CN107125184A - A kind of negative pressure fish jar and its control system - Google Patents
A kind of negative pressure fish jar and its control system Download PDFInfo
- Publication number
- CN107125184A CN107125184A CN201710512648.0A CN201710512648A CN107125184A CN 107125184 A CN107125184 A CN 107125184A CN 201710512648 A CN201710512648 A CN 201710512648A CN 107125184 A CN107125184 A CN 107125184A
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- pump
- negative pressure
- water
- fish jar
- cylinder
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 203
- 238000001514 detection method Methods 0.000 claims abstract description 53
- 239000001301 oxygen Substances 0.000 claims abstract description 42
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 42
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract 2
- 238000005086 pumping Methods 0.000 claims description 46
- 239000010865 sewage Substances 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- 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
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/047—Liquid pumps for aquaria
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Farming Of Fish And Shellfish (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
A kind of negative pressure fish jar and its control system, are related to negative pressure fish jar technology, and the present invention includes：Cylinder body, bottom cylinder, and its detection current control system and detection control pressurer system, the detection current control system are made up of detection current control water circulation system and the detection current control gas circulatory system；The cylinder body includes positive laminate section and negative pressure part, and the positive laminate section is provided with gathering hole, side opening, overflow launder, there is the hanging side plate for constituting negative pressure part between side opening and negative pressure part, and the bottom cylinder is located at below cylinder body；The detection current control water circulation system is made up of top clean water system and bottom sewerage and control circuit；The detection current control gas circulatory system is made up of feed pump, negative pressure generator, exhaust tube, air exhaust nozzle device, three-in-one Shui nationality pump, oxygen supply pump, bubble bar, auxiliary gas-complementing devices and monitoring current control circuit.The present invention can also control negative pressure fish jar by detecting pressure.
Description
Technical field
The invention belongs to negative pressure fish jar technical field, and in particular to a kind of negative pressure fish jar and its detection current control system with
Detect control pressurer system.
Background technology
The negative pressure fish jar of existing utilization negative pressure generator pumping, bottom sewage water filtration can only use closed circulation system, many
With the barrel type apparatus such as feces separator, sand cylinder, the reason space-consuming such as shape, height, it is impossible to add the open type of bottom cylinder with drip cylinder
The circulatory system；The gas circulatory system is evacuated using negative pressure generator, can only use diffuser air inlet, the form of expression is single, it is impossible to use three
Unify Shui nationality pump, oxygen supply pump air inlet；Because being mounted with diffuser, bottom cylinder feed pump outlet pipe must install check-valves, there is spring
Check-valves noise is big, the small easy leak that is not closed completely sometimes of no spring-loaded check valve back pressure；Top air exhaust nozzle design is unreasonable, by the water surface
Influence of fluctuations, actual water level, which is higher by under air exhaust nozzle, exports a lot, and water pump the phenomenon that a large amount of bubbles pour in fish jar occurs after stopping, right
Cylinder body and biological impact in cylinder are larger；Without making-up air device so that fish jar gathering hole, top SEA LEVEL VARIATION are big.It is described above to install
Check-valves, air exhaust nozzle design be unreasonable, without making-up air device, can not with the drawback such as oxygen pump many, Difficulty.
The content of the invention
The present invention seeks to the technical deficiency for the negative pressure fish jar for solving to be evacuated using negative pressure generator, there is provided a kind of negative pressure fish
Cylinder and its control system.
The present invention is achieved by the following technical solutions：
A kind of negative pressure fish jar and its control system, it is characterised in that：The negative pressure fish jar and its control system include：Cylinder
Body, bottom cylinder, and its detection current control system and detection control pressurer system, the detection current control system is by detection electric current
Control water circulation system and detection current control gas circulatory system composition；
The cylinder body includes positive laminate section and negative pressure part, and the positive laminate section is provided with gathering hole, side opening, overflow launder,
There is the hanging side plate for constituting negative pressure part between side opening and negative pressure part, the bottom cylinder is located at below cylinder body；
The detection current control water circulation system is by top clean water system, bottom sewerage and detection current control electricity
Road is constituted, and the top clean water system includes feed pump, upper hose, water supply connector, overflow launder, downcomer, clear water drip cylinder, bottom
Cylinder, the feed pump is located in the cylinder of bottom, and the clear water drip cylinder is located at bottom cylinder inner chamber top, and the water supply connector is arranged on vacantly
Top clear water is discharged into clear water drip cylinder by the upper end of side plate, the overflow launder connection downcomer；The bottom sewerage includes
Bottom water out adapter, secondary water pump, outlet pipe, sewage drip cylinder, bottom cylinder, feed pump, upper hose, water supply connector, the secondary water pump one
End is connected by pipeline with the bottom water out adapter set on fish jar bottom plate, other end connection outlet pipe, and fish jar bottom sewage is the bottom of through
Water out adapter, secondary water pump, outlet pipe are discharged into sewage drip cylinder, and the sewage drip cylinder is located at bottom cylinder inner chamber top；The detection
Current control water circulation system controls top clean water system and bottom sewerage safe operation by detection current control circuit, i.e.,
Detect the secondary pump operation of feed pump detection current control；
The detection current control gas circulatory system is closed by feed pump, negative pressure generator, exhaust tube, air exhaust nozzle device, three
One Shui nationality pump, oxygen supply pump, bubble bar, auxiliary gas-complementing devices and detection current control circuit composition, the feed pump water outlet are installed
Threeway connects negative pressure generator and upper hose respectively, and the three-in-one Shui nationality pump is located at fish jar side opening and is immersed in the water, described
Auxiliary gas-complementing devices are located at the lower end of the hanging side plate of side opening, and the oxygen supply pump connection is located at the bubble bar of fish jar bottom, described
Exhaust tube one end is connected with negative pressure generator, and the exhaust tube other end is connected with top air extractor；
Further, the air exhaust nozzle device is made up of pumping seat, pumping core, draft hood and locking nut, the pumping seat
At the default aspirating hole of top plate, the pumping seat is provided with the internal thread being engaged with pumping core, is provided with and locking nut
The external screw thread of cooperation, the pumping is located at pumping core bottom, if the draft hood bottom surface and side wall upper part circumferencial direction are provided with
It is provided with pagoda joint, pumping core and is exported in the middle part of draft hood at the top of dry aperture, the pumping core, the height exported under pumping core
It is exactly water level general height at the top of default fish jar；
Further, the auxiliary gas-complementing devices are U-tube, and the U-tube is by short tube portion, long pipe portion and U-tube connecting portion
Composition, the short tube portion is located on the outside of negative pressure part, and the long pipe portion is located at the inner side of negative pressure part, the short tube portion and long tube
There is the opening of diminution portion upper end；
Further, the AC high currents of feed pump are converted into low current by the detection current control circuit by transformer T1,
AC current signals are switched to voltage signal by sample resistance R1, and exchange is turned direct current by rectification circuit, and signal enters the pin of comparison circuit 3,
Electric current conversion value is compared with setting value, control output pin it is high with it is low, 3 pin voltages be higher than 2 pin when, 1 pin output height, 2 pin voltages
During higher than 3 pin, the output of 1 pin is low；1 pin signal is given to triode b poles, when b is extremely high, triode ON, relay K1 adhesives；b
When extremely low, triode cut-off, relay K1 is failure to actuate, so that secondary water pump, oxygen supply pump, the operation of three-in-one Shui nationality pump are controlled,
The pin voltage of comparison circuit 2 is obtained by bleeder circuit, and bleeder circuit sets a value, is given to the pin of comparison circuit 2, sets feed pump
When electric current reaches 80% and the above of rated current, relay K1 adhesives, then secondary water pump, oxygen supply pump, three-in-one Shui nationality pump are all
Allow to obtain electric operation；
Further, the water inlet level of subsistence of the water supply connector is higher than the height exported under the air extractor pumping core of top
Degree, the height in the short tube portion of the auxiliary gas-complementing devices is slightly below the height of the overflow plate set in overflow launder, higher than hanging side
The lower edge height of plate, the horizontal segment of the secondary pumping line is higher than fish jar side opening low water line, in the appropriate position of outlet pipe
Put out aperture.
Further, the actual flow that the feed pump enters fish jar through water supply connector is greater than secondary water pump and discharged through outlet pipe
Actual flow, the exhaust capacity of the negative pressure generator is greater than total air inlet ability of oxygen supply pump, three-in-one Shui nationality pump.
Further, the pumping core and the auxiliary gas-complementing devices are made of not infiltrating material.
Further, the detection control pressurer system is the installation four-way at the feed pump water outlet, is connected respectively described
Negative pressure generator, electro connecting pressure gauge and the upper hose；
When the feed pump delivery port pressure reaches rated pressure more than 90%, electro connecting pressure gauge internal relay K2 is obtained
Electricity, K2 normally opened electric shock closure, external control relay KM obtains electric, its electric shock KM1 self-insurances, KM2 closures, it is allowed to the secondary water
Pump, oxygen supply pump, three-in-one Shui nationality pump operation, switch K5, K4, K3 closure are respectively turned on the secondary water pump, oxygen supply pump, three-in-one
Shui nationality pump, now the negative pressure generator is working properly, and fish jar is normally run；The feed pump delivery port pressure drops to specified
When pressure is below 80%, electro connecting pressure gauge internal relay K1 obtains electric, K2 and disconnected, and K1 normally-closed contact is opened, external control
Relay KM dead electricity, KM2 normally opened contacts are opened, and the secondary water pump, oxygen supply pump, three-in-one Shui nationality pump are all powered off, and institute is closed in time
State secondary water pump, oxygen supply pump, three-in-one Shui nationality pump, it is ensured that bottom cylinder not spilling water.
The present invention compared with prior art, with advantages below and beneficial effect：
Remove bottom sewage barrel type filtering, bigger, the enhancing filter effect for making full use of cabinet space bottom cylinder to do, if
Standby simpler, bottom cylinder, drip cylinder are safeguarded more convenient；
The single intake method of diffuser will can only be used, be changed to three-in-one Shui nationality pump, oxygen supply pump air inlet, three-in-one Shui nationality pump
Air inlet position, outlet form and diffuser inside fish jar is much like, and oxygen supply pump has sand head, gas in fish jar bottom outlet
The diversified forms such as bar are steeped, so intake method is more superior；
The optimization design of air exhaust nozzle device, increases auxiliary gas-complementing devices so that when termination of pumping, power failure, cylinder is interior, bottom cylinder water level becomes
Change little, be not in that a large amount of bubbles pour in the phenomenon of fish jar and occurred, to cylinder body and biology in cylinder without impacting, it is more steady；
Check-valves can just be removed by removing diffuser, eliminate a trouble point, be guaranteed safely beneficial to popularization.
The present invention can also control negative pressure fish jar by detecting pressure, and 4 are connect on feed pump outlet pipe and is led to, a side joint is born
Generator, a side joint electro connecting pressure gauge are pressed, electro connecting pressure gauge can set the size of high-low pressure operating pressure so that water pump
When reaching rated pressure more than 90%, secondary water pump, oxygen supply pump, three-in-one Shui nationality pump can obtain electric operation；So that pressure is reduced to
Rated pressure less than 80% when, secondary water pump, oxygen supply pump, three-in-one Shui nationality pump do not allow operation, it is ensured that feed pump flow is more than
The secondary water pump, bottom cylinder not spilling water；Exhaust capacity is more than air inlet ability, and negative pressure water level does not decline, no spilling water risk.
Brief description of the drawings
Fig. 1 is a kind of negative pressure fish basin arrangement schematic diagram using detection current control system；
Fig. 2 is Fig. 1 top view；
Fig. 3 is a kind of negative pressure fish basin arrangement schematic diagram using detection control pressurer system；
Fig. 4 is the structural representation of air exhaust nozzle device；
Fig. 5 is the structural representation of auxiliary gas-complementing devices；
Fig. 6 is detection current control system schematic diagram；
Fig. 7 is detection control pressurer system circuit diagram.
Wherein：1- cylinder bodies, 2- bottoms cylinder, 3- gathering holes, 4- side openings, 5- overflow launders, the hanging side plates of 6-, 7- feed pumps, 8-
Upper hose, 9- water supply connectors, 10- downcomers, 11- clear water drips cylinder, 12- bottoms water out adapter, the secondary water pumps of 13-, 14- outlet pipes,
15- sewage drips cylinder, 16- negative pressure generators, 17- exhaust tubes, 18- air exhaust nozzles device, 18.1- pumping seat, 18.2- pumping core,
18.3- draft hoods, 18.4- locking nuts, 18.3.1- apertures, 18.2.1- pagodas joint, the three-in-one Shui nationality pumps of 19-, 20- oxygen supplys
Pump, 21- bubbles bar, 22- auxiliary gas-complementing devices, 22.1- short tubes portion, the long pipe portions of 22.2-, 22.3-U shapes pipe jointing part, 23- tri-
Logical, 24- electro connecting pressure gauges, 25- four-ways.
Embodiment
Clear, complete description is carried out to technical scheme below by embodiment.
As shown in Figure 1, 2, a kind of negative pressure fish jar and its control system, including：Cylinder body 1, bottom cylinder 2, and its detection electric current control
System processed and detection control pressurer system, the detection current control system is by detection current control water circulation system and detection electricity
The flow control gas circulatory system is constituted；
The cylinder body 1 includes：Positive laminate section and negative pressure part, the positive laminate section are provided with gathering hole 3, side opening 4, overflow
Groove 5, there is the hanging side plate 6 for constituting negative pressure part between side opening 4 and negative pressure part, the bottom cylinder 2 is located at the lower section of cylinder body 1；
The detection current control water circulation system is by top clean water system, bottom sewerage and detection current control electricity
Road is constituted, and the top clean water system includes feed pump 7, upper hose 8, water supply connector 9, overflow launder 5, downcomer 10, Crystal drops were dripping down
Flow cylinder 11, bottom cylinder 2, the feed pump 7 is located in bottom cylinder 2, the clear water drip cylinder 11 is located at the inner chamber top of bottom cylinder 2, it is described enter
Water swivel 9 is arranged on the upper end of hanging side plate 6, and top clear water is discharged into clear water drip cylinder by the connection of overflow launder 5 downcomer 10
11；The bottom sewerage includes bottom water out adapter 12, secondary water pump 13, outlet pipe 14, sewage drip cylinder 15, bottom cylinder 2, main water
Pump 7, upper hose 8, water supply connector 9, described secondary one end of water pump 13 pass through the bottom water out adapter 12 that is set on pipeline and fish jar bottom plate
Connection, other end connection outlet pipe 14, fish jar bottom sewage is discharged into sewage through bottom water out adapter 12, secondary water pump 13, outlet pipe 14
Drip cylinder 15, the sewage drip cylinder 15 is located at the inner chamber top of bottom cylinder 2；
The detection current control water circulation system controls top clean water system and bottom dirty by detection current control circuit
Water system security is run, that is, detects that the secondary water pump 13 of detection current control of feed pump 7 is operated；
The detection current control gas circulatory system is by feed pump 7, negative pressure generator 16, exhaust tube 17, air exhaust nozzle device
18th, three-in-one Shui nationality pump 19, oxygen supply pump 20, bubble bar 21, auxiliary gas-complementing devices 22 and detection current control circuit composition, described
The water outlet of feed pump 7 installs threeway 23 and connects negative pressure generator 16 and upper hose 8 respectively, and the three-in-one Shui nationality pump 19 is located at fish jar
Side opening 4 is simultaneously immersed in the water, and the auxiliary gas-complementing devices 22 are located at the lower end of the hanging side plate 6 of side opening 4, and the oxygen supply pump 20 connects
The bubble bar 21 of fish jar bottom is connected in, described one end of exhaust tube 17 is connected with negative pressure generator 16, and the exhaust tube 17 is another
End is connected with top air extractor 18；
The actual flow that the feed pump 7 enters fish jar through water supply connector 9 is greater than secondary water pump 13 and discharged through outlet pipe 14
Actual flow, the exhaust capacity of the negative pressure generator 16 is greater than total air inlet energy of oxygen supply pump 20, three-in-one Shui nationality pump 19
Power.
The water inlet level of subsistence of the water supply connector 9 is higher than the height of 18.2 times outlets of the pumping core of air exhaust nozzle device 18
Degree, the height in the short tube portion 22.1 of the auxiliary gas-complementing devices 22 is slightly below the height of the overflow plate set in overflow launder 5, is higher than
The hanging lower edge of side plate 6 height, the horizontal segment of the secondary outlet pipe 14 of water pump 13 is higher than the low water line of fish jar side opening 4, gone out
Open aperture in the appropriate location of water pipe 14.
As shown in figure 4, the air exhaust nozzle device 18 is by pumping seat 18.1, pumping core 18.2, draft hood 18.3 and locking screw
Mother 18.4 is constituted, and the pumping seat 18.1 is arranged at the default aspirating hole of top plate, and the pumping seat 18.1 is provided with and pumping core
18.2 internal threads being engaged, provided with the external screw thread coordinated with locking nut 18.4, the draft hood 18.3 is located at pumping core
18.2 bottoms, the bottom surface of draft hood 18.3 and side wall upper part circumferencial direction are provided with some aperture 18.3.1, the pumping core
18.2 tops are provided with pagoda joint 18.2.1, and the 18.2 times outlets of pumping core are under the middle part of draft hood 18.3, the pumping core 18.2
The height of outlet is exactly water level general height at the top of default fish jar；
As shown in figure 5, the auxiliary gas-complementing devices 22 are U-tube, the U-tube is by short tube portion 22.1, long pipe portion 22.2
Constituted with U-tube connecting portion 22.3, the short tube portion 22.1 is located on the outside of negative pressure part, the long pipe portion 22.2 is located at negative pressure portion
Divide inner side, there is the opening of diminution the short tube portion 22.1 and the upper end of long pipe portion 22.2；
As shown in Figure 4,5, the pumping core 18.2 and the auxiliary gas-complementing devices 22 are made of not infiltrating material.
As shown in fig. 6, the AC high currents of feed pump 7 are converted into small electricity by the detection current control circuit by transformer T1
AC current signals are switched to voltage signal by stream, sample resistance R1, and exchange is turned direct current by rectification circuit, and signal enters comparison circuit 3
Pin, electric current conversion value is compared with setting value, control output pin it is high with it is low, when 3 pin voltages are higher than 2 pin, the output of 1 pin is high, and 2 pin are electric
When pressure is higher than 3 pin, the output of 1 pin is low；1 pin signal is given to triode b poles, when b is extremely high, triode ON, relay K1 adhesives；
When b is extremely low, triode cut-off, relay K1 is failure to actuate, so as to control secondary water pump 13, oxygen supply pump 20, three-in-one Shui nationality pump 19
Operation, the pin voltage of comparison circuit 2 obtained by bleeder circuit, and bleeder circuit sets a value, is given to the pin of comparison circuit 2, if
When determining the electric current of feed pump 7 and reaching 80% and the above of rated current, relay K1 adhesives, then secondary water pump 13, oxygen supply pump 20, three
Unification Shui nationality pump 19 all allows to obtain electric operation.
As shown in figure 3, a kind of negative pressure fish jar using detection control pressurer system, is pacified at the water outlet of feed pump 7
Four-way 25 is filled, the negative pressure generator 16, electro connecting pressure gauge 24 and the upper hose 8 are connected respectively, other structures are with reference to figure
1st, 2 chatted.
As shown in fig. 7, when the delivery port pressure stability of feed pump 7 reaches rated pressure more than 90%, electric contact pressure
The internal relay K2 of table 24 obtains electric, and K2 normally opened electric shock closure, external control relay KM obtains electric, its electric shock KM1 self-insurances, KM2
Closure, it is allowed to which the secondary water pump 13, oxygen supply pump 20, three-in-one Shui nationality pump 19 are run, switch K5, K4, K3 closure is respectively turned on institute
Secondary water pump 13, oxygen supply pump 20, three-in-one Shui nationality pump 19 are stated, now the negative pressure generator 16 is working properly, meets exhaust capacity
More than the requirement of air inlet ability, fish jar is normally run；The delivery port pressure of feed pump 7 drops to rated pressure below 80%
When, the internal relay K1 of electro connecting pressure gauge 24 obtains electric, K2 and disconnected, and K1 normally-closed contact is opened, and external control relay KM loses
Electricity, KM2 normally opened contacts are opened, and the secondary water pump 13, oxygen supply pump 20, three-in-one Shui nationality pump 19 are all powered off；When the event of feed pump 7
When hindering outlet pressure deficiency, the exhaust capacity of negative pressure generator 16 declines, and the secondary water pump 13, oxygen supply pump are now closed in time
20th, three-in-one Shui nationality pump 19, it is ensured that the flow of feed pump 7 is more than the secondary water pump 13, bottom cylinder not spilling water；Exhaust capacity is more than
Air inlet ability, negative pressure water level does not decline, no spilling water risk.
The course of work and principle of the present invention：
When feed pump 7 is run, secondary water pump 13 is closed, the feed pump 7 in water circulation system is by upper hose 8 and is arranged on outstanding
The water supply connector 9 of the empty upper end of side plate 6 is intake into fish jar, the downcomer 10 that the overflow water in overflow launder 5 is set by its bottom surface
Into clear water drip cylinder 11, bottom cylinder 2 is finally flowed into；
During without detection current control, secondary water pump 13 is run, feed pump 7 is closed, and sewage is through bottom water out adapter 12, secondary water pump
13rd, outlet pipe 14, into sewage drip cylinder, reenter bottom cylinder 2, as a result the spilling water of bottom cylinder 2.
Current control water circulation system is detected, when setting feed pump 7 reaches rated current 90% and the above, just allows secondary water
Pump 13 obtains electric operation, and when feed pump 7, secondary water pump 13 are all run, the actual flow that feed pump 7 enters fish jar through water supply connector 9 is big
Water enters cylinder body 1 on the actual flow discharged in secondary water pump 13 through outlet pipe 14, feed pump 7, and a part enters bottom through overflow launder 5
Cylinder 2 a, part is further separated into bottom cylinder 2 through secondary water pump 13, stable, when the water inlet blocking current of feed pump 7 is not enough, crosses and flows through
Locking will be all realized in the case of the various faults such as load, stuck rotor, the end of a thread virtual connection, power failure, secondary water pump 13 must not be run, it is ensured that fish
Cylinder not spilling water.
Depression generator 16 in the detection current control gas circulatory system is connected by exhaust tube 17 with air exhaust nozzle device 18
Tap into capable pumping；Three-in-one Shui nationality pump 19, oxygen supply pump 20, bubble bar 21 and auxiliary gas-complementing devices 22 are supplied；
Oxygen supply pump 20, three-in-one Shui nationality pump 19 itself can adjust air inflow, in order to increase sight, science popularization, with calmly
When device the interim air inlet of oxygen supply pump 20, three-in-one Shui nationality pump 19 is set respectively, as a result air inflow is uneven, to ensure fish jar
Not spilling water, exhaust capacity of total air inlet ability less than negative pressure generator 16 of setting, but do not represent the air inflow of a certain period
Always it is less than rate of air sucked in required.When normal operation, what negative pressure generator 16 was extracted out has gas and water or mixing 3 kinds of situations of aqueous vapor, if entered
Gas ability is less than exhaust capacity but necessarily has air inlet, and what exhaust tube 17 was extracted out is mixing aqueous vapor, if for a long time without air inlet, pumping
What pipe 17 was extracted out is water, because the inside of draft hood 18.3 fluctuation very little, and high water level can slightly above 18.2 times outlets of pumping core.
Said process will consider the influence of upper hose 8, and water pump is out of service, and upper hose 8 is because removing water level in check-valves pipe
Decline, pressure reaches balance with top negative pressure, the water inlet level of subsistence of water supply connector 9 is higher than the pumping core of air exhaust nozzle device 18
The height of 18.2 times outlets, top water will not be returned into upper hose 8, top water level is slightly increased.
When having a power failure or during water pump damage, oxygen supply pump 20, three-in-one Shui nationality pump 19 all stop, at the top of fish jar actual water level with
The internal state of exhaust tube 17 substantially divides 3 kinds：(1) water level is exported for 18.2 times less than pumping core, is gas in exhaust tube 17；(2) water level
Substantially maintain an equal level with the 18.2 times outlets of pumping core, be gas-vapor mix gas in exhaust tube 7；(3) water level is slightly above under pumping core 18.2
Mouthful, it is water in exhaust tube 7.
Above (1), the water of bottom cylinder 2 flows through the lifting height of exhaust tube 17 equal to negative pressure part height of water level in cylinder body 1, and the two reaches
To balance, less, such case auxiliary gas-complementing devices 22 do not work for the top high water level of cylinder body 1, the change of the low water level of gathering hole 3.
Above (3), it is hydraulic pressure in water, exhaust tube 7 that top high water level, which is slightly above in the 18.2 times outlets of pumping core, exhaust tube 7,
More than the hydraulic pressure of negative pressure part in cylinder body 1, as a result current are descending in exhaust tube 7, cause under gathering hole 3, the water level of side opening 4 start
Drop.
Auxiliary gas-complementing devices 22 are not installed, the water level decreasing of side opening 4 is to less than the hanging lower edge of side plate 2, this process meeting
Last very long, has large quantity of air to be poured in through gathering hole 3 or side opening 4 inside fish jar, water level is descend below when top afterwards
18.2 times outlets of core are evacuated, air enters exhaust tube 7 and causes inside water pressure and the top negative-pressure balancing of cylinder body 1, while gathering hole 3,
The water level of side opening 4 rises above the hanging lower edge of side plate 2, and water body is gradually stablized.The malleation water level of gathering hole 3, top negative pressure water level
Change is very big, and the scene that large quantity of air is poured in makes us being difficult to receive, and the water surface of fluctuation takes long enough just calm down, special
It is not that the water level of bottom cylinder 2 rises much, there is spilling water risk.
Auxiliary gas-complementing devices 22 are arranged on the hanging lower edge of side plate 6, and the height in its short tube portion 22.1 is slightly below overflow plate
Highly, with material making is not infiltrated, there is the features such as caliber is thin, necking is small, in addition the surface tension effects of water, it is several inside U-tube
It is air rather than water, U-tube is negative pressure on the outside of the long exit of pipe portion 22.2, when gathering hole 3, the water level decreasing of side opening 4 are arrived
When exposing the short tube portion 22.1 of U-tube, air is connected in U-tube, short tube portion 22.1 of the air through U-tube enters in negative pressure cylinder body
Portion, fish jar top water potential drop is low, and pressure and the top negative-pressure balancing of cylinder body 1 after water level decreasing in exhaust tube 7, air exhaust nozzle device 18 are taken out
18.2 times outlets of gaseous core and hot separation, while gathering hole 3, the external water level of side opening 4 rise, flood the short tube portion of U-tube
22.1, the no longer air inlet of short tube portion 22.1, fish jar water body is in stable state.
The height in the short tube portion 22.1 of auxiliary gas-complementing devices 22 is more much higher than the lower edge of hanging side plate 6, it is to avoid through gathering hole 3
Placement artificial hillock, water level fluctuation air when operating of fishing with a net pour in inside fish jar and cause big impact.
Between the situation of the above (2) in (1) and (3) between the two, no longer discuss.
The current control gas circulatory system is detected, when setting feed pump 7 reaches rated current 90% and the above, just allows oxygen supply
Pump 20, three-in-one Shui nationality pump 19 electric operation, otherwise realize that locking can not air inlet, it is ensured that fish jar not spilling water.
The horizontal segment of the outlet pipe 14 is higher than the low water line of fish jar side opening 4, when otherwise secondary water pump 13 stops, bottom
Sewage still passes through outlet pipe 14 and flows into sewage drip cylinder, and aperture is opened in the appropriate location of outlet pipe 14, when secondary water pump 13 stops,
A sewage part in air, pipe is sucked under sewage Action of Gravity Field from aperture in water pipe and return to cylinder base, be partly into drip
Cylinder, the effect of aperture is instant cutout, reduces the influence to fish jar water level, water level is more steady.
The present invention can also control negative pressure fish jar by detecting pressure, and 4 are connect on feed pump outlet pipe and is led to, electricity is set up and connects
Point pressure table, electro connecting pressure gauge can set the size of high-low pressure operating pressure so that water pump reach rated pressure 90% with
When upper, secondary water pump, oxygen supply pump, three-in-one Shui nationality pump can obtain electric operation；So that pressure is reduced to less than the 80% of rated pressure
When, secondary water pump, oxygen supply pump, three-in-one Shui nationality pump do not allow operation.
Claims (9)
1. a kind of negative pressure fish jar and its control system, it is characterised in that：The negative pressure fish jar and its control system include：Cylinder body
(1), bottom cylinder (2), and its detection current control system and detection control pressurer system, the detection current control system is by detecting
Current control water circulation system and detection current control gas circulatory system composition；
The cylinder body (1) includes positive laminate section and negative pressure part, and the positive laminate section is provided with gathering hole (3), side opening (4), overflow
Chute (5), side opening (4) has the hanging side plate (6) for constituting negative pressure part between negative pressure part, and the bottom cylinder (2) is located at cylinder
Below body (1)；
The detection current control water circulation system is by top clean water system, bottom sewerage and detection current control circuit group
Into, the top clean water system include feed pump (7), upper hose (8), water supply connector (9), overflow launder (5), downcomer (10),
Clear water drip cylinder (11), bottom cylinder (2), the feed pump (7) are located in bottom cylinder (2), and the clear water drip cylinder (11) is located at bottom cylinder
(2) inner chamber top, the water supply connector (9) is arranged on the upper end of hanging side plate (6), and the overflow launder (5) connects downcomer
(10) top clear water is discharged into clear water drip cylinder (11)；The bottom sewerage includes bottom water out adapter (12), secondary water pump
(13), outlet pipe (14), sewage drip cylinder (15), bottom cylinder (2), feed pump (7), upper hose (8), water supply connector (9), the pair
Water pump (13) one end is connected by pipeline with the bottom water out adapter (12) set on fish jar bottom plate, other end connection outlet pipe
(14), fish jar bottom sewage is discharged into sewage drip cylinder (15), institute through bottom water out adapter (12), secondary water pump (13), outlet pipe (14)
State sewage drip cylinder (15) and be located at bottom cylinder (2) inner chamber top；The monitoring current controls water circulation system by detection current control
Circuit controls top clean water system and bottom sewerage safe operation, i.e., detect the secondary water pump of current control using feed pump (7)
(13) operate；
The detection current control gas circulatory system is filled by feed pump (7), negative pressure generator (16), exhaust tube (17), air exhaust nozzle
Put (18), three-in-one Shui nationality pump (19), oxygen supply pump (20), bubble bar (21), auxiliary gas-complementing devices (22) and detection current control
Circuit is constituted, and feed pump (7) water outlet installs threeway (23) and connects negative pressure generator (16) and upper hose (8) respectively, described
Three-in-one Shui nationality pump (19) is located at fish jar side opening (4) and is immersed in the water, and the auxiliary gas-complementing devices (22) are located at side opening (4)
The lower end of hanging side plate (6), oxygen supply pump (20) connection is located at the bubble bar (21) of fish jar bottom, the exhaust tube (17) one
End is connected with negative pressure generator (16), and exhaust tube (17) other end is connected with top air extractor (18).
2. negative pressure fish jar according to claim 1 and its control system, it is characterised in that：The air exhaust nozzle device (18) by
It is evacuated seat (18.1), pumping core (18.2), draft hood (18.3) and locking nut (18.4) composition, pumping seat (18.1) peace
At the default aspirating hole of top plate, the pumping seat (18.1) is provided with the internal thread being engaged with pumping core (18.2), is provided with
The external screw thread coordinated with locking nut (18.4), the draft hood (18.3) is located at pumping core (18.2) bottom, the draft hood
(18.3) bottom surface and side wall upper part circumferencial direction are provided with the top of some apertures (18.3.1), the pumping core (18.2) and are provided with pagoda
Exported under joint (18.2.1), pumping core (18.2) in the middle part of draft hood (18.3), the height exported under pumping core (18.2) is just
It is water level general height at the top of default fish jar.
3. negative pressure fish jar according to claim 1 and its control system, it is characterised in that：The auxiliary gas-complementing devices (22)
For U-tube, the U-tube is made up of short tube portion (22.1), long pipe portion (22.2) and U-tube connecting portion (22.3), the short tube
Portion (22.1) is located on the outside of negative pressure part, and the long pipe portion (22.2) is located at the inner side of negative pressure part, the short tube portion (22.1)
There is the opening of diminution with long pipe portion (22.2) upper end.
4. negative pressure fish jar according to claim 1 and its control system, it is characterised in that：The detection current control circuit
The AC high currents of feed pump (7) are converted into low current by transformer T1, AC current signals are switched to voltage by sample resistance R1 to be believed
Number, exchange is turned direct current by rectification circuit, and signal enters the pin of comparison circuit 3, and electric current conversion value is compared with setting value, controls output pin
It is high with it is low, when 3 pin voltages are higher than 2 pin, the output of 1 pin is high, when 2 pin voltages are higher than 3 pin, and the output of 1 pin is low；1 pin signal is given to three
Pole pipe b poles, when b is extremely high, triode ON, relay K1 adhesives；When b is extremely low, triode cut-off, relay K1 is motionless
Make, so as to control secondary water pump (13), oxygen supply pump (20), the operation of three-in-one Shui nationality pump (19), the pin voltage of comparison circuit 2 is by dividing
Volt circuit is obtained, and bleeder circuit sets a value, is given to the pin of comparison circuit 2, and setting feed pump (7) electric current reaches rated current
80% and during the above, relay K1 adhesives, then secondary water pump (13), oxygen supply pump (20), three-in-one Shui nationality pump (19) all allow
Electricity operation.
5. negative pressure fish jar according to claim 1 or 2 and its control system, it is characterised in that：The water supply connector (9)
Water inlet level of subsistence is higher than the height exported under top air extractor (18) pumping core (18.2).
6. negative pressure fish jar and its control system according to claim 1 or 3, it is characterised in that：The auxiliary gas-complementing devices
(22) height in short tube portion (22.1) is slightly below the height of the overflow plate set in overflow launder (5), higher than hanging side plate (6)
Lower edge height, the horizontal segment of secondary water pump (13) outlet pipe (14) is higher than fish jar side opening (4) low water line, in outlet pipe
(14) aperture is opened in appropriate location.
7. negative pressure fish jar according to claim 1 and its control system, it is characterised in that：The feed pump (7) is through water inlet
The actual flow that joint (9) enters fish jar is greater than the actual flow that secondary water pump (13) is discharged through outlet pipe (14), the negative pressure
The exhaust capacity of generator (16) is greater than total air inlet ability of oxygen supply pump (20), three-in-one Shui nationality pump (19).
8. negative pressure fish jar and its control system according to Claims 2 or 3, it is characterised in that：The pumping core (18.2)
It is made with the auxiliary gas-complementing devices (22) of not infiltrating material.
9. negative pressure fish jar according to claim 1 and its control system, it is characterised in that：The detection control pressurer system
It is that four-way (25) is installed at the feed pump (7) water outlet, the negative pressure generator (16), electro connecting pressure gauge is connected respectively
(24) with the upper hose (8)；
When feed pump (7) the delivery port pressure reaches rated pressure more than 90%, electro connecting pressure gauge (24) internal relay
K2 obtains electric, and K2 normally opened electric shock closure, external control relay KM obtains electric, its electric shock KM1 self-insurances, KM2 closures, it is allowed to the pair
Water pump (13), oxygen supply pump (20), three-in-one Shui nationality pump (19) operation, switch K5, K4, K3 closure, are respectively turned on the secondary water pump
(13), oxygen supply pump (20), three-in-one Shui nationality pump (19), now the negative pressure generator (16) is working properly, and fish jar is normally run；
When feed pump (7) the delivery port pressure drops to rated pressure below 80%, electro connecting pressure gauge (24) internal relay K1
Obtain electric, K2 to disconnect, K1 normally-closed contact is opened, and external control relay KM dead electricity, KM2 normally opened contacts are opened, the secondary water pump
(13), oxygen supply pump (20), three-in-one Shui nationality pump (19) are all powered off, and the secondary water pump (13), oxygen supply pump (20), three conjunctions are closed in time
One Shui nationality pump (19), it is ensured that bottom cylinder not spilling water.
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| CN201710512648.0A CN107125184B (en) | 2017-06-29 | 2017-06-29 | Negative pressure fish tank and control system thereof |
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| CN201710512648.0A CN107125184B (en) | 2017-06-29 | 2017-06-29 | Negative pressure fish tank and control system thereof |
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| CN107125184B CN107125184B (en) | 2022-04-08 |
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| CN107646778A (en) * | 2017-11-14 | 2018-02-02 | 北京孤岛科技有限公司 | Surrounding views and admires negative pressure fish jar |
| CN109169486A (en) * | 2018-10-13 | 2019-01-11 | 中山市创星电器有限公司 | A kind of drip filtration system of aquarium and its method for controlling water level |
| CN109258544A (en) * | 2018-09-07 | 2019-01-25 | 姜利 | A kind of automatic pollution discharge fish tank capable of changing water and its control method |
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|---|---|
| CN107125184B (en) | 2022-04-08 |
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