CN110947234A - Novel strong high pressure filtration water injection pump - Google Patents
Novel strong high pressure filtration water injection pump Download PDFInfo
- Publication number
- CN110947234A CN110947234A CN201811126607.9A CN201811126607A CN110947234A CN 110947234 A CN110947234 A CN 110947234A CN 201811126607 A CN201811126607 A CN 201811126607A CN 110947234 A CN110947234 A CN 110947234A
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- China
- Prior art keywords
- face
- sealing plate
- water injection
- injection pump
- top end
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 238000011085 pressure filtration Methods 0.000 title description 4
- 238000001914 filtration Methods 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 125000001309 chloro group Chemical group Cl* 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 239000005416 organic matter Substances 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000009298 carbon filtering Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 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
- 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
- F04B53/20—Filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a novel strong high-pressure filtering water injection pump, which structurally comprises a pump body, a filtering and purifying device and an offset reminding device, wherein the design of the offset reminding device is provided, so that the problem that the falling risk is increased due to the fact that a connecting flange bolt is easy to loosen after long-term use is solved, a gyroscope sensor detects the offset angle of a shell and converts the offset angle into an electric signal to be sent to a single chip microcomputer, the single chip microcomputer detects that the offset angle exceeds 15 degrees and lasts for 1 minute, a relay circuit breaking circuit is powered off, and a loudspeaker is controlled to give out buzzer reminding; this design provides the design of filtration purification device, has solved the use normal water quality and has suffered to pollute and not filter and lead to influencing healthy problem, and inside its rivers passed through the second shrouding and get into the frame to filter and purify through KDF granule and active carbon filter, and discharge from top shrouding through-hole, the active carbon filter has good adsorption, can effectively detach the chlorine residue, the peculiar smell of aquatic, colour and organic matter etc..
Description
Technical Field
The invention relates to the technical field of water injection pumps, in particular to a novel strong high-pressure filtering water injection pump.
Background
Water pumps are machines that deliver or pressurize a liquid. The water injection pump is technically improved along with the rapid development of scientific technology, but in the prior art, the connecting flange bolt is easy to loosen to generate the problem of increasing the falling risk, and in the using process, water quality is polluted and is not filtered to influence body health.
Disclosure of Invention
Technical problem to be solved
In order to overcome the prior art not enough, now provide a novel strong high pressure filtration water injection pump, solved and used the easy not hard up production of flange bolt for a long time and lead to increasing the risk of droing to the quality of water suffers the pollution and does not filter the problem that leads to influencing healthy in the use, has reached the pump body and has taken place to last acutely shake intelligent warning, and carry out filtration purification's beneficial effect to carrying water.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a novel strong high-pressure filtering water injection pump, which comprises a pump body, a motor, a fixed metal plate, a supporting plate, a rotating shaft, an impeller, a shell, a filtering and purifying device and an offset reminding device, wherein the motor is arranged on the left side of the top end face of the pump body, the bottom end face of the motor is in bolt connection with the supporting plate through the fixed metal plate, the outer side of the right end of the motor is in insertion connection with the rotating shaft through a coupler, the outer side of the right end of the rotating shaft is in insertion connection with the impeller, the outer side of the right end of the rotating shaft penetrates through a through hole at the left end of the shell, the filtering and purifying device is arranged on the outer side of a connecting pipe at the top end of the shell, the offset reminding device is arranged on the top end face of the shell, the filtering and purifying device comprises, KDF particles are placed on the inner side of the fixing sleeve, the inner side of the bottom end of the fixing sleeve is inserted into the activated carbon filter plate, a through hole of the bottom end face of the outer frame is in bolted connection with a second sealing plate, a through hole of the bottom end face of the second sealing plate is in bolted connection with the top end face of the shell through a connecting pipe, the deviation reminding device is composed of a substrate, a single chip microcomputer, a loudspeaker, a control button, a relay and a gyroscope sensor, the middle part of the top end face of the substrate is welded with the single chip microcomputer, the right side of the top end face of the substrate is welded with the loudspeaker through a wire, the right lower side of the top end face of the substrate is welded with the control button through a wire, the bottom of the top end face of the substrate is welded with the relay through a wire, the left lower, the motor, the loudspeaker, the control button, the relay and the gyroscope sensor are all electrically connected with the single chip microcomputer.
Furthermore, waterproof sponge is glued to the gap at the splicing position of the outer side of the base plate and the iron box, and the waterproof grade is ip 68.
Furthermore, the impeller right-hand member outside comprises eight centrifugal blades, and eight centrifugal blades are circumference equidistance distribution.
Furthermore, 2mm thick fluorocarbon paint is sprayed on the outer side of the outer frame, and the thickness of the outer frame is 9 mm.
Furthermore, the bottom end face of the second sealing plate is glued with waterproof silica gel, and the thickness of the second sealing plate is 4 mm.
Further, the sealing plate and the second sealing plate are the same in shape and size, and eight through holes are formed in the top end face of the sealing plate.
Further, the motor model is Y-160M.
Further, the model of the loudspeaker is ydb 6450.
Further, the relay is MY2N-J DC 24.
Further, the model of the gyroscope sensor is GY-521MPU 6050.
Further, the single chip microcomputer is msp430g2 in model number.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1) in order to solve the problem that the falling risk is increased due to the fact that a connecting flange bolt is prone to loosening after long-term use, the design provides a design of an offset reminding device, and the problem that the falling risk is increased due to the fact that the connecting flange bolt is prone to loosening after long-term use is solved, wherein a gyroscope sensor detects the offset angle of a shell and converts the offset angle into an electric signal to be sent to a single chip microcomputer, the single chip microcomputer enables a relay circuit breaking circuit to be powered off after detecting the offset angle of the shell to exceed 15 degrees and lasting for 1 minute, and controls a loudspeaker to give out buzzer sound for reminding, so that the beneficial;
2) the utility model discloses a filter purification device, including the frame, the frame.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the offset reminder structure of the present invention;
FIG. 3 is a schematic view of the impeller structure of the present invention;
FIG. 4 is a partial cross-sectional view of the construction of the filtration purification apparatus of the present invention;
in the figure: the device comprises a pump body-1, a motor-2, a fixed metal plate-3, a support plate-4, a rotating shaft-5, an impeller-6, a shell-7, a filtering and purifying device-8, an offset reminding device-9, a sealing plate-81, an outer frame-82, a fixed sleeve-83, KDF particles-84, an active carbon filter plate-85, a second sealing plate-86, a substrate-91, a single chip microcomputer-92, a loudspeaker-93, a control button-94, a relay-95 and a gyroscope sensor-96.
Detailed Description
In the technical scheme:
the invention comprises a filtering and purifying device 8, an offset reminding device 9, a sealing plate 81, an outer frame 82, a fixing sleeve 83, KDF particles 84, an active carbon filtering plate 85, a second sealing plate 86, a substrate 91, a single chip microcomputer 92, a loudspeaker 93, a control button 94, a relay 95 and a gyroscope sensor 96.
The pump body 1, the motor 2, the fixing metal plate 3, the supporting plate 4, the rotating shaft 5, the impeller 6 and the shell 7 are indispensable connection components for realizing the technical scheme of the invention.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a novel strong high pressure filtration water injection pump: the device comprises a pump body 1, a motor 2, a fixed metal plate 3, a support plate 4, a rotating shaft 5, an impeller 6, a shell 7, a filtering and purifying device 8 and an offset reminding device 9, wherein the motor 2 is arranged on the left side of the top end face of the pump body 1, the bottom end face of the motor 2 is in bolt connection with the support plate 4 through the fixed metal plate 3, the outer side of the right end of the motor 2 is in plug-in connection with the rotating shaft 5 through a coupler, the outer side of the right end of the rotating shaft 5 is in plug-in connection with the impeller 6, the outer side of the right end of the rotating shaft 5 penetrates through a through hole at the left end of the shell 7, the filtering and purifying device 8 is arranged on the outer side of a connecting pipe at the top end of the shell 7, the offset reminding device 9 is arranged on the top end face of the shell 7, the filtering and, the inner side of a fixed sleeve 83 is spliced with KDF particles 84, the inner side of the bottom end of the fixed sleeve 83 is spliced with an activated carbon filter plate 85, a through hole of the bottom end face of an outer frame 82 is in bolted connection with a second sealing plate 86, a through hole of the bottom end face of the second sealing plate 86 is in bolted connection with the top end face of a shell 7 through a connecting pipe, an offset reminding device 9 comprises a substrate 91, a single chip microcomputer 92, a loudspeaker 93, a control button 94, a relay 95 and a gyroscope sensor 96, the middle part of the top end face of the substrate 91 is welded with the single chip microcomputer 92, the right side of the top end face of the substrate 91 is welded with the loudspeaker 93 through a lead wire, the right lower side of the top end face of the substrate 91 is welded with the control button 94 through a lead wire, the bottom of the top end face of the substrate 91 is welded with the relay 95 through a, the motor 2, the speaker 93, the control button 94, the relay 95 and the gyro sensor 96 are all electrically connected with the single chip 92.
Wherein, the base plate 91 outside is glued with iron box 41 grafting department gap and is had waterproof sponge to waterproof grade is ip68, does benefit to and promotes base plate 91 waterproof performance.
Wherein, 6 right-hand member outsides of impeller comprise eight centrifugal blade, and eight centrifugal blade are circumference equidistance and distribute, do benefit to impeller 6 and carry rivers.
Wherein, frame 82 outside spraying has 2mm thick fluorocarbon paint to frame 82 thickness is 9mm, does benefit to and promotes frame 82 corrosion resistance.
Wherein, the second shrouding 86 bottom end face is glued with waterproof silica gel to second shrouding 86 thickness is 4mm, does benefit to and promotes second shrouding 86 gas tightness.
The closing plate 81 and the second closing plate 86 have the same shape and size, and eight through holes are formed in the top end face of the closing plate 81, so that the closing plate 81 and the second closing plate 86 are connected and fixed with the outer frame 82.
The motor 2 is Y-160M in type, high in rotating speed and high in power consumption.
The loudspeaker 93 is ydb6450 in model, and is large in volume and small in size.
The relay 95 is MY2N-J DC24 in model number, high in universality and stable in operation.
The gyroscope sensor 96 has the model of GY-521MPU6050, high precision and small volume.
The single chip microcomputer 92 is msp430g2 in model number, and is high in performance and low in heating temperature.
The patent states: the gyro sensor 96, model GY-521MPU6050, is a simple and easy-to-use positioning and control system based on free-space movement and gestures, and when the mouse is swung on an imaginary plane, the cursor on the screen will follow and can circle around the link and click the button. For persons unfamiliar with such products, a gyroscopic sensor is a simple, easy to use, free-space movement and attitude based positioning and control system; the relay 95, model No. MY2N-J DC24, is an electric control device, which is an electric appliance that makes the controlled quantity produce a predetermined step change in the electric output circuit when the change of the input quantity reaches the specified requirement, has the interaction relationship between the control system and the controlled system, is usually applied to the automatic control circuit, and is actually an automatic switch that uses a small current to control the operation of a large current.
The working principle is as follows: firstly, a motor 2 is electrified through a wire, then the top end and the right end of a shell 7 are connected and fixed through connecting pipes, the impeller 6 is driven to rotate at a high speed through a rotating shaft 5 after the motor 2 is electrified, water flow in the shell 7 is conveyed to the connecting pipe at the top end of the shell 7, the design provides a design of a deviation reminding device 9, the problem that the falling risk is increased due to the fact that bolts of a connecting flange are easy to loosen after long-term use is solved, wherein a gyroscope sensor 96 detects the deviation angle generated by the shaking of the shell 7 and converts the deviation angle into an electric signal to be sent to a single chip 92, the single chip 92 detects that the deviation angle exceeds 15 degrees and lasts for 1 minute, a relay 95 circuit is powered off, a loudspeaker 93 is controlled to give out buzzer reminding, and; the design provides a design of a filtering and purifying device 8, the problem that the water is polluted in the using process and is not filtered to influence the health of a body is solved, the water flows into the outer frame 82 through the second sealing plate 86, and is filtered and purified through the KDF particles 84 and the activated carbon filter plate 85 and is discharged from the through hole of the top sealing plate 81, the activated carbon filter plate 85 has good adsorption effect and can effectively remove residual chlorine, peculiar smell, color, organic matters and the like in the water, the KDF particles 84 and oxidizing harmful substances in the water are subjected to electronic exchange, a plurality of harmful substances are changed into harmless substances, and the beneficial effect of filtering and purifying the conveyed water is achieved; the outer side of the right end of the impeller 6 is composed of eight centrifugal blades which are distributed at equal intervals on the circumference, and the impeller 6 is favorable for conveying water flow.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a novel strong high pressure filters water injection pump, includes the pump body (1), motor (2), fixed panel beating (3), backup pad (4), pivot (5), impeller (6) and shell (7), its characterized in that: the device is characterized by further comprising a filtering and purifying device (8) and an offset reminding device (9), wherein a motor (2) is arranged on the left side of the top end face of the pump body (1), the bottom end face of the motor (2) is in bolted connection with a supporting plate (4) through a fixed metal plate (3), the outer side of the right end of the motor (2) is spliced with a rotating shaft (5) through a coupler, the outer side of the right end of the rotating shaft (5) is spliced with an impeller (6), a through hole at the left end of a shell (7) is penetrated through the outer side of the right end of the rotating shaft (5), the filtering and purifying device (8) is arranged on the outer side of a connecting pipe at the top end of the shell (7), the offset reminding device (9) is arranged on the top end face of the shell (7), and the filtering and purifying device (8) is composed of a sealing plate (81, the top end face of the sealing plate (81) is in bolted connection with an outer frame (82), the inner side of the outer frame (82) is in threaded connection with a fixing sleeve (83), KDF particles (84) are placed on the inner side of the fixing sleeve (83), the bottom end inner side of the fixing sleeve (83) is in splicing connection with an activated carbon filter plate (85), the bottom end face of the outer frame (82) is in bolted connection with a second sealing plate (86), the bottom end face of the second sealing plate (86) is in bolted connection with the top end face of the shell (7) through a connecting pipe, the deviation reminding device (9) is composed of a substrate (91), a single chip microcomputer (92), a loudspeaker (93), a control button (94), a relay (95) and a gyroscope sensor (96), the middle of the top end face of the substrate (91) is welded with the single chip microcomputer (92), and the right side of the top end face of the substrate (91) is welded, base plate (91) top face right side downside welds through wire and control button (94), base plate (91) top face bottom welds through wire and relay (95), base plate (91) top face left side downside welds through wire and gyroscope sensor (96), the base plate (91) outside is pegged graft with backup pad (4) top face rear end iron box, motor (2), speaker (93), control button (94), relay (95) and gyroscope sensor (96) all are connected with singlechip (92) electricity.
2. The novel strong high-pressure filtering water injection pump according to claim 1, is characterized in that: waterproof sponge is glued to the gap at the splicing part of the outer side of the base plate (91) and the iron box (41), and the waterproof grade is ip 68.
3. The novel strong high-pressure filtering water injection pump according to claim 1, is characterized in that: the outer side of the right end of the impeller (6) is composed of eight centrifugal blades which are distributed at equal intervals on the circumference.
4. The novel strong high-pressure filtering water injection pump according to claim 1, is characterized in that: the outer side of the outer frame (82) is sprayed with 2mm thick fluorocarbon paint, and the thickness of the outer frame (82) is 9 mm.
5. The novel strong high-pressure filtering water injection pump according to claim 1, is characterized in that: the bottom end face of the second sealing plate (86) is glued with waterproof silica gel, and the thickness of the second sealing plate (86) is 4 mm.
6. The novel strong high-pressure filtering water injection pump according to claim 1, is characterized in that: the sealing plate (81) and the second sealing plate (86) are the same in shape and size, and eight through holes are formed in the top end face of the sealing plate (81).
Priority Applications (1)
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CN201811126607.9A CN110947234A (en) | 2018-09-26 | 2018-09-26 | Novel strong high pressure filtration water injection pump |
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CN201811126607.9A CN110947234A (en) | 2018-09-26 | 2018-09-26 | Novel strong high pressure filtration water injection pump |
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CN110947234A true CN110947234A (en) | 2020-04-03 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6083405A (en) * | 1998-01-23 | 2000-07-04 | Nippon Telegraphand Telephone Corporation | Floating water purification free-running apparatus and water purification method |
US20090152656A1 (en) * | 2005-11-25 | 2009-06-18 | Takafumi Okudo | Sensor device and production method therefor |
CN106828010A (en) * | 2017-01-19 | 2017-06-13 | 管中林 | One kind realizes multi-functional Hydraulic interconnection suspension system |
CN206694267U (en) * | 2017-05-04 | 2017-12-01 | 新昌县雷凯科技有限公司 | A kind of intelligent pump |
CN107575396A (en) * | 2017-10-16 | 2018-01-12 | 南京腾图节能科技有限公司 | A kind of water pump with automatic detection function |
CN107614882A (en) * | 2015-05-20 | 2018-01-19 | 菲舍尔和佩克尔应用有限公司 | Fan or pump arrangement and operating method |
-
2018
- 2018-09-26 CN CN201811126607.9A patent/CN110947234A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6083405A (en) * | 1998-01-23 | 2000-07-04 | Nippon Telegraphand Telephone Corporation | Floating water purification free-running apparatus and water purification method |
US20090152656A1 (en) * | 2005-11-25 | 2009-06-18 | Takafumi Okudo | Sensor device and production method therefor |
CN107614882A (en) * | 2015-05-20 | 2018-01-19 | 菲舍尔和佩克尔应用有限公司 | Fan or pump arrangement and operating method |
CN106828010A (en) * | 2017-01-19 | 2017-06-13 | 管中林 | One kind realizes multi-functional Hydraulic interconnection suspension system |
CN206694267U (en) * | 2017-05-04 | 2017-12-01 | 新昌县雷凯科技有限公司 | A kind of intelligent pump |
CN107575396A (en) * | 2017-10-16 | 2018-01-12 | 南京腾图节能科技有限公司 | A kind of water pump with automatic detection function |
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Application publication date: 20200403 |