CN105545720A - Detector for monitoring plunger pump packing leakage in real time - Google Patents
Detector for monitoring plunger pump packing leakage in real time Download PDFInfo
- Publication number
- CN105545720A CN105545720A CN201610060734.8A CN201610060734A CN105545720A CN 105545720 A CN105545720 A CN 105545720A CN 201610060734 A CN201610060734 A CN 201610060734A CN 105545720 A CN105545720 A CN 105545720A
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- China
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- unit
- detector
- piezoresistance
- circuit unit
- plunger 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.)
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Classifications
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- 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
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- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/002—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of inverted polarity or connection; with switching for obtaining correct connection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a detector for monitoring plunger pump packing leakage in real time. The detector comprises a system control center unit, an external power source protective circuit unit, a step-down chip unit, a hardware watchdog circuit unit, a sensor power supply control circuit unit, a water leakage monitoring sensor unit, an RS485 communication unit and an alarming unit. The detector has the beneficial effects that plunger pump leakage can be monitored in real time, and an alarm is provided in real time; meanwhile, pump stop linkage protection can be performed according to production requirements; and the external power source lightning protection function is achieved, and a plurality of sets of devices are allowed to work at the same time in a bus manner without generating data communication interference.
Description
Technical field
The invention belongs to the real-time monitoring system device field that leaks, especially relate to the detector that a kind of Real-Time Monitoring plunger pump packing leaks.
Background technique
Oil-field flooding is the major measure keeping formation pressure, reduce crude oil lapse rate, and plunger pump unit is the key equipment of field produces.Once break down, often cause the economic loss of tens thousand of unit or hundreds thousand of unit and serious social danger, when plunger pump packing because the reason such as aging is leaked, water can enter plunger pump fuel tank, causes machine oil to scrap and brings larger economic loss to oil field.
Summary of the invention
In view of this; the present invention is intended to the detector proposing the leakage of a kind of Real-Time Monitoring plunger pump packing; can the leakage of Real-Time Monitoring plunger pump; and provide warning in real time; simultaneously can according to need of production termination of pumping interlock protection; and there is ABAP Adapter lightning protection function, allow many groups equipment to be worked by bus mode simultaneously and data communication interference can not be produced.
For achieving the above object, technological scheme of the present invention is achieved in that
The detector that a kind of Real-Time Monitoring plunger pump packing leaks, comprise System Control Center unit, external power supply protection circuit unit, step-down chip unit, hardware watchdog circuit unit, sensor power control circuit unit, water leakage monitoring sensor unit, RS485 communication unit and alarm unit, external power supply accesses the input end of described external power supply protection circuit unit, the output terminal of described external power supply protection circuit unit is respectively for the described step-down chip unit of electrical connection and described sensor power control circuit unit, described step-down chip unit is powered respectively and is outputted to described hardware watchdog circuit unit, described System Control Center unit and described RS485 communication unit, the output terminal of described hardware watchdog circuit unit accesses described System Control Center unit, described RS485 communication unit and described alarm unit are connected with the conducting of described System Control Center unit two-way signaling respectively, the control signal of described System Control Center unit exports and connects described sensor power control circuit unit, described sensor power control circuit unit connects described water leakage monitoring sensor unit, the signal of described water leakage monitoring sensor unit exports and connects described System Control Center unit.
Further, described System Control Center unit is STM32F103VCT6 single-chip microcomputer and peripheral circuit.
Further, described external power supply protection circuit unit comprises common mode inductance L5, high-voltage capacitance C3, 3rd piezoresistance R3, first piezoresistance R1 and the 12 piezoresistance R12, first anti-thunder tube, second anti-thunder tube, 3rd anti-thunder tube, first self-recoverage insurance F1, π shape diode protection array and the tenth electric capacity C10, the input end of described external power supply accesses described common mode inductance L5, between the output terminal of described common mode inductance L5 successively and be connected to described high-voltage capacitance C3, the described first piezoresistance R1 of described 3rd piezoresistance R3 and serial connection and described 12 piezoresistance R12, described first anti-thunder tube is connected to the upper end of described first piezoresistance R1, described second anti-thunder tube is connected between described first piezoresistance R1 and described 12 piezoresistance R12, described 3rd anti-thunder tube is connected to the lower end of described 12 piezoresistance R12, described first piezoresistance R1 exports and connects described first self-recoverage insurance F1, described first self-recoverage insurance F1 exports and is connected to described π shape diode protection array.
Further, described π shape diode protection array comprises a π shape diode D1, the 4th π shape diode D4 and the 14 π shape diode D14, described 4th π shape diode D4 and described 14 π shape diode D14 in the same way and connect, a described π shape diode D1 is serially connected between described 4th π shape diode D4 and described 14 π shape diode D14, and the positive pole of a described π shape diode D1 connects the output terminal of described first self-recoverage insurance F1.
Further, described step-down chip unit is TPS5430 switching type power supply chip and peripheral circuit.
Further, described hardware watchdog circuit unit is SP706 WatchDog Timer and peripheral circuit.
Further, described sensor power control circuit unit comprises RC eliminator, voltage follower, first triode Q1, 3rd self-recoverage insurance F3, 18 transfer resistance R18, 21 transfer resistance R21 and signal detector, the control signal of described System Control Center unit exports described RC eliminator to, described voltage follower is accessed after the filtering of described RC eliminator, the collector electrode of the described first triode Q1 of output terminal access of described voltage follower, the base stage of described first triode Q1 is connected one end of described water leakage monitoring sensor unit with emitter circuit, the described 3rd self-recoverage insurance F3 of described water leakage monitoring sensor unit the other end access, the output terminal of described 3rd self-recoverage insurance F3 is serially connected with described 18 transfer resistance R18 and described 21 transfer resistance R21, the input end of described signal detector is connected between described 18 transfer resistance R18 and described 21 transfer resistance R21, the output terminal of described signal detector is connected to described System Control Center unit.
Further, described voltage follower comprises LM358 amplifier, and described signal detector comprises LM321D amplifier.
Further, described RS485 communication unit is MAX3485 chip and peripheral protective circuit.
Relative to prior art, the detector that Real-Time Monitoring plunger pump packing of the present invention leaks has following advantage:
System Control Center unit of the present invention is made up of STM32F103VCT6 single-chip microcomputer and peripheral circuit, control signal can be exported to sensor power control circuit unit, and the live signal that leaks that water leakage monitoring sensor unit monitors can be received, System Control Center unit can be analyzed the live signal that leaks and whether exceed setting threshold value, once find to exceed threshold value, can with RS485 communication unit communication, the instruction of stop plunger pump is sent by RS485 communication unit, send warning actuating signal to alarm unit simultaneously, realize the leakage of Real-Time Monitoring plunger pump, and provide warning in real time, simultaneously can according to the function of need of production termination of pumping interlock protection, allow many groups equipment to be worked by bus mode simultaneously and data communication interference can not be produced, and external power supply protection circuit unit can anti-lightning strike surge, there is ABAP Adapter lightning protection function.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the allomeric function structural representation described in the embodiment of the present invention;
Fig. 2 is the electrical block diagram of external power supply protection circuit unit of the present invention;
Fig. 3 is the electrical block diagram of step-down chip unit of the present invention;
Fig. 4 is the electrical block diagram of hardware watchdog circuit unit of the present invention;
Fig. 5 is the electrical block diagram of sensor power control circuit unit of the present invention;
Fig. 6 is the electrical block diagram of RS485 communication unit of the present invention.
Description of reference numerals:
1-System Control Center unit; 2-external power supply protection circuit unit; 21-first anti-thunder tube; 22-second anti-thunder tube; 23-the 3rd anti-thunder tube; 24-π shape diode protection array; 3-step-down chip unit; 31-TPS5430 switching type power supply chip; 4-hardware watchdog circuit unit; 41-SP706 WatchDog Timer; 5-sensor power control circuit unit; 51-RC eliminator; 52-voltage follower; 521-LM358 amplifier; 53-signal detector; 531-LM321D amplifier; 6-water leakage monitoring sensor unit; 7-RS485 communication unit; 71-MAX3485 chip; 8-alarm unit.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature being limited with " first ", " second " etc.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood by concrete condition.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, the invention provides the detector that a kind of Real-Time Monitoring plunger pump packing leaks, comprise System Control Center unit 1, external power supply protection circuit unit 2, step-down chip unit 3, hardware watchdog circuit unit 4, sensor power control circuit unit 5, water leakage monitoring sensor unit 6, RS485 communication unit 7 and alarm unit 8, external power supply accesses the input end of described external power supply protection circuit unit 2, the output terminal of described external power supply protection circuit unit 2 is respectively for the described step-down chip unit 3 of electrical connection and described sensor power control circuit unit 5, described step-down chip unit 3 is powered respectively and is outputted to described hardware watchdog circuit unit 4, described System Control Center unit 1 and described RS485 communication unit 7, the output terminal of described hardware watchdog circuit unit 4 accesses described System Control Center unit 1, described RS485 communication unit 7 and described alarm unit 8 are connected with the conducting of described System Control Center unit 1 two-way signaling respectively, the control signal of described System Control Center unit 1 exports and connects described sensor power control circuit unit 5, described sensor power control circuit unit 5 connects described water leakage monitoring sensor unit 6, the signal of described water leakage monitoring sensor unit 6 exports and connects described System Control Center unit 1.
Described System Control Center unit 1 is STM32F103VCT6 single-chip microcomputer and peripheral circuit, 32 ARM microcontroller that STM32F1 series belongs to, its kernel is Cortex-M3, the highest 72MHz frequency of okperation, integrated chip timer, has RTC, CAN, ADC, DAC, SPI, I2C, USB and UART multiple interfaces function.The RS485 communication unit 7 of the present embodiment is connected with the UART interface of STM32F103VCT6 single-chip microcomputer, for communication function; The RTC interface of STM32F103VCT6 single-chip microcomputer is real-time clock, for recording warning time of origin; DAC interface is used for providing adjustable voltage for sensor power control circuit unit 5; ADC interface is for detecting the output signal of water leakage monitoring sensor unit 6; I/O interface is used for the digit chip signal transacting of control relay, LED, hardware watchdog circuit unit 4.
As shown in Figure 2, described external power supply protection circuit unit 2 comprises common mode inductance L5, high-voltage capacitance C3, 3rd piezoresistance R3, first piezoresistance R1 and the 12 piezoresistance R12, first anti-thunder tube 21, second anti-thunder tube 22, 3rd anti-thunder tube 23, first self-recoverage insurance F1, π shape diode protection array 24 and the tenth electric capacity C10, the input end of described external power supply accesses described common mode inductance L5, between the output terminal of described common mode inductance L5 successively and be connected to described high-voltage capacitance C3, the described first piezoresistance R1 of described 3rd piezoresistance R3 and serial connection and described 12 piezoresistance R12, described first anti-thunder tube 21 is connected to the upper end of described first piezoresistance R1, described second anti-thunder tube 22 is connected between described first piezoresistance R1 and described 12 piezoresistance R12, described 3rd anti-thunder tube 23 is connected to the lower end of described 12 piezoresistance R12, described first piezoresistance R1 exports and connects described first self-recoverage insurance F1, described first self-recoverage insurance F1 exports and is connected to described π shape diode protection array 24.The external power supply of the present embodiment is 24V, through common mode inductance L5 filtering part common mode interference signal, high-voltage capacitance C3 filters strong voltage waves AC, first anti-thunder tube 21, second anti-thunder tube 22 and the 3rd anti-thunder tube 23 can bear differential mode and the common mode disturbances of big current, 3rd piezoresistance R3, first piezoresistance R1 and the 12 piezoresistance R12 is just being responsible for filtering, DM EMI signal on negative power line, π shape diode protection array 24 is sent into via the first self-recoverage insurance F1, π shape diode protection array 24 plays anti-reverse power connection, supply voltage is too high, remove the function of DM EMI, it is the last guarantee of whole plate power supply.
Described π shape diode protection array 24 comprises a π shape diode D1, the 4th π shape diode D4 and the 14 π shape diode D14, described 4th π shape diode D4 and described 14 π shape diode D14 in the same way and connect, a described π shape diode D1 is serially connected between described 4th π shape diode D4 and described 14 π shape diode D14, and the positive pole of a described π shape diode D1 connects the output terminal of described first self-recoverage insurance F1.
As shown in Figure 3, described step-down chip unit 3 is TPS5430 switching type power supply chip 31 and peripheral circuit, TPS5430 switching type power supply chip 31 exports 3V voltage, and output voltage is described hardware watchdog circuit unit 4, described System Control Center unit 1 and described RS485 communication unit 7 are powered.
As shown in Figure 4, described hardware watchdog circuit unit 4 is SP706 WatchDog Timer 41 and peripheral circuit, SP706 WatchDog Timer 41 comprises a WatchDog Timer, a uP reseting module, a failed comparator of power supply, and a hand reset load module, it is independently WatchDog Timer, spilling cycle 1.6s, built-in Vcc disturbs suppress current, is applicable to 3.3V environment.
As shown in Figure 5, described sensor power control circuit unit 5 comprises RC eliminator 51, voltage follower 52, first triode Q1, 3rd self-recoverage insurance F3, 18 transfer resistance R18, 21 transfer resistance R21 and signal detector 53, the control signal of described System Control Center unit 1 exports described RC eliminator 51 to, described voltage follower 52 is accessed after the filtering of described RC eliminator 51, the collector electrode of the described first triode Q1 of output terminal access of described voltage follower 52, the base stage of described first triode Q1 is connected one end of described water leakage monitoring sensor unit 6 with emitter circuit, the described 3rd self-recoverage insurance F3 of described water leakage monitoring sensor unit 6 the other end access, the output terminal of described 3rd self-recoverage insurance F3 is serially connected with described 18 transfer resistance R18 and described 21 transfer resistance R21, the input end of described signal detector 53 is connected between described 18 transfer resistance R18 and described 21 transfer resistance R21, the output terminal of described signal detector 53 is connected to described System Control Center unit 1.By the DAC interface output voltage of STM32F103VCT6 single-chip microcomputer, LM358 amplifier 521 makees voltage follower 52, play the effect increasing driving current, first triode Q1 plays on-off action, for water leakage monitoring sensor unit 6 power supply control, 3rd self-recoverage insurance F3 is that 30mA can recover self-protective, protection water leakage monitoring sensor unit 6, 18 transfer resistance R18 and the 21 transfer resistance R21 can convert the current signal of water leakage monitoring sensor unit 6 to voltage signal, LM321D amplifier 531 makees signal detector 53, for detecting the signal that water leakage monitoring sensor unit 6 exports, and pass to the ADC interface of STM32F103VCT6 single-chip microcomputer.
As shown in Figure 6, described RS485 communication unit 7 is MAX3485 chip 71 and peripheral protective circuit.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the detector of a Real-Time Monitoring plunger pump packing leakage, it is characterized in that: comprise System Control Center unit, external power supply protection circuit unit, step-down chip unit, hardware watchdog circuit unit, sensor power control circuit unit, water leakage monitoring sensor unit, RS485 communication unit and alarm unit, external power supply accesses the input end of described external power supply protection circuit unit, the output terminal of described external power supply protection circuit unit is respectively for the described step-down chip unit of electrical connection and described sensor power control circuit unit, described step-down chip unit is powered respectively and is outputted to described hardware watchdog circuit unit, described System Control Center unit and described RS485 communication unit, the output terminal of described hardware watchdog circuit unit accesses described System Control Center unit, described RS485 communication unit and described alarm unit are connected with the conducting of described System Control Center unit two-way signaling respectively, the control signal of described System Control Center unit exports and connects described sensor power control circuit unit, described sensor power control circuit unit connects described water leakage monitoring sensor unit, the signal of described water leakage monitoring sensor unit exports and connects described System Control Center unit.
2. the detector of Real-Time Monitoring plunger pump packing leakage according to claim 1, is characterized in that: described System Control Center unit is STM32F103VCT6 single-chip microcomputer and peripheral circuit.
3. the detector of Real-Time Monitoring plunger pump packing leakage according to claim 1, it is characterized in that: described external power supply protection circuit unit comprises common mode inductance (L5), high-voltage capacitance (C3), 3rd piezoresistance (R3), first piezoresistance (R1) and the 12 piezoresistance (R12), first anti-thunder tube, second anti-thunder tube, 3rd anti-thunder tube, first self-recoverage insurance (F1), π shape diode protection array and the tenth electric capacity (C10), the input end of described external power supply accesses described common mode inductance (L5), between the output terminal of described common mode inductance (L5) successively and be connected to described high-voltage capacitance (C3), described first piezoresistance (R1) of described 3rd piezoresistance (R3) and serial connection and described 12 piezoresistance (R12), described first anti-thunder tube is connected to the upper end of described first piezoresistance (R1), described second anti-thunder tube is connected between described first piezoresistance (R1) and described 12 piezoresistance (R12), described 3rd anti-thunder tube is connected to the lower end of described 12 piezoresistance (R12), the output of described first piezoresistance (R1) connects described first self-recoverage insurance (F1), described first self-recoverage insurance (F1) exports and is connected to described π shape diode protection array.
4. the detector of Real-Time Monitoring plunger pump packing leakage according to claim 3, it is characterized in that: described π shape diode protection array comprises a π shape diode (D1), 4th π shape diode (D4) and the 14 π shape diode (D14), described 4th π shape diode (D4) and described 14 π shape diode (D14) are in the same way and connect, a described π shape diode (D1) is serially connected between described 4th π shape diode (D4) and described 14 π shape diode (D14), the positive pole of a described π shape diode (D1) connects the output terminal of described first self-recoverage insurance (F1).
5. the detector of Real-Time Monitoring plunger pump packing leakage according to claim 1, is characterized in that: described step-down chip unit is TPS5430 switching type power supply chip and peripheral circuit.
6. the detector of Real-Time Monitoring plunger pump packing leakage according to claim 1, is characterized in that: described hardware watchdog circuit unit is SP706 WatchDog Timer and peripheral circuit.
7. the detector of Real-Time Monitoring plunger pump packing leakage according to claim 1, it is characterized in that: described sensor power control circuit unit comprises RC eliminator, voltage follower, first triode (Q1), 3rd self-recoverage insurance (F3), 18 transfer resistance (R18), 21 transfer resistance (R21) and signal detector, the control signal of described System Control Center unit exports described RC eliminator to, described voltage follower is accessed after the filtering of described RC eliminator, the collector electrode of described first triode (Q1) of output terminal access of described voltage follower, the base stage of described first triode (Q1) is connected one end of described water leakage monitoring sensor unit with emitter circuit, described 3rd self-recoverage insurance (F3) of described water leakage monitoring sensor unit the other end access, the output terminal of described 3rd self-recoverage insurance (F3) is serially connected with described 18 transfer resistance (R18) and described 21 transfer resistance (R21), the input end of described signal detector is connected between described 18 transfer resistance (R18) and described 21 transfer resistance (R21), the output terminal of described signal detector is connected to described System Control Center unit.
8. the detector of Real-Time Monitoring plunger pump packing leakage according to claim 7, it is characterized in that: described voltage follower comprises LM358 amplifier, described signal detector comprises LM321D amplifier.
9. the detector of Real-Time Monitoring plunger pump packing leakage according to claim 1, is characterized in that: described RS485 communication unit is MAX3485 chip and peripheral protective circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060734.8A CN105545720B (en) | 2016-01-28 | 2016-01-28 | A kind of detector of real-time monitoring plunger pump packing leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060734.8A CN105545720B (en) | 2016-01-28 | 2016-01-28 | A kind of detector of real-time monitoring plunger pump packing leakage |
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| Publication Number | Publication Date |
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| CN105545720A true CN105545720A (en) | 2016-05-04 |
| CN105545720B CN105545720B (en) | 2019-01-01 |
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| CN201610060734.8A Active CN105545720B (en) | 2016-01-28 | 2016-01-28 | A kind of detector of real-time monitoring plunger pump packing leakage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523342A (en) * | 2016-12-30 | 2017-03-22 | 天津仪控科技有限公司 | High-pressure plunger pump interlock protection control method and system based on PID adjustment |
| CN112324646A (en) * | 2019-08-05 | 2021-02-05 | 中国石油天然气股份有限公司 | Plunger pump device |
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| CN203051069U (en) * | 2012-08-03 | 2013-07-10 | 深圳市宏银拾科技有限公司 | Water pump controller |
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| CN205370945U (en) * | 2016-01-28 | 2016-07-06 | 天津仪控科技有限公司 | Detector that real -time supervision plunger pump packing leaked |
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| US4444545A (en) * | 1982-04-08 | 1984-04-24 | Sanders David F | Pump control system |
| CN101895109A (en) * | 2009-05-22 | 2010-11-24 | 触动多媒体技术（上海）有限公司 | Power system of vehicular interaction device |
| CN203051069U (en) * | 2012-08-03 | 2013-07-10 | 深圳市宏银拾科技有限公司 | Water pump controller |
| CN202954953U (en) * | 2012-12-20 | 2013-05-29 | 湖南凯利特泵业有限公司 | Submersible pump control circuit with automatic protection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106523342A (en) * | 2016-12-30 | 2017-03-22 | 天津仪控科技有限公司 | High-pressure plunger pump interlock protection control method and system based on PID adjustment |
| CN112324646A (en) * | 2019-08-05 | 2021-02-05 | 中国石油天然气股份有限公司 | Plunger pump device |
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| Publication number | Publication date |
|---|---|
| CN105545720B (en) | 2019-01-01 |
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