Air cushion type surge chamber inflating device

Abstract

The utility model discloses an air cushion type surge chamber inflating device which comprises a breather pipe, the outer side end of the breather pipe is fixedly communicated with a high-pressure air pump, a high-pressure air source can be provided for the breather pipe, a temperature sensor is assembled on the inner wall of a top cover in a penetrating mode, the temperature sensor extends to an inner cavity of an air storage tank and is externally connected with the high-pressure air pump through the breather pipe, and the high-pressure air pump is connected with the top cover. A high-pressure gas source is introduced into the pressure regulating and reducing device, the pressure regulating and reducing device is controlled to work according to needs, the pressure is regulated to a proper working gear, the pressure stabilizing effect is achieved, gas is temporarily stored through the gas storage tank, meanwhile, the pressure regulating valve is matched, secondary pressure stabilizing work is conducted, and stable input of gas pressure is guaranteed. According to the air cushion pressure regulating chamber, the air inflation effect of the air cushion pressure regulating chamber is prevented from being affected by too large or too small air pressure, the top cover is matched with the temperature sensor, the temperature sensor is used for real-time monitoring, the pressure set value is automatically corrected according to an ideal gas equation PV = nRT, and meanwhile heat insulation materials are adopted to reduce the environment temperature influence.

Description

TECHNICAL FIELD

[0001] The utility model relates to air cushion type pressure regulating chamber inflation technical field, concretely relates to an air cushion type pressure regulating chamber inflation device. BACKGROUND

[0002] Air cushion type pressure regulating chamber is a kind of hydraulic pressure regulating facility using compressed gas as buffer medium, mainly used for pressure regulation and water hammer protection of hydraulic system such as hydropower station, pump station etc..Its core principle is to preset the air cushion of certain pressure in airtight chamber, when pipeline system appears pressure fluctuation, energy is absorbed or released by compression or expansion of air cushion, so as to dampen pressure fluctuation, air cushion pressure regulating chamber is inflated, inflation device is often difficult to maintain constant pressure because of large air pressure fluctuation, affect the overall working effect, poor practicality. UTILITY MODEL CONTENT

[0003] The utility model aims at providing an air cushion type pressure regulating chamber inflation device to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: an air cushion type pressure regulating chamber inflation device, including vent pipe, the outer side end of vent pipe is fixedly connected with high-pressure gas pump, can provide high-pressure gas source for vent pipe, another end of vent pipe is connected with one side of gas storage tank by adjusting pressure reducing device, another side of gas storage tank is fixedly connected with air cushion pressure regulating chamber by pressure regulating valve, the inner wall upper end of gas storage tank is screw-connected and sealed with top cover, temperature sensor is passed through and assembled in the inner wall of top cover, temperature sensor extends to the inner chamber of gas storage tank.

[0005] Preferably, the adjusting pressure reducing device includes a pressure reducing valve, the two sides of the pressure reducing valve are respectively connected with the vent pipe and the gas storage tank, the outer wall of the adjusting knob of the pressure reducing valve is fixedly assembled with a first gear, the inner wall of the outer wall support plate of the pressure reducing valve is fixedly assembled with a motor, the rotating shaft end of the motor is fixedly assembled with a second gear, and the first gear is engaged with the second gear.

[0006] Preferably, the outer wall of the gas storage tank is sleeved and assembled with a heat insulation shell.

[0007] Compared with the prior art, the utility model has the beneficial effects that: by connecting high-pressure gas pump with vent pipe, high-pressure gas source is introduced into adjusting pressure reducing device, according to the need, the working of adjusting pressure reducing device is controlled, and the working gear is adjusted to the appropriate one, so that the effect of stable pressure is achieved, and the gas is temporarily stored through gas storage tank, and at the same time, the secondary stable pressure work is carried out by cooperating with pressure regulating valve, so that the stable input of air pressure is ensured, the inflation effect of air cushion pressure regulating chamber is avoided to be affected by too large or too small air pressure, and through the cooperation of top cover and temperature sensor, the temperature sensor is used for real-time monitoring, the pressure setting value is automatically corrected according to ideal gas equation PV=nRT, and the influence of environmental temperature is reduced by using heat insulation material. Attached Figure Description

[0008] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0009] Figure 2 This is a front view of the present invention;

[0010] Figure 3 A three-dimensional schematic diagram of the pressure-reducing device;

[0011] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0012] In the diagram: 1-vent pipe, 2-adjustment and pressure reducing device, 21-pressure reducing valve, 22-first gear, 23-second gear, 24-motor, 3-air tank, 4-top cover, 5-temperature sensor, 6-pressure regulating valve, 7-air cushion pressure regulating chamber, 8-heat insulation shell. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figures 1-4 This utility model provides an air cushion type pressure regulating chamber inflation device, including an air pipe 1. A high-pressure air pump is fixedly connected to the outer end of the air pipe 1 to provide a high-pressure air source for the air pipe 1. The other end of the air pipe 1 is connected to one side of an air storage tank 3 through an adjustment and pressure reducing device 2. The other side of the air storage tank 3 is fixedly connected to an air cushion pressure regulating chamber 7 through a pressure regulating valve 6. A top cover 4 is screwed and sealed to the upper end of the inner wall of the air storage tank 3. A temperature sensor 5 is installed through the inner wall of the top cover 4 and extends into the inner cavity of the air storage tank 3.

[0015] High-pressure air is supplied through an external high-pressure air pump connected to the vent pipe 1, and enters the regulating and pressure reducing device 2. As needed, the regulating and pressure reducing device 2 is controlled to adjust to a suitable working level to achieve a stable pressure effect. The gas is temporarily stored in the air tank 3, and at the same time, it works with the pressure regulating valve 6 to perform secondary pressure stabilization to ensure a stable air pressure input and avoid excessive or insufficient air pressure affecting the inflation effect of the air cushion pressure regulating chamber 7. Through the cooperation of the top cover 4 and the temperature sensor 5, the temperature sensor 5 monitors in real time and automatically corrects the pressure set value according to the ideal gas equation PV=nRT. At the same time, heat insulation material, i.e., heat insulation shell 8, is used to reduce the influence of ambient temperature.

[0016] In the formula, each letter represents a physical quantity and unit:

[0017] P: gas pressure (unit: Pa, Pascal)

[0018] V: gas volume (unit: m 3 , cubic meters)

[0019] n: the amount of substance of the gas (unit: mol, mol)

[0020] R: ideal gas constant (8.314 J / (mol·K))

[0021] T: thermodynamic temperature of the gas (unit: K, Kelvin);

[0022] When the temperature changes, to keep the gas cushion pressure regulating chamber gas state stable, it is necessary to automatically adjust the pressure set value according to the temperature change.

[0023] The adjusting pressure reducing device 2 comprises a pressure reducing valve 21, and the pressure reducing valve 21 is connected with the air pipe 1 and the gas storage tank 3 respectively.

[0024] When the adjusting pressure reducing device 2 is needed, the pressure reducing valve 21 is selected as an adjustable pressure reducing valve with a rotating knob, the outer wall of the adjusting knob is fixedly provided with the first gear 22, the inner wall of the outer wall support plate of the pressure reducing valve 21 is fixedly provided with the motor 24, the end of the rotating shaft of the motor 24 is fixedly provided with the second gear 23, and the first gear 22 is engaged with the second gear 23.

[0025] The outer wall of the gas storage tank 3 is sleeved with the heat insulation shell 8.

[0026] The heat insulation material, i.e. the heat insulation shell 8, is used to reduce the influence of the ambient temperature.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An air cushion pressure regulating chamber inflator, characterized by: The utility model provides a kind of air pipe (1), the outer side end of the air pipe (1) is fixedly connected with high-pressure gas pump, can provide high-pressure gas source for air pipe (1), the other end of the air pipe (1) is connected with the one side of gas storage tank (3) by adjusting pressure reducing device (2), the other side of the gas storage tank (3) is fixedly connected with air cushion pressure regulating chamber (7) by pressure regulating valve (6), the inner wall upper end of the gas storage tank (3) is sealed with top cover (4) by screwing, the inner wall of the top cover (4) is equipped with temperature sensor (5) and is passed through, temperature sensor (5) extends to the inner chamber of gas storage tank (3).

2. An air cushion pressure regulating chamber inflator according to claim 1, wherein: The adjusting pressure reducing device (2) includes a pressure reducing valve (21), the two sides of the pressure reducing valve (21) are respectively connected with the air pipe (1) and the gas storage tank (3), the outer wall of the adjusting knob of the pressure reducing valve (21) is fixedly equipped with a first gear (22), the inner wall of the outer wall support plate of the pressure reducing valve (21) is fixedly equipped with a motor (24), the rotating shaft end of the motor (24) is fixedly equipped with a second gear (23), and the first gear (22) is engaged with the second gear (23).

3. An air cushion pressure regulating chamber inflator as set forth in claim 1, wherein: The outer wall of the gas storage tank (3) is sleeved with a heat insulation shell (8).

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