CN114087209A - Permanent magnet variable frequency pump for digital integrated Internet of things - Google Patents

Permanent magnet variable frequency pump for digital integrated Internet of things Download PDF

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Publication number
CN114087209A
CN114087209A CN202111502805.2A CN202111502805A CN114087209A CN 114087209 A CN114087209 A CN 114087209A CN 202111502805 A CN202111502805 A CN 202111502805A CN 114087209 A CN114087209 A CN 114087209A
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CN
China
Prior art keywords
water inlet
water
permanent magnet
water outlet
butterfly valve
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Pending
Application number
CN202111502805.2A
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Chinese (zh)
Inventor
钟志标
钟欣都
钟欣翰
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Shanghai Granville Intelligent Control Technology Group Co ltd
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Shanghai Granville Intelligent Control Technology Group Co ltd
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Priority to CN202111502805.2A priority Critical patent/CN114087209A/en
Publication of CN114087209A publication Critical patent/CN114087209A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0077Safety measures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0088Testing machines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a digital integrated Internet of things permanent magnet variable frequency pump which comprises a permanent magnet motor, wherein the outer wall of the left side of the permanent magnet motor is fixedly connected with a liquid crystal full Chinese controller, a coil temperature sensor is embedded in the permanent magnet motor, a vibration sensor and a temperature sensor are assembled at the connecting shaft end of the motor and a water pump, a flow sensor is assembled at the water inlet of the water pump, a pressure sensor is respectively assembled at the water outlet and the water inlet, and the controller also reserves three paths of digital switching value interfaces and two paths of analog value interfaces to provide secondary development. According to the invention, the probe and the sensor are acquired in real time and fed back to the liquid crystal full Chinese controller through a 485 communication technology, comparison and analysis statistics are carried out through a preset standard value, when data comparison is abnormal, the liquid crystal full Chinese controller controls the alarm to light, and meanwhile, information such as real-time data and alarm is uploaded to an Internet of things platform, so that remote monitoring is realized, and thus, a worker can conveniently position and overhaul, and the water pump has an early warning function.

Description

Permanent magnet variable frequency pump for digital integrated Internet of things
Technical Field
The invention relates to the field of intelligent permanent magnet water pumps, in particular to a digital integrated Internet of things permanent magnet variable frequency pump.
Background
With the rapid development of the Chinese scientific and technological era and the continuous improvement of the national water safety for civil use, the application of the internet technology has higher and higher requirements on the safety, energy conservation, water conservation, energy efficiency intelligence and the like of the water supply equipment, and certainly, the intelligent control aspect of the secondary water supply equipment is greatly improved.
In 7 months in 2020, new national standards of digital integrated water supply equipment are implemented; real-time monitoring items of each water pump are increased continuously, real-time acquisition and monitoring of operation frequency, time, current, power and the like of the water pump are required, but at present, most of the water pumps are only configured with total flow of equipment, and when a plurality of pumps are really operated, flow abnormity of individual water pumps cannot be known, so that long-time low-efficiency operation or damage of the equipment is easily caused.
Therefore, it is necessary to invent a digital integrated internet of things permanent magnet variable frequency pump to solve the above problems.
Disclosure of Invention
The invention aims to provide a digital integrated Internet of things permanent magnet variable frequency pump, which solves the problem that the existing water pump does not have independent monitoring equipment and an early warning function.
In order to achieve the above purpose, the invention provides the following technical scheme: a digital integrated Internet of things permanent magnet variable frequency pump comprises a permanent magnet motor, wherein the outer wall of the left side of the permanent magnet motor is fixedly connected with a liquid crystal full Chinese controller, the bottom of the permanent magnet motor is fixedly connected with a pump head, the outer wall of the right side of the pump head is preset with a bearing vibration and temperature probe, the bottom of the pump head is fixedly connected with a vertical multi-stage centrifugal pump, and the left side of the vertical multistage centrifugal pump is provided with a water inlet, the top of the water inlet is provided with a water inlet pressure probe, the left side of the water inlet is connected with a water inlet connecting assembly, the right side of the vertical multistage centrifugal pump is provided with a water outlet, the top of the water outlet is provided with a water outlet pressure probe, and the right side of the water outlet is connected with a water outlet flow detection device, the outer wall of the front side of the liquid crystal full Chinese controller is provided with an Internet of things antenna, and the center of the top of the liquid crystal full Chinese controller is provided with an alarm.
Preferably, the permanent magnet motor transmits inlet pressure and outlet pressure values detected by the water outlet and the water inlet, water inlet pressure analog quantity data and flow detection device data to the liquid crystal full Chinese controller, the liquid crystal full Chinese controller adjusts the speed of the permanent magnet motor in real time according to the pressure difference between inlet and outlet and the flow data combined with the on-site demand pressure to meet the on-site demand, and the permanent magnet motor, the pump head and the vertical multistage centrifugal pump are all in screw fastening connection.
Preferably, the water inlet and the water outlet are symmetrical about a longitudinal center line of the vertical multistage centrifugal pump, the water inlet and the water outlet correspond to the water inlet pressure probe and the water outlet pressure probe respectively, the water inlet pressure probe and the water outlet pressure probe extend to the inside of the water inlet and the water outlet respectively, and external threads are formed in the outer sides of the tops of the water inlet pressure probe and the water outlet pressure probe respectively.
Preferably, intake coupling assembling and play water flow detection device are symmetrical about vertical multistage centrifugal pump's longitudinal centerline, and intake coupling assembling includes into water flange formula butterfly valve and check valve to the check valve is installed in the right side outside of intaking flange formula butterfly valve, play water flow detection device includes into water flange formula butterfly valve and ultrasonic water meter, and ultrasonic water meter installs in the left side outside of intaking flange formula butterfly valve.
Preferably, check valve fixed connection is in the outside of the right side of the flange formula butterfly valve of intaking, and the check valve body major part is located the inside right side of the flange formula butterfly valve of intaking to be screw fastening connection between flange formula butterfly valve of intaking and the water inlet.
Preferably, the ultrasonic water meter is fixedly connected to the outside of the left side of the water inlet flange type butterfly valve, the main ultrasonic water meter detection part is located on the left side of the inside of the water inlet flange type butterfly valve, and the water inlet flange type butterfly valve is in fastening connection with the water outlet through screws.
In the technical scheme, the invention provides the following technical effects and advantages:
1. the bearing vibration and temperature probe, the water inlet pressure probe and the water inlet pressure probe are arranged, matched monitoring equipment is installed, the hydraulic performance, the vibration and the temperature of the water pump are detected in all directions under the cooperation of the liquid crystal full Chinese controller, each water pump is monitored in real time through a 485 communication technology, the hydraulic performance of the water pump is controlled in real time, and the vibration and the temperature are detected in all directions, so that the water pump is accurately protected and accurately metered;
2. through 485 communication technology, the data of water pump monitoring can feed back to the full chinese controller of liquid crystal in real time, compares and analyzes through the standard value of predetermineeing, and when the situation appeared in the data contrast, the full chinese controller of liquid crystal controlled the alarm and lights to make things convenient for the staff location to overhaul, thereby make the water pump have the function of early warning.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the water pump of the present invention;
FIG. 3 is a top view of the water pump of the present invention;
FIG. 4 is a left side view of the water pump of the present invention;
fig. 5 is a working principle diagram of the present invention.
Description of reference numerals:
1. a permanent magnet motor; 2. a liquid crystal full Chinese controller; 3. an alarm; 4. a pump head; 5. bearing vibration and temperature probes; 6. a vertical multistage centrifugal pump; 7. a water inlet; 8. a water inlet pressure probe; 9. a water inlet connection assembly; 91. a flange type butterfly valve for water inlet; 92. a check valve; 10. a water outlet; 11. a water outlet pressure probe; 12. an effluent flow rate detection device; 121. a flange type butterfly valve for water inlet; 122. an ultrasonic water meter; 13. internet of things antenna.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The invention provides a digital integrated Internet of things permanent magnet variable frequency pump as shown in figures 1-5, which comprises a permanent magnet motor 1, wherein the outer wall of the left side of the permanent magnet motor 1 is fixedly connected with a liquid crystal full Chinese controller 2, the bottom of the permanent magnet motor 1 is fixedly connected with a pump head 4, the outer wall of the right side of the pump head 4 is preset with a bearing vibration and temperature probe 5, the bottom of the pump head 4 is fixedly connected with a vertical multistage centrifugal pump 6, the left side of the vertical multistage centrifugal pump 6 is provided with a water inlet 7, the top of the water inlet 7 is provided with a water inlet pressure probe 8, the left side of the water inlet 7 is connected with a water inlet connecting assembly 9, the right side of the vertical multistage centrifugal pump 6 is provided with a water outlet 10, the top of the water outlet 10 is provided with a water outlet pressure probe 11, the right side of the water outlet 10 is connected with a water outlet flow detection device 12, the outer wall of the front side of the liquid crystal full Chinese controller 2 is provided with an Internet of things antenna 13, and the top center of the liquid crystal full Chinese controller 2 is provided with an alarm 3.
Further, in the above technical solution, the permanent magnet motor 1 transmits the inlet pressure and the outlet pressure value detected by the water outlet 7 and the water inlet 10, the analog quantity data of the water inlet pressure and the data of the flow detection device 12 to the liquid crystal Chinese controller 2, the liquid crystal Chinese controller adjusts the speed of the permanent magnet motor in real time according to the pressure difference between the inlet and the outlet and the flow data in combination with the on-site demand pressure to meet the on-site demand, the permanent magnet motor 1, the pump head 4 and the vertical multistage centrifugal pump 6 are all in screw fastening connection, so that a vibration monitor and a temperature monitor which are matched with each other are conveniently installed through the bearing vibration and temperature probe 5 and the bearing vibration and temperature probe 5, therefore, the permanent magnet motor 1 is monitored, and when data abnormity is detected, the liquid crystal full Chinese controller 2 controls the alarm 3 to give an early warning, so that the maintenance of workers is facilitated.
Further, in the above technical solution, the water inlet 7 and the water outlet 10 are symmetrical about the longitudinal center line of the vertical multistage centrifugal pump 6, the water inlet 7 and the water outlet 10 correspond to the water inlet pressure probe 8 and the water outlet pressure probe 11, the water inlet pressure probe 8 and the water outlet pressure probe 11 extend into the water inlet 7 and the water outlet 10, external threads are formed on the outer sides of the tops of the water inlet pressure probe 8 and the water outlet pressure probe 11, so that a matched meter can be mounted through the external threads formed on the outer sides of the tops of the water inlet pressure probe 8 and the water outlet pressure probe 11, and the water amount input at the water outlet 10 and the water amount output at the water inlet 7 can be respectively measured through the flow meters at the water outlet pressure probe 11 and the water inlet pressure probe 8 and fed back to the liquid crystal full chinese controller 2 for balance calculation.
Further, in the above technical scheme, water inlet connection subassembly 9 and outlet flow detection device 12 are symmetrical about vertical multistage centrifugal pump 6's vertical central line, and water inlet connection subassembly 9 includes into water flange formula butterfly valve 91 and check valve 92 to check valve 92 installs in the right side outside of intaking flange formula butterfly valve 91, outlet flow detection device 12 includes into water flange formula butterfly valve 121 and ultrasonic water meter 122, and ultrasonic water meter 122 installs in the left side outside of intaking flange formula butterfly valve 121, is convenient for carry out water pump input and output water volume control through the cooperation of water inlet connection subassembly 9 and outlet flow detection device 12 intake pressure probe 8 and outlet pressure probe 11, dams through intake connection subassembly 9 and outlet flow detection device 12 cooperation to rivers, thereby makes things convenient for the maintenance of water pump.
Further, in above-mentioned technical scheme, check valve 92 fixed connection is outside in the right side of flange formula butterfly valve 91 of intaking, and check valve 92 valve body main part is located the inside right side of flange formula butterfly valve 91 of intaking to be screw fastening connection between flange formula butterfly valve 91 of intaking and the water inlet 7, the installation of the coupling assembling 9 of intaking of being convenient for is convenient for stop the backward flow of water through check valve 92, when maintaining, can damming through closing flange formula butterfly valve 91 of intaking.
Further, in the above technical solution, the ultrasonic water meter 122 is fixedly connected to the outside of the left side of the water inlet flange type butterfly valve 121, and the main part of the ultrasonic water meter 122 detection is located on the left side of the inside of the water inlet flange type butterfly valve 121, and the water inlet flange type butterfly valve 121 is connected with the water outlet 10 in a screw fastening manner, so that the water outlet flow detection device 12 can be installed conveniently, the data detected by the ultrasonic water meter 122 is compared with the meter at the water outlet pressure probe 11, so as to ensure the accuracy of the data, and when maintenance is performed, the cut-off can be performed by closing the water inlet flange type butterfly valve 121.
The working principle of the invention is as follows:
referring to the attached drawings 1-5 of the specification, the pump body is assembled by installing a vibration monitor and a temperature monitor which are matched with each other outside a bearing vibration and temperature probe 5, installing a flow meter which is matched with each other through a water inlet pressure probe 8 and a water outlet pressure probe 11, setting parameters of vibration and temperature of a permanent magnet motor 1 on a water outlet 10, and setting the maximum value of the input and output balance degree of a water pump to be 15%;
when the water pump works, the liquid crystal all-Chinese controller 2 transmits signals through the Internet-of-things antenna 13 to control the permanent magnet motor 1 to operate and rotate, under the rotation of the permanent magnet motor 1, blades in the vertical multistage centrifugal pump 6 rotate, so that water enters the vertical multistage centrifugal pump 6 through the water outlet flow detection device 12, the water outlet pressure probe 11 and the water outlet 10 and is discharged through the water inlet pressure probe 8, the water inlet 7 and the water inlet connecting assembly 9, in the water flowing process, the flow meters at the water outlet pressure probe 11 and the water inlet pressure probe 8 can respectively measure the water quantity input at the water outlet 10 and the water quantity discharged at the water inlet 7, meanwhile, the ultrasonic water meter 122 can also display the water quantity input at the water outlet 10 and transmit all data to the liquid crystal all-Chinese controller 2 for display;
meanwhile, when the permanent magnet motor 1 works, the vibration monitor and the temperature monitor which are arranged outside the bearing vibration and temperature probe 5 in a matched mode can carry out vibration and temperature monitoring on the permanent magnet motor 1 and feed data back to the liquid crystal full Chinese controller 2;
the external liquid crystal full Chinese controller 2 sorts and analyzes all received data, compares the set standard values, and controls the alarm 3 to start if the parameters deviate, so that a warning is given, and a worker can conveniently perform positioning maintenance.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (6)

1. The utility model provides a digital integrated thing networking permanent magnetism variable frequency pump, includes permanent-magnet machine (1), its characterized in that: the device is characterized in that a liquid crystal full Chinese controller (2) is fixedly connected to the outer wall of the left side of the permanent magnet motor (1), a pump head (4) is fixedly connected to the bottom of the permanent magnet motor (1), a bearing vibration and temperature probe (5) is preset on the outer wall of the right side of the pump head (4), a vertical multistage centrifugal pump (6) is fixedly connected to the bottom of the pump head (4), a water inlet (7) is arranged on the left side of the vertical multistage centrifugal pump (6), a water inlet pressure probe (8) is arranged at the top of the water inlet (7), a water inlet connecting assembly (9) is connected to the left side of the water inlet (7), a water outlet (10) is arranged on the right side of the vertical multistage centrifugal pump (6), a water outlet pressure probe (11) is arranged at the top of the water outlet (10), a water outlet flow detection device (12) is connected to the right side of the water outlet (10), an internet of things antenna (13) is arranged on the outer wall of the front side of the liquid crystal full Chinese controller (2), and an alarm (3) is arranged at the center of the top of the liquid crystal full Chinese controller (2).
2. The digital integrated internet of things permanent magnet variable frequency pump according to claim 1, characterized in that: the permanent magnet motor (1) is transmitted to the liquid crystal full Chinese controller (2) according to inlet pressure and outlet pressure values detected by the water outlet (7) and the water inlet (10), inlet pressure analog quantity data and flow detection device (12) data, the liquid crystal full Chinese controller adjusts the speed of the permanent magnet motor in real time according to inlet and outlet pressure difference and flow data and combination of site demand pressure to meet site demands, and the permanent magnet motor (1), the pump head (4) and the vertical multistage centrifugal pump (6) are all in screw fastening connection.
3. The digital integrated internet of things permanent magnet variable frequency pump according to claim 1, characterized in that: the water inlet (7) and the water outlet (10) are symmetrical about a longitudinal center line of the vertical multistage centrifugal pump (6), the water inlet (7) and the water outlet (10) correspond to the water inlet pressure probe (8) and the water outlet pressure probe (11) respectively, the water inlet pressure probe (8) and the water outlet pressure probe (11) extend to the inside of the water inlet (7) and the water outlet (10) respectively, and external threads are formed in the outer sides of the tops of the water inlet pressure probe (8) and the water outlet pressure probe (11).
4. The digital integrated internet of things permanent magnet variable frequency pump according to claim 1, characterized in that: the water inlet connecting assembly (9) and the water outlet flow detection device (12) are symmetrical about the longitudinal center line of the vertical multistage centrifugal pump (6), the water inlet connecting assembly (9) comprises a water inlet flange type butterfly valve (91) and a check valve (92), the check valve (92) is installed on the outer portion of the right side of the water inlet flange type butterfly valve (91), the water outlet flow detection device (12) comprises a water inlet flange type butterfly valve (121) and an ultrasonic water meter (122), and the ultrasonic water meter (122) is installed on the outer portion of the left side of the water inlet flange type butterfly valve (121).
5. The digital integrated internet of things permanent magnet variable frequency pump according to claim 4, characterized in that: check valve (92) fixed connection is in the right side outside of intaking flange formula butterfly valve (91), and check valve (92) valve body major part is located the inside right side of intaking flange formula butterfly valve (91) to be screw fastening connection between intaking flange formula butterfly valve (91) and water inlet (7).
6. The digital integrated internet of things permanent magnet variable frequency pump according to claim 4, characterized in that: the ultrasonic water meter (122) is fixedly connected to the outer portion of the left side of the water inlet flange type butterfly valve (121), the main detection part of the ultrasonic water meter (122) is located on the left side of the inner portion of the water inlet flange type butterfly valve (121), and the water inlet flange type butterfly valve (121) is in screw fastening connection with the water outlet (10).
CN202111502805.2A 2021-12-10 2021-12-10 Permanent magnet variable frequency pump for digital integrated Internet of things Pending CN114087209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111502805.2A CN114087209A (en) 2021-12-10 2021-12-10 Permanent magnet variable frequency pump for digital integrated Internet of things

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111502805.2A CN114087209A (en) 2021-12-10 2021-12-10 Permanent magnet variable frequency pump for digital integrated Internet of things

Publications (1)

Publication Number Publication Date
CN114087209A true CN114087209A (en) 2022-02-25

Family

ID=80307345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111502805.2A Pending CN114087209A (en) 2021-12-10 2021-12-10 Permanent magnet variable frequency pump for digital integrated Internet of things

Country Status (1)

Country Link
CN (1) CN114087209A (en)

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