CN210033877U - Intelligent environment-friendly variable speed pump system based on Internet of things - Google Patents
Intelligent environment-friendly variable speed pump system based on Internet of things Download PDFInfo
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- CN210033877U CN210033877U CN201920500218.1U CN201920500218U CN210033877U CN 210033877 U CN210033877 U CN 210033877U CN 201920500218 U CN201920500218 U CN 201920500218U CN 210033877 U CN210033877 U CN 210033877U
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Abstract
The utility model relates to a pump, concretely relates to intelligence environmental protection variable speed pump system based on thing networking, including intelligent environmental protection pump, intelligence environmental protection pump includes pump cover, the pump body, impeller and impeller installation axle, the both ends of pump cover are equipped with cooling water access connection and temperature sensor, through cooling water connecting pipe and four-way pipe intercommunication between two cooling water access connections, all be equipped with cooling water flow display table, cooling water control valve and differential pressure sensor on the cooling water connecting pipe of the left and right both sides of four-way pipe, the top of four-way pipe also is equipped with the cooling water control valve, the downside of four-way pipe is connected with the pump cover, the export of the pump body sets up flow sensor, pressure sensor and check valve, the entry of the pump body sets up the gate valve. The utility model discloses effectively stopped the maintenance difficulty and the sealed leakage phenomenon of pump, motor starting current is little, the torque is big, and is minimum to the electric wire netting impact, equipment unusual back, automatic alarm need not the special messenger on duty.
Description
Technical Field
The utility model relates to a mechanical pump, concretely relates to intelligence environmental protection variable speed pump system based on thing networking.
Background
The centrifugal pump is a pump for conveying liquid by centrifugal force generated when an impeller rotates, and mainly comprises the impeller, a pump body, a pump shaft, a bearing, a sealing ring, a stuffing box and the like. Currently, most centrifugal pump failures result from two sources:
1. the rigid rolling bearings at two ends of the pump body are not maintained timely, and the rigid rolling bearings are abraded after being lack of oil, so that the phenomena of vibration and overcurrent of the pump body are caused;
2. the water leakage phenomenon is caused by the damage of the seals at the two ends of the pump body;
once a fault occurs, the work schedule is directly affected.
In addition, most of the current variable-frequency speed-regulating motors for pumps are three-phase asynchronous motors, the asynchronous motors have the defects of poor casting, fatigue failure, maximum rotating speed limitation and the like caused by cage-shaped rotors, the efficiency of low-speed areas of the asynchronous motors is still poor, higher harmonics generated by work easily impact and pollute a power grid, the high-power motors are still difficult to load and start, and the problem of soft start cannot be really solved.
Therefore, the traditional pump has the defects of high maintenance cost, high energy consumption, regular lubrication oil (grease) adding of the bearing, special attendance and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a: the utility model provides an intelligence environmental protection speed change pump system based on thing networking has effectively stopped the maintenance difficulty and the sealed leakage phenomenon of pump, and motor starting current is little, the torque is big, and is minimum to the electric wire netting impact, and equipment is unusual after, automatic alarm, need not special person on duty.
The utility model discloses a solve the technical scheme that its technical problem adopted and do:
the intelligent environment-friendly speed-changing pump system based on the Internet of things comprises an intelligent environment-friendly pump, a switched reluctance motor, a temperature sensor, a pressure sensor, a differential pressure sensor, a flow sensor, a gate valve, a data transmission unit and a control device, wherein the intelligent environment-friendly pump comprises a pump cover, a pump body, an impeller and an impeller mounting shaft, cooling water inlet connectors and the temperature sensor are arranged at two ends of the pump cover, the two cooling water inlet connectors are communicated with a four-way pipe through cooling water connecting pipes, cooling water flow display meters, cooling water control valves and the differential pressure sensor are arranged on the cooling water connecting pipes at the left side and the right side of the four-way pipe, the cooling water control valves are also arranged above the four-way pipe, the lower side of the four-way pipe is connected with the pump cover, the flow sensor, the pressure sensor and the, the switched reluctance motor, the temperature sensor, the pressure sensor, the differential pressure sensor, the flow sensor and the data transmission unit are all connected with the control device.
Impeller installation is on impeller installation axle, and impeller installation axle is connected with the switch reluctance motor pivot, the both ends of impeller all are equipped with impeller fastening nut, and impeller installation axle both ends correspond the impeller and are equipped with first thrust dish and second thrust dish respectively, and first, two non-maintaining bearings are installed in the cooperation of thrust dish respectively down, first non-maintaining bearing upper portion is equipped with mechanical seal and first bearing shaft gland, the lower part of second non-maintaining bearing is equipped with non-maintaining axial thrust bearing, non-maintaining axial thrust bearing lower part be equipped with non-maintaining axial thrust bearing frame, non-maintaining axial thrust bearing frame corresponds and is equipped with the position control spare.
The intelligent environment-friendly pump is characterized in that a first maintenance-free bearing and a second maintenance-free bearing are respectively arranged at two ends of an impeller mounting shaft, and in order to prevent the pump from axially shifting, in the assembling process, only 2mm gaps are reserved between a first thrust disc and the first maintenance-free bearing and between a second thrust disc and the second maintenance-free bearing; the maintenance-free axial thrust bearing is convenient for adjusting the axial backward movement of the impeller mounting shaft and the clearance between the impeller and the impeller fastening nut under the condition of not stopping the pump; before the intelligent environment-friendly pump is started, an exhaust valve at the upper end of the pump cover is opened, so that the pump cover, the pump body, the first maintenance-free bearing and the second maintenance-free bearing are closed after being filled with water; after the pump starts, controlling means trails the operating condition and the pressure sensor of switch reluctance motor in real time, flow sensor, differential pressure sensor, the data that temperature sensor gathered to judge whether it has overload, default phase or locked rotor phenomenon, the data accessible data transmission unit transmission that controlling means detected to monitoring personnel, monitoring personnel also can send the instruction to equipment through cell-phone APP/web, in order to carry out the modification of control and parameter to equipment operating parameter according to the site operation condition.
When the cooling water connecting pipe is unblocked, the pipeline has no pressure difference, the pressure difference sensor outputs a normal working signal, when the cooling water connecting pipe is partially blocked and the cooling water flows very little, the pipeline has pressure difference, the pressure difference sensor outputs a fault alarm signal, the alarm gives an alarm, when the cooling water connecting pipe is blocked, the pressure difference is larger, a fault shutdown signal is output, and the system is immediately shut down; when the detection value of the temperature sensor reaches the alarm value, the alarm gives an alarm, and when the detection value reaches a set threshold value, the system is stopped; and the control device performs PID operation on the signal values of the collected pressure sensor and the collected flow sensor according to the set pressure value and flow value, reasonably controls the working power of the switched reluctance motor, saves energy and reduces consumption.
Controlling means includes motor detection the control unit and control chip, the switched reluctance motor's one, secondary connecting wire all connect in motor detection the control unit, and motor detection the control unit, pressure sensor, flow sensor, differential pressure sensor, temperature sensor and alarm all are connected to control chip, by control chip monitoring and controlgear's real-time operating parameter, the computer program that controlling means work was relied on belongs to technical personnel well-known technique in the field, does not belong to the utility model discloses an innovation point, here is not repeated.
Wherein, the preferred scheme is as follows:
the maintenance-free axial thrust bearing seat is fixed on the lower portion of the maintenance-free axial thrust bearing seat through a ball stud, a rear cover is arranged on the lower portion of the maintenance-free axial thrust bearing seat, and a nut is arranged at the end portion, far away from the maintenance-free axial thrust bearing, of the ball stud.
The maintenance-free axial thrust bearings on the two sides of the ball stud are provided with stop pins, and on one hand, the stop pins can prevent the maintenance-free axial thrust bearings from rotating along with the impeller mounting shaft; on the other hand, the two stop pins can ensure that the maintenance-free axial thrust bearing moves up and down in the two stop pin holes on the maintenance-free axial thrust bearing seat.
And a rotating shaft of the switched reluctance motor is connected to an impeller mounting shaft through a coupler.
The intelligent environment-friendly pump is a horizontal pump, and the horizontal pump and the switched reluctance motor are fixed through a shared base.
The intelligent environment-friendly pump is a vertical pump, the upper end of the pump body is fixed with the switched reluctance motor through the connecting frame, and the lower end of the pump body is provided with the pump body base.
The entry end of the pump body still is equipped with ultrasonic water level sensor, ultrasonic water level sensor links to each other with controlling means, detects pump body entrance water level height through ultrasonic water level sensor to in time early warning.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, an environment-friendly maintenance-free pump structure is adopted, the phenomena of difficult maintenance, overload and dry grinding of the pump are avoided, the pump shaft is shortened, and the reliability is high; the problems of difficult maintenance, sealing, heat dissipation and the like are effectively solved;
the switched reluctance motor is an efficient speed regulating device, has small starting current, large torque and extremely small impact on a power grid, and on one hand, the rotor of the switched reluctance motor has no copper loss; on the other hand, the reluctance motor has more controllable parameters, is easy to realize optimized control in a wide rotating speed range and under different loads, has very wide high-efficiency area and less energy consumption, automatically detects the change of the load, adjusts the current and fundamentally saves energy;
the remote monitoring is realized through an Internet of things platform, the water level, the lift, the flow, the rotating speed and the current equivalent value required on site can be set at random and remotely, a worker can remotely check the running state and real-time data of the switched reluctance motor through a mobile phone/a computer, such as the lift, the flow, the current, the voltage, the rotating speed, the inlet water level and the like, and can control the rotating speed and the start and stop of the switched reluctance motor in real time; the working current of the switched reluctance motor is lower than the rated current no matter the phenomena of locked rotor, frequent starting, frequent positive and negative rotation, overload, phase loss and the like occur; the burning of the motor winding is avoided, and the high reliability of the equipment is ensured; after the equipment is abnormal, the alarm is automatically given and the machine is stopped for maintenance in time, so that the reliable work in dangerous places such as toxic and combustible gases is ensured, and the labor efficiency is improved;
fourthly, no pollution, environmental protection, high efficiency and energy saving.
Drawings
FIG. 1 is a schematic structural view of example 1.
FIG. 2 is a schematic structural view of embodiment 1.
FIG. 3 is a schematic structural view of example 2.
FIG. 4 is a schematic structural view of example 2.
In the figure: 1. an intelligent environmental protection pump; 2. a switched reluctance motor; 3. a coupling; 4. a differential pressure sensor; 5. a cooling water control valve; 6. a check valve; 7. a pressure sensor; 8. a flow sensor; 9. a control device; 10. a cooling water connecting pipe; 11. a temperature sensor; 12. a common base; 13. an ultrasonic water level sensor; 14. a gate valve; 1-1, pump cover; 1-2, a pump body; 1-3, an impeller; 1-4, fastening a nut on the impeller; 1-5, a first thrust disc; 1-6, a first maintenance-free bearing; 1-7, mechanical sealing; 1-8, a first bearing seal gland; 1-9, cooling water inlet joint; 1-10, a connecting frame; 1-11, impeller mounting shaft; 1-12, fastening bolts; 1-13, a second maintenance-free bearing; 1-14, maintenance-free axial thrust bearing; 1-15, ball stud; 1-16, nut; 1-17, a retaining pin; 1-18, rear cover; 1-19, maintenance-free axial thrust bearing seat; 1-20 parts of a four-way pipe; 1-21, pump body base; 1-22 and a second thrust disc.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings:
example 1:
as shown in fig. 1-2, the intelligent environment-friendly speed change pump system based on the internet of things of the present invention comprises an intelligent environment-friendly pump 1, a switched reluctance motor 2, a temperature sensor 11, a pressure sensor 7, a differential pressure sensor 4, a flow sensor 8, a gate valve 14, an alarm, a data transmission unit and a control device 9, wherein the intelligent environment-friendly pump 1 comprises a pump cover 1-1, a pump body 1-2, an impeller 1-3 and an impeller installation shaft 1-11, cooling water inlet joints 1-9 and the temperature sensor 11 are arranged at two ends of the pump cover 1-1, the two cooling water inlet joints 1-9 are communicated with a four-way pipe 1-20 through a cooling water connection pipe 10, a cooling water control valve 5 and a differential pressure sensor 4 are arranged on the cooling water connection pipes at the left side and the right side of the four-way pipe 1-20, the cooling water control valve 5 is also arranged above, the lower side of the four-way pipe 1-20 is connected with the pump cover 1-1, the outlet of the pump body 1-2 is provided with a flow sensor 8, a pressure sensor 7 and a check valve 6, the inlet of the pump body 1-2 is provided with a gate valve 14, and the switched reluctance motor 2, the temperature sensor 11, the pressure sensor 7, the differential pressure sensor 4, the flow sensor 8, the alarm and the data transmission unit are all connected with a control device.
Wherein, the impeller 1-3 is arranged on an impeller mounting shaft 1-11, the impeller mounting shaft 1-11 is connected with a rotating shaft of a switched reluctance motor 2, two ends of the impeller 1-3 are respectively provided with an impeller fastening nut 1-4, two ends of the impeller mounting shaft 1-11 are respectively provided with a first thrust disc 1-5 and a second thrust disc 1-22 corresponding to the impeller 1-3, the first and second lower thrust discs are respectively provided with a first and a second maintenance-free bearings in a matching way, the upper part of the first maintenance-free bearing 1-6 is provided with a mechanical seal 1-7 and a first bearing shaft sealing cover 1-8, the lower part of the second maintenance-free bearing 1-13 is provided with a maintenance-free axial thrust bearing 1-14, the lower part of the maintenance-free axial thrust bearing 1-14 is provided with a maintenance-free axial thrust bearing seat 1-19, the maintenance-free axial thrust bearing blocks 1-19 are correspondingly provided with position adjusting pieces; the lower parts of the maintenance-free axial thrust bearings 1-14 are fixed with maintenance-free axial thrust bearing blocks 1-19 through ball studs 1-15, the lower parts of the maintenance-free axial thrust bearing blocks 1-19 are provided with rear covers 1-18, and the end parts of the ball studs 1-15 far away from the maintenance-free axial thrust bearings 1-14 are provided with nuts 1-16; stop pins 1-17 are arranged on maintenance-free axial thrust bearings 1-19 on two sides of the ball stud 1-15, on one hand, the stop pins 1-17 can prevent the maintenance-free axial thrust bearings 1-19 from rotating along with the impeller mounting shaft 1-11; on the other hand, the two stop pins 1-17 can ensure that the maintenance-free axial thrust bearing 1-14 moves up and down in the two stop pin holes on the maintenance-free axial thrust bearing seat 1-19; a rotating shaft of the switched reluctance motor 2 is connected to the impeller mounting shafts 1-11 through a coupling 3; the intelligent environment-friendly pump 1 is a vertical pump, the upper end of a pump body 1-2 is fixed with a switched reluctance motor 2 through a connecting frame 1-10, and the lower end of the pump body 1-2 is provided with a pump body base 1-21; the inlet end of the pump body 1-2 is also provided with an ultrasonic water level sensor 1-13, the ultrasonic water level sensor 1-13 is connected with the control device 9, and the water level height of the inlet of the pump body 1-2 is detected through the ultrasonic water level sensor 1-13 so as to give an early warning in time.
The intelligent environment-friendly pump 1 is characterized in that a first maintenance-free bearing and a second maintenance-free bearing are respectively arranged at two ends of an impeller mounting shaft 1-11, and in order to prevent the axial movement of the pump, in the assembly process, only 2mm gaps are reserved between a first thrust disc 1-5 and a first maintenance-free bearing 1-6, and between a second thrust disc 1-22 and a second maintenance-free bearing 1-13; the maintenance-free axial thrust bearing 1-14 is convenient for adjusting the backward movement of the impeller mounting shaft 1-11 and the clearance between the impeller 1-3 and the impeller fastening nut 1-4 under the condition of not stopping the pump; before the intelligent environment-friendly pump 1 is started, an exhaust valve at the upper end of a pump cover 1-1 is opened, so that the pump cover 1-1, the pump body 1-2, a first maintenance-free bearing 1-6 and a second maintenance-free bearing 1-13 are closed after being filled with water; after the pump starts, controlling means 9 trails the operating condition and pressure sensor 7 of switched reluctance motor 2, flow sensor 8, differential pressure sensor 4, the data that temperature sensor 11 gathered in real time to judge whether it has overload, default phase or locked rotor phenomenon, the data accessible data transmission unit transmission that controlling means 9 detected to the control personnel, the control personnel also can send the instruction to equipment through cell-phone APP web, in order to carry out the modification of control and parameter to equipment operating parameter according to the site operation condition.
When the cooling water connecting pipe 10 is unblocked, the pipeline has no pressure difference, the pressure difference sensor 4 outputs a normal working signal, when the cooling water connecting pipe 10 is partially blocked and the cooling water flows very little, the pipeline has pressure difference, the pressure difference sensor 4 outputs a fault alarm signal, the alarm gives an alarm, when the cooling water connecting pipe 10 is blocked, the pressure difference is larger, a fault shutdown signal is output, and the system is immediately shut down; when the detection value of the temperature sensor 11 reaches the alarm value, the alarm gives an alarm, and when the detection value reaches a set threshold value, the system is stopped; the control device 9 performs PID operation on the signal values of the collecting pressure sensor 7 and the collecting flow sensor 8 according to the set pressure value and flow value, reasonably controls the working power of the switched reluctance motor, saves energy and reduces consumption.
Example 2:
as shown in fig. 3 to 4, in this embodiment, a vertical pump is modified to a horizontal pump based on embodiment 1, and the horizontal pump and the switched reluctance motor 2 are fixed by a common base 12.
Claims (8)
1. The intelligent environment-friendly speed change pump system based on the Internet of things is characterized by comprising an intelligent environment-friendly pump (1), a switched reluctance motor (2), a temperature sensor (11), a pressure sensor (7), a differential pressure sensor (4), a flow sensor (8), a gate valve (14), an alarm, a data transmission unit and a control device (9), wherein the intelligent environment-friendly pump (1) comprises a pump cover (1-1), a pump body (1-2), an impeller (1-3) and an impeller mounting shaft (1-11), cooling water inlet connectors (1-9) and the temperature sensor (11) are arranged at two ends of the pump cover (1-1), the two cooling water inlet connectors (1-9) are communicated with a four-way pipe (1-20) through a cooling water connecting pipe (10), and the four-way pipe (1-20) is communicated with the left, All be equipped with cooling water control valve (5) and differential pressure sensor (4) on the cooling water connecting pipe of right side both sides, the top of four-way pipe (1-20) also is equipped with cooling water control valve (5), the downside of four-way pipe (1-20) is connected with pump cover (1-1), the export of the pump body (1-2) sets up flow sensor (8), pressure sensor (7) and check valve (6), the entry of the pump body (1-2) sets up gate valve (14), switched reluctance motor (2), temperature sensor (11), pressure sensor (7), differential pressure sensor (4), flow sensor (8), alarm and data transmission unit all link to each other with controlling means.
2. The intelligent environment-friendly speed-changing pump system based on the Internet of things as claimed in claim 1, wherein the impeller (1-3) is installed on an impeller installation shaft (1-11), the impeller installation shaft (1-11) is connected with a rotating shaft of the switched reluctance motor (2), two ends of the impeller (1-3) are respectively provided with an impeller fastening nut (1-4), two ends of the impeller installation shaft (1-11) are respectively provided with a first thrust disc (1-5) and a second thrust disc (1-22) corresponding to the impeller (1-3), the first and second lower thrust discs are respectively provided with a first and second maintenance-free bearings in a matching manner, the upper portion of the first maintenance-free bearing (1-6) is provided with a mechanical seal (1-7) and a first bearing seal cover (1-8), the lower portion of the second maintenance-free bearing (1-13) is provided with a maintenance-free axial thrust bearing (1-14), the lower part of the maintenance-free axial thrust bearing (1-14) is provided with a maintenance-free axial thrust bearing seat (1-19), and the maintenance-free axial thrust bearing seat (1-19) is correspondingly provided with a position adjusting piece.
3. The intelligent environment-friendly speed change pump system based on the Internet of things is characterized in that a maintenance-free axial thrust bearing seat (1-19) is fixed at the lower part of the maintenance-free axial thrust bearing (1-14) through a ball stud (1-15), a rear cover (1-18) is arranged at the lower part of the maintenance-free axial thrust bearing seat (1-19), and a nut (1-16) is arranged at the end part, far away from the maintenance-free axial thrust bearing (1-14), of the ball stud (1-15).
4. The intelligent environment-friendly speed change pump system based on the Internet of things of claim 3, wherein stop pins (1-17) are arranged on maintenance-free axial thrust bearings (1-14) on two sides of the ball stud (1-15).
5. The intelligent environment-friendly speed-changing pump system based on the Internet of things of claim 1, wherein a rotating shaft of the switched reluctance motor (2) is connected to an impeller mounting shaft (1-11) through a coupling (3).
6. The intelligent environment-friendly speed-changing pump system based on the Internet of things of claim 1, wherein the intelligent environment-friendly pump is a horizontal pump, and the horizontal pump and the switched reluctance motor (2) are fixed through a shared base (12).
7. The intelligent environment-friendly speed-changing pump system based on the Internet of things as claimed in claim 1, wherein the intelligent environment-friendly pump (1) is a vertical pump, the upper end of the pump body (1-2) is fixed with the switched reluctance motor (2) through the connecting frame (1-10), and the lower end of the pump body (1-2) is provided with a pump body base (1-21).
8. The intelligent environment-friendly speed-changing pump system based on the Internet of things as claimed in claim 1, wherein an ultrasonic water level sensor (13) is further arranged at an inlet end of the pump body (1-2), and the ultrasonic water level sensor (13) is connected with a control device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500218.1U CN210033877U (en) | 2019-04-12 | 2019-04-12 | Intelligent environment-friendly variable speed pump system based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500218.1U CN210033877U (en) | 2019-04-12 | 2019-04-12 | Intelligent environment-friendly variable speed pump system based on Internet of things |
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| Publication Number | Publication Date |
|---|---|
| CN210033877U true CN210033877U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920500218.1U Active CN210033877U (en) | 2019-04-12 | 2019-04-12 | Intelligent environment-friendly variable speed pump system based on Internet of things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253471A (en) * | 2020-10-26 | 2021-01-22 | 长沙中联泵业股份有限公司 | High-temperature high-pressure multi-stage pump |
-
2019
- 2019-04-12 CN CN201920500218.1U patent/CN210033877U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253471A (en) * | 2020-10-26 | 2021-01-22 | 长沙中联泵业股份有限公司 | High-temperature high-pressure multi-stage pump |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent environmental protection variable speed pump system based on Internet of things Effective date of registration: 20210902 Granted publication date: 20200207 Pledgee: Zibo Boshan District sub branch of Postal Savings Bank of China Pledgor: SHANDONG ZIBO PUMPS Co.,Ltd. Registration number: Y2021980008753 |