Maintenance-free dissolved oxygen automatic control device for aquaculture

Abstract

The utility model relates to an aquaculture maintenance-free dissolved oxygen automatic control device which comprises a shell, a water pump and a control terminal, a water passing channel penetrating through the shell is arranged on the shell in the horizontal direction, the water pump is installed at the water inlet end of the water passing channel, and a final-stage filtering unit is installed at the water outlet end of the water passing channel. A primary filtering unit is mounted at a water inlet of the water pump; a detection sterilization channel is arranged in the vertical direction of the shell and communicated with the water passing channel, a detection unit is installed at the upper end of the detection sterilization channel, and a sterilization unit is installed at the lower end of the detection sterilization channel. The utility model has the advantages that the ultraviolet lamp continuously irradiates the surfaces of the probe membrane and the super-hydrophobic membrane to kill bacteria attached to the surfaces of the probe membrane and the super-hydrophobic membrane.

Description

Technical Field

[0001] The utility model relates to a maintenance-free dissolved oxygen automatic control device for aquaculture, belonging to the field. Background Art

[0002] Dissolved oxygen is an important water quality indicator for fishery water. The dissolved oxygen status has a significant impact on water quality and the growth of aquaculture organisms. With the rapid development of pond aquaculture, pond dissolved oxygen has received more and more attention as a water environment factor that must be controlled in aquaculture waters. At present, most pond dissolved oxygen is measured at fixed times and fixed points, and the identification of dynamic changes in dissolved oxygen is mainly based on the observation of changes in the activities of aquaculture organisms in the pond by aquaculture managers.

[0003] When monitoring dissolved oxygen, it is usually done by using dissolved oxygen detection probes. However, during long-term contact with water quality, the dissolved oxygen detection probes are easily covered by fungi, microorganisms and algae in the breeding environment, which affects the accuracy of detection and has poor self-cleaning ability.

[0004] For example, the Chinese patent authorization publication number: CN202680251U discloses an aquaculture water oxygenation device, including an aeration container and a culture container, wherein the aeration container and the culture container are connected to the water inlet pipe through a return pipe, the aeration container is filled with oxygen, the pipe opening of the water inlet pipe entering the aeration container has a spray structure and / or a mist spray structure, the return pipe has a communicating vessel structure and forms a liquid seal for the oxygen in the aeration container by collecting water, and the water in the culture container is pumped into the aeration container by a water pump, and then oxygenated by spraying, and then flows back to the culture container through the return pipe. The disadvantage is that it cannot dynamically increase oxygen in real time. Utility Model Content

[0005] In order to overcome the defects of the prior art, the utility model provides a maintenance-free dissolved oxygen automatic control device for aquaculture. The technical solution of the utility model is:

[0006] A maintenance-free dissolved oxygen automatic control device for aquaculture comprises a shell, a water pump and a control terminal. A water passage penetrating the shell is arranged on the shell in the horizontal direction, a water pump is installed at the water inlet end of the water passage, a final filter unit is installed at the water outlet end, and a primary filter unit is installed at the water inlet of the water pump; a detection and sterilization channel is arranged along the vertical direction of the shell, the detection and sterilization channel is communicated with the water passage, a detection unit is installed at the upper end of the detection and sterilization channel, and a sterilization unit is installed at the lower end; the detection unit comprises a dissolved oxygen detection probe and a super-hydrophobic membrane, an installation area for fixing the dissolved oxygen detection probe is arranged on the shell, the probe membrane of the dissolved oxygen detection probe extends to the water passage, a layer of the super-hydrophobic membrane is compounded on the probe membrane, and the water outlet of the water pump corresponds to the super-hydrophobic membrane; the water pump and the sterilization unit are both connected to the control terminal.

[0007] It also includes an aerator for oxygenating the water body, and the aerator and the dissolved oxygen detection probe are both connected to the control terminal; when the dissolved oxygen detection probe detects that the dissolved oxygen in the water body is lower than a preset lower limit value, the control terminal controls the aerator to turn on, and when it exceeds the preset upper limit value, the control terminal controls the aerator to turn off.

[0008] The primary filtering unit and the final filtering unit are both filtering nets.

[0009] The sterilization unit comprises an ultraviolet lamp and an ultraviolet lamp fixing seat. The ultraviolet lamp is installed on the housing through the ultraviolet lamp fixing seat, and the ultraviolet lamp corresponds to the super-hydrophobic film.

[0010] The detection and sterilization channel includes an upper cavity and a lower cavity. The upper cavity is connected to the outside. The lower cavity is formed at the lower part of the upper cavity. The cross section of the lower cavity is generally dumbbell-shaped with a narrow middle and wide sides.

[0011] The super hydrophobic film is a polymer resin film, which is one of an acrylic film, a polytetrafluoroethylene film or a carbon nanotube film.

[0012] The irradiation intensity of the ultraviolet lamp is not less than 30000μW / cm² and the power is above 5W.

[0013] The advantages of the utility model are: the ultraviolet lamp continuously irradiates the surface of the probe membrane and the super-hydrophobic membrane to eliminate the bacteria attached to the surface of the probe membrane and the super-hydrophobic membrane; during continuous underwater operation, the water pump pumps water through the filter net to flush the probe membrane and the surface of the super-hydrophobic membrane through the water channel, and synchronously exchanges water with the external water body. At the same time, an aerator is provided, which can perform real-time oxygenation based on the detection of the dissolved oxygen detection probe, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0015] Figure 2 The utility model is a schematic diagram of the connection relationship between the aerator, the dissolved oxygen detection probe and the control terminal. DETAILED DESCRIPTION

[0016] The present invention is further described below in conjunction with specific embodiments, and the advantages and features of the present invention will become clearer as the description proceeds. However, these embodiments are merely exemplary and do not constitute any limitation to the scope of the present invention. It should be understood by those skilled in the art that the details and forms of the technical solution of the present invention may be modified or replaced without departing from the spirit and scope of the present invention, but these modifications and replacements fall within the scope of protection of the present invention.

[0017] See also Figure 1 and Figure 2 The utility model relates to a maintenance-free dissolved oxygen automatic control device for aquaculture, comprising a shell 1, a water pump 2 and a control terminal 9. On the shell 1, a water passage penetrating the shell 1 is arranged in the horizontal direction, the water inlet end of the water passage is installed with the water pump 2, the water outlet end is installed with the final filter unit 8, and a primary filter unit 7 is installed at the water inlet of the water pump; the primary filter unit 7 and the final filter unit 8 are both filter nets, the primary filter unit 7 performs primary filtration on the water body, and the final filter unit 8 is used for secondary filtration; a detection and sterilization channel is arranged along the vertical direction of the shell 1, and the detection and sterilization channel is connected to the The water passage is connected, a detection unit is installed at the upper end of the detection and sterilization channel, and a sterilization unit is installed at the lower end; the detection unit includes a dissolved oxygen detection probe 11 (dissolved oxygen sensor) and a super-hydrophobic membrane 13, and an installation area 4 for fixing the dissolved oxygen detection probe 11 is provided on the shell 1, the probe membrane 12 of the dissolved oxygen detection probe 11 extends to the water passage, and a layer of the super-hydrophobic membrane 13 is compounded on the probe membrane 11, the water outlet of the water pump 2 corresponds to the super-hydrophobic membrane 13, and also corresponds to the probe membrane 11; the water pump 2 and the sterilization unit are both connected to the control terminal 9.

[0018] In order to increase the oxygen content of the water body, an aerator for oxygenating the water body is also included. The aerator 14 and the dissolved oxygen detection probe 11 are both connected to the control terminal 9; when the dissolved oxygen detection probe 11 detects that the dissolved oxygen in the water body is lower than the preset lower limit, the control terminal 9 controls the aerator 14 to turn on, and when it exceeds the preset upper limit, the control terminal 9 controls the aerator 14 to turn off. The aerator 14 is an impeller type. When working, the impeller rotates, stirs the water, generates water splashes, and relies on the centrifugal force generated by the rotation to diffuse the upper layer of water to the surrounding area, and the lower layer of water fills the gap to form a water up and down cycle. After the surface water with a higher oxygen content enters the bottom layer, the dissolved oxygen condition of the bottom water is effectively improved.

[0019] The sterilization unit comprises an ultraviolet lamp 5 and an ultraviolet lamp fixing seat 6 . The ultraviolet lamp 5 is mounted on the housing 1 via the ultraviolet lamp fixing seat 6 . The ultraviolet lamp 5 corresponds to the super-hydrophobic film 13 .

[0020] The detection and sterilization channel includes an upper cavity 15 and a lower cavity 16. The upper cavity 15 is connected to the outside. The lower cavity 16 is formed at the lower part of the upper cavity 15. The cross section of the lower cavity 16 is generally dumbbell-shaped with a narrow middle and wide sides.

[0021] The super-hydrophobic film 13 is a polymer resin film, which is one of an acrylic film, a polytetrafluoroethylene film or a carbon nanotube film.

[0022] The irradiation intensity of the ultraviolet lamp 5 is not less than 30000 μW / cm², and the power is above 5W.

[0023] The working principle of the utility model is:

[0024] To reduce the probability of attachment of objects to the probe, a super hydrophobic film is added to the surface of the probe membrane of the dissolved oxygen detection probe to improve the maintainability of the membrane.

[0025] When water passes through the water channel, it is irradiated by ultraviolet lamps. The ultraviolet lamp irradiation process can reduce the vitality of fungi, microorganisms, and algae, and even kill the surrounding microorganisms; when the ultraviolet light intensity is not less than 30000μW / cm² and the ultraviolet lamp power is above 5w, the ideal sterilization effect can be achieved.

[0026] The water pump is used to regularly flush the super-hydrophobic membrane and the probe surface, and works with the ultraviolet lamp to simultaneously reduce the invasion of external microorganisms, algae and other organisms, while flushing the fungi and algae killed by the ultraviolet lamp and discharging them out of the water channel.

[0027] The control terminal 9 is used to control the frequency and duration of the on and off between the water pump and the ultraviolet lamp. According to the attachment cycle of the attachment and the sterilization effect of the ultraviolet lamp, the cleaning frequency is set to be once every 3 hours, the cleaning time is 3-5 minutes, and the ultraviolet lamp is continuously working.

[0028] During operation, the ultraviolet lamp 5 continuously irradiates the probe membrane surface to kill bacteria attached to the probe membrane surface; during the continuous operation of the water body, the water pump 2 pumps water through the filter net to pass the water through the probe membrane 12 surface, and synchronously exchanges the water in the water channel.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A maintenance-free dissolved oxygen automatic control device for aquaculture, characterized in that: The invention comprises a shell, a water pump and a control terminal, wherein a water passage penetrating the shell is arranged in the horizontal direction, a water pump is installed at the water inlet end of the water passage, a final filter unit is installed at the water outlet end, and a primary filter unit is installed at the water inlet of the water pump; a detection and sterilization channel is arranged in the vertical direction of the shell, the detection and sterilization channel is connected with the water passage, a detection unit is installed at the upper end of the detection and sterilization channel, and a sterilization unit is installed at the lower end; the detection unit comprises a dissolved oxygen detection probe and a super-hydrophobic membrane, an installation area for fixing the dissolved oxygen detection probe is arranged on the shell, the probe membrane of the dissolved oxygen detection probe extends to the water passage, a layer of the super-hydrophobic membrane is compounded on the probe membrane, and the water outlet of the water pump corresponds to the super-hydrophobic membrane; the water pump and the sterilization unit are both connected to the control terminal.

2. A maintenance-free dissolved oxygen automatic control device for aquaculture according to claim 1, characterized in that: It also includes an aerator for oxygenating the water body, and the aerator and the dissolved oxygen detection probe are both connected to the control terminal; when the dissolved oxygen detection probe detects that the dissolved oxygen in the water body is lower than a preset lower limit value, the control terminal controls the aerator to turn on, and when it exceeds the preset upper limit value, the control terminal controls the aerator to turn off.

3. A maintenance-free dissolved oxygen automatic control device for aquaculture according to claim 1 or 2, characterized in that: The primary filtering unit and the final filtering unit are both filtering nets.

4. A maintenance-free dissolved oxygen automatic control device for aquaculture according to claim 1 or 2, characterized in that: The sterilization unit comprises an ultraviolet lamp and an ultraviolet lamp fixing seat. The ultraviolet lamp is installed on the housing through the ultraviolet lamp fixing seat, and the ultraviolet lamp corresponds to the super-hydrophobic film.

5. The maintenance-free dissolved oxygen automatic control device for aquaculture according to claim 3, characterized in that: The detection and sterilization channel includes an upper cavity and a lower cavity. The upper cavity is connected to the outside. The lower cavity is formed at the lower part of the upper cavity. The cross section of the lower cavity is generally dumbbell-shaped with a narrow middle and wide sides.

6. The maintenance-free dissolved oxygen automatic control device for aquaculture according to claim 3, characterized in that: The super hydrophobic film is a polymer resin film, which is one of an acrylic film, a polytetrafluoroethylene film or a carbon nanotube film.

7. The maintenance-free dissolved oxygen automatic control device for aquaculture according to claim 4, characterized in that: The irradiation intensity of the ultraviolet lamp is not less than 30000μW / cm², and the power is above 5W.

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