CN113925584A - Digital control system of electronic external bone fixator - Google Patents
Digital control system of electronic external bone fixator Download PDFInfo
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- CN113925584A CN113925584A CN202111235272.6A CN202111235272A CN113925584A CN 113925584 A CN113925584 A CN 113925584A CN 202111235272 A CN202111235272 A CN 202111235272A CN 113925584 A CN113925584 A CN 113925584A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00017—Electrical control of surgical instruments
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Abstract
The invention discloses a digital control system of an electronic bone external fixator, which mainly comprises a control end and a bone external fixator, and an operator part which is connected with the control end, wherein the control end is connected with the bone external fixator through a drive wire, and the control end is mainly used for realizing various control functions by matching a control operation circuit with Human Machine Interface (HMI) man-machine interaction. Has the advantages that: according to the invention, the direct current motor provided with the matched encoder is taken as a control object, the PLC motion controller is taken as a control core, and the touch screen is matched, so that the automatic adjustment of the length of each electric telescopic rod of the digital external bone fixator is realized, the complex operation of manual adjustment of the external bone fixator during fixation is effectively avoided, the adjustment and use efficiency of the external bone fixator is greatly improved, the practicability of the system is better, and the intelligent degree is higher.
Description
Technical Field
The invention relates to the technical field of external fixation of bone puncture needles, in particular to a digital control system of an electronic external bone fixator.
Background
In the external fixing technology of the bone puncture needle, the external fixing frame still has the problems of complicated manual operation, high operation technical requirement, inevitable manual error, incapability of realizing digital adjustment and digital measurement, various limitations caused by the structural defects of the external fixing frame, and the like.
In order to solve the problems, the improved digital external fixator can be used for realizing electronic improvement of an external fixator, and the operation is realized by depending on a digital control system while the electronic improvement of the external fixator is realized.
Disclosure of Invention
The present invention is directed to solving the above problems and providing a numerical control system for an electronic external bone fixator.
The invention realizes the purpose through the following technical scheme:
the digital control system mainly comprises a control end and an external bone fixator, and an operator part which is connected with the control end, wherein the control end is connected with the external bone fixator through a driving wire, the control end is mainly matched with Human Machine Interface (HMI) man-machine interaction by a control operation circuit to realize various control functions, a controlled part on the external bone fixator is a six-degree-of-freedom parallel electric support rod, a micro direct current motor is installed at the power end of the six-degree-of-freedom parallel electric support rod, an encoder is installed at the wiring end of the micro direct current motor, and a displacement sensor is installed at the movable end of the six-degree-of-freedom parallel electric support rod.
Furthermore, the control operation circuit comprises a PLC motion controller, an amplifying circuit and a frequency converter, wherein the PLC motion controller adopts a programmable memory, the programmable memory stores instructions for executing operations such as logic operation, sequence control, timing, counting, arithmetic operation and the like, and controls various types of mechanical equipment or production processes through digital or analog input and output, and the operations of position closed loop, emergency stop and real-time control programs in the extraosseous fixation control system are carried out in the programmable memory; the amplifying circuit is mainly used for amplifying an output signal of a Hall encoder installed on the micro direct current motor so that the output signal of the micro direct current motor can be recognized by the PLC motion controller; the frequency converter is mainly used for realizing speed change and direction conversion of the micro direct current motor, and meanwhile, the frequency converter can also be used as a protection device of the micro direct current motor.
Furthermore, the HMI human-computer interaction adopts a touch display screen with the resolution of 800 multiplied by 600, and the HMI human-computer interaction is communicated with the PLC in an even verification mode through a modbus communication protocol; the function key position of the operation program interface corresponds to a corresponding register on the PLC motion controller, and the function of writing and monitoring the corresponding register of the PLC motion controller can be carried out on the interaction interface; the main functions of HMI human-machine interaction include: displacement input, starting adjustment, emergency stop button, real-time output, interface switching and pulse counting monitoring.
Furthermore, the driving wire comprises a motor power supply positive and negative wire, an encoder power supply positive and negative wire and an encoder signal output wire, the six wires fix the output ends through plugs, and the setting obtained according to the setting software guides the encoder sockets of the direct current motors on the corresponding telescopic rods.
Further, the use method of the system is as follows: after the digital external bone fixator is installed on a patient, the displacement sensor automatically measures related data and transmits the data to the computer system, the computer system calculates to obtain an adjustment scheme of the external bone fixator, the driving wire is connected to the driving socket of the target electric telescopic rod according to the information provided by scheme software strictly according to the prescription information, the scheme data is input into the touch screen of the control end, the adjustment of the digital external bone fixator is waited to be completed after the adjustment is started, then the driving wire is taken down, the adjustment of one electric telescopic rod is completed, the operation is repeated for the adjustment of other electric telescopic rods until the length adjustment of all the electric telescopic rods in the scheme information is completed, namely the use of the digital external bone fixator system is completed, the adjustment condition can be automatically fed back in the later period, and the automatic correction can be carried out.
The invention has the beneficial effects that:
according to the invention, the direct current motor provided with the matched encoder is taken as a control object, the PLC motion controller is taken as a control core, and the touch screen is matched, so that the automatic adjustment of the length of each electric telescopic rod of the digital external bone fixator is realized, the complex operation of manual adjustment of the external bone fixator during fixation is effectively avoided, the adjustment and use efficiency of the external bone fixator is greatly improved, the practicability of the system is better, and the intelligent degree is higher.
Drawings
Fig. 1 is a block diagram illustrating a digital control system of an electronic external bone fixator according to the present invention;
fig. 2 is a structural block diagram of a control end in the digital control system of the electronic external bone fixator according to the present invention.
Detailed Description
The digital control system mainly comprises a control end and an external bone fixator, and an operator part which is connected with the control end, wherein the control end is connected with the external bone fixator through a driving wire, the control end is mainly matched with Human Machine Interface (HMI) man-machine interaction by a control operation circuit to realize various control functions, a controlled part on the external bone fixator is a six-degree-of-freedom parallel electric support rod, a micro direct current motor is installed at the power end of the six-degree-of-freedom parallel electric support rod, an encoder is installed at the wiring end of the micro direct current motor, and a displacement sensor is installed at the movable end of the six-degree-of-freedom parallel electric support rod.
In this embodiment, the control operation circuit includes a PLC motion controller, an amplifying circuit, and a frequency converter, wherein the PLC motion controller uses a programmable memory, and stores therein instructions for performing operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controls various types of mechanical devices or production processes through digital or analog input/output, and the operations of a position closed loop, an emergency stop, and a real-time control program in the extraosseous fixation control system are performed therein; the amplifying circuit is mainly used for amplifying an output signal of a Hall encoder installed on the micro direct current motor so that the output signal of the micro direct current motor can be recognized by the PLC motion controller; the frequency converter is mainly used for realizing speed change and direction conversion of the micro direct current motor, and meanwhile, the frequency converter can also be used as a protection device of the micro direct current motor.
In the embodiment, the HMI adopts a touch display screen with the resolution of 800 multiplied by 600 for human-computer interaction, and communicates with the PLC in an even check mode through a modbus communication protocol; the function key position of the operation program interface corresponds to a corresponding register on the PLC motion controller, and the function of writing and monitoring the corresponding register of the PLC motion controller can be carried out on the interaction interface; the main functions of HMI human-machine interaction include: displacement input, starting adjustment, emergency stop button, real-time output, interface switching and pulse counting monitoring.
In this embodiment, the drive wire includes motor power line positive and negative line, encoder signal output line, and six lines are fixed the output through the plug, and direct current motor's on the corresponding telescopic link encoder socket is connected according to setting for that the software obtained is instructed.
In this embodiment, the use method of the system is as follows: after the digital external bone fixator is installed on a patient, the displacement sensor automatically measures related data and transmits the data to the computer system, the computer system calculates to obtain an adjustment scheme of the external bone fixator, the driving wire is connected to the driving socket of the target electric telescopic rod according to the information provided by scheme software strictly according to the prescription information, the scheme data is input into the touch screen of the control end, the adjustment of the digital external bone fixator is waited to be completed after the adjustment is started, then the driving wire is taken down, the adjustment of one electric telescopic rod is completed, the operation is repeated for the adjustment of other electric telescopic rods until the length adjustment of all the electric telescopic rods in the scheme information is completed, namely the use of the digital external bone fixator system is completed, the adjustment condition can be automatically fed back in the later period, and the automatic correction can be carried out.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A digital control system of an electronic external bone fixator is characterized in that: the system mainly comprises a control end and an external bone fixator, and an operator part is connected with the control end, the control end is connected with the external bone fixator through a driving wire, the control end is mainly matched with Human Machine Interface (HMI) man-machine interaction by a control operation circuit to realize various control functions, a controlled part on the external bone fixator is a six-degree-of-freedom parallel electric support rod, a micro direct current motor is installed at the power end of the six-degree-of-freedom parallel electric support rod, an encoder is installed at the wiring end of the micro direct current motor, and a displacement sensor is installed at the movable end of the six-degree-of-freedom parallel electric support rod.
2. The digital control system of an electronic external bone fixator according to claim 1, wherein: the control operation circuit comprises a PLC motion controller, an amplifying circuit and a frequency converter, wherein the PLC motion controller adopts a programmable memory, the programmable memory stores instructions for executing operations such as logic operation, sequence control, timing, counting, arithmetic operation and the like, and controls various types of mechanical equipment or production processes through digital or analog input and output, and the operations of position closed loop, emergency stop and real-time control programs in the extraosseous fixed control system are carried out in the programmable memory; the amplifying circuit is mainly used for amplifying an output signal of a Hall encoder installed on the micro direct current motor so that the output signal of the micro direct current motor can be recognized by the PLC motion controller; the frequency converter is mainly used for realizing speed change and direction conversion of the micro direct current motor, and meanwhile, the frequency converter can also be used as a protection device of the micro direct current motor.
3. The digital control system of an electronic external bone fixator according to claim 1, wherein: the HMI adopts a touch display screen with 800 multiplied by 600 resolution ratio, and communicates with the PLC in an even check mode through a modbus communication protocol; the function key position of the operation program interface corresponds to a corresponding register on the PLC motion controller, and the function of writing and monitoring the corresponding register of the PLC motion controller can be carried out on the interaction interface; the main functions of HMI human-machine interaction include: displacement input, starting adjustment, emergency stop button, real-time output, interface switching and pulse counting monitoring.
4. The digital control system of an electronic external bone fixator according to claim 1, wherein: the drive wire includes motor power positive and negative line, encoder signal output line, and six lines are fixed output end through the plug, and direct current motor's on the corresponding telescopic link encoder socket is connected according to the instruction of setting that sets for software and obtaining.
5. The digital control system of an electronic external bone fixator according to claim 1, wherein: the use method of the system is as follows: after the digital external bone fixator is installed on a patient, the displacement sensor automatically measures related data and transmits the data to the computer system, the computer system calculates to obtain an adjustment scheme of the external bone fixator, the driving wire is connected to the driving socket of the target electric telescopic rod according to the information provided by scheme software strictly according to the prescription information, the scheme data is input into the touch screen of the control end, the adjustment of the digital external bone fixator is waited to be completed after the adjustment is started, then the driving wire is taken down, the adjustment of one electric telescopic rod is completed, the operation is repeated for the adjustment of other electric telescopic rods until the length adjustment of all the electric telescopic rods in the scheme information is completed, namely the use of the digital external bone fixator system is completed, the adjustment condition can be automatically fed back in the later period, and the automatic correction can be carried out.
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| CN202111235272.6A CN113925584A (en) | 2021-10-22 | 2021-10-22 | Digital control system of electronic external bone fixator |
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