CN213239106U

CN213239106U - Ultrasonic liquid level meter

Info

Publication number: CN213239106U
Application number: CN202022477857.6U
Authority: CN
Inventors: 陈诚; 张宁; 谢海红; 刘渠枫; 陈磊; 牛月; 张志鑫; 刘东旭; 高思琪; 周叶; 刘蕾
Original assignee: Tianjin Zhongshui Xinhua Engineering Planning And Design Co ltd
Current assignee: Tianjin Zhongshui Xinhua Engineering Planning And Design Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-05-18
Anticipated expiration: 2030-10-29

Abstract

The utility model provides an ultrasonic wave level gauge belongs to level gauge technical field. The ultrasonic liquid level meter comprises a liquid level meter main body, a sleeve and a positioning mechanism. The sleeve is sleeved on the surface of the liquid level meter main body, the surface of the liquid level meter main body is provided with a flange, the inner wall of the sleeve is fixed with a connecting ring, the flange is fixedly connected with the connecting ring through a connecting bolt, and the positioning mechanism comprises a sleeve ring and a telescopic positioning rod. The utility model discloses a fix the cover at level gauge main part surface with the sleeve, the ultrasonic wave that the level gauge main part sent transmits in the sleeve, can avoid external factors to influence ultrasonic transmission, improves the intensity of ultrasonic wave, and then improves the detection precision of level gauge main part, in addition, adds flexible locating lever, can fix a position the level gauge main part, reduces the possibility that the removal appears in the testing process in the level gauge main part, also can improve the detection precision of level gauge main part.

Description

Ultrasonic liquid level meter

Technical Field

The utility model relates to a level gauge field particularly, relates to an 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.

Ultrasonic wave level gauge needs be by ultrasonic wave level gauge's transmitting terminal to surface of water transmission ultrasonic wave when using, and the ultrasonic wave is in transmission process, is influenced by external factor easily, and then can influence subsequent detection precision, and in addition, ultrasonic wave level gauge is inconvenient to be fixed a position, also can cause the influence to the result that detects.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides an ultrasonic liquid level meter aims at improving the problem that traditional ultrasonic liquid level meter detection precision is low.

The utility model discloses a realize like this:

the utility model provides an ultrasonic wave level gauge, including level gauge main part, sleeve and positioning mechanism.

The sleeve cup joints level gauge main part surface, level gauge main part surface mounting has the flange, the sleeve inner wall is fixed with the go-between, just the flange with the go-between passes through connecting bolt fixed connection, positioning mechanism includes the lantern ring and flexible locating lever, the lantern ring is fixed the sleeve surface, flexible locating lever install in the lantern ring surface, just flexible locating lever with sleeve parallel arrangement.

In an embodiment of the present invention, the liquid level meter main body is located inside the connection ring, and the connection ring inner wall is provided with an elastic rubber ring.

In an embodiment of the present invention, the flange surface and the connecting ring surface have all been provided with screw holes, and the thread section of the connecting bolt is screwed in the corresponding two screw holes.

In an embodiment of the present invention, the threaded section of the connecting bolt is screwed with a nut, and the flange and the connecting ring are located between the head of the connecting bolt and the nut.

In an embodiment of the present invention, the surface of the sleeve ring is connected to a floating member through a connecting rope, and the floating member is an annular air bag.

In an embodiment of the present invention, the floating member and the collar are both provided with a winding post, and the end of the connecting rope is bolted to the surface of the winding post.

The utility model discloses an in the embodiment, flexible locating lever is provided with at least three, and at least three flexible locating lever is followed the circumference evenly distributed of the lantern ring.

The utility model discloses an in an embodiment, flexible locating lever includes the body and the body of rod, the body with lantern ring fixed connection, the body of rod slidable mounting is in the body, logical groove has been seted up on the body surface, it has fastening bolt to lead to sliding mounting in the groove, fastening bolt's screw thread section with body of rod threaded connection, just fastening bolt's head is located outside the body.

In an embodiment of the present invention, the end of the rod body is fixed with a conical block, two adjacent conical blocks are installed between the rod bodies, and the connecting rod is an arc-shaped rod.

The utility model discloses an in the embodiment, still include transparent clamshell, transparent clamshell is in the surface of level gauge main part, just transparent clamshell pass through the hasp with sleeve fixed connection.

The utility model has the advantages that: the utility model discloses an ultrasonic wave level gauge that above-mentioned design obtained, during the use, link together flange and go-between through connecting bolt, can fix the cover at level gauge main part surface with the sleeve, the ultrasonic wave that the level gauge main part sent transmits in the sleeve, can avoid external factors to influence ultrasonic transmission, improve the intensity of ultrasonic wave, and then improve the detection precision of level gauge main part, in addition, add flexible locating lever, can fix a position sleeve and level gauge main part, reduce the possibility that the level gauge main part removed in the testing process, also can improve the detection precision of level gauge main part.

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 view of an ultrasonic level gauge provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a flange provided in an embodiment of the present invention;

fig. 3 is a schematic view of a connecting structure of the sleeve and the positioning mechanism according to an embodiment of the present invention;

fig. 4 is a schematic view of a telescopic positioning rod structure according to an embodiment of the present invention.

In the figure: 100-a gauge body; 110-a flange; 111-screw holes; 200-a sleeve; 210-a connecting ring; 220-connecting bolts; 221-a nut; 300-a positioning mechanism; 310-a collar; 311-connecting ropes; 312-a float; 313-winding posts; 320-a telescopic positioning rod; 321-a tube body; 322-a rod body; 323-through groove; 324-fastening bolts; 325-conical block; 326-connecting rod; 400-transparent cover.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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 limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

Examples

Referring to fig. 1-4, the present invention provides an ultrasonic level gauge, which includes a gauge body 100, a sleeve 200 and a positioning mechanism 300.

Wherein, sleeve 200 cover is established on the surface of level gauge main part 100, the ultrasonic wave that level gauge main part 100 sent is transmitted in sleeve 200, avoid external factors to influence ultrasonic transmission, improve the intensity of ultrasonic wave, and then improve the detection precision of level gauge main part 100, positioning mechanism 300 is used for fixing sleeve 200, and then can fix a position level gauge main part 100, reduce the possibility that level gauge main part 100 appears removing in the testing process, also can improve the detection precision of level gauge main part 100.

Referring to fig. 1, the liquid level meter body 100 is an ultrasonic liquid level meter.

Referring to fig. 1-2, a sleeve 200 is sleeved on the surface of the liquid level gauge main body 100, a flange 110 is installed on the surface of the liquid level gauge main body 100, a connection ring 210 is fixed on the inner wall of the sleeve 200, and the flange 110 and the connection ring 210 are fixedly connected by the connection bolts 220, which, in an implementation, the ultrasonic wave emitting end of the gauge body 100 is located in the sleeve 200, and one end of the sleeve 200 is inserted into the water surface, which is kept horizontal, then, water may flow into the sleeve 200, the ultrasonic waves emitted from the gauge body 100 are transmitted in the sleeve 200, and the sleeve 200 may separate the ultrasonic waves from the outside, thereby reducing the possibility of interference of external factors to the transmission of the ultrasonic waves, improving the effect of ultrasonic transmission, and in addition, the flange 110 and the connection ring 210 are connected together by the connection bolts 220, so that the flange 110 and the connection ring 210 can be more conveniently connected and disconnected, and the sleeve 200 and the liquid level gauge main body 100 can be more conveniently disassembled and assembled.

In this embodiment, the liquid level meter main body 100 is located in the connection ring 210, the inner wall of the connection ring 210 is provided with an elastic rubber ring, the elastic rubber ring is additionally arranged, so that the possibility of friction between the liquid level meter main body 100 and the connection ring 210 is reduced, and the elastic rubber ring can be a rubber ring or a silica gel ring; the surface of the flange 110 and the surface of the connecting ring 210 are both provided with screw holes 111, the thread sections of the connecting bolts 220 are screwed in the corresponding two screw holes 111, and the arrangement of the screw holes 111 is beneficial to the threaded connection between the flange 110 and the connecting ring 210 and the connecting bolts 220; the nut 221 is screwed to the threaded section of the connecting bolt 220, and the flange 110 and the connecting ring 210 are located between the head of the connecting bolt 220 and the nut 221, and the nut 221 is additionally arranged, so that the connection among the flange 110, the connecting ring 210 and the connecting bolt 220 can be more stable.

Referring to fig. 1-4, the positioning mechanism 300 includes a lantern ring 310 and a telescopic positioning rod 320, the lantern ring 310 is fixed on the surface of the sleeve 200, the telescopic positioning rod 320 is installed on the surface of the lantern ring 310, and the telescopic positioning rod 320 is parallel to the sleeve 200, in the specific implementation, the length of the telescopic positioning rod 320 is adjusted, one end of the telescopic positioning rod 320 is attached to the bottom end of the river channel or the bottom end of the container, the telescopic positioning rod 320 can support the lantern ring 310, and further support the sleeve 200 and the liquid level meter main body 100, so that the possibility of shaking of the liquid level meter main body 100 in the detection process is reduced, and the use of the liquid level meter main.

In this embodiment, the surface of the collar 310 is connected with a floating member 312 through a connecting rope 311, the floating member 312 is an annular air bag, and the floating member 312 is additionally provided, so that the buoyancy of the collar 310 can be improved, and the possibility that the collar 310, the sleeve 200 and the liquid level meter main body 100 sink into water can be reduced; the floating piece 312 and the lantern ring 310 are both provided with winding posts 313, and the end parts of the connecting ropes 311 are bolted on the surfaces of the winding posts 313, so that the connecting ropes 311 are more convenient to mount and dismount, the floating piece 312 is convenient to mount and dismount, and the winding posts 313 are U-shaped rods;

it should be noted that at least three telescopic positioning rods 320 are arranged, and at least three telescopic positioning rods 320 are uniformly distributed along the circumferential direction of the lantern ring 310, and the lantern ring 310 can be better supported by at least three telescopic positioning rods 320; the telescopic positioning rod 320 comprises a pipe body 321 and a rod body 322, the pipe body 321 is fixedly connected with the lantern ring 310, the rod body 322 is slidably mounted in the pipe body 321, a through groove 323 is formed in the surface of the pipe body 321, a fastening bolt 324 is slidably mounted in the through groove 323, a thread section of the fastening bolt 324 is in threaded connection with the rod body 322, the head of the fastening bolt 324 is located outside the pipe body 321, the rod body 322 can move along the pipe body 321, telescopic positioning of the telescopic positioning rod 320 can be achieved, the fastening bolt 324 is rotated, the head of the fastening bolt 324 and the rod body 322 can simultaneously extrude the pipe body 321, and the rod body 322 can be fixed; furthermore, a conical block 325 is fixed at the end of the rod body 322, and the conical block 325 is additionally arranged, so that the rod body 322 can be inserted into soil at the bottom end of a river channel, and the rod body 322 and the telescopic positioning rod 320 can be fixed conveniently; install connecting rod 326 between two adjacent body of rod 322, and connecting rod 326 is the arc pole, and connecting rod 326's setting makes and to carry out synchronous motion between the body of rod 322, does benefit to at least three flexible locating lever 320 and carries out synchronous flexible.

Referring to fig. 1, the liquid level meter further includes a transparent cover 400, the transparent cover 400 covers the surface of the liquid level meter main body 100, and the transparent cover 400 is fixedly connected to the sleeve 200 through a lock catch, the transparent cover 400 may be made of transparent plastic or transparent glass, and the transparent cover 400 may protect the liquid level meter main body 100, so as to reduce the possibility that the liquid level meter main body 100 is damaged by external objects.

Specifically, the structural principle of the ultrasonic liquid level meter is as follows: when in use, the sleeve 200 is sleeved on the surface of the liquid level meter main body 100, and then the flange 110 and the connecting ring 210 are connected together through the connecting bolt 220, so that the sleeve 200 is fixed on the surface of the liquid level meter main body 100, the ultrasonic wave emitted by the liquid level meter main body 100 is transmitted in the sleeve 200, the sleeve 200 can separate the ultrasonic wave from the outside, the transmission of the ultrasonic wave is prevented from being influenced by external factors, the intensity of the ultrasonic wave is improved, further, the detection precision of the liquid level meter main body 100 is improved, in addition, the length of the telescopic positioning rod 320 is adjusted, one end of the telescopic positioning rod 320 is attached to or inserted into the bottom end of a river channel or the bottom end of a container, the telescopic positioning rod 320 can support and position the lantern ring 310, further, the sleeve 200 and the gauge body 100 can be positioned, the possibility of movement of the gauge body 100 during detection is reduced, and the detection accuracy of the gauge body 100 can also be improved.

It should be noted that the specific model specification of the liquid level meter main body 100 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the gauge body 100 and its principles are clear to a person skilled in the art and will not be described in detail here.

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

1. An ultrasonic liquid level meter is characterized by comprising

A gauge body (100);

the liquid level meter comprises a sleeve (200), wherein the sleeve (200) is sleeved on the surface of the liquid level meter main body (100), a flange (110) is installed on the surface of the liquid level meter main body (100), a connecting ring (210) is fixed on the inner wall of the sleeve (200), and the flange (110) is fixedly connected with the connecting ring (210) through a connecting bolt (220);

the positioning mechanism (300) comprises a sleeve ring (310) and a telescopic positioning rod (320), the sleeve ring (310) is fixed on the surface of the sleeve (200), the telescopic positioning rod (320) is installed on the surface of the sleeve ring (310), and the telescopic positioning rod (320) and the sleeve (200) are arranged in parallel.

2. An ultrasonic level gauge according to claim 1, characterized in that the gauge body (100) is located inside a connection ring (210), the inner wall of the connection ring (210) being provided with an elastic rubber ring.

3. An ultrasonic level gauge according to claim 1, wherein both the surface of the flange (110) and the surface of the connection ring (210) are provided with screw holes (111), and the thread section of the connection bolt (220) is screwed in the corresponding two screw holes (111).

4. An ultrasonic level gauge according to claim 3, wherein the threaded section of the connection bolt (220) is threaded with a nut (221), and the flange (110) and the connection ring (210) are located between the head of the connection bolt (220) and the nut (221).

5. An ultrasonic level gauge according to claim 1, characterized in that a float member (312) is attached to the surface of the collar (310) by means of a connecting string (311), said float member (312) being an annular air bag.

6. An ultrasonic level gauge according to claim 5, characterized in that the float (312) and the collar (310) are each fitted with a winding post (313) and the end of the connecting rope (311) is bolted to the surface of the winding post (313).

7. An ultrasonic level gauge according to claim 1, wherein there are at least three telescopic positioning rods (320), and at least three telescopic positioning rods (320) are evenly distributed along the circumference of the collar (310).

8. The ultrasonic liquid level meter according to claim 1, wherein the telescopic positioning rod (320) comprises a pipe body (321) and a rod body (322), the pipe body (321) is fixedly connected with the sleeve ring (310), the rod body (322) is slidably mounted in the pipe body (321), a through groove (323) is formed in the surface of the pipe body (321), a fastening bolt (324) is slidably mounted in the through groove (323), the thread section of the fastening bolt (324) is in threaded connection with the rod body (322), and the head of the fastening bolt (324) is located outside the pipe body (321).

9. An ultrasonic level gauge according to claim 8, wherein a conical block (325) is fixed to the end of each rod (322), a connecting rod (326) is mounted between two adjacent rods (322), and the connecting rod (326) is an arc-shaped rod.

10. An ultrasonic level gauge according to claim 1, further comprising a transparent cover (400), wherein the transparent cover (400) covers the surface of the gauge body (100), and the transparent cover (400) is fixedly connected with the sleeve (200) by a lock catch.