Low-temperature keep-alive transporter for freshwater fishes

Abstract

The invention particularly relates to a low-temperature keep-alive transporter for freshwater fishes. The low-temperature keep-alive transporter for freshwater fishes comprises a PLC (programmable logic controller) control system (100), an aeration system (200), a fish box (300), a water circulation system (400), a filter system (430) and a water heating-cooling unit (500). The low-temperature keep-alive transporter for freshwater fishes is capable of automatically monitoring pH, dissolved oxygen and temperature of the water in the live fish transport box and storing and recording the data in the transport process, such as the pH, the dissolved oxygen and the temperature. The low-temperature keep-alive transporter for freshwater fishes is simple and convenient to operate. An operator can click on a touch screen to achieve the whole control process. The low-temperature keep-alive transporter for freshwater fishes can be used for low-temperature keep-alive transport and controlled freezing-point transport. No water needs to be added during the whole transport process. The biological water standard required by the high-density transport of live aquatic products can be guaranteed by the aid of the water circulation and the filter system of the transporter.

Description

technical field [0001] The invention specifically relates to a live fish transport box device. It is suitable for various means of transportation such as vehicle-mounted live fish transportation. Background technique [0002] Live fish transportation is an indispensable link in the current fish farming industry. The introduction of new species from other places, the collection of broodstock and seedlings transported to various production units, and the supply of commercial fish markets all involve live fish transportation. There are many ways to transport live fish, mainly including traditional closed transport, anhydrous wet transport, anesthesia-assisted transport, and unit transport. [0003] The low-temperature preservation transportation method is a widely used live fish transportation method at present. This method is to reduce the metabolism of fish, reduce damage and prolong the survival time of fish by lowering the water temperature. The further development of the...

AI Technical Summary

Problems solved by technology

my country's live fish transport machinery started in the 1990s. Up to now, several live fish transport machines have come out, such as the Chinese patent CN90203950.4 which discloses a multifunctional live fish transport box. It is composed of eight systems: filter bin, sewage cooling device, water supply device, circulating water system, fish storage bin, monitoring device, and emergency device. Although this device can effectively increase the dissolved oxygen content of water and remove pollutants in water, the patent does not The cooling device is not described in detail, resulting in insufficient publication of the patent. In addition, the device is monitored by instruments, and the operation is complicated

Chinese patent CN96107817.0 discloses an automatic loading and unloading live fish transport box, which includes a transport box body, a water circulation system, an oxygen-increasing gas distribution device, a sewage purification device, an auxiliary device for loading and unloading fish, and a power unit. The main advantages of the device are: It is more convenient to load and unload fish, but the device does not have a water temperature adjustment device, so it cannot realize low temperature preservation and transportation

Chinese patent CN03239496.9 discloses a temperature regulating device for a live fish transport ship. The temperature raising device of the temperature regulating device adopts a hot oil circulation heating method. The structure is complicated and a fuel oil boiler needs to be loaded. Realization of refrigeration compressors

Chinese patent CN200920279049.X discloses a vehicle-mounted live fish transport box. The transport box does not have a water circulation filter device, so it is difficult to ensure the water quality during long-distance transportation. In addition, the transport box does not have a water temperature adjustment device, so it cannot be kept alive at low temperature transportation

However, due to the harsh environment during the transportation of live fish, it has an impact on the stability of the single-chip microcomputer system.

[0006] To sum up, the main problem existing in most domestic live fish transportation machinery at present is in the water temperature adjustment and control system. In terms of water temperature adjustment, some water temperature adjustment devices only use ice cubes to cool down, and some only use refrigeration compression It is impossible to achieve temperature rise when cooling down, or the temperature rise is realized by hot oil, the structure is complicated, and it is difficult to realize automatic control; in terms of control system, some use instrument control, which is complicated to operate, and some live fish transport machinery uses single-chip microcomputer to realize automatic control, but, Due to the insufficient anti-interference ability and working stability of the single-chip microcomputer, it is difficult to work in harsh environments

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