CN2223369Y - Anti-idle running apparatus for mechanically-driven pump - Google Patents
Anti-idle running apparatus for mechanically-driven pump Download PDFInfo
- Publication number
- CN2223369Y CN2223369Y CN 95212715 CN95212715U CN2223369Y CN 2223369 Y CN2223369 Y CN 2223369Y CN 95212715 CN95212715 CN 95212715 CN 95212715 U CN95212715 U CN 95212715U CN 2223369 Y CN2223369 Y CN 2223369Y
- Authority
- CN
- China
- Prior art keywords
- controller
- interface
- pressure transducer
- contactor
- pump
- 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
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- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model belongs to an anti-idle running apparatus for a mechanically-driven pump, which is composed of a pressure sensor capable of resisting strong corrosion, a controller and an AC contactor, wherein the pressure sensor is arranged at the exit of a mechanically-driven pump whose output line is connected with a sensor interface of the controller. An output interface of the controller is connected with the AC contactor. A power supply interface of the controller and the AC contactor are separately connected with the power supply. The utility model has the advantages of the pressure sensor capable of resisting strong corrosion, application specific integrated module, simple structure, stable and reliable operation, strong anti-interference performance, high precision, and convenient operation.
Description
The utility model belongs to a kind of pump rotating device, particularly in the control gear of a kind of pump online auto monitoring no load running.
The pump product of present industrial extensive use must full of liquid in the pump when normal operation; Otherwise the mechanical seal of centrifugal pump, critical components such as the axle sleeve of magnetic drive pump and bearing, will because of lack liquid be caused the friction burn.In order to prevent that pump lacks liquid and burns, must observe the level change situation whenever and wherever possible by the people, when liquid soon exhausted, then will manually cut off the electricity supply immediately stopped pump work, otherwise pump will be burnt, and very trouble and dangerous like this operates; Particularly manyly be sealed in the severe corrosive in container, basin and the sealing geosyncline and stimulate many chemical mediator level change situations such as hypertoxicity then to be difficult to observe for having, make its phenomenon of burning so often occur remaining in operation after the pump evacuated medium, even serious accident takes place.
The purpose of this utility model is at the serious problems that exist in the prior art, the special antiaircraft rotating device of a kind of pump that proposes.This apparatus features is before pump soon is in no load running; pump inlet place liquid level reduce to suck little air, and when the pump internal pressure was reduced to certain limiting value, automatic monitoring system was closed driving power immediately; prevent the pump no load running, to reach the purpose of protection pump equipment.
The technological scheme of pump air defense rotating device of the present utility model is: it is mainly by the pressure transducer of being able to bear strong corrosion, controller and A.C. contactor constitute, pressure transducer wherein is installed in the outlet port of pump, its output line is connected with the sensor interface of controller, the output interface and the A.C. contactor of controller join, and the power interface of controller is connected with power supply respectively with A.C. contactor.The circuit of described controller comprises mu balanced circuit, integration module and relay, and mu balanced circuit wherein is by transformer BT, diode D
1-D
7, capacitor C
1, C
2, resistance R
1-R
5, regulator block W and by BG
1, BG
2The composite pipe that constitutes is formed, two output terminals of described transformer BT respectively with the diode D that is connected in series
1-D
4Two contacts connect its another contact lighting outlet and capacitor C
1W joins with regulator block, and the lighting outlet of described pressure transducer I is connected with integration module IC, the output line of the output line of integration module IC and regulator block W then with by BG
1, BG
2The composite pipe that constitutes is connected, at BG
1, BG
2Also be connected with resistance R between composite pipe that constitutes and the regulator block W
3, diode D
5-D
6And relay J, behind composite pipe, be connected to resistance R
5With diode D
7Described pressure transducer is made of ring support, spherical flexible sheet, probe contacts and sensing reed, and wherein lighting outlet is connected with the input interface of described controller.Be provided with stepped screw step on the ring support of described pressure transducer, the place embeds spherical flexible sheet at the screw step, and probe contacts wherein compresses diaphragm with the screw thread precession, and described spherical flexible sheet is the elastic fluororesin diaphragm.The front panel of the shell of described controller is provided with work indicator light, starts the knob key, stops knob key and protection tutorial light, and plate is provided with sensor interface in the back, insurance interface, output interface and power interface.Described integration module IC is the DFKZ-6626 integrated package.
The operating process of pump air defense rotating device of the present utility model is:
1, pressure transducer is assemblied in pump outlet port, connecting tube.
2, the pressure transducer lead-in wire inserts in the controller input interface.
3, the power supply of controller inserts 50Hz, and in the socket of 220V, the front panel green indicating lamp is bright, extinguishes after about 5 seconds, and red led is bright then, and the expression instrument is working properly.
4, pump injects liquid connection flow process by pipeline.
5, press front panel " startup " knob key, then red light extinguishes, and green light is bright, and pump begins proper functioning.When pump suction port liquid level reduces, when pressure was reduced to certain limiting value, pressure transducer was gathered signal and is transferred to controller, and the controller analysing and processing is sent control signal, and pump is shut down, and reaches the purpose of protection pump.At this moment red led is bright, and green light extinguishes.
The advantage of pump of the present utility model air defense rotating device mainly is to have adopted being able to bear strong corrosion property pressure transducer and special-purpose integration module, so have simple in structurely, working stability is reliable, strong anti-interference performance, the control accuracy height, applied widely, use spry and light convenience.
In order to further specify the structure of pump air defense rotating device of the present utility model, be described with reference to the accompanying drawings and in conjunction with the embodiments.Its accompanying drawing has:
Fig. 1 is the working principle and the pump graph of a relation of this device;
Fig. 2 is the circuit diagram of the controller of this device;
Fig. 3 is the motor switch schematic representation of this device;
Fig. 4 is the A.C. contactor circuti diagram of this device;
Fig. 5 is the structural drawing of the pressure transducer of this device;
Fig. 6 is the pressure transducer of this device and the graph of a relation of controller panel.
In Fig. 1-6:
P or 1 pump, C or 2 pressure transducers, M or 3 motors, 4 controllers; 5 A.C. contactors, 6 lead-in wires, 7 sensing reeds, 8 probe contacts; 9 spherical flexible sheets, 10 ring supports, 11 sensor interfaces; 12 insurance interfaces, 13,14 output interfaces, 15 power interfaces; 16 work indicator lights, 17 start button, and 16 stop key; 19 protection tutorial light, 20 controller housings, 21 power supplys.
The FV1 safety fuse cutout
The FV2 safety fuse cutout
L1, L2, L3 three-phase electricity A, B, C
The BT transformer
The D1-D7 diode
C1, C2 electric capacity
R1, R2, R3, R4, R5 resistance
The W regulator block
The I pressure transducer
The IC integration module
The J relay
The KM A.C. contactor
The M motor
The P pump
QS three-phase plug-in strip
Embodiment:
Pump air defense installation shown in Fig. 1-6, pressure transducer 2, controller 4 and A.C. contactor 5 constitute, and pressure transducer 2 wherein is installed in the outlet port of pump 1, pressure transducer 2 comprises lead-in wire 6, sensing reed 7, probe contacts 8, spherical flexible sheet 9 and ring support 10, its lead-in wire 6 joins with the sensor 11 of controller 4, the circuit of controller as shown in Figure 2, wherein integration module IC adopts the DFKZ-6626 integrated package, spherical flexible sheet 9 adopts the fluororesin diaphragms.Its motor switch circuit as shown in Figure 3, its A.C. contactor circuit is as shown in Figure 4.
The working principle of the controller 4 of present embodiment is that alternating current 220V is reduced to 15V through transformer BT, by D
1-D
4Rectification, C
1Filtering is again through the burning voltage of voltage-stabiliser tube W voltage stabilizing to+12V, for line work.Integration module IC handles the signal that pressure transducer 2 is sent here, analyzes back output through BG
1, BG
2The composite pipe that constitutes, the work of promotion relay J, and robot brain pump work.
Present embodiment has the controller of device to have delay start, the characteristics of time-delay crawl, also tool Time-delay closing is arranged, the characteristic of time-delay self-locking.
Claims (6)
1, a kind of pump air defense rotating device, it is characterized in that it is mainly by the pressure transducer of being able to bear strong corrosion, controller and A.C. contactor constitute, pressure transducer wherein is installed in the outlet port of pump, its output line is connected with the sensor interface of controller, and the output interface and the A.C. contactor of controller join, and the power interface of controller is connected with power supply respectively with A.C. contactor.
2, device as claimed in claim 1 is characterized in that the circuit of described controller comprises mu balanced circuit, integration module and relay, and mu balanced circuit wherein is by transformer BT, diode D
1-D
7, capacitor C
1, C
2, resistance R
1-R
5, regulator block W and by BG
1, BG
2The composite pipe that constitutes is formed, two output terminals of described transformer BT respectively with the diode D that is connected in series
1-D
4Two contacts connect its another contact lighting outlet and capacitor C
1W joins with regulator block, and the lighting outlet of described pressure transducer I is connected with integration module IC, the output line of the output line of integration module IC and regulator block W then with by BG
1, BG
2The composite pipe that constitutes is connected, at BG
1, BG
2Also be connected with resistance R between composite pipe that constitutes and the regulator block W
3, diode D
5-D
6And relay J, behind composite pipe, be connected to resistance R
5With diode D
7
3, device as claimed in claim 1 or 2 is characterized in that described pressure transducer is made of ring support, spherical flexible sheet, probe contacts and sensing reed, and wherein lighting outlet is connected with the input interface of described controller.
4, as claim 1 or 3 described devices, it is characterized in that on the ring support of described pressure transducer, being provided with stepped screw step, the place embeds spherical flexible sheet at the screw step, probe contacts wherein compresses diaphragm with the screw thread precession, and described spherical flexible sheet is the elastic fluororesin diaphragm.
5, device as claimed in claim 1 or 2 is characterized in that the front panel of the shell of described controller is provided with work indicator light, starts the knob key; stop knob key and protection tutorial light; plate is provided with sensor interface in the back, insurance interface, output interface and power interface.
6, device as claimed in claim 1 or 2 is characterized in that described integration module IC is the DFKZ-6626 integrated package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95212715 CN2223369Y (en) | 1995-06-16 | 1995-06-16 | Anti-idle running apparatus for mechanically-driven pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95212715 CN2223369Y (en) | 1995-06-16 | 1995-06-16 | Anti-idle running apparatus for mechanically-driven pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2223369Y true CN2223369Y (en) | 1996-03-27 |
Family
ID=33862820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95212715 Expired - Fee Related CN2223369Y (en) | 1995-06-16 | 1995-06-16 | Anti-idle running apparatus for mechanically-driven pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2223369Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019347A (en) * | 2017-11-08 | 2018-05-11 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of multifunction pump with condition monitoring and regulatory function |
-
1995
- 1995-06-16 CN CN 95212715 patent/CN2223369Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019347A (en) * | 2017-11-08 | 2018-05-11 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of multifunction pump with condition monitoring and regulatory function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |