CN2580451Y

CN2580451Y - Current patrol detector

Info

Publication number: CN2580451Y
Application number: CN 02281850
Authority: CN
Inventors: 付俊刚; 王淑朋
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-10-22
Filing date: 2002-10-22
Publication date: 2003-10-15
Anticipated expiration: 2012-10-22

Abstract

The utility model discloses a current patrol detector of an oil sucking machine, which comprises a portable machine case, a panel, a power, a signal input interface, a data output interface, a charging interface and a mainframe, wherein the mainframe finishes and transmits a signal collected by a current sensor to a microprocessor, and the signal is recorded in a memory after processed by soft hardware in the current patrol detector and is transmitted as required. The current patrol detector has the advantages of portability, accurate test, economy and practicality. The utility model is a tool for detecting the working condition of the oil sucking pumping well in the oil field production.

Description

The electric current logging

The utility model belongs to the rod-pumped well testing tool in the field production management, when relating in particular to the motor load variation, and the time dependent dynamic current patrol instrument of current of electric.

At present, the current detecting instrument, the power instrument that in scene, China oil field, use, though also can finish the task of diagnostic analysis rod-pumped well operating mode, because also there are some defectives like this in the components and parts of selecting and the limitation of structural design: complex structure, carry and inconvenient operation; Operating personnel's technical quality is required high; Sense cycle is long, can not in time find the fault well; The manufacturing cost height is unfavorable in oil field basic unit widespread usage etc.

The purpose of this utility model is the deficiency at existing testing tool, and a kind of usability height, test is accurate, easy to carry, with low cost and detection speed is fast electric current logging are provided.

The technical solution of the utility model is: electric current logging of the present utility model: comprise portable cabinet, keyboard, current sensor, power supply, signal input interface, signal output interface, charging inlet and main frame.Signal input interface can be on-the-spot current signal interface or current sensor signal interface, and signal output interface is communication interface or display interface device; Host A. comprising: wiring board, current sensor, signal processing circuit, analog to digital converter, microprocessor, program storage and data-carrier store; Current sensor directly links to each other with analog to digital converter at motor phase line up-sampling and through signal processing circuit, and analog to digital converter links to each other with microprocessor; Or B. comprises wiring board, signal processing circuit, analog to digital converter, microprocessor, program storage and data-carrier store; Signal input interface links to each other with the signal processing circuit of main frame, links to each other with microprocessor through analog to digital converter again.

In above-mentioned several modes, because apparatus structure is reasonable in design, the each several part circuit adopts general integrated component, the testing process sequencing, make the electric current logging be more convenient for carrying, simple to operate, detection time short, is convenient to patrolling and examining rod-pumped well.

In addition, above-mentioned signal output interface can be communication interface or display interface device, because the data of gathering can and be transmitted outside instrument in instrument stored, demonstration, makes this instrument go for the multiple needs at scene, oil field.

Owing to taked above technical scheme, made the characteristics that the utility model has possessed the usability height, test is accurate, easy to carry, cost is low and detection time is short.

Below, with specific embodiment the utility model is further specified in conjunction with the accompanying drawings:

Fig. 1 is the structural representation of an embodiment of the utility model;

Fig. 2 is a schematic block diagram of the present utility model;

Fig. 3 is the power circuit diagram of an embodiment of the utility model;

Fig. 4 is the signal processing circuit figure of an embodiment of the utility model;

Fig. 5 is the analog-digital converter circuit figure of an embodiment of the utility model;

Fig. 6 is microprocessor, program storage and the data-carrier store circuit diagram of an embodiment of the utility model;

Fig. 7 is the communicating circuit figure of an embodiment of the utility model.As a kind of embodiment of the present utility model, the module of each symbology is respectively among the figure: U1 U2 U3 U4 U58031 7,4HC,373 0,809 7805 2764U6 U7 U8 U9ZS256 MC1488 7,650 7660

Referring to Fig. 1, electric current logging of the present utility model comprises power supply keyboard 1, pilot lamp 2, charger interface 3, signal input interface 4, battery 5, power switch 6, signal output interface 7, portable cabinet 8 and main frame 9.The effect of power supply 1 (circuit diagram of specific embodiment is referring to Fig. 3) is the each several part power supply to main frame 9 circuits, can place the correct position of cabinet; Signal input interface 4 and signal output interface 7 can be respectively one or more, can be according to the arrangement setting on the circuit structure in the position of cabinet; Position arrangement on the panel 1 can be arranged with reference to necessary prior art according to the discharging of concrete electric elements and easy for operation.

Signal input interface 4 can be current signal interface or current sensor signal interface; Several situations corresponding to above-mentioned host signal input interface 4, main frame 9:A: comprise wiring board 29, current sensor 20, signal processing circuit 27, analog to digital converter 23, microprocessor 28, program storage 25, data-carrier store 26 and power circuit 22, signal input interface 4 is the interface of pincers type current sensor 20, current sensor 20 links to each other with analog to digital converter 23 through signal processing circuit 27, and analog to digital converter 23 links to each other with microprocessor 28.Or B: comprise wiring board 29, signal processing circuit 27, analog to digital converter 23, microprocessor 28, program storage 25, data-carrier store 26 and power circuit 22, signal input interface 4 links to each other with the signal processing circuit 27 of main frame, and signal processing circuit 27 links to each other with microprocessor 28 behind analog to digital converter 23.

Above-mentioned several mode because each element of current sensor 20 and main frame is all selected in the standard finished products element, strengthens its versatility and interchangeability.

Signal output interface 7 of the present utility model can be communication interface or display interface device, and communication interface connects the microcomputer serial mouth, and display interface device connects LCDs; Signal input interface 4 can also comprise an input keyboard interface.Like this, detecting information can be suitable for and on-the-spot needing this instrument in instrument stored, demonstration and outwards transmission more.

Owing to realized the testing process programmed control, make that instrumentation is easy, detection time short, be convenient to realize patrolling and examining to rod-pumped well; And less demanding to operating personnel's technical quality, carry more conveniently, cost is low again, helps the large scale application of this instrument in field production management.

As a specific embodiment of the present utility model, the circuit diagram of its power circuit, signal processing circuit, analog to digital converter, microprocessor and program storage one data-carrier store, communication interface is respectively shown in Fig. 3,4,5,6,7.Referring to Fig. 3-7, this electric current logging is delivered to signal processing circuit 27 to the current signal of motor by current sensor 20, after the U8 processing and amplifying, deliver to the U3 in the analog to digital converter 23, the U6 of the U5 of the U3 of the U1 of microprocessor 28 and analog to digital converter 23, program storage 25 and data-carrier store 26 is by data bus D (0,7) and address bus A (0,15) transmission information is finished analyzing and processing and storage to data, after the U7 of communicating circuit 24 data of storage are transmitted.

Claims

1, a kind of electric current logging, comprise portable cabinet, panel, power supply, signal input interface, signal output interface, charging inlet and main frame, main frame is mounted in the combination of the electronic devices and components on the wiring board, it is characterized in that: above-mentioned signal input interface is current signal or current sensor signal interface; Host A. comprise current sensor, signal processing circuit, analog to digital converter, microprocessor, program storage and data-carrier store, current sensor directly is connected with signal processing circuit, is connected with microprocessor through analog to digital converter again; Or B. comprises signal processing circuit, analog to digital converter, microprocessor, program storage and data-carrier store, the input interface of signal links to each other with the signal processing circuit of main frame, signal processing circuit links to each other with analog to digital converter, and analog to digital converter is connected with microprocessor.

2, a kind of electric current logging according to claim 1, it is characterized in that: above-mentioned output interface is communication interface or display interface device.

3, a kind of electric current logging according to claim 2 is characterized in that: display interface device connects LCDs.