Oxygen increasing machine with protection structure

Abstract

The application discloses a kind of oxygen-increasing machines with protective structure, it is related to oxygen-increasing machine technical field, including the lower casing of rotor being installed inside, along the top center position of lower casing is sequentially provided with mechanical seal seat, direct connecting piece and drive cover upwards respectively, direct connecting piece is umbrella-shaped circular table structure and is made of mounting box and connecting shaft, wherein connecting shaft is coaxially arranged at the bottom of mounting box and is integrally formed with mounting box, mechanical seal seat is axially inserted into the bottom of connecting shaft, and drive cover is invertedly covered and installed on the top of mounting box;Integrated circuit board is installed in the position close to top wall inside drive cover, frequency conversion communication stick and junction box are installed on the edge of mounting box, the bottom of mounting box has air extraction valve, the application can improve the heat dissipation of electronic components and reduce the oxidation of air to electronic components, thereby improving the service life of electronic components, and can realize timing opening and control oxygen-increasing, guarantee the oxygen-increasing efficiency of large-scale breeding area.

Description

Technical Field

[0001] This invention relates to the field of aerator technology, specifically an aerator with a protective structure. Background Technology

[0002] Impeller aerators are a type of traditional aerator used in aquaculture. Their main function is to increase the oxygen content in the water by rotating a deep-water impeller driven by a motor, ensuring that fish do not suffer from oxygen deficiency. They also inhibit the growth of anaerobic bacteria in the water, preventing water quality deterioration that could threaten the fish's habitat. Impeller aerators generally consist of an upper drive cover and a lower motor. The drive cover houses numerous electronic components. Because the aerator is submerged for extended periods, moisture can easily enter, accelerating the rusting and oxidation of these components. Gaps between the motor wiring harness and the drive cover also contribute to this problem, making subsequent maintenance and repair difficult. Furthermore, for large-scale aquaculture areas, the ability to automatically activate the aeration system at set times is crucial. Summary of the Invention

[0003] Therefore, in order to solve the above problems and shortcomings, the present invention provides an aerator with a protective structure, including a lower casing in which a rotor is installed. A mechanical seal seat, a direct connector, and a drive cover are arranged sequentially upward from the center of the top of the lower casing. The direct connector has an umbrella-shaped frustum structure and is composed of a mounting box and a connecting shaft. The connecting shaft is coaxially disposed at the bottom of the mounting box and integrally formed with the mounting box. The mechanical seal seat is axially inserted into the bottom of the connecting shaft. The drive cover is upside down and installed on the top of the mounting box. An integrated circuit board is installed inside the drive cover near the top wall. A frequency conversion communication rod and a junction box are installed on the edge of the mounting box. An air extraction valve is located at the bottom of the mounting box.

[0004] Furthermore, the drive cover edge is connected to the mounting box by screws, and a mounting sealing ring is placed between the drive cover screws and the mounting box to improve the sealing effect between the drive cover and the mounting box.

[0005] Furthermore, a retaining ring is installed at the end of the mechanical seal seat with an interference fit, and the mechanical seal seat is locked and fixed to the mounting box by the retaining ring. A wire harness plug and a motor wire are embedded downward along the top of the mechanical seal seat. The wire harness plug is kept in a sealed connection with the mechanical seal seat by elastic support. The motor wire passes through the wire harness plug and is connected to the rotor and the junction box at both ends respectively. A copper cap is nested at the end of the mechanical seal seat.

[0006] Furthermore, a sealing ring is nested at the center of the mechanical seal seat to improve the sealing effect between the mechanical seal seat and the connecting shaft.

[0007] Furthermore, the drive cover is formed by stamping a thermally conductive aluminum plate, which can improve the heat dissipation effect of the integrated circuit board.

[0008] Furthermore, the frequency converter communication stick maintains an electrical connection with the junction box, and both have wiring holes at their bottoms. The junction box wiring holes are used to connect power lines and ground wires, while the frequency converter communication stick wiring holes are used to connect communication lines and communication line connectors.

[0009] Furthermore, the side of the mounting box has three equidistant connection holes for connecting the float rod.

[0010] Furthermore, the mechanical seal seat maintains a clearance fit with the connecting shaft and is connected to the bottom end of the connecting shaft via a cap to ensure a stable connection of the mechanical seal seat.

[0011] The beneficial effects of this invention can be specifically analyzed as follows: Advantage 1: In this application, a vacuum pump can be connected to an air extraction valve, and then nitrogen can be injected to vent the air in the drive cover and direct connection, thereby reducing the oxidation of electronic components, especially circuit boards, by air. At the same time, the electronic components can be effectively cooled through the drive cover, thereby improving the service life of the electronic components and effectively extending the maintenance period.

[0012] Advantage 2: In this application, the motor can be remotely started, stopped and its direction switched by writing to the control register. In addition, there is a communication cable docking plug in addition to the frequency converter communication rod, which can use a mobile APP to control the aerator's operating data. In this way, the aeration can be turned on and controlled at a time through the mobile phone, thereby effectively improving the aeration efficiency of a large-scale breeding area. Attached Figure Description

[0013] Figure 1 This is an overall schematic diagram of the aerator with protective structure of the present invention; Figure 2 This is the present invention. Figure 1 Top view; Figure 3 This is the present invention. Figure 1 Side view; Figure 4 This is the present invention. Figure 1 A longitudinal section diagram; Figure 5 This is the present invention. Figure 4 An enlarged schematic diagram of part A in the middle; Reference numerals: 1. Drive cover; 101. Heat-conducting aluminum plate; 102. Integrated circuit board; 103. Mounting seal ring; 2. Lower housing; 3. Direct connector; 301. Mounting box; 302. Connecting shaft; 303. Connecting hole; 4. Frequency converter communication rod; 5. Junction box; 6. Mechanical seal seat; 601. Motor wire; 602. Copper cap; 603. Retaining ring; 604. Wire harness rubber plug; 7. Sealing ring; 8. Air extraction valve. Detailed Implementation

[0014] The present invention will now be described in detail with reference to the accompanying drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Throughout the invention, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. It should be understood that ordinal numbers and directional descriptions, such as "first," "second," "third," "upper," "lower," "left," and "right," are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this invention, unless otherwise explicitly specified and limited, the terms "connected" or "linked" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium, and therefore should not be construed as limiting the invention.

[0015] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Please refer to the accompanying drawings. Figure 1-5 As shown, the aerator with a protective structure provided in this application includes a lower housing 2 with a rotor installed inside. The lower housing 2 is integrally welded and has a hub-type rotor inside. A mechanical seal seat 6, a direct connector 3, and a drive cover 1 are arranged sequentially upward from the center of the top of the lower housing 2. The direct connector 3 has an umbrella-shaped frustum structure and is composed of a mounting box 301 and a connecting shaft 302. The connecting shaft 302 is coaxially arranged at the bottom of the mounting box 301 and integrally formed with the mounting box 301. The mechanical seal seat 6 is axially inserted into the bottom of the connecting shaft 302. The drive cover 1 is upside down and installed on the top of the mounting box 301. An integrated circuit board 102 is installed inside the drive cover 1 near the top wall. A frequency converter communication rod 4 and a junction box 5 are installed on the edge of the mounting box 301. The bottom of the mounting box 301 has a vacuum valve 8. The vacuum valve 8 is opened and locked by a sealing bolt. The vacuum pump is connected to the vacuum valve 8 and first evacuated to a vacuum degree of -0.08MPa. Then, 99.9% nitrogen is filled in to maintain a slightly positive pressure state, so that the air in the drive cover 1 and the direct connection 3 is evacuated, thereby reducing the degree of oxidation of electronic components, especially circuit boards, and thus improving the service life of electronic components and effectively extending the maintenance period.

[0016] Please refer to Figure 1-3As shown, the edge of the drive cover 1 is connected to the mounting box 301 by stainless steel screws. A mounting sealing ring 103 is placed between the inner side of the screws on the drive cover 1 and the mounting box 301 to improve the sealing effect between the drive cover 1 and the mounting box 301. The drive cover 1 is stamped from a heat-conducting aluminum plate 101, which can improve the heat dissipation effect of the integrated circuit board 102.

[0017] Based on the above description, the screws for fixing the drive cover 1 are made of stainless steel. At the same time, the installation of the sealing ring 103 can improve the waterproof seal between the drive cover 1 and the mounting box 301. Meanwhile, the heat generated by the integrated circuit board 102 can be fully dissipated through the heat-conducting aluminum plate 101.

[0018] Please refer to Figure 4-5 As shown, a retaining ring 603 is interference-fitted to the end of the mechanical seal seat 6, and the mechanical seal seat 6 is locked and fixed to the mounting box 301 by the retaining ring 603. A wire harness plug 604 and a motor wire 601 are embedded downward along the top of the mechanical seal seat 6. The wire harness plug 604 is elastically supported and sealed to the mechanical seal seat 6. The motor wire 601 passes through the wire harness plug 604 and its two ends are respectively connected to the rotor and the junction box 5. A copper cap 602 is nested at the end of the mechanical seal seat 6. A sealing ring 7 is nested at the center of the mechanical seal seat 6 to improve the sealing effect between the mechanical seal seat 6 and the connecting shaft 302.

[0019] Based on the above description, the mechanical seal seat 6 serves as a carrier connecting the motor and control components. It adopts an embedded clearance fit with the connecting shaft 302 and is connected to the bottom end of the connecting shaft 302 through a cover. The inner side of the cover also has a rubber gasket, which has a waterproof effect. At the same time, a sealing ring 7 is nested in the center of the mechanical seal seat 6 to further prevent moisture from entering the drive cover 1. The elastic material of the wire harness plug 604 has good sealing performance, which can only ensure that the motor wire 601 can pass through. At the same time, the end of the wire harness plug 604 is sealed by the copper cap 602, and is stable with the retaining ring 603. The motor wire 601 (three-phase wire) passes through the wire harness plug 604 and the mechanical seal seat 1 and is connected to the rotor. The other end of the motor wire 601 is connected to the junction box 5 for connecting to the external power supply.

[0020] like Figure 1-2 As shown, the frequency converter communication rod 4 and the junction box 5 are electrically connected, and both have wiring holes at their bottom. The wiring holes of the junction box 5 are used to connect the power cord and the ground wire, and the wiring holes of the frequency converter communication rod 4 are used to connect the communication line and the communication line connector. The housings of the frequency converter communication rod 4 and the junction box 5 are also designed in this way, and the wire harness connector is designed with IP67 waterproof rating, which facilitates installation and wiring.

[0021] It should be further explained that the control chip of the frequency converter communication rod 4 is located on the integrated circuit board 102. The frequency converter inside the frequency converter communication rod 4 is connected to the junction box 5 through wires. The core principle of the frequency converter communication rod 4 in controlling the motor is to adjust the output frequency and voltage of the frequency converter through a digital communication protocol, thereby achieving precise control of the motor speed. Remote start-stop and direction switching of the motor are achieved by writing to the control register. In addition, in this application, there is also a communication line docking plug outside the frequency converter communication rod 4, which can use a mobile APP to connect to the network and control the aerator's operating data. In this way, the aeration can be turned on and controlled at a set time through the mobile phone, thereby effectively improving the aeration efficiency of a large-scale breeding area.

[0022] The mounting box 301 has three equidistant connection holes 303 on its side for connecting the float rod. The connection holes 303 are used to fix the bracket. A float ball is placed at each of the three ends of the bracket to maintain balance. The power cord can be guided through the bracket to prevent tangling.

[0023] In summary, the aerator with a protective structure of this invention can improve the heat dissipation of electronic components and reduce the oxidation of electronic components by air, thereby increasing the service life of electronic components. Moreover, it can realize timed start-up and controlled aeration, ensuring the aeration efficiency of large-scale breeding areas.

[0024] The above are merely embodiments of the present invention. Common knowledge such as specific structures and characteristics in the solutions are not described in detail here. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention. These should also be considered within the scope of protection of the present invention, and they will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An aerator with a protective structure, comprising a lower casing (2) in which a rotor is internally installed, characterized in that: A mechanical seal seat (6), a direct connector (3), and a drive cover (1) are arranged sequentially upwards from the top center of the lower housing (2). The direct connector (3) has an umbrella-shaped frustum structure and is composed of a mounting box (301) and a connecting shaft (302). The connecting shaft (302) is coaxially arranged at the bottom of the mounting box (301) and integrally formed with the mounting box (301). The mechanical seal seat (6) is axially inserted into the bottom of the connecting shaft (302). The drive cover (1) is upside down and installed on the top of the mounting box (301). An integrated circuit board (102) is installed inside the drive cover (1) close to the top wall. A frequency converter communication rod (4) and a junction box (5) are installed on the edge of the mounting box (301). The bottom of the mounting box (301) has an air extraction valve (8).

2. The aerator with a protective structure according to claim 1, characterized in that: The edge of the drive cover (1) is connected to the mounting box (301) by screws, and a mounting sealing ring (103) is placed between the inner side of the screws of the drive cover (1) and the mounting box (301).

3. An aerator with a protective structure according to claim 1, characterized in that: The mechanical seal seat (6) is fitted with a retaining ring (603) at the end, and the mechanical seal seat (6) is locked and fixed to the mounting box (301) by the retaining ring (603). A wire harness plug (604) and a motor wire (601) are embedded downward along the top of the mechanical seal seat (6). The wire harness plug (604) is kept sealed to the mechanical seal seat (6) by elastic support. The motor wire (601) passes through the wire harness plug (604) and its two ends are respectively connected to the rotor and the junction box (5). A copper cap (602) is nested at the end of the mechanical seal seat (6).

4. An aerator with a protective structure according to claim 1, characterized in that: A sealing ring (7) is nested at the center of the mechanical seal seat (6).

5. An aerator with a protective structure according to claim 1, characterized in that: The drive cover (1) is formed by stamping a heat-conducting aluminum plate (101).

6. An aerator with a protective structure according to claim 1, characterized in that: The frequency conversion communication rod (4) is electrically connected to the junction box (5).

7. An aerator with a protective structure according to claim 1, characterized in that: The mounting box (301) has three equidistant connection holes (303) on its side.

8. An aerator with a protective structure according to claim 1, characterized in that: The mechanical seal seat (6) maintains a clearance fit with the connecting shaft (302) and is connected to the bottom end of the connecting shaft (302) through a cover.

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