RU92531U1 - LIQUID AND GAS FLOW METER - Google Patents

Abstract

The meter for measuring the flow of liquids or gases with a mechanical reading device of the drum type with a magnet on the drum with the lowest division price, in the housing of which there is a compartment with the possibility of easy installation in the reader compartment to provide remote reading of the meter readings, while the compartment is closed and sealed to exclusion of unauthorized access to the sensor.

Description

The utility model relates to measuring technique and can be used to measure the flow of liquid or gas by passing it through the measuring device in a continuous stream.

A known method of measuring fluid flow and a device for its implementation (RU 2152128 C1, 27.06.2000). It consists in the fact that the fluid flow is directed to the impeller of the meter and causes it to rotate together with the magnet attached to it and a rotating magnetic field, and acts on the counting reed switch. Further on the device there is a computing device that recounts the number of reed contacts and displays the result in volume units. The disadvantage of this method is the complexity of the device, and accordingly, the high cost, the need to have a power supply and a limited resource in the meter, due to the fact that the reed switch has a limited number of operations, which usually amounts to about 10 ⁶ -10 ⁷ .

A known meter for accounting water (RU 2337320 C1, 10.27.2008), which contains an impeller installed in the body cavity with two magnets diametrically located on it, a Hall sensor mounted on the outside of the housing above the path of the magnets during rotation of the impeller, a pulse power generating unit for the Hall sensor, a control and calculation unit based on a microcontroller, a conversion factor optimization unit, a timer, a liquid crystal display, an electrical power source, a computer communication unit. The disadvantage of this device is the design complexity and high cost. In addition, at present, systems for remote metering of the flow of liquids or gases are becoming widespread, and the vast majority of facilities do not have such a system. In the near future, such systems will be installed everywhere. The design of this counter, claimed as a utility model, is devoid of these disadvantages.

The technical result of this utility model is the ability to quickly install and replace the sensor for remote reading in case of failure. To achieve a technical result in the counter, which is a mechanical device with a drum-type indicator, a permanent magnet is fixed on the drum with the lowest division price. On the meter cover there is a molded socket (compartment) 1 for installing the reed switch and a compartment cover sealed with lead seal. Depending on the version, the reading device (reed switch) can be fixed both by the compartment cover 4 (Fig. 1 and Fig. 2), and by an additional sealing screw 9 (Fig. 3 and Fig. 4). The design of the reading device of gas meters is presented in figure 1 and figure 2. The compartment for the pulse sensor 1 is formed in the base 2 and the casing 3 of the reading device. The compartment is closed by a cover 4. The cover of the pulse sensor compartment, when discontinued, is sealed with a lead seal 5 with a seal of the manufacturer’s stamp, which is also an element for attaching the cover to the casing. If a pulse sensor is installed during operation, the manufacturer’s seal is removed and the lid is sealed by the seal of the operating organization that installed the pulse sensor. The design of the reading device of the liquid meters is shown in figures 2 and 3. The compartment for the pulse sensor 6 is formed in the casing 7 of the reading device. The compartment is closed by a lid 8, which is fastened to the casing with a sealing screw 9. After installing the pulse sensor, the compartment is sealed with a hinged seal from the manufacturer (if the sensor is installed when discontinued) or the seal of the operating organization (if the sensor is installed during operation). The meter can be purchased by consumers and installed at the place of operation without a reed switch. The sensor readings in this case are read visually. In the case of installing a remote reading system on the object where the meters are installed, it is enough to install the reed switch in the provided socket on the meter body. In addition, ease of repair is ensured in case of failure of the reed switch, which can be easily replaced with a working one.

The essence of the utility model is illustrated by drawings.

The implementation of this design of liquid or gas metering devices compared to existing ones will allow implementing the remote system for collecting liquid and gas flow rate indications in the public utilities as soon as possible and without significant expenses for re-equipment.

Simplicity of design, ease and ease of use provide the possibility of widespread use of the utility model.

Figure 1 shows the reading device of the gas meter; general form; front view.

Figure 2 - reading device of the gas meter; general form; side view.

Figure 3 - reading device of the liquid meter; general form; front view.

Figure 4 - reading device of the liquid meter; general form; side view.

Claims (1)

The meter for measuring the flow of liquids or gases with a mechanical reading device of a drum type with a magnet on the drum with the lowest division price, in the case of which there is a compartment with the possibility of easy installation in the reader compartment to ensure remote reading of the meter, while the compartment is closed and sealed with the aim of exclusion of unauthorized access to the sensor.