CN214893658U - Noise monitor for water supply pipe network - Google Patents
Noise monitor for water supply pipe network Download PDFInfo
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- CN214893658U CN214893658U CN202120936937.5U CN202120936937U CN214893658U CN 214893658 U CN214893658 U CN 214893658U CN 202120936937 U CN202120936937 U CN 202120936937U CN 214893658 U CN214893658 U CN 214893658U
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- piezoelectric ceramic
- water supply
- mass block
- lower flange
- mounting
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Abstract
The utility model discloses a noise monitor for a water supply pipe network, which comprises a shell, wherein the shell comprises an installation part arranged at the lower end; the upper flange is fixedly arranged on the upper part of the shell; the lower flange is fixedly arranged on the mounting part and comprises a convex ring arranged at the upper part, the middle of the convex ring extends upwards to form a convex column, and a mounting hole is formed in the middle of the convex column; the noise collector is fixedly arranged on the upper portion of the lower flange and comprises a mass block, a piezoelectric ceramic piece and a screw, wherein the piezoelectric ceramic piece is in compression joint between the mass block and the convex ring, the screw penetrates through the mass block and is fixed in the mounting hole, the piezoelectric ceramic piece is sleeved on the outer side of the convex column, the mass block comprises a mounting groove located in the middle, and the upper end of the convex column extends into the lower portion of the mounting groove; the base is fixedly arranged at the lower end of the lower flange. The utility model discloses simple structure, convenient to use, sealing performance is good.
Description
Technical Field
The utility model relates to a pipeline leakage detects technical field, especially relates to a noise monitoring appearance for water supply network.
Background
At present, the average leakage rate of a domestic urban water supply pipe network exceeds 15%, and the following three major bottlenecks mainly exist in the traditional leakage detection mode: safety guarantee: in the traditional manual listening leak detection, the working environment of a listener is poor, the listener needs to sacrifice night sleep time for going out to work, and the personal safety of the listener cannot be guaranteed in a working site in the night environment when the listener goes to and goes from a vehicle; secondly, quality improvement and efficiency enhancement: in a traditional leakage detection mode of leakage listening, the inspection cycle is easily influenced by weather, artificial listening is easily interfered by other environmental noises, and the final leakage listening effect is easily influenced only by artificial experience judgment; managing and controlling the system: for the water utilities enterprise, the training of professional leak detection personnel is difficult, one professional leak detection personnel needs to listen to leak experience accumulation for many years under the traditional leak detection mode, the personnel training cost is high, and therefore the traditional leak listening is restricted by manual experience technology and is difficult to maintain the high-level leak listening effect.
Therefore, under the condition that the current subarea metering and pressure management system is used as the main force of leakage control, the traditional leakage detection mode still has space for further improvement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art, provide a noise monitoring appearance for water supply network simple structure, convenient to use, sealing performance is good.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a noise monitor for water supply pipe network comprises
The shell comprises a mounting part arranged at the lower end;
the upper flange is fixedly arranged on the upper part of the shell;
the lower flange is fixedly arranged on the mounting part and comprises a convex ring arranged at the upper part, the middle of the convex ring extends upwards to form a convex column, and a mounting hole is formed in the middle of the convex column;
the noise collector is fixedly arranged on the upper portion of the lower flange and comprises a mass block, a piezoelectric ceramic piece and a screw, wherein the piezoelectric ceramic piece is in compression joint between the mass block and the convex ring, the screw penetrates through the mass block and is fixed in the mounting hole, the piezoelectric ceramic piece is sleeved on the outer side of the convex column, the mass block comprises a mounting groove located in the middle, and the upper end of the convex column extends into the lower portion of the mounting groove;
the base is fixedly arranged at the lower end of the lower flange.
The piezoelectric ceramic piece comprises a brass sheet and piezoelectric ceramics arranged at the lower end of the brass sheet, the diameter of the brass sheet is larger than that of the piezoelectric ceramics, the lower ends of the outer edges of the brass sheet and the piezoelectric ceramics are both connected with wires, the mass block is provided with a plurality of wire passing holes which are vertically communicated, and the wires pass through the wire passing holes.
The outer diameter of the piezoelectric ceramic is larger than the diameter of the convex ring, and the connection point of the lead on one side of the piezoelectric ceramic is positioned on the outer side of the convex ring.
The outer diameter of the brass sheet is larger than that of the piezoelectric ceramics, and the connection point of the lead on one side of the brass sheet is positioned on the outer side of the piezoelectric ceramics.
And a gasket is arranged between the lower end of the mounting part and the upper end of the outer edge of the lower flange.
The installation department is including locating the inboard first inclined plane of lower extreme, the corresponding position of flange is equipped with the second inclined plane down, the second inclined plane includes round arc groove ring, arc groove ring department installs the sealing washer, the sealing washer crimping is between first inclined plane and second inclined plane.
The utility model has the advantages that: convert pipeline vibration signal to noise charge signal and output through noise collector, the staff can tentatively fix a position the leak source, has improved greatly and has listened leak source efficiency and leak source and judge the accuracy, and the noise monitoring appearance assembly is firm, and the leakproofness is good, and convenient to use, direct absorption can at the pipeline.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is a cross-sectional view of a mass of the present invention;
fig. 5 is a cross-sectional view of a lower flange of the present invention;
fig. 6 is a schematic view of the mating of the housing and the upper flange.
In the figure: the piezoelectric ceramic mass damper comprises a shell 1, a mounting part 11, a first inclined surface 111, a limiting block 12, a mass block 2, a wiring hole 21, a mounting groove 22, a piezoelectric ceramic piece 3, a brass sheet 31, piezoelectric ceramic 32, a lead 33, a screw 4, a lower flange 5, a second inclined surface 51, an arc-shaped groove ring 511, a convex ring 52, a mounting hole 53, a convex column 54, a base 6, a connecting part 61, a gasket 7, a sealing ring 8, an upper flange 9 and a limiting groove 91.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in figures 1 to 6, a noise monitor for a water supply network comprises
The shell 1 comprises a mounting part 11 arranged at the lower end, the wall thickness of the mounting part 11 is greater than that of the shell 1, and the mounting part 11 is used for mounting the lower flange 5;
the upper flange 9 is fixedly arranged at the upper part of the shell 1, the inner side of the upper end of the shell 1 is provided with a limiting block 12, the annular side wall of the upper flange 9 is provided with a limiting groove 91 corresponding to the limiting block 12, the limiting block 12 is matched with the limiting groove 91 to preliminarily position the upper flange 9, and then the upper flange 9 and the shell 1 are fixed through screws, so that the installation is convenient;
the lower flange 5 is fixedly arranged on the mounting part 11, the lower flange 5 comprises a convex ring 52 arranged on the upper part, the middle of the convex ring 52 extends upwards to form a convex column 54, and a mounting hole 53 is formed in the middle of the convex column 54;
the noise collector is fixedly arranged at the upper part of the lower flange 5 and used for converting a pipeline vibration signal into a noise charge signal, the noise collector comprises a mass block 2, a piezoelectric ceramic plate 3 pressed between the mass block 2 and a convex ring 52 and a screw 4 penetrating through the mass block 2 and fixed in a mounting hole 53, the piezoelectric ceramic plate 3 is sleeved outside a convex column 54, the mass block 2 comprises a mounting groove 22 positioned in the middle, and the upper end of the convex column 54 extends into the lower part of the mounting groove 22;
the base 6, base 6 fixed mounting is in the lower extreme of lower flange 5, and the upper end of base 6 is equipped with connecting portion 61, connecting portion 61 and lower flange 5 threaded connection. Base 6 is strong magnetism base, and inside is equipped with strong magnetism magnet, can directly adsorb on the delivery pipe, simple to operate and realize harmless installation.
The piezoelectric ceramic piece 3 comprises a brass sheet 31 and piezoelectric ceramics 32 arranged at the lower end of the brass sheet 31, the diameter of the brass sheet 31 is larger than that of the piezoelectric ceramics 32, the lower ends of the outer edges of the brass sheet 31 and the piezoelectric ceramics 32 are both connected with wires 33, the mass block 2 is provided with a plurality of wire passing holes 21 which are vertically communicated, and the wires 33 pass through the wire passing holes 21.
The outer diameter of the piezoelectric ceramic 32 is larger than the diameter of the convex ring 52, and the connection point of the lead 33 on one side of the piezoelectric ceramic 32 is positioned on the outer side of the convex ring 52, so that the lead 33 is prevented from being squeezed in the assembling process.
The outer diameter of the brass sheet 31 is larger than that of the piezoelectric ceramics 32, and the connection point of the lead 33 at one side of the brass sheet 31 is positioned at the outer side of the piezoelectric ceramics 32, so that the lead 33 is prevented from being extruded in the assembling process.
And a gasket 7 is arranged between the lower end of the mounting part 11 and the upper end of the outer edge of the lower flange 5.
The installation department 11 is including locating the inboard first inclined plane 111 of lower extreme, the corresponding position of lower flange 5 is equipped with second inclined plane 51, second inclined plane 51 includes round arc groove ring 511, arc groove ring 511 department installs sealing washer 8, 8 crimping of sealing washer are between first inclined plane 111 and second inclined plane 51, and sealing washer 8 is superior to normal condition in the sealed effect under the extrusion state, so this design can make whole noise monitor's sealed effect better.
During installation, the gasket 7 is firstly installed on the outer edge of the lower flange 5, then the sealing ring 8 is installed at the arc-shaped groove ring 511, the assembled lower flange 5 is installed from bottom to top and is fixed with the shell 1, then the piezoelectric ceramic piece 3 and the mass block 2 are sequentially installed on the convex column 54 and are fixed by the screws 4, the limiting groove 91 of the upper flange 9 is aligned with the limiting block 12 of the shell 1 and is installed, then the upper flange is fixed by the screws, and finally the base 6 is installed at the lower end of the lower flange 5.
When the water supply pipe leaks water, the pipeline can generate noise vibration, force generated by vibration can be transmitted to the piezoelectric ceramic piece 3 and the mass block 2 through the base 6 and the lower flange 5, electric charge can be generated after the piezoelectric ceramic piece 3 is stressed, accordingly, the noise vibration of the pipeline is converted into a noise electric charge signal and output, and the more serious the water leakage is, the larger the noise vibration is, the larger the electric charge is.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a noise monitor for water supply network which characterized in that: comprises that
A housing (1), the housing (1) including a mounting portion (11) provided at a lower end;
the upper flange (9), the said upper flange (9) is fixedly mounted on upper portion of the outer casing (1);
the lower flange (5) is fixedly arranged on the mounting part (11), the lower flange (5) comprises a convex ring (52) arranged on the upper part, the middle of the convex ring (52) extends upwards to form a convex column (54), and a mounting hole (53) is formed in the middle of the convex column (54);
the noise collector is fixedly installed on the upper portion of the lower flange (5), the noise collector comprises a mass block (2), a piezoelectric ceramic piece (3) and a screw (4), the piezoelectric ceramic piece (3) is in compression joint between the mass block (2) and the convex ring (52), the screw (4) penetrates through the mass block (2) and is fixed in the mounting hole (53), the piezoelectric ceramic piece (3) is sleeved on the outer side of the convex column (54), the mass block (2) comprises a mounting groove (22) located in the middle, and the upper end of the convex column (54) extends into the lower portion of the mounting groove (22);
the base (6), base (6) fixed mounting is in the lower extreme of lower flange (5).
2. The noise monitor for a water supply network of claim 1, wherein: the piezoelectric ceramic piece (3) comprises a brass sheet (31) and piezoelectric ceramics (32) arranged at the lower end of the brass sheet (31), the diameter of the brass sheet (31) is larger than that of the piezoelectric ceramics (32), the lower ends of the outer edges of the brass sheet (31) and the piezoelectric ceramics (32) are connected with wires (33), the mass block (2) is provided with a plurality of wire passing holes (21) which are communicated up and down, and the wires (33) pass through the wire passing holes (21).
3. The noise monitor for a water supply network of claim 2, wherein: the outer diameter of the piezoelectric ceramic (32) is larger than the diameter of the convex ring (52), and the connection point of the lead (33) on one side of the piezoelectric ceramic (32) is positioned on the outer side of the convex ring (52).
4. The noise monitor for a water supply network of claim 2, wherein: the outer diameter of the brass sheet (31) is larger than that of the piezoelectric ceramics (32), and the connection point of the lead (33) on one side of the brass sheet (31) is positioned on the outer side of the piezoelectric ceramics (32).
5. The noise monitor for a water supply network of claim 1, wherein: and a gasket (7) is arranged between the lower end of the mounting part (11) and the upper end of the outer edge of the lower flange (5).
6. The noise monitor for a water supply network of claim 1, wherein: installation department (11) is including locating inboard first inclined plane (111) of lower extreme, the corresponding position of lower flange (5) is equipped with second inclined plane (51), second inclined plane (51) are including round arc groove ring (511), arc groove ring (511) department installs sealing washer (8), sealing washer (8) crimping is between first inclined plane (111) and second inclined plane (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936937.5U CN214893658U (en) | 2021-04-30 | 2021-04-30 | Noise monitor for water supply pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936937.5U CN214893658U (en) | 2021-04-30 | 2021-04-30 | Noise monitor for water supply pipe network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214893658U true CN214893658U (en) | 2021-11-26 |
Family
ID=78889612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120936937.5U Active CN214893658U (en) | 2021-04-30 | 2021-04-30 | Noise monitor for water supply pipe network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214893658U (en) |
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2021
- 2021-04-30 CN CN202120936937.5U patent/CN214893658U/en active Active
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