CN201328304Y - Test device for temperature choice behavior of aquatic animal - Google Patents

Abstract

The utility model provides a test device for the temperature choice behavior of aquatic animals, relates to aquatic animal test devices, and particularly provides a test device for studying aquatic animals in the choice of temperature. The test device comprises a flume, a water pipe, a temperature control system, a submersible pump and a water outlet regulating valve, and is characterized in that the oblong flume serves as a central temperature gradient forming unit; a plurality groups of temperature control units are arranged on two sides of the central temperature gradient forming unit; an upper-position flume of each group of temperature control units is provided with matched water inlet pipes so as to connect with the temperature control system; nontoxic and environment-friendly heat insulating material is arranged on the inner wall of the upper-position flume; water outlet holes are formed at intervals on the upper-position flume near one side of the central temperature gradient forming unit; the submersible pump and the water outlet regulating valve are mounted at lower part of a lower-position flume; nontoxic and environment-friendly heat insulating material is arranged on the inner wall of the lower-position flume; water inlet holes are formed at intervals on the lower-position flume near one side of the central temperature gradient forming unit; and the water outlet pipe of the lower-position flume is communicated with the temperature control system. The utility model is used in aquatic animal temperature choice behavior tests.

Description

The aquatic animal temperature is selected the behavior test device

Technical field

The utility model relates to the aquatic animal experimental rig.

Background technology

Global climate change causes the waters temperature in a lot of areas to change.Biology has produced the certain selectivity adaptation to environmental temperature in evolution of long period of time.Aquatic animal can be selected the living environment of self hobby temperature under the situation of conditions permit according to self needs.Most of aquatic animals belong to poikilotherm, and body temperature is along with water temperature changes, and often maintenance equates with ambient temperature, the physiological function of influence of temperature change aquatic animal, so the adapt circumstance temperature is even more important to growing of aquatic animal.Temperature is many-sided to the influence of aquatic animal, relates to growth, growth, breeding, behavior, distribution etc.This just needs selection and the adaptation feature of research aquatic animal to temperature, for aquatic animal breeds, the habitat is protected and ecotope reparation service.

The temperature that adopts selects experimental rig to mainly contain 2 kinds at present: (1) cylindrical appliance, formation temperature gradient on horizontal or vertical direction, for example number of patent application 200310111740.4 disclosed " auto-control formula aquatic animal is selected and avoids the temperature finder "; Number of patent application 200710144022.5 disclosed " a kind of device that is applicable to minitype aquatic animal temperature selection experiment ".(2) Y type device is in bifurcation region formation temperature difference.

Influence aquatic animal and select the factor of a certain environment a lot, comprise temperature, salinity, substrate, bait distribution and natural enemy etc.Therefore, when studying aquatic animal, must reduce non-temperature factor as far as possible to selecting the influence of behavior to temperature effect.And in existing above-mentioned 2 kinds of aquatic animal temperature selection experiment devices, all be subjected to of the interference of at least a envirment factor to test; These interference factors comprise that hydraulic pressure difference, animal movement stir to cause to water and respectively distinguish temperature convergence, free moving obstacle, illumination difference, water velocity difference etc. in various degree.

The utility model content

The utility model technical issues that need to address provide a kind of experimental rig that aquatic animal is selected environmental temperature of studying, and this device can reduce the interference of non-temperature factor to experiment largely; Subjects can freely be moved about in the swimming groove; Thermograde is stable, the influence that not stirred by animal movement.

The technical solution of the utility model is by tank, water pipe, temperature control system, immersible pump and water outlet control valve are formed, it is characterized in that adopting a rectangle tank to form the unit as central thermograde, and be provided with many group temperature control units in the both sides that central thermograde forms the unit, every group of temperature control unit is made up of a upper tank and a next tank, upper tank sets water inlet pipe, upper tank water inlet pipe connects temperature control system, upper inboard wall of cistern is set up the insulation material of asepsis environment-protecting, and upper tank forms the equidistant from top to bottom perforate of unit one side as apopore near central thermograde; The next tank bottom dress immersible pump and water outlet control valve, the next inboard wall of cistern is set up the insulation material of asepsis environment-protecting, and the next tank forms the equidistant from top to bottom perforate of unit one side as the inlet opening near central thermograde; The next tank outlet pipe forms the below, unit through central thermograde and is communicated with temperature control system.

The relative prior art of the utility model has following outstanding characteristics: there is not the free moving obstacle of animal in the utility model; The utility model adapts to the aquatic animal temperature of different size and kind especially and selects test; The utility model can form big temperature difference zone in limited space, and can respectively not distinguish the temperature convergence due to the water stirring because of animal movement.The utility model can reduce envirment factors such as hydraulic pressure difference, illumination difference and water velocity difference are selected test to the aquatic animal temperature interference preferably.

Description of drawings

Fig. 1 is the side-looking structural representation of experimental rig.

Fig. 2 is the schematic top plan view of experimental rig.

Embodiment

The utility model will be further described below in conjunction with drawings and Examples.

This device is provided with thermograde and forms unit and temperature control unit.It is rectangle tank 1 that central authorities' thermograde forms the unit.Temperature control unit is made up of upper tank 2 and the next tank 3; Upper tank 2 forms perforate on unit rectangle tank 1 sidewall near central thermograde, as the apopore 4 of upper tank 2, forms the cycle water that unit rectangle tank 1 provides different temperatures by apopore 4 for central thermograde; The next tank 3 forms on the sidewall of unit rectangle tanks 1 also perforate and forms the apopore 5 of unit rectangle tank 1 as central thermograde near central thermogrades, from apopore 5 to the next tank 3 drainings.Upper tank by temperature control unit supplies water, and forms the unit and enters in the next tank of temperature control unit through central thermograde; Lay immersible pump 7 in the next tank 3 central thermograde is formed the water extraction that unit rectangle tank 1 flows out, the water of extracting out is through flowing water Valve 6 control flow velocitys, arrive temperature control systems 8 by being positioned at the pipeline 9 that central thermograde forms below the unit, temperature control system 8 is made as system refrigeration or heats state according to the temperature control needs of each unit, flows into upper tank 2 at last.When the flowing water Valve 6 of the next tank 3 reached central thermograde formation unit 1 water inlet and water outlet poised state substantially at the debugging flow velocity, the automatic adjusting of pressure that is just formed by upper water tank 2 and the next water tank 3 middle water levels reached balance.This device is distinguished 4 ℃ at 2 ℃ to 38 ℃ intervals of design temperature with 10 groups of temperature control units, or sets corresponding temperature interval according to temperature control unit group number.

This device is the phase before, during and after test, lays thermometer as required in central thermograde forms the unit, with the true temperature distribution of monitoring state.To test fish (the long 15-25cm of body) 1～6 tail during test and place central thermograde to form in the unit, the frequency that the fish of record test on demand occurs in each humidity province, its selection feature of computational analysis temperature.

Claims (1)

1, the aquatic animal temperature is selected the behavior test device, by tank, water pipe, temperature control system, immersible pump and water outlet control valve are formed, it is characterized in that adopting a rectangle tank to form the unit as central thermograde, and be provided with many group temperature control units in the both sides that central thermograde forms the unit, every group of temperature control unit is made up of a upper tank and a next tank, upper tank sets water inlet pipe, upper tank water inlet pipe connects temperature control system, upper inboard wall of cistern is set up the insulation material of asepsis environment-protecting, and upper tank forms the equidistant from top to bottom perforate of unit one side as apopore near central thermograde; The next tank bottom dress immersible pump and water outlet control valve, the next inboard wall of cistern is set up the insulation material of asepsis environment-protecting, and the next tank forms the equidistant from top to bottom perforate of unit one side as the inlet opening near central thermograde; The next tank outlet pipe forms the below, unit through central thermograde and is communicated with temperature control system.

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