CN215595898U - Anti-idling multi-stage centrifugal energy-saving water pump - Google Patents

Anti-idling multi-stage centrifugal energy-saving water pump Download PDF

Info

Publication number
CN215595898U
CN215595898U CN202121916879.6U CN202121916879U CN215595898U CN 215595898 U CN215595898 U CN 215595898U CN 202121916879 U CN202121916879 U CN 202121916879U CN 215595898 U CN215595898 U CN 215595898U
Authority
CN
China
Prior art keywords
pump
motor
electromagnetic valve
control cabinet
detection device
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.)
Expired - Fee Related
Application number
CN202121916879.6U
Other languages
Chinese (zh)
Inventor
王维春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yunnan Xiaowei Energy Saving Technology Co ltd
Original Assignee
Yunnan Xiaowei Energy Saving Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yunnan Xiaowei Energy Saving Technology Co ltd filed Critical Yunnan Xiaowei Energy Saving Technology Co ltd
Priority to CN202121916879.6U priority Critical patent/CN215595898U/en
Application granted granted Critical
Publication of CN215595898U publication Critical patent/CN215595898U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model discloses an anti-spinning multistage centrifugal energy-saving water pump which comprises a motor, a coupler, a pump shell, a base, a water inlet, a water outlet, a pull rod and a control cabinet, wherein the coupler is arranged on the motor; a current detection device is arranged on the motor; a vacuum degree sensor is arranged on the inner wall of the upper part of the pump shell; the pump shell is communicated with a vacuum pump through a pipeline; a first electromagnetic valve is arranged on the water outlet; a second electromagnetic valve is arranged on the water inlet; the motor, the current detection device, the vacuum pump, the vacuum degree sensor, the first electromagnetic valve and the second electromagnetic valve are all connected with the control cabinet. The pump can effectively avoid idling of the pump body, and improves the practicability and the service life of the pump.

Description

Anti-idling multi-stage centrifugal energy-saving water pump
Technical Field
The utility model relates to the technical field of centrifugal pumps, in particular to an anti-spinning multi-stage centrifugal energy-saving water pump.
Background
Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water inlet pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of the pump shell. If the pump shell and the water inlet pipe are not filled with water before starting, or the water inlet pipe is insufficient due to failure in the working process, the centrifugal pump can idle. The existing centrifugal pump lacks an anti-idling function, so that the mechanical seal or the packing seal of the centrifugal pump cannot be lubricated once idling for a long time, the pump body is seriously abraded, the pump body can gradually generate heat, a part of gaps can be bitten in serious conditions, and the performance and the service life of the pump are seriously influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an anti-idling multi-stage centrifugal energy-saving water pump, which effectively solves the technical problems that once the pump is not pumped before being started, the centrifugal pump idles, mechanical seal or filler seal is seriously worn, a pump body is heated, partial gaps are seized, and the performance and the service life of the pump are seriously influenced.
The technical scheme provided by the utility model is as follows:
an anti-spinning multi-stage centrifugal energy-saving water pump comprises a motor, a coupler, a pump shell, a base, a water inlet, a water outlet, a pull rod and a control cabinet; a current detection device is arranged on the motor; a vacuum degree sensor is arranged on the inner wall of the upper part of the pump shell; the pump shell is communicated with a vacuum pump through a pipeline; a first electromagnetic valve is arranged on the water outlet; a second electromagnetic valve is arranged on the water inlet; the motor, the current detection device, the vacuum pump, the vacuum degree sensor, the first electromagnetic valve and the second electromagnetic valve are all connected with the control cabinet.
Further, a pressure detection device is arranged on the water inlet; the pressure detection device is connected with the control cabinet.
Further, a flow meter is arranged on the water outlet; the flowmeter is connected with the control cabinet.
Furthermore, a check valve is arranged on the water outlet.
Furthermore, an alarm is arranged on the outer wall of the pump shell; the alarm is connected with the control cabinet.
Furthermore, the alarm is an audible and visual alarm.
The utility model has the following beneficial effects:
this application passes through the electric current of current detection device real-time detection motor, through the vacuum in the vacuum sensor real-time detection pump case to convey the switch board with the testing result, the switch board can be according to opening and close of testing result control motor, thereby avoids taking place the idle running. Air in the pump shell is exhausted through the vacuum pump, so that water is sucked from the water inlet, and pump filling is completed. The pump can effectively avoid idling of the pump body, and improves the practicability and the service life of the pump.
Drawings
Fig. 1 is a schematic overall structure diagram of the embodiment.
In the figure: 1. a motor; 2. a coupling; 3. a pump housing; 4. a base; 5. a water inlet; 6. a water outlet; 7. a pull rod; 8. a current detection device; 9. a vacuum pump; 10. a vacuum degree sensor; 11. a first solenoid valve; 12. a liquid level sensor; 13. an alarm; 14. a control cabinet; 15. a second solenoid valve; 16. a pressure detection device; 17. a check valve.
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.
Examples
As shown in fig. 1, the anti-spinning multi-stage centrifugal energy-saving water pump comprises a motor 1, a coupling 2, a pump shell 3, a base 4, a water inlet 5, a water outlet 6, a pull rod 7 and a control cabinet 14; a current detection device 8 is arranged on the motor 1; a vacuum degree sensor 10 is arranged on the inner wall of the upper part of the pump shell 3; the pump shell 3 is communicated with a vacuum pump 9 through a pipeline; a first electromagnetic valve 11 is arranged on the water outlet 6; a second electromagnetic valve 15 is arranged on the water inlet 5; the motor 1, the current detection device 8, the vacuum pump 9, the vacuum degree sensor 10, the first electromagnetic valve 11 and the second electromagnetic valve 15 are all connected with the control cabinet 14.
When the centrifugal pump idles, the current of the motor 1 is reduced, meanwhile, the vacuum degree in the pump shell 3 is reduced, the anti-idling multistage centrifugal energy-saving water pump detects the current of the motor 1 in real time through the current detection device 8, detects the vacuum degree in the pump shell 3 in real time through the vacuum degree sensor 10, transmits a detection result to the control cabinet 14, and the control cabinet 14 can control the opening and closing of the motor 1 according to the detection result, so that the pump body is prevented from idling. Once the centrifugal pump is detected to be idle, the motor 1 is controlled to stop working, the vacuum pump 9 is started, air in the pump shell 3 is exhausted through the vacuum pump 9, water is sucked from the water inlet 5, pump filling is completed, then the motor 1 is started again, and the centrifugal pump is restarted.
Specifically, a pressure detection device 16 is arranged on the water inlet 5; the pressure detection device 16 is connected to the control cabinet 14. The pressure detection device 16 is used for detecting the water inlet pressure at the water inlet 5 in real time and can be used as an auxiliary parameter for controlling the rotating speed of the motor 1.
Specifically, in order to better monitor the water yield, a flowmeter 12 is arranged on the water outlet 6; flow meter 12 is connected to control cabinet 14.
Specifically, in order to prevent the backflow of water from adversely affecting the impeller, a check valve 17 is installed on the water outlet 6.
Specifically, an alarm 13 is arranged on the outer wall of the pump shell 3; the alarm 13 is connected with the control cabinet 14. When the centrifugal pump idles, an alarm can be given out to remind the working personnel to process in time.
Specifically, the alarm 13 is an audible and visual alarm.
The working principle of the utility model is as follows:
when the centrifugal pump runs idle, the current of the motor 1 decreases and the vacuum level in the pump housing 3 decreases. This application passes through the electric current of current detection device 8 real-time detection motor 1, through the vacuum in vacuum sensor 10 real-time detection pump case 3 to convey the switch board 14 with the testing result, switch board 14 can be according to opening and close of testing result control motor 1, thereby avoids the pump body to take place the idle running. Once the centrifugal pump is detected to be idle, the motor 1 is controlled to stop working, the vacuum pump 9 is started, air in the pump shell 3 is exhausted through the vacuum pump 9, water is sucked from the water inlet 5, pump filling is completed, then the motor 1 is started again, and the centrifugal pump is restarted.
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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An anti-spinning multi-stage centrifugal energy-saving water pump comprises a motor (1), a coupler (2), a pump shell (3), a base (4), a water inlet (5), a water outlet (6), a pull rod (7) and a control cabinet (14); the method is characterized in that: a current detection device (8) is arranged on the motor (1); a vacuum degree sensor (10) is mounted on the inner wall of the upper part of the pump shell (3); the pump shell (3) is communicated with a vacuum pump (9) through a pipeline; a first electromagnetic valve (11) is arranged on the water outlet (6); a second electromagnetic valve (15) is arranged on the water inlet (5); the motor (1), the current detection device (8), the vacuum pump (9), the vacuum degree sensor (10), the first electromagnetic valve (11) and the second electromagnetic valve (15) are all connected with the control cabinet (14).
2. The anti-spinning multi-stage centrifugal energy-saving water pump according to claim 1, characterized in that: a pressure detection device (16) is arranged on the water inlet (5); the pressure detection device (16) is connected with the control cabinet (14).
3. The anti-spinning multi-stage centrifugal energy-saving water pump according to claim 2, characterized in that: a flowmeter (12) is arranged on the water outlet (6); the flowmeter (12) is connected with the control cabinet (14).
4. The anti-spinning multi-stage centrifugal energy-saving water pump according to claim 3, characterized in that: and a check valve (17) is arranged on the water outlet (6).
5. The anti-spinning multi-stage centrifugal energy-saving water pump according to any one of claims 1 to 4, characterized in that: an alarm (13) is arranged on the outer wall of the pump shell (3); the alarm (13) is connected with the control cabinet (14).
6. The anti-spinning multi-stage centrifugal energy-saving water pump according to claim 5, characterized in that: the alarm (13) is an audible and visual alarm.
CN202121916879.6U 2021-08-16 2021-08-16 Anti-idling multi-stage centrifugal energy-saving water pump Expired - Fee Related CN215595898U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121916879.6U CN215595898U (en) 2021-08-16 2021-08-16 Anti-idling multi-stage centrifugal energy-saving water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121916879.6U CN215595898U (en) 2021-08-16 2021-08-16 Anti-idling multi-stage centrifugal energy-saving water pump

Publications (1)

Publication Number Publication Date
CN215595898U true CN215595898U (en) 2022-01-21

Family

ID=79881525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121916879.6U Expired - Fee Related CN215595898U (en) 2021-08-16 2021-08-16 Anti-idling multi-stage centrifugal energy-saving water pump

Country Status (1)

Country Link
CN (1) CN215595898U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115405535A (en) * 2022-08-26 2022-11-29 焦作市华康糖醇科技有限公司 Protection method for mechanical seal of tetrafluoro pump
CN115853794A (en) * 2023-03-02 2023-03-28 四川省机械研究设计院(集团)有限公司 Anti-idling water pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115405535A (en) * 2022-08-26 2022-11-29 焦作市华康糖醇科技有限公司 Protection method for mechanical seal of tetrafluoro pump
CN115853794A (en) * 2023-03-02 2023-03-28 四川省机械研究设计院(集团)有限公司 Anti-idling water pump
CN115853794B (en) * 2023-03-02 2023-05-26 四川省机械研究设计院(集团)有限公司 Anti-idle rotation water pump

Similar Documents

Publication Publication Date Title
CN215595898U (en) Anti-idling multi-stage centrifugal energy-saving water pump
CN108302044A (en) A kind of energy-efficient marine pump
CN103277315B (en) Pumped vacuum systems and vacuum pumping method
CN202301057U (en) Water diversion device for centrifugal pump
CN111473241B (en) Inverted bucket type drain valve capable of preventing flash and leakage
CN208734560U (en) Water Quenching Slag industrial water pump
CN108310811A (en) A kind of full-automatic centrifugal type oil conditioner
CN212360140U (en) Water pump operation protection device
CN202900677U (en) High-efficient anti-explosion pneumatic self-priming pump
CN208097472U (en) A kind of full-automatic centrifugal type oil conditioner
CN215486608U (en) Energy-saving water pump with water shortage protection function
CN213744008U (en) Prevent blockking up quick installation self priming pump structure
CN203384058U (en) Roots self-priming pump
CN210509610U (en) Novel vertical energy-saving self-priming pump
CN211059022U (en) Self-suction reinforced pump for drainage and waterlogging drainage
CN209278162U (en) A kind of water pump with remote control function
CN208900365U (en) A kind of horizontal linked self-priming pump group with sealing device
CN208669615U (en) A kind of intelligent cold-hot water self priming vortex pump
CN201546971U (en) Efficient suction and drain pump
CN117823419A (en) Intelligent mining self-priming pump with alarm mechanism
CN204079579U (en) A kind of MBR Sewage treatment systems
CN208073783U (en) Synchronous self-controlled Strong self priming pump system
CN211422936U (en) Self-priming pump with explosion-proof function
CN213478669U (en) Energy-saving device of high-efficiency energy-saving water pump
US1446903A (en) Gas and liquid pumping apparatus

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220121