CN207054535U - The Water filtering device for aquarium of adjustable water intensity of flow - Google Patents
The Water filtering device for aquarium of adjustable water intensity of flow Download PDFInfo
- Publication number
- CN207054535U CN207054535U CN201721072803.3U CN201721072803U CN207054535U CN 207054535 U CN207054535 U CN 207054535U CN 201721072803 U CN201721072803 U CN 201721072803U CN 207054535 U CN207054535 U CN 207054535U
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- water
- aquarium
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- intensity
- pool
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Abstract
The utility model provides a kind of Water filtering device for aquarium of adjustable water intensity of flow, including water plate excessively, and by the Viewing Area of water plate isolation, suction zones, filter material area excessively and send pool；Cross water plate and be provided with removable pumping board, cross water plate and flow intensity is adjusted by removable pumping board；Cross water plate and cross water plate and the 3rd mistake water plate including the first water plate, second excessively；First is provided between suction zones and filter material area and crosses water plate；Filter material area and send and second is provided between pool crosses water plate；Send and cross water plate provided with the 3rd between pool and Viewing Area.The utility model can be during filtering to current, and the actual conditions according to aquaculture organism in aquarium carry out any adjustment to the size of current, grows needs to adapt to it.
Description
Technical field
The application is related to aquarium art, specifically, is related to a kind of aquarium filtering of adjustable water intensity of flow
Device.
Background technology
Ornamental aquaria comes into huge numbers of families already, global fan's quantity up to several ten million and in it is zooming become
Gesture.Different fans supports different aquatic animals and plants, and different aquatic animals and plants, its condition grown are had nothing in common with each other.
The different growth phase of same biology also has different condition requirements.Except have seawater fresh water exceptionally, also to water temperature soda acids
The requirement of the various water quality index such as value and dissolved oxygen and ammonia nitrogen is also not quite similar, and flow intensity is also a critically important bar
Part.
Either support several small-sized lovely tropical fish or the beautiful pasture and water of a cylinder or be that a cylinder is colorful
Seawater coral, the microorganism in cylinder inside animals and plants and filtration system, the nutrient supply of its growth course and the nitrification of excreta,
Current will be relied on to carry out.
Ornamental aquaria on the market now, although brand, specification are various, without exception, when being that producer dispatches from the factory
Existing eye and technology have been limited to it, the power of foundation water pump or relevant device has been fixed the intensity size of its current
And can not adjust, although equipment component by changing the water pump of different capacity or can be made to have by changing the rotating speed of water pump
The adjustment of limit, but the progress that can not be suited measures to local conditions adjusts in a big way.
The growth (including seawater and fresh water) of different aquatic animals and plants needs different flow intensities, such as：Jellyfish and
Hippocampus needs sluggish flow, and crystal shrimp and pasture and water need the current of moderate strength, the water that fancy carp and low profile thermal hairtail need
Stream is eager to excel than crystal shrimp and pasture and water again, and seawater coral needs the current stronger than fancy carp and common tropical fish.In addition, supporting
The current that biological for example pasture and water, fish are also required to varying strength in the different phase of growth are grown, for example, part pasture and water were cultivating
Cheng Zhong, appropriate reduction is needed with flow intensity when just having opened cylinder, after pasture and water riotous growth, at this moment just needs larger current strong
Degree.Appropriate current keep pasture and water state to have obvious help to stablizing water quality in cylinder.
In a word, the filter of current existing aquarium, it is impossible to species difference or aquaculture organism according to aquaculture organism
Different growth phases and different degrees of adjustment is carried out to flow intensity, can not be cultivation in aquarium biology create it is more suitable
The preferably environment of its growth.
Apply for content
In view of this, the utility model provides a kind of Water filtering device for aquarium of adjustable water intensity of flow, it is intended to solves mesh
Preceding existing aquarium, its filter can not be according to the species difference of aquaculture organism or the different growth phases pair of aquaculture organism
Flow intensity has different requirements and carries out different degrees of adjustment, can not be that the biology of cultivation in aquarium creates its life preferably
The problem of long environment.
To solve the above problems, the utility model provides a kind of Water filtering device for aquarium of adjustable water intensity of flow, including
Water plate is crossed, and by the Viewing Area of water plate isolation, suction zones, filter material area excessively and send pool；
The water plate of crossing is provided with removable pumping board, and the water plate of crossing adjusts flow intensity by the removable pumping board；
It is described cross water plate and include first cross water plate, second cross water plate and the 3rd and cross water plate；
First is provided between the suction zones and filter material area and crosses water plate, for forcing the water of the Viewing Area to be drained to institute
State filter material area；
The filter material area and described send are provided with second between pool and cross water plate；For the water in the filter material area to be drained to
It is described to send pool；
Described send crosses water plate between pool and the Viewing Area provided with the 3rd, for the water sent in pool to be drained to
The Viewing Area.
Preferably, the water plate of crossing includes through hole；The removable pumping board covers the via area by mobile adjustment
Size, and then adjust current size.
Preferably, the water plate of crossing includes bar-shaped trough；The removable pumping board covers the bar shaped groove area by mobile
Size, and then adjust current size.
Preferably, the removable pumping board includes regulating valve, for controlling the removable pumping board to adjust current
Size.
Preferably, the suction zones are provided with the first Water circulation hydrodynamics device, described for the water in Viewing Area to be drained to
Suction zones.
Preferably, when the Water filtering device for aquarium of the adjustable water intensity of flow is as external filter, it is special
Sign is, described to send pool to be provided with the second Water circulation hydrodynamics device, for the water sent in pool to be drained into described view and admire
Area.
Preferably, the Viewing Area also includes the full-spectrum LED lamp located at the Viewing Area upper end.
Preferably, in addition to located at the constant temperature system for sending pool, for the temperature of water to be kept into constant temperature.
Preferably, in addition to located at suction zones water supply valve, for the aquarium carry out moisturizing.
Preferably, in addition to located at the water discharging valve for sending pool, the draining for aquarium.
The utility model provides a kind of Water filtering device for aquarium of adjustable water intensity of flow, including crosses water plate, Viewing Area, suction
Pool, filter material area and send pool.Wherein, play isolation and force the water plate of crossing of guide functions to be provided with for entering to flow intensity
The removable pumping board of row adjustment, so that during being filtered to current, can be according to the biological reality cultivated in aquarium
The factors such as border situation are adjusted to the size of flow intensity, control the speed of the current of aquarium, make flow intensity adapt to support
The existence requirement of biology is grown, is the environment that aquaculture organism creates its growth preferably in aquarium；Avoid (appearance) existing water
The filter of race's case, it is impossible to which the species according to aquaculture organism is different or different growth phases of aquaculture organism and then strong to current
Degree carries out different degrees of adjustment, can not be the shortcomings that biology of cultivation in aquarium creates the environment of its growth preferably.
Brief description of the drawings
It should be appreciated that the following drawings illustrate only some embodiments of the application, therefore it is not construed as to model
The restriction enclosed, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other related accompanying drawings.
Fig. 1 is the structural representation of the Water filtering device for aquarium of the utility model adjustable water intensity of flow；
Fig. 2 be the utility model adjustable water intensity of flow Water filtering device for aquarium as external filter when knot
Structure schematic diagram；
Fig. 3 is the structural representation for crossing water plate of the Water filtering device for aquarium of the utility model adjustable water intensity of flow.
Reference：
Embodiment
In order to illustrate more clearly of the technical scheme of the application, the right with reference to specific embodiment and figure to the application
It is required that it is described in further detail, it is to be understood that the following drawings illustrate only some embodiments of the application, therefore not
The restriction to scope is should be considered as, the modification of anyone limited number of time made in the application right, still at this
Within the right of application.
To solve the above problems, the utility model provides a kind of Water filtering device for aquarium of adjustable water intensity of flow, including
Water plate 2 is crossed, and by the Viewing Area 3 of the isolation of water plate 2, suction zones 4, filter material area 5 excessively and send pool 6；
The water plate 2 of crossing is provided with removable pumping board 1, described to cross water plate 2 by the removable pumping board 1 to adjust current strong
Degree；
The water plate 2 of crossing includes first and crosses water plate 21, second and cross water plate 22 and the 3rd to cross water plate 23；
First is provided between the suction zones 4 and filter material area 5 and crosses water plate 21, for the water to come will to be drained by Viewing Area 3
Force drainage filter material area 5；
The filter material area 5 and described send are provided with second between pool 6 and cross water plate 22；For by the water in the filter material area 5
It is drained to and send pool 6；
Described send is provided with the 3rd and crosses water plate 23 between pool 6 and the Viewing Area 3, for by the water sent in pool 6
It is drained to Viewing Area 3.
The Water filtering device for aquarium of adjustable water intensity of flow provided by the utility model, including water plate 2 is crossed, Viewing Area 3, inhale
Pool 4, filter material area 5 and send pool 6；Wherein, cross water plate 2 to be used to carry out current pressure water conservancy diversion, and cross water plate 2 provided with removable
Pumping board 1, corresponding adjustment can be made according to actual conditions, during being filtered to current so as to control filter
Interior water velocity；Movement i.e. by may move pumping board 1 adjusted the size in the space that water plate 2 is flowed out, and then adjusted water
The size of stream.And then the tune of adaptability can be carried out according to the different flow intensities in aquarium of aquaculture organism in aquarium
It is whole, such as：Jellyfish and hippocampus need sluggish flow, and crystal shrimp and pasture and water need the current of moderate strength, fancy carp and small-sized
Tropical fish need current again be eager to excel than crystal shrimp and pasture and water, and seawater coral need it is stronger than fancy carp and common tropical fish
Current.In addition, in aquaculture organism, for example pasture and water, fish are also required in the different phase of growth the current of varying strength, for example, portion
Divide pasture and water in breeding process, need appropriate reduction, after pasture and water riotous growth, at this moment just need to flow intensity when just opening cylinder
Want larger flow intensity.
The Water filtering device for aquarium of adjustable water intensity of flow provided by the utility model, can be according to aquaculture organism in aquarium
The different flow intensity in aquarium carry out the adjustment of adaptability, flow intensity is adapted to the existence requirement of aquaculture organism；
Avoid producing the filter of existing aquarium, it is impossible to which the species according to aquaculture organism is different or the different of aquaculture organism grow
Stage and different degrees of adjustment is carried out to flow intensity, can not be that the biology of cultivation in aquarium creates its growth preferably
The shortcomings that environment.In addition, when adjusting flow intensity, different gears can be arranged to according to actual conditions, it is different by setting
Gear, make flow intensity according to gear difference so that change, so as to reach provide more adapt to aquaculture organism existence growth
Environment.
Further, in the utility model, filter material area 5 can carry out the placement of a variety of filtering materials, can be set it is multiple not
Same filter material unit is used to place different filter materials, and placement is separated to different filter materials.Usually, the filter material of filtration system is set
Putting order is：By the direction of current, water inlet → (water pump) → physical filtering → chemical filtering → biofiltration → (water pump) →
Delivery port.It should be noted that most of filter material in chemical filtering, such as softener resin, cob ball, when in use,
Coordinate corresponding detecting instrument, could preferably control water quality, just be unlikely to accommodative excess, be not appropriate for for a long time making for 24 hours
With.For example, the filter material of the outer lauter tub in external filtration system, which is set, includes (pressing water (flow) direction)：1st, coarse filtration cotton, main function are
Physics pre-filtering is carried out, if wrapped outside the water inlet of outer lauter tub, cleaning replacement of being more convenient for.2nd, biochemical cotton, main function are
Bacterial digestion and the nitrobacteria of decomposing organic matter are cultivated, in the case where prime physical filtering is bad, there is certain absorption
The physical filtering effect of organic matter, can increase water quality clarity, so being also required to periodic cleaning.3rd, glass ring, generally,
Glass ring volume will account for the 3~5% of full cylinder water volume, and main function is culture nitrobacteria, to ensure water quality nontoxicity.4th, it is thick
Filter pulp (one layer), main function is physical filtering, breaks up, adsorbs the metabolic waste of bacterium.The filter plant of other species can join
It is configured according to above-mentioned outer lauter tub, other filter materials can be put by actual conditions.The final dosage of biofiltration filter material, specifically divide
Analysis, one is often washed the physical filtering for often changing filter pulp, can substantially reduce the dosage of biofiltration filter material.
Preferably, the water plate 2 of crossing includes through hole 24；The removable pumping board 1 covers the through hole by mobile adjustment
The size of 24 areas, and then adjust the size of current.
It is above-mentioned, cross water plate 2 and be used to current are carried out to force the space of water conservancy diversion to be set to through hole 24, when by may move pumping board 1
Move, and then the size stroke of through hole 24 is blocked, so as to change the size through the current of through hole 24.Specifically can be according to mistake
The density for the article placed in the space that water plate 2 is separated is configured the form of the size of through hole 24.The shape of through hole 24 can be with
For circular, square or other arbitrary shapes that can pass through current.In addition, it may be alternatively provided as on removable pumping board 1 with crossing water
The different size of through hole 24 of through hole 24 on plate 2, by may move the movement of pumping board 1, hidden to crossing the through hole 24 on water plate 2
Gear or partial occlusion, so as to reach to the appropriate adjustment of flow intensity.
Preferably, the water plate 2 of crossing includes bar-shaped trough 25；The removable pumping board 1 covers the bar-shaped trough by mobile
The size of 25 areas, and then adjust the size of current.
It is above-mentioned, cross water plate 2 and be used to current are carried out to force the space of water conservancy diversion to be set to bar-shaped trough 25, when by may move pumping board
1 is moved, and then the size stroke of through hole 24 is blocked, so as to change the size through the current of through hole 24.Specifically can foundation
The density for crossing the article placed in the space that water plate 2 is separated is configured the form of bar-shaped trough 25, such as size, width etc..
In addition, it may be alternatively provided as on removable pumping board 1 with crossing the different size of bar-shaped trough 25 of bar-shaped trough 25 or other shapes on water plate 2
Shape, by may move the movement of pumping board 1, blocked or partial occlusion to crossing the bar-shaped trough 25 on water plate 2, so as to reach to water
Intensity of flow suitably adjusts.
Preferably, the removable pumping board 1 includes regulating valve 11, for controlling the removable pumping board 1 to adjust water
The size of stream is adjusted.
Above-mentioned, the effect of regulating valve 11 is easy for being adjusted removable pumping board 1, regulating valve 11 may be configured as pulling,
Slide switch, or it is set to button, knob operation etc.；In addition, in filtration system, adjust one of region or
During the flow velocity in several regions, overall filter effect is considered, otherwise can be caused due to the flow velocity increase or reduction of respective regions
Other regions occur stopping or the phenomenon of overflow, and the flow velocity of all areas will accomplish the balance of the water-carrying capacity flowed in and out, institute
To need to carry out unified adjustment to removable pumping board 1 by regulating valve 1117, accordingly, unified regulating valve 11 can be set, enter
And accomplish close or identical to the adjustment amplitude of all removable pumping boards 1.It is adjusted in the regulating valve 11 to may move pumping board 1
When, also unified regulation can be carried out to flow velocity or pore size by central control system according to actual conditions.
Preferably, the suction zones 4 are provided with the first Water circulation hydrodynamics device 41, for the water in Viewing Area 3 to be drained to
The suction zones 4.
Preferably, it is described when the Water filtering device for aquarium of the adjustable water intensity of flow is as external filter
Pool 6 is sent to be provided with the second Water circulation hydrodynamics device 62, for the water sent in pool 6 to be drained into the Viewing Area 3.
When the Water filtering device for aquarium of the adjustable water intensity of flow is as external filter, filter can be set
It is set to bottom filter system, the back of the body filter system or upper filter system etc..Wherein, Water circulation hydrodynamics device can be immersible pump or external water
Pump, for current to be transferred to another region from original region.In the utility model, the first Water circulation hydrodynamics device 41 is used
In current are drawn into suction zones 4 from Viewing Area 3, the second Water circulation hydrodynamics device 62 is used to the water for sending pool 6 being delivered to view and admire
Area 3.
Preferably, the Viewing Area 3 also includes the full-spectrum LED lamp 31 located at the upper end of Viewing Area 3.
It is to be appreciated that the LED aquatic animals lamps used in aquarium, mainly make of LED lamp bead, can be according to difference
Function be divided into a variety of, different aquariums, it is necessary to different aquatic animals lamp.Such as：LED pasture and water growth lamps, LED pasture and water light compensating lamps,
It is exactly needs of the root according to plant growth, sends different spectrum to substitute sunshine using different LED, grown to pasture and water
Build good light environment.
Wherein：
(1) the aquatic animals lamp of white spectrum, fluorescent tube can be made to send ultrawhite light, make water body transparent, clear, pasture and water color is true to nature, together
When can promote pasture and water photosynthesis, promote pasture and water to grow.It is preferable to green pasture and water effect, suitable for the depth of water in 50~60cm
Following water weeds growth, it is better.The illumination of some lamps is adapted to various pasture and water and fish growth such as sunlight.Have
Strong light permeability, makes fish color more dazzlingly beautiful, is primarily adapted for use in as aquarium and Shui nationality landscape and sight
Fish provide optimal illumination；
(2) the aquatic animals lamp of red spectrum, fish can be promoted to grow up healthy and sound, fish is bright-colored after this light-illuminating, and fish body is fresh
Living, water body is transparent limpid, better to red fish.Especially suitable for fingerlings such as red goldfish, seven color angles, blood parrots
Illumination；
(3) the aquatic animals lamp of blue color spectrum, for water after this light-illuminating, color is sky blue, limpid as seawater, true to nature.
It is especially suitable to the biology such as coral, duckbilled fish, shrimp.Can promote the calcareous absorption of coral, synthesis of vitamin d 3, make its health into
It is long, it is bright in colour.Synthesis of vitamin d 3 can be helped, promotes the calcareous absorption of coral.Make coral growth bright in colour；
(4) in, low colour temperature be used in mixed way pasture and water lamp, sending lamp, soft, partially red, brightness is high, promotes the growth of deep layer pasture and water
Development.The pasture and water of a variety of colors are true to nature, and limb is sturdy with making after lamp, more applicable to mixing aquatic weed cylinder.Especially suitable for red, green
Pasture and water are mixed, it is good to red pasture and water effect, it is more applicable to aquatic weed cylinder of the depth of water in 50~below 60cm, it is better.
It is full-spectrum LED aquatic animals lamp used in the utility model.
Preferably, in addition to located at the constant temperature system 63 for sending pool 6, for the temperature of water to be kept into constant temperature.
Constant temperature system 63 in aquarium, for controlling the temperature in aquarium being adapted to the temperature of biological growth in aquarium
In the range of degree, specifically, may include heating system, refrigeration system, temperature sensor, timer, temperature pre-warning system etc..It can lead to
Cross and set preset temperature range to carry out constant setting to the temperature of aquarium, when temperature is more than the preset temperature range upper limit, startup
Refrigeration system is cooled；When temperature is less than preset temperature range lower limit, startup heating system carries out warming temperature.
Preferably, in addition to located at suction zones 4 water supply valve 42, for the aquarium carry out moisturizing.
It is above-mentioned, water supply valve 42 access for the water that has dechlorinated.Further, can be by central control system to water supply valve
42 and water discharging valve 61 be controlled, after getting waterlevel data by level sensor, carry out automatic water supplement operation.
Preferably, in addition to located at the water discharging valve 61 for sending pool 6, the draining for aquarium.
Above-mentioned, water discharging valve 61 is used for the draining of aquarium, when being applied particularly to aquarium the water in case being changed
Operation, in the case of there is biology in aquarium, to changing water process and need to carry out a small amount of multiple substitute mode in case, i.e.,
It is multiple batches of to carry out plus water and draining for low discharge, it specifically can manually control or central control system is controlled.For example,
Moisturizing is controlled by central control system：The advanced a small amount of water draining of row aquarium, then carries out a small amount of moisturizing, and circulation carries out above-mentioned steps
So as to reach a small amount of multiple moisturizing effect, to ensure water quality in aquarium, the balance of temperature.
It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity
For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Applicant state, the application by those listed above it is a series of detailed description only for the application can
Row embodiment illustrates, but the application is not limited to above-mentioned detailed process equipment and technological process, i.e., it is not intended that
The application and should relying on above-mentioned detailed process equipment and technological process to implement.Person of ordinary skill in the field should be bright
, any improvement to the application, the addition of equivalence replacement and auxiliary element to each raw material of the application product, concrete mode
Selection etc., within the scope of all falling within the protection domain of the application and disclosing.
Claims (10)
1. a kind of Water filtering device for aquarium of adjustable water intensity of flow, it is characterised in that including crossing water plate, and by crossing water plate
The Viewing Area of isolation, suction zones, filter material area and send pool；
The water plate of crossing is provided with removable pumping board, and the water plate of crossing adjusts flow intensity by the removable pumping board；
It is described cross water plate and include first cross water plate, second cross water plate and the 3rd and cross water plate；
First is provided between the suction zones and filter material area and crosses water plate, for the water of the Viewing Area to be drained into the filter material
Area；
The filter material area and described send are provided with second between pool and cross water plate, described for the water in the filter material area to be drained to
Send pool；
Described send crosses water plate between pool and the Viewing Area provided with the 3rd, described for the water sent in pool to be drained to
Viewing Area.
2. the Water filtering device for aquarium of adjustable water intensity of flow as claimed in claim 1, it is characterised in that the water plate of crossing includes
Through hole；The removable pumping board adjusts the size of current by the mobile size for covering the through hole.
3. the Water filtering device for aquarium of adjustable water intensity of flow as claimed in claim 1, it is characterised in that the water plate of crossing includes
Bar-shaped trough；The removable pumping board adjusts the size of current by the mobile size for covering the bar shaped groove area.
4. the Water filtering device for aquarium of adjustable water intensity of flow as described in claim any one of 1-3, it is characterised in that it is described can
Mobile pumping board includes regulating valve, for controlling the removable pumping board to adjust the size of current.
5. the Water filtering device for aquarium of adjustable water intensity of flow as claimed in claim 4, it is characterised in that
The suction zones are provided with the first Water circulation hydrodynamics device, for the water in Viewing Area to be drained into the suction zones.
6. the Water filtering device for aquarium of adjustable water intensity of flow as claimed in claim 5, in the water of the adjustable water intensity of flow
When race's case filter is as external filter, it is characterised in that
It is described to send pool to be provided with the second Water circulation hydrodynamics device, for the water sent in pool to be drained into the Viewing Area.
7. the Water filtering device for aquarium of adjustable water intensity of flow as claimed in claim 6, it is characterised in that the Viewing Area also wraps
Include the full-spectrum LED lamp located at the Viewing Area upper end.
8. the Water filtering device for aquarium of adjustable water intensity of flow as claimed in claim 7, it is characterised in that also include located at described
The constant temperature system in pool is sent, for the temperature of water to be kept into constant.
9. the Water filtering device for aquarium of adjustable water intensity of flow as claimed in claim 8, it is characterised in that also include located at water suction
The water supply valve in area, moisturizing is carried out for the aquarium.
10. the Water filtering device for aquarium of adjustable water intensity of flow as claimed in claim 9, it is characterised in that also include being located at sending
The water discharging valve in pool, the draining for aquarium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072803.3U CN207054535U (en) | 2017-08-24 | 2017-08-24 | The Water filtering device for aquarium of adjustable water intensity of flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072803.3U CN207054535U (en) | 2017-08-24 | 2017-08-24 | The Water filtering device for aquarium of adjustable water intensity of flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207054535U true CN207054535U (en) | 2018-03-02 |
Family
ID=61514140
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721072803.3U Expired - Fee Related CN207054535U (en) | 2017-08-24 | 2017-08-24 | The Water filtering device for aquarium of adjustable water intensity of flow |
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| CN (1) | CN207054535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479808A (en) * | 2018-12-06 | 2019-03-19 | 温州职业技术学院 | A kind of aquarium filter device |
-
2017
- 2017-08-24 CN CN201721072803.3U patent/CN207054535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479808A (en) * | 2018-12-06 | 2019-03-19 | 温州职业技术学院 | A kind of aquarium filter device |
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Granted publication date: 20180302 Termination date: 20180824 |