CN113655845B - Control method of handheld emergency stop device - Google Patents
Control method of handheld emergency stop device Download PDFInfo
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- CN113655845B CN113655845B CN202111218715.0A CN202111218715A CN113655845B CN 113655845 B CN113655845 B CN 113655845B CN 202111218715 A CN202111218715 A CN 202111218715A CN 113655845 B CN113655845 B CN 113655845B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
- G05G1/10—Details, e.g. of discs, knobs, wheels or handles
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
Abstract
The invention discloses a control method of a handheld emergency stop device. The control module and the manual switch are used for achieving the emergency stop function under the combined action, and the control device can also directly send out a trigger signal according to the collected pressure information to control equipment to perform emergency stop; the autonomous trigger function can be used for setting conditions in a self-defining mode according to needs, and the set conditions are hand holding and pressing states of a user in the using process.
Description
Technical Field
The invention belongs to the technical field of emergency stop switches, and particularly relates to a control method of a handheld emergency stop device.
Background
The scram button may also be referred to as an "emergency stop button," which is referred to in the industry as a scram button for short. The emergency stop button is a measure for protecting people by quickly pressing the emergency stop button when an emergency occurs.
The emergency stop button is widely used in equipment in various industries, and in the field of medical instruments, the emergency stop button is defined as: "scram should reduce the risk to an acceptable level; the distance and reaction of the operator to activate the scram device is sufficient to ensure that injury is avoided. The importance of the emergency stop arrangement is thus seen.
According to the above definition, most medical instruments are required to be equipped with emergency stop devices, one of the emergency stop devices frequently used in medical equipment is placed in the hands of patients, and such emergency stop devices are generally hand-held, and emergency switching or stopping measures are performed when the patients need to ensure that the patients do not suffer any harm.
Since the immediate users of such emergency stop devices are mostly patients, a certain operability and reliability of the device is required. The existing emergency stop device is generally arranged on a handle and held in a hand of a patient, a switch key is arranged at the position of a thumb, and after the thumb of the patient presses the switch key, the emergency stop device can send a signal to enable the equipment to enter an emergency stop state. However, considering the self condition of the patient, some patients may have mistaken touch due to tension or other reasons when using the emergency stop device, in order to avoid the mistaken touch, the emergency stop device is designed to be in a state of needing to press a large force to generate an emergency stop signal, and the design can prevent some patients with hand dysfunction from triggering the emergency stop state when pressing the emergency stop device; there are also situations where the user's hands may be jarred, twitched, and these situations may no longer occur normally, but only if an abnormal treatment occurs, which may prevent the patient from triggering an emergency stop when the hand switch is used. There are also some patients who have switch fall-off during use, and the emergency stop device is not held in the hand of the patient in the correct posture during the treatment process, so that the emergency stop device loses the function of the application.
Disclosure of Invention
The invention provides a control method of a handheld emergency stop device, which solves the problem that the existing emergency stop device can not be used when the hands of a patient are obstructed, and even can fall off from the hands of the patient. The hand state detection device has the functions of patient hand state calibration, memory and detection, can detect the hand state of a patient by combining with a detection device arranged on an emergency stop device, prevents a switch from falling off, and can perform trigger state self-defining setting according to the actual condition of the patient and the requirement of a doctor by a control method matched with the control method.
A control method of a hand-held emergency stop device comprises the following steps:
s01: installing a handheld emergency stop device, and identifying and calibrating the initial state of the handheld emergency stop device;
s02: an operator operates the hand-held emergency stop device in a normal state, and identifies and calibrates the holding and switch triggering states of the hand-held emergency stop device;
s03: when the equipment runs, the handheld emergency stop device enters a use process;
s04: detecting the state of the handheld emergency stop device, and comparing and judging the state with the holding state and the switch triggering state of the calibrated handheld emergency stop device; if the holding state is abnormal, executing S06; if the switch triggering state is abnormal, executing S07;
s05: after the handheld sudden stop device is converted from the initial state to the trigger state of the switch, the equipment stops running;
s06: sending out a holding state abnormal signal;
s07: identifying and sending out a switch trigger state abnormal signal, and enabling the switch to enter a trigger state;
the step S01 includes:
s011: identifying the state of the handheld emergency stop device in an initial state, and sending a state abnormal signal if a switch of the handheld emergency stop device is in a trigger state;
s012: identifying the state of each pressure detection device of the hand state detection device in the initial state, including whether the pressure sensor is stressed or not and the stress magnitude, and sending out a state abnormal signal if the pressure sensor is in the stressed state;
s013: after sending out the abnormal state signal, the user eliminates the abnormality and confirms that the current state is the normal state, and then the state is calibrated to be the initial state;
the step S02 includes:
s0201: an operator holds the hand-held emergency stop device in a normal state, and the control module detects the state of a handle pressure detection device on the handle, including whether a pressure value is detected and the magnitude of the pressure value;
s0202: an operator holds the hand-held emergency stop device in a normal state and presses the switch to enable the hand-held emergency stop device to be in a trigger state, and the control module detects the state of a switch pressure detection device on the switch, wherein the state comprises whether a pressure value is detected, the magnitude of the pressure value and the trigger time from the beginning of detecting the pressure value to the trigger state;
s0203: recording the state of the handle pressure detection device on the control module detection handle at the moment, and marking the state as the state that the handle is normally held and the switch is normally triggered;
s0204: an operator lightly holds the handheld emergency stop device in a relaxed state, and the control module detects the state of a handle pressure detection device on the handle, including whether a pressure value is detected and the magnitude of the pressure value;
s0205: an operator lightly holds the handheld emergency stop device in a relaxed state, slowly presses the switch to enable the handheld emergency stop device to be in a switch triggering state, and the control module detects the state of a switch pressure detection device on the switch, wherein the state comprises whether a pressure value is detected, the size of the pressure value and the triggering time from the beginning of detecting the pressure value to the switch triggering state;
s0206: recording the state of the handle pressure detection device on the control module detection handle at the moment, and marking the state as the state that the handle is released to hold and the switch is slowly triggered;
s0207: an operator holds the hand-held emergency stop device in a tense state, and the control module detects the state of a handle pressure detection device on the handle, including whether a pressure value is detected and the magnitude of the pressure value;
s0208: an operator lightly holds the hand-held emergency stop device in a stressed state, and presses the switch suddenly to enable the hand-held emergency stop device to be in a switch triggering state, and the control module detects the state of a switch pressure detection device on the switch, wherein the state comprises whether a pressure value is detected, the size of the pressure value and the triggering time from the pressure value detection to the switch triggering state;
s0209: recording the state of the handle pressure detection device on the control module detection handle at the moment, and marking the state as the state that the handle is tense to hold and the switch is suddenly triggered;
s0210: establishing a reasonable pressure value interval in the holding state, a reasonable pressure value range interval in the switch triggering state and a trigger time interval in the switch triggering state according to the acquired pressure values and time values in the holding and switch triggering states acquired in the steps;
furthermore, the end points of the reasonable holding state pressure value interval are the maximum pressure value and the minimum pressure value of the holding pressure for normal holding, tension holding and relaxed holding; the reasonable holding state pressure value interval also comprises the number of handle pressure detection devices for detecting pressure during normal holding, tension holding and relaxed holding, and the end points of the interval are the maximum number and the minimum number of the handle pressure detection devices for detecting pressure; the end points of the reasonable range interval of the pressure values in the switch triggering state are the maximum pressing pressure value and the minimum pressing pressure value detected by the switch pressure detection device when the switch is in a normal triggering state, in a sudden triggering state and in a slow triggering state; the end points of the switch triggering state triggering time interval are the longest triggering time and the shortest triggering time detected by the switch pressure detection device in the process that the switch is in a normal triggering state, the switch is in a rapid triggering state and the switch is in a slow triggering state; the triggering time is the time interval from the beginning of pressure detection to the maximum pressure detection of the switch pressure detection device in one period from the non-triggering state to the triggering state of the switch;
further, the step S04 includes:
s041: detecting the state of a handle pressure detection device on the handle, wherein the state comprises whether a pressure value is detected and the magnitude of the pressure value; detecting the state of a switch pressure detection device on the switch, wherein the state comprises whether a pressure value is detected or not, the size of the pressure value and the time from the pressure value detection to the trigger state;
s042: comparing the number of the handle pressure detection devices with the detected pressure values with the reasonable range of the pressure values in the holding state with the pressure values detected by the handle pressure detection devices, wherein if the number and the pressure values are both in the reasonable range of the pressure values in the holding state, the number and the pressure values are normal, and if one data is not in the reasonable range, a signal indicating that the holding state is abnormal is sent; execution of S06;
s043: comparing the pressure value detected by the switch pressure detection device with the reasonable range interval of the pressure value in the switch trigger state, if the pressure value is in the reasonable range interval of the pressure value in the switch trigger state, the pressure value is normal, and if the pressure value is not in the reasonable range interval, S07 is executed; if the pressing force is smaller than the minimum value of the reasonable range interval of the pressure value in the switch trigger state, directly sending a signal of abnormal pressing state;
s044: comparing the trigger time with the trigger time interval of the switch trigger state, if the trigger time is in the trigger time interval of the switch trigger state, the operation is normal, and if the trigger time is not in the interval, the operation is executed S07; if the triggering time is greater than the maximum value of the triggering time interval of the switch triggering state, directly sending a signal of abnormal pressing state;
further, the step S05 includes:
s051: after a switch of the handheld emergency stop device is converted from an initial state to a switch triggering state, the equipment stops running;
s052: the handle pressure detection device of the handheld emergency stop device suddenly detects pressure, the pressure value is quickly increased and is larger than the maximum pressure in a reasonable interval of the pressure value in a holding state, the control module sends out a trigger signal, and the equipment stops running;
s053: when the switch pressure detection device of the handheld emergency stop device has pressure values detected at least three times within 10s and is close to the minimum value of the reasonable range interval of the switch trigger state pressure values, the control module sends out a trigger signal, and the equipment stops running;
further, the step S06 includes:
s061: if the number of the handle pressure detection devices with the pressure values detected in the step S042 is smaller than the minimum number of the reasonable pressure value intervals in the holding state, sending an abnormal prompt message that the handheld emergency stop device is possibly separated from the hand of the user;
s062: if the number of the handle pressure detection devices with the pressure values detected in the step S042 is larger than the maximum number of the reasonable pressure value intervals in the holding state, sending abnormal prompt information that the handheld emergency stop device is possibly wrapped by foreign matters or held in an abnormal posture, and the normal use is possibly influenced by the state;
s063: if the pressure value detected by the handle pressure detection device in the step S042 is smaller than the minimum pressure in the reasonable holding state pressure value interval, sending an abnormal prompt message that the handheld emergency stop device is possibly separated from the hand of the user;
s064: if the pressure value detected by the handle pressure detection device in the step S042 is greater than the maximum pressure in the reasonable interval of the pressure value in the holding state, the user can be in a tense state without holding the handle with great force, and the touch error is prevented! "abnormal prompt information;
s065: if the pressure value detected by the handle pressure detection device in the step S042 is smaller than the minimum pressure in the reasonable interval of the pressure value in the holding state and the detected conductive pressure value is in a fluctuation state for a long time, sending a signal that' the hand of the user shakes, please check, and prevent the hand-held emergency stop device from separating! "abnormal prompt information;
further, the step S07 includes:
s071: if the switch pressure detection device detects the pressure value in the S044 step for a long time and the detected pressure value is smaller than the minimum value of the reasonable range interval of the pressure value in the switch trigger state, sending a 'Do not press the switch for a long time' to prevent the error touch! "abnormal prompt information;
s072: if the switch pressure detection device detects the pressure value in the step S044 for a long time and the pressure value detected at least twice in the step S is close to the minimum value of the reasonable range interval of the pressure value in the switch trigger state, the pressure value is sent out, that the patient possibly has too small hand strength to normally press the switch and should immediately enter the trigger state! "abnormal prompt information;
s073: if the switch pressure detection device detects the pressure value in the step S044 for a long time, the detected pressure value is in a long-time fluctuation state, and the pressure value is smaller than the minimum value of the reasonable range interval of the pressure value in the switch trigger state, then the method sends out' the shaking of the hand of the user, please check, and prevent the error touch! "abnormal prompt information;
s074: after the abnormal prompt information in the steps S071, S072 and S073 is eliminated, the abnormal prompt information needs to be determined and then the display of the abnormal prompt information can be stopped;
s075: and if the abnormal prompt information in the steps S071, S072 and S073 is eliminated, the same abnormal prompt information appears again, the control module sends out a trigger signal, and the equipment stops running.
The invention provides a control method of a handheld emergency stop device, which comprises the following steps: s01: installing a handheld emergency stop device, and identifying and calibrating the initial state of the handheld emergency stop device; s02: an operator operates the hand-held emergency stop device in a normal state, and identifies and calibrates the holding and switch triggering states of the hand-held emergency stop device; s03: when the equipment runs, the handheld emergency stop device enters a use process; s04: detecting the state of the handheld emergency stop device, and comparing and judging the state with the holding state and the switch triggering state of the calibrated handheld emergency stop device; if the holding state is abnormal, executing S06; if the switch triggering state is abnormal, executing S07; s05: after the handheld sudden stop device is converted from the initial state to the trigger state of the switch, the equipment stops running; s06: sending out a holding state abnormal signal; s07: and recognizing and sending out a switch trigger state abnormal signal, and enabling the switch to enter a trigger state.
The design adopts the combined action of the control module and the manual switch to complete the realization of the emergency stop function, and the control device can directly send out a trigger signal according to the collected pressure information to control equipment to carry out emergency stop; or the emergency stop signal generated by pressing the switch by the user can be directly transmitted to the equipment to control the equipment to be in emergency stop; the control device can not interfere in normal scram switch triggering information transmission, can independently judge according to actual use conditions, directly sends out a triggering signal, controls equipment to stop running, and achieves the function of intelligently controlling scram.
This design increases pressure sensor in current scram device, monitors and pressure information acquisition through pressure sensor to the posture of gripping, the state of pressing in the user use to handle the information of gathering, and then accomplish the purpose that the auxiliary user used.
The autonomous trigger function of the control device adopted by the design can be used for setting conditions in a user-defined mode according to needs, and the set conditions are hand holding and pressing states of a user in the using process. The hand holding detection can detect the holding force and holding posture of the hand of a user, and the pressure sensor can detect whether the user falls off when holding the emergency stop device, so that the situation that the user cannot use the emergency stop switch in time when an emergency occurs is prevented; the physical condition and the emotional condition of the user when the user uses can be judged by the holding strength of the hand, the holding strength can be increased when the user is nervous, the holding strength can far exceed the normal state, if the holding strength of the user is increased at a high speed in a short time and far exceed the normal state, the user can be judged to be possibly in a dangerous state, and the control device can carry out autonomous triggering according to the set condition. The pressing state can detect the force state when the user presses the switch, when the switch is continuously pressed, if the fluctuation of the pressing force degree is not large, the user can be judged to be in the preparatory pressing state, and due to accidental mistaken touch in the state, a proper prompt signal can be sent for prompting; when the switch is continuously pressed and the pressing force fluctuates, the hand shaking of the user can be judged, or the hand strength of the user is reduced due to some reason, and at the moment, a proper prompt signal can be sent to prompt or directly carry out emergency stop operation. The above states can be achieved by autonomous information acquisition of the control device and autonomous judgment, the situation of the equipment in the using process is fully considered, the user can generate sudden hand shaking, hand twitching, hand strength loss and the like due to the action of the equipment, the situation can possibly cause abnormal injury to the user, the autonomous triggering function can actively identify the situation, active judgment is carried out after identification, and the situations of false triggering and non-triggering are prevented.
Drawings
FIG. 1 is a front view of a hand-held scram device of the present invention;
FIG. 2 is a left side view of a hand-held scram device of the present invention;
FIG. 3 is a right side view of a hand-held scram device of the present invention;
FIG. 4 is a perspective view of a hand-held emergency stop device according to the present invention;
FIG. 5 is a perspective view of a hand-held emergency stop device according to the present invention;
FIG. 6 is a system diagram of a hand-held emergency stop device according to the present invention;
FIG. 7 is a front view of a hand held scram device of the present invention;
FIG. 8 is a perspective view of a hand-held emergency stop device according to the present invention;
FIG. 9 is a system diagram of a hand-held emergency stop device according to the present invention;
fig. 10 is a main flowchart of a control method of a hand-held emergency stop device according to the present invention.
Detailed Description
Example 1:
referring to fig. 1-6, a hand-held emergency stop device includes a handle 1, a hand state detection device 2;
the handle 1 is cylindrical, and one end of the handle is provided with a connecting wire 101;
one side of the handle 1 is provided with a four-finger holding position 11, and the other side is provided with a hand holding position 12;
the four-finger holding position 11 is provided with four arc-shaped grooves, and the palm holding position 12 is a large arc-shaped protrusion;
an arc transition surface 13 is arranged between the four-finger holding position 11 and the palm holding position 12;
the hand state detection device 2 is arranged on the handle 1;
the hand state detection device 2 is used for detecting the motion state of the hand of the holding handle 1;
the hand state detection device 2 comprises a first detection unit 21 and a second detection unit 22;
the first detection unit 21 is arranged at the other end part of the handle 1;
the first detection unit 21 is a switch 211 arranged at the other end of the handle 1;
the second detection unit 22 is a handle pressure detection device 221 arranged on the surface of the handle 1;
the handle pressure detection device 221 is arranged on the four-finger holding position 11, the palm holding position 12 and the arc transition surface 13;
at least 1 handle pressure detection device 221 is arranged at the holding position of each finger of the four-finger holding position 11;
the palm holding position 12 and the arc transition surface 13 are at least provided with two handle pressure detection devices 221;
the handle pressure detection device 221 is a micro-pressure sensor, and the surface of the sensor is slightly higher than the surface of the handle 1;
the handle pressure detection device 221 is connected and communicated with the pressure information collection module 220;
the hand-held emergency stop device also comprises a control module 3;
the control module 3 is used for processing the information collected by the pressure information collecting module 220 and the state information of the switch;
the control module 3 processes the state information of the switch, the control module 3 is used for receiving the state information of the switch and sending the state information to equipment connected with the handheld emergency stop device, and the sent information comprises a triggered state and an un-triggered state of the switch;
the control module 3 is further configured to determine information collected by the pressure information collecting module 220, and when the triggering condition is met, the control module 3 automatically sends triggering information of the handheld emergency stop device to the device connected to the handheld emergency stop device.
When in use, an operator can hold the handle, the virtual handle and the normal handle under the condition of normal state; in the holding process, the pressure information collecting module 220 collects data of the handle pressure detecting devices 221 in each state, and records the data, wherein the data includes whether the pressure of each handle pressure detecting device 221 is detected or not and the range of the detected pressure value; and the pressure detection value in the state is marked and stored as a normal use state mark of an operator, and when the emergency stop device is used, the holding state of the user is detected in real time, whether the holding state of the user is abnormal or not is detected, and if the holding state of the user is abnormal, a proper method can be adopted for reminding or directly carrying out emergency stop operation.
Example 2:
referring to fig. 7-9, a hand-held emergency stop device includes a handle 1, a hand state detection device 2;
the handle 1 is cylindrical, and one end of the handle is provided with a connecting wire 101;
the hand state detection device 2 is arranged on the handle 1;
the hand state detection device 2 is used for detecting the motion state of the hand of the holding handle 1;
the hand state detection device 2 comprises a first detection unit 21 and a second detection unit 22;
the first detection unit 21 is arranged at the other end part of the handle 1;
the first detection unit 21 is a switch 211 arranged at the other end of the handle 1;
the switch 211 is a button switch;
the second detection unit 22 is a handle pressure detection device 221 arranged on the surface of the handle 1;
a plurality of handle pressure detection devices 221 are uniformly arranged on the surface of the handle 1, and two adjacent handle pressure detection devices 221 are not in direct contact;
the handle pressure detection device 221 is uniformly arranged on the surface of the handle 1;
a switch pressure detection device 222 is arranged on the surface of the button of the switch 211;
the handle pressure detection device 221 and the switch pressure detection device 222 are micro-pressure sensors;
the surface of the sensor of the handle pressure detection device 221 is slightly higher than the surface of the handle 1;
the handle pressure detection device 221, the switch pressure detection device 222 and the pressure information collection module 220 are connected and communicated with each other;
the hand-held emergency stop device also comprises a control module 3;
the control module 3 is used for processing the information collected by the pressure information collecting module 220 and the state information of the switch;
the control module 3 processes the state information of the switch, the control module 3 is used for receiving the state information of the switch and sending the state information to equipment connected with the handheld emergency stop device, and the sent information comprises a triggered state and an un-triggered state of the switch;
the control module 3 is further configured to determine information collected by the pressure information collecting module 220, and when the triggering condition is met, the control module 3 automatically sends triggering information of the handheld emergency stop device to the equipment connected to the handheld emergency stop device.
When in use, an operator can tightly hold the handle, the virtual handle and the normal handle under the normal state; in the holding process, the pressure information collecting module 220 collects data of the handle pressure detecting devices 221 in each state, and records the data, wherein the data includes whether the pressure of each handle pressure detecting device 221 is detected or not and the range of the detected pressure value; and the pressure detection value in the state is marked and stored as a normal use state mark of an operator, and when the emergency stop device is used, the holding state of the user is detected in real time, whether the holding state of the user is abnormal or not is detected, and if the holding state of the user is abnormal, a proper method can be adopted for reminding or directly carrying out emergency stop operation.
When a user performs a press switch operation, firstly, the operator performs the press switch operation under the condition of a normal state; in the pressing process, the pressure information collecting module 220 collects data of the switch pressure detecting device 222 on the switch and records the data, wherein the data comprises the pressure detection value of the switch pressure detecting device 222 in the initial state and the ending state of the pressing and the time of pressure change; when a user presses a press-down switch, real-time detection is carried out on the pressing pressure and the pressing time of the user; whether the user is abnormal in the pressing process is detected, if the user is abnormal in the hand operation, the user can be judged to be abnormal in the hand operation if the user can not close the switch after long time or multiple times of pressing, and the user can be reminded or directly perform emergency stop operation by adopting a proper method.
Example 3:
referring to fig. 10, a method for controlling a hand-held emergency stop device includes the following steps:
s01: installing a handheld emergency stop device, and identifying and calibrating the initial state of the handheld emergency stop device;
s02: an operator operates the hand-held emergency stop device in a normal state, and identifies and calibrates the holding and switch triggering states of the hand-held emergency stop device;
s03: when the equipment runs, the handheld emergency stop device enters a use process;
s04: detecting the state of the handheld emergency stop device, and comparing and judging the state with the holding state and the switch triggering state of the calibrated handheld emergency stop device; if the holding state is abnormal, executing S06; if the switch triggering state is abnormal, executing S07;
s05: after the handheld sudden stop device is converted from the initial state to the trigger state of the switch, the equipment stops running;
s06: sending out a holding state abnormal signal;
s07: identifying and sending out a switch trigger state abnormal signal, and enabling the switch to enter a trigger state;
the step S01 includes:
s011: identifying the state of the hand-held emergency stop device in an initial state, and if a switch 211 of the hand-held emergency stop device is in a trigger state, sending a state abnormal signal;
s012: identifying the states of each pressure detection device of the hand state detection device 2 in the initial state, including whether the pressure sensor is stressed or not and the stress magnitude, and if the pressure sensor is in the stressed state, sending out a state abnormal signal;
s013: after sending out the abnormal state signal, the user eliminates the abnormality and confirms that the current state is the normal state, and then the state is calibrated to be the initial state;
the step S02 includes:
s0201: an operator holds the hand-held emergency stop device in a normal state, and the control module 3 detects the state of the handle pressure detection device 221 on the handle 1, including whether a pressure value is detected and the magnitude of the pressure value;
s0202: an operator holds the hand-held emergency stop device in a normal state and presses the switch to enable the hand-held emergency stop device to be in a trigger state, and the control module 3 detects the state of the switch pressure detection device 222 on the switch, including whether a pressure value is detected, the magnitude of the pressure value and the trigger time from the beginning of detecting the pressure value to the trigger state;
s0203: recording the state of the handle pressure detection device 221 on the control module 3 detection handle 1 at the moment, and marking the state as the state that the handle is normally held and the switch is normally triggered;
s0204: when an operator lightly holds the handheld emergency stop device in a relaxed state, the control module 3 detects the state of the handle pressure detection device 221 on the handle 1, including whether a pressure value is detected or not and the magnitude of the pressure value;
s0205: when an operator lightly holds the handheld emergency stop device in a relaxed state, the switch is slowly pressed, so that the handheld emergency stop device is in a switch trigger state, and the control module 3 detects the state of a switch pressure detection device 222 on the switch, including whether a pressure value is detected, the magnitude of the pressure value and the trigger time from the beginning of detecting the pressure value to the switch trigger state;
s0206: recording the state of the handle pressure detection device 221 on the control module 3 detecting the handle 1 at this time, and marking the state as the state that the handle is released to hold and the switch is triggered slowly;
s0207: when an operator holds the hand-held emergency stop device in a stressed state, the control module 3 detects the state of the handle pressure detection device 221 on the handle 1, including whether a pressure value is detected or not and the magnitude of the pressure value;
s0208: when an operator lightly holds the hand-held emergency stop device in a stressed state, the switch is pressed suddenly to enable the hand-held emergency stop device to be in a switch triggering state, the control module 3 detects the state of a switch pressure detection device 222 on the switch, including whether a pressure value is detected, the magnitude of the pressure value and the triggering time from the beginning of detecting the pressure value to the switch triggering state;
s0209: recording the state of the handle pressure detection device 221 on the control module 3 detecting the handle 1 at the moment, and marking the state as the state that the handle is tense to hold and the switch is triggered suddenly;
s0210: establishing a reasonable pressure value interval in the holding state, a reasonable pressure value range interval in the switch triggering state and a trigger time interval in the switch triggering state according to the acquired pressure values and time values in the holding and switch triggering states acquired in the steps;
the end points of the reasonable holding state pressure value interval are the maximum pressure value and the minimum pressure value of the holding pressure for normal holding, tension holding and relaxation holding;
the reasonable holding state pressure value interval also comprises the number of the handle pressure detection devices 221 for detecting pressure during normal holding, tension holding and relaxed holding, and the end points of the interval are the maximum number and the minimum number of the handle pressure detection devices 221 for detecting pressure;
the endpoints of the reasonable range of the pressure value in the switch trigger state are the maximum pressing pressure value and the minimum pressing pressure value detected by the switch pressure detection device 222 when the switch is in a normal trigger state, in a sudden trigger state and in a slow trigger state;
the endpoints of the switch triggering state triggering time interval are the longest triggering time and the shortest triggering time detected by the switch pressure detection device 222 in the process that the switch is in a normal triggering state, the switch is in a rapid triggering state and the switch is in a slow triggering state;
the triggering time is the time interval from the beginning of the detection of the pressure to the detection of the maximum pressure by the switch pressure detection device 222 in one cycle from the non-triggered state to the triggered state of the switch;
the step S04 includes:
s041: detecting the state of a handle pressure detection device 221 on the handle 1, including whether a pressure value is detected or not and the magnitude of the pressure value; detecting the state of the switch pressure detection device 222 on the switch, including whether a pressure value is detected, the magnitude of the pressure value and the time from the detection of the pressure value to the trigger state;
s042: comparing the number of the handle pressure detection devices 221 which detect the pressure values with the pressure values detected by the handle pressure detection devices 221 and the reasonable interval of the holding state pressure values, wherein if the number and the pressure values are both in the reasonable interval of the holding state pressure values, the operation is normal, and if one data is not in the interval, a signal of abnormal holding state is sent; execution of S06;
s043: comparing the pressure value detected by the switch pressure detection device 222 with the switch trigger state pressure value reasonable range interval, if the pressure value is in the switch trigger state pressure value reasonable range interval, the pressure value is normal, and if the pressure value is not in the interval and the pressing force is smaller than the minimum value of the switch trigger state pressure value reasonable range interval, a pressing state abnormal signal is sent; execution of S07;
s044: comparing the trigger time with the trigger time interval of the trigger state of the switch, if the trigger time is in the trigger time interval of the trigger state of the switch, the trigger time is normal, and if the trigger time is not in the interval and is greater than the maximum value of the trigger time interval of the trigger state of the switch, a signal that the pressing state is abnormal is sent out; execution of S07;
the step S05 includes:
s051: after the switch 211 of the hand-held emergency stop device is converted from an initial state to a switch triggering state, the equipment stops running;
s052: the handle pressure detection device 221 of the handheld emergency stop device suddenly detects pressure, the pressure value is rapidly increased and is larger than the maximum pressure in a reasonable interval of the pressure value in the holding state, the control module 3 sends out a trigger signal, and the equipment stops running;
s053: when the switch pressure detection device 222 of the handheld emergency stop device detects that the pressure value is close to the minimum value of the reasonable range interval of the switch trigger state pressure value for at least three times within 10s, the control module 3 sends out a trigger signal, and the equipment stops running;
the step S06 includes:
s061: if the number of the handle pressure detection devices 221 which detect the pressure values in the step S042 is less than the minimum number of the reasonable pressure value intervals in the holding state, sending an abnormal prompt message that the handheld emergency stop device may be disengaged from the hand of the user;
s062: if the number of the handle pressure detection devices 221 which detect the pressure values in the step S042 is greater than the maximum number of the reasonable pressure value intervals in the holding state, sending an abnormal prompt message that the handheld emergency stop device is possibly wrapped by foreign matters or held in an abnormal posture, and the normal use of the handheld emergency stop device is possibly influenced by the state;
s063: if the pressure value detected by the handle pressure detection device 221 in the step S042 is smaller than the minimum pressure in the reasonable holding state pressure value interval, sending an abnormal prompt message that the handheld emergency stop device may be disengaged from the hand of the user;
s064: if the pressure value detected by the handle pressure detecting device 221 in step S042 is greater than the maximum pressure in the reasonable interval of the pressure value in the holding state, then "the user may be in a tense state, do not hold with great force, prevent from touching by mistake! "abnormal prompt information;
s065: if the pressure value detected by the handle pressure detection device 221 in the step S042 is smaller than the minimum pressure in the reasonable interval of the pressure value in the holding state and the conductive pressure value is detected to be in the fluctuation state for a long time, the method sends out "shaking of the hand of the user, please check, and prevent the hand-held emergency stop device from disengaging! "abnormal prompt information;
the step S07 includes:
s071: if the switch pressure detecting device 222 detects the pressure value in the step S044 for a long time and the detected pressure value is smaller than the minimum value of the reasonable range of the pressure value in the switch trigger state, then send out "do not press the switch for a long time, prevent the false touch! "abnormal prompt information;
s072: if the switch pressure detection device 222 detects the pressure value for a long time in step S044 and the detected pressure value at least twice in 10S is close to the minimum value of the reasonable range of the pressure value in the switch trigger state, then the method sends out "the patient may have too small hand strength to press the switch normally and should enter the trigger state immediately! "abnormal prompt information;
s073: if the switch pressure detection device 222 detects the pressure value for a long time in step S044, the detected pressure value is in a long-time fluctuation state, and the pressure value is smaller than the minimum value of the reasonable range interval of the pressure values in the switch trigger state, then "the user shakes his/her hand, please check, to prevent the false touch! "abnormal prompt information;
s074, after the abnormal prompt information in the steps S071, S072 and S073 is eliminated, the abnormal prompt information needs to be determined and then the display of the abnormal prompt information can be stopped;
s075: if the abnormal prompt information in the steps S071, S072 and S073 is eliminated, the same abnormal prompt information appears again, the control module 3 sends out a trigger signal, and the equipment stops running;
the determination method after the abnormal prompt message is eliminated may be a method of pressing a specific button or clicking a prompt message on a screen.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A control method of a hand-held emergency stop device is characterized in that: it comprises the following steps:
s01: installing a handheld emergency stop device, and identifying and calibrating the initial state of the handheld emergency stop device;
s02: an operator operates the hand-held emergency stop device in a normal state, and identifies and calibrates the holding and switch triggering states of the hand-held emergency stop device;
s03: when the equipment runs, the handheld emergency stop device enters a use process;
s04: detecting the state of the handheld emergency stop device, and comparing and judging the state with the holding state and the switch triggering state of the calibrated handheld emergency stop device; if the holding state is abnormal, executing S06; if the switch triggering state is abnormal, executing S07;
s05: after the handheld sudden stop device is converted from the initial state to the trigger state of the switch, the equipment stops running;
s06: sending out a holding state abnormal signal;
s07: identifying and sending out a switch trigger state abnormal signal, and enabling the switch to enter a trigger state;
the step S01 includes:
s011: identifying the state of the hand-held emergency stop device in an initial state, and sending a state abnormal signal if a switch (211) of the hand-held emergency stop device is in a trigger state;
s012: identifying the state of each pressure detection device of the hand state detection device (2) in the initial state, including whether the pressure sensor is stressed or not and the stress magnitude, and sending a state abnormal signal if the pressure sensor is in the stressed state;
s013: after sending out the abnormal state signal, the user eliminates the abnormality and confirms that the current state is the normal state, and then the state is calibrated to be the initial state;
the step S02 includes:
s0201: an operator holds the hand-held emergency stop device in a normal state, and the control module (3) detects the state of a handle pressure detection device (221) on the handle (1), including whether a pressure value is detected and the magnitude of the pressure value;
s0202: an operator holds the hand-held emergency stop device in a normal state and presses the switch to enable the hand-held emergency stop device to be in a trigger state, and the control module (3) detects the state of a switch pressure detection device (222) on the switch, wherein the state comprises whether a pressure value is detected or not, the magnitude of the pressure value and the trigger time from the beginning of detecting the pressure value to the trigger state;
s0203: recording the state of a handle pressure detection device (221) on the detection handle (1) of the control module (3) at the moment, and marking the state as the state that the handle is normally held and the switch is normally triggered;
s0204: when an operator lightly holds the handheld emergency stop device in a relaxed state, the control module (3) detects the state of a handle pressure detection device (221) on the handle (1), including whether a pressure value is detected or not and the magnitude of the pressure value;
s0205: an operator lightly holds the hand-held emergency stop device in a relaxation state, slowly presses the switch to enable the hand-held emergency stop device to be in a switch trigger state, and the control module (3) detects the state of a switch pressure detection device (222) on the switch, including whether a pressure value is detected, the size of the pressure value and the trigger time from the beginning of detection of the pressure value to the switch trigger state;
s0206: recording the state of a handle pressure detection device (221) on the detection handle (1) of the control module (3) at the moment, and marking the state as a state that the handle is loosened to hold and the switch is slowly triggered;
s0207: an operator holds the hand-held emergency stop device in a stressed state, and the control module (3) detects the state of a handle pressure detection device (221) on the handle (1), including whether a pressure value is detected and the magnitude of the pressure value;
s0208: an operator lightly holds the hand-held emergency stop device in a stressed state, and rapidly presses the switch to enable the hand-held emergency stop device to be in a switch triggering state, and the control module (3) detects the state of a switch pressure detection device (222) on the switch, including whether a pressure value is detected, the magnitude of the pressure value and the triggering time from the beginning of detecting the pressure value to the switch triggering state;
s0209: recording the state of a handle pressure detection device (221) on the detection handle (1) of the control module (3) at the moment, and marking the state as the state that the handle is tense to hold and the switch is suddenly triggered;
s0210: establishing a reasonable pressure value interval in the holding state, a reasonable pressure value range interval in the switch triggering state and a trigger time interval in the switch triggering state according to the acquired pressure values and time values in the holding and switch triggering states acquired in the steps;
the end points of the reasonable holding state pressure value interval are the maximum pressure value and the minimum pressure value of the holding pressure for normal holding, tension holding and relaxation holding; the reasonable holding state pressure value interval also comprises the number of handle pressure detection devices (221) for detecting pressure during normal holding, tension holding and relaxed holding, and the end points of the interval are the maximum number and the minimum number of the handle pressure detection devices (221) for detecting pressure; the endpoints of the reasonable range interval of the pressure values in the switch trigger state are the maximum pressing pressure value and the minimum pressing pressure value detected by the switch pressure detection device (222) when the switch is in a normal trigger state, a sudden trigger state and a slow trigger state; the end points of the switch triggering state triggering time interval are the longest triggering time and the shortest triggering time detected by the switch pressure detection device (222) in the processes of the normal triggering state of the switch, the sudden triggering state of the switch and the slow triggering state of the switch; the triggering time is the time interval from the beginning of pressure detection to the time of maximum pressure detection by the switch pressure detection device (222) in one cycle from the non-triggered state to the triggered state of the switch.
2. The control method of the hand-held emergency stop device according to claim 1, characterized in that: the step S04 includes:
s041: detecting the state of a handle pressure detection device (221) on the handle (1), including whether a pressure value is detected or not and the magnitude of the pressure value; detecting the state of a switch pressure detection device (222) on the switch, wherein the state comprises whether a pressure value is detected or not, the magnitude of the pressure value and the time from the beginning of detecting the pressure value to the triggering state;
s042: comparing the number of the handle pressure detection devices (221) which detect the pressure values with the pressure values detected by the handle pressure detection devices (221) and the reasonable interval of the holding state pressure values, wherein if the number and the pressure values are both in the reasonable interval of the holding state pressure values, the operation is normal, and if one data is not in the interval, a signal of abnormal holding state is sent; execution of S06;
s043: comparing the pressure value detected by the switch pressure detection device (222) with the switch trigger state pressure value reasonable range, if the pressure value is in the switch trigger state pressure value reasonable range, the pressure value is normal, and if the pressure value is not in the switch trigger state pressure value reasonable range, S07 is executed; if the pressing force is smaller than the minimum value of the reasonable range interval of the pressure value in the switch trigger state, directly sending a signal of abnormal pressing state;
s044: comparing the trigger time with the trigger time interval of the switch trigger state, if the trigger time is in the trigger time interval of the switch trigger state, the operation is normal, and if the trigger time is not in the interval, the operation is executed S07; and if the triggering time is greater than the maximum value of the triggering time interval of the switch triggering state, directly sending a signal of abnormal pressing state.
3. The control method of the hand-held emergency stop device according to claim 2, characterized in that: the step S05 includes:
s051: after a switch (211) of the hand-held type sudden stop device is converted from an initial state into a switch triggering state, the equipment stops running;
s052: a handle pressure detection device (221) of the handheld emergency stop device suddenly detects pressure, the pressure value is rapidly increased and is larger than the maximum pressure in a reasonable interval of the pressure value in a holding state, a control module (3) sends out a trigger signal, and the equipment stops running;
s053: when the switch pressure detection device (222) of the handheld emergency stop device detects that the pressure value is close to the minimum value of the reasonable range interval of the switch trigger state pressure value for at least three times within 10s, the control module (3) sends out a trigger signal, and the equipment stops running.
4. The control method of the hand-held emergency stop device according to claim 3, characterized in that: the step S06 includes:
s061: if the number of the handle pressure detection devices (221) with the pressure values detected in the step S042 is less than the minimum number of the reasonable pressure value intervals in the holding state, sending abnormal prompt information that the handheld emergency stop device is possibly separated from the hand of the user;
s062: if the number of the handle pressure detection devices (221) with the pressure values detected in the step S042 is larger than the maximum number of the reasonable pressure value intervals in the holding state, sending abnormal prompt information that the handheld emergency stop device is possibly wrapped by foreign matters or held in an abnormal posture, and the normal use of the handheld emergency stop device is possibly influenced by the state;
s063: if the pressure value detected by the handle pressure detection device (221) in the step S042 is smaller than the minimum pressure in the reasonable holding state pressure value interval, sending an abnormal prompt message that the handheld emergency stop device is possibly separated from the hand of the user;
s064: if the pressure value detected by the handle pressure detection device (221) in the step S042 is greater than the maximum pressure in the reasonable interval of the pressure value in the holding state, the user is sent out that the user is possibly in a tense state and does not need to hold the handle with great force, and the touch error is prevented! "abnormal prompt information;
s065: if the pressure value detected by the handle pressure detection device (221) in the step S042 is less than the minimum pressure in the reasonable interval of the pressure value in the holding state and the conductive pressure value is detected to be in a fluctuation state for a long time, a' shaking of the hand of the user, please check, and prevent the hand-held emergency stop device from being separated! "the abnormality indicates information.
5. The control method of the hand-held emergency stop device according to claim 4, wherein: the step S07 includes:
s071: if the switch pressure detection device (222) detects the pressure value in the step S044 for a long time and the detected pressure value is smaller than the minimum value of the reasonable range interval of the pressure value in the switch trigger state, sending a 'Do not press the switch for a long time' to prevent the false touch! "abnormal prompt information;
s072: if the switch pressure detection device (222) detects the pressure value in the step S044 for a long time and the pressure values detected at least twice in 10S are close to the minimum value of the reasonable range of the pressure value in the switch trigger state, the pressure value is sent out, that the hand strength of the patient is too small to normally press the switch and the patient should enter the trigger state immediately! "abnormal prompt information;
s073: if the switch pressure detection device (222) detects the pressure value in the step S044 for a long time, the detected pressure value is in a long-time fluctuation state, and the pressure value is smaller than the minimum value of the reasonable range interval of the pressure values in the switch trigger state, then the method sends out' shaking the hand of the user, please check, prevent the error touch! "abnormal prompt information;
s074: after the abnormal prompt information in the steps S071, S072 and S073 is eliminated, the abnormal prompt information needs to be determined and then the display of the abnormal prompt information can be stopped;
s075: if the abnormal prompt information in the steps S071, S072 and S073 is eliminated, the same abnormal prompt information appears again, the control module (3) sends out a trigger signal, and the equipment stops running.
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| US8034018B2 (en) * | 2007-12-20 | 2011-10-11 | Bausch & Lomb Incorporated | Surgical system having means for stopping vacuum pump |
| CN205542513U (en) * | 2016-03-23 | 2016-08-31 | 武汉洛芙科技股份有限公司 | Emergency stop button mechanism |
| CN108245375A (en) * | 2018-03-14 | 2018-07-06 | 郑州大学 | A kind of wire saws formula finger rehabilitation training device |
| CN109582178A (en) * | 2018-12-04 | 2019-04-05 | 芯海科技（深圳）股份有限公司 | Handheld terminal and its emergent alarm method |
| CN111796678A (en) * | 2020-06-16 | 2020-10-20 | 瑞声科技(新加坡)有限公司 | Interaction method, device and equipment based on tactile feedback and readable medium |
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