Aug 27 2014

Electronic Remote Reading Water Meter principle, structure design, application, maintenance and classification.

Intelligent remote meter is a common signaling electronic acquisition module and the electronic module, signal acquisition, data processing, storage and data through the communication line to upload to the repeater, or handheld meter reading device. The body adopts the integrated design, it can real-time record and save the water used by users, each water meter has a unique code, when the intelligent water meter reading instruction received after immediately the water meter data to management system.

Electronic Remote Reading Water Meter

Remote meter reading system of electronic water meter with automatic meter reading mode to replace the traditional manual meter reading, and compared to similar meter reading system, adaptive, network structure characteristics of simple debugging, stable running, convenient extension.

Main function:

Real-time meter reading function, frozen meter reading, Electronic Remote Reading Water Meter, equipment file management, user file management,

Statistical data analysis, report query and print, operation authority management, payment settlement management, data analysis,

Data backup and recovery.

Typical applications:

Single copy: management center set up reading task, the system can automatically copy specified areas of the water meter data information, automatic meter reading function unattended. At the same time, the system also supports manual meter reading function, can copy meter data.

Single copy + remote control mode: water meter inside with valves, management center can at any time on the water meter remote valve, closing valve control.

Single copy + IC card control mode: in addition to have all the features of single copy mode, water meter with IC card circuit and a valve, may realize the IC card prepayment function. Management through the IC card charging control of water meter.

The main parameters:

Remote meter is a mechanical hot and cold water common basis, constitute a remote transmitting system plus, main control parameters selected for flow meter, commonly used flow, overload flow, minimum flow, transitional flow rate, the nominal pressure, the maximum allowable working pressure, pressure loss.

Selection:

1), water meter selection must first consider the water meter working environment: such as water temperature, working pressure, time, measurement range and the water quality of water were selected, then press through the design of flow meter, water meter pressure loss to produce close to and do not exceed the specified value to determine the water meter diameter. In general, nominal diameter less than DN50, should use the rotor type water meter; nominal diameter is more than DN50, should use the spiral wing type water meter; flow meter should be used when the variation range of compound water meter. Give priority to the wet water meter should be in interior design.

2), when the water is even, should be the common flow design flow does not exceed the water meter to determine the Single Jet Dry Dial Brass AMR Remote Reading Water Meter. When there is a fire flow and the need for calibration of flow rate, maximum flow rate is not more than the total water restrictions.

Application:

In the direct reading remote meter gradually overcome the technology difficulty is big, precision requirements of higher disadvantage entering the mature stage, pulse meter is already in the application specification product reliability, product technology, product in engineering and user recognition and entered the mature period. With the development of automatic meter reading market, pulse type, direct reading remote meter from opposition to unification, from exclusion to be complementary. There will be more and more manufacturers should the market demand, the left hand provides a pulse type, the right hand to provide direct reading. Direct reading water meter and pulse meter will be in for a long period of each share, two of the world, and sharing of automatic meter reading market a better future.

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Aug 21 2014

Error of Turbine Woltman Type Water Meter adjusting device, a counting mechanism, a rectifier and history

Turbine meter, refers to the helix axis and the axis of the tap water pipeline for water meter into parallel (or overlapping), the impeller adopts spiral wing shape. This is not to say that the level of the water meter can be installed. Of course, such as the water meter to vertical installation, should the water jewel plain end bearing selection inlet side spiral shaft bearing hole, in order to reduce friction, prolong the service life of the water meter. Imports of some types of spiral wing type water meter adopts dynamic balance technology, can work in horizontal, inclined and vertical state, but the class of measurement work in non horizontal state when the water to reduce the level of.

http://www.asmeter.com/datacache/pic/280_257_0bca250cacd15dbfd1c79b9bbe2da5ca.jpg

Nominal diameter 80 ~ structure level of Woltman water meter of 200mm indicated in Figure 2-12, in fact, object diagram see Annex C figure C.7. Turbine Woltman Type Water Meter is mainly composed of a watchcase, rectifier, error adjusting device, spiral wing, bracket, worm gear, a counting mechanism, sheet glass, sealing gasket and cover parts.

Common error adjusting device two.

(1) Combination Cold Water Meter

In part this adjustment device is a piece of flat and symmetrical paddle shaped adjusting plate, rectifying plate is positioned in the rectifier part. When the rotating paddle shaped adjusting plate, it can increase or decrease this part of water flow to the spiral rotation impact, thus plays the role of error. Paddle shaped error adjusting device has the advantages of simple structure, less components and easy processing and convenient assembly and disassembly, so widely used.

(2) the rudder type error adjusting device

The regulating device role is part of a flat plate, plate is provided with a shaft hole, the adjusting plate is arranged on the rectifying plate rectifier for shaft parts. The regulation error, a shaft on the other side the rudder shape adjustment plate, so that the adjusting plate around the axis of rotation, to increase or decrease the water flow to the spiral rotation impact, thus plays the role of error. The adjusting device is complex.

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Aug 16 2014

Plastic Single Jet Dry Dial Vane Wheel Water Meter product structure, characteristics, advantages and application principle

Water saving type leak proof water meter is in recent years for ordinary water in small discharge [state] not drop charges calculated case and the design and manufacture of precision meter. Common water meter because the rotating component and a counting gear movement inertia, so in the measurement process, if the water tap is opened, water trail to a certain degree, cannot promote the movement of the impeller and the counter gear, and small flow can not be measured, people can adopt the drip mode is less than the starting flow of the water meter does not measure to get water in the tap water, so that the water supply enterprises and management unit losses.

Plastic Single Jet Dry Dial Vane Wheel Water Meter

The water company in order to reduce the loss, specially manufacturing the Plastic Single Jet Dry Dial Vane Wheel Water Meter, water dripping, will slowly drip out of the water accumulation, when accumulated to a certain amount, promoting water wheel to rotate, so as to achieve the purpose of water metering.

1 use the water meter is used to measure the total flow through the water pipe water, suitable for unidirectional flow. For corrosive liquids, cannot use the water meter.

The 2 meter features: A. this water is wet water meter, and all the parts are immersed in water, the surface of the glass below have water is normal, not a fault.

3 the volume of water with a plurality of holes in a row of adjacent appeared in numbers is given, the meter, reasonable structure, high sensitivity, long service life.

Characteristic.

Environmental protection. The product appearance, which belongs to the product of green environmental protection, in accordance with the pure water supply condition.

Corrosion resistance of health. Corrosion resistance, no scale formation, long service life, can be exempted from the pipeline scaling and macular, rust. Long term without running water does not affect the water quality in the table, put an end to pollution two.

Lightweight and durable. The proportion is only the metal shell of the 1/7, reduce the transportation cost; good toughness, impact resistance.

To improve the measurement accuracy and measurement more accurate. 45 Degree Register Single Jet Dry Dial Vane Wheel Water Meter, dimension stability, conducive to the water meter calibration and reduce the pressure loss.

Easy installation, lower installation costs.

A school to reduce manufacturing costs, transportation costs, installation costs, lower than the metal shell of water meter.

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