948U - Novel ultrasonic liquid level meter - Google Patents

Novel ultrasonic liquid level meter Download PDF

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Publication number
CN214333948U
CN214333948U CN202120507728.9U CN202120507728U CN214333948U CN 214333948 U CN214333948 U CN 214333948U CN 202120507728 U CN202120507728 U CN 202120507728U CN 214333948 U CN214333948 U CN 214333948U
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probe
shell
casing
periphery
corrosion
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CN202120507728.9U
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Chinese (zh)
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张朝庭
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Wuxi Chaoda Electronic Technology Co ltd
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Wuxi Chaoda Electronic Technology Co ltd
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Abstract

The utility model discloses a novel ultrasonic wave level gauge relates to the level gauge field, which comprises a housin, set up ultrasonic transducer in the casing, the top sets up the display screen, one side sets up the cable joint, bottom central point puts and sets up the probe, the casing bottom sets up protects a section of thick bamboo, casing periphery lower part sets up the external screw thread, the casing is ABS engineering plastics with the material that protects a section of thick bamboo, the casing all coats anticorrosive paint with the periphery that protects a section of thick bamboo's internal and external surface and display screen and cable joint, the casing bottom sets up the bottom plate, bottom plate central point puts and sets up circular through-hole, the probe setting is arranged in circular through-hole and is used for sealed anticorrosion sealing washer between probe and the circular through-hole, set up calibrating device on the casing. The utility model discloses can solve the problem of unable normal work when current ultrasonic wave level gauge life is shorter, the liquid level value degree of accuracy of measuring is lower and measure volatile liquid level.

Description

Novel ultrasonic liquid level meter
Technical Field
The utility model belongs to the technical field of the level gauge and specifically relates to a novel ultrasonic wave level gauge.
Background
The ultrasonic level gauge is a digital level gauge controlled by a microprocessor.
During measurement, ultrasonic pulses are emitted by a sensor (transducer), sound waves are reflected by the surface of the liquid and then received by the same sensor, the sound waves are converted into electric signals through a piezoelectric crystal, and the distance from the sensor to the surface of the measured liquid is calculated according to the time between the emission and the reception of the sound waves. Because of adopting non-contact measurement, the measured medium is almost unlimited, and can be widely used for measuring the height of various liquid and solid materials.
The existing ultrasonic liquid level meter has the following defects:
1. when the liquid level of the corrosive liquid with volatility is measured by the existing ultrasonic liquid level meter, steam formed by the evaporation of the corrosive liquid can corrode the outside and the inside of the ultrasonic liquid level meter, and the service life of the ultrasonic liquid level meter is seriously influenced.
2. The conventional ultrasonic liquid level meter is difficult to realize that a probe is vertical to the liquid level when being installed, so that the accuracy of the measured liquid level value is low.
3. When the existing ultrasonic liquid level meter is used, steam formed by evaporation of the volatile liquid to be measured is easy to be condensed into small liquid drops on the surface of a probe again, so that the ultrasonic liquid level meter cannot work normally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel ultrasonic wave level gauge is provided, solve the problem of current ultrasonic wave level gauge life shorter, that the liquid level value degree of accuracy of measuring is lower and unable normal work when measuring volatile liquid level.
The utility model provides a technical scheme that its technical problem adopted is: a novel ultrasonic liquid level meter comprises a shell with a hollow cylinder structure, wherein an ultrasonic transducer is arranged in the shell, a display screen is arranged at the top of the shell, a cable joint is arranged on one side of the shell, a probe is vertically and downwards arranged at the central position of the bottom of the shell, an annular protective cylinder is arranged at the bottom of the shell around the probe, the ultrasonic transducer is electrically connected with the display screen, the cable joint and the probe, the display screen is electrically connected with the probe, external threads are arranged at the lower part of the periphery of the shell, the shell and the protective cylinder are made of ABS engineering plastics, the inner and outer surfaces of the shell and the protective cylinder as well as the periphery of the display screen and the cable joint are coated with anticorrosive paint, a bottom plate is arranged at the bottom of the shell, a circular through hole matched with the probe is arranged at the central position of the bottom plate, the probe is arranged in the circular through hole, and an anticorrosive sealing ring for sealing is arranged between the probe and the circular through hole, and the shell is provided with a calibration device for ensuring that the direction of the probe is vertical to the liquid level.
Further, calibrating device is including setting up the plumb line mounting panel on casing periphery upper portion, plumb line mounting panel below sets up the plumb line, the plumb line bottom sets up the plumb bob, the casing periphery sets up the vertical scale that is used for the reference in the position that corresponds with the plumb line.
Further, the housing periphery is provided with an annular stop between the external thread and the calibration means.
Further, the anticorrosive paint is one of epoxy anticorrosive paint, polyurethane anticorrosive paint, acrylic acid anticorrosive paint, inorganic anticorrosive paint, perchloroethylene anticorrosive paint, chlorinated rubber anticorrosive paint and high chlorinated polyethylene anticorrosive paint.
Further, the anti-corrosion sealing ring is a perfluoro ether rubber sealing ring.
Furthermore, the periphery of the protective cylinder is provided with an opening, a fan is arranged outside the opening, the sum of the radius of the protective cylinder and the thickness of the fan in the horizontal direction is not larger than the radius of the shell, one end of a power line of the fan is electrically connected with the fan, and the other end of the power line of the fan sequentially penetrates through the periphery of the protective cylinder, the probe and the anti-corrosion sealing ring and is electrically connected with the cable joint.
The utility model discloses following beneficial effect has:
the utility model discloses an ultrasonic wave level gauge's casing and the material that protects a section of thick bamboo are ABS engineering plastics, and the casing all coats anticorrosive paint with the periphery that protects a section of thick bamboo's internal and external surface and display screen and cable joint, and the casing bottom sets up the bottom plate, and bottom plate central point puts the circular through-hole that sets up and probe matching, and the probe setting sets up in circular through-hole and between probe and the circular through-hole and be used for sealed anticorrosion sealing washer. The ABS engineering plastic has stronger corrosion resistance. When measuring the liquid level that has volatile corrosive liquids, the outside of ultrasonic wave level gauge can't be corroded to the steam that corrosive liquids evaporation formed, also can't get into inside corroding ultrasonic wave level gauge of casing from the anticorrosion sealing washer department. The service life of the ultrasonic liquid level meter is greatly prolonged.
The utility model discloses a set up on ultrasonic wave level gauge's the casing and be used for guaranteeing probe direction and liquid level vertically calibrating device, the liquid level value degree of accuracy that ultrasonic wave level gauge measured out is higher.
The utility model discloses an ultrasonic wave level gauge protect a periphery of section of thick bamboo set up the fan that opening and opening part outside set up, protect a radius and the fan of section of thick bamboo in the thickness of horizontal direction and be not more than the radius of casing, the one end and fan electric connection, the other end of the power cord of fan pass in proper order protect between a periphery, probe and the anticorrosion sealing washer and with cable joint electric connection. During the use process of the ultrasonic liquid level meter, the fan continuously works, steam formed by evaporation of the tested volatile liquid is blown away from the surface of the probe and is difficult to condense into small liquid drops, and the ultrasonic liquid level meter can normally work.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a bottom plan view of the base plate;
FIG. 3 is a bottom view of the connection of the base plate with the probe, the anti-corrosion seal ring and the power cord.
Detailed Description
Example 1:
as shown in figures 1-3, a novel ultrasonic liquid level meter comprises a shell with a hollow cylinder structure, wherein an ultrasonic transducer is arranged in the shell, a display screen is arranged at the top of the shell, a cable joint is arranged at one side of the shell, a probe is vertically and downwards arranged at the central position of the bottom of the shell, an annular protective cylinder is arranged at the bottom of the shell around the probe, the ultrasonic transducer is electrically connected with the display screen, the cable joint and the probe, the display screen is electrically connected with the probe, external threads are arranged at the lower part of the periphery of the shell, the shell and the protective cylinder are made of ABS engineering plastics, the inner and outer surfaces of the shell and the protective cylinder as well as the peripheries of the display screen and the cable joint are coated with anticorrosive paint, a bottom plate is arranged at the bottom of the shell, a circular through hole matched with the probe is arranged at the central position of the bottom plate, the probe is arranged in the circular through hole, and a sealing ring for sealing is arranged between the probe and the circular through hole, and the shell is provided with a calibration device for ensuring that the direction of the probe is vertical to the liquid level.
During installation, an installer firstly sets a threaded hole matched with the external thread on the liquid tank, and then screws the ultrasonic liquid level meter into the threaded hole from top to bottom.
Calibrating device sets up the plumb line including setting up the plumb line mounting panel on casing periphery upper portion, plumb line mounting panel below sets up the plumb line, the plumb line bottom sets up the plumb bob, the casing periphery is corresponding the vertical scale that the position setting is used for the reference with the plumb line.
After the installation of ultrasonic wave level gauge was accomplished, installation staff observed vertical scale from the left side of plumb line, if the plumb line can coincide with vertical scale completely, then the probe was perpendicular with the liquid level.
The periphery of the shell is provided with an annular stop piece between the external thread and the calibration device.
The separation blade is used for preventing that the ultrasonic wave level gauge from falling into in the liquid jar from the screw hole.
The anticorrosive paint is one of epoxy anticorrosive paint, polyurethane anticorrosive paint, acrylic acid anticorrosive paint, inorganic anticorrosive paint, perchloroethylene anticorrosive paint, chlorinated rubber anticorrosive paint and high chlorinated polyethylene anticorrosive paint.
The anti-corrosion sealing ring is a perfluoro-ether rubber sealing ring.
The perfluoro-ether rubber sealing ring is a better anti-corrosion sealing ring.
The periphery of the protective cylinder is provided with an opening, a fan is arranged outside the opening, the sum of the radius of the protective cylinder and the thickness of the fan in the horizontal direction is not larger than the radius of the shell, one end of a power line of the fan is electrically connected with the fan, and the other end of the power line of the fan sequentially penetrates through the periphery of the protective cylinder, the probe and the anti-corrosion sealing ring and is electrically connected with the cable connector.
Therefore, no wire hole is additionally formed on the bottom plate for a power line of the fan, and corrosive gas can be prevented from entering the shell.
The utility model discloses an ultrasonic wave level gauge's casing and the material that protects a section of thick bamboo are ABS engineering plastics, and the casing all coats anticorrosive paint with the periphery that protects a section of thick bamboo's internal and external surface and display screen and cable joint, and the casing bottom sets up the bottom plate, and bottom plate central point puts the circular through-hole that sets up and probe matching, and the probe setting sets up in circular through-hole and between probe and the circular through-hole and be used for sealed anticorrosion sealing washer. The ABS engineering plastic has stronger corrosion resistance. When measuring the liquid level that has volatile corrosive liquids, the outside of ultrasonic wave level gauge can't be corroded to the steam that corrosive liquids evaporation formed, also can't get into inside corroding ultrasonic wave level gauge of casing from the anticorrosion sealing washer department. The service life of the ultrasonic liquid level meter is greatly prolonged.
The utility model discloses a set up on ultrasonic wave level gauge's the casing and be used for guaranteeing probe direction and liquid level vertically calibrating device, the liquid level value degree of accuracy that ultrasonic wave level gauge measured out is higher.
The utility model discloses an ultrasonic wave level gauge protect a periphery of section of thick bamboo set up the fan that opening and opening part outside set up, protect a radius and the fan of section of thick bamboo in the thickness of horizontal direction and be not more than the radius of casing, the one end and fan electric connection, the other end of the power cord of fan pass in proper order protect between a periphery, probe and the anticorrosion sealing washer and with cable joint electric connection. During the use process of the ultrasonic liquid level meter, the fan continuously works, steam formed by evaporation of the tested volatile liquid is blown away from the surface of the probe and is difficult to condense into small liquid drops, and the ultrasonic liquid level meter can normally work.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes without departing from the technical scope of the present invention, but all those persons do not depart from the technical spirit of the present invention, and any simple modifications, equivalent replacements, and improvements made to the above embodiments are within the spirit and principle of the present invention, and still belong to the protection scope of the technical solution of the present invention.

Claims (6)

1. A novel ultrasonic liquid level meter comprises a shell (1) with a hollow cylinder structure, wherein an ultrasonic transducer is arranged in the shell (1), a display screen (11) is arranged at the top of the shell, a cable joint (12) is arranged on one side of the shell, a probe (3) is vertically and downwardly arranged at the center of the bottom of the shell, an annular protective cylinder (2) is arranged at the bottom of the shell (1) and around the probe (3), the ultrasonic transducer is electrically connected with the display screen (11), the cable joint (12) and the probe (3), the display screen (11) is electrically connected with the probe (3), and external threads (14) are arranged at the lower part of the periphery of the shell (1), and is characterized in that the shell (1) and the protective cylinder (2) are both made of ABS engineering plastic, and the inner and outer surfaces of the shell (1) and the protective cylinder (2) and the periphery of the display screen (11) and the cable joint (12) are both coated with anticorrosive paint, the utility model discloses a probe, including casing (1), bottom plate (16) are set up to casing (1) bottom, bottom plate (16) central point puts circular through-hole (161) that set up and probe (3) matching, probe (3) set up in circular through-hole (161) and probe (3) and circular through-hole (161) between set up and are used for sealed anticorrosion sealing washer (5), set up on casing (1) and be used for guaranteeing probe (3) direction and liquid level vertically calibrating device (15).
2. A new ultrasonic level gauge as claimed in claim 1, characterized in that the calibrating means (15) comprise a plumb line mounting plate (151) arranged on the upper part of the periphery of the housing (1), a plumb line (152) being arranged below the plumb line mounting plate (151), a plumb bob (153) being arranged at the bottom of the plumb line (152), and a vertical scale (154) for reference being arranged on the periphery of the housing (1) in a position corresponding to the plumb line (152).
3. A new ultrasonic level gauge as claimed in claim 1, characterized in that the periphery of the housing (1) is provided with an annular stop (13) between the external thread (14) and the calibrating means (15).
4. The ultrasonic liquid level meter as claimed in claim 1, wherein the corrosion-resistant paint is one of epoxy corrosion-resistant paint, polyurethane corrosion-resistant paint, acrylic corrosion-resistant paint, inorganic corrosion-resistant paint, perchloroethylene corrosion-resistant paint, chlorinated rubber corrosion-resistant paint and high chlorinated polyethylene corrosion-resistant paint.
5. A new ultrasonic level gauge according to claim 1, characterized in that the anti-corrosion seal (5) is a perfluoro-ether rubber seal.
6. The novel ultrasonic liquid level meter as claimed in claim 1, wherein the periphery of the protective cylinder (2) is provided with an opening and a fan (4) is arranged outside the opening, the sum of the radius of the protective cylinder (2) and the thickness of the fan (4) in the horizontal direction is not larger than the radius of the shell (1), one end of a power line (41) of the fan (4) is electrically connected with the fan (4), and the other end of the power line sequentially passes through the periphery of the protective cylinder (2), the probe (3) and the anti-corrosion sealing ring (5) and is electrically connected with the cable joint (12).
CN202120507728.9U 2021-03-10 2021-03-10 Novel ultrasonic liquid level meter Active CN214333948U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120507728.9U CN214333948U (en) 2021-03-10 2021-03-10 Novel ultrasonic liquid level meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120507728.9U CN214333948U (en) 2021-03-10 2021-03-10 Novel ultrasonic liquid level meter

Publications (1)

Publication Number Publication Date
CN214333948U true CN214333948U (en) 2021-10-01

Family

ID=77889708

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120507728.9U Active CN214333948U (en) 2021-03-10 2021-03-10 Novel ultrasonic liquid level meter

Country Status (1)

Country Link
CN (1) CN214333948U (en)

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