CN106081776B - The method, apparatus and system of elevator safety monitoring - Google Patents
The method, apparatus and system of elevator safety monitoring Download PDFInfo
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- CN106081776B CN106081776B CN201610705101.8A CN201610705101A CN106081776B CN 106081776 B CN106081776 B CN 106081776B CN 201610705101 A CN201610705101 A CN 201610705101A CN 106081776 B CN106081776 B CN 106081776B
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- target monitoring
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- electromagnetic radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
Abstract
The present invention relates to the method, apparatus and system of elevator safety monitoring.The method includes：It controls preset detection device and sends out electromagnetic radiation to the Target monitoring area of elevator, and receive the reflected electromagnetic radiation of object；The phase difference for calculating the electromagnetic radiation sent out and the electromagnetic radiation received, the depth information between presently described detection device and the object is obtained according to the phase difference；The depth information is compared with preset safety depth, judges whether the Target monitoring area occurs unsafe acts according to comparison result.The present invention can effectively detect whether passenger contacts, rests on Target monitoring area, and then convenient for carrying out dangerous emergency processing in time, prevent elevator accident.
Description
Technical field
The present invention relates to elevator technology fields, more particularly to the method, apparatus and system of elevator safety monitoring.
Background technology
Currently, elevator is widely used in people's lives, elevator safety also more seems important.In elevator lifting process
In or car door switch gate operational process in, usually have passenger and be close to, touch, rest on elevator door, or even also savate
Unsafe behavior such as elevator door, these behaviors are easy to cause the generation of elevator accident, and existing elevator and can not be directed to
These unsafe acts carry out any management and control, therefore there are larger security risks.
Invention content
Based on this, the embodiment of the present invention provides the method, apparatus and system of elevator safety monitoring, can effectively detect passenger
Unsafe acts and carry out corresponding elevator motion control.
The method that one aspect of the present invention provides elevator safety monitoring, including：
It controls preset detection device and sends out electromagnetic radiation to the Target monitoring area of elevator, and receive object and reflect
Electromagnetic radiation；
The phase difference for calculating the electromagnetic radiation sent out and the electromagnetic radiation received, current institute is obtained according to the phase difference
State the depth information between detection device and the object；
The depth information is compared with preset safety depth, the target monitoring area is judged according to comparison result
Whether domain occurs unsafe acts；
Wherein, the safety depth is：The detection device and the target monitoring when clear of Target monitoring area
Minimum-depth between region.
Another aspect of the present invention provides a kind of device of elevator safety monitoring, including：
Control module is received and dispatched, electromagnetic radiation is sent out to the Target monitoring area of elevator for controlling preset detection device,
Receive the reflected electromagnetic radiation of object；
Depth calculation module is detected, the phase difference of the electromagnetic radiation for calculating the electromagnetic radiation sent out and receiving, root
The depth information between presently described detection device and the object is obtained according to the phase difference；
Judgment module judges for being compared with preset safety depth the depth information according to comparison result
Whether the Target monitoring area occurs unsafe acts；
Wherein, the detection device and the target monitoring area when safety depth is Target monitoring area clear
Minimum-depth between domain.
Another aspect of the present invention also provides a kind of system of elevator safety monitoring, including elevator master control, further includes being set to
The detection device of car top, the detection device are connect with the elevator master control；
The detection device can send out and receive electromagnetic radiation；
The elevator master control can control the detection device and send out electromagnetic radiation to the Target monitoring area of elevator, and connect
Receive the reflected electromagnetic radiation of object；The phase difference for calculating the electromagnetic radiation sent out and the electromagnetic radiation received, according to institute
It states phase difference and obtains depth information between presently described detection device and the object；And it by the depth information and presets
Safety depth be compared, judge whether the Target monitoring area occurs unsafe acts according to comparison result；
Wherein, the safety depth is：The detection device and the target monitoring when clear of Target monitoring area
Minimum-depth between region.
Above-mentioned technical proposal sends out electromagnetic radiation by controlling preset detection device to the Target monitoring area of elevator,
And the reflected electromagnetic radiation of object is received, the phase difference based on the electromagnetic radiation sent out and the electromagnetic radiation received can be sentenced
Whether the disconnected Target monitoring area occurs unsafe acts.The present invention can effectively detect whether Target monitoring area in elevator is sent out
Raw unsafe acts prevent elevator accident convenient for carrying out dangerous emergency response in time.
Description of the drawings
Fig. 1 is the schematic flow chart for the method that the elevator safety of an embodiment monitors；
Fig. 2 is the schematic diagram of effective search coverage of the detection device in a preferred embodiment；
Fig. 3 is the schematic diagram that effective search coverage of detection device when unsafe acts does not occur；
Fig. 4 is the schematic diagram of effective search coverage of detection device when unsafe acts have occurred；
Emergency response schematic diagram when Fig. 5 is switch gate；
The schematic flow chart of method for safety monitoring during the door-opened elevator of mono- embodiments of Fig. 6；
The schematic flow chart of method for safety monitoring in the elevator door closing procedure of mono- embodiments of Fig. 7；
The schematic diagram of the device of the elevator safety monitoring of mono- embodiments of Fig. 8；
The schematic diagram of the system of the elevator safety monitoring of mono- embodiments of Fig. 9.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the schematic flow chart for the method that the elevator safety of an embodiment monitors；In this embodiment it is that with the party
Method is applied to illustrate for elevator master control, applies also for the controller being connect with elevator master control certainly.
As shown in Figure 1, the method for the elevator safety monitoring in the present embodiment includes step：
S11 controls preset detection device and sends out electromagnetic radiation to the Target monitoring area of elevator, and receives object reflection
Electromagnetic radiation back；
Preferably, the Target monitoring area is that (certainly, according to actual needs, the present invention program also may be used in car door region
For monitoring car side wall region).Preset detection device can be TOF (Time of Flight, flight time) detector, such as
Shown in Fig. 2, which is mounted on elevator car roof, search coverage is a rectangular pyramid in car space,
Shadow region, that is, search coverage 4 as shown in Figure 2.Since car and floor measurements are changeless, so TOF detector detects
To the background of depth information in car door region be changeless.
It is understood that the depth information can be understood as：The TOF detector and search coverage 4 internal reflection electricity
The distance between the point of magnetic radiation information；If in the case of without barrier, i.e., anti-in the described TOF detector and search coverage 4
The distance between each point information on the car door of radio magnetic radiation further includes anti-in the TOF detector and search coverage 4 certainly
The distance between each point information in the car floor of radio magnetic radiation.
S12 calculates the phase difference of the electromagnetic radiation sent out and the electromagnetic radiation received, is obtained and is worked as according to the phase difference
Depth information between the preceding detection device and the object；
In Fig. 2~Fig. 4, what label 1 indicated is at the top of gate doorframe, and what label 2 indicated is TOF sensor camera lens and car
Door spacing, the TOF detector device that label 3 indicates, the TOF search coverages that label 4 indicates, what label 5 indicated is car door, mark
6 mark of note is into and out a direction, and that label 7 indicates is passenger, and what label 8 indicated is car, and what label 9 indicated is elevator fortune
Line direction, what label 10 indicated is lifting traction machine, and what label 11 indicated is the controller for controlling elevator lifting, label 12
What is indicated is the controller for switch gate, and what label 13 indicated is the motor of the controller of switch gate, the Room that label 14 indicates
Door, the hall door doorframe top that label 15 indicates, the switch gate direction that label 16 indicates, the barrier that label 17 indicates, label 18
The spacing h1 of the barrier of mark and the side of car doorframe, what label 19 indicated be barrier and door-closing in-place vertical line (in
Between the case where closing the door) spacing h2.In conjunction with Fig. 2~Fig. 4, any one occurs to touch, leans on elevator on switch gate direction 16
The unsafe acts such as door and the processing of TOF detector are all similar.In order to facilitate the description of problem, Fig. 3, Fig. 4 signal
It is a two-dimensional section on gate-width direction.Fig. 3 indicates the search coverage of the TOF detector when gate completely closes, detecting area
Domain 4.1~4.3 indicates the area of space that TOF detector is able to detect that on inlet/outlet direction 6.It prevents from multiplying when being concerned with
When visitor touches, leans on the unsafe acts such as car door, search coverage 4.1 therein is the Target monitoring area of the present invention.
The depth information is compared S13 with preset safety depth, judges that the target is supervised according to comparison result
Survey whether region occurs unsafe acts；
As shown in figure 3, when being in the Target monitoring area without barrier, the detection device and each point on car door
Depth information between (the car door region of corresponding region 4.1) immobilizes, and the detection device and car door can be obtained
Between minimum-depth, as safety depth.As shown in figure 4, when there is barrier to be in the Target monitoring area 4.1,
Electromagnetic radiation is actually reflected by barrier, and the depth between the detection device and the barrier is deep certainly less than the safety
Degree.
During car door switch gate, the depth information of 4.1 corresponding image of region may be variation, when gate is complete
When contract fully, the depth information of this 4.1 corresponding image of time domain, which is minimum, can ensure safe value, thus can determine safety
Depth.The depth information that ought actually obtain is less than this minimum value, just illustrates in region 4.1 with the presence of barrier, without
Consider gate position.This minimum value can completely close in car door and when 4.1 clear of region, pass through and record first frame figure
As that can obtain.
If the depth information is less than safety depth, it is judged as having barrier to be in the Target monitoring area, it is described
Unsafe acts occur for Target monitoring area；If the depth information is equal to safety depth, it is judged as that no barrier is in
Unsafe acts do not occur for the Target monitoring area, the Target monitoring area.Further, which is passed to
Door machine controller 12 or elevator master control 11 can carry out corresponding emergency response according to the currently running different operating modes of elevator,
Including exporting preset prompt messages, control elevator stops lifting operation etc.；Thus the generation of elevator accident is avoided.Its
In, the door machine controller 12 is for controlling elevator opening-closing door, and the elevator master control 11 is for controlling elevator lifting and floor
Display etc..
There is barrier close to car door during opening the door and close the door for car door as a preferred embodiment
The method of situation, elevator safety monitoring of the present invention can be further detected, and be made according to testing result corresponding emergent
Response, specifically includes：
1) door opening process state, as shown in Figure 6.
S21, in the case of judging to there is barrier to be in the Target monitoring area, further obtain elevator it is current
Operating status；If being currently door opening process state, the barrier and car doorframe distance h1 are obtained；
It is understood that the case where opening the door from centre to both sides if car door, h1, that is, as shown in Figure 5；If car
The case where door moves downward enabling, h1 are then the distance for the doorframe (i.e. left side doorframe) that obstacle distance opens the door in place；If sedan-chair
Compartment door the case where moving right enabling, h1 are then that obstacle distance opens the door the distance of (doorframe on the right side of i.e.) in place.
Whether S22, the detection distance h1 are less than or equal to preset first distance threshold, if so, step S23 is executed, if
It is no, step S24 is executed, detects whether the distance h1 is less than or equal to preset second distance threshold value；
Step S23, control elevator execute preset first enabling emergency plan, terminate.
In the embodiment of the present invention, if the first enabling emergency plan, then controls elevator and stop door opening action, and export correspondence
Audio alert prompt；
Step S24, detects whether the distance h1 is less than or equal to preset second distance threshold value；The second distance threshold value
More than first distance threshold；If being less than or equal to preset second distance threshold value, step S25 is executed, otherwise, executes step
S26。
S25, control elevator execute preset second enabling emergency plan, terminate.
In the embodiment of the present invention, if the second enabling emergency plan, then controls elevator and slow down door opening action, and export correspondence
Audio alert prompt.
S26, control elevator execute preset third enabling emergency plan, terminate.
In the embodiment of the present invention, if third enabling emergency plan, then the door opening action of elevator is not changed, output is corresponding
Audio alert prompts, and elevator is used to avoid influencing passenger.
By above-mentioned enabling emergency plan, can prevent in door opening process, passenger leans against lift door frame side, cause clothing,
Hair etc. is involved in the accidents such as lift door frame by door opening action.
2) door closing procedure state, as shown in Figure 7.
S31, in the case of judging to there is barrier to be in the Target monitoring area, further obtain elevator it is current
Operating status；If being currently door closing procedure state, vertical line 20 when obtaining the barrier and car door door-closing in-place away from
From h2；
If car door by two lateral intermediate the case where closing the door, h2, that is, as shown in Figure 5；Shutdown is moved downward if car door
The case where, h2 is then the distance of the doorframe (i.e. left side doorframe) of obstacle distance door-closing in-place；Pass is moved right if car door
The case where door, h2 are then the distance of the doorframe (i.e. right side doorframe) of obstacle distance door-closing in-place.
Whether S32, the detection distance h2 are less than or equal to preset third distance threshold, if so, step S33 is executed, if
It is no, execute step S34；
Step S33, control elevator execute preset first shutdown emergency plan, terminate.
In the embodiment of the present invention, if the first shutdown emergency plan, then controls elevator and stop shutdown action, and export correspondence
Audio alert prompt；
Step S34, detects whether the distance h2 is less than or equal to preset 4th distance threshold；4th distance threshold
More than the third distance threshold；If being less than or equal to preset 4th distance threshold, step S35 is executed, otherwise, executes step
S36。
S35, control elevator execute preset second shutdown emergency plan, terminate.
In the embodiment of the present invention, if the second shutdown emergency plan, then controls elevator and slow down shutdown action, and export correspondence
Audio alert prompt.
S36, control elevator execute preset third shutdown emergency plan, terminate.
In the embodiment of the present invention, if third shutdown emergency plan, then the shutdown action of elevator is not changed, output is corresponding
Audio alert prompts, and elevator is used to avoid influencing passenger.
If in addition, in the case where judging to there is barrier to be in the Target monitoring area, determines that gate has been closed the door and arrive
Position, then forbid elevator lifting to run, and carry out phonic warning prompt, and the situation that barrier walks ladder is clipped to avoid gate.
It should be noted that for each method embodiment above-mentioned, describes, be all expressed as a series of for simplicity
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the described action sequence, because according to
According to the present invention, certain steps may be used other sequences or be carried out at the same time.
Based on thought identical with the method for elevator safety monitoring in above-described embodiment, the present invention also provides elevator safeties
The device of monitoring, the device can be used for executing the method for above-mentioned elevator safety monitoring.For convenience of description, elevator safety monitors
In the structural schematic diagram of device embodiment, illustrate only with the relevant part of the embodiment of the present invention, those skilled in the art can
To understand, it is illustrated that the restriction of structure not structure twin installation may include or combining certain than illustrating more or fewer components
A little components or different components arrangement.
Fig. 8 is the schematic diagram for the device that the elevator safety of one embodiment of the invention monitors, which can apply
In elevator master control or the controller being connect with elevator master control.As shown in figure 8, the device packet of the elevator safety monitoring of the present embodiment
It includes：Control module 310, detection depth calculation module 320 and judgment module 330 are received and dispatched, details are as follows for each module：
The transmitting-receiving control module 310 sends out electricity for controlling preset detection device to the Target monitoring area of elevator
Magnetic radiation receives the reflected electromagnetic radiation of object；
Preferably, the Target monitoring area is that (certainly, according to actual needs, the present invention program also may be used in car door region
For monitoring car side wall region).Preset detection device can be TOF (Time of Flight, flight time) detector.
The detection depth calculation module 320, the phase for calculating the electromagnetic radiation sent out and the electromagnetic radiation received
Potential difference obtains the depth information between presently described detection device and the object according to the phase difference；
In conjunction with attached drawing it is understood that depth information can be understood as：It is anti-in the TOF detector and search coverage 4
The distance between the point of radio magnetic radiation information；If in the case of without barrier, i.e., the described TOF detector and search coverage 4
The distance between each point information on the car door of internal reflection electromagnetic radiation further includes the TOF detector and search coverage 4 certainly
The distance between each point information in the car floor of internal reflection electromagnetic radiation.
The judgment module 330 is tied for being compared with preset safety depth the depth information according to comparing
Fruit judges whether the Target monitoring area occurs unsafe acts；
Wherein, the detection device and the target monitoring area when safety depth is Target monitoring area clear
Minimum-depth between domain.
Preferably, the device of the elevator safety monitoring further includes emergency response module (being not shown in Fig. 8), if being used for institute
It states Target monitoring area and unsafe acts occurs, then control the preset prompt messages of output；And/or control elevator stops
Lifting operation, and/or, control elevator stops or slows down opening-closing door process.
Further, the emergency response module may also include：
First emergency response unit, the current operating conditions for obtaining elevator obtain if being currently door opening process state
Take the barrier and car doorframe side distance h1；
Detect whether the distance h1 is less than or equal to preset first distance threshold, if so, control elevator execution is preset
First enabling emergency plan, if it is not, whether the detection distance h1 is less than or equal to preset second distance threshold value；Described second away from
It is more than first distance threshold from threshold value；If being less than or equal to second distance threshold value, control elevator executes preset second and opens the door
Emergency plan, otherwise, control elevator execute preset third enabling emergency plan.
And the second emergency response unit, the current operating conditions for obtaining elevator, if being currently door closing procedure shape
State then obtains vertical line distance h2 of the barrier with car door door-closing in-place when；
Detect whether the distance h2 is less than or equal to preset third distance threshold, if so, control elevator execution is preset
First shutdown emergency plan, if it is not, whether the detection distance h2 is less than or equal to preset 4th distance threshold, the described 4th away from
It is more than the third distance threshold from threshold value；If being less than or equal to the 4th distance threshold, control elevator executes preset second and closes the door
Emergency plan, otherwise, control elevator execute preset third shutdown emergency plan.
Fig. 9 is the schematic diagram for the system that the elevator safety of one embodiment of the invention monitors, as shown in figure 9, this reality
The system for applying the elevator safety monitoring of example includes elevator master control 101, further includes the detection device 102 for being set to car top, institute
Detection device 101 is stated to connect with the elevator master control 101.
Wherein, the detection device 102 can send out and receive electromagnetic radiation.Wherein, the elevator master control 101 can be controlled
It makes the detection device 102 and sends out electromagnetic radiation to the Target monitoring area of elevator, and receive the reflected electromagnetism spoke of object
It penetrates；The phase difference for calculating the electromagnetic radiation sent out and the electromagnetic radiation received, presently described spy is obtained according to the phase difference
Survey the depth information between device and the object；And the depth information is compared with preset safety depth, root
Judge whether the Target monitoring area occurs unsafe acts according to comparison result.In the embodiment of the present invention, the safety depth
For Target monitoring area clear when the detection device and the Target monitoring area between minimum-depth.
Preferably, the system of the elevator safety monitoring further includes connecting the door machine controller of elevator master control, to detect
After unsafe acts occur to the Target monitoring area, control elevator stops or slows down opening-closing door process.
It should be noted that in the embodiment of the device of the elevator safety monitoring of above-mentioned example, between each module/unit
The contents such as information exchange, implementation procedure, due to being based on same design, the technology brought with preceding method embodiment of the present invention
Effect is identical as preceding method embodiment of the present invention, and particular content can be found in the narration in the method for the present invention embodiment, herein not
It repeats again.
In addition, in the embodiment of the device of the elevator safety monitoring of above-mentioned example, the logical partitioning of each function module is only
It is the realization of the configuration requirement or software for example, can be as needed in practical application, such as corresponding hardware
It is convenient to consider, above-mentioned function distribution is completed by different function modules, i.e., the inside of the device monitored the elevator safety
Structure is divided into different function modules, to complete all or part of the functions described above.Wherein each function mould both can be with
It is realized, can also be realized in the form of software function module in the form of hardware.
It will appreciated by the skilled person that realizing all or part of flow in above-described embodiment method, being can
It is completed with instructing relevant hardware by computer program, the program can be stored in a computer-readable storage and be situated between
In matter, sells or use as independent product.Described program when being executed, can perform the complete of the embodiment such as above-mentioned each method
Portion or part steps.Wherein, the storage medium can be magnetic disc, CD, read-only memory (Read-Only
Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.It is appreciated that term " first ", " second " etc. are at this used in wherein
For distinguishing object in text, but these objects should not be limited by these terms.
Several embodiments of the invention above described embodiment only expresses, should not be understood as to the scope of the claims of the present invention
Limitation.It should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the premise,
Various modifications and improvements can be made, these are all within the scope of protection of the present invention.Therefore, the protection domain of patent of the present invention
It should be determined by the appended claims.
Claims (10)
1. a kind of method of elevator safety monitoring, which is characterized in that including：
It controls preset detection device and sends out electromagnetic radiation to the Target monitoring area of elevator, and receive the reflected electricity of object
Magnetic radiation；
The phase difference for calculating the electromagnetic radiation sent out and the electromagnetic radiation received show that the detection fills according to the phase difference
Set the depth information between the object；
The depth information is compared with preset safety depth, judges that the Target monitoring area is according to comparison result
No generation unsafe acts；
Wherein, the safety depth is：The detection device and the Target monitoring area when clear of Target monitoring area
Between minimum-depth.
2. the method for elevator safety monitoring according to claim 1, which is characterized in that the Target monitoring area is car
Door region or car side wall region.
3. the method for elevator safety monitoring according to claim 2, which is characterized in that judge the mesh according to comparison result
Mark that the step of whether monitoring region occurs unsafe acts includes：
If the depth information is less than safety depth, it is judged as having barrier to be in the Target monitoring area, the target
It monitors region and unsafe acts occurs；If the depth information is equal to safety depth, it is judged as that no barrier is in described
Unsafe acts do not occur for Target monitoring area, the Target monitoring area.
4. the method for elevator safety monitoring according to claim 3, which is characterized in that be judged as the Target monitoring area
Further include after the step of unsafe acts occur：
It controls warning device and exports preset prompt messages；
And/or control elevator stops lifting operation；
And/or control elevator stops or slows down opening-closing door process.
5. the method for elevator safety monitoring according to claim 3, which is characterized in that be judged as thering is barrier to be in described
Further include after the step of Target monitoring area, unsafe acts occur for the Target monitoring area：
The current operating conditions of elevator are obtained, if being currently door opening process state, obtain the barrier and car doorframe
Distance h1；
Detect whether the distance h1 is less than or equal to preset first distance threshold, if so, control elevator executes preset first
Enabling emergency plan, if it is not, whether the detection distance h1 is less than or equal to preset second distance threshold value；The second distance threshold
Value is more than first distance threshold；
If being less than or equal to second distance threshold value, control elevator executes preset second enabling emergency plan, and otherwise, control elevator is held
The preset third enabling emergency plan of row.
6. the method for elevator safety monitoring according to claim 5, which is characterized in that control elevator executes preset first
The step of enabling emergency plan of enabling emergency plan/second/third enabling emergency plan includes：
It if the first enabling emergency plan, then controls elevator and stops door opening action, and export corresponding audio alert prompt；
It if the second enabling emergency plan, then controls elevator and slows down door opening action, and export corresponding audio alert prompt；
If third enabling emergency plan, then do not change the door opening action of elevator, exports corresponding audio alert prompt.
7. the method for elevator safety monitoring according to claim 3, which is characterized in that be judged as thering is barrier to be in described
Further include after the step of Target monitoring area, unsafe acts occur for the Target monitoring area：
The current operating conditions of elevator are obtained, if being currently door closing procedure state, the barrier is obtained and closes the door with car door
The distance h2 of vertical line when in place；
Detect whether the distance h2 is less than or equal to preset third distance threshold, if so, control elevator executes preset first
Shutdown emergency plan, if it is not, whether the detection distance h2 is less than or equal to preset 4th distance threshold；Described 4th apart from threshold
Value is more than the third distance threshold；
If being less than or equal to the 4th distance threshold, control elevator executes preset second shutdown emergency plan, and otherwise, control elevator is held
The preset third shutdown emergency plan of row.
8. the method for elevator safety monitoring according to claim 7, which is characterized in that control elevator executes preset first
The shutdown emergency plan of shutdown emergency plan/second/third shutdown emergency plan step includes：
It if the first shutdown emergency plan, then controls elevator and stops shutdown action, and export corresponding audio alert prompt；
It if the second shutdown emergency plan, then controls elevator and slows down shutdown action, and export corresponding audio alert prompt；
If third shutdown emergency plan, then do not change the shutdown action of elevator, exports corresponding audio alert prompt.
9. a kind of device of elevator safety monitoring, which is characterized in that including：
Control module is received and dispatched, electromagnetic radiation is sent out to the Target monitoring area of elevator for controlling preset detection device, is received
The reflected electromagnetic radiation of object；
Depth calculation module is detected, the phase difference of the electromagnetic radiation for calculating the electromagnetic radiation sent out and receiving, according to institute
It states phase difference and obtains depth information between presently described detection device and the object；
Judgment module, for the depth information to be compared with preset safety depth, judged according to comparison result described in
Whether Target monitoring area occurs unsafe acts；
Wherein, the safety depth is：The detection device and the Target monitoring area when clear of Target monitoring area
Between minimum-depth.
10. a kind of system of elevator safety monitoring, including elevator master control, which is characterized in that further include being set to car top
Detection device, the detection device are connect with the elevator master control；
The detection device can send out and receive electromagnetic radiation；
The elevator master control can control the detection device and send out electromagnetic radiation to the Target monitoring area of elevator, and receive object
The reflected electromagnetic radiation of body；The phase difference for calculating the electromagnetic radiation sent out and the electromagnetic radiation received, according to the phase
Potential difference obtains the depth information between presently described detection device and the object；And by the depth information and preset peace
Full depth is compared, and judges whether the Target monitoring area occurs unsafe acts according to comparison result；
Wherein, when the safety depth is Target monitoring area clear the detection device and the Target monitoring area it
Between minimum-depth.
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| CN201610705101.8A CN106081776B (en) | 2016-08-22 | 2016-08-22 | The method, apparatus and system of elevator safety monitoring |
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| CN201610705101.8A CN106081776B (en) | 2016-08-22 | 2016-08-22 | The method, apparatus and system of elevator safety monitoring |
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| CN106081776B true CN106081776B (en) | 2018-09-21 |
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| CN106629292B (en) * | 2016-11-30 | 2019-06-21 | 日立楼宇技术（广州）有限公司 | Alarm method, device and the elevator of elevator |
| CN107065628A (en) * | 2017-06-02 | 2017-08-18 | 昆山锐芯微电子有限公司 | The control method of smart machine, apparatus and system, storage medium |
| CN107065627A (en) * | 2017-06-02 | 2017-08-18 | 昆山锐芯微电子有限公司 | The control method of smart machine, apparatus and system, storage medium |
| CN107285173B (en) * | 2017-07-13 | 2020-01-31 | 日立楼宇技术（广州）有限公司 | Elevator control method, device and system |
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