CN115372037B - Door opening and closing detection method and device and oscillating door body filtering - Google Patents

Door opening and closing detection method and device and oscillating door body filtering Download PDF

Info

Publication number
CN115372037B
CN115372037B CN202210931526.6A CN202210931526A CN115372037B CN 115372037 B CN115372037 B CN 115372037B CN 202210931526 A CN202210931526 A CN 202210931526A CN 115372037 B CN115372037 B CN 115372037B
Authority
CN
China
Prior art keywords
hall sensor
level change
preset
door
determining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210931526.6A
Other languages
Chinese (zh)
Other versions
CN115372037A (en
Inventor
王利攀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Zhongshe Kingtang Technology Co ltd
Original Assignee
Guangdong Zhongshe Kingtang Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Zhongshe Kingtang Technology Co ltd filed Critical Guangdong Zhongshe Kingtang Technology Co ltd
Priority to CN202210931526.6A priority Critical patent/CN115372037B/en
Publication of CN115372037A publication Critical patent/CN115372037A/en
Application granted granted Critical
Publication of CN115372037B publication Critical patent/CN115372037B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Abstract

The application discloses a door opening and closing detection method and device and a door body for filtering vibration, wherein the method comprises the following steps: acquiring level change parameters of the Hall sensor after acquiring sensing signals of the Hall sensor; if the level change parameter is within a preset parameter range value, acquiring a real-time level signal of the Hall sensor; and determining the open-close state of the door body based on the real-time level signal. According to the application, after the induction signal of the Hall sensor is received, the level change parameter of the Hall sensor in the preset time period is obtained, whether the induction signal is a false trigger signal or not is determined based on the level change parameter, and if the induction signal is not the false trigger signal, the real-time induction signal of the Hall sensor is collected to perform door opening and closing detection, so that the condition of triggering detection caused by vibration can be avoided, the influence of vibration is reduced, and the detection accuracy is improved.

Description

Door opening and closing detection method and device and oscillating door body filtering
Technical Field
The application relates to the technical field of door opening and closing detection, in particular to a door opening and closing detection method and device and a door body for filtering vibration.
Background
The door mainly refers to an industrial door, a telescopic door, a rotary door, a translation door, a vertical hinged door, a rolling door, a suspension door and the like. For example, retractable doors and large-sized sliding doors (made of iron or stainless steel) are applied to entrance/exit gates of enterprises, factories, communities and the like; revolving doors and light-duty sliding doors (sensing doors) are commonly used in entrances and exits of high-grade buildings such as hotels and commercial buildings.
Because the door can isolate the space and has the anti-theft function, the opening and closing state of the door needs to be detected to determine whether the door is closed or not. The detection method commonly used at present is a Hall sensor, in particular to a magnet is arranged on one side of a door, and the Hall sensor is arranged on the other side of the door. When the magnet approaches the Hall sensor to an effective range, the Hall sensor can generate high and low voltage changes, so that an electric signal is transmitted to a background detection system, and one-time opening and closing detection is completed.
However, the detection method commonly used at present has the following technical problems: when the door is opened and closed, the door body can generate different amplitude due to various conditions (such as collision of a user with the door body or collision of the door body with a door lock), particularly the door without an automatic locking function, the various amplitude can influence the induction of the Hall sensor, the Hall sensor can repeatedly obtain the high and low voltage values of opening and closing in a short time, and further a false triggering signal is generated, so that a detection system at the background can misjudge the opening and closing state of the door, and the detection accuracy is reduced.
Disclosure of Invention
The application provides a method and a device for detecting opening and closing of a door body and a door body for filtering oscillation, wherein the method can record the level change parameters of a Hall sensor after the induction signals of the Hall sensor are acquired, and the opening and closing states of the door body are determined by combining the level change parameters and real-time level signals of the Hall sensor, so that the influence of amplitude on the Hall sensor is eliminated, and the detection accuracy is improved.
A first aspect of an embodiment of the present application provides a method for detecting opening and closing of a door body, where the method includes:
acquiring level change parameters of the Hall sensor after acquiring sensing signals of the Hall sensor;
if the level change parameter is within a preset parameter range value, acquiring a real-time level signal of the Hall sensor;
and determining the open-close state of the door body based on the real-time level signal.
In a possible implementation manner of the first aspect, the acquiring a level change parameter of the hall sensor includes:
recording the duration time of the level change of the Hall sensor connection;
if the duration time is longer than the preset duration time, determining that the level change parameter is within a preset parameter range value;
and if the duration is smaller than the preset duration, determining that the level change parameter is not in the preset parameter range value.
In a possible implementation manner of the first aspect, the acquiring a level change parameter of the hall sensor includes:
recording the oscillation times of the connection of the Hall sensor;
if the oscillation times are smaller than the preset times, determining that the level change parameters are in a preset parameter range value;
if the oscillation times are greater than the preset times, determining that the level change parameter is not in the preset parameter range value.
A second aspect of an embodiment of the present application provides an opening/closing detection apparatus for a door body, the apparatus including:
the acquisition module is used for acquiring the level change parameters of the Hall sensor after acquiring the induction signals of the Hall sensor;
the acquisition module is used for acquiring real-time level signals of the Hall sensor if the level change parameter is within a preset parameter range value;
and the determining module is used for determining the opening and closing states of the door body based on the real-time level signals.
In a possible implementation manner of the second aspect, the obtaining module is further configured to:
recording the duration time of the level change of the Hall sensor connection;
if the duration time is longer than the preset duration time, determining that the level change parameter is within a preset parameter range value;
and if the duration is smaller than the preset duration, determining that the level change parameter is not in the preset parameter range value.
In a possible implementation manner of the second aspect, the obtaining module is further configured to:
recording the oscillation times of the connection of the Hall sensor;
if the oscillation times are smaller than the preset times, determining that the level change parameters are in a preset parameter range value;
if the oscillation times are greater than the preset times, determining that the level change parameter is not in the preset parameter range value.
A third aspect of the embodiments of the present application provides a door body for filtering oscillation, where the door body is suitable for a method for detecting opening and closing of a door body as described above, and the door body includes: a door frame and a main door;
the door frame is equipped with detecting element, the main door is equipped with magnet, detecting element with magnet sets up on same horizontal line, just detecting element with be equipped with the detection clearance in the middle of the magnet.
In a possible implementation manner of the third aspect, the detecting unit includes: the detection device comprises a detection frame, a Hall sensor and an upper computer, wherein the Hall sensor and the upper computer are arranged in the detection frame, and the Hall sensor is connected with the upper computer.
Compared with the prior art, the method and the device for detecting the opening and closing of the door body and the door body for filtering oscillation provided by the embodiment of the application have the beneficial effects that: according to the application, after the induction signal of the Hall sensor is received, the level change parameter of the Hall sensor in the preset time period is obtained, whether the induction signal is a false trigger signal or not is determined based on the level change parameter, and if the induction signal is not the false trigger signal, the real-time induction signal of the Hall sensor is collected to perform door opening and closing detection, so that the condition of triggering detection caused by vibration can be avoided, the influence of vibration is reduced, and the detection accuracy is improved.
Drawings
Fig. 1 is a schematic flow chart of a method for detecting opening and closing of a door according to an embodiment of the present application;
FIG. 2 is a flowchart illustrating an operation of a method for detecting opening and closing of a door according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a door opening/closing detection device according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a door for filtering oscillations according to an embodiment of the present application;
FIG. 5 is a schematic diagram illustrating detection of a vibrating gate according to an embodiment of the present application;
in the figure: door frame 1, main door 2, detecting element 3, magnet 4.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Because the door can isolate the space and has the anti-theft function, the opening and closing state of the door needs to be detected to determine whether the door is closed or not. The detection method commonly used at present is a Hall sensor, in particular to a magnet is arranged on one side of a door, and the Hall sensor is arranged on the other side of the door. When the magnet approaches the Hall sensor to an effective range, the Hall sensor can generate high and low voltage changes, so that an electric signal is transmitted to a background detection system, and one-time opening and closing detection is completed.
However, the detection method commonly used at present has the following technical problems: when the door is opened and closed, the door body can generate different amplitude due to various conditions (such as collision of a user with the door body or collision of the door body with a door lock), particularly the door without an automatic locking function, the various amplitude can influence the induction of the Hall sensor, the Hall sensor can repeatedly obtain the high and low voltage values of opening and closing in a short time, and further a false triggering signal is generated, so that a detection system at the background can misjudge the opening and closing state of the door, and the detection accuracy is reduced.
In order to solve the above-mentioned problems, a method for detecting opening and closing of a door body according to the present application will be described and illustrated in detail by the following specific embodiments.
Referring to fig. 1, a flow chart of a method for detecting opening and closing of a door according to an embodiment of the application is shown.
The method can be applied to a control system of the door body, the system can be arranged on the door, and a management background of a house can also be arranged and can be used for controlling the opening or closing of the door.
The method for detecting opening and closing of the door body may include:
s11, acquiring level change parameters of the Hall sensor after acquiring sensing signals of the Hall sensor.
Specifically, the hall sensor can be arranged on the door body, and the induction signal of the door body can be acquired through the hall sensor.
In an embodiment, the level change parameter may be a level change value or a number of level changes or a duration of the level change of the hall sensor, or the like.
And S12, if the level change parameter is within a preset parameter range value, acquiring a real-time level signal of the Hall sensor.
In one embodiment, the door body is detected based on the level change parameter, and it is determined whether the sensing signal is a false triggering sensing signal or a sensing signal generated by a user opening and closing the door.
Through the verification of the level change parameters, the situation that the door body is opened and closed due to false triggering can be avoided, and the accuracy of detecting the opened and closed state can be improved.
In an alternative embodiment, the level change parameter may be the duration of the level change, wherein step S12 may comprise the following sub-steps, as an example:
and S21, recording the duration time of the level change of the Hall sensor connection.
Specifically, after the sensing signal of the hall sensor is obtained, the duration of the level change of the hall sensor can be counted to obtain the duration.
S22, if the duration time is longer than the preset duration time, determining that the level change parameter is within a preset parameter range value.
S23, if the duration is smaller than the preset duration, determining that the level change parameter is not in the preset parameter range value.
When the duration time is longer than the preset duration time, the level change parameter can be determined to be within a preset parameter range value, and the induction signal is possibly an induction signal generated by the opening or closing of a door of a user; when the duration is smaller than the preset duration, it can be determined that the level change parameter is not within the preset parameter range, and the sensing signal may be a sensing signal generated by triggering the hall sensor due to oscillation.
It should be noted that the preset duration may be duration of adjustable oscillation filtering for an actual application scenario.
In an alternative embodiment, the level change parameter may be the number of oscillations of the hall sensor, wherein step S12 may comprise the following sub-steps, as an example:
s31, recording the oscillation times of the connection of the Hall sensor.
Specifically, after the sensing signal of the hall sensor is obtained, the number of times that the hall sensor continuously generates level change in a preset time can be counted, so as to obtain the oscillation times.
S32, if the oscillation times are smaller than the preset times, determining that the level change parameters are in the preset parameter range values.
And S33, if the oscillation times are greater than the preset times, determining that the level change parameter is not in the preset parameter range value.
When the oscillation frequency is smaller than the preset frequency, the level change parameter can be determined to be in a preset parameter range value, and the induction signal is possibly an induction signal generated by the opening or closing of a door of a user; when the oscillation frequency is greater than the preset frequency, it can be determined that the level change parameter is not within the preset parameter range value, and the induction signal may be an induction signal generated by triggering the hall sensor due to the oscillation.
S13, determining the open-close state of the door body based on the real-time level signal.
In one embodiment, the real-time level signal may be a real-time sense signal of a hall sensor.
Specifically, if the level change parameter is determined to be within the preset parameter range value, a real-time sensing signal of the hall sensor can be obtained, and whether the door body is in an open state or a closed state is determined based on the real-time sensing signal.
Referring to fig. 2, an operation flowchart of a door opening/closing detection method according to an embodiment of the present application is shown.
Specifically, after receiving the sensing signal of the hall sensor, the hall sensor is not immediately triggered by action, but is checked by a time slice in a short time, after entering the stage of the time slice, the hall sensor is monitored for stability, the level change in the period is recorded, after the time slice is completed, the level state of the hall sensor is read again, the final level state is judged and recorded, and the subsequent logic judgment is carried out according to the result to determine whether the door body is opened or closed.
In this embodiment, the embodiment of the present application provides a method for detecting opening and closing of a door body, which has the following beneficial effects: according to the application, after the induction signal of the Hall sensor is received, the level change parameter of the Hall sensor in the preset time period is obtained, whether the induction signal is a false trigger signal or not is determined based on the level change parameter, and if the induction signal is not the false trigger signal, the real-time induction signal of the Hall sensor is collected to perform door opening and closing detection, so that the condition of triggering detection caused by vibration can be avoided, the influence of vibration is reduced, and the detection accuracy is improved.
The embodiment of the application also provides a door opening and closing detection device, and referring to fig. 3, a schematic structural diagram of the door opening and closing detection device according to an embodiment of the application is shown.
The door opening/closing detection device may include, for example:
the acquisition module 301 is configured to acquire a level change parameter of the hall sensor after acquiring an induction signal of the hall sensor;
the acquisition module 302 is configured to acquire a real-time level signal of the hall sensor if the level variation parameter is within a preset parameter range value;
and the determining module 303 is used for determining the open-close state of the door body based on the real-time level signal.
Optionally, the acquiring module is further configured to:
recording the duration time of the level change of the Hall sensor connection;
if the duration time is longer than the preset duration time, determining that the level change parameter is within a preset parameter range value;
and if the duration is smaller than the preset duration, determining that the level change parameter is not in the preset parameter range value.
Optionally, the acquiring module is further configured to:
recording the oscillation times of the connection of the Hall sensor;
if the oscillation times are smaller than the preset times, determining that the level change parameters are in a preset parameter range value;
if the oscillation times are greater than the preset times, determining that the level change parameter is not in the preset parameter range value.
The embodiment of the application also provides a door body device for filtering vibration, and referring to fig. 4, a schematic structural diagram of a door body for filtering vibration is shown.
The door body is suitable for the method for detecting opening and closing of a door body according to the above embodiment, wherein, as an example, the filtering the oscillating door body may include: a door frame 1 and a main door 2;
the door frame 1 is equipped with detecting element 3, main door 2 is equipped with magnet 4, detecting element 3 with magnet 4 sets up on same horizontal line, just detecting element 3 with be equipped with the detection clearance in the middle of the magnet 4.
Optionally, detect frame, hall sensor and host computer, hall sensor with the host computer sets up detect in the frame, hall sensor with the host computer is connected.
Referring to fig. 5, a schematic diagram of detecting a door body for filtering oscillation according to an embodiment of the present application is shown.
In one embodiment, the magnet 4 is far from the hall sensor or is not in the range sensed by the hall sensor, and the hall sensor level will not change, so that the whole system considers the physical device to be in an "on" state.
If the magnet 4 enters the sensing range of the Hall sensor, the Hall sensor is switched between high and low levels, so that the system considers that the physical device is in an off state.
If the magnet 4 enters the induction range of the Hall sensor, the magnetic field starts to act, and the magnet can be sensed by the Hall sensor after reaching a certain strength.
When the magnet 4 enters the induction range of the Hall sensor, the Hall sensor generates high-low level switching, and transmits the change state of the level to the upper computer for processing through the IO channel, if the magnetic device repeatedly enters and leaves the induction range in a short time, the Hall sensor sequentially transmits the high-low voltage change generated in the process to the upper computer.
After the upper computer (usually a singlechip) receives the level change at the IO port, the upper computer enters a time slice state, and in the time slice range, the level change of the Hall sensor is monitored and recorded in real time, and the subsequent logic judgment and processing are not performed before the time slice is completed, so that the situation that the magnetic device repeatedly leaves and enters to cause the intensive state change to cause the subsequent logic confusion due to the misjudgment of the system is prevented.
And carrying out subsequent logic processing according to the high-low level state of the Hall sensor, wherein the logic processing is required to be accurate and error-free and prevent triggering errors.
It will be clearly understood by those skilled in the art that, for convenience and brevity, the specific working process of the apparatus described above may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
Further, an embodiment of the present application further provides an electronic device, including: the door opening and closing detection method according to the above embodiment is implemented by a memory, a processor, and a computer program stored in the memory and executable on the processor when the processor executes the program.
Further, an embodiment of the present application also provides a computer-readable storage medium storing a computer-executable program for causing a computer to execute the door opening/closing detection method according to the above embodiment.
While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the application, such changes and modifications are also intended to be within the scope of the application.

Claims (4)

1. A method for detecting opening and closing of a door body, the method being applied to the door body, the door body comprising: a door frame and a main door;
the door frame is equipped with detecting element, the main door is equipped with magnet, detecting element with magnet sets up on same horizontal line, just detecting element with be equipped with the detection clearance in the middle of the magnet, detecting element includes: the detection device comprises a detection frame, a Hall sensor and an upper computer, wherein the Hall sensor and the upper computer are arranged in the detection frame, and the Hall sensor is connected with the upper computer;
the method comprises the following steps:
acquiring level change parameters of the Hall sensor after acquiring sensing signals of the Hall sensor;
if the level change parameter is within a preset parameter range value, acquiring a real-time level signal of the Hall sensor;
determining an open-close state of the door body based on the real-time level signal;
the obtaining the level change parameter of the hall sensor comprises the following steps:
recording the duration time of the level change of the Hall sensor connection;
if the duration time is longer than the preset duration time, determining that the level change parameter is within a preset parameter range value;
if the duration is smaller than the preset duration, determining that the level change parameter is not in the preset parameter range value;
or alternatively;
the obtaining the level change parameter of the hall sensor comprises the following steps:
recording the oscillation times of the connection of the Hall sensor;
if the oscillation times are smaller than the preset times, determining that the level change parameters are in a preset parameter range value;
if the oscillation times are greater than the preset times, determining that the level change parameter is not in the preset parameter range value.
2. An opening and closing detection device for a door body, the device being adapted to the door body comprising: a door frame and a main door;
the door frame is equipped with detecting element, the main door is equipped with magnet, detecting element with magnet sets up on same horizontal line, just detecting element with be equipped with the detection clearance in the middle of the magnet, detecting element includes: the detection device comprises a detection frame, a Hall sensor and an upper computer, wherein the Hall sensor and the upper computer are arranged in the detection frame, and the Hall sensor is connected with the upper computer;
the device comprises:
the acquisition module is used for acquiring the level change parameters of the Hall sensor after acquiring the induction signals of the Hall sensor;
the acquisition module is used for acquiring real-time level signals of the Hall sensor if the level change parameter is within a preset parameter range value;
the determining module is used for determining the opening and closing states of the door body based on the real-time level signals;
the acquisition module is further configured to:
recording the duration time of the level change of the Hall sensor connection;
if the duration time is longer than the preset duration time, determining that the level change parameter is within a preset parameter range value;
if the duration is smaller than the preset duration, determining that the level change parameter is not in the preset parameter range value;
or alternatively;
the acquisition module is further configured to:
recording the oscillation times of the connection of the Hall sensor;
if the oscillation times are smaller than the preset times, determining that the level change parameters are in a preset parameter range value;
if the oscillation times are greater than the preset times, determining that the level change parameter is not in the preset parameter range value.
3. An electronic device, comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the door opening/closing detection method according to claim 1 when executing the program.
4. A computer-readable storage medium storing a computer-executable program for causing a computer to execute the door opening/closing detection method according to claim 1.
CN202210931526.6A 2022-08-04 2022-08-04 Door opening and closing detection method and device and oscillating door body filtering Active CN115372037B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210931526.6A CN115372037B (en) 2022-08-04 2022-08-04 Door opening and closing detection method and device and oscillating door body filtering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210931526.6A CN115372037B (en) 2022-08-04 2022-08-04 Door opening and closing detection method and device and oscillating door body filtering

Publications (2)

Publication Number Publication Date
CN115372037A CN115372037A (en) 2022-11-22
CN115372037B true CN115372037B (en) 2023-11-21

Family

ID=84064307

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210931526.6A Active CN115372037B (en) 2022-08-04 2022-08-04 Door opening and closing detection method and device and oscillating door body filtering

Country Status (1)

Country Link
CN (1) CN115372037B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104442919A (en) * 2014-12-18 2015-03-25 西南交通大学 Locomotive-passing trigger control system
CN110439413A (en) * 2019-08-12 2019-11-12 北京经纬恒润科技有限公司 A kind of anti-clip control method and device
CN212245798U (en) * 2020-04-28 2020-12-29 优利德科技(中国)股份有限公司 Detection apparatus for lift-cabin door state
CN113936941A (en) * 2021-09-10 2022-01-14 华为数字能源技术有限公司 Switching device and power distribution system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104442919A (en) * 2014-12-18 2015-03-25 西南交通大学 Locomotive-passing trigger control system
CN110439413A (en) * 2019-08-12 2019-11-12 北京经纬恒润科技有限公司 A kind of anti-clip control method and device
CN212245798U (en) * 2020-04-28 2020-12-29 优利德科技(中国)股份有限公司 Detection apparatus for lift-cabin door state
CN113936941A (en) * 2021-09-10 2022-01-14 华为数字能源技术有限公司 Switching device and power distribution system

Also Published As

Publication number Publication date
CN115372037A (en) 2022-11-22

Similar Documents

Publication Publication Date Title
US10613519B2 (en) Method for controlling a sliding door arrangement of a motor vehicle
KR101802363B1 (en) Method for determining spurious contacts on a motor vehicle door handle contact detection sensor
EP3211613B1 (en) Door and window contact system and method that include a mems accelerometer and a mems magnetometer
US11295586B2 (en) Determining when a break-in attempt is in process
EP2663706A1 (en) Door lock including sensor
JP2007510134A (en) Magnetic collision detection method
US20180051479A1 (en) Apparatus for detecting the position of window handles or door handles based on the sensing of magnetic fields, and operating method for it
CN115372037B (en) Door opening and closing detection method and device and oscillating door body filtering
CN106778924A (en) Door and window condition detection method and device
CN111577059B (en) Door switch detection system based on digital gyroscope
CN109778485B (en) Control method and system for clothes processing device
CN105913524B (en) Visit people's sensitivity and protected cabin door electronic system and implementation method by the ATM of acoustic control
CN109695125A (en) A kind of washing machine drum door motion detection method and take clothing reminding method, system
EP2605223B1 (en) An alarm system and a method for detecting intrusion in a structure by means of acoustic emission
US11430324B2 (en) Controlling operational state of a sensor device for break-in detection
CN105913035B (en) The ATM machine protection cabin door electronic system and its implementation of people are visited based on more spaces
CN211594668U (en) Online data acquisition control device for elevator transportation quality measurement
CN112227876B (en) Microwave inductor-based automatic opening and closing control method, device and system for vertical hinged door
CN114183015B (en) Door and window opening and closing state judgment method and system, storage medium and electronic equipment
CN112596693A (en) Method for removing jitter of knob type volume encoder and storage medium
CN111648689A (en) Anti-pinch control method and control device for automatic door and automatic door
EP4320531A1 (en) Finding faults in firmware for a lock device
CN117765636A (en) Control method and related device of intelligent door lock
CN116065325A (en) Method and device for intelligently controlling door opening angle, washing machine and medium
CN109706860A (en) The anti-escape bill system of subway gate and method based on capacitance sensor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant