CN210317928U - Quick detection device under water pump import negative pressure operating mode - Google Patents
Quick detection device under water pump import negative pressure operating mode Download PDFInfo
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- CN210317928U CN210317928U CN201920694117.2U CN201920694117U CN210317928U CN 210317928 U CN210317928 U CN 210317928U CN 201920694117 U CN201920694117 U CN 201920694117U CN 210317928 U CN210317928 U CN 210317928U
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Abstract
The utility model discloses a quick detection device under water pump import negative pressure operating mode, including water pump and gas holder, the exit of water pump is connected with inlet tube and outlet pipe respectively, the inlet tube includes first inlet tube and the second inlet tube of connecting through reducing joint, the diameter of second inlet tube is less than the diameter of first inlet tube, the import of second inlet tube connection in water pump. The utility model discloses a change the size of inlet tube pipe diameter, improve the pressure at water pump import water source, make the water droplet of continuous blasting appear the clearance in the cavitation phenomenon, if when pressure does not reach the setting value, PLC controller control first solenoid valve and second solenoid valve open, guarantee that water pump import water source has higher pressure, dual protection effect has, the water source of higher pressure can delay the continuity that cavitation took place, reach and change former cavitation residual value, make the cavitation phenomenon reduce the minimum and do not influence the water pump operation.
Description
Technical Field
The utility model relates to a water pump detection device technical field specifically is a quick detection device under water pump import negative pressure operating mode.
Background
The water pump is a machine for conveying liquid or pressurizing liquid, and the water pump is more and more widely used. When the water pump runs in a system, abnormal sound, increased vibration and even performance reduction often occur, and the phenomenon is likely to be cavitation of the water pump. The water pump needs to be detected and maintained in the using process, so that the water pump can normally operate. Therefore, the device for quickly detecting the water pump inlet under the negative pressure working condition is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick detection device under water pump import negative pressure operating mode to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick detection device under water pump import negative pressure operating mode, includes water pump and gas holder, the exit of water pump is connected with inlet tube and outlet pipe respectively, the inlet tube includes first inlet tube and the second inlet tube of connecting through reducer union, the diameter of second inlet tube is less than the diameter of first inlet tube, second inlet tube connects in the import of water pump, second inlet tube middle part is connected with the distributive pipe through the three-way pipe, the distributive pipe is connected with pressurized water tank, the gas outlet of gas holder passes through the atmospheric pressure union coupling in pressurized water tank, the last PLC controller of installing of pressurized water tank.
Preferably, install pressure sensor on the second inlet tube, pressure sensor and PLC controller electric connection.
Preferably, install first solenoid valve on the distributive pipe, install the second solenoid valve on the pneumatic tube, first solenoid valve and second solenoid valve all with PLC controller electric connection.
Preferably, the diameter of the water outlet pipe is the same as that of the first water inlet pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a change the size of inlet tube pipe diameter, improve the pressure at water pump import water source, make the water droplet of continuous blasting appear the clearance in the cavitation phenomenon, if when pressure does not reach the setting value, PLC controller control first solenoid valve and second solenoid valve open, guarantee that water pump import water source has higher pressure, dual protection effect has, the water source of higher pressure can delay the continuity that cavitation took place, reach and change former cavitation residual value, make the cavitation phenomenon reduce the minimum and do not influence the water pump operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the electrical connection structure of the present invention.
In the figure: the water pump comprises a water pump 1, a gas storage tank 2, a water inlet pipe 3, a reducer union 301, a first water inlet pipe 302, a second water inlet pipe 303, a water outlet pipe 4, a water distribution pipe 5, a pressurized water tank 6, a pneumatic pipe 7, a pressure sensor 8, a first electromagnetic valve 9, a second electromagnetic valve 10 and a PLC controller 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a quick detection device under water pump import negative pressure operating mode, includes water pump 1 and gas holder 2, the exit of water pump 1 is connected with inlet tube 3 and outlet pipe 4 respectively, inlet tube 3 includes first inlet tube 302 and the second inlet tube 303 of connecting through reducing joint 301, the diameter of second inlet tube 303 is less than the diameter of first inlet tube 302, second inlet tube 303 is connected in the import of water pump 1, second inlet tube 303 middle part is connected with distributive pipe 5 through the three-way pipe, distributive pipe 5 is connected with pressurized water tank 6, gas holder 2's gas outlet is passed through pneumatic tube 7 and is connected in pressurized water tank 6, install PLC controller 11 on pressurized water tank 6.
Specifically, install pressure sensor 8 on the second inlet tube 303, pressure sensor 8 and PLC controller 11 electric connection.
Specifically, install first solenoid valve 9 on the distributive pipe 5, install second solenoid valve 10 on the pneumatic tube 7, first solenoid valve 9 and second solenoid valve 10 all with PLC controller 11 electric connection.
Specifically, the diameter of the water outlet pipe 4 is the same as that of the first water inlet pipe 302.
Specifically, during the use, include first inlet tube 302 and second inlet tube 303 through reducer union 301 connection through inlet tube 3, the diameter of second inlet tube 303 is less than the setting of the diameter of first inlet tube 302, make inlet tube 3 diameter diminish, thereby make the pressure of the water source of inlet tube 3 flow through increase, the diameter of outlet pipe 4 is the same with the diameter of first inlet tube 302, make the pressure differential of water pump 1 exit change, detect the pressure of second inlet tube 303 through pressure sensor 8, and transmit the signal to PLC controller 11, when the pressure value does not reach the setting value, PLC controller 11 controls first solenoid valve 9 and second solenoid valve 10 to open, pressurize to pressurized water tank 6 in through gas holder 2, and pressurized water tank 6 communicates with second inlet tube 303 again, second inlet tube 303 communicates with water pump 1, make the water source that gets into water pump 1 have higher pressure, the water source with higher pressure can delay the continuity of cavitation, so as to change the original cavitation residual value and reduce the cavitation phenomenon to the minimum degree without influencing the operation of the water pump. The utility model discloses a through the size that changes 3 pipe diameters of inlet tube, improve the pressure at 1 import water sources of water pump, make the water droplet of continuous blasting appear the clearance in the cavitation phenomenon, if when pressure does not reach the setting value, PLC controller 11 controls first solenoid valve 9 and second solenoid valve 10 and opens, guarantee that 1 import water sources of water pump has higher pressure, dual protection effect has, the water source of higher pressure can delay the continuity that cavitation took place, reach and change former cavitation residual value, make the cavitation phenomenon reduce the minimum and do not influence the water pump operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a quick detection device under water pump import negative pressure operating mode, includes water pump (1) and gas holder (2), its characterized in that: the exit of water pump (1) is connected with inlet tube (3) and outlet pipe (4) respectively, inlet tube (3) include first inlet tube (302) and second inlet tube (303) that connect through reducing joint (301), the diameter of second inlet tube (303) is less than the diameter of first inlet tube (302), second inlet tube (303) are connected in the import of water pump (1), second inlet tube (303) middle part is connected with distributive pipe (5) through the three-way pipe, distributive pipe (5) are connected with pressurized water tank (6), the gas outlet of gas holder (2) passes through pneumatic tube (7) and connects in pressurized water tank (6), install PLC controller (11) on pressurized water tank (6).
2. The device for rapidly detecting the negative pressure working condition at the water pump inlet according to claim 1, is characterized in that: install pressure sensor (8) on second inlet tube (303), pressure sensor (8) and PLC controller (11) electric connection.
3. The device for rapidly detecting the negative pressure working condition at the water pump inlet according to claim 1, is characterized in that: install first solenoid valve (9) on distributive pipe (5), install second solenoid valve (10) on pneumatic tube (7), first solenoid valve (9) and second solenoid valve (10) all with PLC controller (11) electric connection.
4. The device for rapidly detecting the negative pressure working condition at the water pump inlet according to claim 1, is characterized in that: the diameter of the water outlet pipe (4) is the same as that of the first water inlet pipe (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694117.2U CN210317928U (en) | 2019-05-16 | 2019-05-16 | Quick detection device under water pump import negative pressure operating mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694117.2U CN210317928U (en) | 2019-05-16 | 2019-05-16 | Quick detection device under water pump import negative pressure operating mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210317928U true CN210317928U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920694117.2U Active CN210317928U (en) | 2019-05-16 | 2019-05-16 | Quick detection device under water pump import negative pressure operating mode |
Country Status (1)
| Country | Link |
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| CN (1) | CN210317928U (en) |
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2019
- 2019-05-16 CN CN201920694117.2U patent/CN210317928U/en active Active
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