Numerical control pneumatic power water pump, fountain using the water pump and water spraying method

Abstract

The present invention discloses a numerically controlled pneumatic power water pump, a fountain using the water pump, and a water spraying method. The water pump includes a water circuit system, an air circuit system, a controller, a numerically controlled stepless pneumatic valve, and a check valve. The water circuit system composed of a water storage tank and a water outlet pipe is arranged underwater. One end of the water outlet pipe extends into the water storage tank, and the other end extends out of the water surface. The air circuit system is composed of a high-pressure air source and an energy storage air tank connected to the high-pressure air source by an air circuit. High-pressure gas enters the water storage tank through the numerically controlled stepless pneumatic valve, and the water pressure in the water storage tank is pressed into the water outlet pipe and ejected by a nozzle to form a water column fountain. At the same time of water spraying, the check valve is opened due to the negative pressure in the water storage tank to form automatic water inlet. The controller controls the change of the aperture size of the numerically controlled stepless pneumatic valve, and further controls the change of the air flow rate entering the water circuit system per unit time, so as to form a fountain with a changing water column height.

Description

Technical Field

[0001] The present invention relates to a water pump, in particular to a water pump for the fountain industry. Background Art

[0002] Water pumps are essential equipment in the fountain industry. Currently, low-pressure water pumps are commonly used in the fountain industry. The water is pumped into the water tank by a low-pressure water pump motor and then sprayed out to form a fountain. Due to the head limit of the low-pressure water pump, the height of the sprayed water column is not high, and the maximum is only 10 meters. In the industry, in order to increase the height of the sprayed water column, the power and voltage of the water pump are continuously increased. However, when the required voltage is increased, safety cannot be guaranteed, and increasing the power consumes more energy. Moreover, the height of the sprayed water column is fixed and the dynamic change of the spraying height cannot be achieved. Summary of the Invention

[0003] The purpose of the present invention is to provide a numerically controlled pneumatic power water pump, a fountain using the water pump, and a water spraying method, which can directly replace the existing water pump. The fountain using the water pump can not only spray a higher water column height on the premise of ensuring electrical safety and low energy consumption, but also achieve the dynamic change of the spraying height.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A numerically controlled pneumatic power water pump includes a water circuit system, a gas circuit system, a controller, a numerically controlled stepless pneumatic valve, and a check valve;

[0006] The water circuit system is arranged underwater and consists of a water storage tank and a water outlet pipe. One end of the water outlet pipe extends into the water storage tank, and the other end extends out of the water surface;

[0007] The gas circuit system consists of a high-pressure gas source and an energy storage gas tank connected to the high-pressure gas source by a gas circuit. The high-pressure gas in the energy storage gas tank enters the water circuit system through the numerically controlled stepless pneumatic valve, and the water pressure in the water circuit system is pressed into the water outlet pipe and sprayed out;

[0008] The aperture size of the numerically controlled stepless pneumatic valve is controlled by the controller to change, thereby controlling the change of the gas flow rate entering the water circuit system per unit time;

[0009] The check valve is arranged at the water inlet of the water circuit system. When the water outlet pipe is pressed to spray water, the check valve opens due to the negative pressure in the water storage tank to form automatic water inlet.

[0010] Preferably, the numerically controlled stepless pneumatic valve includes a cavity, a partition separating the cavity into two halves, and a valve plate hinged at the center of the partition; a strip-shaped hole is opened on the partition, and the valve plate gradually covers and closes the strip-shaped hole when rotating; the rotating plate is driven by an underwater numerically controlled motor, and the underwater numerically controlled motor is controlled by the controller.

[0011] Preferably, the controller is a DMX controller, a PLC controller, a CAN controller, etc.; the controller can also be a DMX512 controller.

[0012] Preferably, pressure relief valves are provided at the bottoms of both the energy storage air tank and the water storage tank; an exhaust pipe and an exhaust solenoid valve provided on the exhaust pipe are provided at the upper part of the water storage tank.

[0013] A fountain using a numerically controlled pneumatic power water pump, which includes the above-mentioned numerically controlled pneumatic power water pump; the end of the water outlet pipe in the water storage tank extending out of the water surface is provided with a nozzle; an exhaust pipe for exhausting air and an exhaust solenoid valve provided on the exhaust pipe are provided at the upper part of the water storage tank; the high-pressure gas in the energy storage air tank enters the water storage tank through the numerically controlled stepless pneumatic valve, and the water pressure in the water storage tank is pressed into the water outlet pipe and sprayed out by the nozzle to form a water column. The controller controls the dynamic height change and spraying time length of the sprayed water column by adjusting the change of the caliber size of the numerically controlled stepless pneumatic valve, that is, a numerically controlled adjustable dynamic change fountain is formed.

[0014] Preferably, an electromagnetic valve is also provided at the connection between the water outlet pipe and the nozzle. By turning on and off the electromagnetic valve, an explosion sound of "bang" is accompanied while spraying the water column, that is, an air explosion fountain with numerically controlled adjustable spraying height and spraying time is formed.

[0015] Preferably, the tail end of the exhaust pipe is connected to a mine water tank, and holes communicating with the outside are provided on the mine water tank, and external water automatically enters the mine water tank through the holes; when it is necessary to release the pressure in the water storage tank, the electromagnetic valve below the nozzle is closed, and the exhaust solenoid valve is opened, and the air pressure instantly pushes the water in the mine water tank out of the water surface, forming a water bomb effect while exhausting air.

[0016] Preferably, both the nozzle and the electromagnetic valve provided at the tail end of the water outlet pipe are multiple, and each electromagnetic valve controls the corresponding nozzle; the multiple nozzles can be selected from thick nozzles, thin nozzles, flower nozzles, etc., and the electromagnetic valve below the corresponding nozzle is opened according to the desired spraying effect.

[0017] Preferably, pressure relief valves for releasing pressure during maintenance are provided at the bottoms of both the energy storage air tank and the water storage tank.

[0018] A water spraying method for a fountain using a numerically controlled pneumatic power water pump. An ejector head is installed at the tail of the water outlet pipe of the numerically controlled pneumatic power water pump, that is, the ejector head also extends out of the water surface, and a solenoid valve is installed below the ejector head; an exhaust pipe is provided at the upper part of the water storage tank, an exhaust solenoid valve is provided on the exhaust pipe, and a water mine water tank with holes on the side wall is installed at the tail end of the exhaust pipe; after high-pressure gas enters the water storage tank through the numerically controlled stepless pneumatic valve, when the water in the water storage tank is completely ejected by the ejector head under pressure, the pressure of the ejector head and the water storage tank is equal to the external air pressure, and the water pressure outside the water storage tank forms a negative pressure on the inside of the water storage tank, sucking the water outside the water storage tank into the water storage tank through the check valve, and circulating water intake and spraying in this way; if the solenoid valve of the ejector head of the water storage tank is opened and the water pressure is not completely ejected by the ejector head or even not ejected, the exhaust solenoid valve is started, and the air pressure instantly pushes the water in the water mine water tank out of the water surface, and the water type is switched to form a water bomb effect; the controller controls the change in the air flow rate of the high-pressure gas entering the water storage tank per unit time by controlling the change in the diameter of the numerically controlled stepless pneumatic valve, and the water in the water storage tank is ejected by the ejector head under pressure, thereby forming an air explosion fountain with a continuously variable height of the sprayed water column.

[0019] The beneficial effects of the present invention compared with the prior art: It directly replaces the existing water pump. While saving energy, it is also safer. Moreover, by controlling the change in the diameter of the numerically controlled stepless pneumatic valve, the change in the air flow rate entering the water circuit system per unit time is controlled to control the change in the water flow rate ejected from the water outlet pipe, effectively solving the defect that the motor water pump needs to change the power, voltage, etc. to achieve the change in the water flow rate ejected, greatly reducing the cost and saving a large amount of energy consumption; moreover, the fountain using this water pump directly replaces the existing water pump, uses a 24V safety voltage, and uses air pressure to make the spraying height and flow rate far exceed those of the fountains using the existing water pump at present. It can eject a higher water column height on the premise of ensuring electrical safety and low energy consumption, and can also realize the dynamic change of the spraying height.

[0020] Further beneficial effects: First, an electromagnetic valve is added under the nozzle. In this way, when high-pressure gas enters the water storage tank, it is blocked by the electromagnetic valve. When the electromagnetic valve is opened, a "bang" explosion sound is accompanied while spraying a water column, that is, an air explosion fountain with numerically controlled adjustable spraying height and spraying time is formed. Thus, when the electromagnetic valve is always open, a fountain with numerically controlled adjustable water column height is formed. When the electromagnetic valve is closed and then opened, an air explosion fountain with numerically controlled adjustable water column height is formed again, increasing the diversification of the water patterns of the fountain. Second, the design of the exhaust pipe and the exhaust electromagnetic valve. When the electromagnetic valve of the nozzle is in the open state and the water is not completely sprayed out or even not sprayed out under pressure, it indicates that the gas proportion in the water storage tank is greater than that of the water. At this time, the electromagnetic valve is closed, and then the exhaust electromagnetic valve is started. The air pressure instantly pushes the water in the water storage tank out of the water surface, and the water pattern is switched to form the effect of a water bomb. In this way, a fountain with the effect of a water bomb can be performed while exhausting, and the diversification of the water patterns of the fountain is increased. Third, the design of multiple groups of nozzles and electromagnetic valves. Each electromagnetic valve controls the corresponding nozzle. These nozzles can be selected as thick nozzles, thin nozzles, flower nozzles, etc. To achieve a certain spraying effect, the electromagnetic valve under the corresponding nozzle is opened, greatly increasing the diversification of the water patterns sprayed by the fountain and making it more spectacular and magnificent. Brief Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the numerically controlled pneumatic power water pump of the present invention;

[0022] Figure 2 is a schematic structural diagram of a fountain using the numerically controlled pneumatic power water pump of the present invention;

[0023] Figure 3 is a schematic structural diagram of another implementation of a fountain using the numerically controlled pneumatic power water pump;

[0024] Figure 4 is a schematic structural diagram of a numerically controlled stepless pneumatic valve;

[0025] Figure 5 is an exploded structural diagram of the spacer and the valve plate in the numerically controlled stepless pneumatic valve. Detailed Description of the Invention

[0026] In order to make the technical solution of the present invention clearer, the following is a detailed description of the present invention in conjunction with the attached Figures 1 to 5 , which is only for explaining the present invention and not for limiting the protection scope of the present invention.

[0027] Example 1: Refer to the attached Figure 1. A numerically controlled pneumatic power water pump, which includes a water circuit system 200, a gas circuit system 100, a controller, a numerically controlled stepless pneumatic valve 2, and a check valve 4; the water circuit system 200 is arranged underwater and consists of a water storage tank 3 and a water outlet pipe 5. One end of the water outlet pipe 5 extends into the water storage tank 3, and the other end extends out of the water surface; the gas circuit system 100 consists of a high-pressure gas source and an energy storage gas tank 1 connected to the high-pressure gas source by a gas circuit. The high-pressure gas in the high-pressure gas source enters the energy storage gas tank 1 through an air inlet pipe 11, and the high-pressure gas in the energy storage gas tank 1 enters the water circuit system 200 through the numerically controlled stepless pneumatic valve 2, pressing the water pressure in the water circuit system 200 into the water outlet pipe 5 and spraying it out; the numerically controlled stepless pneumatic valve 2 is controlled by the controller to change the size of the orifice, thereby controlling the change in the gas flow rate entering the water circuit system per unit time; the check valve 4 is arranged at the water inlet 41 of the water circuit system 200. When the water outlet pipe 5 is pressed to spray water, the check valve 4 opens due to the negative pressure in the water storage tank 3 to form automatic water intake. Specifically, the high-pressure gas enters the water storage tank 3, and the water in the water storage tank 3 is pressed out by the water outlet pipe 5. While spraying, a negative pressure is formed in the water storage tank 3, and the check valve 4 opens under the influence of the negative pressure, forming automatic water intake at the water inlet 41. In this way, the numerically controlled pneumatic power water pump directly replaces the existing motor water pump, which is energy-saving and safer. Moreover, by changing the size of the orifice of the numerically controlled stepless pneumatic valve, the change in the gas flow rate entering the water circuit system per unit time is controlled to control the change in the water flow rate sprayed out by the water outlet pipe, effectively solving the defect that the motor water pump needs to change the power, voltage, etc. to achieve the change in the water flow rate sprayed out, greatly reducing the cost and saving a large amount of energy consumption.

[0028] Refer to the appendix Figure 4 , 5 . The above-mentioned numerically controlled stepless pneumatic valve 2 includes a cavity 20, a partition 22 that divides the cavity 20 into two halves, and a valve plate 23 hinged at the center of the partition 22; a strip-shaped hole 220 is opened on the partition 22, and the valve plate 23 gradually covers and closes the strip-shaped hole 220 when rotating; the valve plate 23 is driven to rotate by an underwater numerically controlled motor 24, and the underwater numerically controlled motor 24 is controlled by the controller; specifically, the valve body 21 has an air inlet 27 and an air outlet 28. The cavity in the valve body 21 connecting the air inlet 27 and the air outlet 28 is divided into two cavities by the partition 22, and a strip-shaped hole 220 connecting the two cavities is opened on the partition 22. The valve plate 23 is driven to rotate by a rotating shaft 26 driven by the underwater numerically controlled motor 14. When the valve plate 23 rotates, it covers or opens the strip-shaped hole 220 to achieve stepless adjustment control of the high-pressure gas; the controller is a prior art and can be a DMX controller (such as model MA2), a DMX512 controller, a PLC controller (such as model S7-200), or a CAN controller, etc.; pressure relief valves are provided at the bottoms of both the energy storage gas tank 1 and the water storage tank; an exhaust pipe and an exhaust solenoid valve provided on the exhaust pipe are provided at the upper part of the water storage tank.

[0029] Example 2: Refer to the appendixFigure 2 。A fountain using the numerically controlled pneumatic power water pump described in Embodiment 1, wherein the end of the water outlet pipe 5 in the water storage tank 3 extending out of the water surface is provided with a nozzle 6; pressure relief valves 10 for releasing pressure during maintenance are provided at the bottoms of the energy storage air tank 1 and the water storage tank 3; an exhaust pipe 70 for exhausting air is provided at the upper part of the water storage tank 3, and an exhaust solenoid valve 7 is provided on the exhaust pipe 70. In this way, when the air proportion in the water storage tank 3 is large to a certain extent and the water spraying amount per unit time is not ideal, the exhaust solenoid valve 7 can be opened to release the air pressure in the water storage tank; the high-pressure gas in the energy storage air tank 1 enters the water storage tank 3 through the numerically controlled stepless pneumatic valve 2, and the water pressure in the water storage tank 3 is pressed into the water outlet pipe 5 and sprayed out as a water column by the nozzle 6. The controller controls the dynamic height change and spraying time length of the sprayed water column by adjusting the change of the aperture size of the numerically controlled stepless pneumatic valve, that is, a numerically controlled adjustable dynamic change fountain is formed.

[0030] A more preferred solution is that an electromagnetic valve 9 is also provided at the connection between the water outlet pipe and the nozzle. By turning on and off the electromagnetic valve 9, an "explosion" sound accompanies the spraying of the water column, that is, an air explosion fountain with numerically controlled adjustable spraying height and spraying time is formed, increasing the diversification of the water patterns of the fountain.

[0031] A more preferred solution is that a mine water tank 8 is connected to the tail end of the above exhaust pipe 70, and the mine water tank 8 is provided with holes communicating with the outside, and external water automatically enters the mine water tank 8 through the holes; when it is necessary to release the pressure in the water storage tank 3, the electromagnetic valve 9 below the nozzle 6 is closed, and the exhaust solenoid valve 7 is opened. The air pressure instantly pushes the water in the mine water tank 8 out of the water surface, forming a water bomb effect while exhausting air. That is, when the electromagnetic valve 9 of the nozzle 6 is opened and the water is pressed by the pressure and is not completely sprayed out or even not sprayed out by the nozzle 6, the electromagnetic valve 9 is closed, and then the exhaust solenoid valve 7 is started. The air pressure instantly pushes the water in the mine water tank 8 out of the water surface, and the water pattern is switched to form a water bomb effect. In this way, a fountain with a water bomb effect can be performed while exhausting air, increasing the diversification of the water patterns of the fountain.

[0032] Refer to the attached Figure 3 。As a more preferred solution, both the nozzle 6 and the electromagnetic valve 9 provided at the tail end of the water outlet pipe 5 are multiple, and each electromagnetic valve 9 controls the corresponding nozzle 6; the multiple nozzles 6 can be selected as thick nozzles, thin nozzles, flower nozzles, etc. To achieve what kind of spraying effect, just select the electromagnetic valve 9 below the corresponding nozzle 6 to open, greatly increasing the diversification of the water patterns sprayed by the fountain and making it more spectacular and magnificent.

[0033] The water spraying method of the fountain using the above-mentioned numerically controlled pneumatic power water pump is to install a nozzle 6 at the tail of the water outlet pipe 5 of the numerically controlled pneumatic power water pump, that is, the nozzle 6 also extends out of the water surface, and a solenoid valve 9 is installed below the nozzle 6; an exhaust pipe 70 is provided at the upper part of the water storage tank 3, an exhaust solenoid valve 7 is provided on the exhaust pipe 70, and a mine water tank 8 with holes on the side wall is installed at the tail end of the exhaust pipe 70; after the high-pressure gas enters the water storage tank 3 through the numerically controlled stepless pneumatic valve 2, when the water in the water storage tank 3 is completely ejected by the nozzle 6 under pressure, the pressure of the nozzle 6 and the water storage tank 3 is equal to the external air pressure, and the water pressure outside the water storage tank 3 forms a negative pressure inside the water storage tank 3, sucking the water outside the water storage tank 3 into the water storage tank 3 through the check valve 4, so as to circulate water intake and spraying; if the solenoid valve 9 of the nozzle of the water storage tank 3 is opened, the water pressure is not completely ejected by the nozzle 6, or even not ejected, the exhaust solenoid valve 7 is started, and the air pressure instantly pushes the water in the mine water tank 8 out of the water surface, and the water type is switched to form the water bomb effect; the controller controls the change of the air flow rate of the high-pressure gas entering the water storage tank 3 per unit time by controlling the change of the diameter of the numerically controlled stepless pneumatic valve 2, and the water in the water storage tank 3 is ejected by the nozzle 6 under pressure, thereby forming an air explosion fountain with stepless change in the height of the ejected water column.

Claims

1. A fountain, characterized in that: it includes a water circuit system (200), an air circuit system (100), a controller, a numerically controlled stepless pneumatic valve (2), and a check valve (4); the controller is a DMX controller, a PLC controller or a CAN controller; the water circuit system (200) is arranged underwater and is composed of a water storage tank (3) and a water outlet pipe (5), one end of the water outlet pipe (5) extends into the water storage tank (3), and the other end extends out of the water surface; the air circuit system (100) is composed of a high-pressure air source and an energy storage air tank (1) connected to the high-pressure air source by an air circuit, and the high-pressure gas in the energy storage air tank (1) enters the water circuit system (200) through the numerically controlled stepless pneumatic valve (2), presses the water pressure in the water circuit system (200) into the water outlet pipe (5) and sprays it out; pressure relief valves (10) are provided at the bottoms of both the energy storage air tank (1) and the water storage tank (3); an exhaust pipe (70) is provided at the upper part of the water storage tank (3) and an exhaust solenoid valve (7) is provided on the exhaust pipe (70); the numerically controlled stepless pneumatic valve (2) includes a cavity (20), a partition (22) that divides the cavity (20) into two halves, and a valve plate (23) hinged at the center of the partition (22); a strip-shaped hole (220) is opened on the partition (22), and when the valve plate (23) rotates, it gradually covers and closes the strip-shaped hole (220); the valve plate (23) is driven to rotate by an underwater numerically controlled motor (24), and the underwater numerically controlled motor (24) is controlled by the controller; the numerically controlled stepless pneumatic valve (2) is controlled by the controller to change the size of the orifice, thereby controlling the change in the air flow rate entering the water circuit system (200) per unit time; the check valve (4) is arranged at the water inlet (41) of the water circuit system (200), that is, when the water outlet pipe (5) is pressed to spray water, the check valve (4) opens due to the negative pressure in the water storage tank (3) to form automatic water inlet; a nozzle (6) is provided at the end of the water outlet pipe (5) extending out of the water surface in the water storage tank (3); an exhaust pipe (70) for exhausting gas is provided at the upper part of the water storage tank (3), and an exhaust solenoid valve (7) is provided on the exhaust pipe (70); the high-pressure gas in the energy storage air tank (1) enters the water storage tank (3) through the numerically controlled stepless pneumatic valve (2), presses the water pressure in the water storage tank (3) into the water outlet pipe (5) and sprays out a water column from the nozzle (6). The controller controls the change in the size of the orifice of the numerically controlled stepless pneumatic valve (2), controls the change in the air flow rate entering the water circuit system (200) per unit time, and further controls the dynamic height change and spraying time length of the sprayed water column, that is, a numerically controlled adjustable dynamic change fountain is formed.

2. The fountain according to claim 1, characterized in that: the controller is a DMX512 controller; an electromagnetic valve (9) is further provided at the connection between the water outlet pipe (5) and the nozzle (6), and by opening and closing the electromagnetic valve (9), a "bang" explosion sound is accompanied while spraying the water column, that is, an air explosion fountain with numerically controlled adjustable spraying height and spraying time is formed.

3. The fountain according to claim 2, characterized in that: The tail end of the exhaust pipe (70) is connected to the mine water tank (8). The mine water tank (8) is provided with holes communicating with the outside, and external water automatically enters the mine water tank (8) through the holes. When it is necessary to release the pressure in the water storage tank (3), the solenoid valve (9) below the nozzle (6) is closed, and the exhaust solenoid valve (7) is opened. The air pressure instantly pushes the water in the mine water tank (8) out of the water surface, and at the same time of exhausting, a water bomb effect is formed.

4. The fountain according to claim 3, characterized in that: Both the nozzle (6) and the solenoid valve (9) provided at the tail end of the water outlet pipe (5) are multiple. Each solenoid valve (9) controls the corresponding nozzle (6). The multiple nozzles (6) can be thick nozzles, thin nozzles or flower nozzles.

5. The fountain according to any one of claims 1-4, characterized in that: Pressure relief valves (10) for releasing pressure during maintenance are provided at the bottoms of the energy storage air tank (1) and the water storage tank (3).

6. A water spraying method for a fountain, characterized in that: A nozzle (6) is installed at the tail of the water outlet pipe (5) described in claim 1, that is, the nozzle (6) also extends out of the water surface, and a solenoid valve (9) is installed below the nozzle (6). An exhaust pipe (70) is provided at the upper part of the water storage tank (3). An exhaust solenoid valve (7) is provided on the exhaust pipe (70). A mine water tank (8) with holes on the side wall is installed at the tail end of the exhaust pipe (70). After the high-pressure gas enters the water storage tank (3) through the numerically controlled stepless pneumatic valve (2), when the water in the water storage tank (3) is pressed and completely sprayed out by the nozzle (6), the pressure of the nozzle (6) and the water storage tank (3) is equal to the external air pressure. The water pressure outside the water storage tank (3) forms a negative pressure on the water storage tank (3), and the water outside the water storage tank (3) is sucked into the water storage tank (3) through the check valve (4), so that the water intake and spraying are circulated. If the solenoid valve (9) of the nozzle (6) on the water storage tank (3) is opened, the water pressure is not completely sprayed out by the nozzle (6), or even not sprayed out at all. The exhaust solenoid valve (7) is started, and the air pressure instantly pushes the water in the mine water tank (8) out of the water surface, and the water type is switched to form a water bomb effect. The controller controls the change of the aperture of the numerically controlled stepless pneumatic valve (2) to control the change of the air flow rate of the high-pressure gas entering the water storage tank (3) per unit time. The water in the water storage tank (3) is pressed and sprayed out by the nozzle (6), thereby forming an air explosion fountain with continuously variable height of the sprayed water column.

Images