CN113482901A - Automatic water level monitoring device for small water pump in breeding industry - Google Patents
Automatic water level monitoring device for small water pump in breeding industry Download PDFInfo
- Publication number
- CN113482901A CN113482901A CN202110609995.1A CN202110609995A CN113482901A CN 113482901 A CN113482901 A CN 113482901A CN 202110609995 A CN202110609995 A CN 202110609995A CN 113482901 A CN113482901 A CN 113482901A
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- Prior art keywords
- fixedly connected
- rod
- shell
- water pump
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000009395 breeding Methods 0.000 title description 5
- 230000001488 breeding effect Effects 0.000 title description 5
- 238000003860 storage Methods 0.000 claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 25
- 239000010949 copper Substances 0.000 claims abstract description 25
- 238000009360 aquaculture Methods 0.000 claims abstract description 14
- 244000144974 aquaculture Species 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 239000011810 insulating material Substances 0.000 claims description 3
- 244000309464 bull Species 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006698 induction Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004548 suspo-emulsion Substances 0.000 description 1
Images
Classifications
-
- 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
- F04B51/00—Testing machines, pumps, or pumping installations
-
- 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
- F04B49/02—Stopping, starting, unloading or idling control
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Abstract
The invention relates to the technical field of water pumps and discloses a small water pump automatic water level monitoring device for aquaculture, which comprises a shell, wherein a rotating disc is rotatably connected inside the shell, a rotating rod is fixedly connected outside the rotating disc, a driven disc is rotatably connected inside the shell, a first contact rod is fixedly connected outside the driven disc, a second contact rod is fixedly connected inside the shell, a rotating shaft is rotatably connected inside the shell, a gear is movably connected outside the rotating shaft, a gear ring is movably connected outside the gear, and a first linkage rod is movably connected outside the gear; through mutually supporting between aqua storage tank, gas storage bag, pull rod, spacing frame, bar copper, the N utmost point, the S utmost point and the coupling spring for this device can monitor the water yield in the basin at the during operation, avoids taking place because of not having the circumstances that timely shut off the water pump and lead to the water pump to damage, thereby has reached the automatic monitoring water yield, the effect of timely effectual protection water pump.
Description
Technical Field
The invention relates to the technical field of water pumps, in particular to a small water pump automatic water level monitoring device for the breeding industry.
Background
Water pumps are machines that deliver or pressurize a liquid. The water pump transmits mechanical energy or other external energy of a prime motor to liquid to increase the energy of the liquid, and is mainly used for conveying the liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal and the like.
Under general conditions, most of household water pumps are small, so that the household water pumps can be used in different places, the water pumps are also needed to be used for flushing the environment in the breeding industry, but under general conditions, the water pumps are directly placed into a water tank or a water vat, and because the water quantity in the water tank or the water vat is certain, a user cannot always watch the residual quantity of the water quantity beside the water tank in the using process, so that under most conditions, when the water quantity is insufficient, the user is far away from the water tank, the power supply cannot be timely disconnected, and the situation that the water pumps are damaged can be possibly caused.
In view of the above-mentioned problems, there is an urgent need for a small-sized water pump automatic water level monitoring device for aquaculture.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a small-sized water pump automatic water level monitoring device for aquaculture, which has the advantages of automatically monitoring water amount and effectively protecting a water pump, and solves the problem that in general conditions, the water pump is directly placed in a water tank or a water vat, and because the water amount in the water tank or the water vat is constant, a user cannot always watch the residual amount of the water amount beside the water tank in the use process, so that in most cases, when the water amount is insufficient, the user is far away from the water tank, the power supply cannot be timely switched off, and the water pump can be damaged.
(II) technical scheme
In order to achieve the purposes of automatically monitoring the water quantity and effectively protecting the water pump, the invention provides the following technical scheme: a small-sized water pump automatic water level monitoring device for aquaculture comprises a shell, wherein a rotating disc is rotatably connected inside the shell, a rotating rod is fixedly connected outside the rotating disc, a driven disc is rotatably connected inside the shell, a first contact rod is fixedly connected outside the driven disc, a second contact rod is fixedly connected inside the shell, a rotating shaft is rotatably connected inside the shell, a gear is movably connected outside the rotating shaft, a gear ring is movably connected outside the gear, a first coupling rod is movably connected outside the gear, a second coupling rod is movably connected outside the first coupling rod, a sliding groove is fixedly connected inside the shell, a pushing rod is slidably connected inside the sliding groove, a water storage groove is fixedly connected inside the shell, a gas storage bag is fixedly connected inside the water storage groove, a pull rod is fixedly connected outside the gas storage bag, and a limiting frame is fixedly connected inside the water storage groove, the outside fixedly connected with bar copper of pull rod, the inside fixedly connected with N utmost point of spacing frame, the inside fixedly connected with S utmost point of spacing frame.
Preferably, the outside of the driven disc is fixedly connected with protruding rods, the number of the protruding rods is not more than fourteen, the specifications of the protruding rods are matched with those of the rotating rods, and the positions and specifications of the first contact rods are matched with those of the second contact rods.
Preferably, the gear ring is fixedly connected with teeth in the inner part, the specification of the teeth is matched with that of the gear, the teeth are meshed with the gear, and the gear ring is fixedly connected in the outer part of the shell in the outer part.
Preferably, the one end fixedly connected with slider that the trace was kept away from to trace two, fixed connection between slider and the catch bar, slider slide in the inside of sliding tray, and the one end fixedly connected with diaphragm of slider is kept away from to the catch bar, and the outside fixed connection of diaphragm is in the outside of spacing frame, and sliding seal is connected between diaphragm and the shell, and the inside fixedly connected with reset spring of gas storage bag.
Preferably, the pull rod is made of an insulating material, an opening is formed in the outer portion of the limiting frame, the specification of the opening is matched with that of the pull rod, the pull rod slides in the opening, a connecting spring is fixedly connected to the outer portion of the pull rod, and one end, far away from the pull rod, of the connecting spring is fixedly connected to the inner portion of the limiting frame.
Preferably, bar copper swing joint is in the inside of spacing frame, and the position of the N utmost point, specification all match with the S utmost point, and the specification and the N utmost point of bar copper, the specification phase-match of S utmost point, when the bar copper is the magnetic induction line between the N utmost point of cutting and the S utmost point for the first time, the water pump belongs to normal operating, and when the bar copper is the magnetic induction line between the N utmost point of cutting and the S utmost point for the second time, the water yield in the basin is not enough water pump normal operating, and this device can automatic stop the operation of water pump.
Preferably, the rotating disc and the rotating shaft are electrically connected with a driving power supply, and the second contact rod, the copper bar and the driving power supply are electrically connected with the control center.
(III) advantageous effects
Compared with the prior art, the invention provides a small water pump automatic water level monitoring device for the breeding industry, which has the following beneficial effects:
1. this a small-size water pump automatic monitoring water level device for aquaculture, through the rolling disc, the bull stick, the driven plate, feeler lever one, feeler lever two, the axis of rotation, the gear, the ring gear, trace lever one, trace lever two, the sliding tray, mutually support between the catch bar, make this device can be timely control trigger mechanism after the water pump circular telegram, and then can the position that controlling means removed, avoid leading to the continuous condition emergence that reciprocates of this device because of not having trigger mechanism, thereby can reach the effect of the position that automatic control device removed.
2. This a small-size water pump automatic monitoring water level device for aquaculture through mutually supporting between aqua storage tank, gas storage bag, pull rod, spacing frame, bar copper, the N utmost point, the S utmost point and the coupling spring for this device can monitor the water yield in the basin at the during operation, avoids taking place because of not having the condition that timely shut off the water pump and lead to the water pump to damage, thereby has reached the automatic monitoring water yield, the effect of timely effectual protection water pump.
Drawings
FIG. 1 is a schematic view, partially in section, of the front structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at C in FIG. 1 according to the present invention.
In the figure: 1. a housing; 2. rotating the disc; 3. a rotating rod; 4. a driven plate; 5. a first feeler lever; 6. a feeler lever II; 7. a rotating shaft; 8. a gear; 9. a ring gear; 10. a first linkage rod; 11. a second linkage rod; 12. a sliding groove; 13. a push rod; 14. a water storage tank; 15. a gas storage bag; 16. a pull rod; 17. a limiting frame; 18. a copper bar; 19. an N pole; 20. and (4) an S pole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an automatic water level monitoring device for a small water pump in aquaculture comprises a housing 1, a rotating disc 2 is rotatably connected inside the housing 1, rotating rods 3 are fixedly connected outside the rotating disc 2, a driven disc 4 is rotatably connected inside the housing 1, a first contact rod 5 is fixedly connected outside the driven disc 4, a second contact rod 6 is fixedly connected inside the housing 1, protruding rods are fixedly connected outside the driven disc 4, the number of the protruding rods is not higher than fourteen, the specifications of the protruding rods are matched with the specifications of the rotating rods 3, the positions and specifications of the first contact rods 5 are matched with the second contact rods 6, a rotating shaft 7 is rotatably connected inside the housing 1, a gear 8 is movably connected outside the rotating shaft 7, a gear ring 9 is movably connected outside the gear ring 8, teeth are fixedly connected inside the gear ring 9, the specifications of the teeth are matched with the specifications of the gear 8, the teeth are meshed with the gear 8, the external fixed connection of the gear ring 9 is arranged inside the shell 1, the external movable connection of the gear 8 is provided with a first linkage rod 10, the external movable connection of the first linkage rod 10 is provided with a second linkage rod 11, the internal fixed connection of the shell 1 is provided with a sliding groove 12, the internal sliding connection of the sliding groove 12 is provided with a push rod 13, the internal fixed connection of the shell 1 is provided with a water storage groove 14, the internal fixed connection of the water storage groove 14 is provided with a gas storage bag 15, one end of the second linkage rod 11 far away from the first linkage rod 10 is fixedly connected with a sliding block, the sliding block is fixedly connected with the push rod 13, the sliding block slides inside the sliding groove 12, one end of the push rod 13 far away from the sliding block is fixedly connected with a transverse plate, the external fixed connection of the transverse plate is arranged outside the limiting frame 17, the transverse plate is connected with the shell 1 in a sliding and sealing manner, and passes through the rotating disc 2, the rotating rod 3, the driven disc 4, the first contact rod 5, the second contact rod 6, The mutual cooperation between axis of rotation 7, gear 8, ring gear 9, trace 10, trace 11, sliding tray 12, catch bar 13 for this device can be timely control trigger mechanism after the water pump circular telegram, and then can the position that controlling means removed, avoid because of not triggering the continuous condition emergence that reciprocates that leads to this device, thereby can reach the effect of the position that automatic control device removed.
The inside of the air storage bag 15 is fixedly connected with a return spring, the outside of the air storage bag 15 is fixedly connected with a pull rod 16, the inside of the water storage tank 14 is fixedly connected with a limit frame 17, the pull rod 16 is made of insulating materials, the outside of the limit frame 17 is provided with an opening, the specification of the opening is matched with the specification of the pull rod 16, the pull rod 16 slides in the opening, the outside of the pull rod 16 is fixedly connected with a connecting spring, one end of the connecting spring, far away from the pull rod 16, is fixedly connected in the limit frame 17, the outside of the pull rod 16 is fixedly connected with a copper rod 18, the rotating disc 2 and the rotating shaft 7 are both electrically connected with a driving power supply, a second contact rod 6, the copper rod 18 and the driving power supply are both electrically connected with a control center, the inside of the limit frame 17 is fixedly connected with an N pole 19, the inside of the limit frame 17 is fixedly connected with an S pole 20, the copper rod 18 is movably connected in the limit frame 17, the position and the specification of the N pole 19 are both matched with the S pole 20, the specification and the N utmost point 19 of bar copper 18, the specification phase-match of S utmost point 20, when bar copper 18 first time cutting the magnetic induction line between the N utmost point 19 and the S utmost point 20, the water pump belongs to normal operating, when bar copper 18 second time cutting the magnetic induction line between the N utmost point 19 and the S utmost point 20, the water yield in the basin is not enough water pump normal operating, this device can automatic stop the operation of water pump, through aqua storage tank 14, gas storage bag 15, pull rod 16, spacing frame 17, bar copper 18, the N utmost point 19, mutually supporting between S utmost point 20 and the connecting spring, make this device can monitor the water yield in the basin at the during operation, avoid taking place because of the condition that does not have timely shut off the water pump and lead to the water pump damage, thereby automatic monitoring water yield has been reached, the effect of timely effectual protection water pump.
The working principle is as follows: when the device is started, after a user turns on a switch of a water pump, a control center controls a driving power supply to drive a rotating disc 2 to rotate, the rotating disc 2 rotates to drive a rotating rod 3 to rotate, a protruding rod which is driven by the rotating rod 3 to rotate rotates, a driven disc 4 rotates, the driven disc 4 rotates to drive a movable contact rod one 5 to rotate, when the contact rod one 5 is firstly contacted with a contact rod two 6 in the rotating process, the control center controls the driving power supply to drive a rotating shaft 7 to rotate, the rotating shaft 7 rotates to drive a gear 8 to rotate, the gear 8 rotates to do circle center motion around a gear ring 9 in the rotating process, the gear 8 rotates to drive a linkage rod one 10 to rotate, the linkage rod one 10 rotates to drive a linkage rod two 11 to rotate, the linkage rod two 11 rotates to drive a sliding block to move, the sliding block moves to drive a push rod 13 to move, the push rod 13 moves to drive a transverse plate to move, the transverse plate moves to drive a limiting frame 17 to move, when the contact rod one 5 is contacted with the contact rod two 6 for the second time, at the moment, the control center controls the driving power supply to stop driving the rotating disc 2 and the rotating shaft 7 to rotate, the monitoring mechanism of the device is located at a set position, the water in the water pump enters the water storage tank 14, the air storage bag 15 shrinks under the action of water pressure, the air storage bag 15 shrinks to drive the pull rod 16 to move, the pull rod 16 moves to drive the connecting spring to be compressed, meanwhile, the pull rod 16 moves to drive the copper rod 18 to move, along with the continuous movement of the copper rod 18, the copper rod 18 continuously cuts the magnetic induction line between the N pole 19 and the S pole 20, induction current is generated, the control center enables the water pump to be in a normal operation state after sensing the current change, when the water in the water storage tank 14 is reduced, the air storage bag 15 gradually restores to an initial state under the action of the reset spring, at the moment, the pull rod 16 pushes the copper rod 18 to move, and the magnetic induction line is continuously cut in the moving process of the copper rod 18, therefore, the induced current is generated again, and the control center controls the water pump to stop running after sensing the current change again, so that the water quantity change is automatically monitored. The purpose of effectively protecting the water pump.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a small-size water pump automatic monitoring water level device for aquaculture, includes shell (1), its characterized in that: the inner part of the shell (1) is rotatably connected with a rotating disc (2), the outer part of the rotating disc (2) is fixedly connected with a rotating rod (3), the inner part of the shell (1) is rotatably connected with a driven disc (4), the outer part of the driven disc (4) is fixedly connected with a first contact rod (5), the inner part of the shell (1) is fixedly connected with a second contact rod (6), the inner part of the shell (1) is rotatably connected with a rotating shaft (7), the outer part of the rotating shaft (7) is movably connected with a gear (8), the outer part of the gear (8) is movably connected with a gear ring (9), the outer part of the gear (8) is movably connected with a first coupling rod (10), the outer part of the first coupling rod (10) is movably connected with a second coupling rod (11), the inner part of the shell (1) is fixedly connected with a sliding groove (12), the inner part of the sliding groove (12) is slidably connected with a push rod (13), and the inner part of the shell (1) is fixedly connected with a water storage groove (14), the air storage tank is characterized in that an air storage bag (15) is fixedly connected to the inside of the water storage tank (14), a pull rod (16) is fixedly connected to the outside of the air storage bag (15), a limiting frame (17) is fixedly connected to the inside of the water storage tank (14), a copper rod (18) is fixedly connected to the outside of the pull rod (16), an N pole (19) is fixedly connected to the inside of the limiting frame (17), and an S pole (20) is fixedly connected to the inside of the limiting frame (17).
2. The small water pump automatic water level monitoring device for the aquaculture industry as claimed in claim 1, wherein: the outside fixedly connected with protrusion pole of driven plate (4), the quantity of protrusion pole is not higher than fourteen and the specification of protrusion pole and the specification phase-match of bull stick (3), and feeler lever one (5) position, specification all with feeler lever two (6) phase-match.
3. The small water pump automatic water level monitoring device for the aquaculture industry as claimed in claim 1, wherein: the inside fixedly connected with tooth of ring gear (9), the specification of tooth and the specification phase-match of gear (8), tooth and gear (8) meshing are connected, and the outside fixed connection of ring gear (9) is in the inside of shell (1).
4. The small water pump automatic water level monitoring device for the aquaculture industry as claimed in claim 1, wherein: one end fixedly connected with slider that trace (10) were kept away from to trace two (11), fixed connection between slider and catch bar (13), the slider slides in the inside of sliding tray (12), and the one end fixedly connected with diaphragm of slider is kept away from in catch bar (13), and the outside fixed connection of diaphragm is in the outside of spacing frame (17), and sliding seal is connected between diaphragm and shell (1), and the inside fixedly connected with reset spring of gas storage bag (15).
5. The small water pump automatic water level monitoring device for the aquaculture industry as claimed in claim 1, wherein: the pull rod (16) is made of insulating materials, an opening is formed in the outer portion of the limiting frame (17), the specification of the opening is matched with that of the pull rod (16), the pull rod (16) slides in the opening, a connecting spring is fixedly connected to the outer portion of the pull rod (16), and one end, far away from the pull rod (16), of the connecting spring is fixedly connected to the inner portion of the limiting frame (17).
6. The small water pump automatic water level monitoring device for the aquaculture industry as claimed in claim 1, wherein: the copper bar (18) is movably connected inside the limiting frame (17), the position and the specification of the N pole (19) are matched with the S pole (20), and the specification of the copper bar (18) is matched with the specifications of the N pole (19) and the S pole (20).
7. The small water pump automatic water level monitoring device for the aquaculture industry as claimed in claim 1, wherein: the rotating disc (2) and the rotating shaft (7) are electrically connected with a driving power supply, and the feeler lever II (6), the copper rod (18) and the driving power supply are electrically connected with the control center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609995.1A CN113482901A (en) | 2021-06-01 | 2021-06-01 | Automatic water level monitoring device for small water pump in breeding industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609995.1A CN113482901A (en) | 2021-06-01 | 2021-06-01 | Automatic water level monitoring device for small water pump in breeding industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113482901A true CN113482901A (en) | 2021-10-08 |
Family
ID=77934287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110609995.1A Pending CN113482901A (en) | 2021-06-01 | 2021-06-01 | Automatic water level monitoring device for small water pump in breeding industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113482901A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203035516U (en) * | 2013-01-09 | 2013-07-03 | 浙江利欧股份有限公司 | Water pump control device |
| CN206338178U (en) * | 2016-11-22 | 2017-07-18 | 深圳市赛亿科技开发有限公司 | A kind of automatic controlling device for domestic water pump |
| CN207195222U (en) * | 2017-09-04 | 2018-04-06 | 保定金匠机电制造有限公司 | The vertical water pump that water level can automatically control |
| CN108448824A (en) * | 2018-05-18 | 2018-08-24 | 广东工业大学 | A kind of submersible pump unit |
-
2021
- 2021-06-01 CN CN202110609995.1A patent/CN113482901A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203035516U (en) * | 2013-01-09 | 2013-07-03 | 浙江利欧股份有限公司 | Water pump control device |
| CN206338178U (en) * | 2016-11-22 | 2017-07-18 | 深圳市赛亿科技开发有限公司 | A kind of automatic controlling device for domestic water pump |
| CN207195222U (en) * | 2017-09-04 | 2018-04-06 | 保定金匠机电制造有限公司 | The vertical water pump that water level can automatically control |
| CN108448824A (en) * | 2018-05-18 | 2018-08-24 | 广东工业大学 | A kind of submersible pump unit |
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Application publication date: 20211008 |
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