CN211690572U - Water supply equipment with automatic pressure maintaining function - Google Patents

Abstract

The utility model discloses a water supply equipment with automatic pressure maintaining function, which comprises an air pressure tank and a control cabinet, wherein the air pressure tank and the control cabinet are independently arranged on a base, the upper end of the air pressure tank is symmetrically welded with a hanging ring, a pressure gauge is arranged above one side of the air pressure tank, a gas sensor is arranged below the pressure gauge, an automatic air supply controller is arranged below the gas sensor, a glass window is connected above the other side of the air pressure tank, an air inlet and air supply device is connected below the glass window, a water outlet is arranged below the air inlet and air supply device, one end of the water outlet is connected with a variable frequency speed control water pump through a water pipe, one end of the water pipe is provided with a pressure sensor, a bracket is welded at the lower part of the air pressure tank in a triangular mode, an internal bladder is longitudinally connected inside the, and a drainage device is arranged below the air exchanging cylinder, so that the pressure maintaining effect is good, and the air exchanging cylinder is suitable for popularization.

Description

Water supply equipment with automatic pressure maintaining function

Technical Field

The utility model relates to a water supply equipment specifically is a water supply equipment with automatic pressurize function.

Background

Along with the development and progress of social and economic technologies, the water quality standard of a municipal water supply system is gradually improved, the water supply capacity is continuously enhanced, and in order to meet the social development requirements, an automatic water supply equipment plant is inevitably developed towards a certain target, which aims at high efficiency, energy conservation, no water source pollution, low noise, convenient operation and reliable operation.

However, the water supply equipment on the market is not mature yet, and has no automatic pressure maintaining function, so that the change is urgently needed, and the water supply equipment with the automatic pressure maintaining function is needed. A diaphragm type air pressure tank is an air bag type expansion tank and is widely applied to occasions such as water replenishing and pressure stabilization of fire-fighting water supply systems, circulating water pressure stabilization of central air conditioners and the like. The diaphragm type air pressure tank is safe, reliable, energy-saving and good in economic effect. The diaphragm type air pressure tank is an energy storage device consisting of a steel shell and a rubber diaphragm inner container, the water chamber and the air chamber are completely separated by the rubber diaphragm, when water with pressure outside is filled into the inner container of the diaphragm type air pressure water tank, air sealed in the tank is compressed, the volume of the compressed gas is reduced according to the Boyle's gas law, the pressure is increased to store energy, and the compressed gas expands to press the water in the rubber diaphragm out of the tank body.

Disclosure of Invention

An object of the utility model is to provide a water supply equipment with automatic pressurize function to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: a water supply device with an automatic pressure maintaining function comprises an air pressure tank and a control cabinet, wherein the air pressure tank and the control cabinet are independently arranged on a base, the upper end of the air pressure tank is symmetrically welded with hanging rings, a pressure gauge is arranged above one side of the air pressure tank, a gas sensor is arranged below the pressure gauge, an automatic air supply controller is arranged below the gas sensor, a glass window is connected above the other side of the air pressure tank, an air inlet and supply device is connected below the glass window, a water outlet is arranged below the air inlet and supply device, one end of the water outlet is connected with a variable-frequency speed-regulating water pump through a water pipe, one end of the water delivery pipe is provided with a pressure sensor, a bracket is welded at the lower part of the air pressure tank in a triangular mode, the air pressure tank is characterized in that a built-in bag is longitudinally connected inside the air pressure tank, a replacing cylinder is connected below the built-in bag, and a drainage device is arranged below the replacing cylinder.

Preferably, the air pressure tank is made of carbon steel, the built-in bag is made of a butyl rubber bag, the carbon steel is high in hardness and strength, and the butyl rubber is good in air tightness. It is also resistant to heat, ozone, aging, chemicals, shock absorption, and electrical insulation.

Preferably, the control cabinet is connected to the pressure sensor, the variable-frequency speed-regulating water pump, the gas sensor and the electric energy control end of the automatic air supply controller through electric wires, and the electrical equipment is integrally controlled by the control cabinet, so that an equipment circuit is simplified, and the operation is convenient.

Preferably, the control cabinet is electrically connected with a display device and control keys, so that data display and key-press informed operation are facilitated.

Preferably, the base outer ring is provided with a water tank for draining water in time, so that the base is prevented from being wet and slippery due to water leakage in the using process of the equipment.

Preferably, the air pressure tank and the built-in bag are filled with nitrogen, the built-in bag is internally connected with a water system, and the nitrogen belongs to inert gas and does not react with external gas, so that the corrosion of water to the wall of the tank is prevented, the water quality is not polluted, and the water hammer phenomenon can be effectively eliminated.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can effectively hold the expansion water volume of the heating system, can automatically supplement the water leakage volume and the cold contraction volume of the air conditioner and the heating system, constantly keep the static pressure required by the air conditioner and the heating system, thoroughly replace a high-level expansion water tank, can be directly placed in a boiler room, a heat exchange station and an air conditioner room, has small occupied area, small capital investment, is beneficial to building beauty, complete equipment, convenient installation and construction and convenient maintenance; the equipment has strong safety performance, and eliminates water shock sound when power is cut off and the pump is stopped, so that the system does not have accidents of pipe fittings, pipelines and heat dissipation rupture; the device has strong adaptability, a constant-pressure water replenishing device is suitable for a high-temperature hot water supply and heat supply system, and the reliability of a low-temperature hot water supply and heat supply system and an air conditioning system is better; the single-time inflation can be used for a long time, and a user does not need to prepare additional inflation equipment; the aerated nitrogen is not contacted with air and oxygen, so that the oxidation corrosion of the tank body can be prevented. The utility model discloses an effective volume of overhead tank is superior to conventional jar, and the installation economy, the assembly is rapid, only needs very limited maintenance, because the characteristic of built-in bag itself, the utility model discloses a long service life, and built-in bag is removable, and the secondary purchase cost is low.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the structure of the air pressure tank of the present invention.

In the figure: 1-an air pressure tank; 2-a drainage device; 3-a scaffold; 4-a base; 5-a control cabinet; 6-a pressure sensor; 7-variable frequency speed control water pump; 8-water conveying pipe; 9-a built-in sac; 10-pressure gauge; 11-a gas sensor; 12-automatic air supply control instrument; 13-cylinder replacement; 14-a water outlet; 15-a lifting ring; 16-a glass window; 17-air intake and air supplement device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a water supply device with an automatic pressure maintaining function comprises an air pressure tank 1 and a control cabinet 5, wherein the air pressure tank 1 and the control cabinet 5 are independently placed on a base 4, hanging rings 15 are symmetrically welded at the upper end of the air pressure tank 1, a pressure gauge 10 is arranged above one side of the air pressure tank 1, a gas sensor 11 is arranged below the pressure gauge 10, an automatic air supply controller 12 is arranged below the gas sensor 11, a glass window 16 is connected above the other side of the air pressure tank 1, an air inlet and air supply device 17 is connected below the glass window 16, a water outlet 14 is arranged below the air inlet and air supply device 17, one end of the water outlet 14 is connected with a variable-frequency speed-regulating water pump 7 through a water conveying pipe 8, a pressure sensor 6 is arranged at one end of the water conveying pipe 8, a support 3 is triangularly welded below the air pressure tank 1, and a built, an air exchanging cylinder 13 is connected below the built-in bag 9, and a drainage device 2 is arranged below the air exchanging cylinder 13.

The air pressure tank 1 is made of carbon steel, the built-in bag 9 is a butyl rubber bag, the carbon steel is high in hardness and strength, and the butyl rubber is good in air tightness. It can also be heat-resisting, resistant ozone, ageing-resistant, resistant chemical medicine, and have and inhale shake, electric insulation performance, switch board 5 is connected to through the electric wire pressure sensor 6, variable frequency speed control water pump 7, gas sensor 11 and the electric energy control end of automatic air supply control appearance 12, electrical equipment is by switch board 5 integrative control, simplify equipment circuit, convenient operation, electric connection has display device and control button on the switch board 5, be convenient for show data and button know operation, the base 4 outer lane is cut with the basin, can in time discharge water, prevents to leak in the equipment use and causes the base 4 to wet and smooth, fill through nitrogen gas between atmospheric pressure jar 1 and the built-in bag 9, built-in water receiving system of built-in bag 9, nitrogen gas belongs to inert gas, does not receive the reaction with external gas, has both prevented the corruption of water to the wall of the wall and can make quality of water not, and the water hammer phenomenon can be effectively eliminated.

The working principle is as follows: the utility model relates to a water supply equipment with automatic pressurize function, it is various on structure and control mode, structurally adopt the form of "variable frequency speed governing water pump 7+ switch board 5", switch board 5 passes through the closure that variable frequency speed governing water pump 7 is connected to the wire, realize high-efficient automatic control, atmospheric pressure jar 1 is the precondition that variable frequency speed governing water pump 7 can get into the sleep, utilize the minimum nature of compressibility of water, store up water with external force in built-in bag 9, gas receives compression pressure and risees, the inflation of compressed gas can be got rid of water when external force disappears. Because the compression ratio of water is less than gaseous far away, there is the decline that small discharge's leakage can cause pressure by a wide margin when the pipe network, can make variable frequency speed control water pump 7 frequently start, consequently must be equipped with atmospheric pressure jar 1, alleviate variable frequency speed control water pump 7 and frequently start, when the water that the external world has pressure gets into the inside built-in bag 9 of atmospheric pressure jar 1, the nitrogen gas of sealing in the jar is compressed, according to the gaseous law of boyle, gaseous volume diminishes pressure rising after receiving the compression, it stops into water to reach the unanimity with the pressure of water in atmospheric pressure jar 1 when gaseous pressure. When the pressure is reduced after water loss, the gas pressure in the gas pressure tank is higher than the pressure of water, at the moment, the water in the air bag is extruded out of the gas pressure tank by the volume expansion of the nitrogen and is supplemented into the system, the water drainage is stopped until the pressure of the nitrogen and the pressure of the water are consistent again, the gas concentration in the gas pressure tank 1 is detected by the gas sensitive sensor 11 and converted into an electric signal, the electric signal is transmitted to the control cabinet 5 through a lead, the data are processed and compared by an internal processing system of the control cabinet 5, whether the gas concentration is normal or not is detected, whether the impurity gas exists or not is detected by the pressure gauge 10, whether the gas pressure in the gas pressure tank 1 keeps a preset value or not is detected, and if the gas pressure is lower.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a water supply equipment with automatic pressurize function which characterized in that: comprises an air pressure tank (1) and a control cabinet (5), wherein the air pressure tank (1) and the control cabinet (5) are independently placed on a base (4), the upper end of the air pressure tank (1) is symmetrically welded with a hanging ring (15), a pressure gauge (10) is arranged above one side of the air pressure tank (1), a gas-sensitive sensor (11) is arranged below the pressure gauge (10), an automatic air supply controller (12) is arranged below the gas-sensitive sensor (11), a glass window (16) is connected above the other side of the air pressure tank (1), an air inlet and supply device (17) is connected below the glass window (16), a water outlet (14) is formed below the air inlet and supply device (17), one end of the water outlet (14) is connected with a variable-frequency speed control water pump (7) through a water pipe (8), one end of the water pipe (8) is provided with a pressure, the air pressure tank is characterized in that a support (3) is welded at the lower part of the air pressure tank (1) in a triangular mode, a built-in bag (9) is longitudinally connected inside the air pressure tank (1), an air exchanging cylinder (13) is connected below the built-in bag (9), and a drainage device (2) is arranged below the air exchanging cylinder (13).

2. The water supply apparatus with an automatic pressure maintaining function according to claim 1, wherein: the air pressure tank (1) is made of carbon steel, and the built-in bag (9) is made of butyl rubber.

3. The water supply apparatus with an automatic pressure maintaining function according to claim 1, wherein: the control cabinet (5) is connected to the electric energy control end of the pressure sensor (6), the variable-frequency speed-regulating water pump (7), the gas sensor (11) and the automatic air supply controller (12) through electric wires.

4. The water supply apparatus with an automatic pressure maintaining function according to claim 1, wherein: and the control cabinet (5) is electrically connected with a display device and a control key.

5. The water supply apparatus with an automatic pressure maintaining function according to claim 1, wherein: the outer ring of the base (4) is provided with a water tank.

6. The water supply apparatus with an automatic pressure maintaining function according to claim 1, wherein: the space between the air pressure tank (1) and the built-in sac (9) is filled with nitrogen, and the built-in sac (9) is internally connected with a water system.

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