CN203730347U - Automatic control system for protecting submerged pump - Google Patents
Automatic control system for protecting submerged pump Download PDFInfo
- Publication number
- CN203730347U CN203730347U CN201320892071.8U CN201320892071U CN203730347U CN 203730347 U CN203730347 U CN 203730347U CN 201320892071 U CN201320892071 U CN 201320892071U CN 203730347 U CN203730347 U CN 203730347U
- Authority
- CN
- China
- Prior art keywords
- flowmeter
- submerged pump
- plc system
- motor
- automatic control
- 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 - Lifetime
Links
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000003412 degenerative effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000002386 leaching Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000005065 mining Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000013481 data capture Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Abstract
The utility model belongs to the field of automatic control for a submerged pump, in particular to a control system suitable for in-situ leaching mining production for prolonging the service life of the submerged pump. The automatic control system for protecting the submerged pump comprises a computer, a PLC system, a transducer, a submerged pump motor and a flowmeter. The computer is connected with the PLC system, each parameter signal of the transducer is assessed into the PLC system through a CP341 communication module based on a RS485 communication protocol, the transducer is connected with the submerged pump motor, the submerged pump motor is connected with the flowmeter, and signals measured by the flowmeter are fed back to the PLC system connected with the flowmeter so as to enable the flowmeter, the transducer and the PLC system to make up a closed loop control loop. By means of the automatic control system for protecting the submerged pump, the service life of each of the motor and the pump is further prolonged; the equipment maintenance rate is lowered, and accordingly the production efficiency is improved; the average cost of single ports is greatly lowered, and the economical benefit is considerable.
Description
Technical field
The utility model belongs to submersible pump automation field, is specifically related to one and soaks in the production of mine with being applicable to, extends the submersible pump control system in working life.
Background technique
Submersible pump soaks the main production equipments in the production run of mine with being, in process of production because the phenomenon that motor for submerged pump frequently burns often appears in many reasons, in regular period, cause huge economic loss to enterprise, badly influenced ground and soak the normal production in mine.For the control technique of motor for submerged pump protection, the controlling method of temporary this type of manufacturing mechanism of non-processor before cut-off research and development.
Summary of the invention
The purpose of this utility model is: provides one to enhance productivity, alleviates workman's labor intensity, extend the working life of motor for submerged pump, and then the effective controlling method to motor for submerged pump saving production cost.
The technical solution of the utility model is as follows: a kind of submersible pump protection automatic control system, comprises computer, PLC system, frequency variator, motor for submerged pump, flowmeter.Described computer is connected with PLC system, the each parameter signal of described frequency variator accesses PLC system with RS485 communication protocol through CP341 communication module, frequency variator is connected with motor for submerged pump, motor for submerged pump is connected with flowmeter, and the signal feed back of flow measurement is given in the PLC system being connected with flowmeter, make flowmeter, frequency variator and PLC system form close loop control circuit.
The flow of described PLC system acquisition flowmeter, and realize the control to submersible pump by the mean value of flow value; The control signal of flow value signal and frequency variator in the hole that described flowmeter reflects, forms degenerative control relation.
Remarkable result of the present utility model is: further extended the working life of motor, pump.In reducing device maintenance rate, and then improved manufacturing efficiency, single hole average cost is reduced greatly, the economic benefit of realization is considerable.
Brief description of the drawings
Fig. 1 is submersible pump automatic control system schematic diagram of the present utility model
Fig. 2 is motor for submerged pump Current Control flow chart of the present utility model
Fig. 3 is submersible pump flow average control flow chart of the present utility model
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Control target of the present utility model is
(1) the larger situation of flowed fluctuation, need stop the pump housing under frequency variator and control thereof, makes in a period of time, and the drawdown that leachate forms while filling up drawing liquid body is poor, restarts subsequently frequency variator, recovers submersible pump operation, forms the mode to the interrupted extraction of leaching solution.
(2) submersible pump is in running, and the mechanical failure of generation, can cause that load current raises, and now control system should be protected submersible pump immediately.
(3) for submersible pump is resumed operation in time, avoid the infringement that submersible pump caused due to frequent starting frequency variator, need be the in the situation that of not termination of pumping, the water yield of single hole and the pumping load of pump reach a state of equilibrium.
Submersible pump protection automatic control system comprises computer, PLC system, frequency variator, motor for submerged pump, flowmeter, PLC system adopts Programmable Logic Controller Control System to the feedback data information of computer, and flow meter signal (4～20mA) is through isolation module access analog input module; The each parameter signal of frequency variator is communicated by letter through RS485, is connected with communication module.By SC agreement and PLC system communication; Flowmeter is realized by language and the computer configuration program of Programmable respectively the feedback data information programme of PLC system computer, frequency variator PLC system, PLC system; Finally, flowmeter, the frequency variator that connects motor for submerged pump and PLC form close loop control circuit.Its basic hardware composition schematic diagram, as Fig. 1
Utilize the equipment such as PLC automatic control system, electromagnetic flowmeter, detect the water yield of down-hole leaching solution single hole, the flux signal of feedback and then the controlled conditions as adjusting frequency variator.According to the water yield characteristic of single hole, control effective operation of current of electric, form close loop control circuit.The control flow chart of its electric current, as Fig. 2
The control signal of flow value signal and frequency variator in the hole that electromagnetic flowmeter reflects, forms degenerative control relation.
After frequency variator starts, after a period of time (as 15 minutes, can set), the flow situation in hole is basicly stable.Thereupon, the mean value in after this period of time (as 10 minutes, also can set) of system acquisition is given controlled variable; Gather an instantaneous flow value every 10 seconds, gives respectively U
1, U
2, U
3, U
4, U
5... U
n, then to this n value averaged A,
Sn=U
1+U
2+U
3+U
4+……+U
n....................................(1)
Mean value:
In formula: A: mean value;
U
n: instantaneous flow;
N: data capture number of times accumulative total in the unit time.
Wherein: U
1, U
2, U
3, U
4, U
5, U
nfor the flow value of the collection at interval of 10 seconds; S
nit is the summation of 10 minutes flow values; Parameter in formula and variable, can, according to the concrete technology reality of producing, carry out appropriate adjustment.
Mean value A reflects the average pumping load of this hole within this period (10 minutes), as a given flow, utilizes PID regulating method, controls frequency variator and makes it carry out dynamic following to this flow value; After in time of operation, can automatically detect the mean flowrate in this hole at interval of hour system, make it again as setting value, use identical controlling method control frequency converter frequency, its flow is followed, so circulation comes and goes, control flow chart, as Fig. 3.
Claims (2)
1. a submersible pump protection automatic control system; it is characterized in that: comprise computer, PLC system, frequency variator, motor for submerged pump, flowmeter; described computer is connected with PLC system; the each parameter signal of described frequency variator accesses PLC system with RS485 communication protocol through CP341 communication module; frequency variator is connected with motor for submerged pump; motor for submerged pump is connected with flowmeter; and the signal feed back of flow measurement is given in the PLC system being connected with flowmeter, make flowmeter, frequency variator and PLC system form close loop control circuit.
2. a kind of submersible pump protection automatic control system according to claim 1, is characterized in that: the flow of described PLC system acquisition flowmeter, and realize the control to submersible pump by the mean value of flow value; The control signal of flow value signal and frequency variator in the hole that described flowmeter reflects, forms degenerative control relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892071.8U CN203730347U (en) | 2013-12-31 | 2013-12-31 | Automatic control system for protecting submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892071.8U CN203730347U (en) | 2013-12-31 | 2013-12-31 | Automatic control system for protecting submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730347U true CN203730347U (en) | 2014-07-23 |
Family
ID=51200425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320892071.8U Expired - Lifetime CN203730347U (en) | 2013-12-31 | 2013-12-31 | Automatic control system for protecting submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730347U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194683A (en) * | 2016-07-12 | 2016-12-07 | 核工业北京化工冶金研究院 | A kind of immersible pump dynamic flow intelligence control system and method |
| WO2017208051A1 (en) * | 2016-05-29 | 2017-12-07 | Aplisens S.A. | Method for diagnosing technical condition of submersible pump unit |
| CN114035424A (en) * | 2021-10-19 | 2022-02-11 | 四川省地质工程勘察院集团有限公司 | Hydrogeological test automatic control system and control method |
| US11339777B2 (en) | 2016-09-12 | 2022-05-24 | Fluid Handling Llc | Automatic self-driving pumps |
-
2013
- 2013-12-31 CN CN201320892071.8U patent/CN203730347U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017208051A1 (en) * | 2016-05-29 | 2017-12-07 | Aplisens S.A. | Method for diagnosing technical condition of submersible pump unit |
| CN106194683A (en) * | 2016-07-12 | 2016-12-07 | 核工业北京化工冶金研究院 | A kind of immersible pump dynamic flow intelligence control system and method |
| US11339777B2 (en) | 2016-09-12 | 2022-05-24 | Fluid Handling Llc | Automatic self-driving pumps |
| CN114035424A (en) * | 2021-10-19 | 2022-02-11 | 四川省地质工程勘察院集团有限公司 | Hydrogeological test automatic control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |