CN107505964A - Multifunction fish tank control device and multifunction fish tank - Google Patents
Multifunction fish tank control device and multifunction fish tank Download PDFInfo
- Publication number
- CN107505964A CN107505964A CN201710587385.XA CN201710587385A CN107505964A CN 107505964 A CN107505964 A CN 107505964A CN 201710587385 A CN201710587385 A CN 201710587385A CN 107505964 A CN107505964 A CN 107505964A
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- fish tank
- water temperature
- control device
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 6
- 229910001120 nichrome Inorganic materials 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005034 decoration Methods 0.000 abstract description 7
- 239000013307 optical fiber Substances 0.000 description 10
- 230000006870 function Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229940088597 hormone Drugs 0.000 description 3
- 239000005556 hormone Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
- A01K63/065—Heating or cooling devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to a kind of multifunction fish tank control device and multifunction fish tank, including water temperature acquisition module, temperature adjustment module, light-adjusting module and main control module, main control module respectively with water temperature acquisition module, heating module and light-adjusting module connection, main control module is stored with water temperature predetermined threshold value, main control module receives the real-time water temperature of water temperature acquisition module collection, when real-time water temperature and default water temperature threshold value are inconsistent, temperature adjustment module is controlled to carry out lower water temperature, and light-adjusting module is controlled to carry out light modulation decoration according to default mode of operation, such multifunction fish tank control device and multifunction fish tank can not only keep the constant of water temperature in fish jar and light modulation can be controlled to decorate, different user's requests can be met, lift Consumer's Experience.
Description
Technical field
The present invention relates to fish jar technical field, more particularly to a kind of multifunction fish tank control device and multifunction fish tank.
Background technology
Social life is more and more rich, requirement more and more higher of the people to quality of the life, and more and more people are ready to feed water
The same clan.With the development of development, particularly automatic control system that modern science and technology art is maked rapid progress, brought very to people's life
Big change, the Intelligent fish tank with automatic control function arise at the historic moment.
Local fancy fishes are by local crucian or carp, by injecting color hormone and containing color hormone mostly
Feed cultivates, and to change the original characteristic of fish, makes its particularization, does not eat specified feed or addition hormone, fish for a long time
Become original characteristic again soon, lose sight.Comparatively speaking, the form of tropical fish and color just enrich more, heat
Band, semi-tropical geographic climate, tropical fish is set to live in for a long time in the environment that illumination is sufficient, water temperature is high, the temperature difference is small, it is given birth to
Long, development, breeding are closely related with the ecological condition of this water quality, water.It is more that traditional fish jar usually requires raiser's cost
Time go to manage with delicacy, such as artificial periodic monitor water temperature, to safeguard that fish jar is in control environment.
The content of the invention
Based on this, it is necessary in view of the above-mentioned problems, provide it is a kind of water temperature can be kept constant and it is controllable light modulation decoration
Multifunction fish tank control device and multifunction fish tank.
A kind of multifunction fish tank control device, including water temperature acquisition module, temperature adjustment module, light-adjusting module and switching
Light-adjusting module presets the main control module of mode of operation, and main control module is stored with water temperature predetermined threshold value；
Main control module is connected with water temperature acquisition module, temperature adjustment module and light-adjusting module respectively.
A kind of multifunction fish tank, including above-mentioned multifunction fish tank control device and fish tank body, multifunction fish tank control
Water temperature acquisition module, light-adjusting module and the temperature adjustment module of device are arranged at the inwall of fish tank body, multifunction fish tank control
The main control module of device processed is arranged at the outer wall of fish tank body.
Above-mentioned multifunction fish tank control device and multifunction fish tank, including water temperature acquisition module, temperature adjustment module, light modulation
Module and main control module, main control module are connected with water temperature acquisition module, temperature adjustment module and light-adjusting module respectively, master control
Module receives the real-time water temperature of water temperature acquisition module collection, when real-time water temperature and water temperature predetermined threshold value are inconsistent, controls temperature
Adjustment module adjusts water temperature, and controls light-adjusting module to be dimmed according to default mode of operation according to default mode of operation, such more
Function fish jar control device and multifunction fish tank can not only keep the constant of water temperature in fish jar and light modulation can be controlled to decorate, can
To meet different user's requests, Consumer's Experience is lifted.
Brief description of the drawings
Fig. 1 is the structural representation of multifunction fish tank control device in one embodiment；
Fig. 2 is the circuit theory diagrams of power circuit in multifunction fish tank control device in one embodiment；
Fig. 3 is the circuit theory diagrams of constant temperature control circuit in multifunction fish tank control device in one embodiment；
Fig. 4 is the circuit theory diagrams of light adjusting circuit in multifunction fish tank control device in one embodiment.
Embodiment
In one embodiment, as shown in figure 1, a kind of multifunction fish tank control device, including water temperature acquisition module 100,
Temperature adjustment module 200, light-adjusting module 300 and switch light modulation module 300 preset the main control module 400 of mode of operation, master control
Module 400 is stored with water temperature predetermined threshold value；
Main control module 400 is connected with water temperature acquisition module 100, temperature adjustment module 200 and light-adjusting module 300 respectively.
Water temperature acquisition module 100 is used for gathering the real-time water temperature in fish jar.Specifically, water temperature acquisition module can include
Actual measured value is converted into electric signal by DS18B20 temperature sensors, temperature sensor, is sent to main control module, then by master control
Module control temperature adjustment module, its advantage is very hommization, can replace treatment of the people to fish, can guarantee that people not situation
Under, the influence of the actual temperature, not climate change of fish jar is controlled at any time, is prevented fish from being die in improper temperature, is subtracted
The cost of fish is fed less.DS18B20 is a ultra-small volume, the ultralow hardware spending that DALLAS (Dallas) company produces,
The temperature sensor that strong antijamming capability, precision are high, additional function is strong, its major advantage include：(1), connecing using monobus
Mouth mode only needs a line that main control module and DS18B20 both-way communication can be achieved when being connected with main control module；(2), survey
Amount temperature scope is wide, and measurement accuracy is high, and DS18B20 measurement range is -55 DEG C -125 DEG C, in the range of -10 DEG C -85 DEG C, essence
Spend for ± 0.5 DEG C；(3) any peripheral cell, is not needed in use；(4), power supply mode is flexible；(5), measurement parameter can match somebody with somebody
Put；(6), negative pressure characteristic, when electric power polarity is reversed, thermometer will not burn because of heating, but cisco unity malfunction；(7), power down
Defencive function.
Temperature adjustment module 200 is used for receiving the control of main control module 400, adjusts the water temperature in fish jar to keep water temperature
It is constant.In one embodiment, temperature adjustment module can include relay and the PTC thermistor being sequentially connected, PTC
(Positive Temperature Coefficient, positive temperature coefficient), refer to the very big semiconductor material of positive temperature coefficient
Material or component, PTC typically refer to semistor, abbreviation PTC thermistor.PTC thermistor is a kind of allusion quotation
Type has the semiconductor resistor of temperature sensitivity, and during more than certain temperature (Curie temperature), its resistance value is with temperature
Rise is increased in step evolution, and temperature is higher, and resistance value is bigger.PTC heating materials have advantages below：1st, it is cost-effective, make
Use long lifespan；2nd, safe to use, adstante febre is not rubescent, green；3rd, the energy is saved, thermal conversion rate is high；4th, design is convenient, work(
Rate can be according to requirements arbitrarily devised, and external form plasticity is strong.More specifically, a diameter of 20mm of PTC thermistor, it is long
150mm is spent, lead uses resistant to elevated temperatures Teflon line, and operating voltage 220V, 100 ± 10 DEG C of heater surface temperatures, generate heat work(
Rate is 150W, to realize more preferable temperature control effect.In another embodiment, temperature adjustment module can include connecting successively
The relay and nichrome resistance heating rod, nichrome resistance heating rod connect is packaged together with temperature sensor, carries out
After water-proofing treatment, control whether to heat to control by relay.Specifically, nichrome resistance heating rod is made using resistance wire
For heating material, the water temperature in fish jar is sensed immediately using thermistor, temperature signal is transformed into electric signal by DS18B20
Main control module is passed to, then whether is heated by master control module judges；Such as when temperature is less than 24 DEG C, then control relay
Normally off is got to, connects heating rod heating；When temperature reaches 26 DEG C, then control relay gets to normally open, disconnects and adding
Hot pin, stop heating.Wherein it is possible to which nichrome resistance heating rod is positioned over into the bottom of the tank middle position, DS18B20 is placed
Kept to the side in water body middle level, so both promote water circulation, and can enough relatively accurately perceives water temperature.
Light-adjusting module 300 carries out light modulation decoration according to the control of main control module 400 according to default mode of operation.Specifically,
Light-adjusting module 300 includes light conducting subassembly, light source and coupler, and light source is coupled in light conducting subassembly, light source by coupler
It is connected with main control module.For example, light conducting subassembly can include optical fiber, light source can include LED, specifically, can use
2mm external diameter sidelight optical fiber and highlighted LED direct-couplings, junction fiber end face keep smooth, it is ensured that and LED luminous intensity is big,
And beam angle is small, coupling efficiency can be so improved.Wherein, optical fibre decoration uses LED modules with different colors light source, will by coupler
Optical fiber is optically coupled into, enables optical fiber entirely lighting to build the scenery in fish jar, by optical fiber on optical fiber sculpture in optical fibre decoration
The characteristic itself having, bending that can be appropriate build different pattern in water, sketch the contours of the lines of fish jar and incidentally make it
Effect with flicker.The mode of operation of light-adjusting module controls switching by main control module, passes through control of the main control module to LED
System, for example LED bright or go out, so as to realize the control of optical fiber luminescent, default mode of operation can include：1st, gradually go out entirely, than
When such as daytime, light is preferable, it is not necessary to add optical fiber color change effect；2nd, fish jar profile, band flicker are lighted one by one；3rd, pasture and water dodge
Bright, side flower pattern is lighted；4th, background is flashed, and side flower pattern is lighted.
Main control module 400 is stored with water temperature predetermined threshold value, and main control module 400 receives the reality of the collection of water temperature acquisition module 100
Shi Shuiwen, when real-time water temperature and water temperature predetermined threshold value are inconsistent, control temperature adjustment module 200 carries out lower water temperature, and root
According to the switching of the default mode of operation control mode of operation of light-adjusting module 300.Specifically, it is mono- to include STC89C52 for main control module 400
Piece machine, STC89C52 single chip are a kind of low-power consumption, the 8-digit microcontroller of high-performance CMOS 8, have 8K in-system programmable components Flash
Memory, using the high-density nonvolatile memory manufacturing technology of Atmel companies, with the MCS-51 instruction set of industrial standard and
Output pin is mutually compatible.For example, can be by I/O (Input/Output, input/output) mouth of single-chip microcomputer, by input signal
(DS18B20 temperature signals) intelligent control relay switch, so as to intelligent control heating module, reach temperature control purpose so that fish
Water temperature is maintained at 26 DEG C or so of temperature constant state in cylinder, and the tropical environment of an existence is provided for tropical fish.
Above-mentioned multifunction fish tank control device, including water temperature acquisition module 100, temperature adjustment module 200, light-adjusting module
300 and main control module 400, main control module 400 respectively with water temperature acquisition module 100, temperature adjustment module 200 and light modulation mould
Block 300 connects, and main control module 400 receives the real-time water temperature of the collection of water temperature acquisition module 100, when real-time water temperature and default water temperature threshold
When being worth inconsistent, control temperature adjustment module 200 carries out lower water temperature, and according to default mode of operation switch light modulation module 300
Light modulation decoration is carried out according to default mode of operation, such multifunction fish tank control device can not only keep water temperature in fish jar
It is constant and light modulation can be controlled to decorate, it can meet different user's requests, lift Consumer's Experience.
In one embodiment, multifunction fish tank control device also includes power supply, and power supply is connected with main control module.Specifically
Ground, power supply include rectification, filtering, voltage stabilizing three parts, such as, 220V power supplys are mono- to STC89C52 after over commutation, filtering, voltage stabilizing
Piece machine is powered, and 5V potential circuits figure is as shown in Fig. 2 wherein voltage stabilization part carries out voltage stabilizing using LM7805 chips.
In one embodiment, the constant temperature control circuit of multifunction fish tank control device is as shown in figure 3, thermistor is instant
Sensing the water temperature in fish jar, temperature signal is transformed into electric signal by DS18B20 passes to STC89C52 single chip, then by
STC89C52 single chip judges whether to heat；When temperature is less than preset value, control relay is normally off, connects and adds
Hot pin heats；When temperature reaches preset value, control relay is normally open, disconnects heating rod, stops heating.
In one embodiment, the light adjusting circuit of multifunction fish tank control device is as shown in figure 4, pass through control single chip computer
P0 ends export I/O mouths, further control 8050 triodes conducting or by, realize lighting or extinguishing for LED, configuration is red, green,
The light emitting diode of blue three kinds of different colours, by the control of single-chip microcomputer, make it have flicker and turn colors function.It is multi-functional
Fish jar control device is included in the key-press module switched between different default mode of operations, and key-press module connects with main control module
Connect, the tetra- I/O mouths of P2.0-P2.3 for taking single-chip microcomputer connect key-press module, realize the selection to different default mode of operations.
In one embodiment, a kind of multifunction fish tank, including above-mentioned multifunction fish tank control device and fish tank body,
Water temperature acquisition module, light-adjusting module and the temperature adjustment module of multifunction fish tank control device are arranged at the interior of fish tank body
Wall, the main control module of multifunction fish tank control device are arranged at the outer wall of fish tank body.Specifically, the fish jar sheet of multifunction fish tank
The material of body is the quartz glass of 0.5 millimeter of thickness, the length and width and height of the fish tank body of multifunction fish tank be followed successively by 40 centimetres,
25 centimetres and 50 centimetres, the fish tank body at most amount of being filled with water is 40L or so.The multifunction fish tank, including water temperature acquisition module, temperature
Spend adjustment module, light-adjusting module and main control module, main control module respectively with water temperature acquisition module, temperature adjustment module and tune
Optical module connects, and main control module receives the real-time water temperature of water temperature acquisition module collection, when real-time water temperature and default water temperature threshold value not
Control temperature adjustment module to carry out temperature adjustment when consistent, and light-adjusting module is controlled according to preset mode according to default mode of operation
Carrying out light modulation decoration, such multifunction fish tank can not only keep the constant of water temperature in fish jar and light modulation can be controlled to decorate,
Different user's requests can be met, lift Consumer's Experience.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of multifunction fish tank control device, it is characterised in that including water temperature acquisition module, temperature adjustment module, light modulation mould
Block and the switching light-adjusting module preset the main control module of mode of operation, and the main control module is stored with water temperature predetermined threshold value；
The main control module is connected with the water temperature acquisition module, the temperature adjustment module and the light-adjusting module respectively.
2. multifunction fish tank control device according to claim 1, it is characterised in that the main control module includes
STC89C52 single chip.
3. multifunction fish tank control device according to claim 1, it is characterised in that the water temperature acquisition module includes
DS18B20 temperature sensors.
4. multifunction fish tank control device according to claim 1, it is characterised in that the temperature adjustment module include according to
The relay and PTC thermistor of secondary connection.
5. multifunction fish tank control device according to claim 1, it is characterised in that the temperature adjustment module include according to
The relay and nichrome resistance heating rod of secondary connection.
6. multifunction fish tank control device according to claim 1, it is characterised in that the light-adjusting module conducts including light
Component, light source and coupler, the light source are coupled in the smooth conducting subassembly by the coupler, the light source with it is described
Main control module connects.
7. multifunction fish tank control device according to claim 1, it is characterised in that described to press also including key-press module
Key module is connected with the main control module.
8. multifunction fish tank control device according to claim 1, it is characterised in that also including power supply, the power supply with
The main control module connection.
9. a kind of multifunction fish tank, it is characterised in that including the multifunction fish tank control as described in claim 1-8 any one
Device and fish tank body, the water temperature acquisition module, the light-adjusting module and the institute of the multifunction fish tank control device
The inwall that temperature adjustment module is arranged at the fish tank body is stated, the main control module of the multifunction fish tank control device is set
It is placed in the outer wall of the fish tank body.
10. multifunction fish tank according to claim 9, it is characterised in that the fish tank body is quartz glass material
Fish tank body, the thickness of the quartz glass is 0.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587385.XA CN107505964A (en) | 2017-07-18 | 2017-07-18 | Multifunction fish tank control device and multifunction fish tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587385.XA CN107505964A (en) | 2017-07-18 | 2017-07-18 | Multifunction fish tank control device and multifunction fish tank |
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| Publication Number | Publication Date |
|---|---|
| CN107505964A true CN107505964A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710587385.XA Pending CN107505964A (en) | 2017-07-18 | 2017-07-18 | Multifunction fish tank control device and multifunction fish tank |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111758670A (en) * | 2019-04-01 | 2020-10-13 | 长沙学院 | Automatic sprinkling irrigation system based on sensor control |
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|---|---|---|---|---|
| JP2005110631A (en) * | 2003-10-10 | 2005-04-28 | Kyoei Aqua Tec Kk | Device for controlling water temperature of water tank |
| TW200642587A (en) * | 2005-06-10 | 2006-12-16 | hong-xuan Chen | Flexible illumination apparatus for aquarium |
| CN205455405U (en) * | 2016-03-31 | 2016-08-17 | 中国计量学院 | Aquarium of LED optic fibre illumination |
| CN206005582U (en) * | 2016-07-20 | 2017-03-15 | 宿迁学院 | It is based on the monolithic processor controlled novel fish tanks of STC89C52 |
| CN206145617U (en) * | 2016-08-05 | 2017-05-03 | 福建省水产研究所 | Shui nationality lighting system based on leading -in natural light of optic fibre and combination of LED light |
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2017
- 2017-07-18 CN CN201710587385.XA patent/CN107505964A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005110631A (en) * | 2003-10-10 | 2005-04-28 | Kyoei Aqua Tec Kk | Device for controlling water temperature of water tank |
| TW200642587A (en) * | 2005-06-10 | 2006-12-16 | hong-xuan Chen | Flexible illumination apparatus for aquarium |
| CN205455405U (en) * | 2016-03-31 | 2016-08-17 | 中国计量学院 | Aquarium of LED optic fibre illumination |
| CN206005582U (en) * | 2016-07-20 | 2017-03-15 | 宿迁学院 | It is based on the monolithic processor controlled novel fish tanks of STC89C52 |
| CN206145617U (en) * | 2016-08-05 | 2017-05-03 | 福建省水产研究所 | Shui nationality lighting system based on leading -in natural light of optic fibre and combination of LED light |
Non-Patent Citations (1)
| Title |
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| 津霍姆，L.B: "《单模光纤原理设计及应用》", 31 December 1991, 辽宁大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111758670A (en) * | 2019-04-01 | 2020-10-13 | 长沙学院 | Automatic sprinkling irrigation system based on sensor control |
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Application publication date: 20171222 |