CN214702379U

CN214702379U - Clamping type double-track water meter

Info

Publication number: CN214702379U
Application number: CN202120321195.5U
Authority: CN
Inventors: 李强; 徐兵; 王燊; 马德祥
Original assignee: Dalian Boxi Fluid Technology Co ltd
Current assignee: Jiangsu Box Technology Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-11-12
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a press from both sides dress formula double track water gauge, bolted connection are surveyed the flange of the pipeline at pipe body both ends, will show the body clamp and install between two pipelines, install signal reflection device one and signal reflection device two on the internal surface of table body, and upstream sensor one and a low reaches sensor symmetry are installed on the internal surface of table body of signal reflection device both sides, and upstream sensor two and low reaches sensor symmetry are installed on the internal surface of table body of two both sides of signal reflection device. Compared with the prior art, the beneficial effects of the utility model are that: this water gauge practices thrift the cost, practices thrift the space, and is more pleasing to the eye, and is more easy to assemble, and application scope is wider.

Description

Clamping type double-track water meter

Technical Field

The utility model discloses be applied to the instrument and meter field, specifically be a dual track water gauge based on ultrasonic wave time difference technique.

Background

The ultrasonic water meter is a full electronic water meter manufactured by adopting an ultrasonic time difference principle and adopting industrial electronic components. Compared with a mechanical water meter, the water meter has the characteristics of high precision, good reliability, wide range ratio, long service life, no movable part, no need of setting parameters, installation at any angle and the like.

The connection mode of a measured pipe body and a pipeline of the conventional water meter is flange connection, and the arrangement mode of a sensor is correlation mode. The design mode has different requirements on space according to different sizes of pipe calibers, different flange specifications and different lengths of the pipe body to be measured. Generally, the larger the caliber is, the longer the pipe body to be measured is, the higher the requirement on space is, and the higher the casting cost of the pipe body is.

Along with the increasing shortage of water resources, the demands of various projects such as city and town water supply, agricultural irrigation, intelligent cities and the like on water metering are increasing day by day, and the conventional ultrasonic water meter is high in price and not suitable for being used in large quantities.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a press from both sides dress formula binaural water gauge to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the clamping type double-track water meter is characterized in that flanges of pipelines at two ends of a pipe body to be measured are connected through bolts, a meter body is clamped between the two pipelines, a first signal reflection device and a second signal reflection device are installed on the inner surface of the meter body, a first upstream sensor and a first downstream sensor are symmetrically installed on the inner surface of the meter body on two sides of the first signal reflection device, and a second upstream sensor and a second downstream sensor are symmetrically installed on the inner surface of the meter body on two sides of the second signal reflection device.

Preferably, the first signal reflection device and the second signal reflection device are installed in opposite directions.

Further optimization, the upstream sensor I and the upstream sensor I are installed in a two-way mode, and the downstream sensor I are installed in a two-way mode.

Preferably, the upstream sensor I and the upstream sensor II are arranged on the water flow inflow side, and the downstream sensor I and the downstream sensor II are arranged on the water flow outflow side.

Further optimization, the angle between the upstream sensor I and the inner surface of the watch body is adjustable, the included angle between a sound channel emitted by the upstream sensor I and a vertical surface is 10-70 degrees, the angle between the upstream sensor II and the inner surface of the watch body is adjustable, the included angle between a sound channel emitted by the upstream sensor II and the vertical surface is 10-70 degrees, the angle between a downstream sensor I and the inner surface of the watch body is adjustable, the included angle between a sound channel received by the downstream sensor I and the vertical surface is 10-70 degrees, the angle between the downstream sensor II and the inner surface of the watch body is adjustable, and the included angle between a sound channel received by the downstream sensor II and the vertical surface is 10-70 degrees.

Further optimizing, the surface of the watch body is provided with a dial plate for reading the liquid flow, and the surface of the dial plate is flush with the surface of the watch body.

Compared with the prior art, the beneficial effects of the utility model are that: 1. this water gauge practices thrift the cost, through the angle of adjustment sensor, and utilizes the reflector plate to reflect ultrasonic signal, makes the length of being surveyed the body shorten, very big reduction body casting cost.

2. This water gauge practices thrift the space, and the length of being surveyed the pipe body is shorter, more practices thrift the space.

3. This water gauge is more pleasing to the eye, and the dial plate of water gauge is embedded in the water gauge surface, and is more pleasing to the eye.

4. This water gauge is more sensitive, and the water gauge adopts the dual track setting, and is more sensitive than current water gauge.

5. This water gauge is more easy to assemble, and application scope is wider, and the water gauge passes through the bolt and is connected with the body under test, has replaced original flange joint, has saved the flange of water gauge and the flange matching link of body.

Drawings

Fig. 1 is a schematic view of the structure of the dual-track water meter of the present invention.

Fig. 2 is a schematic cross-sectional view of the dual-track water meter of the present invention.

Wherein: 1-meter body, 2-pipeline, 3-measured pipe body, 4-bolt, 11 a-upstream sensor I, 11 b-upstream sensor II, 12 a-signal reflection device I, 12 b-signal reflection device II, 13 a-downstream sensor I, 13 b-downstream sensor II.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The clamp-mounted double-channel water meter is characterized in that bolts 4 are connected with flanges of pipelines 2 at two ends of a pipe body 3 to be measured, a meter body 1 is clamped between the two pipelines, the link that the flanges of the water meter are matched with the flanges of the pipelines 2 is omitted, a first signal reflection device 12a and a second signal reflection device 12b are installed on the inner surface of the meter body 1 in an opposite mode, a first upstream sensor 11a and a first downstream sensor 13a are symmetrically installed on the inner surface of the meter body 1 at two sides of the first signal reflection device 12a, a second upstream sensor 11b and a second downstream sensor 13b are symmetrically installed on the inner surface of the meter body 1 at two sides of the second signal reflection device 12b, the first upstream sensor 11a and the first downstream sensor 13a are located on the same side, and the second upstream sensor 11b and the first downstream sensor 13b are located on the same side. The upstream sensor 11a sends out ultrasonic signal, reflects to the downstream sensor 13a through the signal reflection device two 12b, and in a similar way, the upstream sensor two 11b sends out ultrasonic signal, reflects to the downstream sensor two 13b through the signal reflection device one 12a, has effectively increased effective measuring distance through the mode of signal reflection, has shortened the length of being surveyed the pipe body.

The upstream sensor I11 a and the upstream sensor II 11b are installed opposite to each other, and the downstream sensor I13 a and the downstream sensor II 13b are installed opposite to each other. The upstream sensor 11a and the upstream sensor 11b are installed on the water flow inflow side, and the downstream sensor 13a and the downstream sensor 13b are installed on the water flow outflow side. The layout forms double channels, and the signals are acquired by the double channels, so that the sensitivity of the water meter is greatly improved.

The angle between the upstream sensor I11 a and the inner surface of the watch body 1 is adjustable, the included angle between a sound channel emitted by the upstream sensor I11 a and a vertical surface is 10-70 degrees, the angle between the upstream sensor II 11b and the inner surface of the watch body 1 is adjustable, the included angle between the sound channel emitted by the upstream sensor II 11b and the vertical surface is 10-70 degrees, the angle between the downstream sensor I and the inner surface of the watch body 1 is adjustable, the included angle between the sound channel received by the downstream sensor I13 a and the vertical surface is 10-70 degrees, the angle between the downstream sensor II 13b and the inner surface of the watch body 1 is adjustable, and the included angle between the sound channel received by the downstream sensor II 13b and the vertical surface is 10-70 degrees. The angles of the upstream sensor and the downstream sensor with the inner surface of the meter body are adjustable, so that the distance change of the measured sound channel is realized by adjusting the angles of the upstream sensor and the downstream sensor without depending on the change of the length of the measured pipe body, and the length of the measured pipe body is further optimized.

The surface of the meter body 1 is provided with a dial plate for reading the liquid flow, the surface of the dial plate is flush with the surface of the meter body 1, namely, the dial plate is embedded in the meter body 1, so that the flow meter is more attractive.

Referring to fig. 2, in the clamp-on type two-channel water meter, if the water flow direction is from left to right, when measuring the sound wave transmission time of downstream flow, the upstream sensor i 11a and the upstream sensor i 11b are signal transmitting sensors, and the downstream sensor i 13a and the downstream sensor ii 13b are signal receiving sensors; when measuring the acoustic wave transit time of the reverse flow, the

downstream sensors

13a and 13b are signal transmitting sensors, and the

upstream sensors

11a and 11b are signal receiving sensors.

The ultrasonic signal is sent out by the signal transmitting sensor and is reflected to the receiving sensor through the signal reflecting device so as to realize effective distance measurement, and the ultrasonic signal is reflected to the receiving sensor through the reflecting sheet after being sent out by the transmitting sensor by adjusting the angles of the signal transmitting sensor and the signal receiving sensor, so that the length of the measured pipe body is further shortened.

The clamping type double-track water meter adopts an ultrasonic measurement technology, has no moving and flow choking parts, no mechanical abrasion, small pressure loss and reduced electric energy loss; the reliability is high, the device can work at any flow point for a long time, and the anti-electromagnetic interference capability is strong; the flow rate is small, the accuracy grade is high, the requirement on the measured medium is almost absent, and the measuring range ratio is extremely wide.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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. The utility model provides a press from both sides dress formula binaural water gauge which characterized in that: the flange of the pipeline of bolted connection quilt survey pipe body both ends, press from both sides the table body between two pipelines, install signal reflection device one and signal reflection device two on the internal surface of table body, upstream sensor one and downstream sensor one are installed on the internal surface of table body of signal reflection device one both sides symmetrically, upstream sensor two and downstream sensor two are installed on the internal surface of table body of signal reflection device two both sides symmetrically.

2. The clamp-on dual channel water meter of claim 1, wherein: the first signal reflection device and the second signal reflection device are installed in an opposite direction.

3. The clamp-on dual channel water meter of claim 2, wherein: the first upstream sensor and the first upstream sensor are installed in a two-way mode, and the first downstream sensor and the second downstream sensor are installed in a two-way mode.

4. A clip-on two-channel water meter according to any of claims 1, 2 or 3, wherein: the upstream sensor I and the upstream sensor II are arranged on the water flow inflow side, and the downstream sensor I and the downstream sensor II are arranged on the water flow outflow side.

5. The clamp-on dual channel water meter of claim 4, wherein: the angle between the upstream sensor I and the inner surface of the watch body is adjustable, the included angle between a sound channel transmitted or received by the upstream sensor I and the vertical surface is 10-70 degrees, the angle between the upstream sensor II and the inner surface of the watch body is adjustable, the included angle between a sound channel transmitted or received by the upstream sensor II and the vertical surface is 10-70 degrees, the angle between a downstream sensor I and the inner surface of the watch body is adjustable, the included angle between a sound channel received or transmitted by the downstream sensor I and the vertical surface is 10-70 degrees, the angle between the downstream sensor II and the inner surface of the watch body is adjustable, and the included angle between a sound channel received or transmitted by the downstream sensor II and the vertical surface is 10-70 degrees.

6. The clamp-on dual channel water meter of claim 1, wherein: the surface of the watch body is provided with a dial plate for reading the liquid flow, and the surface of the dial plate is flush with the surface of the watch body.