CN205049914U

CN205049914U - Tail walking beam balancing piece intelligent control device

Info

Publication number: CN205049914U
Application number: CN201520816049.4U
Authority: CN
Inventors: 项蜀忠; 时岩
Original assignee: Beijing Zhongze Huafu Automation Technology Co Ltd
Current assignee: Huayao Times (Tianjin) Technology Co., Ltd.
Priority date: 2015-09-29
Filing date: 2015-10-20
Publication date: 2016-02-24
Anticipated expiration: 2025-10-20

Abstract

The utility model provides a tail walking beam balancing piece intelligent control device who uses on the tail walking beam, including microcontroller, microcontroller includes AD converter interface, SPI peripheral hardware interface, IO mouth and serial port, the output of microcontroller's AD converter interface connection analog input front end network, the input of battery voltage signal connection analog input front end network, microcontroller's SPI peripheral hardware interface connection 3D acceleration sensor and FLASH data memory, microcontroller's IO mouth linked switch volume input unit, switch quantity output unit, quadbit dial switch and SPI interface chips's chip selection pin, the wireless data transceiver module is connected to microcontroller's a serial port, and serial communication interface is connected to another serial port, the utility model discloses a tail walking beam balancing piece intelligent control device is a collection voltage acquisition, electric machine control, inclination calculation, wired radio communication function intelligent control device as an organic whole.

Description

Tail walking-beam counterweight intelligent controlling device

Technical field

The utility model relates to a kind of tail walking-beam counterweight intelligent controlling device, particularly relates to a kind of wired and tail walking-beam counterweight control device that is communication supported.

Background technology

Walking-beam pumping unit is widely used a kind of Surface power drive drive apparatus during oil recovery is produced, walking-beam pumping unit is made up of engine, gear reduction box, crank, counterbalance weight, connecting rod, walking beam, support and horse head etc., by reducer casing, crank connecting link, the rotary motion of engine is become the to-and-fro movement of sucker rod and oil well pump, realize oil suction and the oil extraction process of oil well pump.In oil extraction in oil field is produced, due to the continuous change of oil reservoir situation, walking-beam pumping unit needs often to adjust balance, and even to ensure the load of the upper and lower stroke of oil pumper, extension device reduces energy consumption while serviceable life.

Current most walking-beam pumping unit adopts artificial adjustment balance of well pumping unit degree; the method of this manual shift counterweight can bring following shortcoming: 1) need to carry out under stopped status; 2) need 2-3 people and crane to coordinate simultaneously; each adjustment needs 2 hours; labor strength and management difficulty larger; especially on plateau, the severe oil field of desert, the natural conditions such as Gobi desert, adjustment balance of well pumping unit degree is more difficult.Artificial adjustment balance of well pumping unit degree not only affects oil well output, also easily causes holddown accident containing sand drain.3) counterweight regulates not accurate.4) cannot accomplish that the change along with oil well load adjusts quality of balance in time.

Part automatic adjusting balance oil pumper has also been applied in some oil fields now, on the controller that some producers adopt wired connected mode to be connected to by counterbalance weight control device in ground control cabinet, also have some producers to adopt the mode of radio communication to be connected to by counterbalance weight control device on the controller in ground control cabinet, send the instruction of counterbalance weight direction of motion by the controller in ground control cabinet; Still there is not at present a kind of universal controller not only wired connection can supported but also wireless connections can be supported.

Utility model content

In order to solve the technical matters existed in background technology, the utility model proposes a kind of tail walking-beam counterweight intelligent controlling device, being a kind of collecting voltage collection, intelligent controlling device that Electric Machine Control, Dip countion, wire/wireless communication function are integrated.

Technical solution of the present utility model is: tail walking-beam counterweight intelligent controlling device, comprises microcontroller, and described microcontroller comprises A/D converter interface, SPI Peripheral Interface, I/O mouth and serial port; Its special character is: the output terminal of the A/D converter interface connection mode analog quantity input front end network of described microcontroller, the input end of battery voltage signal connection mode analog quantity input front end network; The SPI Peripheral Interface of microcontroller connects 3D acceleration transducer and FLASH data-carrier store; The sheet of the I/O mouth connecting valve amount input block of microcontroller, switch amount output unit, 4-bit DIP switch and SPI interface chip selects pin; A serial port of microcontroller connects wireless data transceiver module, and another serial port connects serial communication interface;

The chip model that above-mentioned microcontroller adopts is STM32F103ZET6.

The chip model that above-mentioned control 3D acceleration transducer adopts is ADXL345.

Between above-mentioned microcontroller I/O mouth and On-off signal unit, photoisolator is set.

Between above-mentioned microcontroller I/O mouth and switch amount output unit, photoisolator is set.

Above-mentioned control device, the systematic parameter received from wireless data transceiver module is stored in the FLASH data-carrier store of SPI interface.

The chip model that above-mentioned FLASH data-carrier store adopts is AT45DB321DB.

Above-mentioned serial communication interface is the serial communication interface adopting RS-485 mode, and isolates between the serial port of microcontroller and be connected.

Tail walking-beam counterweight intelligent controlling device of the present utility model, can calculate the magnitude of voltage of the inclination value of counterbalance weight, jig frequency value, accumulator; Upper dead center and the bottom dead centre of horse head can be judged; The state of front and back limit switch can be gathered, carry out stoppage protection when counterbalance weight moves to restraining position; The running state information of motor can be gathered.

The beneficial effects of the utility model are, this control device not only always can regulate the balance angle value of walking beam by the rotating controlling motor, and can provide wire communication and radio communication two kinds of interfaces, makes the deployment of system architecture more flexible.

Accompanying drawing explanation

Fig. 1 is the utility model structural principle schematic diagram

Fig. 2 is 3D acceleration sensor circuit schematic diagram of the present utility model

Fig. 3 is FLASH data-carrier store circuit theory diagrams of the present utility model

Fig. 4 is switching value output circuit schematic diagram of the present utility model

Fig. 5 is switching value input circuit schematic diagram of the present utility model

Fig. 6 is analog input front network circuit theory diagrams of the present utility model

Fig. 7 is wireless data transceiver module circuit theory diagrams of the present utility model

Fig. 8 is serial communication interface circuit schematic diagram of the present utility model

Embodiment

See Fig. 1, tail walking-beam counterweight intelligent controlling device of the present utility model, comprises for controller 1,3D acceleration transducer 2, On-off signal unit 3, analog input front network 4,4-bit DIP switch 5, wireless data transceiver module 6, switch amount output unit 7, FLASH data-carrier store 8, serial communication interface 9; The input end of microcontroller 1 connects 3D acceleration transducer 2, On-off signal unit 3, analog input front network 4,4-bit DIP switch 5; The output terminal connecting valve amount output unit of microcontroller 1; A serial port of microcontroller 1 connects wireless data transceiver module; Another serial port of microcontroller 1 connects serial communication interface.

Whole control device of the present utility model with 32 8-digit microcontroller STM32F103ZET6 for control core.Microcontroller 1 inside contains several functions module, as WatchDog Timer, programmable voltage detecting device, A/D converter, D/A converter, PWM, serial port, Timer/Counter, SPI Peripheral Interface, CAN controller, USB device interface, real-time clock RTC, dma controller, GPIO etc.

See Fig. 2, the model of 3D acceleration transducer 2 chip of the present utility model is ADXL345, this chip is connected with microcontroller 1 by SPI Peripheral Interface, can be realized the calculating of real-time angular value by specific programmed algorithm, the variation tendency according to angle value judges the position of upper dead center and bottom dead centre and calculates jig frequency value in conjunction with the timer internal of microcontroller 1.

See Fig. 3, the model of FLASH data-carrier store chip of the present utility model is AT45DB321DB, and this chip is connected with microcontroller 1 by SPI Peripheral Interface, for storing the systematic parameter from wireless data module.

See Fig. 4, switching value output signal of the present utility model controls balancing motor and runs, and band dynamic balance weight moves on walking beam, changes lever moment and carrys out automatic adjusting balance.

See Fig. 5, On-off signal unit of the present utility model is used for the state of detectability bit switch and motor.

See Fig. 6, the utility model analog input is linear isolation change-over circuit, cell voltage is isolated through electric resistance partial pressure, linear optical coupling, is exported the voltage signal meeting A/D module voltage input range in microcontroller 1, for gathering the magnitude of voltage of accumulator through amplifier conditioning again.

See Fig. 7, wireless data transceiver module of the present utility model is connected with microcontroller 1 by serial port, low and high level by SET pin arranges the mode of operation of module: data transmit-receive pattern and set model, and data transmit-receive pattern can be used for normal transceiving data; Set model can the running parameter of setting module, as baud rate, transmission frequency, emissive power etc.

See Fig. 8, the utility model serial communication interface 9 adopts RS-485 half-duplex bus mode, multi-point bus structure can be realized, bus mode adopts the MAX485 chip of MAXIAM company, driving force is strong, and maximum communication distance can reach 1200 meters, can realize at most 255 table apparatus networkings, with host computer serial communication, realize remote measurement, remote signalling, distant control function.

Claims

1. tail walking-beam counterweight intelligent controlling device, comprises microcontroller, and described microcontroller comprises A/D converter interface, SPI Peripheral Interface, I/O mouth and serial port; It is characterized in that: the A/D converter interface of described microcontroller connects the output terminal of cell voltage linear isolation change-over circuit, the input end of cell voltage tie-in line sexual isolation change-over circuit after electric resistance partial pressure; The SPI Peripheral Interface of microcontroller connects 3D acceleration transducer and FLASH data-carrier store; The sheet of the I/O mouth connecting valve amount input block of microcontroller, switch amount output unit, 4-bit DIP switch and SPI interface chip selects pin; A serial port of microcontroller connects wireless data transceiver module, and another serial port connects serial communication interface.

2. tail walking-beam counterweight intelligent controlling device according to claim 1, is characterized in that: the chip model that described microcontroller adopts is STM32F103ZET6.

3. tail walking-beam counterweight intelligent controlling device according to claim 2, is characterized in that: the chip model that described 3D acceleration transducer adopts is ADXL345.

4. tail walking-beam counterweight intelligent controlling device according to claim 3, is characterized in that: arrange photoisolator between described microcontroller I/O mouth and On-off signal unit.

5. tail walking-beam counterweight intelligent controlling device according to claim 4, is characterized in that: arrange photoisolator between described microcontroller I/O mouth and switch amount output unit.

6. tail walking-beam counterweight intelligent controlling device according to claim 5, is characterized in that: the systematic parameter received by described wireless data transceiver module is stored in the FLASH data-carrier store of SPI interface.

7. tail walking-beam counterweight intelligent controlling device according to claim 6, is characterized in that: the chip model that described FLASH data-carrier store adopts is AT45DB321D.

8. tail walking-beam counterweight intelligent controlling device according to claim 7, is characterized in that: described serial communication interface is the serial communication interface adopting RS-485 mode.