CN203822602U - Reciprocation pump unit efficiency detection system - Google Patents
Reciprocation pump unit efficiency detection system Download PDFInfo
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- CN203822602U CN203822602U CN201420114517.9U CN201420114517U CN203822602U CN 203822602 U CN203822602 U CN 203822602U CN 201420114517 U CN201420114517 U CN 201420114517U CN 203822602 U CN203822602 U CN 203822602U
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Abstract
The utility model relates to a reciprocation pump unit efficiency detection system. The reciprocation pump unit efficiency detection system comprises a pressure transmitter, a flow transmitter, a displacement sensor, a current limiter, a filter, a three-phase electric power transmitter, a current/voltage converter, a multiway switch, an AD (Analog to Digital) module and a controller, wherein the pressure transmitter and the flow transmitter are connected to the filter, the displacement sensor is connected to the current/voltage converter, the current limiter is connected to the three-phase electric power transmitter, the displacement sensor, the filter and the three-phase electric power transmitter are connected to the current/voltage converter connected to the multiway switch, the multiway switch is connected to the AD module for performing analog to digital conversion on a certain path of signal sent from the multiway switch, and the AD module is connected to the controller. Therefore, the reciprocation pump unit efficiency detection system adopts a modular structure design, the workload of detecting personnel is greatly reduced, and the problems of poor efficiency and precision and low sensitivity of reciprocation pump measurement due to manual measuring in the prior art are better solved.
Description
Technical field
The utility model belongs to reciprocating pump detection technique field, relates in particular to a kind of reciprocating pump pump group efficiency detecting system.
Background technique
At present, reciprocating pump is to develop one of dynamic power machine early, is still applying widely so far in industrial and agricultural production.At the brill of petroleum industry, adopt, have a large amount of reciprocating pumps to use in the main production process such as refining and oil transportation, for example rig pump, is exactly one of key equipment of drilling process.But how to analyze and to improve reciprocating pump pump efficiency, always one receive much attention between topic.The method that uses traditional mechanical work indicator or adopt manual measurement to calculate has certain defect at aspects such as its precision, sensitivity or timeliness.For this reason, need a kind of reciprocating pump pump group efficiency detecting system efficiently of research and development badly.
Model utility content
The utility model provides a kind of simple in structure, easy to install, reciprocating pump pump group efficiency detecting system of increasing work efficiency for solving existing manual measurement metering reciprocating pump accuracy and efficiency problem problem poor, that sensitivity is low.
The technological scheme that the utility model is taked for the technical problem existing in solution known technology is:
A kind of reciprocating pump pump group efficiency detecting system, this reciprocating pump pump group efficiency detecting system comprises: pressure transmitter, flow transmitter, displacement transducer, restrictor, wave filter, three phase electric power transmitter, current/voltage converter, variable connector;
Pressure transmitter is connected wave filter with flow transmitter, displacement transducer connects current/voltage converter, restrictor connects three phase electric power transmitter, and displacement transducer, wave filter and three phase electric power transmitter are connected current/voltage converter, and current/voltage converter connects variable connector.Variable connector connection is carried out the AD module of analog amount to digital quantity conversion for variable connector being sent here to Mou road signal, and AD module connects controller.
Further, described reciprocating pump pump group efficiency detecting system is also provided with AD module, controller; Variable connector connection is carried out the AD module of analog amount to digital quantity conversion for variable connector being sent here to Mou road signal, and AD module connects controller.
Advantage and the good effect that the utlity model has are: because the utility model adopts Modular Structure Design, application sensors technology and computer technology combine, greatly reduce inspector's work load, not only for the means easily and effectively that provide are provided for analysis and research and the pump internal fault of reciprocating pump group pump efficiency, while has also realized energy-efficient, and the reciprocating pump automatic regulating system taking frequency control of motor speed as means provides condition.Of the present utility model simple in structure, easy to operate, preferably resolve the problem problem that existing manual measurement metering reciprocating pump accuracy and efficiency is poor, sensitivity is low.
Brief description of the drawings
Fig. 1 is the structural representation of the reciprocating pump pump group efficiency detecting system that provides of the utility model embodiment;
In figure: 1, pressure transmitter; 2, flow transmitter; 3, displacement transducer; 4, restrictor; 5, wave filter; 6, three phase electric power transmitter; 7, current/voltage converter; 8, variable connector; 9, AD module; 10, controller.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows: the utility model software module used all belongs to known module, in the time buying hardware module, this software module has been installed.There is not the innovation of software or method in the utility model.
Refer to Fig. 1:
As shown in Figure 1, the utility model embodiment's reciprocating pump pump group efficiency detecting system is mainly made up of pressure transmitter 1, flow transmitter 2, displacement transducer 3, restrictor 4, wave filter 5, three phase electric power transmitter 6, current/voltage converter 7, variable connector 8, AD module 9, controller 10;
Pressure transmitter 1 is connected wave filter 5 with flow transmitter 2, displacement transducer 3 connects current/voltage converter 7, restrictor 4 connects three phase electric power transmitter 6, displacement transducer 3, wave filter 5 and three phase electric power transmitter 6 are connected current/voltage converter 7, current/voltage converter 7 connects variable connector 8, variable connector 8 connections are carried out the AD module 9 of analog amount to digital quantity conversion for variable connector being sent here to Mou road signal, and AD module 9 connects controller 10.
Pressure transmitter 1 is connected with wave filter 5, for detection of reciprocating pump head pressure, the force value of measurement is converted to 4mA～20mA electrical signal, and testing signal is delivered to connected wave filter 5 and carry out filtering processing.
Flow transmitter 2 is connected with wave filter 5, for detection of the instantaneous discharge flow rate of reciprocating pump, the flow value of measurement is converted to 4mA～20mA electrical signal, and testing signal is delivered to connected wave filter 5 and carry out filtering processing.
Wave filter 5 is connected with pressure transmitter 1 and flow transmitter 2, also be connected with current/voltage converter 7, because head pressure and the instantaneous flow High-frequency Interference of pump are larger, therefore the electrical signal of pressure transmitter and flow transmitter conversion must be carried out to High frequency filter, and filtered signal be delivered to current/voltage converter 7 and carried out 4mA～20mA standard current signal to be converted to 0～5V voltage of AD module scope.
Displacement transducer 3 is connected with current/voltage converter 7, for detection of the displaced position of sucker rod, the shift value of measurement is converted to 4mA～20mA electrical signal, then delivers to connected current/voltage converter 4mA～20mA standard current signal is converted to 0～5V voltage of AD module scope.
Restrictor 4 is connected with three phase electric power transmitter 6, for reciprocating pump is carried out to current-limiting protection, and circuit is delivered to connected three phase electric power transmitter; Three phase electric power transmitter is connected with current/voltage converter, for detection of the three phase electric power of reciprocating pump.
Current/voltage converter 7 is connected with wave filter 5, also with displacement transducer 3, three phase electric power transmitter 6 and variable connector 8 connect, by filtered wave filter 5 pump discharge head and instantaneous flow 4mA～20mA electrical signal, 4mA～20mA electrical signal of displacement 4mA～20mA electrical signal and three phase electric power is converted to the required 0V～5V voltage signal of AD module, and the 0V～5V voltage signal after conversion is delivered to connected variable connector, the plurality of voltages signal of coming in is carried out multi channel selecting by variable connector 8, i.e. gating multiple signals Zhong mono-tunnel as required, Bing Jiangci road voltage signal is delivered to the AD module 9 being connected with variable connector.
AD module 9 is connected with variable connector 8, is also connected with controller 10, sends variable connector here Mou road signal and carries out the conversion of analog amount to digital quantity, and the digital signal after conversion is delivered to connected controller.
Controller 10 is connected with AD module 9, receive the digital signal after 9 conversions of AD module and carry out analysing and processing, according to four parameters that gather: the head pressure of piston rod displaced position, pump, the instantaneous discharge flow rate of pump and the electric power of motor, and according to the formula of pump efficiency, just can calculate fast the efficiency of pump and efficiency-time graph etc.
Working principle of the present utility model: the utility model at least should have 4 to measure input parameter, that is: piston rod displaced position, the head pressure of pump, the instantaneous discharge flow rate of pump and the electric power of motor, the measuring range of the each parameter of system is determined by concrete pump group performance parameter, be respectively: flow 0L/s～5L/s, pressure 0MPa～3MPa, displacement 0mm～100mm, electric power 0KW～40KW, structure as shown in Figure 1, by corresponding instrumentation, 4 required parameters are converted to respectively after electric weight, the wherein larger pressure of High-frequency Interference, flux signal device filtering after filtering, by 50 weeks power frequency interference attenuation, because pump speed is in 100 times/min left and right, so filtering can not affect the phase relationship between measured value, the function of current/voltage-converted circuit and amplification circuit is except current/voltage-converted and voltage amplification, there is level translation functions simultaneously, like this can be by the adjusting of gain amplifier and zero-level in the time that system is used III type table, by the required unified 0V～5VDC level of 4mA～20mA standard signal conversion cost model utility AD module, AD module section is mainly by forming centered by multicircuit switch and 12 mould/number conversion chips and being the passage that some has been reserved in the expansion of system, digital quantity after conversion is sent into controller by LPT, because measured parameter is all unipolar signal, so the form of the digital quantity of input control device is simple binary coding.
Controller of the present invention, according to the piston rod displaced position, the head pressure of pump, the instantaneous discharge flow rate of pump and the electric power of motor that gather, and according to the formula of pump efficiency, calculates efficiency and the efficiency-time graph of pump.
The power of the instantaneous flow/motor of efficiency=delivery side of pump pressure * pump of pump
Wherein: delivery side of pump pressure and instantaneous flow are to obtain with the instrument measurement that is arranged on pump discharge place, and the power of motor is can obtain by the voltage of motor and electric current product.
The above is only to preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, every foundation technical spirit of the present utility model is to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (1)
1. a reciprocating pump pump group efficiency detecting system, it is characterized in that, this reciprocating pump pump group efficiency detecting system comprises: pressure transmitter, flow transmitter, displacement transducer, restrictor, wave filter, three phase electric power transmitter, current/voltage converter, variable connector;
Pressure transmitter is connected wave filter with flow transmitter, displacement transducer connects current/voltage converter, restrictor connects three phase electric power transmitter, displacement transducer, wave filter and three phase electric power transmitter are connected current/voltage converter, current/voltage converter connects variable connector, variable connector connection is carried out the AD module of analog amount to digital quantity conversion for variable connector being sent here to Mou road signal, and AD module connects controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420114517.9U CN203822602U (en) | 2014-03-13 | 2014-03-13 | Reciprocation pump unit efficiency detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420114517.9U CN203822602U (en) | 2014-03-13 | 2014-03-13 | Reciprocation pump unit efficiency detection system |
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| Publication Number | Publication Date |
|---|---|
| CN203822602U true CN203822602U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420114517.9U Expired - Fee Related CN203822602U (en) | 2014-03-13 | 2014-03-13 | Reciprocation pump unit efficiency detection system |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763627A (en) * | 2015-04-24 | 2015-07-08 | 成都汇智控水科技有限公司 | Water pump energy efficiency detection system |
| CN104879296A (en) * | 2015-06-10 | 2015-09-02 | 天津联维乙烯工程有限公司 | Monitoring system for reciprocating compressor |
| CN107289862A (en) * | 2017-08-16 | 2017-10-24 | 中国石油集团川庆钻探工程有限公司 | Method for monitoring centering state of crosshead of reciprocating pump |
-
2014
- 2014-03-13 CN CN201420114517.9U patent/CN203822602U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763627A (en) * | 2015-04-24 | 2015-07-08 | 成都汇智控水科技有限公司 | Water pump energy efficiency detection system |
| CN104763627B (en) * | 2015-04-24 | 2016-10-05 | 成都汇智控水科技有限公司 | A kind of water pump energy efficiency detection system |
| CN104879296A (en) * | 2015-06-10 | 2015-09-02 | 天津联维乙烯工程有限公司 | Monitoring system for reciprocating compressor |
| CN107289862A (en) * | 2017-08-16 | 2017-10-24 | 中国石油集团川庆钻探工程有限公司 | Method for monitoring centering state of crosshead of reciprocating pump |
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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: 20140910 Termination date: 20150313 |
|
| EXPY | Termination of patent right or utility model |