CN105864020B - Water pump anti-backflow monitoring device - Google Patents
Water pump anti-backflow monitoring device Download PDFInfo
- Publication number
- CN105864020B CN105864020B CN201610296470.6A CN201610296470A CN105864020B CN 105864020 B CN105864020 B CN 105864020B CN 201610296470 A CN201610296470 A CN 201610296470A CN 105864020 B CN105864020 B CN 105864020B
- Authority
- CN
- China
- Prior art keywords
- screw rod
- sensor
- bolt hole
- inner bolt
- probe jacket
- 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.)
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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
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
A kind of water pump anti-backflow monitoring device of the present invention, described device include screw rod（1）, the screw rod（1）Center is provided with inner bolt hole, the screw rod along its length（1）Inner bolt hole bottom rotation be equipped with probe jacket（2）, the probe jacket（2）For a barrel-like structure, and the probe jacket of the barrel-like structure（2）Openend towards screw rod（1）Inner bolt hole, the probe jacket（2）Tubbiness opening bottom be provided with magnetic conduction sheet（3）, the magnetic conduction sheet（3）On sensor is installed（4）, the probe jacket（2）It is interior to be equipped with Waveform Input module（5）, the sensor（4）Through Waveform Input module（5）After pass through signal wire（6）External output signal.A kind of water pump anti-backflow monitoring device of the present invention can invert the pump housing and be monitored in real time.
Description
Technical field
The present invention relates to a kind of detection devices, are filled more particularly, to a kind of monitoring for preventing the hydraulic turbine, water pump from flowing backwards
It puts, is caused damages with waterproof pump refluence, so that it is guaranteed that the normal use of equipment.
Background technology
The large-scale pump housing, the hydraulic turbine often make equipment damage during machine is opened due to occurring flowing backwards inverting, so as to cause weight
Big loss；And test device and method conventional at present is only restricted in the means such as rotating speed, hypervelocity that measure, and the pump housing can not be flow backwards
Controlled, will result in this way because the large-scale pump housing on startup because refluence cause reversion due to damage.
Invention content
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of the water pump monitored in real time can be inverted to the pump housing
Anti-backflow monitoring device.
The object of the present invention is achieved like this：
A kind of water pump anti-backflow monitoring device, described device include screw rod, and the pitch is set along its length
It is equipped with inner bolt hole, the inner bolt hole bottom rotation of the screw rod is equipped with probe jacket, and the probe jacket is a barrel-like structure, and the bucket
Towards the inner bolt hole of screw rod, the bottom of the tubbiness opening of the probe jacket, which is provided with, leads for the openend of the probe jacket of shape structure
Magnetic sheet, is equipped with sensor on the magnetic conduction sheet, and equipped with Waveform Input module in the probe jacket, the sensor is through wave
Pass through the external output signal of signal wire after shape input module.
A kind of water pump anti-backflow monitoring device of the present invention, the sensor, which includes, rotates forward detection sensor and measurement of converse rotation
Sensor, and rotate forward and be set as 180 ° of angles between detection sensor and measurement of converse rotation sensor.
A kind of water pump anti-backflow monitoring device of the present invention, the inner bolt hole of the screw rod is interior to be filled with epoxy resin.
A kind of water pump anti-backflow monitoring device of the present invention, on the external screw thread of the screw rod rotation be equipped with fixing nut.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention utilizes the principle of electromagnetic induction, and the direction of rotation of the rotor element in the pump housing is carried out using cordless
Monitoring in real time, so as to effectively prevent its generation rollback corruption equipment；Meanwhile using rotating forward detection sensor and measurement of converse rotation
Sensor is detected, and setting angle difference causes it to export different waveform signals between the two so that the waveform of detection
Signal stabilization, accurate, strong antijamming capability, improve accuracy of detection；And contactless mode is easy for installation, and it can also be to old
Equipment carries out upgrading, is conducive to the utilization and extention of this patent product.
Description of the drawings
Fig. 1 is a kind of structure diagram of water pump anti-backflow monitoring device of the present invention.
Fig. 2 is a kind of monitoring flow diagram of water pump anti-backflow monitoring device of the present invention.
Wherein：
Screw rod 1, magnetic conduction sheet 3, sensor 4, Waveform Input module 5, signal wire 6, epoxy resin 7, is fixed probe jacket 2
Nut 8；
Rotate forward detection sensor 4.1, measurement of converse rotation sensor 4.2.
Specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of water pump anti-backflow monitoring device of the present invention, described device includes screw rod 1,
1 center of screw rod is provided with inner bolt hole along its length, and the inner bolt hole bottom rotation of the screw rod 1 is equipped with probe jacket 2, institute
Probe jacket 2 is stated as a barrel-like structure, and the openend of the probe jacket 2 of the barrel-like structure is towards the inner bolt hole of screw rod 1, it is described
The bottom of the tubbiness opening of probe jacket 2 is provided with magnetic conduction sheet 3, and sensor 4, the probe shield are equipped on the magnetic conduction sheet 3
Pass through 6 external output signal of signal wire after Waveform Input module 5 equipped with Waveform Input module 5, the sensor 4 in set 2；
Concretely, the sensor 4, which includes, rotates forward detection sensor 4.1 and measurement of converse rotation sensor 4.2, and rotate forward
180 ° of angles are set as between detection sensor 4.1 and measurement of converse rotation sensor 4.2；
During detection, by probe jacket 2 close to the interior rotor element of the pump housing, the magnetic force of magnetic conduction sheet 3 is cut when rotor element rotates
Line, so that sensor 4 gets corresponding waveform signal；And sensor 4 is using rotating forward detection sensor 4.1 and reversion
There is detection sensor 4.2 certain angle to be installed, and can effectively play the role of jamproof, raising accuracy of detection, biography
4 collected waveform of sensor is input to data acquisition and analysis system by Waveform Input module 5（Data acquisition and analysis system is
9100 data acquisition and analysis systems）, you can the rotation direction of rotor element is monitored in real time, when inverting, is sent out immediately
Go out emergency-stop signal；
Further, it, for being fastened to all parts, is protected filled with epoxy resin 7 in the inner bolt hole of the screw rod 1
Demonstrate,prove measurement accuracy；
Further, rotation is equipped with fixing nut 8 on the external screw thread of the screw rod 1, for screw rod 1 to be fixed on measured object
On；
Further, the rotating forward detection sensor 4.1 and measurement of converse rotation sensor 4.2 are magnetic induction type revolution speed sensing
Device, model：D151821；
In addition：It should be noted that above-mentioned specific embodiment is only a prioritization scheme of this patent, the skill of this field
Any change or improvement that art personnel are done according to above-mentioned design, within the protection domain of this patent..
Claims (1)
1. a kind of water pump anti-backflow monitoring device, it is characterised in that：Described device includes screw rod（1）, the screw rod（1）Center
It is provided with inner bolt hole, the screw rod along its length（1）Inner bolt hole bottom rotation be equipped with probe jacket（2）, the probe shield
Set（2）For a barrel-like structure, and the probe jacket of the barrel-like structure（2）Openend towards screw rod（1）Inner bolt hole, the spy
End protective cover（2）Tubbiness opening bottom be provided with magnetic conduction sheet（3）, the magnetic conduction sheet（3）On sensor is installed（4）, it is described
Probe jacket（2）It is interior to be equipped with Waveform Input module（5）, the sensor（4）Through Waveform Input module（5）After pass through signal wire
（6）External output signal；
The sensor（4）Include rotating forward detection sensor（4.1）With measurement of converse rotation sensor（4.2）, and rotate forward detection and pass
Sensor（4.1）With measurement of converse rotation sensor（4.2）Between be set as 180 ° of angles；The screw rod（1）Inner bolt hole in be filled with
Epoxy resin（7）；The screw rod（1）External screw thread on rotation be equipped with fixing nut（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296470.6A CN105864020B (en) | 2016-05-06 | 2016-05-06 | Water pump anti-backflow monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296470.6A CN105864020B (en) | 2016-05-06 | 2016-05-06 | Water pump anti-backflow monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864020A CN105864020A (en) | 2016-08-17 |
| CN105864020B true CN105864020B (en) | 2018-06-22 |
Family
ID=56630455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610296470.6A Active CN105864020B (en) | 2016-05-06 | 2016-05-06 | Water pump anti-backflow monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864020B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893391A (en) * | 2018-09-13 | 2020-03-20 | 宁德时代新能源科技股份有限公司 | Gluing control method and gluing equipment for producing batteries |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202673707U (en) * | 2012-07-31 | 2013-01-16 | 湖南崇德工业科技有限公司 | Negative-rotation detecting device of electric water pumping unit |
| CN203305369U (en) * | 2013-06-28 | 2013-11-27 | 成都众易通科技有限公司 | Sensing device for forward and reverse rotation detection of rotary drum |
| CN203422633U (en) * | 2013-09-04 | 2014-02-05 | 济南大学 | Multi-signal acquisition velocity measurement and reverse rotation protection control device |
| CN104454492A (en) * | 2014-10-31 | 2015-03-25 | 珠海格力电器股份有限公司 | Device and method for detecting inversion of compressor |
| CN205047449U (en) * | 2015-02-13 | 2016-02-24 | 颜作作 | Prevent immersible pump that flows backwards |
-
2016
- 2016-05-06 CN CN201610296470.6A patent/CN105864020B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202673707U (en) * | 2012-07-31 | 2013-01-16 | 湖南崇德工业科技有限公司 | Negative-rotation detecting device of electric water pumping unit |
| CN203305369U (en) * | 2013-06-28 | 2013-11-27 | 成都众易通科技有限公司 | Sensing device for forward and reverse rotation detection of rotary drum |
| CN203422633U (en) * | 2013-09-04 | 2014-02-05 | 济南大学 | Multi-signal acquisition velocity measurement and reverse rotation protection control device |
| CN104454492A (en) * | 2014-10-31 | 2015-03-25 | 珠海格力电器股份有限公司 | Device and method for detecting inversion of compressor |
| CN205047449U (en) * | 2015-02-13 | 2016-02-24 | 颜作作 | Prevent immersible pump that flows backwards |
Non-Patent Citations (1)
| Title |
|---|
| 泵轴反转测量与传感器安装;苏国权;《发电设备》;20150331;第29卷(第2期);第146-154页第1-2节 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105864020A (en) | 2016-08-17 |
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