CN202488105U

CN202488105U - Intelligent protection measuring and controlling device for oil field electric equipment

Info

Publication number: CN202488105U
Application number: CN2012200562486U
Authority: CN
Inventors: 景望山
Original assignee: JINGZHOU XIANBO PETROLEUM TECHNOLOGY Co Ltd
Current assignee: JINGZHOU XIANBO PETROLEUM TECHNOLOGY Co Ltd
Priority date: 2012-02-21
Filing date: 2012-02-21
Publication date: 2012-10-10
Anticipated expiration: 2022-02-21

Abstract

The utility model relates to an intelligent protection measuring and controlling device for oil field electric equipment and belongs to the technical field of protection instruments for the oil field electric equipment. The intelligent protection measuring and controlling device comprises a singlechip microprocessor, an electric energy measuring chip, a 485 communication module, a EEROM (electrically erasable read only memory) chip, a voltage transducer, a current transducer, a GPRS/GSM (general packet radio service/global system for mobile communications) module and the like. The intelligent protection measuring and controlling device is characterized in that the singlechip microprocessor is respectively connected with the electric energy measuring chip, the 485 communication module, the EEROM chip and the GPRS/GSM module, functions such as protection, electric energy acquisition, failure alarming and remote monitoring are integrated, operation parameter of a motor can be acquired in high accuracy, in wide range and in real time, protection of overload, stall and phase lack of the motor is realized by controlling electric major loop contactor, and alarming signals of motor abnormality can be sent out timely. By the aid of the GPRS/GSM module, energy consumption data and basic information of the device are sent to a display in real time, and intelligent protection and remote monitoring of the electric equipment are realized. The intelligent protection measuring and controlling device for oil field electric equipment is simple to operate and easy to master and is high in reliable working efficiency, labor intensity of workers is lowered, management level of the electric equipment is effectively increased.

Description

A kind of oil field power consumption equipment intelligent protection measurement and control instrument

Technical field

The utility model relates to a kind of oil field power consumption equipment intelligent protection measurement and control instrument, belongs to oil field power consumption equipment protection Instrument technology field.

Background technology

The driven by power equipment of the oil recovery in oil field, water filling, the several production links of oil-gas gathering and transportation be unable to do without motor, and the power consumption of motor accounts for whole oil and produces about 80% of total power consumption.In the production process, abnormal accidents such as motor overload, pump machine stall, electrical network phase shortage often taking place, gently then shuts down, heavy then burn equipment such as motor, pump, even initiation power distribution cabinet fire incident.In addition, the crucial means that remote monitoring motor running condition and accurate metering energy consumption are saves energy, reduce cost of winning, enhance productivity.At present the protection of oil field motor is generally adopted the mode of thermal relay overload trip; Metering, monitoring electric energy then lean on the manual inspection mode to accomplish; Can't take immediate steps when meeting abnormal conditions and avoid accident to enlarge, troublesome poeration, labor strength is big, operation, management cost are high; Some now commercially available monitorings, the shortcoming that protection series products ubiquity is not suitable for operating mode, demand is not corresponding, the operator is difficult to grasp inefficiency.

Summary of the invention

The purpose of the utility model is; A kind of integrate protection, electric energy acquisition, fault alarm, remote monitoring are provided, simple to operation, reduce production and management cost, alleviate labor strength, solve prior art and adopt overload trip behindhand type protection motor; Reaching with manual detection, metering electric energy causes labor strength big; Troublesome poeration, and timely handling failure, the oil field power consumption equipment intelligent protection measurement and control instrument of inefficiency problem.

The utility model is to realize above-mentioned purpose through following technical scheme:

This oil field power consumption equipment intelligent protection measurement and control instrument is made up of singlechip microprocessor, electric energy computation chip, 485 communication modules, EEROM chip, clock chip, watchdog circuit, voltage sensor, current sensor, GPRS/GSM module, power module, display, lithium cell charging circuit, it is characterized in that: the P6.0 of singlechip microprocessor～P6.3 pin is connected with the SIG/DOUT/REVP/CS pin of electric energy computation chip successively; Its P3.6, P3.7 pin are connected with pin RXD, the TXD of 485 communication modules; Its P4.0, P4.1 pin connect SDA, the SCL pin of EEROM chip; Its P2.4～P2.6 pin is connected with pin SLK, I/O, the RST of clock chip, and its P1.6, P1.7 pin connect WD1, the RST pin of watchdog circuit;

The V1P of electric energy computation chip～V6P pin is connected with the lead-out terminal of voltage sensor through binding post, and its V1N～V6N pin is connected with the lead-out terminal of current sensor through binding post; The Ua0 of voltage sensor, Ub0, Uc0 binding post are connected with the binding post of power consumption equipment three-phase voltage; The first siding ring of each phase of current sensor is connected with the test side of power consumption equipment three-phase current;

The COM1 port of GPRS/GSM module is connected with the P3.4～P3.5 pin of singlechip microprocessor through data wire;

The V+ of power module, V-terminal are connected with VDD0, the VSS0 pin of singlechip microprocessor; The DA0 of display～DA7 pin is connected with the P5 pin winding displacement of singlechip microprocessor, and its AO, AD, WR, RES, CS pin are connected with the P4.3～P4.7 pin winding displacement of singlechip microprocessor respectively; The pin BAT+ of lithium cell charging circuit, BAT-are connected with VDD0, the VSS0 pin of singlechip microprocessor.

The utility model beneficial effect compared with prior art is:

This oil field power consumption equipment intelligent protection measurement and control instrument adopts singlechip microprocessor, electric energy computation chip etc.; Integrate functions such as protection, electric energy acquisition, fault alarm, remote monitoring; But high accuracy, wide-range, gather motor operating parameter in real time; And, realize the operating overload of motor, stall, open-phase protection, and can in time send burglar alarm, motor abnormality alarm signal through the contactor on the electric major loop of control.Through the GPRS/GSM module, can the operation power consumption data and the base regime information of power consumption equipment be sent on display and the related management personnel mobile phone, realize the intelligent protection and the remote measurement and control of power consumption equipment.Solve prior art and adopted overload trip behindhand type protection motor; And manual patrol detects, the metering electric energy causes labor strength big; In case and can not take immediate steps during device fails to handle and cause accident to enlarge troublesome poeration, ineffective problem.Easy grasp simple to operation, the reliable efficient of working stability is high, has reduced working strength of workers, has effectively improved the managerial skills to the power consumption equipment operation.

Description of drawings

Fig. 1 is the circuit working schematic diagram of oil field power consumption equipment intelligent protection measurement and control instrument.

Among the figure: 1, singlechip microprocessor, 2, electric energy computation chip, 3,485 communication modules, 4, the EEROM chip; 5, clock chip, 6, watchdog circuit, 7, voltage sensor, 8, current sensor; 9, GPRS/GSM module, 10, power module, 11, display; 12, lithium cell charging circuit, 13, the power consumption equipment three-phase voltage, 14, the power consumption equipment three-phase current.

Embodiment

Below in conjunction with Fig. 1 the execution mode of the utility model is described in detail:

This oil field power consumption equipment intelligent protection measurement and control instrument is made up of singlechip microprocessor 1, electric energy computation chip 2,485 communication modules 3, EEROM chip 4, clock chip 5, watchdog circuit 6, voltage sensor 7, current sensor 8, GPRS/GSM module 9, power module 10, display 11, lithium cell charging circuit 12, and the P6.0 of singlechip microprocessor 1～P6.3 pin is connected with the SIG/DOUT/REVP/CS pin of electric energy computation chip 2 successively; Its P3.6, P3.7 pin are connected with pin RXD, the TXD of 485 communication modules 3; Its P4.0, P4.1 pin connect SDA, the SCL pin of EEROM chip 4; Its P2.4～P2.6 pin is connected with pin SLK, I/O, the RST of clock chip 5, and its P1.6, P1.7 pin connect WD1, the RST pin of watchdog circuit 6;

The V1P of electric energy computation chip 2～V6P pin is connected with the lead-out terminal of voltage sensor 7 through binding post, and its V1N～V6N pin is connected with the lead-out terminal of current sensor 8 through binding post; The Ua0 of voltage sensor, Ub0, Uc0 binding post are connected with the binding post of power consumption equipment three-phase voltage 13; The first siding ring of each phase of current sensor is connected with the test side of power consumption equipment three-phase current 14;

The COM1 port of GPRS/GSM module 9 is connected with the P3.4～P3.5 pin of singlechip microprocessor 1 through data wire;

The V+ of power module 10, V-terminal are connected with VDD0, the VSS0 pin of singlechip microprocessor 1; The DA0 of display 11～DA7 pin is connected with the P5 pin winding displacement of singlechip microprocessor 1, and its AO, AD, WR, RES, CS pin are connected with the P4.3～P4.7 pin winding displacement of singlechip microprocessor 1 respectively; The pin BAT+ of lithium cell charging circuit 12, BAT-are connected with VDD0, the VSS0 pin of singlechip microprocessor 1.

The model of singlechip microprocessor 1 is MSP430F149, and its P6.0～P6.3 pin is connected with the SIG/DOUT/REVP/CS pin of electric energy computation chip 2 successively, is used to read the real-time energy data of electric energy computation chip 2.The model of electric energy computation chip 2 is AT-7022C; Its V1P～V6P pin is connected with the lead-out terminal of voltage sensor 7 through binding post; Its V1N～V6N pin is connected with the lead-out terminal of current sensor 8 through binding post, is respectively applied for voltage parameter and the current parameters of gathering operational outfit.The model of voltage sensor is CE-VJ31, and its Ua0, Ub0, Uc0 binding post are connected with the binding post of power consumption equipment three-phase voltage 13; The current sensor model is CE-IJ31, and the first siding ring of its each phase is connected with the test side of power consumption equipment three-phase current 14, is respectively applied for the basic data of gathering real-time voltage and electric current.

Power module 10V+, V-terminal link to each other with singlechip microprocessor 1VDD0, VSS0 pin, are used for the power supply supply of singlechip microprocessor 1 and ancillary equipment; The BAT+ of lithium cell charging circuit 12, BAT-pin link to each other with VDD0, the VSS0 pin of singlechip microprocessor 1, are used for the charging voltage and the charging current of the battery feed of control single chip computer microprocessor 1.

The model of 485 communication modules 3 is 65LBC184, and its RXD, TXD pin link to each other with P3.6, the P3.7 pin of singlechip microprocessor 1, and the output and the parameter that are used for guard signal are provided with etc.The model of EEROM chip 4 is 24C16, and its SDA, SCL pin link to each other with P4.0, the P4.1 pin of singlechip microprocessor 1, are used to store basic data and setup parameter, lost data and parameter after the defence power down.The model of clock chip 5 is DS1302, and its SLK, I/O, RST pin link to each other with the P2.4～P2.6 pin of singlechip microprocessor 1 respectively, is used to each intelligent protection parts clock frequency, sample record, timing interruption and data query etc. are provided.The model of watchdog circuit 6 is 1MP706, and its WD1, RST pin link to each other with P1.6, the P1.7 pin of singlechip microprocessor 1, singlechip microprocessor 1 is crashed reliably monitor and reset operation.

The COM1 port of GPRS/GSM module 9 is connected with the P3.4～P3.5 pin of singlechip microprocessor 1 through data wire, is used for singlechip microprocessor 1 data designated is transmitted through the GPRS/GSM network.The DA0 of LCD display 11～DA7 pin links to each other with the P5 pin winding displacement of singlechip microprocessor 1, is used for data communication between the two; Its AO, AD, WR, RES, CS pin link to each other with the P4.3～P4.7 pin winding displacement of singlechip microprocessor 1 respectively, are used for the control, read-write of 1 pair of LCD display address bit of singlechip microprocessor etc., thereby realize formulating the demonstration of character information on screen.

During work; Electric energy computation chip 2 is gathered the current data value of voltage sensor 7 and current sensor 8; Through transferring to singlechip microprocessor 1 after analog-to-digital conversion and the range correspondence; Singlechip microprocessor 1 reads Back ground Information and the alarm limit definite value of setting in the EEROM chip 4, and corresponding protection is reported to the police and action output through making with the contrast of current collection voltage, current value; Data such as meritorious, idle, the power factor of electric energy computation chip 2, voltage, electric current are shown to the onsite user by LCD display 11 after through singlechip microprocessor 1 caching process, through 9 teletransmissions of GPRS/GSM module to designated terminal.

The above is the embodiment of this utility model; The above-mentioned flesh and blood that illustrates not the utility model constitutes restriction; Under the those of ordinary skill of technical field after having read this specification, can make an amendment or be out of shape above-mentioned embodiment, and do not deviate from the essence and the scope of the utility model.

Claims

1. oil field power consumption equipment intelligent protection measurement and control instrument; It is made up of singlechip microprocessor (1), electric energy computation chip (2), 485 communication modules (3), EEROM chip (4), clock chip (5), watchdog circuit (6), voltage sensor (7), current sensor (8), GPRS/GSM module (9), power module (10), display (11), lithium cell charging circuit (12), and it is characterized in that: the P6.0 of singlechip microprocessor (1)～P6.3 pin is connected with the SIG/DOUT/REVP/CS pin of electric energy computation chip (2) successively; Its P3.6, P3.7 pin are connected with pin RXD, the TXD of 485 communication modules (3); Its P4.0, P4.1 pin connect SDA, the SCL pin of EEROM chip (4); Its P2.4～P2.6 pin is connected with pin SLK, I/O, the RST of clock chip (5), and its P1.6, P1.7 pin connect WD1, the RST pin of watchdog circuit (6); The V1P of electric energy computation chip (2)～V6P pin is connected with the lead-out terminal of voltage sensor (7) through binding post, and its V1N～V6N pin is connected with the lead-out terminal of current sensor (8) through binding post; The Ua0 of voltage sensor (7), Ub0, Uc0 binding post are connected with the binding post of power consumption equipment three-phase voltage (13); The first siding ring of each phase of current sensor (8) is connected with the test side of power consumption equipment three-phase current (14); The COM1 port of GPRS/GSM module (9) is connected with the P3.4～P3.5 pin of singlechip microprocessor (1) through data wire; The V+ of power module (10), V-terminal are connected with VDD0, the VSS0 pin of singlechip microprocessor (1); The DA0 of display (11)～DA7 pin is connected with the P5 pin winding displacement of singlechip microprocessor (1), and its AO, AD, WR, RES, CS pin are connected with the P4.3～P4.7 pin winding displacement of singlechip microprocessor (1) respectively; The pin BAT+ of lithium cell charging circuit (12), BAT-are connected with VDD0, the VSS0 pin of singlechip microprocessor (1).