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Passive wireless centralized reading meter

A passive wireless, water meter technology, applied in the direction of liquid/fluid solid measurement, measurement capacity, instruments, etc., can solve problems such as difficult treatment, difficult process, large waste water pollutants, etc., to reduce raw material costs, improve dispersion effect, low cost effect

Active Publication Date: 2015-08-12
HAIMEN CANGYUN MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its process is difficult and produces a large amount of wastewater pollutants, which are difficult for ordinary enterprises to deal with.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A passive wireless centralized water meter, which includes a casing, and the casing is prepared from the following raw materials in parts by weight:

[0024] 1 part of talc, 1 part of titanium carbide, 1 part of molybdenum disulfide, 2 parts of glass fiber, 2 parts of graphite fiber, 3 parts of kaolin, 3 parts of attapulgite, 4 parts of boric acid, 5 parts of hydroxyethyl cellulose, 5 parts of methyl siloxane, 6 parts of chitin, 8 parts of polycarbonate, 10 parts of phenolic resin, 13 parts of aluminum nitride, 16 parts of silicon carbide, 20 parts of aluminum oxide, 25 parts of copper powder, and 200 parts of iron powder.

[0025] The preparation method of the above-mentioned shell comprises the following steps:

[0026] Take each raw material according to the above parts by weight;

[0027] Add kaolin and attapulgite into the stirring reactor in turn, mix well, then add 2 times the weight of 1M hydrochloric acid, stir at 200 rpm for 5 minutes, centrifuge to remove th...

Embodiment 2

[0033] A passive wireless centralized reading water meter, which includes a casing, and the casing is prepared from the following raw materials in parts by weight: 2 parts of talcum powder, 2 parts of titanium carbide, 2 parts of molybdenum disulfide, 3 parts of glass fiber, and 3 parts of graphite fiber 5 parts of kaolin, 5 parts of attapulgite, 6 parts of boric acid, 7 parts of hydroxyethyl cellulose, 7 parts of polydimethylsiloxane, 8 parts of chitin, 10 parts of polycarbonate, 12 parts of phenolic resin, Aluminum nitride 15 parts, silicon carbide 20 parts, aluminum oxide 25 parts, copper powder 30 parts, iron powder 250 parts.

[0034] The preparation method of the above-mentioned shell comprises the following steps:

[0035] Take each raw material according to the above parts by weight;

[0036] Add kaolin and attapulgite into the stirring reactor in turn, mix well, then add 2 times the weight of 1M hydrochloric acid, stir at 200 rpm for 5 minutes, centrifuge to remove t...

Embodiment 3

[0042] Performance test of the passive wireless centralized water meter shell material prepared by the present invention:

[0043] Performance tests were performed on the shells prepared in Examples 1 and 2 of the present invention; where the bending strength was tested according to ASTM D790; the tensile strength was tested according to ASTM D638; the notched impact strength was tested according to ASTM D256. The test results of the obtained materials are shown in Table 1:

[0044] Table 1

[0045] Performance parameters

[0046] The present invention also detects the above-mentioned mechanical properties at -70°C, wherein the bending strength and tensile strength both maintain more than 95% in the 120-hour test, and have good stability.

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Abstract

The invention belongs to the technical field of water meter processing and discloses a passive wireless centralized reading meter. The water meter comprises a shell, wherein the shell is prepared from the following raw materials: talcum powder, titanium carbide, molybdenum disulfide, glass fibers, graphite fibers, kaolin, attapulgite, boric acid, hydroxyethyl cellulose, polydimethylsiloxane, chitosan, polycarbonate, phenolic resin, aluminum nitride, silicon carbide, aluminum oxide, copper powder and iron powder. The passive wireless centralized reading meter disclosed by the invention is wide in application range and good in stability and has good application prospects.

Description

technical field [0001] The invention belongs to the technical field of water meter processing and relates to a passive wireless centralized reading water meter. Background technique [0002] The remote water meter is a kind of water meter developed by many manufacturers to solve the difficult problem of meter reading when the prepaid water meter is in an embarrassing and depressed state. Prior to this, meter reading was basically done by means of pulsed remote transmission of power supply. Because this type of water meter needs to be powered for a long time, the failure rate is extremely high and the maintenance cost is expensive. At present, it is basically in the phase of elimination. It is replaced by "wireless passive centralized water meter". For this type of water meter, due to the problem of difficult wiring in wired remote transmission, especially in old urban areas, the workload of wiring and later maintenance is relatively large, so you can choose to use wireless c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/06C08L69/00C08L1/28C08L83/04C08L5/08C08K13/04C08K3/34C08K3/38C08K3/22C08K3/08C08K7/06G01F15/14
Inventor 徐怀洪尤忠臣徐燕徐国刚徐莉莉辛怀义
Owner HAIMEN CANGYUN MACHINERY CO LTD
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