An electronic knob

Abstract

The specification discloses an electronic knob, which comprises a sensor, a knob shell, a control unit, a display unit and a motor, the motor is located in the knob shell, the sensor sends an electric signal of rotation of the electronic knob to the control unit, the control unit determines display information and a rotation angle of the electronic knob according to the received electric signal, sends the display information to the display unit, determines a torque signal corresponding to the rotation angle according to a preset relationship between the rotation angle and a resistance torque, and sends the torque signal to the motor, and the motor outputs the resistance torque according to the received torque signal. By controlling the control unit to output different torque signals in the electronic knob, the corresponding motor is controlled to output different resistance torques, the functions of various types of knobs are realized, and the production cost of manufacturers is saved.

Description

Technical Field

[0001] This manual relates to the field of industrial components, and in particular to an electronic knob. Background Technology

[0002] Currently, electronic knobs are important components in the industrial field. Users adjust the operation of specific equipment by using electronic knobs installed on them. As a result, various types of electronic knobs have emerged. The most common way to distinguish them is by whether they have adjustable positions, dividing them into adjustable knobs and non-adjustable knobs.

[0003] However, due to the different structures of limit knobs and limitless knobs, manufacturers have to redesign the knob structure to meet different needs when producing electronic knobs, which greatly increases the cost of producing and assembling knobs.

[0004] Therefore, a new electronic knob was provided. Summary of the Invention

[0005] An electronic knob, the electronic knob comprising: a sensor, a knob housing, a control unit, a display unit, and a motor, the motor being located inside the knob housing;

[0006] The sensor is used to send the electrical signal generated by rotating the electronic knob to the control unit;

[0007] The control unit is configured to determine the display information corresponding to the received electrical signal and the rotation angle of the electronic knob based on the received electrical signal, send the display information to the display unit, and determine the torque signal corresponding to the rotation angle of the electronic knob based on the preset relationship between the rotation angle and the resistance torque, and send the torque signal to the motor.

[0008] The display unit is used to display the received display information;

[0009] The motor is used to output a resistance torque based on the received torque signal.

[0010] Optionally, the electronic knob further includes a touch button located at the bottom of the knob housing;

[0011] The touch button is used to send the pressing signal generated by pressing the electronic knob to the control unit;

[0012] The control unit is further configured to determine a target function from at least two preset candidate functions based on the received pressing signal, determine the control signal of the electronic knob corresponding to the target function based on the rotation angle, and output the control signal, and determine the display information corresponding to the target function based on the electrical signal.

[0013] Optionally, the control unit is further configured to determine the torque signal corresponding to the rotation angle under the target function based on a preset relationship between the rotation angle and the resistance torque under the target function.

[0014] Optionally, the display unit includes: a display screen and indicator lights;

[0015] The control unit is configured to determine the indication signal corresponding to the target function based on the display information corresponding to the target function, and send the display information to the display screen and the indication signal to the indicator light.

[0016] The display screen is used to display the display information corresponding to the received target function;

[0017] The indicator light is used to illuminate according to the received indication signal.

[0018] Optionally, the display unit abuts against the top inside the knob housing, and the top of the knob housing is transparent;

[0019] The sensor is a Hall effect sensor, located inside the knob housing, and the central axis of the sensor is coaxial with the central axis of the electronic knob.

[0020] Optionally, the display screen abuts against the top inside the knob housing, and the top of the knob housing is transparent;

[0021] The indicator light is ring-shaped and is connected to the bottom of the electronic knob.

[0022] Optionally, the device containing the electronic knob includes: a communication unit;

[0023] The control unit is configured to determine the identifier of the target unit corresponding to the target function, determine the control signal carrying the identifier, and send the control signal to the communication unit;

[0024] The communication unit is configured to determine the target unit based on the identifier carried by the received control signal, send the control signal to the target unit, and control the target unit.

[0025] Optionally, the relationship between the rotation angle and the resistance torque includes the correspondence between the angle of each gear and the resistance torque;

[0026] The control unit is further configured to determine a target angle from preset gear angles based on the rotation angle, and to determine a torque signal based on the angle difference between the rotation angle and the target angle, and the correspondence between the gear angles and the resistance torque; wherein, when the angle difference is not greater than a preset value, the smaller the angle difference, the smaller the resistance torque.

[0027] Optionally, the control unit is further configured to determine a continuous torque signal based on the continuous torque corresponding to each preset rotation angle;

[0028] The motor is used to output continuous torque based on the received continuous torque signal.

[0029] A medical device is equipped with an electronic knob for controlling the movement of the medical device;

[0030] The sensor is used to send the electrical signal generated by rotating the electronic knob on the medical device to the control unit;

[0031] The control unit is configured to determine the display information corresponding to the received electrical signal and the rotation angle of the electronic knob based on the received electrical signal, send the display information to the display unit, and determine the torque signal corresponding to the rotation angle of the electronic knob based on a preset relationship between the rotation angle and the resistance torque, and send the torque signal to the motor. The display information is either the transport speed information or the transport direction information of the medical device. When the display information is the transport speed information, the resistance torque is different when the display information is the transport direction information.

[0032] The display unit is used to display the received display information, including the operating speed or direction of the medical device.

[0033] The motor is used to output a resistance torque based on the received torque signal.

[0034] The above-mentioned technical solutions adopted in this specification can achieve the following beneficial effects:

[0035] In an electronic knob provided in this specification, the electronic knob includes: a sensor, a knob housing, a control unit, a display unit, and a motor. The motor is located inside the knob housing. The sensor sends an electrical signal indicating the rotation of the electronic knob to the control unit. Based on the received electrical signal, the control unit determines the display information and the rotation angle of the electronic knob, and sends the display information to the display unit. Based on a preset relationship between the rotation angle and the resistance torque, the control unit determines the torque signal corresponding to the rotation angle and sends the torque signal to the motor. The motor outputs a resistance torque based on the received torque signal.

[0036] As can be seen from the above device, the electronic knob in this solution controls the corresponding motor to output different resistance torques by controlling the control unit to output different torque signals, thereby realizing the functions of various types of knobs and saving the manufacturer's production costs. Attached Figure Description

[0037] The accompanying drawings, which are included to provide a further understanding of this specification and form part of this specification, illustrate exemplary embodiments and are used to explain this specification, but do not constitute an undue limitation thereof. In the drawings:

[0038] Figure 1 An exploded view of an electronic knob provided in this specification;

[0039] Figure 2 This is a functional diagram of the control unit of an electronic knob provided in this specification;

[0040] Figure 3 An exploded view of an electronic knob provided in this specification;

[0041] Figure 4 An exploded view of an electronic knob provided in this specification;

[0042] Figure 5 This is a functional diagram of the control unit of an electronic knob provided in this specification;

[0043] Figure 6 A graph showing the variation of the resistance torque determined by the control unit of an electronic knob provided in this specification;

[0044] Figure 7 This is a schematic diagram illustrating the application of an electronic knob in a medical device, as provided in this manual. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of this specification clearer, the technical solutions of this specification will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this specification, and not all of them. Based on the embodiments in this specification, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this specification.

[0046] The technical solutions provided in the various embodiments of this specification are described in detail below with reference to the accompanying drawings.

[0047] This manual provides an exploded view of an electronic knob, such as... Figure 1As shown, it includes: a knob housing 1, a display unit 2, a motor 3, a sensor 4, a control unit 5, and an electronic knob and a contact surface 6 between the electronic knob and the device in which the electronic knob is located.

[0048] Sensor 4 sends the electrical signal generated by the detected rotation of the electronic knob to control unit 5.

[0049] This instruction manual also provides Figure 1 A schematic diagram of the control unit function of the middle control unit 5 is shown below. Figure 2 As shown, based on the received electrical signal, the corresponding display information is determined, and the rotation angle of the electronic knob is also determined. Then, the display information is sent to display unit 2, and the torque signal corresponding to the rotation angle is calculated based on the relationship between the preset rotation angle and the resistance torque output at that rotation angle. Finally, the torque signal is sent to motor 3. The specific control unit can be any hardware with logic conversion capabilities, typically a microcontroller unit (MCU) and various chips.

[0050] Display unit 2 displays the received display information and the content of the display information.

[0051] Motor 3 is located inside the electronic knob housing. Based on the received torque signal, it outputs a resistance torque to increase the rotational resistance of the electronic knob, thus providing the user with different feel at preset rotation angles.

[0052] In one or more embodiments of this specification, there is a relationship between a preset rotation angle and the resistance torque output at that rotation angle. For example, this relationship may include the fact that any rotation angle always corresponds to the same preset resistance torque, and that different preset resistance torques among multiple knobs correspond to different functions of the device controlled by the electronic knobs. Alternatively, this relationship may also include the fact that the greater the angle difference between the rotation angle and the initial angle, the greater the resistance torque, and that different functions of the device controlled by the electronic knobs are achieved by presetting different resistance increases or non-linearly increasing the resistance torque within the same angle change range.

[0053] based on Figure 1 The provided electronic knobs achieve the functions of various types of knobs by outputting different torques from electronic knobs with the same structure, thus saving production costs.

[0054] Additional information is needed here. Figure 1 The location of sensor 4 is as shown in this manual. Figure 1As shown, the sensor 4 is positioned between the electronic knob and the contact surface 6, but this does not restrict the sensor 4 to this specific location. In other words, as long as the rotation angle of the electronic knob can be acquired, the positional relationship between the sensor 4 and the control unit 5 is not specifically limited, nor is the location of the sensor 4 itself. Similarly, the location of the control unit 5 is not specifically limited, as long as it can acquire the electrical signal from the electronic knob and determine and send display information and torque signals. Likewise, the location of the display unit 2 is not specifically limited, as long as it can display the obtained information to the user.

[0055] Optionally, the display unit 2 in the electronic knob is located inside the knob housing 1 and abuts against the top, with the top of the knob housing 1 being transparent. The sensor 4 is a Hall effect sensor, located inside the knob housing 1, and the central axis of the sensor 4 is coaxial with the central axis of the electronic knob.

[0056] It should be noted that there are no restrictions on the specific transparent part of the knob housing 1, and the content displayed by the corresponding display unit 2 is only required to be displayed through the transparent part of the knob housing. The specific position of the display unit 2 is not restricted.

[0057] Optionally, this instruction manual also provides an exploded view of the electronic knob, such as... Figure 3 As shown, the electronic knob includes: a knob housing 1, a display unit 2, a motor 3, a sensor 4, a control unit 5, a contact surface between the electronic knob and the device on which the electronic knob is located 6, and a touch button 7.

[0058] Optionally, the touch button 7 in the electronic knob is located at the bottom of the knob housing. Responding to user pressure, it sends a press signal generated by the pressed electronic knob to the control unit 5. The control unit 5 first determines the target function from at least two preset candidate functions based on the received press signal. Then, based on the rotation angle, it determines the control signal for the electronic knob corresponding to the target function and outputs the control signal. Finally, based on the electrical signal, it determines the display information corresponding to the target function.

[0059] Optionally, while the control unit 5 in the electronic knob outputs the control signal, it also determines the torque signal corresponding to the rotation angle under the target function according to the preset relationship between the rotation angle and the resistance torque under the target function, and sends it to the motor 3.

[0060] This manual also provides an exploded view of the electronic knob, such as... Figure 4 As shown, the electronic knob includes: a knob housing 1, a display screen 21 of the display unit, an indicator light 22 of the display unit, a motor 3, a sensor 4, a control unit 5, a contact surface between the electronic knob and the device on which the electronic knob is located 6, and a touch button 7.

[0061] Optionally, the control unit 5 in the electronic knob determines the indication signal corresponding to the target function based on the display information corresponding to the target function, sends the display information to the display screen 21, and sends the indication signal to the indicator light 22. The display screen 21 displays the received display information corresponding to the target function, and the indicator light 22 illuminates according to the received indication signal.

[0062] Specifically, indicator light 22 can be a single indicator light or an array of multiple indicator lights. In other words, as long as it can illuminate in response to the indicated signal, the specific form of the indicator light is not specifically limited.

[0063] Optionally, the display screen 21 in the electronic knob is located inside the knob housing 1 and abuts against the top, and the top of the knob housing 1 is transparent. The indicator light 22 in the electronic knob is ring-shaped and is connected to the bottom of the electronic knob.

[0064] Optionally, the control unit 5 in the electronic knob determines the identifier of the target unit corresponding to the target function, determines the control signal carrying the identifier, and then sends the control signal to the communication unit. The communication unit in the electronic knob then determines the target unit based on the identifier carried by the received control signal, and sends a control signal to the target unit to control the target unit.

[0065] This instruction manual also provides Figure 4 Functional diagram of the control unit, as shown below Figure 5 As shown: The control unit in the electronic knob first determines the target function from a set of preset candidate functions based on the received pressing signal. Then, based on the rotation angle, it determines the control signal for the electronic knob corresponding to the target function and outputs the control signal. Subsequently, based on the electrical signal, it determines the display information and indicator signal corresponding to the target function, sending the display information to the display screen and the indicator signal to the indicator light. Based on the preset relationship between the rotation angle and resistance torque under the target function, it determines the torque signal corresponding to the rotation angle under the target function and sends it to the motor. It determines the identifier of the target unit corresponding to the target function and the control signal carrying the identifier, then sends the control signal to the communication unit. The communication unit in the electronic knob, based on the identifier carried by the received control signal, determines the target unit and sends a control signal to the target unit to control it. The display screen shows the received display information corresponding to the target function, the indicator light illuminates according to the received indicator signal, and the communication unit can be a Controller Area Network (CAN) communication bus or other bus.

[0066] Specifically, the communication unit can communicate via a Controller Area Network (CAN).

[0067] Optionally, this manual provides a graph showing the variation of the resistance torque, such as... Figure 6 As shown, the control unit 5 in the electronic knob determines the target angle from the preset angles of each gear position based on the rotation angle. Based on the angle difference between the rotation angle and the target angle, and the correspondence between the angles of each gear position and the resistance torque, the torque signal is determined. Among them, when the angle difference is not greater than the preset value, the smaller the angle difference, the smaller the resistance torque.

[0068] It should be noted here that, in Figure 6 When the angle difference is greater than the preset value, the smaller the angle difference, the greater the resistance torque. However, the way the torque changes is not restricted. For example, discontinuous torque is also possible. As long as the torque is greater than the preset value and the smaller the angle difference, it is greater than the torque when the angle difference is less than the preset value and the angle difference is greater. And the torque when the angle difference is less than the preset value and the angle difference is smaller satisfies the decreasing trend or is always the preset low torque. Other changes in angle difference being greater than or less than the preset value are not restricted.

[0069] Optionally, the control unit 5 in the electronic knob determines the continuous torque signal according to the preset continuous torque corresponding to each rotation angle, and the corresponding motor outputs continuous torque according to the received continuous torque signal.

[0070] Optionally, the control unit 5 in the electronic knob determines the limit torque signal based on the limit torque corresponding to the preset limit rotation angle, and the corresponding motor outputs the limit torque based on the received limit torque signal, so as to limit the maximum size of the knob rotation angle, i.e., the effect of limiting the knob.

[0071] Optionally, the control unit 5 in the electronic knob determines the deviation direction of the rotation angle from the standard angle based on the preset standard angle and rotation angle. Based on the preset relationship between the rotation angle and the resistance torque, it determines the torque signal corresponding to the corrective resistance torque that is opposite to the deviation direction, and causes the corresponding motor to output torque according to the received torque signal, so as to achieve the effect of making the rotation angle of the electronic knob return to the standard angle automatically.

[0072] This manual also provides an exploded view of an electronic knob used in medical devices, such as... Figure 7 As shown:

[0073] The sensor 4 in the electronic knob is used to send the electrical signal generated by rotating the electronic knob on the medical device 8 to the control unit 5.

[0074] The control unit 5 in the electronic knob is configured to determine the display information corresponding to the received electrical signal and the rotation angle of the electronic knob based on the received electrical signal, send the display information to the display unit 2, and determine the torque signal corresponding to the rotation angle of the electronic knob according to the preset relationship between the rotation angle and the resistance torque, and send the torque signal to the motor 3. The display information is the transfer speed information of the medical device 8. When the display information is the transfer speed information, the resistance torque is different from the case where the display information is the transfer direction information.

[0075] The display unit 2 of the electronic knob is configured to display the received display information and display the operation speed information of the medical device 8.

[0076] The motor 3 of the electronic knob is configured to output a resistance torque according to the received torque signal.

[0077] Optionally, the control unit determines the control signal corresponding to the electrical signal and sends it to the electric chassis of the medical device 8 to control the transfer of the medical device.

[0078] Optionally, the electronic knob can also be used to output a control signal for adjusting the operation direction. By presetting different relationships between the rotation angle and the resistance torque in the control unit, a torque signal and display information different from the operation speed are determined, and the operation direction of the medical device is controlled.

[0079] Based on Figure 7 The provided electronic knob outputs different resistance torques through the motor, and with the same electronic knob structure, controls the speed or direction of the transfer control on the medical device, solving the problem of the high cost of using two different-structured knobs to control the transfer of medical equipment, and reducing the production cost of the electronic knob supporting the medical device.

[0080] In the 1990s, improvements to a technology could be clearly distinguished as either hardware improvements (e.g., improvements to the circuit structure of diodes, transistors, switches, etc.) or software improvements (improvements to the methodology). However, with technological advancements, many methodological improvements today can be considered direct improvements to the hardware circuit structure. Designers almost always obtain the corresponding hardware circuit structure by programming the improved methodology into the hardware circuit. Therefore, it cannot be said that a methodological improvement cannot be implemented using hardware physical modules. For example, a Programmable Logic Device (PLD) (such as a Field Programmable Gate Array (FPGA)) is such an integrated circuit whose logic function is determined by the user programming the device. Designers can program and "integrate" a digital system onto a PLD themselves, without needing chip manufacturers to design and manufacture dedicated integrated circuit chips. Furthermore, nowadays, instead of manually manufacturing integrated circuit chips, this programming is mostly implemented using "logic compiler" software. Similar to the software compiler used in program development, the original code before compilation must be written in a specific programming language, called a Hardware Description Language (HDL). There are many HDLs, such as ABEL (Advanced Boolean Expression Language), AHDL (Altera Hardware Description Language), Confluence, CUPL (Cornell University Programming Language), HDCal, JHDL (Java Hardware Description Language), Lava, Lola, MyHDL, PALASM, and RHDL (Ruby Hardware Description Language). Currently, the most commonly used are VHDL (Very-High-Speed ​​Integrated Circuit Hardware Description Language) and Verilog. Those skilled in the art should understand that by simply performing some logic programming on the method flow using one of these hardware description languages ​​and programming it into an integrated circuit, the hardware circuit implementing the logical method flow can be easily obtained.

[0081] The controller can be implemented in any suitable manner. For example, it can take the form of a microprocessor or processor and a computer-readable medium storing computer-readable program code (e.g., software or firmware) executable by the (micro)processor, logic gates, switches, application-specific integrated circuits (ASICs), programmable logic controllers, and embedded microcontrollers. Examples of controllers include, but are not limited to, the following microcontrollers: ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20, and Silicon Labs C8051F320. A memory controller can also be implemented as part of the control logic of the memory. Those skilled in the art will also recognize that, in addition to implementing the controller in purely computer-readable program code form, the same functionality can be achieved by logically programming the method steps to make the controller take the form of logic gates, switches, application-specific integrated circuits, programmable logic controllers, and embedded microcontrollers. Therefore, such a controller can be considered a hardware component, and the means included therein for implementing various functions can also be considered as structures within the hardware component. Alternatively, the means for implementing various functions can be considered as both software modules implementing the method and structures within the hardware component.

[0082] The systems, devices, modules, or units described in the above embodiments can be implemented by computer chips or entities, or by products with certain functions. A typical implementation device is a computer. Specifically, a computer can be, for example, a personal computer, a laptop computer, a cellular phone, a sensor phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or any combination of these devices.

[0083] For ease of description, the above devices are described in terms of function, divided into various units. Of course, in implementing this specification, the functions of each unit can be implemented in one or more software and / or hardware components.

[0084] Those skilled in the art will understand that embodiments of this specification can be provided as methods, systems, or computer program products. Therefore, this specification may take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this specification may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0085] This specification is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this specification. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create a machine for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0086] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0087] These 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, thereby providing instructions that execute on the computer or other programmable apparatus for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0088] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0089] Memory may include non-persistent storage in computer-readable media, such as random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM. Memory is an example of computer-readable media.

[0090] Computer-readable media includes both permanent and non-permanent, removable and non-removable media that can store information using any method or technology. Information can be computer-readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, magnetic magnetic disk storage or other magnetic storage devices, or any other non-transferable medium that can be used to store information accessible by a computing device. As defined herein, computer-readable media does not include transient computer-readable media, such as modulated data signals and carrier waves.

[0091] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0092] Those skilled in the art will understand that the embodiments of this specification can be provided as methods, systems, or computer program products. Therefore, this specification may take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this specification may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0093] This specification can be described in the general context of computer-executable instructions that are executed by a computer, such as program modules. Generally, program modules include routines, programs, objects, components, data structures, etc., that perform a specific task or implement a specific abstract data type. This specification can also be practiced in distributed computing environments, where tasks are performed by remote processing devices connected via a communication network. In distributed computing environments, program modules can reside in local and remote computer storage media, including storage devices.

[0094] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0095] The above description is merely an embodiment of this specification and is not intended to limit this specification. Various modifications and variations can be made to this specification by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this specification should be included within the scope of the claims of this specification.

Claims

1. An electronic knob, characterized in that, The electronic knob includes: a sensor, a knob housing, a control unit, a display unit, and a motor, wherein the motor is located inside the knob housing; The sensor is used to send the electrical signal generated by rotating the electronic knob to the control unit; The control unit is configured to determine the display information corresponding to the received electrical signal and the rotation angle of the electronic knob based on the received electrical signal, send the display information to the display unit, and determine the torque signal corresponding to the rotation angle of the electronic knob based on a preset relationship between the rotation angle and the resistance torque, and send the torque signal to the motor; the control unit is also configured to determine the deviation direction of the rotation angle from the standard angle based on a preset standard angle and the rotation angle, and determine the torque signal corresponding to the correcting resistance torque opposite to the deviation direction based on the preset relationship between the rotation angle and the resistance torque, and send the torque signal corresponding to the correcting resistance torque to the motor; The display unit is used to display the received display information; The motor is used to output a resistance torque according to the received torque signal; the motor is also used to output a corrected resistance torque according to the received torque signal corresponding to the corrected resistance torque, so that the rotation angle of the electronic knob can automatically return to the standard angle.

2. The electronic knob as described in claim 1, characterized in that, The electronic knob further includes a touch button, which is located at the bottom of the knob housing; The touch button is used to send the pressing signal generated by pressing the electronic knob to the control unit; The control unit is further configured to determine a target function from at least two preset candidate functions based on the received pressing signal, determine the control signal of the electronic knob corresponding to the target function based on the rotation angle, and output the control signal, and determine the display information corresponding to the target function based on the electrical signal.

3. The electronic knob as described in claim 2, characterized in that, The control unit is further configured to determine the torque signal corresponding to the rotation angle under the target function based on a preset relationship between the rotation angle and the resistance torque under the target function.

4. The electronic knob as described in claim 2, characterized in that, The display unit includes: a display screen and indicator lights; The control unit is configured to determine the indication signal corresponding to the target function based on the display information corresponding to the target function, and send the display information to the display screen and the indication signal to the indicator light. The display screen is used to display the display information corresponding to the received target function; The indicator light is used to illuminate according to the received indication signal.

5. The electronic knob as described in claim 1, characterized in that, The display unit is located inside the knob housing and abuts against the top; the top of the knob housing is transparent. The sensor is a Hall effect sensor, located inside the knob housing, and the central axis of the sensor is coaxial with the central axis of the electronic knob.

6. The electronic knob as described in claim 4, characterized in that, The display screen is located inside the knob housing and abuts against the top, and the top of the knob housing is transparent; The indicator light is ring-shaped and is connected to the bottom of the electronic knob.

7. The electronic knob as described in claim 2, characterized in that, The device containing the electronic knob includes: a communication unit; The control unit is configured to determine the identifier of the target unit corresponding to the target function, determine the control signal carrying the identifier, and send the control signal to the communication unit; The communication unit is configured to determine the target unit based on the identifier carried by the received control signal, send the control signal to the target unit, and control the target unit.

8. The electronic knob as described in claim 1, characterized in that, The relationship between rotation angle and resistance torque includes the correspondence between the angle and resistance torque for each gear position; The control unit is further configured to determine a target angle from preset gear angles based on the rotation angle, and determine a torque signal based on the angle difference between the rotation angle and the target angle, and the correspondence between the gear angles and the resistance torque; wherein, when the angle difference is not greater than a preset value, the smaller the angle difference, the smaller the resistance torque.

9. The electronic knob as described in claim 1, characterized in that, The control unit is also used to determine a continuous torque signal based on the continuous torque corresponding to each preset rotation angle; The motor is used to output continuous torque based on the received continuous torque signal.

10. A medical device, characterized in that, The medical device is equipped with an electronic knob according to any one of claims 1 to 9, the electronic knob being used to control the transfer of the medical device; The sensor is used to send the electrical signal generated by rotating the electronic knob on the medical device to the control unit; The control unit is configured to determine the display information corresponding to the received electrical signal and the rotation angle of the electronic knob based on the received electrical signal, send the display information to the display unit, and determine the torque signal corresponding to the rotation angle of the electronic knob based on a preset relationship between the rotation angle and the resistance torque, and send the torque signal to the motor. The display information is either the transport speed information or the transport direction information of the medical device. When the display information is the transport speed information, the resistance torque is different when the display information is the transport direction information. The display unit is used to display the received display information, including the operating speed or direction of the medical device. The motor is used to output a resistance torque based on the received torque signal.

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