65 results about "Tropical fish" patented technology

The invention discloses a tropical fish feed, and a preparation method thereof. The tropical fish feed comprises following ingredients, by weight, 27 to 32% of imported white fish meal, 15 to 20% of corn powder, 6 to 8% of wheat germ powder, 10 to 12% of defatted soybean powder, 8 to 10% of spiral seaweed powder, 10 to 12% of shrimp meal, 3 to 5% of yeast, 2 to 4% of composite vitamin, 1 to 3% of mineral substance, and 1 to 2% of carotenoid. The preparation method comprises following steps: (1) the ingredients are weighted according to the mass ratio above, and are smashed in a pulverizer so as to obtain raw material mixed particles; (2) purified water is added into the raw material mixed particles, an obtained mixture is quickly stirred to be uniform, and raw material mixture paste is obtained; (3) the raw material mixture paste is delivered into a sealed container for fermentation; and (4) the fermented raw material mixture paste is delivered into a granulator for processing so as to obtain the granular tropical fish feed. The tropical fish feed is simple for preparation, is balanced in nutrition, possesses color increasing effect, and is capable of increasing immunity of tropical fish, and improving ornamental value of tropical fish; feed particles are uniform; impurities are few; and water pollution is not caused.

The invention relates to a tropical fish feed which is prepared by loach powder, fish visceral meal, water flea powder, duck intestine powder, pork powder, chicken powder, animal albumen powder, milk powder, sorghum albumen powder, eucommia powder, kuh-seng powder, angelica powder, malt meal, asparagus powder, safflower powder and edible bulking powder. The preparation method comprises the following steps: proportionally mixing all the powder together, stirring the mixture in a mixer for 200 minutes, taking out, pulverizing the mixture to 0 mesh in a pulverizer, taking out, putting into a drying machine, controlling the dryness of the dried material to be 80-90%, taking out, cooling, stirring in a mixer for 180 minutes, taking out, bulking in a bulking machine for 2-3 hours, controlling the temperature of the bulking machine to be 80-85 DEG C and controlling the dryness of the bulked material to be 80-90%, taking out, cooling and packaging according to the proportion.

A warming chamber for making the tropical fish to survive the winter is composed of water pump, heat pump set for water source, induction device, warming chamber soaked in water, and tubes.

The invention discloses an intelligent fish tank capable of realizing bottom cleaning. The intelligent fish tank comprises a bottom cabinet. A cylinder body is arranged on the upper portion of the bottom cabinet, a slide rail is arranged on the lower portion of the cylinder body, a micro-controller is arranged on the front side face of the cylinder body, a heating filter pipe is arranged on the lower portion of the cylinder body, a purified water filtering device and a heating device are arranged on the side surface of the cylinder body, and a cleaning assembly is also arranged on the lower portion of the cylinder body; the cleaning assembly comprises a supporting rack, a rotary shaft is arranged on each of the two side surfaces of the supporting rack, the two ends of the rotary shaft are fixed to the side surface of the supporting rack, a roller is arranged in the middle of the rotary shaft, and brushing hair which is distributed in a scattered manner is arranged on the rotary shaft. According to the intelligent fish tank disclosed by the invention, the bottom of the fish tank is automatically cleaned by means of the cleaning assembly, so that tediousness of manual cleaning is avoided; the purified water filter device and the heating device are arranged on the side surface of the fish tank, so that water in the fish tank can be filtered and heated; the water temperature and the water quality can meet the survival of tropical fishes; nitrifying bacteria can be cultured by means of culture holes in a filter tank, so that loss of the nitrifying bacteria is avoided.

The invention discloses an annual culturing method for marine medaka in a lab. Culturing conditions include: culture seawater is 28-30 in salinity and 4-8mg / L in dissolved oxygen level after subjected to five-stage filtering via a nylon film, biological adsorbent, activated carbon, biochemical filter and ultraviolet sterilization system; the culture water is at 26-30 DEG C; the culture density reaches 0.2-0.5L per fish in the growth period and reaches 0.5-1L per fish in the breeding period; a light cycle includes 14 hours of illumination and 10 hours of no illumination, and illumination is performed from 5:00 to 19:00; the culture male-to-female ratio is 2:3; in terms of feeding frequency and feeding time, the fishes are fed with marine tropical fish feed three times a day, from 7:30 to 8:30, from 11:30 to 12:30 and from 15:30 to 16:30, and are fed with Artemia larvae twice a day, from 9:45 to 10:15 and from 13:45 to 14:15. By the annual culturing method, the defects that breeding conditions are difficult to control, cost is high, continuous egg laying fails, egg laying amount is low, breeding conditions are limited, and the like are overcome.

The invention relates to a preparation method of tropical fish feed which comprises the following steps in percentage by weight: 20-24 percent of white fish meal, 10-12 percent of sea shrimp meal, 12-14 percent of clam worm meal, 6-8 percent of blood worm meal, 4-6 percent of mudsnail meal, 2-6 percent of chicken intestine meal, 3-9 percent of animal protein powder, 2-6 percent of dry milk, 6-10 percent of soybean cake protein powder, 1-3 percent of pinellia tuber powder, 2-4 percent of ginkgo seed powder, 1-3 percent of galangal powder, 2-4 percent of rice grain sprout powder, 1-3 percent of mulberry leaf powder, 2-4 percent of amur corktree bark powder and 4-6 percent of bulking powder. The preparation method comprises the following steps: taking and mixing all powders together according to a certain proportion, putting the powders into a stirrer for stirring 180 minutes, taking the powders out and putting into a crasher for crashing into 0 mesh of powders, taking the powders out and putting into a dryer, controlling the dryness degree of the materials to be dried to 90-95 percent, taking the materials out for cooling and putting into the stirrer again for stirring 180 minutes, taking the materials out and putting into a bulking machine for bulking, controlling the temperature of the bulking machine within 80-85 DEG C for 2-3 hours, controlling the dryness degree of the materials to be bulked to 90-95 percent, taking the materials out for cooling, and packaging according to a certain proportion to obtain the finished product.

The invention discloses a heating device of a tropical fish tank, mainly aiming at solving the problem that the water in the fish tank is heated to waste electric energy. The heating device comprises a fish tank body, a heating-fin water feeding pipe, a heating-fin water discharging pipe, a fish-tank heating stainless steel pipe and a temperature control device, wherein one end of the fish-tank heating stainless steel pipe is connected with the heating-fin water feeding pipe, and the other end of the fish-tank heating stainless steel pipe is connected with the heating-fin water discharging pipe; the two ends of the fish-tank heating stainless steel pipe are respectively provided with a stopping valve, and the middle section of the fish-tank heating stainless steel pipe extends into water in the fish tank body; the temperature control device comprises a temperature sensor, a temperature display operation screen and an electromagnetic valve; the temperature sensor extends into the water in the fish tank body, the temperature display operation screen is arranged outside the fish tank body, and the electromagnetic valve is arranged on the fish-tank heating stainless steel pipe; and the temperature display operation screen is connected with the temperature sensor and the electromagnetic valve respectively by a line. The heating device disclosed by the invention has the advantages that a heating pipeline is utilized for heating the water in the fish tank, and the water temperature can be controlled, so that the heating device is very convenient to operate.

The invention relates to a tropical fish breeding system with a ground source heat pump, comprising heating / cooling backwater supply loop systems, a control system and a heat-preservation fishpond. The heating / cooling backwater supply loop systems are in control connection with the control system, wherein one backwater supply loop system is arranged in the heat-preservation fishpond, one backwater supply loop system is arranged in a machine room, and one backwater supply loop system is arranged underground. Each heating / cooling backwater supply loop system comprises a ground source heat pump main engine, a circulating water pump, buried pipes, a sub-catchment device and a terminal heat exchanging device, wherein the ground source heat pump main engine, the circulating water pump and the buried pipes are mutually communicated, and the terminal heat exchanging device is arranged in the heat-preservation fishpond and is in circulating communication with the sub-catchment device and the ground source heat pump main engine. The control system comprises a direct digital controller (DDC), a temperature sensor and a terminal control unit, wherein the temperature sensor and the terminal control unit are both electrically connected with the direct digital controller (DDC). With the adoption of the tropical fish breeding system, the requirement of constant temperature for breeding tropical ornamental fish can be met, and the energy source is saved. The tropical fish breeding system has higher innovation.

The invention discloses an expanded feed for grass carp and tropical fish and a preparation method of the expanded feed. Super steam fish meal, dregs of beans, Canadian rapeseed meal, Xinjiang cotton dregs, expanded soybean, Maotai distillers' grains, full-fat rice bran, wheat flour, soya-bean oil, calcium dihydrogen phosphate, compound premix, choline, esterification vitamin C, growth promoting liver-protecting preparation and brewer's yeast zymolyte are mixed according to a certain sequence in proportion, the sum of the weights of the components is 100%, raw materials which are easily digested and absorbed are adopted in preparation, the digestibility of the feed is greatly improved, absorption and utilization of nutritional substances are promoted, and the feed is easily digested in an expanding process in a preparation process; and therefore, the growth promoting preparation as an additive, the brewer's yeast zymolyte, the esterification vitamin C and the like which facilitate metabolism are added in the expanded feed in a combined manner, health degree of the grass carp is good, and purposes of relieving stress and reducing death in conveying and hauling processes.

The invention relates to a method for preparing a transparent skeleton specimen of a small animal, and a specimen prepared with the method. According to the invention, muscle of the small animal become transparent, and a colouring agent is adopted for soaking to develop and distinguish different parts of an animal body, so that original position structures of hard bones and cartilages of the animal body are showed directly and accurately. The method is simple in step, the adopted agent is safe and can be used for preparing transparent skeleton specimens of small animals such as goldfishes, tropical fishes, frogs and mice, the prepared specimens can be kept for a long time, structures are showed clearly, and the prepared specimens have relatively high scientific research and teaching values.

The present invention relates to a tropical fish feeding feed, and belongs to the technical field of tropical fish feeding feeds, wherein the raw materials comprise 15-20 parts of pine needle powder, 12-19 parts of scallop powder, 8-14 parts of corn protein powder, 4-8 parts of trace elements, 18-28 parts of rice bran, 12-18 parts of bran, 2-7 parts of cod liver oil, 7-10 parts of spirulina, 8-16 parts of cactus micro-powder, 8-10 parts of cuttlefish powder, 10-16 parts of dry grass powder, 2-5 parts of edible salt, 8-15 parts of fried soybean powder, and 7-12 parts of loach powder. The tropical fish feeding feed of the present invention has low cost, can meet tropical fish growth requirements, and can improve the immunity of tropical fishes.

The invention provides a blowdown, power-failure automatic protection, anti-noise and high-heat-preservation ornamental-fish fish tank with a bottom hole and belongs to an energy-saving warm water circulating tropical fish tank for feeding tropical fishes. A heat preservation material layer is arranged on the outer side of a lower-layer water storage tank; a highest water level limiting water pipe, which is communicated with upper and lower layers, is arranged between an upper-layer water storage tank and the lower-layer water storage tank; the top of the highest water level limiting water pipe is lower than the top of an upper-layer fish culture tank; and a water outlet pipe of a submersible pump of the lower-layer water storage tank penetrates through the highest water level limiting water pipe to penetrate out from the top of the highest water level limiting water pipe. Water blocking plugs are arranged at the positions of a plurality of blowdown funnel structures at the bottom of the upper-layer fish culture tank, and the water blocking plugs are connected with floating blocks through thread type length adjustable rods; filtering materials are arranged in water leakage pipes under the blowdown funnel structures. The blowdown, power-failure automatic protection, anti-noise and high-heat-preservation ornamental-fish fish tank has the advantages that the heating and power consumption cost of culturing the tropical ornamental fishes by warm water is saved; and the submersible pump keeps working without attendance and water in the upper-layer fish culture tank does not overflow out of the upper-layer fish culture tank, and the fishes in the upper-layer fish culture tank can be prevented from being scalded by an electric heating rod.

The invention discloses an artificial feed for tropical fish. The feed is prepared by mixing fish meal, spinach, beancurd meal, defatted silkworm chrysalis meal, barley meal and yeast. The feed has the advantages of reasonable formula, good use effect and low production cost.

The invention relates to the field of intelligent materials and discloses a preparation method of temperature-sensitive variable resistor conductive fiber. The preparation method includes: preparing temperature-sensitive fiber through a solution mixing method, and using polyvinyl alcohol and chitosan as components of temperature-sensitive fiber spinning dope and graphene as a conductive material to obtain the conductive fiber of a temperature-sensitive variable resistor. The temperature-sensitive variable resistor conductive fiber can be applied in wide fields like medical treatment fever monitoring, intelligent wearable equipment human body heat data monitoring and analyzing, heat-source device fever monitoring and tropical fish breeding water temperature monitoring.

The invention discloses a warm island type tropical fish overwintering pond. The warm island type tropical fish overwintering pond comprises an overwintering pond body, wherein a plastic greenhouse covers above the overwintering pond body. The warm island type tropical fish overwintering pond is characterized in that the overwintering pond body is internally provided with a sealed warm island isolating belt which is formed by surrounding a heat-insulation material plate and is provided with upper and lower openings; an upper edge of the warm island isolating belt is higher than a water surface of the overwintering pond body; a funnel hole is formed below the warm island isolating belt; the funnel hole is funnel-shaped; the upper edge of the warm island isolating belt and the bottom of the overwintering pond body are located on the same horizontal plane; the maximum diameter is smaller than the diameter of the warm island isolating belt; a blowdown pipeline and a valve are arranged at the bottom of the funnel hole; and a heating ring is arranged at the upper edge of the funnel hole. The warm island type tropical fish overwintering pond provided by the invention is only used for heating water in a warm island region in the overwintering pond body, so that energy sources can be saved; overwintering tropical fishes gather in a warm island and are convenient to manage; and metabolites, including ammonia and nitrogen and the like, in the warm island are rapidly dispersed into the whole overwintering pond body.

The invention discloses a machine case device provided with an aquaculture mechanism. The machine case device provided with the aquaculture mechanism comprises a machine case shell, the aquaculture mechanism, a heat preservation mechanism and an automatic control system. The aquaculture mechanism comprises a transparent aquaculture box, wherein an opening is formed in the upper portion of the aquaculture box, a box cover is arranged on the opening and matched with the opening, and the aquaculture mechanism is installed at the upper end in the machine case shell. The aquaculture mechanism, the heat preservation mechanism and the automatic control system are connected. According to the machine case device provided with the aquaculture mechanism, a large amount of heat of the machine case is reasonably utilized, energy is saved, environmental friendliness is achieved, loss and waste of resources are reduced, and therefore the machine case becomes a greenhouse machine case capable of breeding tropical fishes.

A fish bowl is composed of three pieces of rectangular glass and two pieces of circular arc-shaped glass in an adhesive mode. The fish bowl is divided into a left part and a right part through a piece of transparent heat insulation glass, wherein the volumes of the left part and the right part are identical, the left part and the right part are respectively a tropical fish breeding part and a freshwater fish breeding part, so that the fish bowl is capable of being used for breeding tropical fishes and freshwater fishes. Due to the fact that the fish bowl has flat surfaces and circular arc-shaped surfaces, users are enabled to see different fishes from different angles. A waterproof lamp is arranged at the top of the fish bowl, so that visual effect can be improved. A suction disc is arranged at the bottom of the fish bowl, so that the fish bowl is prevented from being overturned.

The invention discloses a multifunctional brush cleaning-free device. The multifunctional brush cleaning-free device comprises a glass tank, a constant-temperature heater and a temperature sensor, wherein the glass tank has the length of 30 cm, the height of 25 cm and the width of 20 cm; water with the depth of 10-15c m is injected into the glass tank; the upper side surface of the glass tank is open, and a top cover is provided; six circular holes with the diameter of 2 cm are formed in the top cover at intervals of 3 cm in a running-through manner; the circular holes are used for brushes to insert therein; a clamp is arranged at each circular hole; a big circular hole with the diameter of 4 cm is also formed in the top cover in a running-through manner; the electric heating constant-temperature heater is arranged inside the glass tank. The multifunctional brush cleaning-free device can achieve brush-cleaning and fish-farming multifunctional use; through the circular holes and the clamps, heads of the brushes approach the water surface, and by virtue of evaporation of water in the glass tank, the heads of the brushes are kept wet, so that the heads of the brushes are not dry even if the brushes are not used within 4-5days, and troubles of cleaning the brushes every day are eliminated; meanwhile, tropical fishes can be raised in the glass tank, so that the multifunctional brush cleaning-free device is practical and beautiful.

The invention discloses a preparation method for a temperature-sensitive variable-resistance fiber modified by silver nanowires and having bactericidal effect, belonging to the field of intelligent materials. According to the invention, a temperature-sensitive fiber is prepared by using a solution mixing method, wherein polyethylene glycol and chitosan are used as the components of a spinning solution for the temperature-sensitive fiber; and then, graphene is used as a conductive material to prepare the temperature-sensitive variable-resistance conductive fiber. The temperature-sensitive variable-resistance conductive fiber of the invention can be applied to fields in hot and humid environments, e.g., medical fever monitoring of human bodies and temperature monitoring of tropical fish culturing water.

The invention discloses an automatic temperature controller for a tropical fish culture pond in a garden. The automatic temperature controller comprises a heating rod, a direct current power supply, a temperature sensor, a first operational amplifier, a second operational amplifier, first to tenth resistors, a first potentiometer, a second potentiometer, a first diode, a second diode, a field-effect tube and a relay. The temperature sensor is adopted as a temperature control device, and outputs different signal voltages at different water temperatures, signals are amplified by the operational amplifies, and the amplified drive voltage controls the field-effect tube, so that the control end of the relay controls the temperature rising of the heating rod. Compared with the prior art, the automatic temperature controller can control the water temperature automatically according to the water temperature in a fishpond, keeps the water temperature in the control range, is free from manual control, reduces workload, realizes intelligent control, and has popularization and use values.

A temperature regulation and oxygenation device comprises a housing, a water inlet pipe and a drain funnel. The top of the housing is fixedly connected with the water inlet pipe, the bottom end of the water inlet pipe is connected with a water sprayer, the bottom of the housing is connected with the drain funnel, the bottom end of the drain funnel is fixedly connected with a drain pipe, a heater is fixedly connected with the periphery of the housing, the heater is connected with a controller, the controller is connected with a temperature sensor through a control line, and the temperature is fixedly connected with the water inlet pipe. The temperature regulation and oxygenation device is simple in structure, convenient to use and easy to popularize, the temperature and the oxygen content of the water in a fish tank can be timely controlled, and troubles during the tropical fish culture process can be reduced.

The invention discloses an intelligent fish tank capable of being cleaned automatically. The intelligent fish tank comprises a bottom plate, wherein a bottom cabinet is fixed on the upper part of the bottom plate; a cylinder body is arranged on the upper part of the bottom cabinet; a cleaning assembly is arranged on the upper part of the cylinder body and can walk along the edge of the upper part of the cylinder body; a microcontroller is arranged on the front side surface of the cylinder body; a heating and filtering tube is arranged on the lower part of the cylinder body; a water purifying and filtering device and a heating device are arranged on a side surface of the cylinder body; one end of the heating and filtering tube communicates with the water purifying and filtering device; the other end of the heating and filtering tube is arranged at the bottom of the cylinder body in an open manner; and the water purifying and filtering device communicates with the heating device through a communicating pipeline. The side walls of the fish tank are cleaned automatically by the cleaning assembly, troublesome manual cleaning is avoided, meanwhile, the water purifying and filtering device and the heating device are arranged on the side surface of the fish tank, the water in the fish tank can be filtered and heated, the water temperature and water quality can meet survival of tropical fishes, nitrifying bacteria can be cultured by a culture hole in a filtering tank, and therefore, loss of the nitrifying bacteria is avoided.

The invention discloses a constant-temperature double-tank fish tank. The constant-temperature double-tank fish tank comprises a tropical fish breeding tank, a piece of vacuum thermal insulation glass, a temperate zone fish breeding tank and a base box. The tropical fish breeding tank and the temperate zone fish breeding tank are isolated through the vacuum heat insulation glass. A bottom plate is arranged between the base box and the combination of the tropical fish breeding tank and the temperate zone fish breeding tank. The tropical fish breeding tank and the temperate zone fish breeding tank are respectively and internally provided with a waterproof lamp, a filter screen, a heating device, a temperature sensing device and an oxygen outlet. Each oxygen outlet is connected with an oxygen generator through an oxygen conveying pipeline. The oxygen generator, a thermostat A and a thermostat B are arranged in the base box. The heating devices and the temperature sensing devices are all connected with the thermostats. The thermostat A and the thermostat B are respectively and internally provided with a power supply, a control circuit and a feedback circuit. Tropical fish and temperate zone fish can be simultaneously viewed through the fish tank, the corresponding thermostat and the corresponding filter screen are arranged in the tropical fish breeding tank, and therefore the living temperature of the tropical fish can be ensured, and the fish can be prevented from making contact with the corresponding heating device and being scalded.

A multifunctional television background wall comprises a wall body. The middle of the wall body is provided with a television groove. A left cultivation groove and a right cultivation groove are formed in the positions, on the two sides of the television groove, of the wall body. Sound box grooves are formed in the upper portion of the left cultivation groove and the upper portion of the right cultivation groove. A sheet box body is installed in the television groove. The interior of the box body is hollow. The box body is internally provided with a plurality of vertical partition plates which are arranged in a staggered mode. The front portion of the box body is provided with a plurality of heat-conducting fins which can be inserted into heat dissipation holes of a television. A tropical fish tank is fixedly installed in the left cultivation groove. A common fish tank is installed in the right cultivation groove. The tropical fish tank and the common fish tank are both fish tanks. The upper portion of each fish tank is provided with a bracket. The brackets are fixedly installed on the wall of the left cultivation groove and the wall of the right cultivation groove and are provided with plant cultivation pots. According to the multifunctional television background wall, fishes (common fish, tropical fish and the like) and plants can be cultivated on the two sides of the wall body; the diversity of the interior of a room is effectively improved; the plants are preferably sciophilous plants; the interior of the room is purified by the plants; and the indoor air quality is improved.

A multifunctional television background wall comprises a wall body. The middle of the wall body is provided with a television groove. A left cultivation groove and a right cultivation groove are formed in the positions, on the two sides of the television groove, of the wall body. Sound box grooves are formed in the upper portion of the left cultivation groove and the upper portion of the right cultivation groove. A sheet box body is installed in the television groove. The interior of the box body is hollow. The box body is internally provided with a plurality of vertical partition plates which are arranged in a staggered mode. The front portion of the box body is provided with a plurality of heat-conducting fins which can be inserted into heat dissipation holes of a television. A tropical fish tank is fixedly installed in the left cultivation groove. A common fish tank is installed in the right cultivation groove. The tropical fish tank and the common fish tank are both fish tanks. The upper portion of each fish tank is provided with a bracket. The brackets are fixedly installed on the wall of the left cultivation groove and the wall of the right cultivation groove and are provided with plant cultivation pots. According to the multifunctional television background wall, fishes (common fish, tropical fish and the like) and plants can be cultivated on the two sides of the wall body; the diversity of the interior of a room is effectively improved; the plants are preferably sciophilous plants; the interior of the room is purified by the plants; and the indoor air quality is improved.

The invention discloses a breeding method of tropical fish fry. The method includes the following steps of firstly, establishing fish breeding ponds, erecting a steel structure greenhouse, and dividing the different fish breeding ponds; secondly, injecting a corresponding amount of water, conducting disinfecting and sterilizing through bleaching powder, and adjusting the PH value of the water quality through white vinegar or quick lime; thirdly, controlling and adjusting the temperature in the greenhouse; fourthly, adding corresponding fish fry in the corresponding fish breeding ponds for breeding after the water quality is stable, and controlling the illumination intensity; fifthly, putting in beneficial microorganisms after the fish fry is put in; sixthly, changing water according to thewater quality conditions, and keeping the water quality stable. The tropical environment is simulated through the greenhouse environment for breeding, tropical fish can stably reproduce and grow in mainland China, and the tropical fish breeding scale in mainland China is improved.

An oxygenation and temperature control device for a fish jar comprises a fish jar, a heater and a controller. The fish jar is connected with a heater through a suction hose, the heater is connected with a water return tube, a temperature sensor and an oxygen sensor are disposed in the fish jar, the temperature sensor and the oxygen sensor are respectively connected with the controller via a temperature signal line and an oxygen signal line, the controller is connected with the heater via a temperature control line, the controller is connected with an oxygenation valve via an oxygen control line, the oxygenation valve is connected with an oxygenation device, and the suction hose is connected with a water pump. The oxygenation and temperature control device for the fish jar is simple in structure, convenient to use and easy to popularize, the temperature and the oxygen content of the water in a fish tank can be timely controlled, and troubles during the tropical fish culture process can be reduced.

The invention discloses a compound feed for tropical fish. The feed is prepared by mixing cattle blood meal, laver, flour, vitamin complex, salt and calcium. The feed has the advantages of reasonable formula, good use effect and low production cost.

The invention discloses a temperature control method of a constant-temperature maintaining and bait refrigerating device of a tropical fish tank. The constant-temperature maintaining and bait refrigerating device comprises a first temperature sensing element and a second temperature sensing element, wherein the first temperature sensing element and the second temperature sensing element are used for respectively measuring the water temperature in the fish tank and the temperature of a cold plate; the input end of a controller is connected with a power source, the temperature sensing elements and a control panel, and the output end of the controller is connected with a temperature display screen, a thermopile, a water supply bypass adjusting valve and a fan; the control panel is used for setting an upper limit value and a lower limit value of the water temperature of the fish tank and the temperature of the cold plate; the controller is used for adjusting the current size of the thermopile, the opening degree of the water supply bypass valve, the rotation speed of the fan and a water cooling and air cooling switching mode. The temperature control method of the constant-temperature maintaining and bait refrigerating device of the tropical fish tank has the advantages that the cold quantity and heat quantity produced by the thermopile are simultaneously utilized, and adjusting is performed according to the change of water temperature and refrigerating temperature; the double functions of keeping water temperature in the fish tank and bait fresh-preserving are realized; the energy consumption is decreased, and the method is favorable for the fish culture.

The invention discloses a tropical fish tank temperature controller and belongs to the field of electronic monitoring and control. The tropical fish tank temperature controller comprises a power switch used for power supply, a power supply module, an analog / digital (A / D) converter, a single chip microcomputer control circuit, a relay and a temperature controller, an electric heater (1) and a separation net (2) which are arranged in a fish tank. The temperature controller is connected with the signal input end of the single chip microcomputer control circuit through the A / D converter and transmits a collected temperature value to the single chip microcomputer control circuit through the A / D converter. The single chip microcomputer control circuit compares the received temperature value and a preset value and controls the electric heater (1) to work through the relay according to the comparison result, and therefore the tropical fish tank temperature controller achieves the function of controlling temperature of water in the fish tank thermostatically.