CN111759349A - Ultrasonic imaging apparatus and control method thereof - Google Patents
Ultrasonic imaging apparatus and control method thereof Download PDFInfo
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- CN111759349A CN111759349A CN202010645949.2A CN202010645949A CN111759349A CN 111759349 A CN111759349 A CN 111759349A CN 202010645949 A CN202010645949 A CN 202010645949A CN 111759349 A CN111759349 A CN 111759349A
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- 238000012285 ultrasound imaging Methods 0.000 claims description 23
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Abstract
The embodiment of the invention provides ultrasonic imaging equipment and a control method thereof. The method comprises the following steps: sending query instructions to an operation panel through a serial port periodically; if the response message of the operation panel to the query instruction is not received within the preset time period, closing the serial port; controlling a serial interface circuit of the operation panel to be powered off and powered on again; and opening the serial port, and reestablishing the connection with the operation panel through the serial port. According to the method, the serial port communication fault can be found in time by sending the query command regularly; when the serial port communication fails, the serial interface circuit of the operation panel is powered off and powered on again to be connected with the operation panel again, and the operation panel is not required to be powered off and restarted, so that the time is saved.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to ultrasonic imaging equipment and a control method thereof.
Background
The medical ultrasonic imaging equipment transmits ultrasonic waves to human tissues through the ultrasonic probe and receives ultrasonic echo signals returned by the human tissues, and ultrasonic images reflecting the internal information of the human tissues are obtained by analyzing and processing the ultrasonic echo signals.
An ultrasound imaging apparatus generally includes a main unit for analyzing and processing ultrasound echo signals and an operation panel for human-computer interaction. The function keys, the encoder, and the Time Gain Compensation (TGC) potentiometer on the operation panel need to communicate with the host computer through a serial port. Because the serial port does not support hot plug, when the serial port communication fails, the serial port communication needs to be shut down and restarted, and the time consumption is long.
Disclosure of Invention
The embodiment of the invention provides an ultrasonic imaging device and a control method thereof, which are used for solving the problems that the conventional ultrasonic imaging device needs to be shut down and restarted when the serial port communication fails, and the time consumption is long.
In a first aspect, an embodiment of the present invention provides a method for controlling an ultrasound imaging apparatus, which is applied to a host of the ultrasound imaging apparatus, and includes:
sending query instructions to an operation panel through a serial port periodically;
if the response message of the operation panel to the query instruction is not received within the preset time period, closing the serial port;
controlling a serial interface circuit of the operation panel to be powered off and powered on again;
and opening the serial port, and reestablishing the connection with the operation panel through the serial port.
In one embodiment, before the serial port is closed, the method further includes:
and saving the current working parameters of the operation panel, wherein the working parameters comprise at least one of the currently selected function menu, the currently selected check mode and the state of the backlight lamp.
In one embodiment, after the connection is reestablished with the operation panel through the serial port, the method further includes:
and restoring the saved operating parameters.
In one embodiment, controlling the serial interface circuit of the operating panel to power down and power back up comprises:
and controlling the serial interface circuit of the operation panel to be powered off and powered on again through the power supply enabling signal.
In a second aspect, an embodiment of the present invention provides a control device for an ultrasonic imaging apparatus, including:
the sending module is used for sending a query instruction to the operation panel periodically through the serial port;
the processing module is used for closing the serial port if the response message of the operation panel to the query instruction is not received within a preset time period;
the control module is used for controlling the serial interface circuit of the operation panel to be powered off and powered on again;
and the connection module is used for reestablishing connection with the operation panel through the serial port.
In a third aspect, an embodiment of the present invention provides an ultrasound imaging apparatus, including: the host computer is in communication connection with the operation panel through a serial port;
the host comprises a processor and a power supply control circuit, the power supply control circuit is respectively connected with the processor and a power supply enabling end of the serial interface circuit of the operation panel and is used for controlling the power supply of the serial interface circuit of the operation panel based on an instruction sent by the processor, and the processor is in signal connection with the operation panel through a serial port;
the processor periodically sends a query instruction to the operation panel and receives a response message returned by the operation panel, if the response message of the operation panel to the query instruction is not received within a preset time period after the query instruction is sent, the serial port is closed, serial port fault elimination operation is carried out, a control instruction is sent to the power control circuit, the serial port is opened after the serial interface circuit of the operation panel is electrified again, and connection is reestablished with the operation panel through the serial port;
after the power supply control circuit receives the control instruction, the serial interface circuit of the operation panel is controlled to be powered off and powered on again through the power supply enabling signal;
and the processor is used for opening the serial port and reestablishing connection with the operation panel through the serial port after the serial interface circuit of the operation panel is electrified again.
In one embodiment, the processor is further configured to save current operating parameters of the operating panel before the serial port is turned off, the operating parameters including at least one of a currently selected function menu, a currently selected check mode, and a state of the backlight.
In one embodiment, the processor is further configured to restore the saved operating parameters after reestablishing the connection with the operating panel via the serial port.
In one embodiment, the serial port failover operation performed by the processor includes: and closing the serial port and modifying the serial port equipment authority.
In a fourth aspect, the embodiment of the present invention provides a computer-readable storage medium, in which computer-executable instructions are stored, and when the computer-executable instructions are executed by a processor, the computer-readable storage medium is used for implementing the control method of the ultrasound imaging apparatus according to any one of the first aspect.
According to the ultrasonic imaging equipment and the control method thereof provided by the embodiment of the invention, the query instruction is periodically sent to the operation panel through the serial port; if the response message of the operation panel to the query instruction is not received within the preset time period, closing the serial port; controlling a serial interface circuit of the operation panel to be powered off and powered on again; and opening the serial port, and reestablishing the connection with the operation panel through the serial port. According to the method, the serial port communication fault can be found in time by sending the query command regularly; when the serial port communication fails, the serial interface circuit of the operation panel is powered off and powered on again to be connected with the operation panel again, and the operation panel is not required to be powered off and restarted, so that the time is saved.
Drawings
Fig. 1 is a schematic diagram illustrating region division of an operation panel according to an embodiment of the present invention;
fig. 2 is a flowchart of an embodiment of a control method of an ultrasonic imaging apparatus provided in the present invention;
fig. 3 is a flowchart of a control method of an ultrasonic imaging apparatus according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a control device of an ultrasonic imaging apparatus provided by the present invention;
fig. 5 is a schematic structural diagram of an embodiment of an ultrasound imaging apparatus provided in the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
Fig. 1 is a schematic diagram illustrating region division of an operation panel according to an embodiment of the present invention. As shown in fig. 1, the operation panel includes a Universal Serial Bus (USB) interface area and a Serial port area. The USB Interface area comprises universal Human Interface Device (HID) standard equipment such as a keyboard, a mouse, a track ball and the like, and is communicated with a host of the ultrasonic imaging equipment through the USB Interface; the serial port area comprises a function key, an encoder, a Time Gain Compensation (TGC) potentiometer and a Micro Control Unit (MCU)/Field Programmable Gate Array (FPGA), and is communicated with a host of the ultrasonic imaging device through a serial port. Unless otherwise specified, the operation panel referred to herein refers to a serial port area of the operation panel.
Fig. 2 is a flowchart of an embodiment of a control method for an ultrasound imaging apparatus according to the present invention, which is applied to a host of the ultrasound imaging apparatus. As shown in fig. 2, the control method of the ultrasound imaging apparatus provided in the present embodiment may include:
and S101, regularly sending an inquiry instruction to an operation panel through a serial port.
The host of the ultrasonic imaging equipment periodically sends an inquiry instruction to the operation panel through the serial port. The host may send the query command via the serial port at a preset frequency, for example, at a frequency of 1 time per second. In an alternative embodiment, a setting interface may be provided for a user to set the frequency of sending query instructions. The user may set the transmission frequency according to the actual usage scenario, for example, the transmission frequency may be set to be 1 time every 10 seconds.
And S102, judging whether a response message of the operation panel to the query instruction is received within a preset time period. If yes, indicating that the serial port communication is normal, continuously executing the step S101; if not, indicating that the serial port communication fails, executing step S104.
When the operation panel receives the query instruction sent by the host, a response message aiming at the query instruction is sent to the host. When serial communication fails, the operation panel may not receive the query instruction, or fails to send a response message to the host. Therefore, after the host sends the query instruction, the host can start the timer, and if the timer is overtime and does not receive the response message, the serial port communication fault is indicated. For example, a 3 second timer may be set for a transmission frequency of 1 time per second.
By periodically sending the query instruction, the serial port communication fault can be timely detected.
And S104, closing the serial port.
When the host of the ultrasonic imaging equipment determines that the serial port communication fails, the serial port is closed so as to remove the current failed serial port.
And S105, controlling the serial interface circuit of the operation panel to be powered off and powered on again.
After the host computer of the ultrasonic imaging equipment closes the serial port, the control operation panel is powered off and powered on again. Specifically, the power-off and power-up of the operation panel can be controlled by the power supply enable signal.
The main body of the ultrasonic imaging device can be internally provided with a power supply control board which is used for controlling the power supply of the main body and the operation panel. The power supply control board can be connected with the power supply enabling end of the operation panel and sends a power supply enabling signal to the operation panel. For example, the serial interface circuit of the operation panel may be first controlled to be powered off by the power enable disable signal, and then controlled to be powered on again by the power enable signal after a preset time interval, for example, 2 seconds.
And S106, opening the serial port, and reestablishing the connection with the operation panel through the serial port.
After the operation panel is powered on again, the host can modify the serial port equipment authority, then open the serial port, and reestablish the connection with the operation panel through the serial port to carry out communication.
According to the control method of the ultrasonic imaging equipment, the query instruction is periodically sent to the operation panel through the serial port; if the response message of the operation panel to the query instruction is not received within the preset time period, closing the serial port; controlling a serial interface circuit of the operation panel to be powered off and powered on again; and opening the serial port, and reestablishing the connection with the operation panel through the serial port. By regularly sending query instructions, serial communication faults can be found in time; when the serial port communication fails, the serial port is closed, the operation panel is powered off and powered on again, then the serial port is opened, connection with the operation panel is reestablished, and the failure is rapidly eliminated. In summary, the control method of the ultrasonic imaging apparatus provided in this embodiment can not only quickly identify the serial communication fault, but also quickly remove the serial communication fault, and when the serial communication fault occurs, the control method does not need to be shut down and restarted, thereby saving time.
The ultrasonic imaging device usually provides different examination modes and corresponding function menus for different human tissue parts, medical staff need to select the examination modes and the function menus according to specific conditions of patients and personal operation habits, and a backlight lamp is usually arranged on an operation panel for indicating the selected examination modes and function menus. If serial port communication faults occur, the faults are eliminated in a mode of shutdown and restart, so that the equipment is restarted, the time consumption is long, medical staff needs to reselect an examination mode and a function menu and restart to examine a patient, and the precious time of the medical staff and the patient is greatly wasted.
Therefore, in order to eliminate serial port communication failure without being perceived by the user, on the basis of the above embodiment, the method provided by this embodiment further includes, before the serial port is closed: and saving the current working parameters of the operation panel, wherein the working parameters comprise at least one of the currently selected function menu, the currently selected check mode and the state of the backlight lamp.
That is to say, when the host determines that the serial port communication fault occurs, the current working parameters of the operation panel are saved. In this embodiment, the working parameters may be stored in a storage device inside the host, or the working parameters may be stored in a storage device outside the host. The operating parameter may include at least one of a currently selected function menu, a currently selected inspection mode, and a state of the backlight.
Further, after the connection with the operation panel is reestablished through the serial port, the saved working parameters are restored. Specifically, the host computer of the ultrasonic imaging device reads the saved working parameters from the storage device at first, the examination mode and the function menu are set according to the obtained working parameters, then the working parameters are sent to the operation panel, so that the operation panel sets the state of the backlight lamp according to the working parameters, and finally the ultrasonic imaging device is recovered to the state before the fault.
Fig. 3 is a flowchart of a control method of an ultrasound imaging apparatus according to another embodiment of the present invention, which is applied to a host of the ultrasound imaging apparatus. As shown in fig. 3, the control method of the ultrasound imaging apparatus provided in the present embodiment may include:
and S101, regularly sending an inquiry instruction to an operation panel through a serial port.
And S102, judging whether a response message of the operation panel to the query instruction is received within a preset time period. If yes, indicating that the serial port communication is normal, continuously executing the step S101; if not, it indicates that the serial port communication fails, then step S103 is executed.
S103, saving the current working parameters of the operation panel.
And S104, closing the serial port.
And S105, controlling the serial interface circuit of the operation panel to be powered off and powered on again.
And S106, opening the serial port, and reestablishing the connection with the operation panel through the serial port.
And S106, restoring the stored working parameters.
On the basis of the above embodiment, the control method of the ultrasonic imaging apparatus provided in this embodiment further saves the current working parameters of the operation panel before the serial port is closed, and restores the saved working parameters after the connection is reestablished, so that not only can the serial port communication fault be detected and eliminated, but also the ultrasonic imaging apparatus can be restored to the state before the fault after the serial port communication fault is eliminated, so that the fault is eliminated without the perception of the user, the time is further saved, and the user experience is improved.
Fig. 4 is a schematic structural diagram of an embodiment of a control device of an ultrasonic imaging apparatus provided in the present invention. As shown in fig. 4, the control device 40 of the ultrasound imaging apparatus provided in the present embodiment may include: a sending module 401, a processing module 402, a control module 403 and a connection module 404.
A sending module 401, configured to send a query instruction to the operation panel periodically through the serial port;
the processing module 402 is configured to close the serial port if a response message of the operation panel to the query instruction is not received within a preset time period;
a control module 403 for controlling the serial interface circuit of the operation panel to be powered off and powered on again;
and a connection module 404, configured to reestablish a connection with the operation panel through the serial port.
The control device of the ultrasound imaging apparatus provided in this embodiment may be used to execute the technical solution of the method embodiment corresponding to fig. 2, and the implementation principle and the technical effect are similar, which are not described herein again.
In one embodiment, the control device 40 of the ultrasound imaging apparatus may further include a saving module (not shown in the figure) for saving current operating parameters of the operation panel before the serial port is turned off, the operating parameters including at least one of a currently selected function menu, a currently selected inspection mode, and a state of the backlight.
In one embodiment, the control device 40 of the ultrasound imaging apparatus may further include a recovery module (not shown in the figure) for recovering the saved operating parameters after the connection with the operation panel is reestablished through the serial port.
In one embodiment, the control module 403 is configured to control the serial interface circuit of the operation panel to be powered off and powered back on by the power supply enable signal.
Fig. 5 is a schematic structural diagram of an embodiment of an ultrasound imaging apparatus provided in the present invention. As shown in fig. 5, the ultrasound imaging apparatus provided in the present embodiment may include: the host computer 1 and the operation panel 2 are connected through serial port communication.
The host 1 comprises a processor 10 and a power control circuit 11, wherein the power control circuit 11 is respectively connected with the processor 10 and a power supply enabling end of a serial interface circuit 21 of the operation panel 2 and is used for controlling power supply of the serial interface circuit 21 of the operation panel 2 based on an instruction sent by the processor 10, and the processor 10 is in signal connection with the operation panel 2 through a serial port.
The processor 10 periodically sends an inquiry instruction to the operation panel 2, receives a response message returned by the operation panel 2, closes the serial port if the response message of the operation panel 2 to the inquiry instruction is not received within a preset time period after the inquiry instruction is sent, performs serial port fault elimination operation, sends a control instruction to the power control circuit 11, opens the serial port after the serial interface circuit 21 of the operation panel 2 is powered on again, and reestablishes connection with the operation panel 2 through the serial port. Performing a serial port failover operation may include, for example, shutting down the serial port and modifying the serial device permissions.
The power control circuit 11 controls the serial interface circuit 21 of the operation panel 2 to be powered off and powered on again by the power supply enable signal after receiving the control instruction. Specifically, after receiving the control instruction, the power control circuit 11 first controls the serial interface circuit 21 of the operation panel 2 to power off through the power supply enable signal, and then controls the serial interface circuit 21 of the operation panel 2 to power on again through the power supply enable signal after a preset time period, for example, 2 seconds.
The processor 10 is configured to open the serial port and reestablish a connection with the operation panel 2 through the serial port after the serial interface circuit 21 of the operation panel 2 is powered on again.
In one embodiment, the processor 10 is further configured to save current operating parameters of the operation panel 2 before the serial port is turned off, the operating parameters including at least one of a currently selected function menu, a currently selected check mode, and a state of the backlight.
In one embodiment, the processor 10 is further configured to restore the saved operating parameters after re-establishing the connection with the operation panel 2 via the serial port.
The processor 10 may be an integrated circuit chip having signal processing capabilities. The Processor 10 may also be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and so on. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. It will be appreciated that the configuration of fig. 5 is merely illustrative and may include more or fewer components than shown in fig. 5 or have a different configuration than shown in fig. 5. The components shown in fig. 5 may be implemented in hardware and/or software.
Reference is made herein to various exemplary embodiments. However, those skilled in the art will recognize that changes and modifications may be made to the exemplary embodiments without departing from the scope hereof. For example, the various operational steps, as well as the components used to perform the operational steps, may be implemented in differing ways depending upon the particular application or consideration of any number of cost functions associated with operation of the system (e.g., one or more steps may be deleted, modified or incorporated into other steps).
Additionally, as will be appreciated by one skilled in the art, the principles herein may be reflected in a computer program product on a computer readable storage medium, which is pre-loaded with computer readable program code. Any tangible, non-transitory computer-readable storage medium may be used, including magnetic storage devices (hard disks, floppy disks, etc.), optical storage devices (CD-ROMs, DVDs, Blu Ray disks, etc.), flash memory, and/or the like. These computer program instructions may be loaded onto a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions which execute on the computer or other programmable data processing apparatus create means for implementing the functions specified. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including means for implementing the function specified. The computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (10)
1. A control method of an ultrasonic imaging device is applied to a host of the ultrasonic imaging device, and is characterized by comprising the following steps:
sending query instructions to an operation panel through a serial port periodically;
if the response message of the operation panel to the query instruction is not received within a preset time period, closing the serial port;
controlling a serial interface circuit of the operation panel to be powered off and powered on again;
and opening the serial port, and reestablishing connection with the operation panel through the serial port.
2. The method of claim 1, wherein prior to said shutting down the serial port, the method further comprises:
saving the current working parameters of the operation panel, wherein the working parameters comprise at least one of the currently selected function menu, the currently selected check mode and the state of the backlight lamp.
3. The method of claim 2, wherein after reestablishing the connection with the operations panel via the serial port, the method further comprises:
and restoring the saved operating parameters.
4. The method of any of claims 1-3, wherein the controlling the serial interface circuit of the operations panel to power down and power up again comprises:
and controlling the serial interface circuit of the operation panel to be powered off and powered on again through the power supply enabling signal.
5. A control device of an ultrasonic imaging apparatus, characterized by comprising:
the sending module is used for sending a query instruction to the operation panel periodically through the serial port;
the processing module is used for closing the serial port if the response message of the operation panel to the query instruction is not received within a preset time period;
the control module is used for controlling the serial interface circuit of the operation panel to be powered off and powered on again;
and the connection module is used for reestablishing connection with the operation panel through the serial port.
6. An ultrasound imaging apparatus, comprising: the host computer is in communication connection with the operation panel through a serial port;
the host comprises a processor and a power supply control circuit, the power supply control circuit is respectively connected with the processor and a power supply enabling end of the serial interface circuit of the operation panel and is used for controlling the power supply of the serial interface circuit of the operation panel based on an instruction sent by the processor, and the processor is in signal connection with the operation panel through a serial port;
the processor periodically sends a query instruction to the operation panel and receives a response message returned by the operation panel, if the response message of the operation panel to the query instruction is not received within a preset time period after the query instruction is sent, the serial port is closed, serial port fault elimination operation is carried out, a control instruction is sent to the power control circuit, the serial port is opened after the serial interface circuit of the operation panel is electrified again, and connection is reestablished with the operation panel through the serial port;
after the power supply control circuit receives the control instruction, the serial interface circuit of the operation panel is controlled to be powered off and powered on again through the power supply enabling signal;
and the processor is used for opening the serial port and reestablishing connection with the operation panel through the serial port after the serial interface circuit of the operation panel is electrified again.
7. The ultrasound imaging device of claim 6, wherein the processor is further configured to save current operating parameters of the operating panel before the serial port is turned off, the operating parameters including at least one of a currently selected function menu, a currently selected inspection mode, and a status of a backlight.
8. The ultrasound imaging device of claim 7, wherein the processor is further configured to restore the saved operating parameters after reestablishing the connection with the operator panel via the serial port.
9. The ultrasound imaging device of any of claims 6-8, wherein the processor performing serial port troubleshooting operations comprises:
and closing the serial port and modifying the serial port equipment authority.
10. A computer-readable storage medium having stored therein computer-executable instructions for implementing the method of controlling an ultrasound imaging apparatus according to any one of claims 1 to 4 when executed by a processor.
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