CN211813172U - Drilling machine lowering control system and variable-frequency drilling machine with same - Google Patents
Drilling machine lowering control system and variable-frequency drilling machine with same Download PDFInfo
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- CN211813172U CN211813172U CN202020154683.7U CN202020154683U CN211813172U CN 211813172 U CN211813172 U CN 211813172U CN 202020154683 U CN202020154683 U CN 202020154683U CN 211813172 U CN211813172 U CN 211813172U
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Abstract
The application discloses control system is transferred to rig, including the host computer, PLC, the electric cabinet, pneumatic control box and speed encoder, wherein, the host computer is connected with the electric cabinet electricity, PLC is connected with the electric cabinet electricity, speed encoder is connected with the electric cabinet electricity, pneumatic control box input is connected with the output electricity of electric cabinet, the host computer is configured to receive the data of electric cabinet transmission and shows operating condition instruction picture and height display picture, PLC is configured to receive the data of electric cabinet transmission and optimizes data, calculate, control and management work, speed encoder is configured to the collection and the transmission electric cabinet to the current height monitoring of bull hook and cylinder actual speed, pneumatic control box is configured to receive the signal of telecommunication of electric cabinet and is applicable to control the eaton brake. When the hook height set by the upper computer is reached, the PLC program can change the downward movement of the drilling tool controlled by the Eton brake into the downward movement of the drilling tool controlled by the winch motor, thereby ensuring the safety of the downward movement on the basis of speed increase.
Description
Technical Field
The utility model relates to an electric drill field especially relates to a control system is transferred to rig and has its frequency conversion rig.
Background
At present, the winch lowering control system of the petroleum drilling machine mainly comprises three types, namely a direct current control system winch lowering system, a mechanical driving system and a variable frequency drilling machine, wherein the variable frequency drilling machine is high in automation degree, can realize stable starting, braking and speed regulation under the load condition, reduces the loss of a braking device and saves energy through the feedback of power grid energy when the variable frequency drilling machine starts and descends the drilling, but the drilling operation efficiency is low, the drilling period is long, and the cost is high. Due to the limitation of the lowering control mode, energy cannot be quickly released in the lowering process, voltage impact on a control system is large, the failure rate of equipment is high, and safety is reduced.
Disclosure of Invention
In view of the above, the present disclosure provides a drilling machine lowering control system for controlling a lowering speed of a variable frequency drilling machine, including an upper computer, a PLC, an electric cabinet, a pneumatic control box, an eaton brake and a speed encoder;
the upper computer is electrically connected with the electric cabinet;
the PLC is electrically connected with the electric cabinet;
the upper computer is electrically connected with the PLC,
the speed encoder is electrically connected with the electric cabinet;
the input end of the pneumatic control box is electrically connected with the output end of the electric control box;
the pneumatic control box is connected with an Eton brake; and is
The electric control box is suitable for being electrically connected with an electric control system of the variable frequency drilling machine;
the electric cabinet is suitable for being electrically connected with a brake handle of the variable frequency drilling machine;
the upper computer is configured to receive the data transmitted by the electric control box and display a working state indicating picture and a height display picture;
the PLC is configured to receive the height of the hook transmitted by the electric cabinet and judge the height of the hook and a set value;
the electric cabinet is configured to transmit picture data of the upper computer, a judgment result of the PLC and the hook height collected by the speed encoder;
the speed encoder is configured to monitor the current height of the hook and collect and transmit the actual speed of the roller to the electric cabinet;
the pneumatic control box is configured to receive the electric signal of the electric control box and control the Eton brake.
In one possible implementation, the speed encoder is model ZKT-61L-H25-102.4BM-C5L-A-15 m.
In one possible implementation, the electric cabinet includes a transmitter unit;
the input end of the transmitter unit is suitable for being electrically connected with the brake handle;
the output end of the transmitter unit is suitable for being electrically connected with the input end of the PLC;
the transmitter unit is configured to be suitable for receiving the electric signal of the brake handle, processing the electric signal and inputting the processed electric signal to the PLC.
In one possible implementation, the model of the upper computer is TP 1500.
In one possible implementation, the PLC is of the type Siemens S7-300.
In one possible implementation manner, the electric cabinet further comprises a display screen;
the display screen is configured to alter a parameter;
the parameter comprises a set value for the hook height.
In one possible implementation, the electric cabinet further comprises a Profibus-DP bus;
one end of the Profibus-DP bus is electrically connected with the PLC;
the other end of the Profibus-DP bus is adapted to be electrically connected to the electronic control system.
In one possible implementation, the pneumatic control pod includes a valve island;
the valve island is electrically connected with the electric cabinet;
the valve island is connected with the Eton brake;
and the valve island receives the electrical signal of the PLC through the electric cabinet to act.
In one possible implementation, the valve island includes a proportional valve.
According to another aspect of the disclosure, a variable frequency drilling machine is further disclosed, which is characterized by comprising the drilling machine lowering control system.
The device comprises an upper computer, a PLC, a speed encoder, an electric cabinet, a brake handle, a working state indicating picture and a height display picture, wherein the upper computer is electrically connected with the electric cabinet, the PLC is electrically connected with the electric cabinet, the upper computer is electrically connected with the PLC, the speed encoder is electrically connected with the electric cabinet, the input end of the gas control box is electrically connected with the output end of the electric cabinet, the gas control box is connected with an Eton brake and is suitable for being electrically connected with an electric control system of a variable frequency drilling machine, the electric cabinet is suitable for being electrically connected with the brake handle of the variable frequency drilling machine, the upper computer is configured for receiving data transmitted by the electric cabinet and displaying a working state indicating picture and a height displaying picture, the PLC is configured for receiving the height of a big hook transmitted by the electric cabinet and judging the height of the big hook and the size of a set value, the electric cabinet is configured for transmitting picture data of, and the pneumatic control box is configured to receive the electric signal of the electric control box and control the Eton brake. When the height of the hook set by the upper computer is reached, the PLC program can change the downward movement of the drilling tool controlled by the Eton brake into the downward movement of the drilling tool controlled by the winch motor, so that the safety of the downward movement is ensured on the basis of speed increase.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
Fig. 1 shows a block diagram of a rig lowering control system of an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
FIG. 1 shows a block diagram of a rig lowering control system according to an embodiment of the present disclosure. As shown in fig. 1, the 1 includes:
the upper computer 110 is electrically connected with the electric control box 130, the PLC120 is electrically connected with the electric control box 130, the speed encoder 150 is electrically connected with the electric control box 130, the input end of the pneumatic control box 140 is electrically connected with the output end of the electric control box 130, the pneumatic control box 140 is suitable for being connected with the Eton brake 160, the electric control box 130 is suitable for being electrically connected with the electric control system 200, the electric control box 130 is suitable for being electrically connected with the brake handle 300, the upper computer 110 is configured to receive data transmitted by the electric control box 130 and display a working state indication picture and a height display picture, the PLC120 is configured to receive the height of a hook transmitted by the electric control box and judge the height of the hook and the set value, the electric control box 130 is configured to transmit data among the upper computer 110, the PLC120 and the speed encoder 150, the speed encoder 150 is configured to monitor the current height of the hook and collect the actual speed of a roller and, is configured to receive electrical signals from the electrical control box 130 and is adapted to control the eaton brake 160.
The device is electrically connected with an electric cabinet 130 through an upper computer 110, the PLC120 is electrically connected with the electric cabinet 130, the upper computer 110 is electrically connected with the PLC120, a speed encoder 150 is electrically connected with the electric cabinet 130, the input end of a pneumatic control box 140 is electrically connected with the output end of the electric cabinet 130, the pneumatic control box 140 is connected with an Eton brake 160, the electric cabinet 130 is suitable for being electrically connected with an electric control system of a variable frequency drilling machine, the electric cabinet 130 is suitable for being electrically connected with a brake handle of the variable frequency drilling machine, the upper computer 110 is configured for receiving data transmitted by the electric cabinet 130 and displaying a working state indicating picture and a height displaying picture, the PLC120 is configured for receiving a hook height transmitted by the electric cabinet 130 and judging the hook height and a set value, the electric cabinet 130 is configured for transmitting picture data of the upper computer 110, a judgment result of the PLC120 and the hook height acquired by the speed encoder 150, the speed encoder 150 is configured for monitoring the current hook height and acquiring and transmitting the actual roller, and a pneumatic control box 140 configured to receive the electric signal of the electric control box 130 and control the eaton brake 160. When the height of the hook set by the upper computer 110 is reached, the PLC120 program can change the downward movement of the drilling tool controlled by the Eton brake 160 into the downward movement of the drilling tool controlled by the winch motor, so that the safety of the downward movement is ensured on the basis of speed increase.
It should be noted that, the comparison between the obtained hook height and the set value by the PLC may be implemented by using a program for comparison and judgment commonly used in the art, and therefore, the comparison between the obtained hook height and the set value loaded on the PLC in the present application may be implemented by directly using a conventional technical means in the art.
Specifically, referring to fig. 1, the upper computer 110 is electrically connected to the electric control box 130, and the upper computer 110 is configured to receive data transmitted by the electric control box 130 and display a working state indication picture and a height display picture.
In a possible implementation manner, the upper computer 110 is a siemens TP1500, and includes a display screen, and each valve island in the pneumatic control box 140 is controlled to act through the electric control box 130, wherein the display screen includes a working state indication picture and a height display picture, and the working state indication picture is used for monitoring eaton work or winch motor work, hook speed and winch motor lowering speed. The height display picture can be used for carrying out zero calibration of the hook, the height of the hook when the motor of the winch is switched by the Eton brake 160 and displaying the current height of the hook. And, the upper computer 110 is further connected with the PLC120, and the PLC120 can be programmed by the upper computer 110 using the existing technology, so that the PLC120 realizes a required calculation function.
Further, referring to fig. 1, the PLC120 is electrically connected to the electric control box 130, and the PLC120 is configured to receive the hook height transmitted by the electric control box 130 and determine the hook height and the set value.
In one possible implementation, the PLC is siemens S7-300, and the PLC120 includes a frequency counting block configured to receive the signal of the speed encoder 150 and perform assignment processing, a CPU module configured to receive and process data, and a digital-to-analog conversion module configured to receive an analog quantity and convert the data into a digital quantity, and transmit the data to the CPU module. The electric signal of the brake handle 300 is processed by the transducer, input into the digital-to-analog conversion module, output to the proportional valve through the CPU module to make the proportional valve act, so as to control the Eton brake 160, and in addition, when the winch motor works, the signal lamp A is lighted; signal light B lights up when the Eton brake 160 is on; when the system fails, the signal lamp C is lit. The frequency counting block may be SFB47, among others.
It should be noted that the frequency counting block and the digital-to-analog conversion block can be implemented by means of the prior art or the conventional technology in the field. And the height of the hook can be zeroed, the maximum value and the minimum value of the height of the hook can be set, and preferably, the winch motor is switched to be lowered from the original electric control system when the height of the hook is 4 meters.
Further, referring to fig. 1, a speed encoder 150 is electrically connected to the electric cabinet 130, and the speed encoder 150 is configured to monitor the current height of the hook and collect and transmit the actual speed of the roller to the electric cabinet 130.
In one possible implementation, the speed encoder 150 may be ZKT-61L-H25-102.4BM-C5L-a-15m, the speed encoder 150 outputs an electrical signal to the frequency counting program block, and the frequency counting program block is assigned using the siemens standard to complete the monitoring of the hook height and the collection of the actual speed of the drum, when the hook height is higher than the set value, the driller operates the eaton brake 160 to perform the lowering operation, when the hook height is close to the set value, the collected actual speed of the drum is transmitted to the PLC120 through the electric cabinet 130 to be processed, and then transmitted to the original electric control system 200 through the Profibus-DP bus to enable the winch motor to operate, and a proper rotation speed is set to enable the whole switching process to be smoothly performed and seamlessly.
Further, referring to fig. 1, the electric cabinet 130 is configured to transmit data between the upper computer 110, the PLC120 and the speed encoder 150, the electric cabinet 130 is adapted to be electrically connected to the electric control system 200, and the electric cabinet 130 is adapted to be electrically connected to the brake handle 300.
In one possible implementation, the electrical control box 130 includes a Profibus-DP bus and a transmitter unit, wherein an input of the transmitter unit is adapted to be electrically connected to the brake handle 300, an output of the transmitter unit is adapted to be electrically connected to an input of the PLC120, and the transmitter unit is configured to receive the electrical signal of the brake handle 300, process the electrical signal and input the processed electrical signal to the PLC 120. The transmitter receives and processes the signal of the brake handle 300, transmits the processed signal to the digital-to-analog conversion module of the PLC120, converts the analog quantity into a digital quantity, and transmits the digital quantity to the electric cabinet 130. Additionally, one end of the Profibus-DP bus is electrically coupled to PLC120, and the other end of the Profibus-DP bus is adapted to be electrically coupled to electronic control system 200. The upper computer 110, the PLC120 and the original electric control system 200 form a network through Profibus-DP, which is the control core of the system and completes the data optimization, calculation, control and management. The electric cabinet 130 also includes a display screen configured to allow modification of parameters including a set point for the height of the hook.
Further, referring to fig. 1, an input end of the pneumatic control box 140 is electrically connected to an output end of the electric control box 130, the pneumatic control box 140 is adapted to be connected to the eaton brake 160, and the pneumatic control box 140 is configured to receive an electric signal of the electric control box 130 and adapted to control the eaton brake 160.
In a possible implementation manner, the pneumatic control box 140 includes a valve island, the CPU module in the PLC120 processes the electrical signal of the brake handle 300 through the transmitter, and inputs the processed electrical signal to the analog module of the PLC120, and outputs the processed electrical signal to the pneumatic control box 140 through the CPU module of the PLC120, so that the valve island in the pneumatic control box 140 operates, and the eaton brake 160 is controlled to operate, wherein the valve island includes a plurality of proportional valves.
It should be noted that although the rig lowering control system is described above as an example, those skilled in the art will appreciate that the present disclosure should not be limited thereto. In fact, the user can flexibly set the drilling machine lowering control system according to personal preference and/or practical application scenes as long as the required functions are achieved.
Thus, the upper computer 110 is electrically connected with the electric cabinet 130, the PLC120 is electrically connected with the electric cabinet 130, the upper computer 110 is electrically connected with the PLC120, the speed encoder 150 is electrically connected with the electric cabinet 130, the input end of the pneumatic control box 140 is electrically connected with the output end of the electric cabinet 130, the pneumatic control box 140 is connected with the Eton brake 160, the electric cabinet 130 is suitable for being electrically connected with an electric control system of the variable frequency drilling machine, the electric cabinet 130 is suitable for being electrically connected with a brake handle of the variable frequency drilling machine, the upper computer 110 is configured for receiving data transmitted by the electric cabinet 130 and displaying a working state indication picture and a height display picture, the PLC120 is configured for receiving the height of the hook transmitted by the electric cabinet 130 and judging the height of the hook and the size of a set value, the electric cabinet 130 is configured for transmitting picture data of the upper computer 110, the judgment result of the PLC120 and the height of the hook acquired by the speed encoder 150, the speed encoder 150 is configured for monitoring the current height of the, and a pneumatic control box 140 configured to receive the electric signal of the electric control box 130 and control the eaton brake 160. When the height of the hook set by the upper computer 110 is reached, the PLC120 program can change the downward movement of the drilling tool controlled by the Eton brake 160 into the downward movement of the drilling tool controlled by the winch motor, so that the safety of the downward movement is ensured on the basis of speed increase.
In addition, based on any preceding rig is lowered control system 100, this disclosure still provides a frequency conversion rig. The variable frequency drilling rig provided by the present disclosure includes a drilling rig lowering control system 100 as described in any of the preceding. The drilling machine lowering control system 100 is installed in a variable frequency drilling machine and used for controlling the speed of a lowered hook when the variable frequency drilling machine is used for lowering the hook. By installing any one of the drilling machine lowering control systems 100 in the variable frequency drilling machine, the variable frequency drilling machine can stably complete the function of hitting and smashing the hook, and therefore the safety of the variable frequency drilling machine is effectively improved.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A drilling machine lowering control system is used for controlling the lowering speed of a variable frequency drilling machine and is characterized by comprising an upper computer, a PLC, an electric cabinet, a pneumatic control box, an Eton brake and a speed encoder;
the upper computer is electrically connected with the electric cabinet;
the PLC is electrically connected with the electric cabinet;
the upper computer is electrically connected with the PLC,
the speed encoder is electrically connected with the electric cabinet;
the input end of the pneumatic control box is electrically connected with the output end of the electric control box;
the pneumatic control box is connected with an Eton brake; and is
The electric control box is suitable for being electrically connected with an electric control system of the variable frequency drilling machine;
the electric cabinet is suitable for being electrically connected with a brake handle of the variable frequency drilling machine;
the upper computer is configured to receive the data transmitted by the electric control box and display a working state indicating picture and a height display picture;
the PLC is configured to receive the height of the hook transmitted by the electric cabinet and judge the height of the hook and a set value;
the electric cabinet is configured to transmit picture data of the upper computer, a judgment result of the PLC and the hook height collected by the speed encoder;
the speed encoder is configured to monitor the current height of the hook and collect and transmit the actual speed of the roller to the electric cabinet;
the pneumatic control box is configured to receive the electric signal of the electric control box and control the Eton brake.
2. Rig lowering control system according to claim 1, characterised in that the speed encoder is of the type ZKT-61L-H25-102.4BM-C5L-a-15 m.
3. The rig lowering control system of claim 1, wherein the electrical cabinet includes a transmitter unit;
the input end of the transmitter unit is suitable for being electrically connected with the brake handle;
the output end of the transmitter unit is suitable for being electrically connected with the input end of the PLC;
the transmitter unit is configured to be suitable for receiving the electric signal of the brake handle, processing the electric signal and inputting the processed electric signal to the PLC.
4. The drill rig lowering control system according to claim 1, wherein the upper computer is TP 1500.
5. The rig lowering control system of claim 1, wherein the PLC is of the type siemens S7-300.
6. The rig lowering control system of claim 1, wherein the electrical cabinet further comprises a display screen;
the display screen is configured to alter a parameter;
the parameter comprises a set value for the hook height.
7. The drill rig lowering control system of claim 4, wherein the electrical cabinet further comprises a Profibus-DP bus;
one end of the Profibus-DP bus is electrically connected with the PLC;
the other end of the Profibus-DP bus is adapted to be electrically connected to the electronic control system.
8. The rig lowering control system of claim 1, wherein the pneumatic control pod comprises a valve island;
the valve island is electrically connected with the electric cabinet;
the valve island is connected with the Eton brake;
and the valve island receives the electrical signal of the PLC through the electric cabinet to act.
9. The rig lowering control system of claim 8, wherein the valve island includes a proportional valve.
10. A variable frequency drilling rig comprising a rig lowering control system according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020154683.7U CN211813172U (en) | 2020-02-06 | 2020-02-06 | Drilling machine lowering control system and variable-frequency drilling machine with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020154683.7U CN211813172U (en) | 2020-02-06 | 2020-02-06 | Drilling machine lowering control system and variable-frequency drilling machine with same |
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| CN211813172U true CN211813172U (en) | 2020-10-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112799345A (en) * | 2021-04-13 | 2021-05-14 | 南京我乐家居股份有限公司 | Gang drill on-line production control system and steps |
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2020
- 2020-02-06 CN CN202020154683.7U patent/CN211813172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112799345A (en) * | 2021-04-13 | 2021-05-14 | 南京我乐家居股份有限公司 | Gang drill on-line production control system and steps |
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