CN213180162U

CN213180162U - Ultrasonic pipe section

Info

Publication number: CN213180162U
Application number: CN202021567105.2U
Authority: CN
Inventors: 金法宝
Original assignee: 金法宝
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-11
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses an ultrasonic wave pipeline section relates to flow measurement technical field, and its technical scheme main points are: the ultrasonic pipe section measuring device comprises a pipe section body, wherein a first pipe orifice and a second pipe orifice are respectively arranged at two ends of the pipe section body, a first mounting hole and a second mounting hole which are used for mounting an ultrasonic transducer are formed in the outer side wall of the pipe section body, and a first ultrasonic reflection sheet and a second ultrasonic reflection sheet which respectively correspond to the first mounting hole and the second mounting hole are arranged in the pipe section body.

Description

Ultrasonic pipe section

Technical Field

The utility model relates to a flow measurement technical field, in particular to ultrasonic wave pipeline section.

Background

At present, the pipe section used by a measuring channel of the transducer of the ultrasonic water meter and the heat meter for the domestic existing pipeline generally mainly comprises a flange, a sensor mounting seat, an ultrasonic probe and a measuring straight pipe, and the following problems exist in the use of the pipeline: according to the measurement principle of the ultrasonic instrument, the smaller the ultrasonic measurement angle alpha is (namely, the larger the measurement sound path length M is), the better the ultrasonic measurement accuracy and the instrument measurement precision are improved; however, in the existing measurement pipe section, since the installation direction of the ultrasonic probe is parallel to the ultrasonic wave transmission (reception) direction, under the condition that the measurement pipe section length L is fixed, the reduction of the ultrasonic measurement angle α (i.e., the increase of the measurement sound path length M) is difficult due to the limitation of the sensor mounting seat processing and the ultrasonic probe installation operation, which finally affects the accuracy of ultrasonic measurement and reduces the measurement precision of the instrument.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an ultrasonic wave pipeline section, it has the high advantage of measurement accuracy.

The above technical purpose of the present invention can be achieved by the following technical solutions: the pipe section comprises a pipe section body, wherein a first pipe orifice and a second pipe orifice are respectively arranged at two ends of the pipe section body, a first mounting hole and a second mounting hole which are used for mounting an ultrasonic transducer are formed in the outer side wall of the pipe section body, and a first ultrasonic reflection sheet and a second ultrasonic reflection sheet which respectively correspond to the first mounting hole and the second mounting hole are arranged in the pipe section body.

Through the technical scheme, when water flow enters the pipe section body from the pipe orifice I or the pipe orifice II, the ultrasonic transducer arranged in the mounting hole I sends ultrasonic waves to the ultrasonic reflection sheet I and then reflects the ultrasonic waves to the ultrasonic reflection sheet II, the ultrasonic transducer arranged in the mounting hole II sends the ultrasonic waves to the ultrasonic reflection sheet II and then reflects the ultrasonic waves to the ultrasonic reflection sheet I and then reflects the ultrasonic waves to the ultrasonic transducer arranged in the mounting hole I, the flow is calculated through the signal transmitting and receiving time difference of the ultrasonic transducer arranged in the mounting hole I and the ultrasonic transducer arranged in the mounting hole II, the two ultrasonic transducers transmit signals simultaneously, the ultrasonic reflection sheet I and the ultrasonic reflection sheet II reflect the signals, and the receiving area of the ultrasonic waves is increased, the measuring precision can be effectively improved.

Preferably, the first mounting hole and the second mounting hole are respectively located on two opposite sides of the pipe section body, and the central axis of the first mounting hole and the central axis of the second mounting hole are perpendicular to the central axis of the pipe section body.

Through the technical scheme, the first mounting hole and the second mounting hole are respectively located on two opposite sides of the pipe section body, the central axis of the first mounting hole and the central axis of the second mounting hole are perpendicular to the central axis of the pipe section body, the distribution of the first mounting hole and the second mounting hole finally directly influences ultrasonic waves sent by the ultrasonic transducer, the receiving area of the ultrasonic signals after the ultrasonic signals are sent can be increased through the distribution mode of the first mounting hole and the second mounting hole, and the metering precision is effectively improved.

Preferably, an inner core is coaxially arranged in the pipe section body, and the first ultrasonic reflection sheet and the second ultrasonic reflection sheet are arranged in the inner core.

Through the technical scheme, the first ultrasonic reflection sheet and the second ultrasonic reflection sheet are arranged in the inner core, and the inner core is coaxially arranged in the pipe section body, so that the change of a flow field can be effectively reduced, and the pressure loss can be reduced.

Preferably, the inner core comprises a first core body and a second core body which are oppositely arranged, a water flow channel is formed by oppositely connecting the first core body and the second core body, the water flow channel is communicated with the first pipe orifice and the second pipe orifice, a first mounting seat and a second mounting seat are arranged in the water flow channel, and the first ultrasonic wave reflection sheet and the second ultrasonic wave reflection sheet are fixedly mounted on the first mounting seat and the second mounting seat respectively.

Through the technical scheme, the inner core comprises the first core and the second core, and the butt joint has formed the rivers passageway that communicates with mouth of pipe one and mouth of pipe two phase, the inner core adopts split type butt joint to form, be convenient for make and install, ultrasonic reflector piece one and two difference fixed mounting of ultrasonic reflector piece are on mount pad one and mount pad two, can effectively reduce rivers to the influence of ultrasonic reflector piece one and ultrasonic reflector piece two, the stability of ultrasonic reflector piece one and ultrasonic reflector piece two has been improved, the precision of measurement has also been improved.

Preferably, at least two first protruding blocks and at least two second protruding blocks are formed on the side wall of the first core body facing one side of the second core body in an extending mode, at least two first grooves and at least two second grooves are formed on the side wall of the second core body facing one side of the first core body, the first protruding blocks are inserted into the first grooves, and the second protruding blocks are inserted into the second grooves.

Through the technical scheme, the first protruding block and the second protruding block are respectively inserted into the first groove and the second groove to realize the fixed installation between the first core body and the second core body, firstly, the manufacturing and the installation are convenient, and meanwhile, the connection stability between the first core body and the second core body can be effectively improved.

Preferably, the first installation seat comprises a first seat body and a second seat body which are arranged oppositely, the first seat body and the second seat body are respectively provided with a first placement groove and a second placement groove, the first placement groove and the second placement groove are spliced to form a first installation groove, the first ultrasonic reflection sheet is placed in the first installation groove, the second installation seat comprises a third seat body and a fourth seat body which are arranged oppositely, the third seat body and the fourth seat body are respectively provided with a third placement groove and a fourth placement groove, the third placement groove and the fourth placement groove are spliced to form a second installation groove, and the second ultrasonic reflection sheet is placed in the second installation groove.

Through the technical scheme, the mounting seat I consists of a seat body I and a seat body II which are oppositely arranged, and is respectively provided with a placing groove I and a placing groove II, the mounting groove I is formed by splicing the placing groove I and the placing groove II, the mounting seat II consists of a seat body III and a seat body IV which are oppositely arranged, and is respectively provided with a placing groove III and a placing groove IV, the mounting groove II is formed by splicing the placing groove III and the placing groove IV, the mounting groove I and the mounting groove II are used for mounting the ultrasonic reflection sheet I and the ultrasonic reflection sheet II, and are formed by splicing two parts, when in mounting, the ultrasonic reflection sheet I and the ultrasonic reflection sheet II can be respectively placed into one part of the mounting groove I and the mounting groove II, and then the splicing is completed, so that the ultrasonic reflection sheet I and the ultrasonic reflection sheet II are respectively mounted in the mounting groove I and the mounting groove II, and the mounting of, and improved stability after installation.

Preferably, the side wall of the pipe section body is provided with a threaded hole, a fixing bolt is connected to the threaded hole in an internal thread mode, a first through hole is formed in the side wall of the inner core, the first through hole and the threaded hole are coaxially arranged, the fixing bolt is inserted into the first through hole, a containing groove is formed in the lower end face of the fixing bolt, and a sealing ring is arranged in the containing groove.

Through above-mentioned technical scheme, fixing bolt and screw hole threaded connection just insert the through-hole one that the inner core lateral wall was seted up, make the pipeline section body be connected with the inner core, make the inner core stable in this internal position of pipeline section, fixing bolt's lower terminal surface sets up the holding tank, sets up the sealing washer in the holding tank, has improved the leakproofness between fixing bolt and the screw hole.

Preferably, the first core body and the second core body extend inwards to form a first protruding portion and a second protruding portion, the first protruding portion and the second protruding portion are arranged oppositely, and the first protruding portion and the second protruding portion are located between the first ultrasonic reflection sheet and the second ultrasonic reflection sheet.

Through above-mentioned technical scheme, set up bulge one and bulge two respectively in core one and core two, and set up between ultrasonic reflection piece one and ultrasonic reflection piece two, can effectively improve the stability of ultrasonic signal receipt, also improved measurement accuracy.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the first mounting hole and the second mounting hole are respectively positioned on two opposite sides of the pipe section body, the central axis of the first mounting hole and the central axis of the second mounting hole are perpendicular to the central axis of the pipe section body, signals are simultaneously transmitted through the two ultrasonic transducers in the first mounting hole and the second mounting hole, and the first ultrasonic reflector and the second ultrasonic reflector reflect the ultrasonic signals, so that the receiving area of ultrasonic waves is increased, and the metering precision is improved;

2. the first ultrasonic reflection sheet and the second ultrasonic reflection sheet are both arranged in the inner core of the pipe section body, so that the change of a flow field can be effectively reduced, and the pressure loss can be reduced;

3. the inner core, the mounting seat, the first mounting groove and the second mounting groove which are used for placing the first ultrasonic reflection sheet and the second ultrasonic reflection sheet are formed by combining in a split mode, manufacturing and mounting are facilitated, and working efficiency is improved.

Drawings

FIG. 1 is a sectional view of the embodiment;

FIG. 2 is a schematic structural view of a body of a pipe segment according to an embodiment;

FIG. 3 is a structural schematic diagram of a first core body of the embodiment;

FIG. 4 is a structural schematic view of a second core body of the embodiment;

FIG. 5 is a left side view of the inner core of the embodiment;

FIG. 6 is a right side view of the inner core of the embodiment;

fig. 7 is a schematic structural view of the fixing bolt of the embodiment.

Reference numerals: 1. a pipe section body; 2. a first pipe orifice; 3. a second pipe orifice; 4. a first mounting hole; 5. a second mounting hole; 6. a first ultrasonic reflector; 7. a second ultrasonic reflector; 8. An inner core; 81. a first core body; 82. a second core body; 9. a first mounting seat; 91. a first seat body; 92. A second seat body; 10. a second mounting seat; 101. a seat body III; 102. a seat body IV; 11. a first bump; 12. a second bump; 13. a first groove; 14. a second groove; 15. a first mounting groove; 151. Placing the first groove; 152. a second placing groove; 16. a second mounting groove; 161. placing a third groove; 162. Placing the groove IV; 17. a threaded hole; 18. fixing the bolt; 19. a first through hole; 20. accommodating grooves; 21. a seal ring; 22. a first projecting part; 23. a second projecting part; 24. a second through hole; 25. a third through hole; 26. a water flow channel.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

An ultrasonic pipe section is shown in fig. 1 to 7 and comprises a pipe section body 1, wherein a first pipe orifice 2 and a second pipe orifice 3 are respectively arranged at two ends of the pipe section body 1, the first pipe orifice 2 is a water inlet, the second pipe orifice 3 is a water outlet, a first mounting hole 4 and a second mounting hole 5 for mounting an ultrasonic transducer are arranged on the outer side wall of the pipe section body 1, the first mounting hole 4 and the second mounting hole 5 are respectively located on two opposite sides of the pipe section body 1, and the central axis of the first mounting hole 4 and the central axis of the second mounting hole 5 are perpendicular to the central axis of the pipe section body 1.

The pipe section comprises a pipe section body 1, and is characterized in that a first ultrasonic reflection sheet 6 and a second ultrasonic reflection sheet 7 which correspond to a first mounting hole 4 and a second mounting hole 5 respectively are arranged in the pipe section body 1, an inner core 8 is coaxially arranged in the pipe section body 1, and the first ultrasonic reflection sheet 6 and the second ultrasonic reflection sheet 7 are arranged in the inner core 8.

The inner core 8 comprises a first core body 81 and a second core body 82 which are oppositely arranged, a water flow channel 26 is formed by butting the first core body 81 and the second core body 82, the water flow channel 26 is communicated with a first pipe orifice 2 and a second pipe orifice 3, a second through hole 24 and a third through hole 25 which are respectively aligned and communicated with a first mounting hole 4 and a second mounting hole 5 are formed in the outer side wall of the inner core 8, the first through hole 19, the second through hole 24 and the third through hole 25 are respectively divided into two parts of the first core body 81 and the second core body 82, the first through hole 19, the second through hole 24 and the third through hole 25 are formed after the first core body 81 and the second core body 82 are butted to form the inner core 8, and the preferable inner core 8 is made of a non-.

The first mounting seat 9 and the second mounting seat 10 are arranged in the water flow channel 26, the first mounting seat 9 comprises a first base body 91 and a second base body 92 which are arranged oppositely, a first placing groove 151 and a second placing groove 152 are respectively formed in the first base body 91 and the second base body 92, the first placing groove 151 and the second placing groove 152 are spliced to form a first mounting groove 15, the first ultrasonic reflector sheet 6 is placed in the first mounting groove 15, the second mounting seat 10 comprises a third base body 101 and a fourth base body 102 which are arranged oppositely, a third placing groove 161 and a fourth placing groove 162 are respectively formed in the third base body 101 and the fourth base body 102, the third placing groove 161 and the fourth placing groove 162 are spliced to form a second mounting groove 16, the second ultrasonic reflector sheet 7 is placed in the second mounting groove 16, the first base body 91 and the third base body 101 are integrally formed with the first core body 81, and the second base body 92 and the.

At least two first protrusions 11 and at least two second protrusions 12 are formed on the side wall of the first core 81 facing the second core 82 in an extending manner, preferably, the number of the first protrusions 11 and the second protrusions 12 is two, and the number of the first protrusions 11 and the second protrusions 12 can also be increased properly, at least two first grooves 13 and at least two second grooves 14 are formed on the side wall of the second core 82 facing the first core 81, preferably, the number of the first grooves 13 and the second grooves 14 is two, and is corresponding to the number of the first protrusions 11 and the second protrusions 12, the first protrusions 11 are inserted into the first grooves 13, the second protrusions 12 are inserted into the second grooves 14, the positions of the first protrusions 11 are respectively located on the side wall of the second seat 92 facing the first seat 91 and the side wall of the fourth seat 102 facing the third seat 101, the positions of the first grooves 13 are respectively located on the side wall of the first seat 91 facing the second seat 92 and the side wall of the, the stability of the base body I91, the base body II 92, the base body III 101 and the base body IV 102 after splicing can be effectively improved, the stability of the ultrasonic reflection sheet I6 and the stability of the ultrasonic reflection sheet II 7 are also indirectly improved, and the metering precision is improved.

The lateral wall of the pipe section body 1 is provided with a threaded hole 17, a fixing bolt 18 is connected with the threaded hole 17 in an internal thread mode, a first through hole 19 is formed in the lateral wall of the inner core 8, the first through hole 19 and the threaded hole 17 are coaxially arranged, the fixing bolt 18 is inserted into the first through hole 19, an accommodating groove 20 is formed in the lower end face of the fixing bolt 18, and a sealing ring 21 is arranged in the accommodating groove 20.

The first core 81 and the second core 82 extend inwards to form a first protruding portion 22 and a second protruding portion 23 respectively, the first protruding portion 22 and the second protruding portion 23 are arranged oppositely, and the first protruding portion 22 and the second protruding portion 23 are located between the first ultrasonic reflection sheet 6 and the second ultrasonic reflection sheet 7.

The working mode of the ultrasonic pipe section is as follows:

when water flows into the pipe section body 1 from the pipe orifice I2 or the pipe orifice II 3, the ultrasonic transducer arranged in the mounting hole I4 sends an ultrasonic signal to the ultrasonic reflection sheet I6, the ultrasonic wave is reflected to the second ultrasonic wave reflecting sheet 7 through the first ultrasonic wave reflecting sheet 6 and is reflected to the ultrasonic wave transducer arranged in the second mounting hole 5 through the second ultrasonic wave reflecting sheet 7, meanwhile, the ultrasonic transducer arranged in the second mounting hole 5 sends an ultrasonic signal to the second ultrasonic reflection sheet 7, passes through the second ultrasonic reflection sheet 7 and then is reflected to the first ultrasonic reflection sheet 6, passes through the first ultrasonic reflection sheet 6 and then is reflected to the ultrasonic transducer arranged in the first mounting hole 4, and calculating the flow rate by the signal transmitting and receiving time difference of the ultrasonic transducer arranged in the first mounting hole 4 and the ultrasonic transducer arranged in the second mounting hole 5.

Mounting modes of the first ultrasonic wave reflection sheet 6 and the second ultrasonic wave reflection sheet 7 are as follows:

the first ultrasonic reflection sheet 6 is placed in the first placement groove 151 or the second placement groove 152, the second ultrasonic reflection sheet is placed in the third placement groove 161 or the second placement groove, then the first two protruding blocks 11 and the second two protruding blocks 12 are respectively inserted into the first two grooves 13 and the second two grooves 14, splicing of the first core body 81 and the second core body 82 is achieved, and at the moment, the first ultrasonic reflection sheet 6 and the second ultrasonic reflection sheet 7 are respectively installed in the first installation groove 15 and the second installation groove 16.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. An ultrasonic pipe section comprises a pipe section body (1), and is characterized in that: the two ends of the pipe section body (1) are respectively provided with a first pipe orifice (2) and a second pipe orifice (3), the outer side wall of the pipe section body (1) is provided with a first mounting hole (4) and a second mounting hole (5) for mounting an ultrasonic transducer, and a first ultrasonic reflection sheet (6) and a second ultrasonic reflection sheet (7) which correspond to the first mounting hole (4) and the second mounting hole (5) respectively are arranged in the pipe section body (1).

2. An ultrasonic pipe section as defined in claim 1, wherein: the first mounting hole (4) and the second mounting hole (5) are respectively located on two opposite sides of the pipe section body (1), and the central axis of the first mounting hole (4) and the central axis of the second mounting hole (5) are perpendicular to the central axis of the pipe section body (1).

3. An ultrasonic pipe section as defined in claim 1, wherein: an inner core (8) is coaxially arranged in the pipe section body (1), and the ultrasonic reflection sheet I (6) and the ultrasonic reflection sheet II (7) are arranged in the inner core (8).

4. An ultrasonic pipe section as defined in claim 3, wherein: the inner core (8) comprises a first core body (81) and a second core body (82) which are arranged oppositely, a water flow channel (26) is formed by butt joint of the first core body (81) and the second core body (82), the water flow channel (26) is communicated with the first pipe orifice (2) and the second pipe orifice (3), a first mounting seat (9) and a second mounting seat (10) are arranged in the water flow channel (26), and a first ultrasonic reflection sheet (6) and a second ultrasonic reflection sheet (7) are fixedly installed on the first mounting seat (9) and the second mounting seat (10) respectively.

5. An ultrasonic pipe section as defined in claim 4, wherein: the side wall of the first core body (81) facing one side of the second core body (82) extends to form at least two first protruding blocks (11) and at least two second protruding blocks (12), the side wall of the second core body (82) facing one side of the first core body (81) is provided with at least two first grooves (13) and at least two second grooves (14), the first protruding blocks (11) are inserted into the first grooves (13), and the second protruding blocks (12) are inserted into the second grooves (14).

6. An ultrasonic pipe section as defined in claim 4, wherein: the first mounting seat (9) comprises a first seat body (91) and a second seat body (92) which are arranged oppositely, a first placing groove (151) and a second placing groove (152) are respectively arranged on the first seat body (91) and the second seat body (92), the first placing groove (151) and the second placing groove (152) are spliced to form a first mounting groove (15), the first ultrasonic wave reflection sheet (6) is placed in the first installation groove (15), the second mounting seat (10) comprises a third seat body (101) and a fourth seat body (102) which are oppositely arranged, a third placing groove (161) and a fourth placing groove (162) are respectively arranged on the third seat body (101) and the fourth seat body (102), the third placing groove (161) and the fourth placing groove (162) are spliced to form a second mounting groove (16), the second ultrasonic reflection sheet (7) is placed in the second mounting groove (16).

7. An ultrasonic pipe section as defined in claim 3, wherein: the lateral wall of pipeline section body (1) is provided with screw hole (17), screw hole (17) female connection has fixing bolt (18), through-hole (19) have been seted up to the lateral wall of inner core (8), through-hole (19) with screw hole (17) coaxial setting, fixing bolt (18) insert through-hole (19), holding tank (20) have been seted up to the lower terminal surface of fixing bolt (18), be provided with sealing washer (21) in holding tank (20).

8. An ultrasonic pipe section as defined in claim 5, wherein: the first core body (81) and the second core body (82) extend inwards to form a first protruding portion (22) and a second protruding portion (23), the first protruding portion (22) and the second protruding portion (23) are arranged oppositely, and the first protruding portion (22) and the second protruding portion (23) are located between the first ultrasonic reflection sheet (6) and the second ultrasonic reflection sheet (7).