CN203982119U - The full intelligent controller of shielded electric pump - Google Patents
The full intelligent controller of shielded electric pump Download PDFInfo
- Publication number
- CN203982119U CN203982119U CN201420365999.5U CN201420365999U CN203982119U CN 203982119 U CN203982119 U CN 203982119U CN 201420365999 U CN201420365999 U CN 201420365999U CN 203982119 U CN203982119 U CN 203982119U
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- China
- Prior art keywords
- circuit
- electric pump
- shielded electric
- central processing
- intelligent controller
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Abstract
The full intelligent controller of shielded electric pump, comprise central processing unit and peripheral circuit, bearing radially, the phase sequential signal of axially wearing and tearing, temperature, motor is through the processing of central processing unit, show by display circuit, central processing unit is to carrying out the statistics of cumulative effect to data, calculate and approach actual numerical value, the upper and lower limit numerical value of this numerical value and setting compares, and realizes the arbitration functions to reporting to the police.The full intelligent controller of shielded electric pump of the present utility model, can realize bearing axially, gauge wear, temperature monitoring, pressure monitoring, power phase change or phase shortage monitoring, alarming, can effectively predict the fault of shielded electric pump according to the data of monitoring, avoided the economic loss causing because of disorderly closedown, what when the equipment that can also dope needed simultaneously keeps in repair; Release personnel operation at the scene, reduces operating cost greatly, and several data is concentrated and gathered, and reduces instrument input cost and improves reliability, and save data is conducive to analyzing failure cause.
Description
Technical field
The utility model relates to electronic instrumentation, relates in particular to a kind of signal monitoring apparatus for shielded electric pump.
Background technology
At present, in shielded electric pump industry, do not have comprehensive monitoring instrument to deal with complicated signals collecting and monitoring.Measuring instrument (TRG) function singleness of existing canned motor pump, a kind of is the phase sequential signal that can only survey radial signals and three-phase, and be pointer instruction, can not thermometric, can not survey axial wear extent, can not measuring pressure, can not preserve measurement data, can not adopt LED to show, and be to be often subject to electromagnetic interference (EMI) to cause instrument malfunction, instruction inaccurate.Another kind of existing axial displacement supervising device can detect the variable quantity of axial displacement, can not survey radial signals, can not thermometric, can not measuring pressure, can not preserve measurement data.
And, when bearing wear to need to change degree time, need operating personnel to arrive the on-the-spot reading of machine, according to indicated value analysis judgement, then take corresponding measure processing, field environmental condition is often severe, make troubles to operation, and personnel need periodical inspection, increase operating cost; Simultaneously, the measuring instrument of existing canned motor pump does not have data long record to preserve function for future reference, the operation conditions of canned motor pump can not demand the generation of investigation fault time, can not predict the fault of equipment, can not reasonably dispatch the maintenance of equipment, cause the unnecessary damage of equipment and problem that can not on-call maintenance, reduced work efficiency.
Utility model content
The problems referred to above that exist in order to overcome traditional shielded electric pump monitoring instrument, the utility model provides a kind of can realize the full intelligent controller of shielded electric pump that signal is carried out to comprehensive monitoring and failure prediction.
The technical scheme that the utility model adopted is for achieving the above object: the full intelligent controller of shielded electric pump, comprise central processing unit, radially testing circuit and axial testing circuit, the gauge wear sensor 10 being installed on shielded electric pump stator 3 coils is connected radially testing circuit and axially testing circuit by output terminal by A/D change-over circuit with the axial wear sensor 9 being installed on the pump housing 1 rear end cap, and radially testing circuit is connected the central processing unit of central processing module with axial testing circuit.
Also comprise display circuit, display circuit is made up of LED, and display circuit is connected with central processing unit.
Also comprise temperature sensing circuit, the output terminal that is installed on the temperature sensor 11 of shielded electric pump stator 3 winding overhangs connects temperature sensing circuit by A/D change-over circuit, and temperature sensing circuit connects central processing unit.
The phase sequence and the lack detection circuit that also comprise motor, phase sequence and lack detection circuit are connected with central processing unit.
Monitor 12 is installed on the pump housing 1 by terminal box 7, terminal box 7 bases and stator 3 UNICOMs, and terminal box 7 bases are provided with pressure transducer 8.
Also be provided with RS485 communicating circuit, central processing unit is connected with outer computer by RS485 communicating circuit.
Also be provided with Infrared Transmission circuit, central processing unit is connected with read write line by IrDA Radio infrared data transmission.
Also be provided with power-switching circuit, power-switching circuit connects central processing unit.
Complete intelligent controller of shielded electric pump of the present utility model, can realize bearing axially, gauge wear, temperature monitoring, pressure monitoring, power phase change or phase shortage monitoring, alarming; When shielded electric pump operation, scene operates without personnel, and data can long record be preserved for future reference; Also can effectively predict the fault of shielded electric pump according to the data of monitoring; avoid because the economic loss that disorderly closedown causes; what when the equipment that simultaneously can also dope needed keeps in repair, and is convenient to like this production system and carries out the maintenance of equipment and scientifically dispatch.Increase the service life more than 50% than existing instrument, resolving accuracy is high, Long-distance Control and operation are provided, release personnel operation at the scene, reduces operating cost greatly, and several data is concentrated and gathered, reduce metered quantity, directly reduce instrument input cost and improve reliability, save data is conducive to analyzing failure cause, saves fault verification expense, forms improvement project fast and enhance productivity.
Brief description of the drawings
Fig. 1 is complete intelligent controller schematic diagram of the utility model shielded electric pump.
Fig. 2 is the schematic diagram that the full intelligent controller of the utility model shielded electric pump and computer carry out exchanges data and storage.
Fig. 3 is the mounting structure figure of the full intelligent controller of the utility model shielded electric pump on canned motor pump.
Fig. 4 is the central processing circuit figure of the full intelligent controller of the utility model shielded electric pump.
Fig. 5 is the power-switching circuit of the full intelligent controller of the utility model shielded electric pump.
Fig. 6 is the axial testing circuit of the full intelligent controller of the utility model shielded electric pump.
Fig. 7 is the radially testing circuit of the full intelligent controller of the utility model shielded electric pump.
Fig. 8 is the temperature sensing circuit of the full intelligent controller of the utility model shielded electric pump.
Fig. 9 is phase sequence and the lack detection circuit of the full intelligent controller of the utility model shielded electric pump.
Figure 10 is the display circuit of the full intelligent controller of the utility model shielded electric pump.
Figure 11 is the display interface figure of the full intelligent controller of the utility model shielded electric pump.
Figure 12 is the Infrared Transmission circuit of the full intelligent controller of the utility model shielded electric pump.
Figure 13 is the RS485 communicating circuit of the full intelligent controller of the utility model shielded electric pump.
Figure 14 is the linear analysis figure of complete intelligent controller Abrasion prediction of the utility model shielded electric pump.
In figure: 1, the pump housing, 2, impeller, 3, stator, 4, rotor, 5, axle, 6, bearing, 7, terminal box, 8, pressure transducer, 9, axial wear sensor, 10, gauge wear sensor, 11, temperature sensor, 12, a full intelligent controller, 13, signal cable.
Embodiment
Complete intelligent controller principle of shielded electric pump of the present utility model as shown in Figure 1, core is central processing portion, it is undertaking the processing of all data and the realization of all functions, formed by central processing unit (CPU) and peripheral interlock circuit, central processing unit adopts ARM chip, as shown in Figure 4, collect signal shown by display section after processing by central processing unit, central processing unit carries out exchanges data and storage by RS485 communication and infrared data communication and outside, adopt IrDA Radio infrared Data Transport Protocol and monitor to carry out exchanges data, the data that read are kept in read write line, utilize USB interface or wireless WiFi that data are read in computer, as shown in Figure 2.
The peripheral interlock circuit of central processing unit (CPU) comprises radially phase sequence and lack detection circuit, RS485 communicating circuit, Infrared Transmission circuit and the power-switching circuit of testing circuit, axial testing circuit, display circuit, temperature sensing circuit, motor.
In the time that the bearing 6 of shielded electric pump axle 5 ends may wear to a certain degree, between axle 5 and bearing 6, produce gap, axle 5 can produce axial displacement, can obtain the wear extent of bearing by the displacement of axle, principle according to this, can be by being installed on the axial wear extent of axial wear sensor 9 monitoring bearings on the pump housing 1 rear end cap.Can be by monitoring bore of stator pressure at bore of stator place setting pressure sensor 8.
Monitor of the present utility model at the mounting structure on canned motor pump as shown in Figure 3, gauge wear sensor 10 is installed on shielded electric pump stator 3 coils and on the pump housing 1 rear end cap installation shaft to wear sensor 9, monitor 12 is installed on the pump housing 1 by terminal box 7, terminal box 7 bases and stator 3 UNICOMs, terminal box 7 bases are provided with pressure transducer 8, at shielded electric pump stator 3 winding overhang mounting temperature sensors 11, gauge wear sensor 10, axial wear sensor 9, pressure transducer 8 are connected monitor 12 with temperature sensor 11 by signal wire 13.
Bearing shaft is transported to axial testing circuit and radially testing circuit by output signal by A/D change-over circuit to wear sensor 9, bearing gauge wear sensor 10, temperature sensor 11, radially testing circuit as shown in Figure 7, axially testing circuit as shown in Figure 6, temperature sensing circuit as shown in Figure 8, the phase sequence of motor and lack detection circuit are as shown in Figure 9, display circuit as shown in figure 10, display circuit is made up of LED, display circuit is connected with central processing unit, display section adopts reliable LED luminophor to form, and feature is intuitive display, durable reliable; Can meet the industrial environment of-40 DEG C to+85 DEG C, the life-span reaches more than 20 years, the parameter that can show have bearing radially, the axial state of wearing and tearing, the running temperature of pump, the phase sequence of motor, whether phase shortage (which phase) instruction, display interface as shown in figure 11.Bearing radially, axially wear extent, the running temperature of pump and the phase sequence of motor and default phase signal, wherein first three road signal is analog signals, through A/D, conversion shields undesired signal by Signal Isolation Technology, digital filtering technique, make the signal gathering more accurately and reliably reflect the actual numerical value of measured parameter, for follow-up data processing, analyze and give security.Bearing is radially, axially the phase sequence status signal of running temperature, the motor of wearing and tearing, pump is through the numerical quantities corresponding with measured signal intensity that be processed into of CPU, and the amount of this numerical value converts the LED(light of respective color to) display effect shows.Central processing unit is by the statistics of the cumulative effect of the gauge wear signal detecting, axial wear signal, temperature signal, pressure signal logarithm value, calculate and approach actual numerical value, the upper and lower limit numerical value of this numerical value and setting compares, thereby realizes the arbitration functions to reporting to the police.
Central processing unit utilizes mathematics linear regression analysis (linear least-squares recurrence) to bearing radially, axially wear extent data are processed, thereby take out the linear equation of data, utilize linear equation to calculate the trend of data, calculate on this basis following wear extent of equipment, therefore realized the forecast function of failure of pump, as shown in figure 14.
Central processing unit carries out data transmission and exchange by RS485 communicating circuit (Modbus agreement) and outer computer, for storage or analyzing and processing, RS485 communicating circuit as shown in figure 13, carry out exchanges data by IrDA Radio infrared data transmission and read write line, Radio infrared data transmission circuit as shown in figure 12, the data that read are kept in read write line, utilize USB interface or wireless WiFi that data are read in computer, have realized the storage of data.
As shown in Figure 5, power-switching circuit connects central processing unit to power-switching circuit, adopts Switching Power Supply alternating current that motor is provided to become the DC supply of 5V.
Complete intelligent controller of shielded electric pump of the present utility model realized that axial wear monitoring warnings, bearing gauge wear monitoring, alarming, canned motor pump temperature of key part monitoring, alarming, the canned motor pump key position pressure monitoring of bearing are reported to the police, power phase changes or phase shortage monitoring, alarming, pump operation scene is unattended, the preservation of data long record is for future reference.It is according to the data of monitoring that the full intelligent controller of shielded electric pump also has an outstanding feature, uses mathematical regression algorithm, can effectively predict the fault of shielded electric pump, has avoided because the economic loss that disorderly closedown causes.What when the equipment that simultaneously can also dope needed keeps in repair, and is convenient to like this production system and carries out the maintenance of equipment and scientifically dispatch.Complete intelligent controller of shielded electric pump, except having the output function of online monitoring data of simulating signal, also has the transfer function that carries out data by network.
The utility model is described by embodiment, and those skilled in the art know, in the situation that not departing from spirit and scope of the present utility model, can carry out various changes or equivalence replacement to these features and embodiment.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material and can not depart from spirit and scope of the present utility model these features and embodiment.Therefore, the utility model is not subject to the restriction of specific embodiment disclosed herein, and the embodiment within the scope of all the application's of falling into claim belongs to protection domain of the present utility model.
Claims (8)
1. the full intelligent controller of shielded electric pump, it is characterized in that: comprise central processing unit, radially testing circuit and axial testing circuit, the gauge wear sensor (10) being installed on shielded electric pump stator (3) coil is connected radially testing circuit and axially testing circuit by output terminal by A/D change-over circuit with the axial wear sensor (9) being installed on the pump housing (1) rear end cap, and radially testing circuit is connected the central processing unit of central processing module with axial testing circuit.
2. the full intelligent controller of shielded electric pump according to claim 1, is characterized in that: also comprise display circuit, display circuit is made up of LED, and display circuit is connected with central processing unit.
3. the full intelligent controller of shielded electric pump according to claim 2, it is characterized in that: also comprise temperature sensing circuit, the output terminal that is installed on the temperature sensor (11) of shielded electric pump stator (3) winding overhang connects temperature sensing circuit by A/D change-over circuit, and temperature sensing circuit connects central processing unit.
4. the full intelligent controller of shielded electric pump according to claim 3, is characterized in that: also comprise phase sequence and the lack detection circuit of motor, phase sequence and lack detection circuit are connected with central processing unit.
5. the full intelligent controller of shielded electric pump according to claim 1, it is characterized in that: monitor (12) is installed on the pump housing (1) by terminal box (7), terminal box (7) base and stator (3) UNICOM, terminal box (7) base is provided with pressure transducer (8).
6. the full intelligent controller of shielded electric pump according to claim 5, is characterized in that: be also provided with RS485 communicating circuit, central processing unit is connected with outer computer by RS485 communicating circuit.
7. the full intelligent controller of shielded electric pump according to claim 6, is characterized in that: be also provided with Infrared Transmission circuit, central processing unit is connected with read write line by IrDA Radio infrared data transmission.
8. the full intelligent controller of shielded electric pump according to claim 5, is characterized in that: be also provided with power-switching circuit, power-switching circuit connects central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365999.5U CN203982119U (en) | 2014-07-04 | 2014-07-04 | The full intelligent controller of shielded electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365999.5U CN203982119U (en) | 2014-07-04 | 2014-07-04 | The full intelligent controller of shielded electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203982119U true CN203982119U (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420365999.5U Expired - Fee Related CN203982119U (en) | 2014-07-04 | 2014-07-04 | The full intelligent controller of shielded electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203982119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090512A (en) * | 2014-07-04 | 2014-10-08 | 大连帝国屏蔽电泵有限公司 | Shield electric pump all-item intelligent monitoring instrument |
-
2014
- 2014-07-04 CN CN201420365999.5U patent/CN203982119U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090512A (en) * | 2014-07-04 | 2014-10-08 | 大连帝国屏蔽电泵有限公司 | Shield electric pump all-item intelligent monitoring instrument |
| CN104090512B (en) * | 2014-07-04 | 2016-08-31 | 大连帝国屏蔽电泵有限公司 | Shielded electric pump full item intelligent controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |